import datetime
import json
import logging
-
import time
+from json import JSONDecodeError
import six
import yaml
+from osm_mon.core.auth import AuthManager
from osm_mon.core.message_bus.producer import KafkaProducer
from osm_mon.plugins.OpenStack.common import Common
-
from osm_mon.plugins.OpenStack.response import OpenStack_Response
-from osm_mon.plugins.OpenStack.settings import Config
log = logging.getLogger(__name__)
def __init__(self):
"""Initialize the metric actions."""
- # Configure an instance of the OpenStack metric plugin
- config = Config.instance()
- config.read_environ()
-
- # Initialise authentication for API requests
- self._common = Common()
# 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("metric_response")
- def metric_calls(self, message):
+ self._auth_manager = AuthManager()
+
+ def metric_calls(self, message, vim_uuid):
"""Consume info from the message bus to manage metric requests."""
+ log.info("OpenStack metric action required.")
try:
values = json.loads(message.value)
- except ValueError:
+ except JSONDecodeError:
values = yaml.safe_load(message.value)
+
log.info("OpenStack metric action required.")
- auth_token = Common.get_auth_token(values['vim_uuid'])
+ if 'metric_name' in values and values['metric_name'] not in METRIC_MAPPINGS.keys():
+ raise ValueError('Metric ' + values['metric_name'] + ' is not supported.')
- endpoint = Common.get_endpoint("metric", values['vim_uuid'])
+ verify_ssl = self._auth_manager.is_verify_ssl(vim_uuid)
- if message.key == "create_metric_request":
- # Configure metric
- metric_details = values['metric_create']
- metric_id, resource_id, status = self.configure_metric(
- endpoint, auth_token, metric_details)
+ endpoint = Common.get_endpoint("metric", vim_uuid, verify_ssl=verify_ssl)
+
+ auth_token = Common.get_auth_token(vim_uuid, verify_ssl=verify_ssl)
- # Generate and send a create metric response
+ if message.key == "create_metric_request":
+ metric_details = values['metric_create_request']
+ status = False
+ metric_id = None
+ resource_id = None
try:
- resp_message = self._response.generate_response(
- 'create_metric_response', status=status,
- cor_id=values['correlation_id'],
- metric_id=metric_id, r_id=resource_id)
- log.info("Response messages: %s", resp_message)
- self._producer.create_metrics_resp(
- 'create_metric_response', resp_message,
- 'metric_response')
- except Exception as exc:
- log.warn("Failed to create response: %s", exc)
+ # Configure metric
+ metric_id, resource_id = self.configure_metric(endpoint, auth_token, metric_details, verify_ssl)
+ log.info("Metric successfully created")
+ status = True
+ except Exception as e:
+ log.exception("Error creating metric")
+ raise e
+ finally:
+ self._generate_and_send_response('create_metric_response',
+ metric_details['correlation_id'],
+ status=status,
+ metric_id=metric_id,
+ resource_id=resource_id)
elif message.key == "read_metric_data_request":
- # Read all metric data related to a specified metric
- timestamps, metric_data = self.read_metric_data(
- endpoint, auth_token, values)
-
- # Generate and send a response message
+ metric_id = None
+ timestamps = []
+ metric_data = []
+ status = False
try:
-
- metric_id = self.get_metric_id(endpoint, auth_token, METRIC_MAPPINGS[values['metric_name']],
- values['resource_uuid'])
- resp_message = self._response.generate_response(
- 'read_metric_data_response',
- m_id=metric_id,
- m_name=values['metric_name'],
- r_id=values['resource_uuid'],
- cor_id=values['correlation_id'],
- times=timestamps, metrics=metric_data)
- log.info("Response message: %s", resp_message)
- self._producer.read_metric_data_response(
- 'read_metric_data_response', resp_message,
- 'metric_response')
- except Exception as exc:
- log.warn("Failed to send read metric response:%s", exc)
+ metric_id = self.get_metric_id(endpoint,
+ auth_token,
+ METRIC_MAPPINGS[values['metric_name']],
+ values['resource_uuid'],
+ verify_ssl)
+ # Read all metric data related to a specified metric
+ timestamps, metric_data = self.read_metric_data(endpoint, auth_token, values, verify_ssl)
+ log.info("Metric data collected successfully")
+ status = True
+ except Exception as e:
+ log.exception("Error reading metric data")
+ raise e
+ finally:
+ self._generate_and_send_response('read_metric_data_response',
+ values['correlation_id'],
+ status=status,
+ metric_id=metric_id,
+ metric_name=values['metric_name'],
+ resource_id=values['resource_uuid'],
+ times=timestamps,
+ metrics=metric_data)
elif message.key == "delete_metric_request":
- # delete the specified metric in the request
- metric_id = self.get_metric_id(endpoint, auth_token, METRIC_MAPPINGS[values['metric_name']],
- values['resource_uuid'])
- status = self.delete_metric(
- endpoint, auth_token, metric_id)
-
- # Generate and send a response message
+ metric_id = None
+ status = False
try:
- resp_message = self._response.generate_response(
- 'delete_metric_response', m_id=metric_id,
- m_name=values['metric_name'],
- status=status, r_id=values['resource_uuid'],
- cor_id=values['correlation_id'])
- log.info("Response message: %s", resp_message)
- self._producer.delete_metric_response(
- 'delete_metric_response', resp_message,
- 'metric_response')
- except Exception as exc:
- log.warn("Failed to send delete response:%s", exc)
+ # delete the specified metric in the request
+ metric_id = self.get_metric_id(endpoint, auth_token, METRIC_MAPPINGS[values['metric_name']],
+ values['resource_uuid'], verify_ssl)
+ self.delete_metric(
+ endpoint, auth_token, metric_id, verify_ssl)
+ log.info("Metric deleted successfully")
+ status = True
+
+ except Exception as e:
+ log.exception("Error deleting metric")
+ raise e
+ finally:
+ self._generate_and_send_response('delete_metric_response',
+ values['correlation_id'],
+ metric_id=metric_id,
+ metric_name=values['metric_name'],
+ status=status,
+ resource_id=values['resource_uuid'])
elif message.key == "update_metric_request":
# Gnocchi doesn't support configuration updates
# Log and send a response back to this effect
- log.warn("Gnocchi doesn't support metric configuration\
- updates.")
- req_details = values['metric_create']
+ log.warning("Gnocchi doesn't support metric configuration updates.")
+ req_details = values['metric_update_request']
metric_name = req_details['metric_name']
resource_id = req_details['resource_uuid']
- metric_id = self.get_metric_id(
- endpoint, auth_token, metric_name, resource_id)
-
- # Generate and send a response message
- try:
- resp_message = self._response.generate_response(
- 'update_metric_response', status=False,
- cor_id=values['correlation_id'],
- r_id=resource_id, m_id=metric_id)
- log.info("Response message: %s", resp_message)
- self._producer.update_metric_response(
- 'update_metric_response', resp_message,
- 'metric_response')
- except Exception as exc:
- log.warn("Failed to send an update response:%s", exc)
+ metric_id = self.get_metric_id(endpoint, auth_token, metric_name, resource_id, verify_ssl)
+ self._generate_and_send_response('update_metric_response',
+ req_details['correlation_id'],
+ status=False,
+ resource_id=resource_id,
+ metric_id=metric_id)
elif message.key == "list_metric_request":
list_details = values['metrics_list_request']
-
- metric_list = self.list_metrics(
- endpoint, auth_token, list_details)
-
- # Generate and send a response message
+ metric_list = []
+ status = False
try:
- resp_message = self._response.generate_response(
- 'list_metric_response', m_list=metric_list,
- cor_id=list_details['correlation_id'])
- log.info("Response message: %s", resp_message)
- self._producer.list_metric_response(
- 'list_metric_response', resp_message,
- 'metric_response')
- except Exception as exc:
- log.warn("Failed to send a list response:%s", exc)
+ metric_list = self.list_metrics(
+ endpoint, auth_token, list_details, verify_ssl)
+ log.info("Metrics listed successfully")
+ status = True
+ except Exception as e:
+ log.exception("Error listing metrics")
+ raise e
+ finally:
+ self._generate_and_send_response('list_metric_response',
+ list_details['correlation_id'],
+ status=status,
+ metric_list=metric_list)
else:
- log.warn("Unknown key, no action will be performed.")
-
- return
+ log.warning("Unknown key %s, no action will be performed.", message.key)
- def configure_metric(self, endpoint, auth_token, values):
+ def configure_metric(self, endpoint, auth_token, values, verify_ssl):
"""Create the new metric in Gnocchi."""
- try:
- resource_id = values['resource_uuid']
- except KeyError:
- log.warn("Resource is not defined correctly.")
- return None, None, False
+ required_fields = ['resource_uuid', 'metric_name']
+ for field in required_fields:
+ if field not in values:
+ raise ValueError("Missing field: " + field)
- # Check/Normalize metric name
- norm_name, metric_name = self.get_metric_name(values)
- if metric_name is None:
- log.warn("This metric is not supported by this plugin.")
- return None, resource_id, False
+ resource_id = values['resource_uuid']
+ metric_name = values['metric_name'].lower()
# Check for an existing metric for this resource
metric_id = self.get_metric_id(
- endpoint, auth_token, metric_name, resource_id)
+ endpoint, auth_token, metric_name, resource_id, verify_ssl)
if metric_id is None:
# Try appending metric to existing resource
payload = {metric_name: {'archive_policy_name': 'high',
'unit': values['metric_unit']}}
result = Common.perform_request(
- res_url, auth_token, req_type="post",
- payload=json.dumps(payload))
+ res_url,
+ auth_token,
+ req_type="post",
+ verify_ssl=verify_ssl,
+ payload=json.dumps(payload, sort_keys=True))
# Get id of newly created metric
for row in json.loads(result.text):
if row['name'] == metric_name:
metric_id = row['id']
log.info("Appended metric to existing resource.")
- return metric_id, resource_id, True
+ return metric_id, resource_id
except Exception as exc:
# Gnocchi version of resource does not exist creating a new one
log.info("Failed to append metric to existing resource:%s",
exc)
- try:
- url = "{}/v1/resource/generic".format(endpoint)
- metric = {'name': metric_name,
- 'archive_policy_name': 'high',
- 'unit': values['metric_unit'], }
+ url = "{}/v1/resource/generic".format(endpoint)
+ metric = {'name': metric_name,
+ 'archive_policy_name': 'high',
+ 'unit': values['metric_unit'], }
- resource_payload = json.dumps({'id': resource_id,
- 'metrics': {
- metric_name: metric}})
+ resource_payload = json.dumps({'id': resource_id,
+ 'metrics': {
+ metric_name: metric}}, sort_keys=True)
- resource = Common.perform_request(
- url, auth_token, req_type="post",
- payload=resource_payload)
+ resource = Common.perform_request(
+ url,
+ auth_token,
+ req_type="post",
+ payload=resource_payload,
+ verify_ssl=verify_ssl)
- # Return the newly created resource_id for creating alarms
- new_resource_id = json.loads(resource.text)['id']
- log.info("Created new resource for metric: %s",
- new_resource_id)
+ # Return the newly created resource_id for creating alarms
+ new_resource_id = json.loads(resource.text)['id']
+ log.info("Created new resource for metric: %s",
+ new_resource_id)
- metric_id = self.get_metric_id(
- endpoint, auth_token, metric_name, new_resource_id)
+ metric_id = self.get_metric_id(
+ endpoint, auth_token, metric_name, new_resource_id, verify_ssl)
- return metric_id, new_resource_id, True
- except Exception as exc:
- log.warn("Failed to create a new resource:%s", exc)
- return None, None, False
+ return metric_id, new_resource_id
else:
- log.info("This metric already exists for this resource.")
-
- return metric_id, resource_id, False
+ raise ValueError("Metric already exists for this resource")
- def delete_metric(self, endpoint, auth_token, metric_id):
+ def delete_metric(self, endpoint, auth_token, metric_id, verify_ssl):
"""Delete metric."""
url = "{}/v1/metric/%s".format(endpoint) % metric_id
- try:
- result = Common.perform_request(
- url, auth_token, req_type="delete")
- if str(result.status_code) == "404":
- log.warn("Failed to delete the metric.")
- return False
- else:
- return True
- except Exception as exc:
- log.warn("Failed to carry out delete metric request:%s", exc)
- return False
+ result = Common.perform_request(
+ url,
+ auth_token,
+ req_type="delete",
+ verify_ssl=verify_ssl)
+ if not str(result.status_code).startswith("2"):
+ log.warning("Failed to delete the metric.")
+ raise ValueError("Error deleting metric. Aodh API responded with code " + str(result.status_code))
- def list_metrics(self, endpoint, auth_token, values):
+ def list_metrics(self, endpoint, auth_token, values, verify_ssl):
"""List all metrics."""
# Check for a specified list
- try:
- # Check if the metric_name was specified for the list
+ metric_name = None
+ if 'metric_name' in values:
metric_name = values['metric_name'].lower()
- if metric_name not in METRIC_MAPPINGS.keys():
- log.warn("This metric is not supported, won't be listed.")
- metric_name = None
- except KeyError as exc:
- log.info("Metric name is not specified: %s", exc)
- metric_name = None
- try:
+ resource = None
+ if 'resource_uuid' in values:
resource = values['resource_uuid']
- except KeyError as exc:
- log.info("Resource is not specified:%s", exc)
- resource = None
- try:
+ if resource:
+ url = "{}/v1/resource/generic/{}".format(endpoint, resource)
+ result = Common.perform_request(
+ url, auth_token, req_type="get", verify_ssl=verify_ssl)
+ resource_data = json.loads(result.text)
+ metrics = resource_data['metrics']
+
+ if metric_name:
+ if metrics.get(METRIC_MAPPINGS[metric_name]):
+ metric_id = metrics[METRIC_MAPPINGS[metric_name]]
+ url = "{}/v1/metric/{}".format(endpoint, metric_id)
+ result = Common.perform_request(
+ url, auth_token, req_type="get", verify_ssl=verify_ssl)
+ metric_list = json.loads(result.text)
+ log.info("Returning an %s resource list for %s metrics",
+ metric_name, resource)
+ return metric_list
+ else:
+ log.info("Metric {} not found for {} resource".format(metric_name, resource))
+ return []
+ else:
+ metric_list = []
+ for k, v in metrics.items():
+ url = "{}/v1/metric/{}".format(endpoint, v)
+ result = Common.perform_request(
+ url, auth_token, req_type="get", verify_ssl=verify_ssl)
+ metric = json.loads(result.text)
+ metric_list.append(metric)
+ if metric_list:
+ log.info("Return a list of %s resource metrics", resource)
+ return metric_list
+
+ else:
+ log.info("There are no metrics available")
+ return []
+ else:
url = "{}/v1/metric?sort=name:asc".format(endpoint)
result = Common.perform_request(
- url, auth_token, req_type="get")
+ url, auth_token, req_type="get", verify_ssl=verify_ssl)
metrics = []
metrics_partial = json.loads(result.text)
for metric in metrics_partial:
last_metric_id = metrics_partial[-1]['id']
url = "{}/v1/metric?sort=name:asc&marker={}".format(endpoint, last_metric_id)
result = Common.perform_request(
- url, auth_token, req_type="get")
+ url, auth_token, req_type="get", verify_ssl=verify_ssl)
if len(json.loads(result.text)) > 0:
metrics_partial = json.loads(result.text)
for metric in metrics_partial:
if metrics is not None:
# Format the list response
- if metric_name is not None and resource is not None:
- metric_list = self.response_list(
- metrics, metric_name=metric_name, resource=resource)
- log.info("Returning an %s resource list for %s metrics",
- metric_name, resource)
- elif metric_name is not None:
+ if metric_name is not None:
metric_list = self.response_list(
metrics, metric_name=metric_name)
log.info("Returning a list of %s metrics", metric_name)
- elif resource is not None:
- metric_list = self.response_list(
- metrics, resource=resource)
- log.info("Return a list of %s resource metrics", resource)
else:
metric_list = self.response_list(metrics)
log.info("Returning a complete list of metrics")
-
return metric_list
else:
log.info("There are no metrics available")
return []
- except Exception as exc:
- log.warn("Failed to generate any metric list. %s", exc)
- return None
- def get_metric_id(self, endpoint, auth_token, metric_name, resource_id):
+ def get_metric_id(self, endpoint, auth_token, metric_name, resource_id, verify_ssl):
"""Check if the desired metric already exists for the resource."""
url = "{}/v1/resource/generic/%s".format(endpoint) % resource_id
try:
# Try return the metric id if it exists
result = Common.perform_request(
- url, auth_token, req_type="get")
+ url,
+ auth_token,
+ req_type="get",
+ verify_ssl=verify_ssl)
return json.loads(result.text)['metrics'][metric_name]
- except Exception:
- log.info("Metric doesn't exist. No metric_id available")
- return None
-
- def get_metric_name(self, values):
- """Check metric name configuration and normalize."""
- metric_name = None
- try:
- # Normalize metric name
- metric_name = values['metric_name'].lower()
- return metric_name, METRIC_MAPPINGS[metric_name]
- except KeyError:
- log.info("Metric name %s is invalid.", metric_name)
- return metric_name, None
+ except KeyError as e:
+ log.error("Metric doesn't exist. No metric_id available")
+ raise e
- def read_metric_data(self, endpoint, auth_token, values):
+ def read_metric_data(self, endpoint, auth_token, values, verify_ssl):
"""Collect metric measures over a specified time period."""
timestamps = []
data = []
- try:
- #get metric_id
- metric_id = self.get_metric_id(endpoint, auth_token, METRIC_MAPPINGS[values['metric_name']], values['resource_uuid'])
- # Try and collect measures
- collection_unit = values['collection_unit'].upper()
- collection_period = values['collection_period']
-
- # Define the start and end time based on configurations
- # FIXME: Local timezone may differ from timezone set in Gnocchi, causing discrepancies in measures
- stop_time = time.strftime("%Y-%m-%d") + "T" + time.strftime("%X")
- end_time = int(round(time.time() * 1000))
- if collection_unit == 'YEAR':
- diff = PERIOD_MS[collection_unit]
- else:
- diff = collection_period * PERIOD_MS[collection_unit]
- s_time = (end_time - diff) / 1000.0
- start_time = datetime.datetime.fromtimestamp(s_time).strftime(
- '%Y-%m-%dT%H:%M:%S.%f')
- base_url = "{}/v1/metric/%(0)s/measures?start=%(1)s&stop=%(2)s"
- url = base_url.format(endpoint) % {
- "0": metric_id, "1": start_time, "2": stop_time}
-
- # Perform metric data request
- metric_data = Common.perform_request(
- url, auth_token, req_type="get")
-
- # Generate a list of the requested timestamps and data
- for r in json.loads(metric_data.text):
- timestamp = r[0].replace("T", " ")
- timestamps.append(timestamp)
- data.append(r[2])
-
- return timestamps, data
- except Exception as exc:
- log.warn("Failed to gather specified measures: %s", exc)
+ # get metric_id
+ metric_id = self.get_metric_id(endpoint, auth_token, METRIC_MAPPINGS[values['metric_name']],
+ values['resource_uuid'], verify_ssl)
+ # Try and collect measures
+ collection_unit = values['collection_unit'].upper()
+ collection_period = values['collection_period']
+
+ # Define the start and end time based on configurations
+ # FIXME: Local timezone may differ from timezone set in Gnocchi, causing discrepancies in measures
+ stop_time = time.strftime("%Y-%m-%d") + "T" + time.strftime("%X")
+ end_time = int(round(time.time() * 1000))
+ if collection_unit == 'YEAR':
+ diff = PERIOD_MS[collection_unit]
+ else:
+ diff = collection_period * PERIOD_MS[collection_unit]
+ s_time = (end_time - diff) / 1000.0
+ start_time = datetime.datetime.fromtimestamp(s_time).strftime(
+ '%Y-%m-%dT%H:%M:%S.%f')
+ base_url = "{}/v1/metric/%(0)s/measures?start=%(1)s&stop=%(2)s"
+ url = base_url.format(endpoint) % {
+ "0": metric_id, "1": start_time, "2": stop_time}
+
+ # Perform metric data request
+ metric_data = Common.perform_request(
+ url,
+ auth_token,
+ req_type="get",
+ verify_ssl=verify_ssl)
+
+ # Generate a list of the requested timestamps and data
+ for r in json.loads(metric_data.text):
+ timestamp = r[0].replace("T", " ")
+ timestamps.append(timestamp)
+ data.append(r[2])
+
return timestamps, data
def response_list(self, metric_list, metric_name=None, resource=None):
# Only list OSM metrics
name = None
if row['name'] in METRIC_MAPPINGS.values():
- for k,v in six.iteritems(METRIC_MAPPINGS):
+ for k, v in six.iteritems(METRIC_MAPPINGS):
if row['name'] == v:
name = k
metric = {"metric_name": name,
return res_list
else:
return resp_list
+
+ def _generate_and_send_response(self, key, correlation_id, **kwargs):
+ try:
+ resp_message = self._response.generate_response(
+ key, cor_id=correlation_id, **kwargs)
+ log.info("Response Message: %s", resp_message)
+ self._producer.publish_metrics_response(
+ key, resp_message)
+ except Exception as e:
+ log.exception("Response creation failed:")
+ raise e
projects / osm / MON.git / blobdiff