feat: add helm chart (#27)

* refactor: change layout

* feat: add helm chart

* fix: appVersion

deploy/helm/pagetron/.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/

deploy/helm/pagetron/Chart.yaml

@@ -0,0 +1,11 @@
+---
+
+apiVersion: v2
+name: pagetron
+description: A Helm chart for Kubernetes
+
+type: application
+
+version: 0.1.0
+
+appVersion: "0.1.1"

deploy/helm/pagetron/templates/backend.deployment.yaml

@@ -0,0 +1,61 @@
+{{- with $.Values.backend }}
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+
+metadata:
+  name: pagetron-backend
+  labels:
+    app: pagetron
+    component: backend
+
+spec:
+  replicas: {{ .replicas }}
+  selector:
+    matchLabels:
+      app: pagetron
+      component: backend
+
+  template:
+    metadata:
+      labels:
+        app: pagetron
+        component: backend
+
+    spec:
+      containers:
+        - name: pagetron-backend
+
+          image: "{{ .image.repository }}:{{ .image.tag | default $.Chart.AppVersion }}"
+          imagePullPolicy: {{ .image.pullPolicy }}
+
+          ports:
+            - name: http
+              containerPort: 3000
+              protocol: TCP
+
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+
+          resources:
+            {{- toYaml .resources | nindent 12 }}
+
+      {{- with .nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+
+{{- end }}

deploy/helm/pagetron/templates/backend.service.yaml

@@ -0,0 +1,26 @@
+{{- with $.Values.backend }}
+
+---
+
+apiVersion: v1
+kind: Service
+
+metadata:
+  name: pagetron-backend
+  labels:
+    app: pagetron
+    component: backend
+
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      port: 80
+      targetPort: http
+      protocol: TCP
+
+  selector:
+    app: pagetron
+    component: backend
+
+{{- end }}

deploy/helm/pagetron/templates/blackbox.deployment.yaml

@@ -0,0 +1,61 @@
+{{- with $.Values.blackbox }}
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+
+metadata:
+  name: blackbox
+  labels:
+    app: pagetron
+    component: blackbox
+
+spec:
+  replicas: {{ .replicas }}
+  selector:
+    matchLabels:
+      app: pagetron
+      component: blackbox
+
+  template:
+    metadata:
+      labels:
+        app: pagetron
+        component: blackbox
+
+    spec:
+      containers:
+        - name: blackbox
+
+          image: "{{ .image.repository }}:{{ .image.tag }}"
+          imagePullPolicy: {{ .image.pullPolicy }}
+
+          ports:
+            - name: http
+              containerPort: 9115
+              protocol: TCP
+
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+
+          resources:
+            {{- toYaml .resources | nindent 12 }}
+
+      {{- with .nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+
+{{- end }}

deploy/helm/pagetron/templates/blackbox.service.yaml

@@ -0,0 +1,26 @@
+{{- with $.Values.blackbox }}
+
+---
+
+apiVersion: v1
+kind: Service
+
+metadata:
+  name: blackbox
+  labels:
+    app: pagetron
+    component: blackbox
+
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      port: 9115
+      targetPort: http
+      protocol: TCP
+
+  selector:
+    app: pagetron
+    component: blackbox
+
+{{- end }}

deploy/helm/pagetron/templates/frontend.deployment.yaml

@@ -0,0 +1,61 @@
+{{- with $.Values.frontend }}
+
+---
+
+apiVersion: apps/v1
+kind: Deployment
+
+metadata:
+  name: pagetron-frontend
+  labels:
+    app: pagetron
+    component: frontend
+
+spec:
+  replicas: {{ .replicas }}
+  selector:
+    matchLabels:
+      app: pagetron
+      component: frontend
+
+  template:
+    metadata:
+      labels:
+        app: pagetron
+        component: frontend
+
+    spec:
+      containers:
+        - name: pagetron-frontend
+
+          image: "{{ .image.repository }}:{{ .image.tag | default $.Chart.AppVersion }}"
+          imagePullPolicy: {{ .image.pullPolicy }}
+
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+
+          livenessProbe:
+            httpGet:
+              path: /
+              port: http
+
+          readinessProbe:
+            httpGet:
+              path: /
+              port: http
+
+          resources:
+            {{- toYaml .resources | nindent 12 }}
+
+      {{- with .nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+
+{{- end }}

deploy/helm/pagetron/templates/frontend.service.yaml

@@ -0,0 +1,26 @@
+{{- with $.Values.frontend }}
+
+---
+
+apiVersion: v1
+kind: Service
+
+metadata:
+  name: pagetron-frontend
+  labels:
+    app: pagetron
+    component: frontend
+
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      port: 80
+      targetPort: http
+      protocol: TCP
+
+  selector:
+    app: pagetron
+    component: frontend
+
+{{- end }}

deploy/helm/pagetron/templates/housekeeper.cronjob.yaml

@@ -0,0 +1,34 @@
+{{- with $.Values.housekeeper }}
+
+---
+
+apiVersion: batch/v1
+kind: CronJob
+
+metadata:
+  name: pagetron-housekeeper
+  labels:
+    app: pagetron
+    component: housekeeper
+
+spec:
+  schedule: {{ .schedule | quote }}
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          restartPolicy: OnFailure
+          containers:
+            - name: housekeeper
+              image: "{{ .image.repository }}:{{ .image.tag }}"
+              imagePullPolicy: IfNotPresent
+              command: ["curl"]
+              args:
+                - --request
+                - POST
+                - --globoff
+                - --data-urlencode
+                - 'match[]={__name__!~"pagetron:.+"}'
+                - http://pagetron-prometheus:9090/api/v1/admin/tsdb/delete_series
+
+{{- end }}