Filter out "Evicted" pods (#158)

* Update kubernetes.py

* add failed pod phase

- Add mock data for failed pods
- Failed pods do not get a 'ready' or 'state' key in api. ( see issue #157 )

kube_ops_view/kubernetes.py

@@ -89,8 +89,8 @@ def query_kubernetes_cluster(cluster):
                     termination_time = parse_time(termination_time)
                     if termination_time > last_termination_time:
                         last_termination_time = termination_time
-            if last_termination_time and last_termination_time < now - 3600:
-                # the job/pod finished more than an hour ago
+            if (last_termination_time and last_termination_time < now - 3600) or (obj['reason'] in 'Evicted'):
+                # the job/pod finished more than an hour ago or if it is evicted by cgroup limits
                 # => filter out
                 continue
         pods_by_namespace_name[(obj['namespace'], obj['name'])] = obj

kube_ops_view/mock.py

@@ -23,7 +23,7 @@ def generate_mock_pod(index: int, i: int, j: int):
         'env': ['prod', 'dev'],
         'owner': ['x-wing', 'iris']
     }
-    pod_phases = ['Pending', 'Running', 'Running']
+    pod_phases = ['Pending', 'Running', 'Running', 'Failed']
 
     pod_labels = {}
     for li, k in enumerate(labels):
@@ -44,7 +44,10 @@ def generate_mock_pod(index: int, i: int, j: int):
             if j % 13 == 0:
                 container.update(**{'ready': False, 'state': {'waiting': {'reason': 'CrashLoopBackOff'}}})
             elif j % 7 == 0:
-                container.update(**{'ready': True, 'state': {'running': {}}, 'restartCount': 3})
+                container.update(**{'ready': False, 'state': {'running': {}}, 'restartCount': 3})
+        elif phase == 'Failed':
+            del container['state']
+            del container['ready']
         containers.append(container)
     pod = {
         'name': '{}-{}-{}'.format(names[hash_int((i + 1) * (j + 1)) % len(names)], i, j),