Add umap helm chart for Kubernetes deployment (#2286)

This helm chart allow to deploy umap on a Kubernetes cluster easily.

.gitignore

@@ -25,3 +25,8 @@ test-results/
 
 ### Transifex ###
 tx
+
+# Helm
+charts/*/charts
+helmfile.yaml
+charts/*/Chart.lock

Makefile

@@ -46,6 +46,13 @@ docker: ## Create a new Docker image and publish it
 	docker build -t umap/umap:${VERSION} .
 	docker push umap/umap:${VERSION}
 
+.PHONY: helm
+helm: ## Build the helm chart and publish it
+	$(eval VERSION=$(shell hatch version))
+	$(eval PACKAGE=$(shell helm package --app-version ${VERSION} ./charts/umap | grep "Successfully packaged" | awk '{print $$NF}'))
+	@echo "Successfully packaged helm chart in: ${PACKAGE}"
+	helm push ${PACKAGE} oci://registry-1.docker.io/umap
+
 .PHONY: build
 build: ## Build the Python package before release
 	@hatch build --clean

charts/umap/.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/

charts/umap/Chart.yaml

@@ -0,0 +1,16 @@
+apiVersion: v2
+name: umap
+description: A Helm chart to deploy umap on Kubernetes
+
+type: application
+
+version: 0.1.0
+
+appVersion: "2.7.2"
+
+dependencies:
+  - name: cnpg-cluster
+    version: 2.0.1
+    repository: https://charts.enix.io/
+    alias: cnpg
+    condition: cnpg.enabled

charts/umap/templates/_helpers.tpl

@@ -0,0 +1,73 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "umap.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 "umap.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 "umap.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels
+*/}}
+{{- define "umap.labels" -}}
+helm.sh/chart: {{ include "umap.chart" . }}
+{{ include "umap.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels
+*/}}
+{{- define "umap.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "umap.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Create the name of the service account to use
+*/}}
+{{- define "umap.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "umap.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
+
+{{/*
+Get the name of the persistent volume claim
+*/}}
+{{- define "umap.pvcName" -}}
+  {{- if .Values.persistence.existingClaim -}}
+    {{- printf "%s" (tpl .Values.persistence.existingClaim $) -}}
+  {{- else -}}
+      {{- printf "%s" (include "umap.fullname" .) -}}
+  {{- end -}}
+{{- end -}}

charts/umap/templates/deployment.yaml

@@ -0,0 +1,102 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "umap.fullname" . }}
+  labels:
+    {{- include "umap.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "umap.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        checksum/config: {{ include (print $.Template.BasePath "/secret-config.yaml") . | sha256sum }}
+        checksum/env: {{ include (print $.Template.BasePath "/secret-env.yaml") . | sha256sum }}
+      {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      labels:
+        {{- include "umap.labels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "umap.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          startupProbe:
+            httpGet:
+              path: /stats
+              port: http
+          livenessProbe:
+            httpGet:
+              path: /stats
+              port: http
+          readinessProbe:
+            httpGet:
+              path: /stats
+              port: http
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          {{- if .Values.cnpg.enabled }}
+          env:
+          - name: DATABASE_URL
+            valueFrom:
+              secretKeyRef:
+                name: {{ .Release.Name }}-cnpg-app
+                key: uri
+          - name: UMAP_SETTINGS
+            value: /etc/umap/umap.conf
+          {{- end }}
+          envFrom:
+          - secretRef:
+              name: {{ .Release.Name }}-env
+          volumeMounts:
+            - name: config
+              mountPath: /etc/umap/
+              readOnly: true
+            - name: statics
+              mountPath: /srv/umap/static
+          {{- if .Values.persistence.enabled }}
+            - name: data
+              mountPath: /srv/umap/uploads/
+          {{- end }}
+      volumes:
+        - name: config
+          secret:
+            secretName: {{ .Release.Name }}-config
+        - name: statics
+          emptyDir: {}
+      {{- if .Values.persistence.enabled }}
+        - name: data
+          persistentVolumeClaim:
+            claimName: {{ include "umap.pvcName" . }}
+      {{- 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 }}

charts/umap/templates/ingress.yaml

@@ -0,0 +1,31 @@
+{{- if .Values.ingress.enabled -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "umap.fullname" . }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  ingressClassName: {{ .Values.ingress.className }}
+  tls:
+    - hosts:
+        {{- range .Values.ingress.hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      secretName: {{ include "umap.fullname" . }}-tls
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ . | quote }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ include "umap.fullname" $ }}
+                port:
+                  number: {{ $.Values.service.port }}
+    {{- end }}
+{{- end }}

charts/umap/templates/pvc.yaml

@@ -0,0 +1,24 @@
+{{- if and (.Values.persistence.enabled) (not .Values.persistence.existingClaim) }}
+kind: PersistentVolumeClaim
+apiVersion: v1
+metadata:
+  {{- if .Values.persistence.annotations }}
+  annotations:
+    {{- toYaml .Values.persistence.annotations | nindent 4 }}
+  {{- end }}
+  name: {{ include "umap.pvcName" . }}
+  labels:
+    {{- include "umap.labels" . | nindent 4 }}
+spec:
+  accessModes:
+  {{- range .Values.persistence.accessModes }}
+    - {{ . | quote }}
+  {{- end }}
+  {{- with .Values.persistence.resources }}
+  resources:
+  {{- toYaml . | nindent 4 }}
+  {{- end }}
+  {{- if .Values.persistence.storageClassName }}
+  storageClassName: {{ .Values.persistence.storageClassName | quote }}
+  {{- end }}
+{{- end }}

charts/umap/templates/secret-config.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "umap.fullname" . }}-config
+  labels:
+    {{- include "umap.labels" . | nindent 4 }}
+type: Opaque
+data:
+  umap.conf: {{ .Values.umap.config | b64enc }}

charts/umap/templates/secret-env.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "umap.fullname" . }}-env
+  labels:
+    {{- include "umap.labels" . | nindent 4 }}
+type: Opaque
+data:
+{{- range $key, $value := .Values.umap.environment }}
+  {{ $key }}: "{{ $value | b64enc }}"
+{{- end }}

charts/umap/templates/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "umap.fullname" . }}
+  labels:
+    {{- include "umap.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "umap.selectorLabels" . | nindent 4 }}

charts/umap/templates/serviceaccount.yaml

@@ -0,0 +1,13 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "umap.serviceAccountName" . }}
+  labels:
+    {{- include "umap.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
+{{- end }}