Add the Docker client helper

admin/mailu/dockercli.py

@@ -0,0 +1,26 @@
+from mailu import app
+
+import docker
+import signal
+
+
+# Connect to the Docker socket
+cli = docker.Client(base_url=app.config['DOCKER_SOCKET'])
+
+
+def get(*names):
+    result = {}
+    all_containers = cli.containers(all=True)
+    for brief in all_containers:
+        if brief['Image'].startswith('mailu/'):
+            container = cli.inspect_container(brief['Id'])
+            container['Image'] = cli.inspect_image(container['Image'])
+            name = container['Config']['Labels']['com.docker.compose.service']
+            if not names or name in names:
+                result[name] = container
+    return result
+
+
+def reload(*names):
+    for name, container in get(*names).items():
+        cli.kill(container["Id"], signal.SIGHUP.value)