Improve delay with fine-grained locking
Change-Id: I5a8ef020e0c3dda50fa725c6b6509bc876593115
This commit is contained in:
Gueyoung Jung
Omar Rivera
parent
125f5ccfab
commit
543ef67ed1
@ -45,7 +45,7 @@ class AppHandler(object):
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self.status = "success"
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def add_app(self, _app_data):
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def add_app(self, _app):
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"""Add app and set or regenerate topology, return updated topology."""
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self.apps.clear()
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@ -101,6 +101,55 @@ class AppHandler(object):
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new_app = App(stack_id, application_name, action)
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self.apps[stack_id] = new_app
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=======
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self.logger.debug("AppHandler: parse app")
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stack_id = None
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if "stack_id" in _app.keys():
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stack_id = _app["stack_id"]
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else:
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stack_id = "none"
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application_name = None
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if "application_name" in _app.keys():
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application_name = _app["application_name"]
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else:
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application_name = "none"
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action = _app["action"]
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if action == "ping":
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self.logger.debug("AppHandler: got ping")
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elif action == "replan" or action == "migrate":
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re_app = self._regenerate_app_topology(stack_id, _app, app_topology, action)
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if re_app is None:
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self.apps[stack_id] = None
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self.status = "cannot locate the original plan for stack = " + stack_id
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return None
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if action == "replan":
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self.logger.debug("AppHandler: got replan: " + stack_id)
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elif action == "migrate":
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self.logger.debug("AppHandler: got migration: " + stack_id)
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app_id = app_topology.set_app_topology(re_app)
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if app_id is None:
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self.logger.error("AppHandler: " + app_topology.status)
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self.status = app_topology.status
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self.apps[stack_id] = None
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return None
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else:
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app_id = app_topology.set_app_topology(_app)
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if app_id is None:
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self.logger.error("AppHandler: " + app_topology.status)
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self.status = app_topology.status
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self.apps[stack_id] = None
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return None
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new_app = App(stack_id, application_name, action)
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self.apps[stack_id] = new_app
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>>>>>>> c095458... Improve delay with fine-grained locking
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return app_topology
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@ -21,6 +21,10 @@ from valet.common.music import Music
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from valet.engine.optimizer.db_connect.event import Event
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def ensurekey(d, k):
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return d.setdefault(k, {})
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class MusicHandler(object):
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"""Music Handler Class.
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@ -509,42 +513,42 @@ class MusicHandler(object):
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if 'flavors' in _status.keys():
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flavors = _status['flavors']
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for fk, f in flavors.iteritems():
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if fk in json_resource['flavors'].keys():
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if fk in ensurekey(json_resource, 'flavors').keys():
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del json_resource['flavors'][fk]
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json_resource['flavors'][fk] = f
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if 'logical_groups' in _status.keys():
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logical_groups = _status['logical_groups']
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for lgk, lg in logical_groups.iteritems():
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if lgk in json_resource['logical_groups'].keys():
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if lgk in ensurekey(json_resource, 'logical_groups').keys():
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del json_resource['logical_groups'][lgk]
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json_resource['logical_groups'][lgk] = lg
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if 'storages' in _status.keys():
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storages = _status['storages']
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for stk, st in storages.iteritems():
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if stk in json_resource['storages'].keys():
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if stk in ensurekey(json_resource, 'storages').keys():
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del json_resource['storages'][stk]
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json_resource['storages'][stk] = st
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if 'switches' in _status.keys():
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switches = _status['switches']
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for sk, s in switches.iteritems():
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if sk in json_resource['switches'].keys():
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if sk in ensurekey(json_resource, 'switches').keys():
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del json_resource['switches'][sk]
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json_resource['switches'][sk] = s
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if 'hosts' in _status.keys():
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hosts = _status['hosts']
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for hk, h in hosts.iteritems():
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if hk in json_resource['hosts'].keys():
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if hk in ensurekey(json_resource, 'hosts').keys():
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del json_resource['hosts'][hk]
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json_resource['hosts'][hk] = h
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if 'host_groups' in _status.keys():
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host_groupss = _status['host_groups']
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for hgk, hg in host_groupss.iteritems():
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if hgk in json_resource['host_groups'].keys():
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if hgk in ensurekey(json_resource, 'host_groups').keys():
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del json_resource['host_groups'][hgk]
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json_resource['host_groups'][hgk] = hg
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@ -41,10 +41,9 @@ class Ostro(object):
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self.db = MusicHandler(self.config, self.logger)
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if self.db.init_db() is False:
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self.logger.error("Ostro.__init__: error while initializing MUSIC "
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"database")
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self.logger.error("Ostro: error while initializing MUSIC database")
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else:
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self.logger.debug("Ostro.__init__: done init music")
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self.logger.debug("Ostro: done init music")
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self.resource = Resource(self.db, self.config, self.logger)
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self.logger.debug("done init resource")
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@ -112,7 +111,7 @@ class Ostro(object):
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for t in self.thread_list:
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t.join()
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self.logger.info("Ostro.run_ostro: exit Ostro")
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self.logger.info("Ostro: exit Ostro")
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def stop_ostro(self):
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"""Stop main engine process."""
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@ -135,25 +134,22 @@ class Ostro(object):
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resource_status = self.db.get_resource_status(
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self.resource.datacenter.name)
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if resource_status is None:
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self.logger.error("Ostro.bootstrap: failed to read from table: " + self.config.db_resource_table)
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self.logger.error("Ostro: failed to read from table: " + self.config.db_resource_table)
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return False
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if len(resource_status) > 0:
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self.logger.info("Ostro.bootstrap: bootstrap from db")
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self.logger.info("Ostro: bootstrap from db")
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if not self.resource.bootstrap_from_db(resource_status):
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self.logger.error("Ostro.bootstrap: failed to parse bootstrap data!")
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self.logger.error("Ostro: failed to parse bootstrap data!")
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self.logger.info("read bootstrap data from OpenStack")
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if not self._set_hosts():
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self.logger.error('_set_hosts is false')
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return False
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if not self._set_flavors():
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self.logger.info("_set_flavors is false")
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return False
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if not self._set_topology():
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self.logger.error("_set_topology is false")
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return False
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self.resource.update_topology()
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@ -162,7 +158,7 @@ class Ostro(object):
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self.logger.critical("Ostro.bootstrap failed: " +
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traceback.format_exc())
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self.logger.info("Ostro.bootstrap: done bootstrap")
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self.logger.info("Ostro: done bootstrap")
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return True
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@ -196,93 +192,77 @@ class Ostro(object):
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def place_app(self, _app_data):
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"""Place results of query and placement requests in the db."""
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self.data_lock.acquire()
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start_time = time.time()
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query_request_list = []
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placement_request_list = []
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for req in _app_data:
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if req["action"] == "query":
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query_request_list.append(req)
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else:
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placement_request_list.append(req)
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self.logger.info("Ostro: start query")
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if len(query_request_list) > 0:
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self.logger.info("Ostro.place_app: start query")
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query_results = self._query(query_request_list)
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result = self._get_json_results("query", "ok", self.status,
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query_results)
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query_result = self._query(req)
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result = self._get_json_results("query", "ok",
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self.status, query_result)
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if self.db.put_result(result) is False:
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self.data_lock.release()
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return False
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self.logger.info("Ostro.place_app: done query")
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if len(placement_request_list) > 0:
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self.logger.info("Ostro.place_app: start app placement")
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self.logger.info("Ostro: done query")
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else:
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self.logger.info("Ostro: start app placement")
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result = None
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placement_map = self._place_app(placement_request_list)
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placement_map = self._place_app(req)
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if placement_map is None:
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result = self._get_json_results("placement", "error",
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self.status, placement_map)
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else:
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result = self._get_json_results("placement", "ok", "success",
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placement_map)
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result = self._get_json_results("placement", "ok",
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"success", placement_map)
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if self.db.put_result(result) is False:
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self.data_lock.release()
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return False
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self.logger.info("Ostro.place_app: done app placement")
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self.logger.info("Ostro: done app placement")
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end_time = time.time()
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self.logger.info("Ostro: total decision delay of request = " + str(end_time - start_time) + " sec")
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self.logger.info("Ostro.place_app: total decision delay of request = " +
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str(end_time - start_time) + " sec")
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self.data_lock.release()
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return True
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def _query(self, _query_list):
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query_results = {}
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def _query(self, _q):
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query_result = {}
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for q in _query_list:
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if "type" in q.keys():
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if q["type"] == "group_vms":
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if "parameters" in q.keys():
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params = q["parameters"]
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if "type" in _q.keys():
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if _q["type"] == "group_vms":
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if "parameters" in _q.keys():
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params = _q["parameters"]
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if "group_name" in params.keys():
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vm_list = self._get_vms_from_logical_group(
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params["group_name"])
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query_results[q["stack_id"]] = vm_list
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self.data_lock.acquire()
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vm_list = self._get_vms_from_logical_group(params["group_name"])
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self.data_lock.release()
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query_result[_q["stack_id"]] = vm_list
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else:
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self.status = "unknown paramenter in query"
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self.logger.warn("Ostro._query: unknown paramenter in query")
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query_results[q["stack_id"]] = None
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self.logger.warn("Ostro: unknown paramenter in query")
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query_result[_q["stack_id"]] = None
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else:
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self.status = "no paramenter in query"
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self.logger.warn("Ostro._query: no parameters in query")
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query_results[q["stack_id"]] = None
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elif q["type"] == "all_groups":
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query_results[q["stack_id"]] = self._get_logical_groups()
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self.logger.warn("Ostro: no parameters in query")
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query_result[_q["stack_id"]] = None
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elif _q["type"] == "all_groups":
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self.data_lock.acquire()
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query_result[_q["stack_id"]] = self._get_logical_groups()
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self.data_lock.release()
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else:
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self.status = "unknown query type"
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self.logger.warn("Ostro._query: unknown query type")
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query_results[q["stack_id"]] = None
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self.logger.warn("Ostro: unknown query type")
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query_result[_q["stack_id"]] = None
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else:
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self.status = "unknown type in query"
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self.logger.warn("Ostro._query: no type in query")
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query_results[q["stack_id"]] = None
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self.logger.warn("Ostro: no type in query")
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query_result[_q["stack_id"]] = None
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return query_results
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return query_result
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def _get_vms_from_logical_group(self, _group_name):
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vm_list = []
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@ -310,9 +290,9 @@ class Ostro(object):
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return logical_groups
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def _place_app(self, _app_data):
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def _place_app(self, _app):
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"""Set application topology."""
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app_topology = self.app_handler.add_app(_app_data)
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app_topology = self.app_handler.add_app(_app)
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if app_topology is None:
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self.status = self.app_handler.status
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self.logger.error("Ostro._place_app: error while register"
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@ -323,14 +303,16 @@ class Ostro(object):
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for _, vm in app_topology.vms.iteritems():
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if self._set_vm_flavor_information(vm) is False:
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self.status = "fail to set flavor information"
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self.logger.error("Ostro._place_app: failed to set flavor information ")
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self.logger.error("Ostro: failed to set flavor information ")
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return None
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for _, vg in app_topology.vgroups.iteritems():
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if self._set_vm_flavor_information(vg) is False:
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self.status = "fail to set flavor information in a group"
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self.logger.error("Ostro._place_app: failed to set flavor information in a group")
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self.logger.error("Ostro: failed to set flavor information in a group")
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return None
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self.data_lock.acquire()
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"""Set weights for optimization."""
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app_topology.set_weight()
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app_topology.set_optimization_priority()
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@ -341,6 +323,7 @@ class Ostro(object):
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self.status = self.optimizer.status
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self.logger.debug("Ostro._place_app: error while optimizing app "
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"placement: " + self.status)
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self.data_lock.release()
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return None
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"""Update resource and app information."""
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@ -354,6 +337,8 @@ class Ostro(object):
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if vk in placement_map.keys():
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del placement_map[vk]
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self.data_lock.release()
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return placement_map
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def _set_vm_flavor_information(self, _v):
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@ -98,22 +98,20 @@ class ComputeManager(threading.Thread):
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self.logger.info("ComputeManager: --- start compute_nodes "
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"status update ---")
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self.data_lock.acquire()
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try:
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triggered_host_updates = self.set_hosts()
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triggered_flavor_updates = self.set_flavors()
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if triggered_host_updates is True and \
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triggered_flavor_updates is True:
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if self.resource.update_topology() is False:
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# TODO(UNKNOWN): error in MUSIC. ignore?
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if triggered_host_updates is True and triggered_flavor_updates is True:
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self.data_lock.acquire()
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update_status = self.resource.update_topology()
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self.data_lock.release()
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if update_status is False:
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# TODO(GY): error in MUSIC. ignore?
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pass
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else:
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# TODO(UNKNOWN): error handling, e.g.,
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# 3 times failure then stop Ostro?
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# TODO(GY): error handling, e.g., 3 times failure then stop Ostro?
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pass
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finally:
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self.data_lock.release()
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self.logger.info("ComputeManager: --- done compute_nodes "
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"status update ---")
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@ -139,8 +137,10 @@ class ComputeManager(threading.Thread):
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self._compute_avail_host_resources(hosts)
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self.data_lock.acquire()
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self._check_logical_group_update(logical_groups)
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self._check_host_update(hosts)
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self.data_lock.release()
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return True
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@ -387,7 +387,9 @@ class ComputeManager(threading.Thread):
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self.logger.error("ComputeManager: " + status)
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return False
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self.data_lock.acquire()
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self._check_flavor_update(flavors)
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self.data_lock.release()
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return True
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@ -95,15 +95,15 @@ class TopologyManager(threading.Thread):
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self.logger.info("TopologyManager: --- start topology "
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"status update ---")
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self.data_lock.acquire()
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try:
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if self.set_topology() is True:
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if self.resource.update_topology() is False:
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# TODO(UNKOWN): ignore?
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pass
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finally:
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self.data_lock.acquire()
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update_status = self.resource.update_topology()
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self.data_lock.release()
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if update_status is False:
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# TODO(GY): ignore?
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pass
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self.logger.info("TopologyManager: --- done topology status update ---")
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def set_topology(self):
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@ -128,7 +128,9 @@ class TopologyManager(threading.Thread):
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self.logger.error("TopologyManager: " + status)
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return False
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self.data_lock.acquire()
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self._check_update(datacenter, host_groups, hosts, switches)
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self.data_lock.release()
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return True
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