Canary Deployment feature of Istio #116

deployments/destination-rules.yaml

@@ -0,0 +1,13 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: DestinationRule
+metadata:
+  name: ui-app
+spec:
+  host: ui-app
+  subsets:
+  - name: v1
+    labels:
+      version: v1
+  - name: v2
+    labels:
+      version: v2

deployments/gateway-istio.yaml

@@ -0,0 +1,29 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: Gateway
+metadata:
+  name: captivate-gateway
+spec:
+  selector:
+    istio: ingressgateway 
+  servers:
+  - port:
+      number: 80
+      name: http
+      protocol: HTTP
+    hosts:
+    - "*"
+
+---
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: api-gateway
+spec:
+  hosts:
+  - api-gateway
+  gateways:
+  - captivate-gateway
+  http:
+  - route:
+    - destination:
+       host: api-gateway

deployments/ui-vm.yaml

@@ -1,7 +1,9 @@
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: ui-deployment
+  name: ui-deployment-v1
+  labels:
+    version: v1
 spec:
   replicas: 1
   selector:
@@ -11,10 +13,36 @@ spec:
     metadata:
       labels:
         app: ui-app
+        version: v1
     spec:
       containers:
       - name: ui
         image: adiselv/captivate.ui:0.0.2
         imagePullPolicy: Always
         ports:
         - containerPort: 3000
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ui-deployment-v2
+  labels:
+    version: v2
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: ui-app
+  template:
+    metadata:
+      labels:
+        app: ui-app
+        version: v2
+    spec:
+      containers:
+      - name: ui
+        image: shubhangis91/captivate-ui-v2:v2.0
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 3000

deployments/ui.yaml

@@ -15,7 +15,9 @@ spec:
 apiVersion: apps/v1
 kind: Deployment
 metadata:
-  name: ui-deployment
+  name: ui-deployment-v1
+  labels:
+    version: v1
 spec:
   replicas: 1
   selector:
@@ -25,6 +27,7 @@ spec:
     metadata:
       labels:
         app: ui-app
+        version: v1
     spec:
       containers:
       - name: ui
@@ -33,3 +36,28 @@ spec:
         ports:
         - containerPort: 3000
 
+---
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: ui-deployment-v2
+  labels:
+    version: v2
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: ui-app
+  template:
+    metadata:
+      labels:
+        app: ui-app
+        version: v2
+    spec:
+      containers:
+      - name: ui
+        image: shubhangis91/captivate-ui-v2:v2.0
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 3000

deployments/virtual-services.yaml

@@ -0,0 +1,48 @@
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: ui-service
+spec:
+  hosts: ui-app
+  gateways: api-gateway
+  http:
+  - route:
+    - destination:
+        host: ui-app
+        subset: v1
+      weight: 80
+    - destination:
+        host: ui-app
+        subset: v2
+      weight: 20		
+---
+
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: session-management
+spec:
+  hosts:
+  - session-management
+  gateways:
+  - captivate-gateway
+  http:
+  - route:
+    - destination:
+        host: session-management
+
+---
+
+apiVersion: networking.istio.io/v1alpha3
+kind: VirtualService
+metadata:
+  name: user-management
+spec:
+  hosts:
+  - user-management
+  gateways:
+  - captivate-gateway
+  http:
+  - route:
+    - destination:
+        host: user-management