That sounds like a problem with geode-examples regardless of whether we use 
-SNAPSHOT or -build.123 … we should replace the 24hr trigger with a 
maven-resource trigger (nulldriver, linkyard, or similar)

> On Apr 27, 2020, at 4:34 PM, Robert Houghton <rhough...@pivotal.io> wrote:
> 
> @Owen: What geode-examples is doing, is a perfect case study of the wrong
> behaviors predicated on 'SNAPSHOT' with Concourse.
> 
> Concourse CI is built on repeatable builds with defined input. The current
> CI for examples is using a 24hr trigger because it has no valid dependency
> on the Geode develop pipeline.
> 
> 
> On Mon, Apr 27, 2020 at 3:55 PM Owen Nichols <onich...@pivotal.io> wrote:
> 
>> Sounds good to me, based on the repeatability argument.  Will the build
>> number output by gfsh version --full match the maven artifact spec?
>> 
>> I am unclear what geode-examples has to do with this.  Aside from
>> repeatability, there is no reason geode-examples should be having any
>> problem with -SNAPSHOT.  As far as I can tell, geode-examples develop is
>> correctly resolving geodeDistribution from
>> org.apache.geode:apache-geode:1.13.0-SNAPSHOT, and geode-examples master is
>> correctly resolving geodeDistribution from
>> org.apache.geode:apache-geode:1.12.0
>> 
>>> On Apr 27, 2020, at 3:41 PM, Anthony Baker <aba...@pivotal.io> wrote:
>>> 
>>> @Robert, can you show some examples of what the build number would be
>> under this proposal?  Does 1.13.0-SNAPSHOT become 1.13.0.N where N
>> increments every build?
>>> 
>>> Seems reasonable.  Since the consumers of pre-release artifacts are
>> either a) this project or b) close related projects for
>> integration-testing-purposes-only I’m not super worried about the ugly
>> syntax.
>>> 
>>> 
>>> Anthony
>>> 
>>> 
>>>> On Apr 27, 2020, at 3:25 PM, Jacob Barrett <jbarr...@pivotal.io> wrote:
>>>> 
>>>> It is unfortunate that the Maven/Gradle community hasn’t addressed this
>> glaring issue with SNAPSHOT for decades now (well maybe not decades but
>> certainly decade). It is also unfortunate that the Maven version coordinate
>> is ugly. Aside from that I am totally onboard. Yay for reproducible builds
>> and predictable downstream builds!
>>>> 
>>>> With SNAPSHOTS in a repo the repository automatically prunes back old
>> builds. Do we have any concerns about having a plethora of builds filling
>> up this new pre-release repository?
>>>> 
>>>> -Jake
>>>> 
>>>>> On Apr 27, 2020, at 3:21 PM, Robert Houghton <rhough...@pivotal.io>
>> wrote:
>>>>> 
>>>>> Hello to the community,
>>>>> 
>>>>> tl;dr - Lets publish builds, not snapshots, for repeatable CI builds,
>> as
>>>>> GEODE-8016[1]. Communicate desired artifact version via the existing
>>>>> 'UpdatePassingTokens' job.
>>>>> 
>>>>> I have been working on the Geode build and CI systems for a long time,
>> and
>>>>> it has irked me that the geode-examples pipeline[2] does not build and
>> test
>>>>> against the latest artifacts from the develop pipeline. Some work has
>> been
>>>>> done already to allow this via "composite" builds for local testing
>> without
>>>>> needing to publish Geode to your local Maven repository.
>>>>> 
>>>>> From a Concourse CI perspective, composite builds are costly due to the
>>>>> rebuild of the upstream artifacts. They allow repeatable builds, but
>> only
>>>>> by rebuilding those dependencies. Better would be to point to upstream
>>>>> artifacts as concrete build versions. SNAPSHOT builds can and do roll
>>>>> (invisibly) as new versions are published. Discrete, numbered builds do
>>>>> not. Downstream consumers can use greedy version specifiers to get
>> their
>>>>> current behavior of "latest".
>>>>> 
>>>>> Gradle: 'org.apache.geode:geode-core:1.13.0+'
>>>>> Maven: '<groupId>org.apache.geode</group>'
>>>>>          '<artifactId>geode-core</name>'
>>>>>          '<version>[1.13.0,1.14.0)</version>'
>>>>> 
>>>>> What do you all think? Discuss!
>>>>> -Robert Houghton
>>>>> 
>>>>> [1] https://issues.apache.org/jira/browse/GEODE-8016
>>>>> [2]
>>>>> 
>> https://concourse.apachegeode-ci.info/teams/main/pipelines/apache-develop-examples
>>>> 
>>> 
>> 
>> 

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