k8s: add liveness/readiness probes

Signed-off-by: Ahmet Alp Balkan <ahmetb@google.com>

kubernetes-manifests/cartservice.yaml

@@ -27,6 +27,12 @@ spec:
           limits:
             cpu: 300m
             memory: 128Mi
+        readinessProbe:
+          tcpSocket:
+             port: 7070
+        livenessProbe:
+          tcpSocket:
+             port: 7070
 ---
 apiVersion: v1
 kind: Service

kubernetes-manifests/checkoutservice.yaml

@@ -13,6 +13,14 @@ spec:
           image: checkoutservice
           ports:
           - containerPort: 5050
+          readinessProbe:
+            periodSeconds: 5
+            tcpSocket:
+              port: 5050
+          livenessProbe:
+            periodSeconds: 5
+            tcpSocket:
+              port: 5050
           env:
           - name: PRODUCT_CATALOG_SERVICE_ADDR
             value: "productcatalogservice:3550"

kubernetes-manifests/currencyservice.yaml

@@ -13,6 +13,14 @@ spec:
         image: currencyservice
         ports:
         - containerPort: 31337
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 31337
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 31337
         resources:
           requests:
             cpu: 100m

kubernetes-manifests/emailservice.yaml

@@ -12,7 +12,15 @@ spec:
       - name: server
         image: emailservice
         ports:
-        - containerPort: 5000
+        - containerPort: 8080
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 8080
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 8080
         resources:
           requests:
             cpu: 100m

kubernetes-manifests/paymentservice.yaml

@@ -13,6 +13,14 @@ spec:
         image: paymentservice
         ports:
         - containerPort: 50051
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 50051
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 50051
         resources:
           requests:
             cpu: 100m

kubernetes-manifests/productcatalogservice.yaml

@@ -13,6 +13,14 @@ spec:
         image: productcatalogservice
         ports:
         - containerPort: 3550
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 3550
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 3550
         resources:
           requests:
             cpu: 100m

kubernetes-manifests/recommendationservice.yaml

@@ -13,6 +13,14 @@ spec:
         image: recommendationservice
         ports:
         - containerPort: 8080
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 8080
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 8080
         env:
         - name: PRODUCT_CATALOG_SERVICE_ADDR
           value: "productcatalogservice:3550"

kubernetes-manifests/redis.yaml

@@ -11,6 +11,16 @@ spec:
       containers:
       - name: redis
         image: redis:alpine
+        ports:
+        - containerPort: 6379
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 6379
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 6379
         volumeMounts:
         - mountPath: /data
           name: redis-data

kubernetes-manifests/shippingservice.yaml

@@ -13,6 +13,14 @@ spec:
         image: shippingservice
         ports:
         - containerPort: 50051
+        readinessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 50051
+        livenessProbe:
+          periodSeconds: 5
+          tcpSocket:
+            port: 50051
         resources:
           requests:
             cpu: 100m