Added the WebStatus WatchDog to the Kubernetes cluster deployment

k8s/deploy.ps1

@@ -70,7 +70,7 @@ if(-not $deployCI) {
     docker-compose -p .. -f ../docker-compose.yml build
 
     Write-Host "Pushing images to $registry..." -ForegroundColor Yellow
-    $services = ("basket.api", "catalog.api", "identity.api", "ordering.api", "webmvc", "webspa")
+    $services = ("basket.api", "catalog.api", "identity.api", "ordering.api", "webmvc", "webspa", "webstatus")
     foreach ($service in $services) {
         docker tag eshop/$service $registry/eshop/$service
         docker push $registry/eshop/$service
@@ -88,10 +88,17 @@ while ($true) {
 
 ExecKube -cmd 'create configmap urls `
     --from-literal=BasketUrl=http://$($frontendUrl)/basket-api `
+    --from-literal=BasketHealthCheckUrl=http://$($frontendUrl)/basket-api/hc `
     --from-literal=CatalogUrl=http://$($frontendUrl)/catalog-api `
+    --from-literal=CatalogHealthCheckUrl=http://$($frontendUrl)/catalog-api/hc `
     --from-literal=IdentityUrl=http://$($frontendUrl)/identity `
+    --from-literal=IdentityHealthCheckUrl=http://$($frontendUrl)/identity/hc `
     --from-literal=OrderingUrl=http://$($frontendUrl)/ordering-api `
+    --from-literal=OrderingHealthCheckUrl=http://$($frontendUrl)/ordering-api/hc `
     --from-literal=MvcClient=http://$($frontendUrl)/webmvc `
+    --from-literal=WebMvcHealthCheckUrl=http://$($frontendUrl)/webmvc/hc `
+    --from-literal=WebStatusClient=http://$($frontendUrl)/webstatus `
+    --from-literal=WebSpaHealthCheckUrl=http://$($frontendUrl)/hc `
     --from-literal=SpaClient=http://$($frontendUrl)'
 
 ExecKube -cmd 'label configmap urls app=eshop'
@@ -109,9 +116,11 @@ if(-not $deployCI) {
         identity=$registry/eshop/identity.api `
         ordering=$registry/eshop/ordering.api `
         webmvc=$registry/eshop/webmvc `
+        webstatus=$registry/eshop/webstatus `
         webspa=$registry/eshop/webspa'
 }
 
 ExecKube -cmd 'rollout resume -f deployments.yaml'
 
-Write-Host "WebSPA is exposed at http://$frontendUrl, WebMVC at http://$frontendUrl/webmvc" -ForegroundColor Yellow
+Write-Host "WebSPA is exposed at http://$frontendUrl, WebMVC at http://$frontendUrl/webmvc, WebStatus at http://$frontendUrl/webstatus" -ForegroundColor Yellow
+

k8s/deployments.yaml

@@ -186,6 +186,61 @@ spec:
       imagePullSecrets:
       - name: registry-key
 ---
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: webstatus
+spec:
+  paused: true
+  template:
+    metadata:
+      labels:
+        app: eshop
+        component: webstatus
+    spec:
+      containers:
+      - name: webstatus
+        image: eshop/webstatus
+        imagePullPolicy: Always
+        env:
+        - name: ASPNETCORE_URLS
+          value: http://0.0.0.0:80/webstatus
+        - name: BasketUrl
+          valueFrom:
+           configMapKeyRef:
+             name: urls
+             key: BasketHealthCheckUrl
+        - name: CatalogUrl
+          valueFrom:
+           configMapKeyRef:
+             name: urls
+             key: CatalogHealthCheckUrl
+        - name: IdentityUrl
+          valueFrom:
+           configMapKeyRef:
+             name: urls
+             key: IdentityHealthCheckUrl
+        - name: OrderingUrl
+          valueFrom:
+           configMapKeyRef:
+             name: urls
+             key: OrderingHealthCheckUrl
+        - name: mvc
+          valueFrom:
+           configMapKeyRef:
+             name: urls
+             key: WebMvcHealthCheckUrl
+        - name: spa
+          valueFrom:
+           configMapKeyRef:
+             name: urls
+             key: WebSpaHealthCheckUrl             
+        ports:
+        - containerPort: 80
+      imagePullSecrets:
+      - name: registry-key
+---
 apiVersion: extensions/v1beta1
 kind: Deployment
 metadata:

k8s/nginx.conf

@@ -65,6 +65,12 @@ http {
             proxy_set_header Host $host;
         }
 
+        location /webstatus {
+            proxy_pass http://webstatus;
+            proxy_redirect off;
+            proxy_set_header Host $host;
+        }
+
         location / {
             proxy_pass http://webspa;
             proxy_redirect off;

k8s/services.yaml

@@ -70,6 +70,20 @@ spec:
 ---
 apiVersion: v1
 kind: Service
+metadata:
+  labels:
+    app: eshop
+    component: webstatus
+  name: webstatus
+spec:
+  ports:
+  - port: 80
+  selector:
+    app: eshop
+    component: webstatus
+---
+apiVersion: v1
+kind: Service
 metadata:
   labels:
     app: eshop