yay

plum/service.py

@@ -0,0 +1,30 @@
+class Service(object):
+    def __init__(self, client, image, command):
+        self.client = client
+        self.image = image
+        self.command = command
+
+    @property
+    def containers(self):
+        return self.client.containers()
+
+    def start(self):
+        if len(self.containers) == 0:
+            self.start_container()
+
+    def stop(self):
+        self.scale(0)
+
+    def scale(self, num):
+        while len(self.containers) < num:
+            self.start_container()
+
+        while len(self.containers) > num:
+            self.stop_container()
+
+    def start_container(self):
+        container = self.client.create_container(self.image, self.command)
+        self.client.start(container['Id'])
+
+    def stop_container(self):
+        self.client.kill(self.containers[0]['Id'])