Argo Rollout

.gitignore

@@ -1,4 +1,5 @@
 /.idea
 /*.iml
 /public
-/devops-toolkit
+/devops-toolkit
+/env

Dockerfile

@@ -1,7 +1,5 @@
 FROM nginx:stable-alpine
-# FROM bitnami/nginx
 
 RUN mv /usr/share/nginx/html/index.html /usr/share/nginx/html/old-index.html
 COPY public /usr/share/nginx/html
-# COPY public /app
 EXPOSE 80

helm/templates/deployment.yaml

@@ -1,5 +1,7 @@
-{{- if .Values.knativeDeploy }}
+{{- if or .Values.knativeDeploy .Values.rollout.deploy }}
 {{- else }}
+---
+
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -11,37 +13,32 @@ spec:
   selector:
     matchLabels:
       app: {{ template "fullname" . }}
-  replicas: {{ .Values.replicaCount }}
   template:
     metadata:
       labels:
         app: {{ template "fullname" . }}
-{{- if .Values.podAnnotations }}
-      annotations:
-{{ toYaml .Values.podAnnotations | indent 8 }}
-{{- end }}
     spec:
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
         imagePullPolicy: {{ .Values.image.pullPolicy }}
         ports:
-        - containerPort: {{ .Values.service.internalPort }}
+        - containerPort: 80
         livenessProbe:
           httpGet:
-            path: {{ .Values.probePath }}
-            port: {{ .Values.service.internalPort }}
-          initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
-          periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
-          successThreshold: {{ .Values.livenessProbe.successThreshold }}
-          timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
+            path: /
+            port: 80
+          initialDelaySeconds: 60
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
         readinessProbe:
           httpGet:
-            path: {{ .Values.probePath }}
-            port: {{ .Values.service.internalPort }}
-          periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
-          successThreshold: {{ .Values.readinessProbe.successThreshold }}
-          timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
+            path: /
+            port: 80
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
         resources:
 {{ toYaml .Values.resources | indent 12 }}
 {{- end }}

helm/templates/hpa.yaml

@@ -0,0 +1,24 @@
+{{- if .Values.hpa }}
+---
+
+apiVersion: autoscaling/v1
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ template "fullname" . }}
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+    app: {{ template "fullname" . }}
+spec:
+  minReplicas: 2
+  maxReplicas: 6
+  scaleTargetRef:
+  {{- if .Values.rollout.deploy }}
+    apiVersion: argoproj.io/v1alpha1
+    kind: Rollout
+  {{- else }}
+    apiVersion: apps/v1
+    kind: Deployment
+  {{- end }}
+    name: {{ template "fullname" . }}
+  targetCPUUtilizationPercentage: 80
+{{- end }}

helm/templates/ing.yaml

@@ -1,5 +1,10 @@
 ---
+
+{{- if .Capabilities.APIVersions.Has "networking.k8s.io/v1beta1" }}
+apiVersion: networking.k8s.io/v1beta1
+{{ else }}
 apiVersion: extensions/v1beta1
+{{ end -}}
 kind: Ingress
 metadata:
   name: {{ template "fullname" . }}
@@ -8,12 +13,11 @@ metadata:
     chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
   annotations:
     kubernetes.io/ingress.class: "nginx"
-    certmanager.k8s.io/issuer: "letsencrypt-prod"
 spec:
   rules:
   - http:
       paths:
       - backend:
-          serviceName: {{ .Values.service.name }}
+          serviceName: {{ template "fullname" . }}
           servicePort: 80
     host: {{ .Values.ingress.host }}

helm/templates/ksvc.yaml

@@ -1,12 +1,10 @@
+---
+
 {{- if .Values.knativeDeploy }}
 apiVersion: serving.knative.dev/v1alpha1
 kind: Service
 metadata:
-{{- if .Values.service.name }}
-  name: {{ .Values.service.name }}
-{{- else }}
   name: {{ template "fullname" . }}
-{{- end }}
   labels:
     chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
 spec:
@@ -19,17 +17,17 @@ spec:
             imagePullPolicy: {{ .Values.image.pullPolicy }}
             livenessProbe:
               httpGet:
-                path: {{ .Values.probePath }}
-              initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
-              periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
-              successThreshold: {{ .Values.livenessProbe.successThreshold }}
-              timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
+                path: /
+              initialDelaySeconds: 60
+              periodSeconds: 10
+              successThreshold: 1
+              timeoutSeconds: 1
             readinessProbe:
               httpGet:
-                path: {{ .Values.probePath }}
-              periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
-              successThreshold: {{ .Values.readinessProbe.successThreshold }}
-              timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
+                path: /
+              periodSeconds: 10
+              successThreshold: 1
+              timeoutSeconds: 1
             resources:
 {{ toYaml .Values.resources | indent 14 }}
 {{- end }}

helm/templates/rollout.yaml

@@ -0,0 +1,70 @@
+{{- if .Values.rollout.deploy }}
+---
+
+apiVersion: argoproj.io/v1alpha1
+kind: Rollout
+metadata:
+  name: {{ template "fullname" . }}
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+    app: {{ template "fullname" . }}
+spec:
+  selector:
+    matchLabels:
+      app: {{ template "fullname" . }}
+  template:
+    metadata:
+      labels:
+        app: {{ template "fullname" . }}
+    spec:
+      containers:
+      - name: {{ .Chart.Name }}
+        image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
+        imagePullPolicy: {{ .Values.image.pullPolicy }}
+        ports:
+        - containerPort: 80
+        livenessProbe:
+          httpGet:
+            path: /
+            port: 80
+          initialDelaySeconds: 60
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 80
+          periodSeconds: 10
+          successThreshold: 1
+          timeoutSeconds: 1
+        resources:
+{{ toYaml .Values.resources | indent 12 }}
+  strategy:
+    canary:
+      canaryService: {{ template "fullname" . }}-canary
+      stableService: {{ template "fullname" . }}
+      trafficRouting:
+        nginx:
+          stableIngress: {{ template "fullname" . }}
+      steps:
+{{ toYaml .Values.rollout.steps | indent 6 }}
+
+---
+
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ template "fullname" . }}-canary
+  labels:
+    chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 80
+    protocol: TCP
+    name: http
+  selector:
+    app: {{ template "fullname" . }}
+{{- end }}

helm/templates/service.yaml

@@ -1,24 +1,18 @@
+---
+
 {{- if .Values.knativeDeploy }}
 {{- else }}
 apiVersion: v1
 kind: Service
 metadata:
-{{- if .Values.service.name }}
-  name: {{ .Values.service.name }}
-{{- else }}
   name: {{ template "fullname" . }}
-{{- end }}
   labels:
     chart: "{{ .Chart.Name }}-{{ .Chart.Version | replace "+" "_" }}"
-{{- if .Values.service.annotations }}
-  annotations:
-{{ toYaml .Values.service.annotations | indent 4 }}
-{{- end }}
 spec:
-  type: {{ .Values.service.type }}
+  type: ClusterIP
   ports:
-  - port: {{ .Values.service.externalPort }}
-    targetPort: {{ .Values.service.internalPort }}
+  - port: 80
+    targetPort: 80
     protocol: TCP
     name: http
   selector:

helm/values.yaml

@@ -1,33 +1,30 @@
-replicaCount: 1
 image:
   repository: vfarcic/devops-toolkit-series
   tag: latest
   pullPolicy: IfNotPresent
-knativeDeploy: false
 ingress:
   host: devopstoolkitseries.com
-service:
-  name: devops-toolkit
-  type: ClusterIP
-  externalPort: 80
-  internalPort: 80
-  annotations:
-    fabric8.io/expose: "true"
-    fabric8.io/ingress.annotations: "kubernetes.io/ingress.class: nginx"
 resources:
   limits:
     cpu: 100m
     memory: 256Mi
   requests:
     cpu: 80m
     memory: 128Mi
-probePath: /
-livenessProbe:
-  initialDelaySeconds: 60
-  periodSeconds: 10
-  successThreshold: 1
-  timeoutSeconds: 1
 readinessProbe:
   periodSeconds: 10
   successThreshold: 1
   timeoutSeconds: 1
+hpa: false
+knativeDeploy: false
+rollout:
+  deploy: false
+  steps:
+  - setWeight: 20
+  - pause: {duration: 10}
+  - setWeight: 40
+  - pause: {duration: 10}
+  - setWeight: 60
+  - pause: {duration: 10}
+  - setWeight: 80
+  - pause: {duration: 10}

k8s/deployment.yaml

@@ -32,4 +32,5 @@ spec:
             memory: 256Mi
           requests:
             cpu: 80m
-            memory: 128Mi
+            memory: 128Mi
+

rollout/values-pause-x2.yaml

@@ -0,0 +1,12 @@
+hpa: true
+rollout:
+  deploy: true
+  steps:
+  - setWeight: 20
+  - pause: {}
+  - setWeight: 40
+  - pause: {}
+  - setWeight: 60
+  - pause: {duration: 10}
+  - setWeight: 80
+  - pause: {duration: 10}