keycloak-aplcache

Merge pull request #183 from ssilvert/subsystem-clean KEYCLOAK-274

1/30/2014 1:49:50 PM

Changes

pom.xml 42(+38 -4)

subsystem/pom.xml 115(+115 -0)

Details

diff --git a/distribution/modules/src/main/resources/modules/org/keycloak/keycloak-subsystem/main/module.xml b/distribution/modules/src/main/resources/modules/org/keycloak/keycloak-subsystem/main/module.xml
new file mode 100644
index 0000000..06e1229
--- /dev/null
+++ b/distribution/modules/src/main/resources/modules/org/keycloak/keycloak-subsystem/main/module.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!--
+  ~ JBoss, Home of Professional Open Source.
+  ~ Copyright 2010, Red Hat, Inc., and individual contributors
+  ~ as indicated by the @author tags. See the copyright.txt file in the
+  ~ distribution for a full listing of individual contributors.
+  ~
+  ~ This is free software; you can redistribute it and/or modify it
+  ~ under the terms of the GNU Lesser General Public License as
+  ~ published by the Free Software Foundation; either version 2.1 of
+  ~ the License, or (at your option) any later version.
+  ~
+  ~ This software is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  ~ Lesser General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU Lesser General Public
+  ~ License along with this software; if not, write to the Free
+  ~ Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+  ~ 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+  -->
+
+<module xmlns="urn:jboss:module:1.1" name="org.keycloak.keycloak-subsystem">
+    <resources>
+        <!-- Insert resources here -->
+    </resources>
+
+    <dependencies>
+        <module name="javax.api"/>
+        <module name="org.jboss.staxmapper"/>
+        <module name="org.jboss.as.controller"/>
+        <module name="org.jboss.as.server"/>
+        <module name="org.jboss.modules"/>
+        <module name="org.jboss.msc"/>
+        <module name="org.jboss.logging"/>
+        <module name="org.jboss.vfs"/>
+        <module name="org.jboss.as.web-common"/>
+        <module name="org.jboss.metadata"/>
+    </dependencies>
+</module>
diff --git a/integration/undertow/src/main/java/org/keycloak/adapters/undertow/KeycloakServletExtension.java b/integration/undertow/src/main/java/org/keycloak/adapters/undertow/KeycloakServletExtension.java
index 52eb239..6be2346 100755
--- a/integration/undertow/src/main/java/org/keycloak/adapters/undertow/KeycloakServletExtension.java
+++ b/integration/undertow/src/main/java/org/keycloak/adapters/undertow/KeycloakServletExtension.java
@@ -11,6 +11,7 @@ import io.undertow.servlet.api.AuthMethodConfig;
 import io.undertow.servlet.api.DeploymentInfo;
 import io.undertow.servlet.api.LoginConfig;
 import io.undertow.servlet.api.ServletSessionConfig;
+import java.io.ByteArrayInputStream;
 import org.jboss.logging.Logger;
 import org.keycloak.adapters.config.RealmConfiguration;
 import org.keycloak.representations.adapters.config.AdapterConfig;
@@ -25,6 +26,11 @@ import java.util.Map;
  * @version $Revision: 1 $
  */
 public class KeycloakServletExtension implements ServletExtension {
+    // This param name is defined again in Keycloak Subsystem class
+    // org.keycloak.subsystem.extensionKeycloakAdapterConfigDeploymentProcessor.  We have this value in
+    // two places to avoid dependency between Keycloak Subsystem and Keyclaok Undertow Integration.
+    public static final String AUTH_DATA_PARAM_NAME = "org.keycloak.json.adapterConfig";
+
     protected Logger log = Logger.getLogger(KeycloakServletExtension.class);
 
     // todo when this DeploymentInfo method of the same name is fixed.
@@ -40,6 +46,13 @@ public class KeycloakServletExtension implements ServletExtension {
         return false;
     }
 
+    private InputStream getJSONFromServletContext(ServletContext servletContext) {
+        String json = servletContext.getInitParameter(AUTH_DATA_PARAM_NAME);
+        if (json == null) {
+            return null;
+        }
+        return new ByteArrayInputStream(json.getBytes());
+    }
 
     @Override
     public void handleDeployment(DeploymentInfo deploymentInfo, ServletContext servletContext) {
@@ -49,7 +62,10 @@ public class KeycloakServletExtension implements ServletExtension {
         }
         log.info("KeycloakServletException initialization");
         InputStream is = servletContext.getResourceAsStream("/WEB-INF/keycloak.json");
-        if (is == null) throw new RuntimeException("Unable to find /WEB-INF/keycloak.json configuration file");
+        if (is == null) {
+            is = getJSONFromServletContext(servletContext);
+        }
+        if (is == null) throw new RuntimeException("Unable to find realm config in /WEB-INF/keycloak.json or in keycloak subsystem.");
         RealmConfigurationLoader loader = new RealmConfigurationLoader(is);
         loader.init(true);
         AdapterConfig keycloakConfig = loader.getAdapterConfig();

pom.xml 42(+38 -4)

diff --git a/pom.xml b/pom.xml
index 4b94094..533f92f 100755
--- a/pom.xml
+++ b/pom.xml
@@ -18,6 +18,7 @@
         <picketlink.version>2.5.0.Beta6</picketlink.version>
         <mongo.driver.version>2.11.2</mongo.driver.version>
         <jboss.logging.version>3.1.1.GA</jboss.logging.version>
+        <jboss-logging-tools.version>1.2.0.Beta1</jboss-logging-tools.version>
         <hibernate.javax.persistence.version>1.0.1.Final</hibernate.javax.persistence.version>
         <hibernate.entitymanager.version>4.0.1.Final</hibernate.entitymanager.version>
         <h2.version>1.3.161</h2.version>
@@ -87,6 +88,7 @@
         <module>examples</module>
         <module>testsuite</module>
         <module>server</module>
+        <module>subsystem</module>
     </modules>
 
     <dependencyManagement>
@@ -252,7 +254,7 @@
                 <artifactId>json</artifactId>
                 <version>${json.version}</version>
             </dependency>
-            
+
             <!-- Google+ -->
             <dependency>
                 <groupId>com.google.http-client</groupId>
@@ -264,14 +266,14 @@
                 <artifactId>google-api-services-oauth2</artifactId>
                 <version>v2-rev35-1.14.1-beta</version>
             </dependency>
-            
+
             <!-- Twitter -->
             <dependency>
                 <groupId>org.twitter4j</groupId>
                 <artifactId>twitter4j-core</artifactId>
                 <version>3.0.5</version>
             </dependency>
-			
+
 			<!-- QR Code Generator -->
             <dependency>
       			<groupId>com.google.zxing</groupId>
@@ -283,7 +285,7 @@
       			<artifactId>javase</artifactId>
       			<version>2.2</version>
 			</dependency>
-						
+
 			<!-- Email Test Servers -->
 			<dependency>
     			<groupId>com.icegreen</groupId>
@@ -340,6 +342,38 @@
                 <version>${keycloak.apache.httpcomponents.version}</version>
             </dependency>
              -->
+            <dependency>
+                <groupId>org.wildfly</groupId>
+                <artifactId>wildfly-controller</artifactId>
+                <version>${wildfly.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.wildfly</groupId>
+                <artifactId>wildfly-server</artifactId>
+                <version>${wildfly.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.wildfly</groupId>
+                <artifactId>wildfly-ee</artifactId>
+                <version>${wildfly.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.wildfly</groupId>
+                <artifactId>wildfly-subsystem-test</artifactId>
+                <version>${wildfly.version}</version>
+                <type>pom</type>
+                <scope>test</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.wildfly</groupId>
+                <artifactId>wildfly-undertow</artifactId>
+                <version>${wildfly.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.jboss.logging</groupId>
+                <artifactId>jboss-logging-processor</artifactId>
+                <version>${jboss-logging-tools.version}</version>
+            </dependency>
         </dependencies>
     </dependencyManagement>
 

subsystem/pom.xml 115(+115 -0)

diff --git a/subsystem/pom.xml b/subsystem/pom.xml
new file mode 100644
index 0000000..d976b17
--- /dev/null
+++ b/subsystem/pom.xml
@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+~ Copyright 2013 JBoss Inc
+~
+~ Licensed under the Apache License, Version 2.0 (the "License");
+~ you may not use this file except in compliance with the License.
+~ You may obtain a copy of the License at
+~
+~       http://www.apache.org/licenses/LICENSE-2.0
+~
+~ Unless required by applicable law or agreed to in writing, software
+~ distributed under the License is distributed on an "AS IS" BASIS,
+~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+~ See the License for the specific language governing permissions and
+~ limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.keycloak</groupId>
+        <artifactId>keycloak-parent</artifactId>
+        <version>1.0-alpha-2-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.keycloak</groupId>
+    <artifactId>keycloak-subsystem</artifactId>
+    <version>1.0-alpha-2-SNAPSHOT</version>
+
+    <name>Keycloak Subsystem</name>
+
+    <packaging>jar</packaging>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.1</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>2.8.1</version>
+                <configuration>
+                    <redirectTestOutputToFile>false</redirectTestOutputToFile>
+                    <enableAssertions>true</enableAssertions>
+                    <argLine>-Xmx512m</argLine>
+                    <systemProperties>
+                        <property>
+                            <name>jboss.home</name>
+                            <value>${jboss.home}</value>
+                        </property>
+                    </systemProperties>
+                    <includes>
+                        <include>**/*TestCase.java</include>
+                    </includes>
+                    <forkMode>once</forkMode>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.wildfly</groupId>
+            <artifactId>wildfly-controller</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wildfly</groupId>
+            <artifactId>wildfly-server</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wildfly</groupId>
+            <artifactId>wildfly-ee</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.wildfly</groupId>
+            <artifactId>wildfly-undertow</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging-annotations</artifactId>
+            <version>${jboss-logging-tools.version}</version>
+            <!-- This is a compile-time dependency of this project, but is not needed at compile or runtime by other
+            projects that depend on this project.-->
+            <scope>provided</scope>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jboss.logging</groupId>
+            <artifactId>jboss-logging-processor</artifactId>
+            <!-- This is a compile-time dependency of this project, but is not needed at compile or runtime by other
+            projects that depend on this project.-->
+            <scope>provided</scope>
+            <optional>true</optional>
+        </dependency>
+
+        <dependency>
+            <groupId>org.wildfly</groupId>
+            <artifactId>wildfly-subsystem-test</artifactId>
+            <type>pom</type>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialAddHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialAddHandler.java
new file mode 100644
index 0000000..ea14dfb
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialAddHandler.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.List;
+import org.jboss.as.controller.AbstractAddStepHandler;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.as.controller.ServiceVerificationHandler;
+import org.jboss.dmr.ModelNode;
+import org.jboss.msc.service.ServiceController;
+
+/**
+ * Add a credential to a deployment.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2014 Red Hat Inc.
+ */
+public class CredentialAddHandler extends AbstractAddStepHandler {
+
+    public CredentialAddHandler(AttributeDefinition... attributes) {
+        super(attributes);
+    }
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.addCredential(operation, model);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialDefinition.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialDefinition.java
new file mode 100644
index 0000000..9ae3abd
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialDefinition.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.ModelOnlyWriteAttributeHandler;
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
+import org.jboss.as.controller.SimpleResourceDefinition;
+import org.jboss.as.controller.operations.common.GenericSubsystemDescribeHandler;
+import org.jboss.as.controller.operations.validation.StringLengthValidator;
+import org.jboss.as.controller.registry.ManagementResourceRegistration;
+import org.jboss.dmr.ModelType;
+
+/**
+ * Defines attributes and operations for a credential.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class CredentialDefinition extends SimpleResourceDefinition {
+
+    public static final String TAG_NAME = "credential";
+
+    protected static final AttributeDefinition VALUE =
+            new SimpleAttributeDefinitionBuilder("value", ModelType.STRING, false)
+            .setXmlName("value")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, false, true))
+            .build();
+
+    public CredentialDefinition() {
+        super(PathElement.pathElement(TAG_NAME),
+                KeycloakExtension.getResourceDescriptionResolver(TAG_NAME),
+                new CredentialAddHandler(VALUE),
+                CredentialRemoveHandler.INSTANCE);
+    }
+
+    @Override
+    public void registerOperations(ManagementResourceRegistration resourceRegistration) {
+        super.registerOperations(resourceRegistration);
+        resourceRegistration.registerOperationHandler(GenericSubsystemDescribeHandler.DEFINITION, GenericSubsystemDescribeHandler.INSTANCE);
+    }
+
+    @Override
+    public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
+        super.registerAttributes(resourceRegistration);
+        resourceRegistration.registerReadWriteAttribute(VALUE, null, new CredentialReadWriteAttributeHandler());
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialReadWriteAttributeHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialReadWriteAttributeHandler.java
new file mode 100644
index 0000000..6289ff4
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialReadWriteAttributeHandler.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.AbstractWriteAttributeHandler;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.dmr.ModelNode;
+
+/**
+ * Update a credential value.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2014 Red Hat Inc.
+ */
+public class CredentialReadWriteAttributeHandler extends AbstractWriteAttributeHandler<KeycloakAdapterConfigService> {
+
+    @Override
+    protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
+                                           ModelNode resolvedValue, ModelNode currentValue, AbstractWriteAttributeHandler.HandbackHolder<KeycloakAdapterConfigService> hh) throws OperationFailedException {
+
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.updateCredential(operation, attributeName, resolvedValue);
+
+        hh.setHandback(ckService);
+
+        return false;
+    }
+
+    @Override
+    protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
+                                         ModelNode valueToRestore, ModelNode valueToRevert, KeycloakAdapterConfigService ckService) throws OperationFailedException {
+        ckService.updateCredential(operation, attributeName, valueToRestore);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialRemoveHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialRemoveHandler.java
new file mode 100644
index 0000000..9d1d698
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/CredentialRemoveHandler.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.AbstractRemoveStepHandler;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.dmr.ModelNode;
+
+/**
+ * Remove a credential from a deployment.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2014 Red Hat Inc.
+ */
+public class CredentialRemoveHandler extends AbstractRemoveStepHandler {
+
+    public static CredentialRemoveHandler INSTANCE = new CredentialRemoveHandler();
+
+    private CredentialRemoveHandler() {}
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.removeCredential(operation);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakAdapterConfigDeploymentProcessor.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakAdapterConfigDeploymentProcessor.java
new file mode 100644
index 0000000..40eb086
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakAdapterConfigDeploymentProcessor.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.jboss.as.server.deployment.DeploymentPhaseContext;
+import org.jboss.as.server.deployment.DeploymentUnit;
+import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
+import org.jboss.as.server.deployment.DeploymentUnitProcessor;
+import org.jboss.as.server.deployment.Phase;
+import org.jboss.as.web.common.WarMetaData;
+import org.jboss.metadata.javaee.spec.ParamValueMetaData;
+import org.jboss.metadata.web.jboss.JBossWebMetaData;
+
+/**
+ * Pass authentication data (keycloak.json) as a servlet context param so it can be read by the KeycloakServletExtension.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2014 Red Hat Inc.
+ */
+public class KeycloakAdapterConfigDeploymentProcessor implements DeploymentUnitProcessor {
+    // This param name is defined again in Keycloak Undertow Integration class
+    // org.keycloak.adapters.undertow.KeycloakServletExtension.  We have this value in
+    // two places to avoid dependency between Keycloak Subsystem and Keyclaok Undertow Integration.
+    public static final String AUTH_DATA_PARAM_NAME = "org.keycloak.json.adapterConfig";
+
+    public static final Phase PHASE = Phase.INSTALL;
+    // Seems wise to have this run after INSTALL_WAR_DEPLOYMENT
+    public static final int PRIORITY = Phase.INSTALL_WAR_DEPLOYMENT + 1;
+
+    @Override
+    public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
+        DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
+        String deploymentName = deploymentUnit.getName();
+
+        KeycloakAdapterConfigService service = KeycloakAdapterConfigService.find(phaseContext.getServiceRegistry());
+        if (service.isKeycloakDeployment(deploymentName)) {
+            addKeycloakAuthData(phaseContext, deploymentName, service);
+        }
+    }
+
+    private void addKeycloakAuthData(DeploymentPhaseContext phaseContext, String deploymentName, KeycloakAdapterConfigService service) {
+        DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
+        WarMetaData warMetaData = deploymentUnit.getAttachment(WarMetaData.ATTACHMENT_KEY);
+
+        addJSONData(service.getJSON(deploymentName), warMetaData);
+        //addJSONData(getJSON(), warMetaData);
+    }
+
+    // TODO: remove this.
+    private String getJSON() {
+        return "{\n" +
+"  \"realm\": \"demo\",\n" +
+"  \"realm-public-key\": \"MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrVrCuTtArbgaZzL1hvh0xtL5mc7o0NqPVnYXkLvgcwiC3BjLGw1tGEGoJaXDuSaRllobm53JBhjx33UNv+5z/UMG4kytBWxheNVKnL6GgqlNabMaFfPLPCF8kAgKnsi79NMo+n6KnSY8YeUmec/p2vjO2NjsSAVcWEQMVhJ31LwIDAQAB\",\n" +
+"  \"auth-server-url\": \"http://localhost:8080/auth\",\n" +
+"  \"ssl-not-required\": true,\n" +
+"  \"resource\": \"customer-portal-subsys\",\n" +
+"  \"credentials\": {\n" +
+"    \"password\": \"password\"\n" +
+"  },\n" +
+"  \"use-resource-role-mappings\": false,\n" +
+"  \"enable-cors\": false,\n" +
+"  \"cors-max-age\": -1,\n" +
+"  \"expose-token\": false,\n" +
+"  \"bearer-only\": false\n" +
+"}";
+    }
+
+    private void addJSONData(String json, WarMetaData warMetaData) {
+        JBossWebMetaData webMetaData = warMetaData.getMergedJBossWebMetaData();
+        if (webMetaData == null) {
+            webMetaData = new JBossWebMetaData();
+            warMetaData.setMergedJBossWebMetaData(webMetaData);
+        }
+
+        List<ParamValueMetaData> contextParams = webMetaData.getContextParams();
+        if (contextParams == null) {
+            contextParams = new ArrayList<ParamValueMetaData>();
+        }
+
+        ParamValueMetaData param = new ParamValueMetaData();
+        param.setParamName(AUTH_DATA_PARAM_NAME);
+        param.setParamValue(json);
+        contextParams.add(param);
+
+        webMetaData.setContextParams(contextParams);
+    }
+
+    @Override
+    public void undeploy(DeploymentUnit du) {
+
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakAdapterConfigService.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakAdapterConfigService.java
new file mode 100644
index 0000000..a39fe26
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakAdapterConfigService.java
@@ -0,0 +1,204 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.HashMap;
+import java.util.Map;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.dmr.ModelNode;
+import org.jboss.dmr.Property;
+import org.jboss.msc.service.Service;
+import org.jboss.msc.service.ServiceController;
+import org.jboss.msc.service.ServiceName;
+import org.jboss.msc.service.ServiceRegistry;
+import org.jboss.msc.service.StartContext;
+import org.jboss.msc.service.StartException;
+import org.jboss.msc.service.StopContext;
+
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADDRESS;
+
+/**
+ * This service keeps track of the entire Keycloak management model so as to provide
+ * adapter configuration to each deployment at deploy time.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class KeycloakAdapterConfigService implements Service<KeycloakAdapterConfigService> {
+    private static final String CREDENTIALS_JSON_NAME = "credentials";
+
+    // Right now this is used as a service, but I'm not sure it really needs to be implemented that way.
+    // It's also a singleton serving the entire subsystem, but the INSTANCE variable is currently only
+    // used during initialization of the subsystem.
+    public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("KeycloakAdapterConfigService");
+    public static final KeycloakAdapterConfigService INSTANCE = new KeycloakAdapterConfigService();
+
+    private Map<String, ModelNode> realms = new HashMap<String, ModelNode>();
+    private Map<String, ModelNode> deployments = new HashMap<String, ModelNode>();
+
+    private KeycloakAdapterConfigService() {
+
+    }
+
+    @Override
+    public void start(StartContext sc) throws StartException {
+
+    }
+
+    @Override
+    public void stop(StopContext sc) {
+
+    }
+
+    @Override
+    public KeycloakAdapterConfigService getValue() throws IllegalStateException, IllegalArgumentException {
+        return this;
+    }
+
+    public void addRealm(ModelNode operation, ModelNode model) {
+        this.realms.put(realmNameFromOp(operation), model.clone());
+    }
+
+    public void updateRealm(ModelNode operation, String attrName, ModelNode resolvedValue) {
+        ModelNode realm = this.realms.get(realmNameFromOp(operation));
+        realm.get(attrName).set(resolvedValue);
+    }
+
+    public void removeRealm(ModelNode operation) {
+        this.realms.remove(realmNameFromOp(operation));
+    }
+
+    public void addSecureDeployment(ModelNode operation, ModelNode model) {
+        ModelNode deployment = model.clone();
+        deployment.get(RealmDefinition.TAG_NAME).set(realmNameFromOp(operation));
+        this.deployments.put(deploymentNameFromOp(operation), deployment);
+    }
+
+    public void updateSecureDeployment(ModelNode operation, String attrName, ModelNode resolvedValue) {
+        ModelNode deployment = this.deployments.get(deploymentNameFromOp(operation));
+        deployment.get(attrName).set(resolvedValue);
+    }
+
+    public void removeSecureDeployment(ModelNode operation) {
+        this.deployments.remove(deploymentNameFromOp(operation));
+    }
+
+    public void addCredential(ModelNode operation, ModelNode model) {
+        ModelNode credentials = credentialsFromOp(operation);
+        if (!credentials.isDefined()) {
+            credentials = new ModelNode();
+        }
+
+        String credentialName = credentialNameFromOp(operation);
+        credentials.get(credentialName).set(model.get("value").asString());
+
+        ModelNode deployment = this.deployments.get(deploymentNameFromOp(operation));
+        deployment.get(CREDENTIALS_JSON_NAME).set(credentials);
+    }
+
+    public void removeCredential(ModelNode operation) {
+        ModelNode credentials = credentialsFromOp(operation);
+        if (!credentials.isDefined()) {
+            throw new RuntimeException("Can not remove credential.  No credential defined for deployment in op " + operation.toString());
+        }
+
+        String credentialName = credentialNameFromOp(operation);
+        credentials.remove(credentialName);
+    }
+
+    public void updateCredential(ModelNode operation, String attrName, ModelNode resolvedValue) {
+        ModelNode credentials = credentialsFromOp(operation);
+        if (!credentials.isDefined()) {
+            throw new RuntimeException("Can not update credential.  No credential defined for deployment in op " + operation.toString());
+        }
+
+        String credentialName = credentialNameFromOp(operation);
+        credentials.get(credentialName).set(resolvedValue);
+    }
+
+    private ModelNode credentialsFromOp(ModelNode operation) {
+        ModelNode deployment = this.deployments.get(deploymentNameFromOp(operation));
+        return deployment.get(CREDENTIALS_JSON_NAME);
+    }
+
+    private String realmNameFromOp(ModelNode operation) {
+        return valueFromOpAddress(RealmDefinition.TAG_NAME, operation);
+    }
+
+    private String deploymentNameFromOp(ModelNode operation) {
+        return valueFromOpAddress(SecureDeploymentDefinition.TAG_NAME, operation);
+    }
+
+    private String credentialNameFromOp(ModelNode operation) {
+        return valueFromOpAddress(CredentialDefinition.TAG_NAME, operation);
+    }
+
+    private String valueFromOpAddress(String addrElement, ModelNode operation) {
+        String deploymentName = getValueOfAddrElement(operation.get(ADDRESS), addrElement);
+        if (deploymentName == null) throw new RuntimeException("Can't find '" + addrElement + "' in address " + operation.toString());
+        return deploymentName;
+    }
+
+    private String getValueOfAddrElement(ModelNode address, String elementName) {
+        for (ModelNode element : address.asList()) {
+            if (element.has(elementName)) return element.get(elementName).asString();
+        }
+
+        return null;
+    }
+
+    public String getJSON(String deploymentName) {
+        ModelNode deployment = this.deployments.get(deploymentName);
+        String realmName = deployment.get(RealmDefinition.TAG_NAME).asString();
+        ModelNode realm = this.realms.get(realmName);
+
+        ModelNode json = new ModelNode();
+        json.get(RealmDefinition.TAG_NAME).set(realmName);
+
+        // Realm values set first.  Some can be overridden by deployment values.
+        setJSONValues(json, realm);
+        setJSONValues(json, deployment);
+        return json.toJSONString(true);
+    }
+
+    private void setJSONValues(ModelNode json, ModelNode values) {
+        for (Property prop : values.asPropertyList()) {
+            String name = prop.getName();
+            ModelNode value = prop.getValue();
+            if (value.isDefined()) {
+                json.get(name).set(value);
+            }
+        }
+    }
+
+    public boolean isKeycloakDeployment(String deploymentName) {
+        return this.deployments.containsKey(deploymentName);
+    }
+
+    static KeycloakAdapterConfigService find(ServiceRegistry registry) {
+        ServiceController<?> container = registry.getService(KeycloakAdapterConfigService.SERVICE_NAME);
+        if (container != null) {
+            KeycloakAdapterConfigService service = (KeycloakAdapterConfigService)container.getValue();
+            return service;
+        }
+        return null;
+    }
+
+    static KeycloakAdapterConfigService find(OperationContext context) {
+        return find(context.getServiceRegistry(true));
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakDependencyProcessor.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakDependencyProcessor.java
new file mode 100644
index 0000000..eb885b0
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakDependencyProcessor.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.server.deployment.Attachments;
+import org.jboss.as.server.deployment.DeploymentPhaseContext;
+import org.jboss.as.server.deployment.DeploymentUnit;
+import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
+import org.jboss.as.server.deployment.DeploymentUnitProcessor;
+import org.jboss.as.server.deployment.module.ModuleDependency;
+import org.jboss.as.server.deployment.module.ModuleSpecification;
+import org.jboss.modules.Module;
+import org.jboss.modules.ModuleIdentifier;
+import org.jboss.modules.ModuleLoader;
+
+/**
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class KeycloakDependencyProcessor implements DeploymentUnitProcessor {
+
+    private static final ModuleIdentifier KEYCLOAK_UNDERTOW_ADAPTER = ModuleIdentifier.create("org.keycloak.keycloak-undertow-adapter");
+    private static final ModuleIdentifier KEYCLOAK_CORE_ADAPTER = ModuleIdentifier.create("org.keycloak.keycloak-adapter-core");
+    private static final ModuleIdentifier APACHE_HTTPCOMPONENTS = ModuleIdentifier.create("org.apache.httpcomponents");
+
+    @Override
+    public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
+        final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
+
+        KeycloakAdapterConfigService service = KeycloakAdapterConfigService.find(phaseContext.getServiceRegistry());
+        if (service.isKeycloakDeployment(deploymentUnit.getName())) {
+            addModules(deploymentUnit);
+        }
+    }
+
+    private void addModules(DeploymentUnit deploymentUnit) {
+        final ModuleSpecification moduleSpecification = deploymentUnit.getAttachment(Attachments.MODULE_SPECIFICATION);
+        final ModuleLoader moduleLoader = Module.getBootModuleLoader();
+
+        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, KEYCLOAK_UNDERTOW_ADAPTER, false, false, true, false));
+        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, KEYCLOAK_CORE_ADAPTER, false, false, false, false));
+        moduleSpecification.addSystemDependency(new ModuleDependency(moduleLoader, APACHE_HTTPCOMPONENTS, false, false, true, false));
+    }
+
+    @Override
+    public void undeploy(DeploymentUnit du) {
+
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakExtension.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakExtension.java
new file mode 100644
index 0000000..ed953d1
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakExtension.java
@@ -0,0 +1,85 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.Extension;
+import org.jboss.as.controller.ExtensionContext;
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.controller.SubsystemRegistration;
+import org.jboss.as.controller.descriptions.StandardResourceDescriptionResolver;
+import org.jboss.as.controller.parsing.ExtensionParsingContext;
+import org.jboss.as.controller.registry.ManagementResourceRegistration;
+import org.jboss.as.controller.ResourceDefinition;
+import org.keycloak.subsystem.logging.KeycloakLogger;
+
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SUBSYSTEM;
+
+
+/**
+ * Main Extension class for the subsystem.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class KeycloakExtension implements Extension {
+
+    public static final String SUBSYSTEM_NAME = "keycloak";
+    public static final String NAMESPACE = "urn:jboss:domain:keycloak:1.0";
+    private static final KeycloakSubsystemParser PARSER = new KeycloakSubsystemParser();
+    static final PathElement PATH_SUBSYSTEM = PathElement.pathElement(SUBSYSTEM, SUBSYSTEM_NAME);
+    private static final String RESOURCE_NAME = KeycloakExtension.class.getPackage().getName() + ".LocalDescriptions";
+    private static final int MANAGEMENT_API_MAJOR_VERSION = 1;
+    private static final int MANAGEMENT_API_MINOR_VERSION = 0;
+    private static final int MANAGEMENT_API_MICRO_VERSION = 0;
+    protected static final PathElement SUBSYSTEM_PATH = PathElement.pathElement(SUBSYSTEM, SUBSYSTEM_NAME);
+    private static final ResourceDefinition KEYCLOAK_SUBSYSTEM_RESOURCE = new KeycloakSubsystemDefinition();
+    static final RealmDefinition REALM_DEFINITION = new RealmDefinition();
+    static final SecureDeploymentDefinition SECURE_DEPLOYMENT_DEFINITION = new SecureDeploymentDefinition();
+    static final CredentialDefinition CREDENTIAL_DEFINITION = new CredentialDefinition();
+
+    static StandardResourceDescriptionResolver getResourceDescriptionResolver(final String... keyPrefix) {
+        StringBuilder prefix = new StringBuilder(SUBSYSTEM_NAME);
+        for (String kp : keyPrefix) {
+            prefix.append('.').append(kp);
+        }
+        return new StandardResourceDescriptionResolver(prefix.toString(), RESOURCE_NAME, KeycloakExtension.class.getClassLoader(), true, false);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void initializeParsers(final ExtensionParsingContext context) {
+        context.setSubsystemXmlMapping(SUBSYSTEM_NAME, KeycloakExtension.NAMESPACE, PARSER);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void initialize(final ExtensionContext context) {
+        KeycloakLogger.ROOT_LOGGER.debug("Activating Keycloak Extension");
+        final SubsystemRegistration subsystem = context.registerSubsystem(SUBSYSTEM_NAME, MANAGEMENT_API_MAJOR_VERSION,
+                MANAGEMENT_API_MINOR_VERSION, MANAGEMENT_API_MICRO_VERSION);
+
+        ManagementResourceRegistration registration = subsystem.registerSubsystemModel(KEYCLOAK_SUBSYSTEM_RESOURCE);
+        ManagementResourceRegistration realmRegistration = registration.registerSubModel(REALM_DEFINITION);
+        ManagementResourceRegistration secureDeploymentRegistration = realmRegistration.registerSubModel(SECURE_DEPLOYMENT_DEFINITION);
+        secureDeploymentRegistration.registerSubModel(CREDENTIAL_DEFINITION);
+
+        subsystem.registerXMLElementWriter(PARSER);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemAdd.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemAdd.java
new file mode 100644
index 0000000..846a770
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemAdd.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import java.util.List;
+
+import org.jboss.as.controller.AbstractBoottimeAddStepHandler;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.as.controller.ServiceVerificationHandler;
+import org.jboss.as.server.AbstractDeploymentChainStep;
+import org.jboss.as.server.DeploymentProcessorTarget;
+import org.jboss.as.server.deployment.Phase;
+import org.jboss.dmr.ModelNode;
+import org.jboss.msc.service.ServiceController;
+
+/**
+ * The Keycloak subsystem add update handler.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+class KeycloakSubsystemAdd extends AbstractBoottimeAddStepHandler {
+
+    static final KeycloakSubsystemAdd INSTANCE = new KeycloakSubsystemAdd();
+
+    @Override
+    protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
+        model.setEmptyObject();
+    }
+
+    @Override
+    protected void performBoottime(final OperationContext context, ModelNode operation, final ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) {
+        context.addStep(new AbstractDeploymentChainStep() {
+            @Override
+            protected void execute(DeploymentProcessorTarget processorTarget) {
+                processorTarget.addDeploymentProcessor(KeycloakExtension.SUBSYSTEM_NAME, Phase.DEPENDENCIES, 0, new KeycloakDependencyProcessor());
+                processorTarget.addDeploymentProcessor(KeycloakExtension.SUBSYSTEM_NAME,
+                                                       KeycloakAdapterConfigDeploymentProcessor.PHASE,
+                                                       KeycloakAdapterConfigDeploymentProcessor.PRIORITY,
+                                                       new KeycloakAdapterConfigDeploymentProcessor());
+            }
+        }, OperationContext.Stage.RUNTIME);
+    }
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) throws OperationFailedException {
+        super.performRuntime(context, operation, model, verificationHandler, newControllers);
+
+        ServiceController<KeycloakAdapterConfigService> controller = context.getServiceTarget()
+                .addService(KeycloakAdapterConfigService.SERVICE_NAME, KeycloakAdapterConfigService.INSTANCE)
+                .addListener(verificationHandler)
+                .setInitialMode(ServiceController.Mode.ACTIVE)
+                .install();
+        newControllers.add(controller);
+    }
+
+    @Override
+    protected boolean requiresRuntimeVerification() {
+        return false;
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemDefinition.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemDefinition.java
new file mode 100644
index 0000000..fe9b57b
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemDefinition.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.controller.ReloadRequiredRemoveStepHandler;
+import org.jboss.as.controller.SimpleResourceDefinition;
+import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
+import org.jboss.as.controller.operations.common.GenericSubsystemDescribeHandler;
+import org.jboss.as.controller.registry.ManagementResourceRegistration;
+
+/**
+ * Definition of subsystem=keycloak.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class KeycloakSubsystemDefinition extends SimpleResourceDefinition {
+    protected KeycloakSubsystemDefinition() {
+        super(PathElement.pathElement(ModelDescriptionConstants.SUBSYSTEM, KeycloakExtension.SUBSYSTEM_NAME),
+                KeycloakExtension.getResourceDescriptionResolver("subsystem"),
+                KeycloakSubsystemAdd.INSTANCE,
+                ReloadRequiredRemoveStepHandler.INSTANCE
+        );
+    }
+
+    @Override
+    public void registerOperations(ManagementResourceRegistration resourceRegistration) {
+        super.registerOperations(resourceRegistration);
+        resourceRegistration.registerOperationHandler(GenericSubsystemDescribeHandler.DEFINITION, GenericSubsystemDescribeHandler.INSTANCE);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemParser.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemParser.java
new file mode 100644
index 0000000..d4bd89b
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/KeycloakSubsystemParser.java
@@ -0,0 +1,227 @@
+/*
+ * Copyright 2014 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.PathAddress;
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.controller.SimpleAttributeDefinition;
+import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
+import org.jboss.as.controller.operations.common.Util;
+import org.jboss.as.controller.parsing.ParseUtils;
+import org.jboss.as.controller.persistence.SubsystemMarshallingContext;
+import org.jboss.dmr.ModelNode;
+import org.jboss.dmr.Property;
+import org.jboss.staxmapper.XMLElementReader;
+import org.jboss.staxmapper.XMLElementWriter;
+import org.jboss.staxmapper.XMLExtendedStreamReader;
+import org.jboss.staxmapper.XMLExtendedStreamWriter;
+
+/**
+ * The subsystem parser, which uses stax to read and write to and from xml
+ */
+class KeycloakSubsystemParser implements XMLStreamConstants, XMLElementReader<List<ModelNode>>, XMLElementWriter<SubsystemMarshallingContext> {
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void readElement(final XMLExtendedStreamReader reader, final List<ModelNode> list) throws XMLStreamException {
+        // Require no attributes
+        ParseUtils.requireNoAttributes(reader);
+        ModelNode addKeycloakSub = Util.createAddOperation(PathAddress.pathAddress(KeycloakExtension.PATH_SUBSYSTEM));
+        list.add(addKeycloakSub);
+
+        while (reader.hasNext() && nextTag(reader) != END_ELEMENT) {
+            if (!reader.getLocalName().equals("realm")) {
+                throw ParseUtils.unexpectedElement(reader);
+            }
+            readRealm(reader, list);
+        }
+    }
+
+    // used for debugging
+    private int nextTag(XMLExtendedStreamReader reader) throws XMLStreamException {
+        return reader.nextTag();
+    }
+
+    private void readRealm(XMLExtendedStreamReader reader, List<ModelNode> list) throws XMLStreamException {
+        String realmName = readNameAttribute(reader);
+        ModelNode composite = new ModelNode();
+        composite.get(ModelDescriptionConstants.OP_ADDR).setEmptyList();
+        composite.get(ModelDescriptionConstants.OP).set(ModelDescriptionConstants.COMPOSITE);
+        ModelNode addRealm = new ModelNode();
+        addRealm.get(ModelDescriptionConstants.OP).set(ModelDescriptionConstants.ADD);
+        PathAddress addr = PathAddress.pathAddress(PathElement.pathElement(ModelDescriptionConstants.SUBSYSTEM, KeycloakExtension.SUBSYSTEM_NAME),
+                                                   PathElement.pathElement(RealmDefinition.TAG_NAME, realmName));
+        addRealm.get(ModelDescriptionConstants.OP_ADDR).set(addr.toModelNode());
+
+        List<ModelNode> resourcesToAdd = new ArrayList<ModelNode>();
+        while (reader.hasNext() && nextTag(reader) != END_ELEMENT) {
+            String tagName = reader.getLocalName();
+            if (tagName.equals(SecureDeploymentDefinition.TAG_NAME)) {
+                readDeployment(reader, addr, resourcesToAdd);
+                continue;
+            }
+
+            SimpleAttributeDefinition def = RealmDefinition.lookup(tagName);
+            if (def == null) throw new XMLStreamException("Unknown realm tag " + tagName);
+            def.parseAndSetParameter(reader.getElementText(), addRealm, reader);
+        }
+
+        if (!RealmDefinition.validateTruststoreSetIfRequired(addRealm)) {
+            //TODO: externalize the message
+            throw new XMLStreamException("truststore and truststore-password must be set if both ssl-not-required and disable-trust-maanger are false.");
+        }
+
+        ModelNode steps = new ModelNode();
+        steps.add(addRealm);
+        for (ModelNode resource : resourcesToAdd) {
+            steps.add(resource);
+        }
+        composite.get(ModelDescriptionConstants.STEPS).set(steps);
+
+        list.add(composite);
+    }
+
+    private void readDeployment(XMLExtendedStreamReader reader, PathAddress parent, List<ModelNode> resourcesToAdd) throws XMLStreamException {
+        String name = readNameAttribute(reader);
+        ModelNode addSecureDeployment = new ModelNode();
+        addSecureDeployment.get(ModelDescriptionConstants.OP).set(ModelDescriptionConstants.ADD);
+        PathAddress addr = PathAddress.pathAddress(parent, PathElement.pathElement(SecureDeploymentDefinition.TAG_NAME, name));
+        addSecureDeployment.get(ModelDescriptionConstants.OP_ADDR).set(addr.toModelNode());
+        List<ModelNode> credentialsToAdd = new ArrayList<ModelNode>();
+        while (reader.hasNext() && nextTag(reader) != END_ELEMENT) {
+            String tagName = reader.getLocalName();
+            if (tagName.equals(CredentialDefinition.TAG_NAME)) {
+                readCredential(reader, addr, credentialsToAdd);
+                continue;
+            }
+
+            SimpleAttributeDefinition def = SecureDeploymentDefinition.lookup(tagName);
+            if (def == null) throw new XMLStreamException("Unknown secure-deployment tag " + tagName);
+            def.parseAndSetParameter(reader.getElementText(), addSecureDeployment, reader);
+        }
+        // Must add credentials after the deployment is added.
+        resourcesToAdd.add(addSecureDeployment);
+        resourcesToAdd.addAll(credentialsToAdd);
+    }
+
+    public void readCredential(XMLExtendedStreamReader reader, PathAddress parent, List<ModelNode> credentialsToAdd) throws XMLStreamException {
+        String name = readNameAttribute(reader);
+        ModelNode addCredential = new ModelNode();
+        addCredential.get(ModelDescriptionConstants.OP).set(ModelDescriptionConstants.ADD);
+        PathAddress addr = PathAddress.pathAddress(parent, PathElement.pathElement(CredentialDefinition.TAG_NAME, name));
+        addCredential.get(ModelDescriptionConstants.OP_ADDR).set(addr.toModelNode());
+        addCredential.get(CredentialDefinition.VALUE.getName()).set(reader.getElementText());
+        credentialsToAdd.add(addCredential);
+    }
+
+    // expects that the current tag will have one single attribute called "name"
+    private String readNameAttribute(XMLExtendedStreamReader reader) throws XMLStreamException {
+        String name = null;
+        for (int i = 0; i < reader.getAttributeCount(); i++) {
+            String attr = reader.getAttributeLocalName(i);
+            if (attr.equals("name")) {
+                name = reader.getAttributeValue(i);
+                continue;
+            }
+            throw ParseUtils.unexpectedAttribute(reader, i);
+        }
+        if (name == null) {
+            throw ParseUtils.missingRequired(reader, Collections.singleton("name"));
+        }
+        return name;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public void writeContent(final XMLExtendedStreamWriter writer, final SubsystemMarshallingContext context) throws XMLStreamException {
+        context.startSubsystemElement(KeycloakExtension.NAMESPACE, false);
+        writeRealms(writer, context);
+        writer.writeEndElement();
+    }
+
+    private void writeRealms(XMLExtendedStreamWriter writer, SubsystemMarshallingContext context) throws XMLStreamException {
+        if (!context.getModelNode().get(RealmDefinition.TAG_NAME).isDefined()) {
+            return;
+        }
+        for (Property realm : context.getModelNode().get(RealmDefinition.TAG_NAME).asPropertyList()) {
+            writer.writeStartElement(RealmDefinition.TAG_NAME);
+            writer.writeAttribute("name", realm.getName());
+            ModelNode realmElements = realm.getValue();
+            for (AttributeDefinition element : RealmDefinition.ALL_ATTRIBUTES) {
+                element.marshallAsElement(realmElements, writer);
+            }
+
+            ModelNode deployments = realmElements.get(SecureDeploymentDefinition.TAG_NAME);
+            if (deployments.isDefined()) {
+                writeSecureDeployments(writer, deployments);
+            }
+
+            writer.writeEndElement();
+        }
+    }
+
+    private void writeSecureDeployments(XMLExtendedStreamWriter writer, ModelNode deployments) throws XMLStreamException {
+        for (Property deployment : deployments.asPropertyList()) {
+            writer.writeStartElement(SecureDeploymentDefinition.TAG_NAME);
+            writer.writeAttribute("name", deployment.getName());
+            ModelNode deploymentElements = deployment.getValue();
+            for (AttributeDefinition element : SecureDeploymentDefinition.ALL_ATTRIBUTES) {
+                element.marshallAsElement(deploymentElements, writer);
+            }
+
+            ModelNode credentials = deploymentElements.get(CredentialDefinition.TAG_NAME);
+            if (credentials.isDefined()) {
+                writeCredentials(writer, credentials);
+            }
+
+            writer.writeEndElement();
+        }
+    }
+
+    private void writeCredentials(XMLExtendedStreamWriter writer, ModelNode credentials) throws XMLStreamException {
+        for (Property credential : credentials.asPropertyList()) {
+            writer.writeStartElement(CredentialDefinition.TAG_NAME);
+            writer.writeAttribute("name", credential.getName());
+            String credentialValue = credential.getValue().get(CredentialDefinition.VALUE.getName()).asString();
+            writeCharacters(writer, credentialValue);
+            writer.writeEndElement();
+        }
+    }
+
+    // code taken from org.jboss.as.controller.AttributeMarshaller
+    private void writeCharacters(XMLExtendedStreamWriter writer, String content) throws XMLStreamException {
+        if (content.indexOf('\n') > -1) {
+            // Multiline content. Use the overloaded variant that staxmapper will format
+            writer.writeCharacters(content);
+        } else {
+            // Staxmapper will just output the chars without adding newlines if this is used
+            char[] chars = content.toCharArray();
+            writer.writeCharacters(chars, 0, chars.length);
+        }
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmAddHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmAddHandler.java
new file mode 100644
index 0000000..9705980
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmAddHandler.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.List;
+import org.jboss.as.controller.AbstractAddStepHandler;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.as.controller.ServiceVerificationHandler;
+import org.jboss.dmr.ModelNode;
+
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
+import org.jboss.msc.service.ServiceController;
+
+/**
+ * Add a new realm.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class RealmAddHandler extends AbstractAddStepHandler {
+
+    public static RealmAddHandler INSTANCE = new RealmAddHandler();
+
+    private RealmAddHandler() {}
+
+    @Override
+    protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
+        // TODO: localize exception. get id number
+        if (!operation.get(OP).asString().equals(ADD)) {
+            throw new OperationFailedException("Unexpected operation for add realm. operation=" + operation.toString());
+        }
+
+        for (AttributeDefinition attrib : RealmDefinition.ALL_ATTRIBUTES) {
+            attrib.validateAndSet(operation, model);
+        }
+
+        if (!RealmDefinition.validateTruststoreSetIfRequired(model.clone())) {
+            //TODO: externalize message
+            throw new OperationFailedException("truststore and truststore-password must be set if both ssl-not-required and disable-trust-maanger are false.");
+        }
+    }
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.addRealm(operation, model);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmDefinition.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmDefinition.java
new file mode 100644
index 0000000..7ecdcb3
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmDefinition.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.controller.SimpleAttributeDefinition;
+import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
+import org.jboss.as.controller.SimpleResourceDefinition;
+import org.jboss.as.controller.operations.common.GenericSubsystemDescribeHandler;
+import org.jboss.as.controller.operations.validation.IntRangeValidator;
+import org.jboss.as.controller.operations.validation.StringLengthValidator;
+import org.jboss.as.controller.registry.ManagementResourceRegistration;
+import org.jboss.dmr.ModelNode;
+import org.jboss.dmr.ModelType;
+
+/**
+ * Defines attributes and operations for the Realm
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class RealmDefinition extends SimpleResourceDefinition {
+
+    public static final String TAG_NAME = "realm";
+
+    protected static final SimpleAttributeDefinition REALM_PUBLIC_KEY =
+            new SimpleAttributeDefinitionBuilder("realm-public-key", ModelType.STRING, false)
+            .setXmlName("realm-public-key")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, false, true))
+            .build();
+    protected static final SimpleAttributeDefinition AUTH_SERVER_URL =
+            new SimpleAttributeDefinitionBuilder("auth-server-url", ModelType.STRING, false)
+            .setXmlName("auth-server-url")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, false, true))
+            .build();
+    protected static final SimpleAttributeDefinition SSL_NOT_REQUIRED =
+            new SimpleAttributeDefinitionBuilder("ssl-not-required", ModelType.BOOLEAN, true)
+            .setXmlName("ssl-not-required")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+    protected static final SimpleAttributeDefinition ALLOW_ANY_HOSTNAME =
+            new SimpleAttributeDefinitionBuilder("allow-any-hostname", ModelType.BOOLEAN, true)
+            .setXmlName("allow-any-hostname")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+    protected static final SimpleAttributeDefinition DISABLE_TRUST_MANAGER =
+            new SimpleAttributeDefinitionBuilder("disable-trust-manager", ModelType.BOOLEAN, true)
+            .setXmlName("disable-trust-manager")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+    protected static final SimpleAttributeDefinition TRUSTSTORE =
+            new SimpleAttributeDefinitionBuilder("truststore", ModelType.STRING, true)
+            .setXmlName("truststore")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition TRUSTSTORE_PASSWORD =
+            new SimpleAttributeDefinitionBuilder("truststore-password", ModelType.STRING, true)
+            .setXmlName("truststore-password")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition CONNECTION_POOL_SIZE =
+            new SimpleAttributeDefinitionBuilder("connection-pool-size", ModelType.INT, true)
+            .setXmlName("connection-pool-size")
+            .setAllowExpression(true)
+            .setValidator(new IntRangeValidator(0))
+            .build();
+
+    protected static final List<SimpleAttributeDefinition> REALM_ONLY_ATTRIBUTES = new ArrayList<SimpleAttributeDefinition>();
+    static {
+        REALM_ONLY_ATTRIBUTES.add(REALM_PUBLIC_KEY);
+        REALM_ONLY_ATTRIBUTES.add(AUTH_SERVER_URL);
+        REALM_ONLY_ATTRIBUTES.add(TRUSTSTORE);
+        REALM_ONLY_ATTRIBUTES.add(TRUSTSTORE_PASSWORD);
+        REALM_ONLY_ATTRIBUTES.add(SSL_NOT_REQUIRED);
+        REALM_ONLY_ATTRIBUTES.add(ALLOW_ANY_HOSTNAME);
+        REALM_ONLY_ATTRIBUTES.add(DISABLE_TRUST_MANAGER);
+        REALM_ONLY_ATTRIBUTES.add(CONNECTION_POOL_SIZE);
+    }
+
+    protected static final List<SimpleAttributeDefinition> ALL_ATTRIBUTES = new ArrayList<SimpleAttributeDefinition>();
+    static {
+        ALL_ATTRIBUTES.addAll(REALM_ONLY_ATTRIBUTES);
+        ALL_ATTRIBUTES.addAll(SharedAttributeDefinitons.ATTRIBUTES);
+    }
+
+    private static final Map<String, SimpleAttributeDefinition> DEFINITION_LOOKUP = new HashMap<String, SimpleAttributeDefinition>();
+    static {
+        for (SimpleAttributeDefinition def : ALL_ATTRIBUTES) {
+            DEFINITION_LOOKUP.put(def.getXmlName(), def);
+        }
+    }
+
+    private static final RealmWriteAttributeHandler realmAttrHandler = new RealmWriteAttributeHandler(ALL_ATTRIBUTES.toArray(new SimpleAttributeDefinition[0]));
+
+    public RealmDefinition() {
+        super(PathElement.pathElement("realm"),
+                KeycloakExtension.getResourceDescriptionResolver("realm"),
+                RealmAddHandler.INSTANCE,
+                RealmRemoveHandler.INSTANCE);
+    }
+
+    @Override
+    public void registerOperations(ManagementResourceRegistration resourceRegistration) {
+        super.registerOperations(resourceRegistration);
+        resourceRegistration.registerOperationHandler(GenericSubsystemDescribeHandler.DEFINITION, GenericSubsystemDescribeHandler.INSTANCE);
+    }
+
+    @Override
+    public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
+        super.registerAttributes(resourceRegistration);
+
+        for (AttributeDefinition attrDef : ALL_ATTRIBUTES) {
+            //TODO: use subclass of realmAttrHandler that can call RealmDefinition.validateTruststoreSetIfRequired
+            resourceRegistration.registerReadWriteAttribute(attrDef, null, realmAttrHandler);
+        }
+    }
+
+    /**
+     * truststore and truststore-password must be set if ssl-not-required and disable-trust-manager are both false.
+     *
+     * @param attributes The full set of attributes.
+     *
+     * @return <code>true</code> if the attributes are valid, <code>false</code> otherwise.
+     */
+    public static boolean validateTruststoreSetIfRequired(ModelNode attributes) {
+        if (!isSet(attributes, SSL_NOT_REQUIRED) && !isSet(attributes, DISABLE_TRUST_MANAGER)) {
+            if (!(isSet(attributes, TRUSTSTORE) && isSet(attributes, TRUSTSTORE_PASSWORD))) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    private static boolean isSet(ModelNode attributes, SimpleAttributeDefinition def) {
+        ModelNode attribute = attributes.get(def.getName());
+
+        if (def.getType() == ModelType.BOOLEAN) {
+            return attribute.isDefined() && attribute.asBoolean();
+        }
+
+        return attribute.isDefined() && !attribute.asString().isEmpty();
+    }
+
+    public static SimpleAttributeDefinition lookup(String name) {
+        return DEFINITION_LOOKUP.get(name);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmRemoveHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmRemoveHandler.java
new file mode 100644
index 0000000..9827487
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmRemoveHandler.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.AbstractRemoveStepHandler;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.dmr.ModelNode;
+
+/**
+ * Remove a realm.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class RealmRemoveHandler extends AbstractRemoveStepHandler {
+
+    public static RealmRemoveHandler INSTANCE = new RealmRemoveHandler();
+
+    private RealmRemoveHandler() {}
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.removeRealm(operation);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmWriteAttributeHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmWriteAttributeHandler.java
new file mode 100644
index 0000000..f6847b5
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/RealmWriteAttributeHandler.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.List;
+import org.jboss.as.controller.AbstractWriteAttributeHandler;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.dmr.ModelNode;
+
+/**
+ * Update an attribute on a realm.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class RealmWriteAttributeHandler extends AbstractWriteAttributeHandler<KeycloakAdapterConfigService> {
+
+    public RealmWriteAttributeHandler(List<AttributeDefinition> definitions) {
+        this(definitions.toArray(new AttributeDefinition[definitions.size()]));
+    }
+
+    public RealmWriteAttributeHandler(AttributeDefinition... definitions) {
+        super(definitions);
+    }
+
+    @Override
+    protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
+                                           ModelNode resolvedValue, ModelNode currentValue, HandbackHolder<KeycloakAdapterConfigService> hh) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.updateRealm(operation, attributeName, resolvedValue);
+
+        hh.setHandback(ckService);
+
+        return false;
+    }
+
+    @Override
+    protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
+                                         ModelNode valueToRestore, ModelNode valueToRevert, KeycloakAdapterConfigService ckService) throws OperationFailedException {
+        ckService.updateRealm(operation, attributeName, valueToRestore);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentAddHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentAddHandler.java
new file mode 100644
index 0000000..20930b0
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentAddHandler.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.List;
+import org.jboss.as.controller.AbstractAddStepHandler;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.as.controller.ServiceVerificationHandler;
+import org.jboss.dmr.ModelNode;
+
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
+import org.jboss.msc.service.ServiceController;
+
+/**
+ * Add a deployment to a realm.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class SecureDeploymentAddHandler extends AbstractAddStepHandler {
+
+    public static SecureDeploymentAddHandler INSTANCE = new SecureDeploymentAddHandler();
+
+    private SecureDeploymentAddHandler() {}
+
+    @Override
+    protected void populateModel(ModelNode operation, ModelNode model) throws OperationFailedException {
+        // TODO: localize exception. get id number
+        if (!operation.get(OP).asString().equals(ADD)) {
+            throw new OperationFailedException("Unexpected operation for add secure deployment. operation=" + operation.toString());
+        }
+
+        for (AttributeDefinition attr : SecureDeploymentDefinition.ALL_ATTRIBUTES) {
+            attr.validateAndSet(operation, model);
+        }
+    }
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model, ServiceVerificationHandler verificationHandler, List<ServiceController<?>> newControllers) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.addSecureDeployment(operation, model);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentDefinition.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentDefinition.java
new file mode 100644
index 0000000..9754c86
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentDefinition.java
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.controller.SimpleAttributeDefinition;
+import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
+import org.jboss.as.controller.SimpleResourceDefinition;
+import org.jboss.as.controller.operations.common.GenericSubsystemDescribeHandler;
+import org.jboss.as.controller.operations.validation.StringLengthValidator;
+import org.jboss.as.controller.registry.ManagementResourceRegistration;
+import org.jboss.dmr.ModelNode;
+import org.jboss.dmr.ModelType;
+
+/**
+ * Defines attributes and operations for a secure-deployment.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class SecureDeploymentDefinition extends SimpleResourceDefinition {
+
+    public static final String TAG_NAME = "secure-deployment";
+
+    protected static final SimpleAttributeDefinition RESOURCE =
+            new SimpleAttributeDefinitionBuilder("resource", ModelType.STRING, true)
+            .setXmlName("resource")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition USE_RESOURCE_ROLE_MAPPINGS =
+            new SimpleAttributeDefinitionBuilder("use-resource-role-mappings", ModelType.BOOLEAN, true)
+            .setXmlName("use-resource-role-mappings")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+    protected static final SimpleAttributeDefinition BEARER_ONLY =
+            new SimpleAttributeDefinitionBuilder("bearer-only", ModelType.BOOLEAN, true)
+            .setXmlName("bearer-only")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+
+    protected static final List<SimpleAttributeDefinition> DEPLOYMENT_ONLY_ATTRIBUTES = new ArrayList<SimpleAttributeDefinition>();
+    static {
+        DEPLOYMENT_ONLY_ATTRIBUTES.add(RESOURCE);
+        DEPLOYMENT_ONLY_ATTRIBUTES.add(USE_RESOURCE_ROLE_MAPPINGS);
+        DEPLOYMENT_ONLY_ATTRIBUTES.add(BEARER_ONLY);
+    }
+
+    protected static final List<SimpleAttributeDefinition> ALL_ATTRIBUTES = new ArrayList<SimpleAttributeDefinition>();
+    static {
+        ALL_ATTRIBUTES.addAll(DEPLOYMENT_ONLY_ATTRIBUTES);
+        ALL_ATTRIBUTES.addAll(SharedAttributeDefinitons.ATTRIBUTES);
+    }
+
+    private static final Map<String, SimpleAttributeDefinition> DEFINITION_LOOKUP = new HashMap<String, SimpleAttributeDefinition>();
+    static {
+        for (SimpleAttributeDefinition def : ALL_ATTRIBUTES) {
+            DEFINITION_LOOKUP.put(def.getXmlName(), def);
+        }
+    }
+
+    private static SecureDeploymentWriteAttributeHandler attrHandler = new SecureDeploymentWriteAttributeHandler(ALL_ATTRIBUTES);
+
+    public SecureDeploymentDefinition() {
+        super(PathElement.pathElement(TAG_NAME),
+                KeycloakExtension.getResourceDescriptionResolver(TAG_NAME),
+                SecureDeploymentAddHandler.INSTANCE,
+                SecureDeploymentRemoveHandler.INSTANCE);
+    }
+
+    @Override
+    public void registerOperations(ManagementResourceRegistration resourceRegistration) {
+        super.registerOperations(resourceRegistration);
+        resourceRegistration.registerOperationHandler(GenericSubsystemDescribeHandler.DEFINITION, GenericSubsystemDescribeHandler.INSTANCE);
+    }
+
+    @Override
+    public void registerAttributes(ManagementResourceRegistration resourceRegistration) {
+        super.registerAttributes(resourceRegistration);
+        for (AttributeDefinition attrDef : ALL_ATTRIBUTES) {
+            resourceRegistration.registerReadWriteAttribute(attrDef, null, attrHandler);
+        }
+    }
+
+    public static SimpleAttributeDefinition lookup(String name) {
+        return DEFINITION_LOOKUP.get(name);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentRemoveHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentRemoveHandler.java
new file mode 100644
index 0000000..fedd88f
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentRemoveHandler.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import org.jboss.as.controller.AbstractRemoveStepHandler;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.dmr.ModelNode;
+
+/**
+ * Remove a secure-deployment from a realm.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class SecureDeploymentRemoveHandler extends AbstractRemoveStepHandler {
+
+    public static SecureDeploymentRemoveHandler INSTANCE = new SecureDeploymentRemoveHandler();
+
+    private SecureDeploymentRemoveHandler() {}
+
+    @Override
+    protected void performRuntime(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        ckService.removeSecureDeployment(operation);
+    }
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentWriteAttributeHandler.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentWriteAttributeHandler.java
new file mode 100644
index 0000000..8cc1f60
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/SecureDeploymentWriteAttributeHandler.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package org.keycloak.subsystem.extension;
+
+import java.util.List;
+import org.jboss.as.controller.AbstractWriteAttributeHandler;
+import org.jboss.as.controller.AttributeDefinition;
+import org.jboss.as.controller.OperationContext;
+import org.jboss.as.controller.OperationFailedException;
+import org.jboss.as.controller.SimpleAttributeDefinition;
+import org.jboss.dmr.ModelNode;
+
+/**
+ * Update an attribute on a secure-deployment.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class SecureDeploymentWriteAttributeHandler extends AbstractWriteAttributeHandler<KeycloakAdapterConfigService> {
+
+    public SecureDeploymentWriteAttributeHandler(List<SimpleAttributeDefinition> definitions) {
+        this(definitions.toArray(new AttributeDefinition[definitions.size()]));
+    }
+
+    public SecureDeploymentWriteAttributeHandler(AttributeDefinition... definitions) {
+        super(definitions);
+    }
+
+    @Override
+    protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
+                                           ModelNode resolvedValue, ModelNode currentValue, HandbackHolder<KeycloakAdapterConfigService> hh) throws OperationFailedException {
+        KeycloakAdapterConfigService ckService = KeycloakAdapterConfigService.find(context);
+        hh.setHandback(ckService);
+        ckService.updateSecureDeployment(operation, attributeName, resolvedValue);
+        return false;
+    }
+
+    @Override
+    protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
+                                         ModelNode valueToRestore, ModelNode valueToRevert, KeycloakAdapterConfigService ckService) throws OperationFailedException {
+        ckService.updateSecureDeployment(operation, attributeName, valueToRestore);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/extension/SharedAttributeDefinitons.java b/subsystem/src/main/java/org/keycloak/subsystem/extension/SharedAttributeDefinitons.java
new file mode 100644
index 0000000..db0ccf8
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/extension/SharedAttributeDefinitons.java
@@ -0,0 +1,97 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.jboss.as.controller.SimpleAttributeDefinition;
+import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
+import org.jboss.as.controller.operations.validation.IntRangeValidator;
+import org.jboss.as.controller.operations.validation.StringLengthValidator;
+import org.jboss.dmr.ModelNode;
+import org.jboss.dmr.ModelType;
+
+/**
+ * Defines attributes that can be present in both a realm and an application (secure-deployment).
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class SharedAttributeDefinitons {
+
+    protected static final SimpleAttributeDefinition ENABLE_CORS =
+            new SimpleAttributeDefinitionBuilder("enable-cors", ModelType.BOOLEAN, true)
+            .setXmlName("enable-cors")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+    protected static final SimpleAttributeDefinition CLIENT_KEYSTORE =
+            new SimpleAttributeDefinitionBuilder("client-keystore", ModelType.STRING, true)
+            .setXmlName("client-keystore")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition CLIENT_KEYSTORE_PASSWORD =
+            new SimpleAttributeDefinitionBuilder("client-keystore-password", ModelType.STRING, true)
+            .setXmlName("client-keystore-password")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition CLIENT_KEY_PASSWORD =
+            new SimpleAttributeDefinitionBuilder("client-key-password", ModelType.STRING, true)
+            .setXmlName("client-key-password")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition CORS_MAX_AGE =
+            new SimpleAttributeDefinitionBuilder("cors-max-age", ModelType.INT, true)
+            .setXmlName("cors-max-age")
+            .setAllowExpression(true)
+            .setValidator(new IntRangeValidator(-1))
+            .build();
+    protected static final SimpleAttributeDefinition CORS_ALLOWED_HEADERS =
+            new SimpleAttributeDefinitionBuilder("cors-allowed-headers", ModelType.STRING, true)
+            .setXmlName("cors-allowed-headers")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition CORS_ALLOWED_METHODS =
+            new SimpleAttributeDefinitionBuilder("cors-allowed-methods", ModelType.STRING, true)
+            .setXmlName("cors-allowed-methods")
+            .setAllowExpression(true)
+            .setValidator(new StringLengthValidator(1, Integer.MAX_VALUE, true, true))
+            .build();
+    protected static final SimpleAttributeDefinition EXPOSE_TOKEN =
+            new SimpleAttributeDefinitionBuilder("expose-token", ModelType.BOOLEAN, true)
+            .setXmlName("expose-token")
+            .setAllowExpression(true)
+            .setDefaultValue(new ModelNode(false))
+            .build();
+
+
+    protected static final List<SimpleAttributeDefinition> ATTRIBUTES = new ArrayList<SimpleAttributeDefinition>();
+    static {
+        ATTRIBUTES.add(ENABLE_CORS);
+        ATTRIBUTES.add(CLIENT_KEYSTORE);
+        ATTRIBUTES.add(CLIENT_KEYSTORE_PASSWORD);
+        ATTRIBUTES.add(CLIENT_KEY_PASSWORD);
+        ATTRIBUTES.add(CORS_MAX_AGE);
+        ATTRIBUTES.add(CORS_ALLOWED_HEADERS);
+        ATTRIBUTES.add(CORS_ALLOWED_METHODS);
+        ATTRIBUTES.add(EXPOSE_TOKEN);
+    }
+
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/logging/KeycloakLogger.java b/subsystem/src/main/java/org/keycloak/subsystem/logging/KeycloakLogger.java
new file mode 100644
index 0000000..bca4588
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/logging/KeycloakLogger.java
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.logging;
+
+import java.util.List;
+import org.jboss.logging.BasicLogger;
+import org.jboss.logging.annotations.LogMessage;
+import org.jboss.logging.Logger;
+import org.jboss.logging.annotations.Message;
+import org.jboss.logging.annotations.MessageLogger;
+import org.jboss.vfs.VirtualFile;
+
+import static org.jboss.logging.Logger.Level.ERROR;
+import static org.jboss.logging.Logger.Level.INFO;
+import static org.jboss.logging.Logger.Level.WARN;
+
+/**
+ * This interface to be fleshed out later when error messages are fully externalized.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+@MessageLogger(projectCode = "KEYCLOAK")
+public interface KeycloakLogger extends BasicLogger {
+
+    /**
+     * A logger with a category of the package name.
+     */
+    KeycloakLogger ROOT_LOGGER = Logger.getMessageLogger(KeycloakLogger.class, "org.jboss.keycloak");
+
+ /*   @LogMessage(level = ERROR)
+    @Message(id = 12600, value = "Could not load JSF managed bean class: %s")
+    void managedBeanLoadFail(String managedBean);
+
+    @LogMessage(level = ERROR)
+    @Message(id = 12601, value = "JSF managed bean class %s has no default constructor")
+    void managedBeanNoDefaultConstructor(String managedBean);
+
+    @LogMessage(level = ERROR)
+    @Message(id = 12602, value = "Failed to parse %s, managed beans defined in this file will not be available")
+    void managedBeansConfigParseFailed(VirtualFile facesConfig);
+
+    @LogMessage(level = WARN)
+    @Message(id = 12603, value = "Unknown JSF version '%s'.  Default version '%s' will be used instead.")
+    void unknownJSFVersion(String version, String defaultVersion);
+
+    @LogMessage(level = WARN)
+    @Message(id = 12604, value = "JSF version slot '%s' is missing from module %s")
+    void missingJSFModule(String version, String module);
+
+    @LogMessage(level = INFO)
+    @Message(id = 12605, value = "Activated the following JSF Implementations: %s")
+    void activatedJSFImplementations(List target); */
+}
diff --git a/subsystem/src/main/java/org/keycloak/subsystem/logging/KeycloakMessages.java b/subsystem/src/main/java/org/keycloak/subsystem/logging/KeycloakMessages.java
new file mode 100644
index 0000000..529049d
--- /dev/null
+++ b/subsystem/src/main/java/org/keycloak/subsystem/logging/KeycloakMessages.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.logging;
+
+import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
+import org.jboss.jandex.AnnotationTarget;
+import org.jboss.jandex.DotName;
+import org.jboss.logging.annotations.Cause;
+import org.jboss.logging.annotations.Message;
+import org.jboss.logging.annotations.MessageBundle;
+import org.jboss.logging.Messages;
+
+/**
+ * This interface to be fleshed out later when error messages are fully externalized.
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2012 Red Hat Inc.
+ */
+@MessageBundle(projectCode = "TLIP")
+public interface KeycloakMessages {
+
+    /**
+     * The messages
+     */
+    KeycloakMessages MESSAGES = Messages.getBundle(KeycloakMessages.class);
+/*
+    @Message(id = 12650, value = "Failed to load annotated class: %s")
+    String classLoadingFailed(DotName clazz);
+
+    @Message(id = 12651, value = "Annotation %s in class %s is only allowed on classes")
+    String invalidAnnotationLocation(Object annotation, AnnotationTarget classInfo);
+
+    @Message(id = 12652, value = "Instance creation failed")
+    RuntimeException instanceCreationFailed(@Cause Throwable t);
+
+    @Message(id = 12653, value = "Instance destruction failed")
+    RuntimeException instanceDestructionFailed(@Cause Throwable t);
+
+    @Message(id = 12654, value = "Thread local injection container not set")
+    IllegalStateException noThreadLocalInjectionContainer();
+
+    @Message(id = 12655, value = "@ManagedBean is only allowed at class level %s")
+    String invalidManagedBeanAnnotation(AnnotationTarget target);
+
+    @Message(id = 12656, value = "Default JSF implementation slot '%s' is invalid")
+    DeploymentUnitProcessingException invalidDefaultJSFImpl(String defaultJsfVersion);
+    */
+}
diff --git a/subsystem/src/main/resources/META-INF/services/org.jboss.as.controller.Extension b/subsystem/src/main/resources/META-INF/services/org.jboss.as.controller.Extension
new file mode 100644
index 0000000..6a7d631
--- /dev/null
+++ b/subsystem/src/main/resources/META-INF/services/org.jboss.as.controller.Extension
@@ -0,0 +1 @@
+org.keycloak.subsystem.extension.KeycloakExtension
diff --git a/subsystem/src/main/resources/org/keycloak/subsystem/extension/LocalDescriptions.properties b/subsystem/src/main/resources/org/keycloak/subsystem/extension/LocalDescriptions.properties
new file mode 100644
index 0000000..5234a32
--- /dev/null
+++ b/subsystem/src/main/resources/org/keycloak/subsystem/extension/LocalDescriptions.properties
@@ -0,0 +1,49 @@
+keycloak.subsystem=Keycloak subsystem
+keycloak.subsystem.add=Operation Adds Keycloak subsystem
+keycloak.subsystem.remove=Operation removes Keycloak subsystem
+keycloak.subsystem.realm=A Keycloak realm.
+
+keycloak.realm=A Keycloak realm.
+keycloak.realm.add=Add a realm definition to the subsystem.
+keycloak.realm.remove=Remove a realm from the subsystem.
+keycloak.realm.realm-public-key=TODO: fill in help text
+keycloak.realm.auth-server-url=TODO: fill in help text
+keycloak.realm.disable-trust-manager=TODO: fill in help text
+keycloak.realm.ssl-not-required=TODO: fill in help text
+keycloak.realm.allow-any-hostname=TODO: fill in help text
+keycloak.realm.truststore=TODO: fill in help text
+keycloak.realm.truststore-password=TODO: fill in help text
+keycloak.realm.connection-pool-size=TODO: fill in help text
+keycloak.realm.enable-cors=TODO: fill in help text
+keycloak.realm.client-keystore=TODO: fill in help text
+keycloak.realm.client-keystore-password=TODO: fill in help text
+keycloak.realm.client-key-password=TODO: fill in help text
+keycloak.realm.cors-max-age=TODO: fill in help text
+keycloak.realm.cors-allowed-headers=TODO: fill in help text
+keycloak.realm.cors-allowed-methods=TODO: fill in help text
+keycloak.realm.expose-token=TODO: fill in help text
+
+keycloak.realm.secure-deployment=A deployment secured by Keycloak
+
+keycloak.secure-deployment=A deployment secured by Keycloak
+keycloak.secure-deployment.add=Add a deployment to be secured by Keycloak
+keycloak.secure-deployment.remove=Remove a deployment to be secured by Keycloak
+keycloak.secure-deployment.resource=TODO: fill in help text
+keycloak.secure-deployment.use-resource-role-mappings=TODO: fill in help text
+keycloak.secure-deployment.credentials=TODO: fill in help text
+keycloak.secure-deployment.bearer-only=TODO: fill in help text
+keycloak.secure-deployment.enable-cors=TODO: fill in help text
+keycloak.secure-deployment.client-keystore=TODO: fill in help text
+keycloak.secure-deployment.client-keystore-password=TODO: fill in help text
+keycloak.secure-deployment.client-key-password=TODO: fill in help text
+keycloak.secure-deployment.cors-max-age=TODO: fill in help text
+keycloak.secure-deployment.cors-allowed-headers=TODO: fill in help text
+keycloak.secure-deployment.cors-allowed-methods=TODO: fill in help text
+keycloak.secure-deployment.expose-token=TODO: fill in help text
+
+keycloak.secure-deployment.credential=TODO: fill in help text
+
+keycloak.credential=TODO: fill in help text
+keycloak.credential.value=TODO: fill in help text
+keycloak.credential.add=TODO: fill in help text
+keycloak.credential.remove=TODO: fill in help text
\ No newline at end of file
diff --git a/subsystem/src/main/resources/schema/keycloak_1_0.xsd b/subsystem/src/main/resources/schema/keycloak_1_0.xsd
new file mode 100644
index 0000000..9cdbbba
--- /dev/null
+++ b/subsystem/src/main/resources/schema/keycloak_1_0.xsd
@@ -0,0 +1,89 @@
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
+            targetNamespace="urn:jboss:domain:keycloak:1.0"
+            xmlns="urn:jboss:domain:keycloak:1.0"
+            elementFormDefault="qualified"
+            attributeFormDefault="unqualified"
+            version="1.1">
+
+    <!-- The subsystem root element -->
+    <xs:element name="subsystem" type="subsystemType"/>
+
+    <xs:complexType name="subsystemType">
+        <xs:annotation>
+            <xs:documentation>
+                <![CDATA[
+                    The Keycloak subsystem, used to register deployments managed by Keycloak
+                ]]>
+            </xs:documentation>
+        </xs:annotation>
+        <xs:element name="realm" maxOccurs="unbounded" minOccurs="0" type="realm-type"/>
+
+    </xs:complexType>
+
+    <xs:complexType name="realm-type">
+        <xs:attribute name="name" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>The name of the realm.</xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:complexContent>
+            <xs:extension base="override-element-type">
+                <xs:element name="realm-public-key" type="xs:string" minOccurs="1" maxOccurs="1" use="required"/>
+                <xs:element name="auth-url" type="xs:string" minOccurs="1" maxOccurs="1" use="required"/>
+                <xs:element name="code-url" type="xs:string" minOccurs="1" maxOccurs="1" use="required"/>
+                <xs:element name="ssl-not-required" type="xs:boolean" minOccurs="0" maxOccurs="1" />
+                <xs:element name="allow-any-hostname" type="xs:boolean" minOccurs="0" maxOccurs="1" />
+                <xs:element name="disable-trust-manager" type="xs:boolean" minOccurs="0" maxOccurs="1" />
+                <xs:element name="truststore" type="xs:string" minOccurs="0" maxOccurs="1"/>
+                <xs:element name="truststore-password" type="xs:string" minOccurs="0" maxOccurs="1"/>
+                <xs:element name="connection-pool-size" type="xs:integer" minOccurs="0" maxOccurs="1"/>
+                <xs:choice maxOccurs="unbounded" minOccurs="0">
+                    <xs:element name="secure-deployment" maxOccurs="unbounded" minOccurs="0" type="secure-deployment-type"/>
+                </xs:choice>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+
+    <xs:complexType name="secure-deployment-type">
+        <xs:attribute name="name" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>The name of the deployment.</xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+        <xs:complexContent>
+            <xs:extension base="override-element-type">
+                <xs:element name="resource" type="xs:string" minOccurs="0" maxOccurs="1" use="required"/>
+                <xs:element name="use-resource-role-mappings" type="xs:boolean" minOccurs="0" maxOccurs="1" />
+                <xs:element name="bearer-only" type="xs:boolean" minOccurs="0" maxOccurs="1" />
+                <xs:element name="credential" maxOccurs="unbounded" minOccurs="0" type="xs:credential-type"/>
+            </xs:extension>
+        </xs:complexContent>
+    </xs:complexType>
+
+    <xs:complexType name="credential-type">
+        <xs:attribute name="name" type="xs:string" use="required">
+            <xs:annotation>
+                <xs:documentation>The name of the credential.</xs:documentation>
+            </xs:annotation>
+        </xs:attribute>
+    </xs:complexType>
+
+    <xs:complexType name="override-element-type">
+        <xs:annotation>
+            <xs:documentation>
+                <![CDATA[
+                    These elements can be declared at the realm level and overridden at the secure-deployment level.
+                ]]>
+            </xs:documentation>
+        </xs:annotation>
+        <xs:element name="enable-cors" type="xs:boolean" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="client-keystore" type="xs:string" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="client-keystore-password" type="xs:string" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="client-key-password" type="xs:string" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="cors-max-age" type="xs:integer" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="cors-allowed-headers" type="xs:string" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="cors-allowed-methods" type="xs:string" minOccurs="0" maxOccurs="1"/>
+        <xs:element name="expose-token" type="xs:boolean" minOccurs="0" maxOccurs="1"/>
+    </xs:complexType>
+
+</xs:schema>
diff --git a/subsystem/src/test/java/org/keycloak/subsystem/extension/RealmDefinitionTestCase.java b/subsystem/src/test/java/org/keycloak/subsystem/extension/RealmDefinitionTestCase.java
new file mode 100644
index 0000000..5cff75e
--- /dev/null
+++ b/subsystem/src/test/java/org/keycloak/subsystem/extension/RealmDefinitionTestCase.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+
+import org.jboss.dmr.ModelNode;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+
+
+/**
+ *
+ * @author Stan Silvert ssilvert@redhat.com (C) 2013 Red Hat Inc.
+ */
+public class RealmDefinitionTestCase {
+
+    private ModelNode model;
+
+    @Before
+    public void setUp() {
+        model = new ModelNode();
+        model.get("realm").set("demo");
+        model.get("resource").set("customer-portal");
+        model.get("realm-public-key").set("MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrVrCuTtArbgaZzL1hvh0xtL5mc7o0NqPVnYXkLvgcwiC3BjLGw1tGEGoJaXDuSaRllobm53JBhjx33UNv+5z/UMG4kytBWxheNVKnL6GgqlNabMaFfPLPCF8kAgKnsi79NMo+n6KnSY8YeUmec/p2vjO2NjsSAVcWEQMVhJ31LwIDAQAB");
+        model.get("auth-url").set("http://localhost:8080/auth-server/rest/realms/demo/tokens/login");
+        model.get("code-url").set("http://localhost:8080/auth-server/rest/realms/demo/tokens/access/codes");
+        model.get("expose-token").set(true);
+        ModelNode credential = new ModelNode();
+        credential.get("password").set("password");
+        model.get("credentials").set(credential);
+    }
+
+    @Test
+    public void testIsTruststoreSetIfRequired() throws Exception {
+        model.get("ssl-not-required").set(true);
+        model.get("disable-trust-manager").set(true);
+        Assert.assertTrue(RealmDefinition.validateTruststoreSetIfRequired(model));
+
+        model.get("ssl-not-required").set(true);
+        model.get("disable-trust-manager").set(false);
+        Assert.assertTrue(RealmDefinition.validateTruststoreSetIfRequired(model));
+
+        model.get("ssl-not-required").set(false);
+        model.get("disable-trust-manager").set(true);
+        Assert.assertTrue(RealmDefinition.validateTruststoreSetIfRequired(model));
+
+        model.get("ssl-not-required").set(false);
+        model.get("disable-trust-manager").set(false);
+        Assert.assertFalse(RealmDefinition.validateTruststoreSetIfRequired(model));
+
+        model.get("ssl-not-required").set(false);
+        model.get("disable-trust-manager").set(false);
+        model.get("truststore").set("foo");
+        Assert.assertFalse(RealmDefinition.validateTruststoreSetIfRequired(model));
+
+        model.get("ssl-not-required").set(false);
+        model.get("disable-trust-manager").set(false);
+        model.get("truststore").set("foo");
+        model.get("truststore-password").set("password");
+        Assert.assertTrue(RealmDefinition.validateTruststoreSetIfRequired(model));
+    }
+
+}
diff --git a/subsystem/src/test/java/org/keycloak/subsystem/extension/SubsystemParsingTestCase.java b/subsystem/src/test/java/org/keycloak/subsystem/extension/SubsystemParsingTestCase.java
new file mode 100644
index 0000000..090feb1
--- /dev/null
+++ b/subsystem/src/test/java/org/keycloak/subsystem/extension/SubsystemParsingTestCase.java
@@ -0,0 +1,175 @@
+/*
+ * Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
+ * as indicated by the @author tags. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package org.keycloak.subsystem.extension;
+
+
+import junit.framework.Assert;
+import org.jboss.as.controller.PathAddress;
+import org.jboss.as.controller.PathElement;
+import org.jboss.as.subsystem.test.AbstractSubsystemTest;
+import org.jboss.as.subsystem.test.KernelServices;
+import org.jboss.dmr.ModelNode;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.DESCRIBE;
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
+import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.SUBSYSTEM;
+
+
+/**
+ * Tests all management expects for subsystem, parsing, marshaling, model definition and other
+ * Here is an example that allows you a fine grained controller over what is tested and how. So it can give you ideas what can be done and tested.
+ * If you have no need for advanced testing of subsystem you look at {@link SubsystemBaseParsingTestCase} that testes same stuff but most of the code
+ * is hidden inside of test harness
+ *
+ * @author <a href="kabir.khan@jboss.com">Kabir Khan</a>
+ */
+public class SubsystemParsingTestCase extends AbstractSubsystemTest {
+
+    public SubsystemParsingTestCase() {
+        super(KeycloakExtension.SUBSYSTEM_NAME, new KeycloakExtension());
+    }
+
+    @Test
+    public void testJson() throws Exception {
+        ModelNode node = new ModelNode();
+        node.get("realm").set("demo");
+        node.get("resource").set("customer-portal");
+        node.get("realm-public-key").set("MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrVrCuTtArbgaZzL1hvh0xtL5mc7o0NqPVnYXkLvgcwiC3BjLGw1tGEGoJaXDuSaRllobm53JBhjx33UNv+5z/UMG4kytBWxheNVKnL6GgqlNabMaFfPLPCF8kAgKnsi79NMo+n6KnSY8YeUmec/p2vjO2NjsSAVcWEQMVhJ31LwIDAQAB");
+        node.get("auth-url").set("http://localhost:8080/auth-server/rest/realms/demo/tokens/login");
+        node.get("code-url").set("http://localhost:8080/auth-server/rest/realms/demo/tokens/access/codes");
+        node.get("ssl-not-required").set(true);
+        node.get("expose-token").set(true);
+        ModelNode credential = new ModelNode();
+        credential.get("password").set("password");
+        node.get("credentials").set(credential);
+
+        System.out.println("json=" + node.toJSONString(false));
+    }
+    /**
+     * Tests that the xml is parsed into the correct operations
+     */
+    @Test
+    public void testParseSubsystem() throws Exception {
+        //Parse the subsystem xml into operations
+        String subsystemXml =
+                "<subsystem xmlns=\"" + KeycloakExtension.NAMESPACE + "\">" +
+                        "</subsystem>";
+        List<ModelNode> operations = super.parse(subsystemXml);
+
+        ///Check that we have the expected number of operations
+        Assert.assertEquals(1, operations.size());
+
+        //Check that each operation has the correct content
+        ModelNode addSubsystem = operations.get(0);
+        Assert.assertEquals(ADD, addSubsystem.get(OP).asString());
+        PathAddress addr = PathAddress.pathAddress(addSubsystem.get(OP_ADDR));
+        Assert.assertEquals(1, addr.size());
+        PathElement element = addr.getElement(0);
+        Assert.assertEquals(SUBSYSTEM, element.getKey());
+        Assert.assertEquals(KeycloakExtension.SUBSYSTEM_NAME, element.getValue());
+    }
+
+    /**
+     * Test that the model created from the xml looks as expected
+     */
+    @Test
+    public void testInstallIntoController() throws Exception {
+        //Parse the subsystem xml and install into the controller
+        String subsystemXml =
+                "<subsystem xmlns=\"" + KeycloakExtension.NAMESPACE + "\">" +
+                        "</subsystem>";
+        KernelServices services = super.installInController(subsystemXml);
+
+        //Read the whole model and make sure it looks as expected
+        ModelNode model = services.readWholeModel();
+        Assert.assertTrue(model.get(SUBSYSTEM).hasDefined(KeycloakExtension.SUBSYSTEM_NAME));
+    }
+
+    /**
+     * Starts a controller with a given subsystem xml and then checks that a second
+     * controller started with the xml marshalled from the first one results in the same model
+     */
+    @Test
+    public void testParseAndMarshalModel() throws Exception {
+        //Parse the subsystem xml and install into the first controller
+        //TODO: Figure out why this fails
+        String subsystemXml =
+                "<subsystem xmlns=\"" + KeycloakExtension.NAMESPACE + "\">" +
+                        "</subsystem>";
+        KernelServices servicesA = super.installInController(subsystemXml);
+        //Get the model and the persisted xml from the first controller
+        ModelNode modelA = servicesA.readWholeModel();
+        String marshalled = servicesA.getPersistedSubsystemXml();
+
+        //Install the persisted xml from the first controller into a second controller
+        KernelServices servicesB = super.installInController(marshalled);
+        ModelNode modelB = servicesB.readWholeModel();
+
+        //Make sure the models from the two controllers are identical
+        super.compare(modelA, modelB);
+    }
+
+    /**
+     * Starts a controller with the given subsystem xml and then checks that a second
+     * controller started with the operations from its describe action results in the same model
+     */
+    @Test
+    public void testDescribeHandler() throws Exception {
+        //Parse the subsystem xml and install into the first controller
+        String subsystemXml =
+                "<subsystem xmlns=\"" + KeycloakExtension.NAMESPACE + "\">" +
+                        "</subsystem>";
+        KernelServices servicesA = super.installInController(subsystemXml);
+        //Get the model and the describe operations from the first controller
+        ModelNode modelA = servicesA.readWholeModel();
+        ModelNode describeOp = new ModelNode();
+        describeOp.get(OP).set(DESCRIBE);
+        describeOp.get(OP_ADDR).set(
+                PathAddress.pathAddress(
+                        PathElement.pathElement(SUBSYSTEM, KeycloakExtension.SUBSYSTEM_NAME)).toModelNode());
+        List<ModelNode> operations = super.checkResultAndGetContents(servicesA.executeOperation(describeOp)).asList();
+
+
+        //Install the describe options from the first controller into a second controller
+        KernelServices servicesB = super.installInController(operations);
+        ModelNode modelB = servicesB.readWholeModel();
+
+        //Make sure the models from the two controllers are identical
+        super.compare(modelA, modelB);
+    }
+
+    /**
+     * Tests that the subsystem can be removed
+     */
+    @Test
+    public void testSubsystemRemoval() throws Exception {
+        //Parse the subsystem xml and install into the first controller
+        String subsystemXml =
+                "<subsystem xmlns=\"" + KeycloakExtension.NAMESPACE + "\">" +
+                        "</subsystem>";
+        KernelServices services = super.installInController(subsystemXml);
+        //Checks that the subsystem was removed from the model
+        super.assertRemoveSubsystemResources(services);
+
+        //TODO Chek that any services that were installed were removed here
+    }
+}