azkaban-aplcache

Refactor Emailer.java (#1580) Create a sendEmail method …

to be used more generally not just limited to failure/success/sla emails. This method will be used by Flow trigger to alert user on flow trigger failure with customized email subject/body.
Since currently Emailer.java can only be tested via integration test, I didn't write unit test but verified by sending a email with the new method in local mode.

fix typo (#1575)

Enhance retry logic for sending emails. (#1573)

Temporary fix for startup failure (#1569) (#1570) * Temporary …

fix for startup failure (#1569)

Issue #1569: "Startup fails: missing tables that need to be installed: quartz-tables-all"

Fix issue #1559: Error writing out logs for job on a retry attempt …

(#1560)

Fix #1559.

After making attempt volatile, attempt++ had to be synchronized because of this check:
http://errorprone.info/bugpattern/NonAtomicVolatileUpdate

Flow 2.0 design - Load flow trigger from YAML file. (#1558) * …

Load flow trigger from YAML file.

* Address comments.

* support no triggerDependencies or params.

Create a job setting to enable leveraging custom credential …

provider (#1556)

* commit 1

* commit 2

* remove redundant code

This PR is a follow-up of #1552 . We create a job setting "azkaban.job.enable.ssl". When it is enabled, we use Java reflection to initialize the credential provider object, and run the method.

Resolve properties for flow executions. (#1554)

merge duplicate getProjectName code into a util class (#1550) Multiple …

duplicate getProjectName implementation are consolidated into a util class, which will be used by flow trigger(#1526) UI as well.

Update Utils.java (#1555) delimiter is not always comma.