[CE-220] Fix host reset operation

Can reset host in admin dashboard
Add is_active function in DockerHost class

Change-Id: Ief4c6ab28be5305ecf42f2d7b69cdb6a4fe84b30
Signed-off-by: Haitao Yue <hightall@me.com>

src/agent/docker/host.py

@@ -41,6 +41,9 @@ def __init__(self, host_type):
         self.col = db["host"]
         self.host_type = host_type
 
+    def is_active(self, *args):
+        return check_daemon(args[1])
+
     def create(self, worker_api):
         """ Create a new docker host node
 

src/modules/host.py

@@ -390,11 +390,11 @@ def reset(self, id):
         """
         logger.debug("clean host with id = {}".format(id))
         host = self.get_by_id(id)
-        if not host or ClusterModel.objects(host=host).count() > 0:
+        if not host or ClusterModel.objects(host=host).count() < 0:
             logger.warning("No find resettable host with id ={}".format(id))
             return False
-        return self.host_agents[host.type].reset(
-            host_type=host.type, worker_api=host.worker_api)
+        host_type = host.type
+        return self.host_agents[host_type].reset(host_type, host.worker_api)
 
     def refresh_status(self, id):
         """
@@ -410,10 +410,10 @@ def refresh_status(self, id):
         if not self.host_agents[host.type]\
                 .refresh_status(host.worker_api):
             logger.warning("Host {} is inactive".format(id))
-            self.db_set_by_id(id, status="inactive")
+            self.db_set_by_id(id, **{"status": "inactive"})
             return False
         else:
-            self.db_set_by_id(id, status="active")
+            self.db_set_by_id(id, **{"status": "active"})
             return True
 
     def is_active(self, host_id):

src/resources/host_api.py

@@ -19,6 +19,8 @@
     request_debug
 
 from modules import host_handler
+from modules.models import Cluster as ClusterModel
+from modules.models import Host as HostModel
 from agent import detect_daemon_type
 
 logger = logging.getLogger(__name__)
@@ -246,6 +248,13 @@ def host_actions():
         elif action == "reset":
             if host_handler.reset(host_id):
                 logger.debug("reset successfully")
+                try:
+                    host_model = HostModel.objects.get(id=host_id)
+                    clusters = ClusterModel.objects(host=host_model)
+                    for cluster_item in clusters:
+                        cluster_item.delete()
+                except Exception:
+                    pass
                 return make_ok_resp()
             else:
                 error_msg = "Failed to reset the host."