#46 scope ALL_NODES to cluster

app.py

@@ -99,24 +99,38 @@ def index():
     return flask.render_template('index.html', app_js=app_js)
 
 
+def hash_int(x: int):
+    x = ((x >> 16) ^ x) * 0x45d9f3b
+    x = ((x >> 16) ^ x) * 0x45d9f3b
+    x = (x >> 16) ^ x
+    return x
+
+
 def generate_mock_cluster_data(index: int):
+    '''Generate deterministic (no randomness!) mock data'''
     nodes = []
+    pod_phases = ['Pending', 'Running', 'Running']
     for i in range(10):
         labels = {}
         if i < 2:
             labels['master'] = 'true'
         pods = []
-        for j in range(32):
+        for j in range(hash_int((index + 1) * (i + 1)) % 32):
+            phase = pod_phases[hash_int((index + 1) * (i + 1) * (j + 1)) % len(pod_phases)]
             containers = []
             for k in range(1):
-                containers.append({'name': 'myapp', 'image': 'foo/bar/{}'.format(j), 'resources': {}})
-            pods.append({'name': 'my-pod-{}'.format(j), 'namespace': 'default', 'labels': {}, 'status': {}, 'containers': containers})
+                containers.append({'name': 'myapp', 'image': 'foo/bar/{}'.format(j), 'resources': {'requests': {'cpu': '100m', 'memory': '100Mi'}}})
+            status = {'phase': phase}
+            if phase == 'Running':
+                if j % 10 == 0:
+                    status['containerStatuses'] = [{'ready': False, 'state': {'waiting': {'reason': 'CrashLoopBackOff'}}}]
+            pods.append({'name': 'my-pod-{}'.format(j), 'namespace': 'kube-system' if j < 3 else 'default', 'labels': labels, 'status': status, 'containers': containers})
         nodes.append({'name': 'node-{}'.format(i), 'labels': labels, 'status': {'capacity': {'cpu': '4', 'memory': '32Gi', 'pods': '110'}}, 'pods': pods})
     unassigned_pods = []
     return {
-       'api_server_url': 'https://kube-{}.example.org'.format(index),
-       'nodes': nodes,
-       'unassigned_pods': unassigned_pods
+        'api_server_url': 'https://kube-{}.example.org'.format(index),
+        'nodes': nodes,
+        'unassigned_pods': unassigned_pods
     }