Initial helm chart

flatcar · Feb 2, 2021 · 93bb3a3 · 93bb3a3
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diff --git a/deploy/helm/.gitignore b/deploy/helm/.gitignore
@@ -0,0 +1,6 @@
+*.tgz
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
diff --git a/deploy/helm/.helmignore b/deploy/helm/.helmignore
@@ -0,0 +1,23 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
diff --git a/deploy/helm/Chart.lock b/deploy/helm/Chart.lock
@@ -0,0 +1,6 @@
+dependencies:
+- name: postgresql
+  repository: https://charts.bitnami.com/bitnami
+  version: 10.2.0
+digest: sha256:ffc74acdb2350c12e199b3cf080130440bb1e137d1cf10dec1fbdbe597d40510
+generated: "2021-01-27T22:09:53.941520746+01:00"
diff --git a/deploy/helm/Chart.yaml b/deploy/helm/Chart.yaml
@@ -0,0 +1,21 @@
+apiVersion: v2
+name: nebraska
+description: Nebraska is an update manager for Flatcar Container Linux.
+type: application
+keywords:
+  - nebraska
+  - kinvolk
+  - CoreOS
+  - update manager
+  - updates
+  - Omaha protocol
+  - flatcar
+  - Flatcar Container Linux
+version: 0.1.0
+appVersion: "2.3.0"
+
+dependencies:
+- name: postgresql
+  version: 10.2.6
+  repository: https://charts.bitnami.com/bitnami
+  condition: postgresql.enabled
diff --git a/deploy/helm/templates/NOTES.txt b/deploy/helm/templates/NOTES.txt
@@ -0,0 +1,20 @@
+1. Get the application URL by running these commands:
+{{- if .Values.ingress.enabled }}
+{{- range .Values.ingress.hosts }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ . }}
+{{- end }}
+{{- else if contains "NodePort" .Values.service.type }}
+  export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "nebraska.fullname" . }})
+  export NODE_IP=$(kubectl get nodes --namespace {{ .Release.Namespace }} -o jsonpath="{.items[0].status.addresses[0].address}")
+  echo http://$NODE_IP:$NODE_PORT
+{{- else if contains "LoadBalancer" .Values.service.type }}
+     NOTE: It may take a few minutes for the LoadBalancer IP to be available.
+           You can watch the status of by running 'kubectl get --namespace {{ .Release.Namespace }} svc -w {{ include "nebraska.fullname" . }}'
+  export SERVICE_IP=$(kubectl get svc --namespace {{ .Release.Namespace }} {{ include "nebraska.fullname" . }} --template "{{"{{ range (index .status.loadBalancer.ingress 0) }}{{.}}{{ end }}"}}")
+  echo http://$SERVICE_IP:{{ .Values.service.port }}
+{{- else if contains "ClusterIP" .Values.service.type }}
+  export POD_NAME=$(kubectl get pods --namespace {{ .Release.Namespace }} -l "app.kubernetes.io/name={{ include "nebraska.name" . }},app.kubernetes.io/instance={{ .Release.Name }}" -o jsonpath="{.items[0].metadata.name}")
+  export CONTAINER_PORT=$(kubectl get pod --namespace {{ .Release.Namespace }} $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
+  echo "Visit http://127.0.0.1:8080 to use your application"
+  kubectl --namespace {{ .Release.Namespace }} port-forward $POD_NAME 8080:$CONTAINER_PORT
+{{- end }}
diff --git a/deploy/helm/templates/_helpers.tpl b/deploy/helm/templates/_helpers.tpl
@@ -0,0 +1,75 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "nebraska.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+If release name contains chart name it will be used as a full name.
+*/}}
+{{- define "nebraska.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create chart name and version as used by the chart label.
+*/}}
+{{- define "nebraska.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "nebraska.labels" -}}
+helm.sh/chart: {{ include "nebraska.chart" . }}
+{{ include "nebraska.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "nebraska.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "nebraska.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "nebraska.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "nebraska.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+Create a default fully qualified postgresql name.
+We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
+*/}}
+{{- define "nebraska.postgresql.fullname" -}}
+{{- $name := default "postgresql" .Values.postgresql.nameOverride -}}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
+{{- end -}}
+
+{{- define "nebraska.ingressScheme" -}}
+http{{ if $.Values.ingress.tls }}s{{ end }}
+{{- end -}}
diff --git a/deploy/helm/templates/deployment.yaml b/deploy/helm/templates/deployment.yaml
@@ -0,0 +1,161 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "nebraska.fullname" . }}
+  labels:
+    {{- include "nebraska.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "nebraska.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      {{- with .Values.podAnnotations }}
+      annotations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "nebraska.selectorLabels" . | nindent 8 }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "nebraska.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.registry }}/{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          command:
+            - "/nebraska/nebraska"
+          args:
+            {{- /* General settings */}}
+            {{- if .Values.config.app.title }}
+            - "-client-title={{ .Values.config.app.title }}"
+            {{- end }}
+            {{- if .Values.config.app.logoPath }}
+            - "-client-logo={{ .Values.config.app.logoPath }}"
+            {{- end }}
+            {{- if .Values.config.app.headerStyle }}
+            - "-client-header-style={{ .Values.config.app.headerStyle }}"
+            {{- end }}
+            {{- if .Values.config.app.httpStaticDir }}
+            - "-http-static-dir={{ .Values.config.app.httpStaticDir }}"
+            {{- end }}
+
+            {{- /* Syncer settings */}}
+            {{- if .Values.config.syncer.enabled }}
+            - "-enable-syncer"
+              {{- if .Values.config.syncer.interval }}
+            - "-sync-interval={{ .Values.config.syncer.interval }}"
+              {{- end }}
+              {{- if .Values.config.syncer.updateURL }}
+            - "-sync-update-url={{ .Values.config.syncer.updateURL }}"
+              {{- end }}
+            {{- end }}
+
+            {{- /* Host packages settings */}}
+            {{- if .Values.config.hostFlatcarPackages.enabled }}
+            - "-host-flatcar-packages"
+            - "-flatcar-packages-path={{ required "A valid 'packagesPath' is required when hosting Flatcar packages." .Values.config.hostFlatcarPackages.packagesPath }}"
+              {{- if .Values.ingress.enabled }}
+            - "-nebraska-url={{ printf "%s://%s"  (include "nebraska.ingressScheme" .) (index .Values.ingress.hosts 0) }}"
+              {{- else if .Values.config.hostFlatcarPackages.nebraskaURL }}
+            - "-nebraska-url={{ .Values.config.hostFlatcarPackages.nebraskaURL }}"
+              {{- end }}
+            {{- end }}
+
+            {{- /* Auth settings */}}
+            {{- if .Values.config.auth.mode }}
+            - "-auth-mode={{ .Values.config.auth.mode }}"
+            {{- end }}
+            {{- if and .Values.config.auth.github.readWriteTeams (not (eq .Values.config.auth.mode "noop")) }}
+            - "-gh-rw-teams={{ .Values.config.auth.github.readWriteTeams }}"
+            {{- end }}
+            {{- if and .Values.config.auth.github.readOnlyTeams (not (eq .Values.config.auth.mode "noop")) }}
+            - "-gh-ro-teams={{ .Values.config.auth.github.readOnlyTeams }}"
+            {{- end }}
+          env:
+            - name: NEBRASKA_DB_URL
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "nebraska.fullname" . }}
+                  key: dbURL
+            {{- if or (eq .Values.config.auth.mode "github") (not .Values.config.auth.mode) }}
+            - name: "NEBRASKA_GITHUB_OAUTH_CLIENT_ID"
+              value: "{{ .Values.config.auth.github.clientID }}"
+            - name: "NEBRASKA_GITHUB_OAUTH_CLIENT_SECRET"
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "nebraska.fullname" . }}
+                  key: ghClientSecret
+            - name: "NEBRASKA_GITHUB_SESSION_SECRET"
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "nebraska.fullname" . }}
+                  key: ghSessionAuthKey
+            - name: "NEBRASKA_GITHUB_SESSION_CRYPT_KEY"
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "nebraska.fullname" . }}
+                  key: ghSessionCryptKey
+            - name: "NEBRASKA_GITHUB_WEBHOOK_SECRET"
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "nebraska.fullname" . }}
+                  key: ghWebhookSecret
+              {{- if .Values.config.auth.github.enterpriseURL }}
+            - name: "NEBRASKA_GITHUB_ENTERPRISE_URL"
+              value: "{{ .Values.config.auth.github.enterpriseURL }}"
+              {{- end }}
+            {{- end }}
+            {{- range $key, $value := .Values.env }}
+            - name: {{ $key }}
+              value: {{ $value | quote }}
+            {{- end }}
+          {{- if .Values.config.hostFlatcarPackages.enabled }}
+          volumeMounts:
+            - mountPath: {{ .Values.config.hostFlatcarPackages.packagesPath }}
+              name: packages
+          {{- end }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.env.PORT | default 8000 }}
+              protocol: TCP
+          {{- if .Values.livenessProbe.enabled }}
+          livenessProbe:
+            {{- omit .Values.livenessProbe "enabled" | toYaml | nindent 12 }}
+          {{- end }}
+          {{- if .Values.readinessProbe.enabled }}
+          readinessProbe:
+            {{- omit .Values.readinessProbe "enabled" | toYaml | nindent 12 }}
+          {{- end }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+      {{- if .Values.config.hostFlatcarPackages.enabled }}
+      volumes:
+        - name: packages
+          {{- if .Values.config.hostFlatcarPackages.persistence.enabled}}
+          persistentVolumeClaim:
+            claimName: {{ include "nebraska.fullname" . }}-packages
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+      {{- end }}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
diff --git a/deploy/helm/templates/ingress.yaml b/deploy/helm/templates/ingress.yaml
@@ -0,0 +1,50 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "nebraska.fullname" . -}}
+{{- $svcPort := .Values.service.port -}}
+{{- $kubeGitVersion := .Capabilities.KubeVersion.GitVersion -}}
+{{- if semverCompare ">=1.19-0" $kubeGitVersion -}}
+apiVersion: networking.k8s.io/v1
+{{- else if semverCompare ">=1.14-0" $kubeGitVersion -}}
+apiVersion: networking.k8s.io/v1beta1
+{{- else -}}
+apiVersion: extensions/v1beta1
+{{- end }}
+kind: Ingress
+metadata:
+  name: {{ $fullName }}
+  labels:
+    {{- include "nebraska.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      secretName: {{ .secretName }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ . | quote }}
+      http:
+        paths:
+          - path: /
+            backend:
+            {{- if semverCompare ">=1.19-0" $kubeGitVersion }}
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ $svcPort }}
+            pathType: ImplementationSpecific
+            {{- else -}}
+              serviceName: {{ $fullName }}
+              servicePort: {{ $svcPort }}
+            {{- end }}
+    {{- end }}
+  {{- end }}
diff --git a/deploy/helm/templates/pvc.yaml b/deploy/helm/templates/pvc.yaml
@@ -0,0 +1,16 @@
+{{- if .Values.config.hostFlatcarPackages.persistence.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "nebraska.fullname" . }}-packages
+  labels:
+    {{- include "nebraska.labels" . | nindent 4 }}
+spec:
+  accessModes: {{ .Values.config.hostFlatcarPackages.persistence.accessModes }}
+  resources:
+    requests:
+      storage: {{ .Values.config.hostFlatcarPackages.persistence.size }}
+  {{- if .Values.config.hostFlatcarPackages.persistence.storageClass }}
+  storageClassName: {{ .Values.config.hostFlatcarPackages.persistence.storageClass }}
+  {{- end }}
+{{- end }}