feat(controller): add faulty cluster

This cluster type is intended for development purposes so that
we can test a container's state when the scheduler fails to spawn
a container.

Author: Matthew Fisher

controller/api/models.py

@@ -63,7 +63,8 @@ class Cluster(UuidAuditedModel):
     """
 
     CLUSTER_TYPES = (('mock', 'Mock Cluster'),
-                     ('coreos', 'CoreOS Cluster'))
+                     ('coreos', 'CoreOS Cluster'),
+                     ('faulty', 'Faulty Cluster'))
 
     owner = models.ForeignKey(settings.AUTH_USER_MODEL)
     id = models.CharField(max_length=128, unique=True)

controller/scheduler/faulty.py

@@ -0,0 +1,31 @@
+class FaultyClient(object):
+    """A faulty scheduler that will always fail"""
+
+    def __init__(self, cluster_name, hosts, auth, domain, options):
+        pass
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def create(self, name, image, command='', template=None, port=5000):
+        raise Exception()
+
+    def start(self, name):
+        raise Exception()
+
+    def stop(self, name):
+        raise Exception()
+
+    def destroy(self, name):
+        raise Exception()
+
+    def run(self, name, image, command):
+        raise Exception()
+
+    def attach(self, name):
+        raise Exception()
+
+SchedulerClient = FaultyClient