"""Carry out alarming requests via Aodh API."""
import json
+
import logging
-log = logging.getLogger(__name__)
from core.message_bus.producer import KafkaProducer
-from kafka import KafkaConsumer
-
-from plugins.OpenStack.common import Common
from plugins.OpenStack.response import OpenStack_Response
+from plugins.OpenStack.settings import Config
__author__ = "Helena McGough"
+log = logging.getLogger(__name__)
+
ALARM_NAMES = {
"average_memory_usage_above_threshold": "average_memory_utilization",
"disk_read_ops": "disk_read_ops",
def __init__(self):
"""Create the OpenStack alarming instance."""
- self._common = Common()
+ # Initialize configuration and notifications
+ config = Config.instance()
+ config.read_environ("aodh")
- # TODO(mcgoughh): Remove hardcoded kafkaconsumer
- # Initialize a generic consumer object to consume message from the SO
- server = {'server': 'localhost:9092', 'topic': 'alarm_request'}
- self._consumer = KafkaConsumer(server['topic'],
- group_id='osm_mon',
- bootstrap_servers=server['server'])
+ # Initialise authentication for API requests
+ self.auth_token = None
+ self.endpoint = None
+ self.common = None
# Use the Response class to generate valid json response messages
self._response = OpenStack_Response()
# Initializer a producer to send responses back to SO
self._producer = KafkaProducer("alarm_response")
- def alarming(self):
+ def alarming(self, message, common, auth_token):
"""Consume info from the message bus to manage alarms."""
- # Check the alarming functionlity that needs to be performed
- for message in self._consumer:
-
- values = json.loads(message.value)
- vim_type = values['vim_type'].lower()
-
- if vim_type == "openstack":
- log.info("Alarm action required: %s" % (message.topic))
-
- # Generate and auth_token and endpoint for request
- auth_token, endpoint = self.authenticate()
-
- if message.key == "create_alarm_request":
- # Configure/Update an alarm
- alarm_details = values['alarm_create_request']
-
- alarm_id, alarm_status = self.configure_alarm(
- endpoint, auth_token, alarm_details)
-
- # Generate a valid response message, send via producer
- try:
- if alarm_status is True:
- log.info("Alarm successfully created")
-
- resp_message = self._response.generate_response(
- 'create_alarm_response', status=alarm_status,
- alarm_id=alarm_id,
- cor_id=alarm_details['correlation_id'])
- log.info("Response Message: %s", resp_message)
- self._producer.create_alarm_response(
- 'create_alarm_resonse', resp_message,
- 'alarm_response')
- except Exception as exc:
- log.warn("Response creation failed: %s", exc)
-
- elif message.key == "list_alarm_request":
- # Check for a specifed: alarm_name, resource_uuid, severity
- # and generate the appropriate list
- list_details = values['alarm_list_request']
-
- alarm_list = self.list_alarms(
- endpoint, auth_token, list_details)
-
- try:
- # Generate and send a list response back
- resp_message = self._response.generate_response(
- 'list_alarm_response', alarm_list=alarm_list,
- cor_id=list_details['correlation_id'])
- log.info("Response Message: %s", resp_message)
- self._producer.list_alarm_response(
- 'list_alarm_response', resp_message,
- 'alarm_response')
- except Exception as exc:
- log.warn("Failed to send a valid response back.")
-
- elif message.key == "delete_alarm_request":
- request_details = values['alarm_delete_request']
- alarm_id = request_details['alarm_uuid']
-
- resp_status = self.delete_alarm(
- endpoint, auth_token, alarm_id)
-
- # Generate and send a response message
- try:
- resp_message = self._response.generate_response(
- 'delete_alarm_response', alarm_id=alarm_id,
- status=resp_status,
- cor_id=request_details['correlation_id'])
- log.info("Response message: %s", resp_message)
- self._producer.delete_alarm_response(
- 'delete_alarm_response', resp_message,
- 'alarm_response')
- except Exception as exc:
- log.warn("Failed to create delete reponse:%s", exc)
-
- elif message.key == "acknowledge_alarm":
- # Acknowledge that an alarm has been dealt with by the SO
- alarm_id = values['ack_details']['alarm_uuid']
-
- response = self.update_alarm_state(
- endpoint, auth_token, alarm_id)
-
- # Log if an alarm was reset
- if response is True:
- log.info("Acknowledged the alarm and cleared it.")
- else:
- log.warn("Failed to acknowledge/clear the alarm.")
-
- elif message.key == "update_alarm_request":
- # Update alarm configurations
- alarm_details = values['alarm_update_request']
-
- alarm_id, status = self.update_alarm(
- endpoint, auth_token, alarm_details)
-
- # Generate a response for an update request
- try:
- resp_message = self._response.generate_response(
- 'update_alarm_response', alarm_id=alarm_id,
- cor_id=alarm_details['correlation_id'],
- status=status)
- log.info("Response message: %s", resp_message)
- self._producer.update_alarm_response(
- 'update_alarm_response', resp_message,
- 'alarm_response')
- except Exception as exc:
- log.warn("Failed to send an update response:%s", exc)
+ values = json.loads(message.value)
+ self.common = common
- else:
- log.debug("Unknown key, no action will be performed")
+ log.info("OpenStack alarm action required.")
+
+ # Generate and auth_token and endpoint for request
+ if auth_token is not None:
+ if self.auth_token != auth_token:
+ log.info("Auth_token for alarming set by access_credentials.")
+ self.auth_token = auth_token
else:
- log.info("Message topic not relevant to this plugin: %s",
- message.topic)
+ log.info("Auth_token has not been updated.")
+ else:
+ log.info("Using environment variables to set auth_token for Aodh.")
+ self.auth_token = self.common._authenticate()
+
+ if self.endpoint is None:
+ log.info("Generating a new endpoint for Aodh.")
+ self.endpoint = self.common.get_endpoint("alarming")
+
+ if message.key == "create_alarm_request":
+ # Configure/Update an alarm
+ alarm_details = values['alarm_create_request']
+
+ alarm_id, alarm_status = self.configure_alarm(
+ self.endpoint, self.auth_token, alarm_details)
+
+ # Generate a valid response message, send via producer
+ try:
+ if alarm_status is True:
+ log.info("Alarm successfully created")
+
+ resp_message = self._response.generate_response(
+ 'create_alarm_response', status=alarm_status,
+ alarm_id=alarm_id,
+ cor_id=alarm_details['correlation_id'])
+ log.info("Response Message: %s", resp_message)
+ self._producer.create_alarm_response(
+ 'create_alarm_resonse', resp_message,
+ 'alarm_response')
+ except Exception as exc:
+ log.warn("Response creation failed: %s", exc)
+
+ elif message.key == "list_alarm_request":
+ # Check for a specifed: alarm_name, resource_uuid, severity
+ # and generate the appropriate list
+ list_details = values['alarm_list_request']
+
+ alarm_list = self.list_alarms(
+ self.endpoint, self.auth_token, list_details)
+
+ try:
+ # Generate and send a list response back
+ resp_message = self._response.generate_response(
+ 'list_alarm_response', alarm_list=alarm_list,
+ cor_id=list_details['correlation_id'])
+ log.info("Response Message: %s", resp_message)
+ self._producer.list_alarm_response(
+ 'list_alarm_response', resp_message,
+ 'alarm_response')
+ except Exception as exc:
+ log.warn("Failed to send a valid response back.")
+
+ elif message.key == "delete_alarm_request":
+ request_details = values['alarm_delete_request']
+ alarm_id = request_details['alarm_uuid']
+
+ resp_status = self.delete_alarm(
+ self.endpoint, self.auth_token, alarm_id)
+
+ # Generate and send a response message
+ try:
+ resp_message = self._response.generate_response(
+ 'delete_alarm_response', alarm_id=alarm_id,
+ status=resp_status,
+ cor_id=request_details['correlation_id'])
+ log.info("Response message: %s", resp_message)
+ self._producer.delete_alarm_response(
+ 'delete_alarm_response', resp_message,
+ 'alarm_response')
+ except Exception as exc:
+ log.warn("Failed to create delete reponse:%s", exc)
+
+ elif message.key == "acknowledge_alarm":
+ # Acknowledge that an alarm has been dealt with by the SO
+ alarm_id = values['ack_details']['alarm_uuid']
+
+ response = self.update_alarm_state(
+ self.endpoint, self.auth_token, alarm_id)
+
+ # Log if an alarm was reset
+ if response is True:
+ log.info("Acknowledged the alarm and cleared it.")
+ else:
+ log.warn("Failed to acknowledge/clear the alarm.")
+
+ elif message.key == "update_alarm_request":
+ # Update alarm configurations
+ alarm_details = values['alarm_update_request']
+
+ alarm_id, status = self.update_alarm(
+ self.endpoint, self.auth_token, alarm_details)
+
+ # Generate a response for an update request
+ try:
+ resp_message = self._response.generate_response(
+ 'update_alarm_response', alarm_id=alarm_id,
+ cor_id=alarm_details['correlation_id'],
+ status=status)
+ log.info("Response message: %s", resp_message)
+ self._producer.update_alarm_response(
+ 'update_alarm_response', resp_message,
+ 'alarm_response')
+ except Exception as exc:
+ log.warn("Failed to send an update response:%s", exc)
+
+ else:
+ log.debug("Unknown key, no action will be performed")
return
# Create the alarm if metric is available
payload = self.check_payload(values, metric_name, resource_id,
alarm_name)
- new_alarm = self._common._perform_request(
+ new_alarm = self.common._perform_request(
url, auth_token, req_type="post", payload=payload)
return json.loads(new_alarm.text)['alarm_id'], True
else:
url = "{}/v2/alarms/%s".format(endpoint) % (alarm_id)
try:
- result = self._common._perform_request(
+ result = self.common._perform_request(
url, auth_token, req_type="delete")
if str(result.status_code) == "404":
log.info("Alarm doesn't exist: %s", result.status_code)
a_list, name_list, sev_list, res_list = [], [], [], []
# TODO(mcgoughh): for now resource_id is a mandatory field
- resource = list_details['resource_uuid']
+ # Check for a reqource is
+ try:
+ resource = list_details['resource_uuid']
+ except KeyError as exc:
+ log.warn("Resource id not specified for list request: %s", exc)
+ return None
# Checking what fields are specified for a list request
try:
# Perform the request to get the desired list
try:
- result = self._common._perform_request(
+ result = self.common._perform_request(
url, auth_token, req_type="get")
if result is not None:
payload = json.dumps("ok")
try:
- self._common._perform_request(
+ self.common._perform_request(
url, auth_token, req_type="put", payload=payload)
return True
except Exception as exc:
# Gets current configurations about the alarm
try:
- result = self._common._perform_request(
+ result = self.common._perform_request(
url, auth_token, req_type="get")
alarm_name = json.loads(result.text)['name']
rule = json.loads(result.text)['gnocchi_resources_threshold_rule']
# Updates the alarm configurations with the valid payload
if payload is not None:
try:
- update_alarm = self._common._perform_request(
+ update_alarm = self.common._perform_request(
url, auth_token, req_type="put", payload=payload)
return json.loads(update_alarm.text)['alarm_id'], True
log.warn("Alarm is not configured correctly: %s", exc)
return None
- def authenticate(self):
- """Generate an authentication token and endpoint for alarm request."""
- try:
- # Check for a tenant_id
- auth_token = self._common._authenticate()
- endpoint = self._common.get_endpoint("alarming")
- return auth_token, endpoint
- except Exception as exc:
- log.warn("Authentication to Keystone failed:%s", exc)
- return None, None
-
def get_alarm_state(self, endpoint, auth_token, alarm_id):
"""Get the state of the alarm."""
url = "{}/v2/alarms/%s/state".format(endpoint) % alarm_id
try:
- alarm_state = self._common._perform_request(
+ alarm_state = self.common._perform_request(
url, auth_token, req_type="get")
return json.loads(alarm_state.text)
except Exception as exc:
def check_for_metric(self, auth_token, m_name, r_id):
"""Check for the alarm metric."""
try:
- endpoint = self._common.get_endpoint("metric")
+ endpoint = self.common.get_endpoint("metric")
url = "{}/v1/metric/".format(endpoint)
- metric_list = self._common._perform_request(
+ metric_list = self.common._perform_request(
url, auth_token, req_type="get")
for metric in json.loads(metric_list.text):
projects / osm / MON.git / blobdiff