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cpanatocpanato
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add helm chart (#99)
Signed-off-by: cpanato <[email protected]>
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‎.github/workflows/helm-release.yml

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name: Release Charts
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on:
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push:
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branches:
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- main
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paths:
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- "charts/**"
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jobs:
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release:
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permissions:
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contents: write
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
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with:
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fetch-depth: 0
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- name: Configure Git
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run: |
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git config user.name "$GITHUB_ACTOR"
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git config user.email "[email protected]"
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- name: Set up Helm
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uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
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with:
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version: v3.12.0
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- name: Run chart-releaser
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uses: helm/chart-releaser-action@be16258da8010256c6e82849661221415f031968 # v1.5.0
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env:
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CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
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- name: Login to GitHub Container Registry
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uses: docker/login-action@f4ef78c080cd8ba55a85445d5b36e214a81df20a # v2.1.0
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with:
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registry: ghcr.io
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username: ${{ github.actor }}
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password: ${{ secrets.GITHUB_TOKEN }}
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- name: Install Cosign
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uses: sigstore/cosign-installer@204a51a57a74d190b284a0ce69b44bc37201f343 # v3.0.3
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- name: Publish and Sign OCI Charts
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run: |
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for chart in `find .cr-release-packages -name '*.tgz' -print`; do
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helm push ${chart} oci://ghcr.io/${GITHUB_REPOSITORY} |& tee helm-push-output.log
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file_name=${chart##*/}
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chart_name=${file_name%-*}
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digest=$(awk -F "[, ]+" '/Digest/{print $NF}' < helm-push-output.log)
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cosign sign "ghcr.io/${GITHUB_REPOSITORY}/${chart_name}@${digest}"
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done
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env:
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COSIGN_YES: true

‎.github/workflows/helm-test.yml

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name: helm
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on:
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pull_request:
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paths:
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- "charts/**"
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jobs:
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test-chart:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@8e5e7e5ab8b370d6c329ec480221332ada57f0ab # v3.5.2
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with:
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fetch-depth: 0
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- name: Set up Helm
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uses: azure/setup-helm@5119fcb9089d432beecbf79bb2c7915207344b78 # v3.5
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with:
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version: v3.12.0
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- uses: actions/setup-python@57ded4d7d5e986d7296eab16560982c6dd7c923b # v4.6.0
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with:
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python-version: 3.8
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- name: Set up chart-testing
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uses: helm/chart-testing-action@e8788873172cb653a90ca2e819d79d65a66d4e76 # v2.4.0
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- name: Run chart-testing (list-changed)
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id: list-changed
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run: |
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changed=$(ct list-changed --target-branch ${{ github.event.repository.default_branch }})
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if [[ -n "$changed" ]]; then
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echo "changed=true" >> "$GITHUB_OUTPUT"
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fi
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- name: Run chart-testing (lint)
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if: steps.list-changed.outputs.changed == 'true'
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run: ct lint --target-branch ${{ github.event.repository.default_branch }} --config ct.yaml
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- name: Create kind cluster
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if: steps.list-changed.outputs.changed == 'true'
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uses: helm/kind-action@fa81e57adff234b2908110485695db0f181f3c67 # v1.7.0
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- name: Run chart-testing (install)
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if: steps.list-changed.outputs.changed == 'true'
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run: ct install --target-branch ${{ github.event.repository.default_branch }} --config ct.yaml

‎charts/github-exporter/.helmignore

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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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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj
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.vscode/

‎charts/github-exporter/Chart.yaml

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apiVersion: v1
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description: GitHub exporter
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name: github-exporter
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version: 0.1.0
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appVersion: 0.4.0
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home: https://github.com/cpanato/github_actions_exporter
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maintainers:
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- name: cpanato

‎charts/github-exporter/ci/ci-values.yaml

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config:
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org: "fake-honk"
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secret:
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githubToken: "fake-token"
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githubWebhookToken: "fake-token"

‎charts/github-exporter/templates/NOTES.txt

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1.To see the metrics
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{{- if contains "ClusterIP" .Values.service.type }}
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kubectl port-forward svc/{{ include "github-exporter.fullname" . }} {{ .Values.service.portMetrics }}
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echo "Visit http://127.0.0.1:{{ .Values.service.portMetrics }}/metrics to check the metrics"
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{{- end }}

‎charts/github-exporter/templates/_helpers.tpl

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "github-exporter.name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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If release name contains chart name it will be used as a full name.
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*/}}
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{{- define "github-exporter.fullname" -}}
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{{- if .Values.fullnameOverride -}}
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{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- if contains $name .Release.Name -}}
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{{- .Release.Name | trunc 63 | trimSuffix "-" -}}
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{{- else -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{- end -}}
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{{- end -}}
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{{/*
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Create chart name and version as used by the chart label.
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*/}}
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{{- define "github-exporter.chart" -}}
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{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" -}}
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{{- end -}}

‎charts/github-exporter/templates/deployment.yaml

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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: {{ include "github-exporter.fullname" . }}
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namespace: {{ .Release.Namespace }}
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labels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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helm.sh/chart: {{ include "github-exporter.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- if .Values.labels -}}
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{{ .Values.labels | toYaml | nindent 4 -}}
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{{- end }}
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spec:
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replicas: {{ .Values.deployment.replicaCount }}
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selector:
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matchLabels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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template:
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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helm.sh/chart: {{ include "github-exporter.chart" . }}
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{{- if .Values.podLabels -}}
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{{ .Values.podLabels | toYaml | nindent 8 -}}
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{{- end }}
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spec:
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containers:
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- name: github-exporter
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image: "{{ .Values.deployment.image.repository }}:{{ .Values.deployment.image.tag }}@{{ .Values.deployment.image.digest }}"
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imagePullPolicy: {{ .Values.deployment.image.pullPolicy }}
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args:
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- --gh.github-api-token=$(GITHUB_TOKEN)
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- --gh.github-webhook-token=$(GITHUB_WEBHOOK_TOKEN)
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- --gh.github-org={{ .Values.config.org }}
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- --gh.billing-poll-seconds={{ .Values.config.pollSeconds }}
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envFrom:
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- secretRef:
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{{- if not .Values.secret.existingSecretName }}
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name: {{ include "github-exporter.fullname" . }}
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{{- else }}
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name: {{ .Values.secret.existingSecretName }}
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{{- end }}
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ports:
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- name: metrics
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containerPort: {{ .Values.service.portMetrics }}
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protocol: TCP
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- name: http
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containerPort: {{ .Values.service.portHttp }}
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protocol: TCP
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livenessProbe:
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failureThreshold: 1
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httpGet:
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path: /healthz
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port: http
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scheme: HTTP
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initialDelaySeconds: 3
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periodSeconds: 30
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successThreshold: 1
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timeoutSeconds: 9
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readinessProbe:
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failureThreshold: 1
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httpGet:
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path: /healthz
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port: http
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scheme: HTTP
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initialDelaySeconds: 3
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periodSeconds: 15
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successThreshold: 1
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timeoutSeconds: 9
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resources:
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{{- toYaml .Values.deployment.resources | nindent 12 }}
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{{- with .Values.deployment.nodeSelector }}
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nodeSelector:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.affinity }}
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affinity:
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{{- toYaml . | nindent 8 }}
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{{- end }}
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{{- with .Values.tolerations }}
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tolerations:
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{{- toYaml . | nindent 8 }}
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{{- end }}

‎charts/github-exporter/templates/ingress.yaml

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{{- if .Values.ingress.enabled }}
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apiVersion: networking.k8s.io/v1
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kind: Ingress
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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helm.sh/chart: {{ include "github-exporter.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- if .Values.ingress.extraLabels }}
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{{ .Values.ingress.extraLabels | toYaml | nindent 4 -}}
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{{- end }}
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{{- if .Values.ingress.annotations }}
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annotations:
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{{ .Values.ingress.annotations | toYaml | nindent 4 -}}
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{{- end }}
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name: {{ include "github-exporter.fullname" . }}
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namespace: {{ .Release.Namespace }}
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spec:
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rules:
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- host: {{ .Values.ingress.host }}
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http:
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paths:
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- path: "/"
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pathType: Prefix
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backend:
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service:
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name: {{ include "github-exporter.name" . }}-ingress
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port:
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number: {{ .Values.service.portHttp }}
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{{- end }}

‎charts/github-exporter/templates/secret.yaml

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{{- if not .Values.secret.existingSecretName }}
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apiVersion: v1
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kind: Secret
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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helm.sh/chart: {{ include "github-exporter.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- if .Values.labels }}
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{{ .Values.labels | toYaml | nindent 4 -}}
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{{- end }}
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name: {{ include "github-exporter.fullname" . }}
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namespace: {{ .Release.Namespace }}
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data:
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GITHUB_TOKEN: {{ .Values.secret.githubToken | b64enc }}
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GITHUB_WEBHOOK_TOKEN: {{ .Values.secret.githubWebhookToken | b64enc }}
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type: Opaque
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{{- end }}

‎charts/github-exporter/templates/service.yaml

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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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helm.sh/chart: {{ include "github-exporter.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- if .Values.service.extraLabels -}}
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{{ .Values.service.extraLabels | toYaml | nindent 4 -}}
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{{- end }}
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{{- if .Values.service.annotationsMetrics }}
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annotations:
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{{ .Values.service.annotationsMetrics | toYaml | nindent 4 -}}
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{{- end }}
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name: {{ include "github-exporter.name" . }}-metrics
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namespace: {{ .Release.Namespace }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.portMetrics }}
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targetPort: metrics
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protocol: TCP
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name: metrics
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selector:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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---
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{{- if .Values.ingress.enabled }}
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apiVersion: v1
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kind: Service
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metadata:
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labels:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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helm.sh/chart: {{ include "github-exporter.chart" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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app.kubernetes.io/managed-by: {{ .Release.Service }}
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{{- if .Values.service.extraLabels -}}
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{{ .Values.service.extraLabels | toYaml | nindent 4 -}}
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{{- end }}
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{{- if .Values.service.annotationsIngress }}
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annotations:
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{{ .Values.service.annotationsIngress | toYaml | nindent 4 -}}
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{{- end }}
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name: {{ include "github-exporter.name" . }}-ingress
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namespace: {{ .Release.Namespace }}
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spec:
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type: {{ .Values.service.type }}
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ports:
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- port: {{ .Values.service.portHttp }}
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targetPort: http
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protocol: TCP
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name: http
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selector:
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app.kubernetes.io/name: {{ include "github-exporter.name" . }}
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app.kubernetes.io/instance: {{ .Release.Name }}
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{{- end }}

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