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partner-charts-ci

This tool is intended to aid in ingest, generation, and maintenance of the Rancher partner Helm chart repository. It permits fetching the latest published chart from a Helm Repo, Git Repo, or Artifact Hub, automatically setting necessary alterations, and updating the repo index and assets.

Building

Binaries are provided for macOS (Universal) and Linux (x86_64).

Ensure your host has Golang 1.18 or newer then simply build with

make build

macOS Universal Build

make build-darwin-universal

CI Process

The majority of the day-to-day CI operation is handled by the 'auto' subcommand which will run a full check against all configured charts, download any updates, and form a commit with the changes.

1. Clone your fork of the Rancher Partner Charts repository

git clone -b main-source [email protected]:<your_github>/partner-charts.git

2. Ensure that git status is reporting a clean working tree

➜  partner-charts git:(main-source) git status
On branch main-source
Your branch is up to date with 'origin/main-source'.

nothing to commit, working tree clean

3. Pull the latest CI build

scripts/pull-ci-scripts

4. Run the auto function

bin/partner-charts-ci auto

5. Run a validation

bin/partner-charts-ci validate

6. Checkout the 'main' branch

git checkout main

7. Remove the current index.yaml and assets

rm -r assets index.yaml

8. Copy in the updated index.yaml and assets

git checkout main-source -- index.yaml assets

9. Add, commit, and push your changes

git add index.yaml assets
git commit -m "Release Partner Charts"
git push origin main
git push origin main-source

10. Open a Pull-Request for both your main-source and main branches

  • The main-source PR message should auto-populate with the list of additions/updates
  • For the main PR you should include the PR number for the related main-source PR

Featuring or Hiding a chart

Featuring and hiding charts is done by appending the catalog.cattle.io/featured or catalog.cattle.io/hidden chart annotation, respectively. The CI tool is able to perform these changes for you, to easly update the asset gzip, the charts directory, and the index.yaml.

If you open a PR after modifying an existing chart, the validation stage will expectedly fail, as the main goal is to ensure no accidental modification of already released charts.

In order to avoid this, somewhere in the title of the PR, include the string [modified charts]. This will cause the PR check to skip that part of the validation. For example, when you open the PR you could title it "Hiding suse/kubewarden-controller chart [modified charts]".

To view the currently featured charts

bin/partner-charts-ci feature list

To feature a chart

bin/partner-charts-ci feature add suse/kubewarden-controller 2

To remove the featured annotation

bin/partner-charts-ci feature remove suse/kubewarden-controller

To hide the chart

bin/partner-charts-ci hide suse/kubewarden-controller

After any of those changes, simply add, commit, push - and open a PR with "[modified charts]" in the title

git add index.yaml assets charts
git commit -m "Hiding suse/kubewarden-controller"
git push origin main-source

# Open a Pull Request

Chart Submission Process

  1. Fork the Rancher Partner Charts repository
  2. Clone your fork
  3. Ensure the 'main-source' branch is checked out
  4. Create subdirectories in packages in the form of vendor/chart
  5. Create your upstream.yaml
  6. Create any add-on files like your app-readme.md and questions.yaml in an 'overlay' subdirectory (Optional)
  7. Commit your packages directory
  8. Push your commit and open a pull request
git clone -b main-source [email protected]:samuelattwood/partner-charts.git
cd partner-charts
mkdir -p packages/suse/kubewarden-controller
cat <<EOF > packages/suse/kubewarden-controller/upstream.yaml
---
HelmRepo: https://charts.kubewarden.io
HelmChart: kubewarden-controller
Vendor: SUSE
DisplayName: Kubewarden Controller
ChartMetadata:
  kubeVersion: '>=1.21-0'
  icon: https://www.kubewarden.io/images/icon-kubewarden.svg
EOF

mkdir packages/suse/kubewarden-controller/overlay
echo "Example app-readme.md" > packages/suse/kubewarden-controller/overlay/app-readme.md

git add packages/suse/kubewarden-controller
git commit -m "Submitting suse/kubewarden-controller"
git push origin main-source

# Open Your Pull Request

Using the tool

If you would like to test your configuration using this tool, simply run the provided script to download the tool. The 'auto' function is what will be run to generate new versions.

The example below assumes we have already committed an upstream.yaml to packages/suse/kubewarden-controller/upstream.yaml

git clone -b main-source [email protected]:samuelattwood/partner-charts.git
cd partner-charts
scripts/pull-ci-scripts
export PACKAGE=suse/kubewarden-controller
bin/partner-charts-ci auto

Command Reference

Some commands respect the PACKAGE environment variable. This can be used to specify a chart in the format as output by the list command, <vendor>/<chart>. This environment variable may also be set to just the top level <vendor> directory to apply to all charts contained within that vendor.

Command Description
list Lists all charts found with an upstream.yaml file in the packages directory. If PACKAGE environment variable is set, will only list chart(s) that match
prepare Included for backwards-compatability. Prepares a copy of the chart in the chart's packages directory for modification via GNU patch
patch Included for backwards-compatability. Generates patch files after alterations made following prepare command
clean Included for backwards-compatability. Cleans chart created from prepare command
auto Automated CI process. Checks all configured charts for updates in upstream, downloads updates, makes necessary alterations, stores chart assets, updates index, and commits changes. If PACKAGE environment variable is set, will only check and update specified chart(s)
stage Does everything auto does except create the final commit. Useful for testing. If PACKAGE environment variable is set, will only check and updated specified chart(s)
unstage Equivalent to running git clean -d -f && git checkout -f .
hide Alters existing chart to add catalog.cattle.io/hidden: "true" annotation in index and assets. Accepts one chart name as argument, in the format as printed by list
feature Alters existing chart to add, remove, or list charts with catalog.cattle.io/featured annotation
validate Validates current repository against configured released repo in configuration.yaml to ensure released assets are not being modified

Subcommands

feature

Command Arguments Description
list N/A Lists the current charts with the featured annotation and their associated index. Listed name is the chart name as listed in the index.yaml, not the chart name in the <vendor>/<chart> format
add Accepts two arguemnts. The chart name in the format as printed by the standard list command, <vendor>/<chart>, and the index to be featured at (1-5) Adds the catalog.cattle.io/featured: <index> annotaton to a given chart
remove Accepts one chart name as argument, in the format as printed by the standard list command, <vendor>/<chart> Removes the catalog.cattle.io/featured annotation from a given chart

Overlay

Any files placed in the packages/vendor/chart/overlay directory will be overlayed onto the chart. This allows for adding or overwriting files within the chart as needed. The primary intended purpose is for adding the app-readme.md and questions.yaml files.

Configuration File

The tool reads a configuration yaml, upstream.yaml, to know where to fetch the upstream chart. This file is also able to define any alterations for valid variables in the Chart.yaml as described by Helm.

Options for upstream.yaml

Variable Requires Description
ArtifactHubPackage ArtifactHubRepo Defines the package to pull from the defined ArtifactHubRepo
ArtifactHubRepo ArtifactHubPackage Defines the repo to access on Artifact Hub
AutoInstall Allows setting a required additional chart to deploy prior to current chart, such as a dedicated CRDs chart
ChartMetadata Allows setting/overriding the value of any valid Chart.yaml variable
DisplayName Sets the name the chart will be listed under in the Rancher UI
Experimental Adds the 'experimental' annotation which adds a flag on the UI entry
Fetch HelmChart, HelmRepo Selects set of charts to pull from upstream.
- latest will pull only the latest chart version default
- newer will pull all newer versions than currently stored
- all will pull all versions
GitBranch GitRepo Defines which branch to pull from the upstream GitRepo
GitHubRelease GitRepo If true, will pull latest GitHub release from repo. Requires GitHub URL
GitRepo Defines the git repo to pull from
GitSubdirectory GitRepo Allows selection of a subdirectory of the upstream git repo to pull the chart from
HelmChart HelmRepo Defines which chart to pull from the upstream Helm repo
HelmRepo HelmChart Defines the upstream Helm repo to pull from
Hidden Adds the 'hidden' annotation which hides the chart from the Rancher UI
Namespace Addes the 'namespace' annotation which hard-codes a deployment namespace for the chart
PackageVersion Used to generate new patch version of chart
ReleaseName Sets the value of the release-name Rancher annotation. Defaults to the chart name
TrackVersions HelmChart, HelmRepo Allows selection of multiple Major.Minor versions to track from upstream independently.
Vendor Sets the vendor name providing the chart

Helm Repo

---
HelmRepo: https://charts.kubewarden.io
HelmChart: kubewarden-controller
Vendor: SUSE
DisplayName: Kubewarden Controller
Fetch: newer
TrackVersions:
  - 0.4
  - 1.0
  - 1.1
ChartMetadata:
  kubeVersion:  '>=1.21-0'
  icon: https://www.kubewarden.io/images/icon-kubewarden.svg

Artifact Hub

---
ArtifactHubRepo: kubewarden
ArtifactHubPackage: kubewarden-controller
Vendor: SUSE
DisplayName: Kubewarden Controller
ChartMetadata:
  kubeVersion: '>=1.21-0'
  icon: https://www.kubewarden.io/images/icon-kubewarden.svg

Git Repo

---
GitRepo: https://github.com/kubewarden/helm-charts.git
GitBranch: main
GitSubdirectory: charts/kubewarden-controller
Vendor: SUSE
DisplayName: Kubewarden Controller
ChartMetadata:
  kubeVersion: '>=1.21-0'
  icon: https://www.kubewarden.io/images/icon-kubewarden.svg

GitHub Release

---
GitRepo: https://github.com/kubewarden/helm-charts.git
GitHubRelease: true
GitSubdirectory: charts/kubewarden-controller
Vendor: SUSE
DisplayName: Kubewarden Controller
ChartMetadata:
  kubeVersion: '>=1.21-0'
  icon: https://www.kubewarden.io/images/icon-kubewarden.svg