helm: Add helm chart tests (#20394)
* helm: Fix consistent list indentation * helm: Add helm lint and helm template tests * helm: Add helm template --validate test * helm: Add helm install test
This commit is contained in:
Erik Sundell
GitHub
parent
07229089a6
commit
87fbd08f74
9 changed files with 213 additions and 37 deletions
138
.github/workflows/test-chart.yml
vendored
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138
.github/workflows/test-chart.yml
vendored
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@ -0,0 +1,138 @@
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# This is a GitHub workflow defining a set of jobs with a set of steps.
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# ref: https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions
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#
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name: Test chart
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on:
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pull_request:
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paths:
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- "chart/**"
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- "!**.md"
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- ".github/workflows/test-chart.yml"
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push:
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paths:
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- "chart/**"
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- "!**.md"
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- ".github/workflows/test-chart.yml"
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branches-ignore:
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- "dependabot/**"
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workflow_dispatch:
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permissions:
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contents: read
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defaults:
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run:
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working-directory: chart
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jobs:
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lint-templates:
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runs-on: ubuntu-22.04
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steps:
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- uses: actions/checkout@v3
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- uses: actions/setup-python@v4
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with:
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python-version: "3.x"
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- name: Install dependencies (yamllint)
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run: pip install yamllint
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- run: helm dependency update
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- name: helm lint
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run: |
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helm lint . \
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--values dev-values.yaml
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- name: helm template
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run: |
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helm template . \
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--values dev-values.yaml \
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--output-dir rendered-templates
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- name: yamllint (only on templates we manage)
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run: |
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rm -rf rendered-templates/mastodon/charts
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yamllint rendered-templates \
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--config-data "{rules: {indentation: {spaces: 2}, line-length: disable}}"
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# This job helps us validate that rendered templates are valid k8s resources
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# against a k8s api-server, via "helm template --validate", but also that a
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# basic configuration can be used to successfully startup mastodon.
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#
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test-install:
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runs-on: ubuntu-22.04
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timeout-minutes: 15
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strategy:
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fail-fast: false
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matrix:
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include:
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# k3s-channel reference: https://update.k3s.io/v1-release/channels
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- k3s-channel: latest
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- k3s-channel: stable
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# This represents the oldest configuration we test against.
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#
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# The k8s version chosen is based on the oldest still supported k8s
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# version among two managed k8s services, GKE, EKS.
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# - GKE: https://endoflife.date/google-kubernetes-engine
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# - EKS: https://endoflife.date/amazon-eks
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#
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# The helm client's version can influence what helper functions is
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# available for use in the templates, currently we need v3.6.0 or
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# higher.
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#
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- k3s-channel: v1.21
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helm-version: v3.6.0
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steps:
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- uses: actions/checkout@v3
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# This action starts a k8s cluster with NetworkPolicy enforcement and
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# installs both kubectl and helm.
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#
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# ref: https://github.com/jupyterhub/action-k3s-helm#readme
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#
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- uses: jupyterhub/action-k3s-helm@v3
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with:
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k3s-channel: ${{ matrix.k3s-channel }}
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helm-version: ${{ matrix.helm-version }}
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metrics-enabled: false
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traefik-enabled: false
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docker-enabled: false
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- run: helm dependency update
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# Validate rendered helm templates against the k8s api-server
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- name: helm template --validate
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run: |
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helm template --validate mastodon . \
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--values dev-values.yaml
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- name: helm install
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run: |
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helm install mastodon . \
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--values dev-values.yaml \
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--timeout 10m
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# This actions provides a report about the state of the k8s cluster,
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# providing logs etc on anything that has failed and workloads marked as
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# important.
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#
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# ref: https://github.com/jupyterhub/action-k8s-namespace-report#readme
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#
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- name: Kubernetes namespace report
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uses: jupyterhub/action-k8s-namespace-report@v1
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if: always()
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with:
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important-workloads: >-
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deploy/mastodon-sidekiq
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deploy/mastodon-streaming
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deploy/mastodon-web
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job/mastodon-assets-precompile
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job/mastodon-chewy-upgrade
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job/mastodon-create-admin
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job/mastodon-db-migrate
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@ -1,3 +1,17 @@
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# A helm chart's templates and default values can be packaged into a .tgz file.
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# When doing that, not everything should be bundled into the .tgz file. This
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# file describes what to not bundle.
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#
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# Manually added by us
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# --------------------
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#
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dev-values.yaml
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mastodon-*.tgz
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# Boilerplate .helmignore from `helm create mastodon`
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# ---------------------------------------------------
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#
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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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@ -21,4 +35,3 @@
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.idea/
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*.tmproj
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.vscode/
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mastodon-*.tgz
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@ -7,7 +7,7 @@ Kubernetes cluster. The basic usage is:
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1. `helm dep update`
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1. `helm install --namespace mastodon --create-namespace my-mastodon ./ -f path/to/additional/values.yaml`
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This chart has been tested on Helm 3.0.1 and above.
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This chart is tested with k8s 1.21+ and helm 3.6.0+.
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# Configuration
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25
chart/dev-values.yaml
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25
chart/dev-values.yaml
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@ -0,0 +1,25 @@
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# Chart values used for testing the Helm chart.
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#
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mastodon:
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secrets:
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secret_key_base: dummy-secret_key_base
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otp_secret: dummy-otp_secret
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vapid:
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private_key: dummy-vapid-private_key
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public_key: dummy-vapid-public_key
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# ref: https://github.com/bitnami/charts/tree/main/bitnami/redis#parameters
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redis:
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replica:
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replicaCount: 1
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# ref: https://github.com/bitnami/charts/tree/main/bitnami/elasticsearch#parameters
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elasticsearch:
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master:
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replicaCount: 1
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data:
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replicaCount: 1
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coordinating:
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replicaCount: 1
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ingest:
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replicaCount: 1
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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{{- end }}
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volumes:
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- name: assets
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@ -42,13 +42,13 @@ spec:
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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{{- end }}
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volumes:
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- name: assets
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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{{- end }}
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volumes:
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- name: assets
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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{{- end }}
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volumes:
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- name: assets
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@ -25,13 +25,13 @@ spec:
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affinity:
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podAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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- labelSelector:
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matchExpressions:
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- key: app.kubernetes.io/part-of
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operator: In
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values:
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- rails
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topologyKey: kubernetes.io/hostname
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{{- end }}
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volumes:
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- name: assets
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