Apache SkyWalking Cloud on Kubernetes release guide

This documentation guides the release manager to release the SkyWalking Cloud on Kubernetes in the Apache Way, and also helps people to check the release for vote.

Prerequisites

Close(if finished, or move to next milestone otherwise) all issues in the current milestone from skywalking-swck and skywalking, create a new milestone if needed.
Update CHANGES.md.
Update image tags of adapter and operator.

Add your GPG public key to Apache svn

Log in id.apache.org and submit your key fingerprint.
Add your GPG public key into SkyWalking GPG KEYS file, you can do this only if you are a PMC member. You can ask a PMC member for help. DO NOT override the existed KEYS file content, only append your key at the end of the file.

Build and sign the source code package

export VERSION=<the version to release>
git clone git@github.com:apache/skywalking-swck && cd skywalking-swck
git tag -a "v$VERSION" -m "Release Apache SkyWalking Cloud on Kubernetes $VERSION"
git push --tags
make clean && make release

The skywalking-swck-${VERSION}-bin.tgz, skywalking-swck-${VERSION}-src.tgz, and their corresponding asc, sha512. In total, six files should be automatically generated in the directory.

Upload to Apache svn

svn co https://dist.apache.org/repos/dist/dev/skywalking/
mkdir -p skywalking/swck/"$VERSION"
cp skywalking-swck/build/release/skywalking-swck*.tgz skywalking/swck/"$VERSION"
cp skywalking-swck/build/release/skywalking-swck*.tgz.asc skywalking/swck/"$VERSION"
cp skywalking-swck/build/release/skywalking-swck*.tgz.sha512 skywalking/swck/"$VERSION"

cd skywalking/swck && svn add "$VERSION" && svn commit -m "Draft Apache SkyWalking-SWCK release $VERSION"

Make the internal announcement

Send an announcement email to dev@ mailing list.

Subject: [ANNOUNCEMENT] SkyWalking Cloud on Kubernetes $VERSION test build available

Content:

The test build of SkyWalking Cloud on Kubernetes $VERSION is now available.

We welcome any comments you may have, and will take all feedback into
account if a quality vote is called for this build.

Release notes:

 * https://github.com/apache/skywalking-swck/blob/$VERSION/CHANGES.md

Release Candidate:

 * https://dist.apache.org/repos/dist/dev/skywalking/swck/$VERSION
 * sha512 checksums
   - sha512xxxxyyyzzz apache-skywalking-swck-bin-x.x.x.tgz
   - sha512xxxxyyyzzz apache-skywalking-swck-src-x.x.x.tgz

Release Tag :

 * (Git Tag) v$VERSION

Release Commit Hash :

 * https://github.com/apache/skywalking-swck/tree/<Git Commit Hash>

Keys to verify the Release Candidate :

 * https://dist.apache.org/repos/dist/release/skywalking/KEYS

Guide to build the release from source :

 * https://github.com/apache/skywalking-swck/blob/$VERSION/docs/operator.md#build-from-sources
 * https://github.com/apache/skywalking-swck/blob/$VERSION/docs/custom-metrics-adapter.md#use-kustomize-to-customise-your-deployment
 * https://github.com/apache/skywalking-swck/blob/$VERSION/docs/release.md

A vote regarding the quality of this test build will be initiated
within the next couple of days.

Wait at least 48 hours for test responses

Any PMC, committer or contributor can test features for releasing, and feedback. Based on that, PMC will decide whether to start a vote or not.

Call for vote in dev@ mailing list

Call for vote in dev@skywalking.apache.org

Subject: [VOTE] Release Apache SkyWalking Cloud on Kubernetes version $VERSION

Content:

Hi the SkyWalking Community:
This is a call for vote to release Apache SkyWalking Cloud on Kubernetes version $VERSION.

Release notes:

 * https://github.com/apache/skywalking-swck/blob/$VERSION/CHANGES.md

Release Candidate:

 * https://dist.apache.org/repos/dist/dev/skywalking/swck/$VERSION
 * sha512 checksums
   - sha512xxxxyyyzzz apache-skywalking-swck-src-x.x.x.tgz
   - sha512xxxxyyyzzz apache-skywalking-swck-bin-x.x.x.tgz

Release Tag :

 * (Git Tag) $VERSION

Release Commit Hash :

 * https://github.com/apache/skywalking-swck/tree/<Git Commit Hash>

Keys to verify the Release Candidate :

 * https://dist.apache.org/repos/dist/release/skywalking/KEYS

Guide to build the release from source :

 * https://github.com/apache/skywalking-swck/blob/$VERSION/docs/release.md

Voting will start now and will remain open for at least 72 hours, all PMC members are required to give their votes.

[ ] +1 Release this package.
[ ] +0 No opinion.
[ ] -1 Do not release this package because....

Thanks.

[1] https://github.com/apache/skywalking/blob/master/docs/en/guides/How-to-release.md#vote-check

Vote Check

All PMC members and committers should check these before voting +1:

Features test.
All artifacts in staging repository are published with .asc, .md5, and sha files.
Source codes and distribution packages (apache-skywalking-swck-{src,bin}-$VERSION.tgz) are in https://dist.apache.org/repos/dist/dev/skywalking/swck/$VERSION with .asc, .sha512.
LICENSE and NOTICE are in source codes and distribution package.
Check shasum -c apache-skywalking-swck-{src,bin}-$VERSION.tgz.sha512.
Check GPG signature. Download KEYS and import them by curl https://www.apache.org/dist/skywalking/KEYS -o KEYS && gpg --import KEYS. Check gpg --batch --verify apache-skywalking-swck-{src,bin}-$VERSION.tgz.asc apache-skywalking-swck-{src,bin}-$VERSION.tgz
Build distribution from source code package by following this the build guide.
Licenses header check.

Vote result should follow these:

PMC vote is +1 binding, all others is +1 no binding.
Within 72 hours, you get at least 3 (+1 binding), and have more +1 than -1. Vote pass.

Send the closing vote mail to announce the result. When count the binding and no binding votes, please list the names of voters. An example like this:

[RESULT][VOTE] Release Apache SkyWalking Cloud on Kubernetes version $VERSION
   
3 days passed, we’ve got ($NUMBER) +1 bindings:
xxx
xxx
xxx
...
(list names)
    
I’ll continue the release process.

Publish release

Move source codes tar balls and distributions to https://dist.apache.org/repos/dist/release/skywalking/, you can do this only if you are a PMC member.

export SVN_EDITOR=vim
svn mv https://dist.apache.org/repos/dist/dev/skywalking/swck/$VERSION https://dist.apache.org/repos/dist/release/skywalking/swck
# ....
# enter your apache password
# ....

Remove last released tar balls from https://dist.apache.org/repos/dist/release/skywalking
Refer to the previous PR, update news and links on the website. There are seven files need to modify.
Update Github release page, follow the previous convention.

Send ANNOUNCE email to dev@skywalking.apache.org and announce@apache.org, the sender should use his/her Apache email account. You can get the permlink of vote thread at here.

Subject: [ANNOUNCEMENT] Apache SkyWalking Cloud on Kubernetes $VERSION Released

Content:

Hi the SkyWalking Community

On behalf of the SkyWalking Team, I’m glad to announce that SkyWalking Cloud on Kubernetes $VERSION is now released.

SkyWalking Cloud on Kubernetes: A bridge platform between Apache SkyWalking and Kubernetes.

SkyWalking: APM (application performance monitor) tool for distributed systems, especially designed for microservices, cloud native and container-based (Docker, Kubernetes, Mesos) architectures.

Vote Thread: $VOTE_THREAD_PERMALINK

Download Links: https://skywalking.apache.org/downloads/

Release Notes : https://github.com/apache/skywalking-swck/blob/$VERSION/CHANGES.md

Website: https://skywalking.apache.org/

SkyWalking Cloud on Kubernetes Resources:
- Issue: https://github.com/apache/skywalking/issues
- Mailing list: dev@skywalkiing.apache.org
- Documents: https://github.com/apache/skywalking-swck/blob/$VERSION/README.md

The Apache SkyWalking Team

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