__author__ = "Helena McGough"
METRIC_MAPPINGS = {
- "AVERAGE_MEMORY_UTILIZATION": "memory.percent",
- "DISK_READ_OPS": "disk.disk_ops",
- "DISK_WRITE_OPS": "disk.disk_ops",
- "DISK_READ_BYTES": "disk.disk_octets",
- "DISK_WRITE_BYTES": "disk.disk_octets",
- "PACKETS_DROPPED": "interface.if_dropped",
- "PACKETS_RECEIVED": "interface.if_packets",
- "PACKETS_SENT": "interface.if_packets",
- "CPU_UTILIZATION": "cpu.percent",
+ "average_memory_utilization": "memory.percent",
+ "disk_read_ops": "disk.disk_ops",
+ "disk_write_ops": "disk.disk_ops",
+ "disk_read_bytes": "disk.disk_octets",
+ "disk_write_bytes": "disk.disk_octets",
+ "packets_dropped": "interface.if_dropped",
+ "packets_received": "interface.if_packets",
+ "packets_sent": "interface.if_packets",
+ "cpu_utilization": "cpu.percent",
}
PERIOD_MS = {
if vim_type == "openstack":
# Generate auth_token and endpoint
- auth_token, endpoint = self.authenticate(values)
+ auth_token, endpoint = self.authenticate()
if message.key == "create_metric_request":
# Configure metric
endpoint, auth_token, metric_name, resource_id)
if metric_id is None:
- # Need to create a new version of the resource for gnocchi to
- # create the new metric based on that resource
- url = "{}/v1/resource/generic".format(endpoint)
+ # Try appending metric to existing resource
try:
- # Try to create a new resource for the new metric
- metric = {'name': metric_name,
- 'archive_policy_name': 'high',
- 'unit': values['metric_unit'], }
-
- resource_payload = json.dumps({'id': resource_id,
- 'metrics': {
- metric_name: metric}})
-
- new_resource = self._common._perform_request(
- url, auth_token, req_type="post", payload=resource_payload)
-
- resource_id = json.loads(new_resource.text)['id']
- except Exception as exc:
- # Append new metric to existing resource
- log.debug("This resource already exists:%s, appending metric.",
- exc)
base_url = "{}/v1/resource/generic/%s/metric"
res_url = base_url.format(endpoint) % resource_id
payload = {metric_name: {'archive_policy_name': 'high',
'unit': values['metric_unit']}}
- self._common._perform_request(
+ result = self._common._perform_request(
res_url, auth_token, req_type="post",
payload=json.dumps(payload))
+ # 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
+ 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'], }
+
+ resource_payload = json.dumps({'id': resource_id,
+ 'metrics': {
+ metric_name: metric}})
+
+ resource = self._common._perform_request(
+ url, auth_token, req_type="post",
+ payload=resource_payload)
+
+ # 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, resource_id)
- return metric_id, resource_id, True
+ metric_id = self.get_metric_id(
+ endpoint, auth_token, metric_name, new_resource_id)
+
+ 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
else:
- log.debug("This metric already exists for this resource.")
+ log.info("This metric already exists for this resource.")
return metric_id, resource_id, False
url, auth_token, req_type="get")
return json.loads(result.text)['metrics'][metric_name]
except Exception:
- log.debug("Metric doesn't exist. No metric_id available")
+ log.info("Metric doesn't exist. No metric_id available")
return None
def get_metric_name(self, values):
"""Check metric name configuration and normalize."""
try:
# Normalize metric name
- metric_name = values['metric_name']
+ metric_name = values['metric_name'].lower()
return metric_name, METRIC_MAPPINGS[metric_name]
except KeyError:
- log.warn("Metric name %s is invalid.", metric_name)
+ log.info("Metric name %s is invalid.", metric_name)
return metric_name, None
def read_metric_data(self, endpoint, auth_token, values):
log.warn("Failed to gather specified measures: %s", exc)
return timestamps, data
- def authenticate(self, values):
+ def authenticate(self):
"""Generate an authentication token and endpoint for metric request."""
try:
# Check for a tenant_id
- auth_token = self._common._authenticate(
- tenant_id=values['tenant_uuid'])
- endpoint = self._common.get_endpoint("metric")
- except KeyError:
- log.warn("Tenant ID is not specified. Will use a generic\
- authentication.")
auth_token = self._common._authenticate()
endpoint = self._common.get_endpoint("metric")
+ return auth_token, endpoint
+ except Exception as exc:
+ log.warn("Authentication to Keystone failed: %s", exc)
- return auth_token, endpoint
+ return None, None
def response_list(self, metric_list, metric_name=None, resource=None):
"""Create the appropriate lists for a list response."""