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Deliver Release Artifacts

Way of Working in Gerrit


Step
ActionResultsExamples
1
Update release notesRelease notes available on https://docs.onap.org/projects/onap-cps/en/latest/release-notes.html

Change 123658


2

Update read-the-docs copies of openapi documentation e.g. for CPS-Core:

copy openapi.yaml
/cps-rest/target/generated-sources/swagger/openapi.yaml → /docs/api/swagger/cps/openapi.yaml
/cps-ncmp-rest/target/generated-sources/swagger/openapi.yaml → /docs/api/swagger/ncmp/openapi.yaml

For DMI-Plugin:

copy openapi.yaml
ncmp-dmi-plugin/src/target/generated-sources/swagger/openapi.yaml → /docs/openapi/openapi.yaml

Note 1. Run mvn clean install locally first to get required files in target subfolders

Note 2. This step can be skipped if there are no OPEN API changes

Latest (amalgamated) openapi.yaml available in read-the-docs
3
Go to latest Gerrit merged review of repo and comment 'stage-release'
  • maven-stage Jenkins job is triggered
  • maven-docker-stage Jenkins job is triggered
  • Maven artifacts are published to Nexus 2 autorelease repository
  • Docker images are published to Nexus 3 registry
  • Change 124884
  • Job maven-stage-master 145
  • Job maven-docker-stage-master 145


4

Add and merge 'x.y.z.yaml' file to releases folder of the repository root.

It describes the release and refers to maven-stage job previously ran.

Note: This step is ignored for CPS Temporal (no Maven artifact delivered)

Note. this file should NOT contain 'tag_release=false'

Maven artifacts are published to maven release repository
5

Add and merge 'x.y.z-container.yaml' file to releases folder of the repository root.

It describes the release and refers to maven-docker-stage job previously ran.
Set "ref" to the (full) SHA of the last git commit or the commit of the stage release
Note opinions difference what commit it should be exactly , fact is the ref. value is for  '(future) reference only' The process will complete either way and which commit exactly is bring referred too is quiet moot (not important)

Take the latest built image, retag it without the timestamp :

e.g. SO release file

container_release_tag: '1.1.0'
...
...
containers:
    - name: 'cps-and-ncmp'
      version: '1.1.0-SNAPSHOT-20210609T102555Z'
Docker image is published to docker release repository
6

Prepare the next drop by bumping patch version (3rd digit)

  • In pom files, set to x.y.z-SNAPSHOT by running "mvn versions:set -DnewVersion=<snapshot version>"
  • In version.properties, set to x.y.z

7

Update https://gerrit.onap.org/r/q/project:oom with the release specific changes: 
Note. Use [CPS] prefix for OOM commit message

  • Update /kubernetes/cps/values.yaml with new image versions
  • Update /kubernetes/cps/resources/config/application.yml if properties need to be added or updated.

Before pushing changes to the release-specific OOM branch, it is required to push them to master first. If it can not be done, then specify a reason in the release-specific change (for example, image version number is branch specific and it is expected that it could be different in master branch and release branch).


8Only when BranchingCreate the (previous) release branch in Gerrit for the version you are releasing e.g. 'istanbul'. 
Has to be done manually (e.g. here: https://gerrit.onap.org/r/admin/repos/cps,branches)  by users with committer rights. 
https://gerrit.onap.org/r/admin/repos/cps,branches
9

On (previous) release (e.g. istanbul) branch:

  •  update ".gitreview" (change "defaultbranch" value)

10

On Master branch increase Minor version of Master branch (2nd digit)

  • In pom files, set to x.y.z-SNAPSHOT by running "mvn versions:set -DnewVersion=<snapshot version>"
  • In version.properties, set to x.y.z

11

In ci-management repo, configure new Jenkins jobs for the release branch by adding a new release stream to the project. e.g. https://gerrit.onap.org/r/c/ci-management/+/118868/1/jjb/cps/cps.yaml



Steps to Deliver Release Patches

  1. Decide with team if a bug should be dropped back to previous release or not, consider things like (use fix-version field in Jira to indicate this)
    1. bug was reported by user of previous release (easy decision (smile))
    2. bug exposes behavior that was not in line with acceptance criteria for a user story that was delivered in previous release
  2. Make the fix and have it merged in master branch
    1. use minimal code to avoid merge/drop back issues
    2. specific test for bug fix should be included where possible
  3. Cherry pick the fix from master branch to release branch
    1. From Gerrit:
      1. Navigate to ... / Cherry Pick
      2. Fill the form with the release branch name (honolulu) in "Cherry Pick to branch" field and click "Cherry Pick"


    2. Using local branch (to resolve cherry-pick conflicts):
      1. Create local branch from honolulu  (create branch & switch to branch)
      2. Cherry-pick commit from master branch
      3. Resolve conflicts
      4. Continue cherry-pick (git cherry-pick --continue)
      5. git push origin HEAD:refs/for/honolulu (or git review)
  4. Review patch by peers as normal
    1. Ensure that Gerrit merge requests both in master and release branches have the same Change-Id value (ex: https://gerrit.onap.org/r/q/Ia58a8dfcf427e373b24bb3be7436abf6abd55492). Then, related fixes can be easily filtered and clicking on the Change-Id from one change provides the list of all related ones.
  5. Update Release version in a separate commit if and when required
    A few bugs can be combined in one patch.
    Release notes doc should be updated too
    Typically only the 'patch' number (last digit) should be increased. See also
    1. Release Versioning Strategy (proposal for Honolulu)
    2. ONAP API Common Versioning Strategy (CVS) Guidelines
  6. Once the fix is in release branch, deliver releases artifacts from release branch as described in previous section.

References

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