Fix coding style and change app yaml

Author: micw523

examples/create_deployment_from_yaml.py

@@ -16,7 +16,7 @@
 
 import yaml
 
-from kubernetes import client, utils, config
+from kubernetes import client, config, utils
 
 
 def main():
@@ -26,5 +26,6 @@ def main():
     config.load_kube_config()
     k8s_api = utils.create_from_yaml("nginx-deployment.yaml")
 
+
 if __name__ == '__main__':
     main()

kubernetes/e2e_test/test_utils.py

@@ -34,9 +34,9 @@ def test_app_yaml(self):
         deployment_name = []
         for item in deployments:
             deployment_name.append(item.metadata.name)
-        self.assertIn("nginx-deployment-app", deployment_name)
+        self.assertIn("redis-master", deployment_name)
         resp = k8s_api.delete_namespaced_deployment(
-            name="nginx-deployment-app", namespace="default", 
+            name="redis-master", namespace="default", 
             body={})
 
     def test_extension_yaml(self):

kubernetes/e2e_test/test_yaml/app.yaml

@@ -1,21 +1,29 @@
-apiVersion: apps/v1
+apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
 kind: Deployment
 metadata:
-  name: nginx-deployment-app
+  name: redis-master
   labels:
-    app: nginx
+    app: redis
 spec:
-  replicas: 3
   selector:
     matchLabels:
-      app: nginx
+      app: redis
+      role: master
+      tier: backend
+  replicas: 1
   template:
     metadata:
       labels:
-        app: nginx
+        app: redis
+        role: master
+        tier: backend
     spec:
       containers:
-      - name: nginx
-        image: nginx:1.15.4
+      - name: master
+        image: k8s.gcr.io/redis:e2e  # or just image: redis
+        resources:
+          requests:
+            cpu: 100m
+            memory: 100Mi
         ports:
-        - containerPort: 80
+        - containerPort: 6379