create/delete the operator deployment

e2e/tests/test_example.py

@@ -1,5 +1,5 @@
 
-import unittest, yaml
+import unittest, yaml, time
 from kubernetes import client, config, utils
 from pprint import pprint
 import subprocess
@@ -8,6 +8,7 @@ class SampleTestCase(unittest.TestCase):
 
     nodes = set(["kind-test-postgres-operator-worker", "kind-test-postgres-operator-worker2", "kind-test-postgres-operator-worker3"])
 
+    config = None
     @classmethod
     def setUpClass(cls):
 
@@ -16,19 +17,28 @@ class SampleTestCase(unittest.TestCase):
         _ = config.load_kube_config()
         k8s_client = client.ApiClient()
 
-        # HACK create_from_yaml fails with multiple object defined within a single file
-        # which is exactly the case with RBAC definition
+        # TODO split into multiple files
         subprocess.run(["kubectl", "create", "-f", "manifests/operator-service-account-rbac.yaml"])
 
         for filename in ["configmap.yaml", "postgres-operator.yaml"]:
             path = "manifests/" + filename
             utils.create_from_yaml(k8s_client, path)
-        
-        #TODO wait until operator pod starts up label ; name=postgres-operator
+
+        v1 = client.CoreV1Api()
+        pod_phase = None
+
+        while pod_phase != 'Running':
+            pods = v1.list_namespaced_pod('default', label_selector='name=postgres-operator').items
+            if pods:
+               operator_pod = pods[0]
+               pod_phase = operator_pod.status.phase
+               print("Waiting for the operator pod to start. Current phase: " + pod_phase)
+               time.sleep(5)
 
     @classmethod
     def tearDownClass(cls):
-        pass
+        apps_v1 = client.AppsV1Api()
+        _ = apps_v1.delete_namespaced_deployment("postgres-operator", "default")
 
     def setUp(self):
         self.config = config.load_kube_config()
@@ -54,7 +64,7 @@ class SampleTestCase(unittest.TestCase):
             v1_node_var = self.v1.read_node(node)
             if v1_node_var.metadata.labels['lifecycle-status'] == 'ready':
                 labelled_nodes.add(v1_node_var.metadata.name)
-
+        
         self.assertEqual(self.nodes, labelled_nodes,"nodes incorrectly labelled")
 
     def tearDown(self):