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From merrimanr <>
Subject [GitHub] metron pull request #711: METRON-1127: Add ability to escalate alerts for ex...
Date Wed, 23 Aug 2017 13:32:47 GMT
GitHub user merrimanr opened a pull request:

    METRON-1127: Add ability to escalate alerts for external consumption

    ## Contributor Comments
    This PR exposes a way to put alerts (or any message) into a configurable escalation Kafka
topic.  In summary:
    - Adds a "metron_escalation_topic" parameter to MPack and Spring property file
    - Provides a default value and sets up the topic upon MPack installation
    - Adds a new AlertController for this and future alert-related functions
    - Adds a producer to the Kafka service and controller
    - Adds and updates the appropriate unit and integration tests, including making the KafkaControllerIntegrationTest
    - Adds documentation to the README
    This can be tested in full dev with Swagger by first ensuring the "escalation" topic is
automatically created and showing up in the list of topics (use the "/api/v1/kafka/topic"
endpoint).  Next use "/api/v1/alert/escalate" endpoint in the alert-controller to escalate
an alert, you should receive a 200 response code.  Finally get the latest message from the
Kafka "escalation" topic with "/api/v1/kafka/topic/{name}/sample" endpoint.  You should get
the same message that you escalated in the previous step.
    ## Pull Request Checklist
    Thank you for submitting a contribution to Apache Metron.  
    Please refer to our [Development Guidelines](
for the complete guide to follow for contributions.  
    Please refer also to our [Build Verification Guidelines](
for complete smoke testing guides.  
    In order to streamline the review of the contribution we ask you follow these guidelines
and ask you to double check the following:
    ### For all changes:
    - [x] Is there a JIRA ticket associated with this PR? If not one needs to be created at
[Metron Jira](

    - [x] Does your PR title start with METRON-XXXX where XXXX is the JIRA number you are
trying to resolve? Pay particular attention to the hyphen "-" character.
    - [x] Has your PR been rebased against the latest commit within the target branch (typically
    ### For code changes:
    - [x] Have you included steps to reproduce the behavior or problem that is being changed
or addressed?
    - [x] Have you included steps or a guide to how the change may be verified and tested
    - [x] Have you ensured that the full suite of tests and checks have been executed in the
root metron folder via:
      mvn -q clean integration-test install && build_utils/ 
    - [x] Have you written or updated unit tests and or integration tests to verify your changes?
    - [x] If adding new dependencies to the code, are these dependencies licensed in a way
that is compatible for inclusion under [ASF 2.0](

    - [x] Have you verified the basic functionality of the build by building and running locally
with Vagrant full-dev environment or the equivalent?
    ### For documentation related changes:
    - [x] Have you ensured that format looks appropriate for the output in which it is rendered
by building and verifying the site-book? If not then run the following commands and the verify
changes via `site-book/target/site/index.html`:
      cd site-book
      mvn site
    #### Note:
    Please ensure that once the PR is submitted, you check travis-ci for build issues and
submit an update to your PR as soon as possible.
    It is also recommended that [travis-ci]( is set up for your personal
repository such that your branches are built there before submitting a pull request.

You can merge this pull request into a Git repository by running:

    $ git pull METRON-1127

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #711
commit 5f8f49cff4050b57a07347be6f2fe6ce131494c9
Author: merrimanr <>
Date:   2017-08-22T19:54:19Z

    initial commit


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