Merge pull request #1 from arshadsiddique/PR-code

Added the automation code

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  validate-helm:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Helm
+        uses: azure/setup-helm@v1
+        with:
+          version: v3.8.0
+
+      - name: Validate Helm charts
+        run: |
+          helm lint helm-charts/redis
+          helm lint helm-charts/rollouts-demo
+
+  terraform-plan:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Setup Terraform
+        uses: hashicorp/setup-terraform@v2
+        with:
+          terraform_version: 1.0.0
+
+      - name: Terraform Init
+        run: terraform init
+
+      - name: Terraform Validate
+        run: terraform validate
+
+      - name: Terraform Plan
+        id: plan
+        run: terraform plan

helm-charts/redis/Chart.yaml

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+---
+apiVersion: v2
+name: redis
+description: A Helm chart for Redis
+version: 0.1.0

helm-charts/redis/templates/ingress.yaml

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+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: redis-ingress
+spec:
+  ingressClassName: nginx
+  rules:
+  - host: {{ .Values.ingressHost }}
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: service-redis
+            port:
+              number: 6379
+

helm-charts/redis/templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: redis-svc
+  namespace: default
+spec:
+  ports:
+  - port: 6379
+  selector:
+    app: redis

helm-charts/redis/templates/statefulset.yaml

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+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: redis
+  namespace: default
+spec:
+  serviceName: "redis"
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      app: redis
+  template:
+    metadata:
+      labels:
+        app: redis
+    spec:
+      containers:
+      - name: redis
+        image: {{ .Values.image }}
+        ports:
+        - containerPort: 6379
+        volumeMounts:
+        - name: redis-data
+          mountPath: /data
+  volumeClaimTemplates:
+  - metadata:
+      name: redis-data
+    spec:
+      accessModes: [ "ReadWriteOnce" ]
+      resources:
+        requests:
+          storage: {{ .Values.storage }}

helm-charts/redis/values.yaml

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+---
+replicaCount: 1
+image: "redis:latest"
+storage: "1Gi"
+ingressHost: "redis.local"

helm-charts/rollouts-demo/Chart.yaml

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+---
+apiVersion: v2
+name: rollouts-demo
+description: A Helm chart for Rollouts Demo
+version: 0.1.0

helm-charts/rollouts-demo/templates/ingress.yaml

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+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: rollouts-demo-primary
+spec:
+  ingressClassName: nginx
+  rules:
+  - host: {{ .Values.ingressHost }}
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: rollouts-demo-primary
+            port:
+              number: 80

helm-charts/rollouts-demo/templates/rollout.yaml

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+---
+apiVersion: argoproj.io/v1alpha1
+kind: Rollout
+metadata:
+  name: rollouts-demo
+spec:
+  replicas: {{ .Values.replicas }}
+  strategy:
+    canary:
+      canaryService: rollouts-demo-canary
+      stableService: rollouts-demo-primary
+      trafficRouting:
+        nginx:
+          stableIngress: rollouts-demo-primary
+      steps:
+      - setWeight: 20
+      - pause: {}
+  revisionHistoryLimit: 2
+  selector:
+    matchLabels:
+      app: rollouts-demo
+  template:
+    metadata:
+      labels:
+        app: rollouts-demo
+    spec:
+      containers:
+      - name: rollouts-demo
+        image: {{ .Values.image }}
+        ports:
+        - name: http
+          containerPort: 8080
+          protocol: TCP
+        resources:
+          requests:
+            memory: 32Mi
+            cpu: 5m
+

helm-charts/rollouts-demo/templates/service-canary.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rollouts-demo-canary
+spec:
+  ports:
+  - port: 80
+    targetPort: http
+    protocol: TCP
+    name: http
+  selector:
+    app: rollouts-demo

helm-charts/rollouts-demo/templates/service-primary.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: rollouts-demo-primary
+spec:
+  ports:
+  - port: 80
+    targetPort: http
+    protocol: TCP
+    name: http
+  selector:
+    app: rollouts-demo
+

helm-charts/rollouts-demo/values.yaml

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+---
+replicas: 4
+image: "argoproj/rollouts-demo:green"
+ingressHost: "rollouts-demo.local"

main.tf

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+provider "kubernetes" {
+  config_path = "~/.kube/config"
+}
+
+provider "helm" {
+  kubernetes {
+    config_path = "~/.kube/config"
+  }
+}
+
+resource "helm_release" "redis" {
+  name       = "redis"
+  chart      = "./helm-charts/redis"
+
+  values = [
+    file("./helm-charts/redis/values.yaml")
+  ]
+}
+
+resource "helm_release" "rollouts_demo" {
+  name       = "rollouts-demo"
+  chart      = "./helm-charts/rollouts-demo"
+
+  values = [
+    file("./helm-charts/rollouts-demo/values.yaml")
+  ]
+
+  provisioner "local-exec" {
+    command = "kubectl argo rollouts set image rollouts-demo rollouts-demo=argoproj/rollouts-demo:blue"
+    on_failure = continue
+  }
+}