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RELEASE.md

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Releasing the Agent

To release the agent make sure you have the following configured on your workstation. We will ideally make this released by CircleCI or Jenkins at some point but for now the process is manual.

Setup

  1. Install the AWS CLI.

  2. Request prod access via slack and the splunkcloud_account_power role with okta-aws-setup us0.

  3. Install Python tools to update the Python package in the python/ directory if it has changed since the last release:

    $ pip install --user keyring twine setuptools wheel

    Then set your password for Pypi by running the following command:

    $ keyring set https://upload.pypi.org/legacy/ your-username

  4. Ensure you have access to the o11y-gdi/signalfx-agent-releaser gitlab repo and CI/CD pipeline.

  5. Ensure you have access to the Red Hat Container Certification Project, the project ID, and a personal API key. See here for details on how to create a personal API key.

  6. Clone the integrations repository for documentation updates.

  7. Clone the product docs repository from GitLab (observability/docs/product-docs).

Release Process

  1. Make sure everything that go out in the release is in the main branch. If so, checkout the main branch locally and ensure you are up to date with Github.

  2. Examine the differences since the last release. The simplest way to do this is to go to the releases page and click on the link for " commits to main since this release" for the last release. This will give you a commit list and diff in the browser.

    You can also do git cherry -v <last release tag> to see the commit summaries.

  3. Determine the next release version. If this is a very simple, non-breaking change or a simple addition to existing functionality, a patch release may be appropriate (i.e. only the last number of the version is incremented). If there are any breaking changes, it should be at least a minor release (i.e. the second number of the version increments and the last number resets to 0), if not a major release (where the first # of a release increments and the second and third component reset to 0). Major releases should be reserved for only very major breaking changes that are of high value.

    We roughly follow semver, but not terribly strictly and with the additional consideration that we are not only considering an "API" but also MTSs. For example, if you are going to make a change that would add a new dimension to existing metrics, given the same configuration, this is considered a breaking change since it would result in new MTSs in the backend.

  4. Update the deployment versions with the new version determined from the previous step (without the v) and commit/push the changes:

    $ ./scripts/update-deployments-version <version>

  5. If the Helm assets have changed (apart from the agent version updates from the previous step), bump the chart version number in Chart.yaml and commit/push the changes. This can be determined by checking to see if any changes have been made in the Helm directory.

  6. Once you know the next release version, create an annotation tag of the form v<version> where <version> is that version. E.g. a release of 2.5.2 would need a tag v2.5.2. Annotated tags are created by passing the -a flag to git tag:

    $ git tag -a v2.5.2

    This will open your configured text editor and let you write the annotation. This should be of the form (assuming you are releasing version 2.5.2):

    2.5.2

- Did something to the agent
- Fixed this bug

Breaking Changes:

- This thing won't work anymore

    If there are no breaking changes, you can omit that section.

    Then push that tag with git push --tags.

  7. Wait for the o11y-gdi/signalfx-agent-releaser gitlab repo to be synced with the new tag (may take up to 30 minutes). The CI/CD pipeline will then trigger automatically for the new tag.

    • If you have Maintainer permissions or above, you can trigger the sync immediately. Go to Settings -> Repository -> Mirroring repositories -> Click button to update existing mirrored repository

  8. Ensure that the build and release jobs in gitlab for the tag are successful (may take over 30 minutes to complete).

    1. Ensure that the Github Release for the tag was created and the linux tar.gz bundle, windows zip bundle, and windows MSI were uploaded.
    2. Ensure that the quay.io/signalfx/signalfx-agent:<version> image was built and pushed.
    3. Ensure that the quay.io/signalfx/signalfx-agent:<version>-windows image was built and pushed.
    4. Ensure that the choco package was pushed to chocolatey. Some jobs may take a day or two to be started.
    5. Ensure that https://dl.signalfx.com/windows/release/msi/SignalFxAgent-<version>-win64.msi and https://dl.signalfx.com/windows/release/zip/SignalFxAgent-<version>-win64.zip were uploaded.
    6. Ensure that the https://dl.signalfx.com/signalfx-agent.ps1 and https://dl.signalfx.com/signalfx-agent.sh installer scripts were released by comparing the remote files with the local files: 
      $ curl -sSL https://dl.signalfx.com/signalfx-agent.ps1 | diff - deployments/installer/install.ps1
$ curl -sSL https://dl.signalfx.com/signalfx-agent.sh | diff - deployments/installer/install.sh

  9. If the Helm Chart.yaml version was updated from step #5, then update the repo from dtools/helm_repo by running (requires S3 access):

    1. Get us0 realm credentials through Okta and select the signalfx/splunkcloud_account_power role. 
      $ okta-aws-setup us0
    2. Clone the dtools repo if you haven't already.
    3. Run: 
      $ cd <dtools repo dir>/helm_repo
$ AGENT_CHART_DIR=<agent repo dir>/deployments/k8s/helm/signalfx-agent ./update agent

  10. Test out the new release by deploying it to a test environment and ensuring it works.