# -*- coding: utf-8 -*-
-# Copyright 2018 Whitestack, LLC
+# Copyright 2021 Whitestack, LLC
# *************************************************************
# This file is part of OSM Monitoring module
# License for the specific language governing permissions and limitations
# under the License.
# For those usages not covered by the Apache License, Version 2.0 please
-# contact: bdiaz@whitestack.com or glavado@whitestack.com
+# contact: fbravo@whitestack.com or glavado@whitestack.com
##
+
import logging
import time
-
-import peewee
+import socket
+import asyncio
+from urllib.parse import urlparse
from osm_mon.dashboarder.service import DashboarderService
from osm_mon.core.config import Config
+from osm_mon.core.message_bus_client import MessageBusClient
log = logging.getLogger(__name__)
class Dashboarder:
- def __init__(self, config: Config):
+ def __init__(self, config: Config, loop=None):
self.conf = config
self.service = DashboarderService(config)
+ if not loop:
+ loop = asyncio.get_event_loop()
+ self.loop = loop
+ self.msg_bus = MessageBusClient(config)
+
+ # run consumer for grafana user management
+ def run(self):
+ self.loop.run_until_complete(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 topics %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: ")
def dashboard_forever(self):
- log.debug('dashboard_forever')
+ log.debug("dashboard_forever")
+ grafana_parsed_uri = urlparse(self.conf.get("grafana", "url"))
while True:
try:
+ socket.gethostbyname(grafana_parsed_uri.hostname)
+ log.debug("Dashboard backend is running")
+ except socket.error:
+ log.debug("Dashboard backend is not available")
+ time.sleep(int(self.conf.get("dashboarder", "interval")))
+ continue
+ try:
+ self.grafana_cleanup()
self.create_dashboards()
- time.sleep(int(self.conf.get('dashboarder', 'interval')))
- except peewee.PeeweeException:
- log.exception("Database error consuming message: ")
- raise
+ time.sleep(int(self.conf.get("dashboarder", "interval")))
except Exception:
log.exception("Error creating dashboards")
def create_dashboards(self):
self.service.create_dashboards()
- log.debug('I just called the dashboarder service!')
+ log.debug("Dashboarder Service > create_dashboards called!")
+
+ def grafana_cleanup(self):
+ # Cleaning up non existing users from grafana
+ self.service.delete_non_existing_users()
+ # TODO
+ # Cleanup of teams from grafana
+ log.debug("Deleted non existing users from dashbaorder service")