Argo Rollouts実装

Author: na2na-p

infra/k8s/web/templates/hpa.yaml

@@ -7,8 +7,8 @@ metadata:
     {{- include "web.labels" . | nindent 4 }}
 spec:
   scaleTargetRef:
-    apiVersion: apps/v1
-    kind: Deployment
+    apiVersion: argoproj.io/v1alpha1
+    kind: Rollout
     name: {{ include "web.fullname" . }}
   minReplicas: {{ .Values.hpa.minReplicas }}
   maxReplicas: {{ .Values.hpa.maxReplicas }}

infra/k8s/web/templates/rollout.yaml

@@ -0,0 +1,47 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Rollout
+metadata:
+  name: {{ include "web.fullname" . }}
+  labels:
+    {{- include "web.labels" . | nindent 4 }}
+spec:
+  workloadRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ include "web.fullname" . }}
+  strategy:
+    blueGreen:
+      activeService: {{ include "web.fullname" . }}-active
+      previewService: {{ include "web.fullname" . }}-preview
+      autoPromotionEnabled: false
+      scaleDownDelaySeconds: 30
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "web.fullname" . }}-active
+  labels:
+    {{- include "web.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  selector:
+    {{- include "web.selectorLabels" . | nindent 4 }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.port }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "web.fullname" . }}-preview
+  labels:
+    {{- include "web.labels" . | nindent 4 }}
+spec:
+  type: ClusterIP
+  selector:
+    {{- include "web.selectorLabels" . | nindent 4 }}
+  ports:
+    - name: http
+      port: {{ .Values.service.port }}
+      targetPort: {{ .Values.service.port }}