Add readiness probes to deployments in functional tests (#3740)

Problem: Functional tests failed inconsistently, due to deployments and pods not be ready.

Solution: Added readiness probes to all deployments.

Author: sarthyparty

tests/suite/manifests/advanced-routing/cafe.yaml

@@ -17,6 +17,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -50,6 +54,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -83,6 +91,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/advanced-routing/grpc-backends.yaml

@@ -29,11 +29,16 @@ spec:
       containers:
       - name: grpc-infra-backend-v1
         image: ghcr.io/nginx/kic-test-grpc-server:0.2.5
+        ports:
+        - containerPort: 50051
         env:
         - name: POD_NAME
           valueFrom:
             fieldRef:
               fieldPath: metadata.name
+        readinessProbe:
+          tcpSocket:
+            port: 50051
         resources:
           requests:
             cpu: 10m
@@ -69,11 +74,16 @@ spec:
       containers:
       - name: grpc-infra-backend-v2
         image: ghcr.io/nginx/kic-test-grpc-server:edge
+        ports:
+        - containerPort: 50051
         env:
         - name: POD_NAME
           valueFrom:
             fieldRef:
               fieldPath: metadata.name
+        readinessProbe:
+          tcpSocket:
+            port: 50051
         resources:
           requests:
             cpu: 10m

tests/suite/manifests/clientsettings/cafe.yaml

@@ -17,6 +17,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -50,6 +54,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -83,6 +91,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/clientsettings/grpc-backend.yaml

@@ -29,11 +29,16 @@ spec:
       containers:
       - name: grpc-backend
         image: ghcr.io/nginx/kic-test-grpc-server:0.2.5
+        ports:
+        - containerPort: 50051
         env:
         - name: POD_NAME
           valueFrom:
             fieldRef:
               fieldPath: metadata.name
+        readinessProbe:
+          tcpSocket:
+            port: 50051
         resources:
           requests:
             cpu: 10m

tests/suite/manifests/dp-perf/coffee.yaml

@@ -17,6 +17,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/hello-world/apps.yaml

@@ -17,6 +17,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -50,6 +54,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -83,6 +91,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/ngf-upgrade/cafe.yaml

@@ -17,6 +17,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -50,6 +54,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/reconfig/cafe.yaml

@@ -17,6 +17,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service
@@ -50,6 +54,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/scale/matches.yaml

@@ -31,6 +31,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service

tests/suite/manifests/scale/upstreams.yaml

@@ -51,6 +51,10 @@ spec:
         image: nginxdemos/nginx-hello:plain-text
         ports:
         - containerPort: 8080
+        readinessProbe:
+          httpGet:
+            path: /
+            port: 8080
 ---
 apiVersion: v1
 kind: Service