Implement restart command (Closes #98)

Signed-off-by: Mark Steve Samson <hello@marksteve.com>

fig/cli/main.py

@@ -90,6 +90,7 @@ class TopLevelCommand(Command):
       scale     Set number of containers for a service
       start     Start services
       stop      Stop services
+      restart   Restart services
       up        Create and start containers
 
     """
@@ -315,6 +316,14 @@ class TopLevelCommand(Command):
         """
         project.stop(service_names=options['SERVICE'])
 
+    def restart(self, project, options):
+        """
+        Restart running containers.
+
+        Usage: restart [SERVICE...]
+        """
+        project.restart(service_names=options['SERVICE'])
+
     def up(self, project, options):
         """
         Build, (re)create, start and attach to containers for a service.

fig/container.py

@@ -117,6 +117,9 @@ class Container(object):
     def kill(self):
         return self.client.kill(self.id)
 
+    def restart(self):
+        return self.client.restart(self.id)
+
     def remove(self, **options):
         return self.client.remove_container(self.id, **options)
 

fig/project.py

@@ -155,6 +155,10 @@ class Project(object):
         for service in reversed(self.get_services(service_names)):
             service.kill(**options)
 
+    def restart(self, service_names=None, **options):
+        for service in self.get_services(service_names):
+            service.restart(**options)
+
     def build(self, service_names=None, no_cache=False):
         for service in self.get_services(service_names):
             if service.can_be_built():

fig/service.py

@@ -89,6 +89,11 @@ class Service(object):
             log.info("Killing %s..." % c.name)
             c.kill(**options)
 
+    def restart(self, **options):
+        for c in self.containers():
+            log.info("Restarting %s..." % c.name)
+            c.restart(**options)
+
     def scale(self, desired_num):
         """
         Adjusts the number of containers to the specified number and ensures they are running.