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From Casey Stella <ceste...@gmail.com>
Subject Re: [Discuss] SIDELOADING PARSERS: Parsers as components
Date Fri, 10 Mar 2017 19:44:52 GMT
I'm a little concerned about this increasing the size and length of the
build due to the repeated shading.  Should we figure out a way to deploy
jars with provided dependencies on metron-parser-common as suggested in the
previous JIRAs first?

On Fri, Mar 10, 2017 at 2:31 PM, Matt Foley <mfoley@hortonworks.com> wrote:

> It sounds like:
> - This is a self-contained chunk of work, that can be tested, reviewed,
> and committed on its own, then the other ideas you propose can follow it.
> - It crosses a lot of lines, and restructures a lot of code, so will “rot”
> fairly quickly as other people make commits, so if possible you should get
> a PR out there and we should work through it as soon as possible.
> Are those both true?
>
> How do other people feel about grouping a given sensor’s parser, enricher,
> indexing logic all together?  It seems to have multiple advantages are
> there also disadvantages?
>
> On 3/10/17, 6:31 AM, "Otto Fowler" <ottobackwards@gmail.com> wrote:
>
>     As previously discussed here, I have been working on side loading of
>     parsers.  The goals of this work are:
>     * Make it possible of developers to create, maintain and deploy parsers
>     outside of the Metron code tree and not have to fork
>     * Create maven archetype support for developers of parsers
>     * Introduce a parser ‘lifecycle’ to support multiple instances and
>     configurations, states of being installed, under configuration, and
> deployed
>     etc.
>
>     I would like to have some discussion based on where I am after rebasing
>     onto METRON-671 which revamps deployment to be totally ambari based.
>
>
>     Parsers as components:
>
>     I have all the parsers broken out into individual packages/rpms/jars.
>     What I have done is taken metron-parsers and broken it out to:
>
>     * metron-parsers-common
>     * This has all the base classes and interfaces, common testing
> components
>     etc
>     * metron-parser-base
>     * This has the Grok, CSV, and JsonMap parsers and support
>     * metron-parser-X
>     * A module per parser type which we currently have in the system
>     * Each parser has all the indexing, enrichment and parser
> configurations
>     for that parser in its package
>
>     I will go into packaging and deployment issues in another email.
>
>     I have this all working:
>     * the parsers are built
>     * the parsers are tested
>     * the parsers are integrated into the deployment build such that
> vagrant up
>     just works as previously in full and quick dev
>     * maven component of rpm docker
>       * the metron.spec file
>     * ambari installation
>     * zookeeper configuration deployment
>     * the ambari parser service code
>     * the Rest interface works
>     * see all installed parser configurations etc
>
>
>     So this part of the work, is I think ready for a PR and review/next
> steps
>     on it’s own.
>
>     I think that it sets up the components and is a base for building out
> the
>     rest of the functionality we want.
>
>
>

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