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add helm plugin to distribute the projects
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| Original file line number | Diff line number | Diff line change |
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| name: Helm Testdata Sample | ||
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| on: | ||
| push: | ||
| paths: | ||
| - 'testdata/project-v4-with-plugins/**' | ||
| - 'testdata/project-v4-multigroup/**' | ||
| - '.github/workflows/test-helm-samples.yml' | ||
| pull_request: | ||
| paths: | ||
| - 'testdata/project-v4-with-plugins/**' | ||
| - 'testdata/project-v4-multigroup/**' | ||
| - '.github/workflows/test-helm-samples.yml' | ||
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| jobs: | ||
| helm-test-project-v4-with-plugins: | ||
| runs-on: ubuntu-latest | ||
| strategy: | ||
| fail-fast: true | ||
| if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository | ||
| steps: | ||
| - name: Checkout repository | ||
| uses: actions/checkout@v4 | ||
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| - name: Setup Go | ||
| uses: actions/setup-go@v5 | ||
| with: | ||
| go-version: '~1.22' | ||
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| - name: Install the latest version of kind | ||
| run: | | ||
| curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64 | ||
| chmod +x ./kind | ||
| sudo mv ./kind /usr/local/bin/kind | ||
| - name: Verify kind installation | ||
| run: kind version | ||
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| - name: Create kind cluster | ||
| run: kind create cluster | ||
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| - name: Prepare project-v4-with-plugins | ||
| run: | | ||
| cd testdata/project-v4-with-plugins/ | ||
| go mod tidy | ||
| make docker-build IMG=project-v4-with-plugins:v0.1.0 | ||
| kind load docker-image project-v4-with-plugins:v0.1.0 | ||
| - name: Install Helm | ||
| run: | | ||
| curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash | ||
| - name: Verify Helm installation | ||
| run: helm version | ||
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| - name: Lint Helm chart for project-v4-with-plugins | ||
| run: | | ||
| helm lint testdata/project-v4-with-plugins/dist/chart | ||
| - name: Install Helm chart for project-v4-with-plugins | ||
| run: | | ||
| helm install my-release testdata/project-v4-with-plugins/dist/chart --create-namespace --namespace project-v4-with-plugins-system | ||
| helm-test-project-v4-multigroup: | ||
| runs-on: ubuntu-latest | ||
| strategy: | ||
| fail-fast: true | ||
| if: github.event_name == 'push' || github.event.pull_request.head.repo.full_name != github.repository | ||
| steps: | ||
| - name: Checkout repository | ||
| uses: actions/checkout@v4 | ||
|
|
||
| - name: Setup Go | ||
| uses: actions/setup-go@v5 | ||
| with: | ||
| go-version: '~1.22' | ||
|
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| - name: Install the latest version of kind | ||
| run: | | ||
| curl -Lo ./kind https://kind.sigs.k8s.io/dl/latest/kind-linux-amd64 | ||
| chmod +x ./kind | ||
| sudo mv ./kind /usr/local/bin/kind | ||
| - name: Verify kind installation | ||
| run: kind version | ||
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| - name: Create kind cluster | ||
| run: kind create cluster | ||
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| - name: Prepare project-v4-multigroup | ||
| run: | | ||
| cd testdata/project-v4-multigroup/ | ||
| go mod tidy | ||
| make docker-build IMG=project-v4-multigroup:v0.1.0 | ||
| kind load docker-image project-v4-multigroup:v0.1.0 | ||
| - name: Install Helm | ||
| run: | | ||
| curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash | ||
| - name: Verify Helm installation | ||
| run: helm version | ||
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| - name: Lint Helm chart for project-v4-multigroup | ||
| run: | | ||
| helm lint testdata/project-v4-multigroup/dist/chart | ||
| - name: Install Helm chart for project-v4-multigroup | ||
| run: | | ||
| helm install my-release-multigroup testdata/project-v4-multigroup/dist/chart --create-namespace --namespace project-v4-multigroup-system |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| # Helm Plugin (`helm/v1-alpha`) | ||
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| The Helm plugin is an optional plugin that can be used to scaffold a Helm chart, allowing you to distribute the project using Helm. | ||
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| By default, users can generate a bundle with all the manifests by running the following command: | ||
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| ```bash | ||
| make build-installer IMG=<some-registry>/<project-name:tag> | ||
| ``` | ||
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| This allows the project consumer to install the solution by applying the bundle with: | ||
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| ```bash | ||
| kubectl apply -f https://raw.githubusercontent.com/<org>/project-v4/<tag or branch>/dist/install.yaml | ||
| ``` | ||
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| However, in many scenarios, you might prefer to provide a Helm chart to package your solution. | ||
| If so, you can use this plugin to generate the Helm chart under the `dist` directory. | ||
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| <aside class="note"> | ||
| <h1>Examples</h1> | ||
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| You can check the plugin usage by looking at `project-v4-multigroup` and `project-v4-with-plugins` samples | ||
| under the [testdata][testdata] directory on the root directory of the Kubebuilder project. | ||
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| </aside> | ||
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| ## When to use it ? | ||
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| - If you are looking to provide to your users a HelmChart to install and manage your project | ||
| - If you want to update the HelmChart generated under `dist/chart/` with the latest changes | ||
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| ## How to use it ? | ||
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| ### Basic Usage | ||
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| The Helm plugin is attached to the `init` subcommand and the `edit` subcommand: | ||
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| ```sh | ||
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| # Initialize a new project with helm chart | ||
| kubebuilder init --plugins=helm/v1-alpha | ||
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| # Enable or Update the helm chart via the helm plugin to an existing project | ||
| # Before run the edit command, run `make manifests` to generate the manifest under `config/` | ||
| make manifests | ||
| kubebuilder edit --plugins=helm/v1-alpha | ||
| ``` | ||
| <aside class="note"> | ||
| <h1>Use the edit command to update the Helm Chart with the latest changes</h1> | ||
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| After making changes to your project, ensure that you run `make manifests` and then | ||
| use the command `kubebuilder edit --plugins=helm/v1-alpha` to update the Helm Chart. | ||
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| Note that the following files will **not** be updated unless you use the `--force=true` flag: | ||
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| <pre> | ||
| dist/chart/ | ||
| ├── values.yaml | ||
| ├── .helmignore | ||
| └── templates/ | ||
| ├── _helpers.tpl | ||
| └── manager/ | ||
| └── manager.yaml | ||
| └── webhook/ | ||
| └── webhooks.yaml | ||
| └── service.yaml | ||
| </pre> | ||
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| </aside> | ||
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| ## Subcommands | ||
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| The Helm plugin implements the following subcommands: | ||
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| - edit (`$ kubebuilder edit [OPTIONS]`) | ||
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| - init (`$ kubebuilder init [OPTIONS]`) | ||
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| ## Affected files | ||
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| The following scaffolds will be created or updated by this plugin: | ||
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| - `dist/chart/*` | ||
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| [testdata]: https://github.com/kubernetes-sigs/kubebuilder/tree/master/testdata/project-v4-with-plugins | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| /* | ||
| Copyright 2024 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package v1alpha | ||
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| import ( | ||
| "errors" | ||
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| "sigs.k8s.io/kubebuilder/v4/pkg/config" | ||
| ) | ||
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| func insertPluginMetaToConfig(target config.Config, cfg pluginConfig) error { | ||
| err := target.DecodePluginConfig(pluginKey, cfg) | ||
| if !errors.As(err, &config.UnsupportedFieldError{}) { | ||
| if err != nil && !errors.As(err, &config.PluginKeyNotFoundError{}) { | ||
| return err | ||
| } | ||
| if err = target.EncodePluginConfig(pluginKey, cfg); err != nil { | ||
| return err | ||
| } | ||
| } | ||
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| return nil | ||
| } |
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