deploy: add static deployment, add resource reservations/limits

helm/passbook/templates/appgw-deployment.yaml

@@ -28,8 +28,10 @@ spec:
         - name: {{ .Chart.Name }}
           image: "docker.beryju.org/passbook/server:{{ .Values.image.tag }}"
           imagePullPolicy: IfNotPresent
-          command: ["/bin/sh","-c"]
+          command:
-          args: ["./manage.py migrate && ./manage.py app_gw_web"]
+            - ./manage.py
+          args:
+            - app_gw_web
           ports:
             - name: http
               containerPort: 8000
@@ -52,16 +54,9 @@ spec:
                 - name: Host
                   value: kubernetes-healthcheck-host
           resources:
-{{ toYaml .Values.resources | indent 12 }}
+            requests:
-    {{- with .Values.nodeSelector }}
+              cpu: 150m
-      nodeSelector:
+              memory: 300M
-{{ toYaml . | indent 8 }}
+            limits:
-    {{- end }}
+              cpu: 500m
-    {{- with .Values.affinity }}
+              memory: 500M
-      affinity:
-{{ toYaml . | indent 8 }}
-    {{- end }}
-    {{- with .Values.tolerations }}
-      tolerations:
-{{ toYaml . | indent 8 }}
-    {{- end }}

helm/passbook/templates/ingress.yaml

@@ -1,6 +1,5 @@
 {{- if .Values.ingress.enabled -}}
 {{- $fullName := include "passbook.fullname" . -}}
-{{- $ingressPath := .Values.ingress.path -}}
 apiVersion: extensions/v1beta1
 kind: Ingress
 metadata:
@@ -30,16 +29,20 @@ spec:
     - host: {{ . | quote }}
       http:
         paths:
-          - path: {{ $ingressPath }}
+          - path: /
             backend:
               serviceName: {{ $fullName }}-web
               servicePort: http
+          - path: /static/
+            backend:
+              serviceName: {{ $fullname }}-static
+              servicePort: http
   {{- end }}
   {{- range .Values.ingress.app_gw_hosts }}
     - host: {{ . | quote }}
       http:
         paths:
-          - path: {{ $ingressPath }}
+          - path: /
             backend:
               serviceName: {{ $fullName }}-appgw
               servicePort: http

helm/passbook/templates/static-deployment.yaml

@@ -0,0 +1,56 @@
+apiVersion: apps/v1beta2
+kind: Deployment
+metadata:
+  name: {{ include "passbook.fullname" . }}-static
+  labels:
+    app.kubernetes.io/name: {{ include "passbook.name" . }}
+    helm.sh/chart: {{ include "passbook.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+spec:
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ include "passbook.name" . }}
+      app.kubernetes.io/instance: {{ .Release.Name }}
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: {{ include "passbook.name" . }}
+        app.kubernetes.io/instance: {{ .Release.Name }}
+        k8s.passbook.io/component: static
+      annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: '9113'
+        field.cattle.io/workloadMetrics: '[{"path":"/metrics","port":9113,"schema":"HTTP"}]'
+    spec:
+      containers:
+        - name: {{ .Chart.Name }}-static-prometheus
+          image: nginx/nginx-prometheus-exporter:0.4.1
+          imagePullPolicy: IfNotPresent
+        - name: {{ .Chart.Name }}-static
+          image: "docker.beryju.org/passbook/static:{{ .Values.image.tag }}"
+          imagePullPolicy: IfNotPresent
+          ports:
+            - name: http
+              containerPort: 80
+              protocol: TCP
+          livenessProbe:
+            initialDelaySeconds: 10
+            timeoutSeconds: 5
+            httpGet:
+              path: /_/healthz
+              port: http
+          readinessProbe:
+            initialDelaySeconds: 10
+            timeoutSeconds: 5
+            httpGet:
+              path: /_/healthz
+              port: http
+          resources:
+            requests:
+              cpu: 10m
+              memory: 10M
+            limits:
+              cpu: 20m
+              memory: 20M
+

helm/passbook/templates/static-service.yaml

@@ -0,0 +1,21 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "passbook.fullname" . }}-static
+  labels:
+    app.kubernetes.io/name: {{ include "passbook.name" . }}
+    helm.sh/chart: {{ include "passbook.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+    k8s.passbook.io/component: static
+spec:
+  type: ClusterIP
+  ports:
+    - port: 80
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    app.kubernetes.io/name: {{ include "passbook.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    k8s.passbook.io/component: static

helm/passbook/templates/web-deployment.yaml

@@ -24,12 +24,24 @@ spec:
         - name: config-volume
           configMap:
             name: {{ include "passbook.fullname" . }}-config
+      initContainers:
+        - name: passbook-database-migrations
+          image: "docker.beryju.org/passbook/server:{{ .Values.image.tag }}"
+          command:
+            - ./manage.py
+          args:
+            - migrate
+          volumeMounts:
+            - mountPath: /etc/passbook
+              name: config-volume
       containers:
         - name: {{ .Chart.Name }}
           image: "docker.beryju.org/passbook/server:{{ .Values.image.tag }}"
           imagePullPolicy: IfNotPresent
-          command: ["/bin/sh","-c"]
+          command:
-          args: ["./manage.py migrate && ./manage.py web"]
+            - ./manage.py
+          args:
+            - web
           ports:
             - name: http
               containerPort: 8000
@@ -52,16 +64,9 @@ spec:
                 - name: Host
                   value: kubernetes-healthcheck-host
           resources:
-{{ toYaml .Values.resources | indent 12 }}
+            requests:
-    {{- with .Values.nodeSelector }}
+              cpu: 50m
-      nodeSelector:
+              memory: 150M
-{{ toYaml . | indent 8 }}
+            limits:
-    {{- end }}
+              cpu: 200m
-    {{- with .Values.affinity }}
+              memory: 300M
-      affinity:
-{{ toYaml . | indent 8 }}
-    {{- end }}
-    {{- with .Values.tolerations }}
-      tolerations:
-{{ toYaml . | indent 8 }}
-    {{- end }}

helm/passbook/templates/worker-deployment.yaml

@@ -28,7 +28,10 @@ spec:
         - name: {{ .Chart.Name }}
           image: "docker.beryju.org/passbook/server:{{ .Values.image.tag }}"
           imagePullPolicy: IfNotPresent
-          command: ["./manage.py", "worker"]
+          command:
+            - ./manage.py
+          args:
+            - worker
           ports:
             - name: http
               containerPort: 8000
@@ -37,16 +40,9 @@ spec:
             - mountPath: /etc/passbook
               name: config-volume
           resources:
-{{ toYaml .Values.resources | indent 12 }}
+            requests:
-    {{- with .Values.nodeSelector }}
+              cpu: 150m
-      nodeSelector:
+              memory: 400M
-{{ toYaml . | indent 8 }}
+            limits:
-    {{- end }}
+              cpu: 300m
-    {{- with .Values.affinity }}
+              memory: 600M
-      affinity:
-{{ toYaml . | indent 8 }}
-    {{- end }}
-    {{- with .Values.tolerations }}
-      tolerations:
-{{ toYaml . | indent 8 }}
-    {{- end }}