+ self.msg_bus = MessageBusClient(config)
+
+ # run consumer for grafana user management
+ def run(self):
+ asyncio.run(self.start())
+
+ async def start(self, wait_time=5):
+ topics = ["users", "project"]
+ while True:
+ try:
+ await self.msg_bus.aioread(topics, self._user_msg)
+ break
+ except Exception as e:
+ # Failed to subscribe to kafka topics
+ log.error("Error when subscribing to topic(s) %s", str(topics))
+ log.exception("Exception %s", str(e))
+ # Wait for some time for kaka to stabilize and then reattempt to subscribe again
+ time.sleep(wait_time)
+ log.info("Retrying to subscribe the kafka topic(s) %s", str(topics))
+
+ async def _user_msg(self, topic, key, values):
+ log.debug(
+ "Message from kafka bus received: topic: %s and values: %s and key: %s",
+ topic,
+ values,
+ key,
+ )
+ try:
+ if topic == "users" and key == "created":
+ log.debug("Received message from kafka for creating user")
+ if values.get("username"):
+ user = values["username"]
+ else:
+ user = values["changes"]["username"]
+ self.service.create_grafana_user(user)
+ # user-created and mapping is done with osm cli
+ if values.get("changes"):
+ # user-project-role mapping is included in change
+ if values["changes"].get("project_role_mappings"):
+ user_id = values["_id"]
+ project_data = values["changes"]["project_role_mappings"]
+ project_list = values["changes"].get("projects")
+ self.service.create_grafana_team_member(
+ project_data, user_id, project_list
+ )
+ elif values.get("project_role_mappings"):
+ # for fresh project-role-mapping
+ user_id = values.get("_id")
+ project_data = values["project_role_mappings"]
+ if user_id:
+ self.service.create_grafana_team_member(project_data, user_id)
+ else:
+ # for keystone we will get username
+ self.service.create_grafana_team_member(
+ project_data, user=values["username"]
+ )
+ elif topic == "users" and key == "deleted":
+ log.debug("Received message from kafka for deleting user")
+ user = values["username"]
+ self.service.delete_grafana_user(user)
+ elif topic == "users" and key == "edited":
+ log.debug("Received message from kafka for associating user to team")
+ user_id = values["_id"]
+ if values["changes"].get("remove_project_role_mappings") and not values[
+ "changes"
+ ].get("add_project_role_mappings"):
+ # Removing user-project role mapping
+ self.service.remove_grafana_team_members(
+ user_id, values["changes"].get("remove_project_role_mappings")
+ )
+ else:
+ # Changing user project role mapping
+ if values["changes"].get("project_role_mappings"):
+ project_data = values["changes"]["project_role_mappings"]
+ else:
+ project_data = values["changes"]["add_project_role_mappings"]
+ self.service.create_grafana_team_member(project_data, user_id)
+ elif topic == "project" and key == "created":
+ log.debug("Received message from kafka for creating team")
+ team_name = values["name"]
+ self.service.create_grafana_team(team_name)
+ elif topic == "project" and key == "deleted":
+ log.debug("Received message from kafka for deleting team")
+ project_name = values["name"]
+ self.service.delete_grafana_team(project_name)
+ elif topic == "project" and key == "edited":
+ log.debug("Received message from kafka for team name update")
+ project_old_name = values["original"]["name"]
+ project_new_name = values["changes"]["name"]
+ self.service.update_grafana_team(project_new_name, project_old_name)
+ except Exception:
+ log.exception("Exception processing message: ")