1 # Copyright 2018 Whitestack, LLC
2 # *************************************************************
4 # This file is part of OSM Monitoring module
5 # All Rights Reserved to Whitestack, LLC
7 # Licensed under the Apache License, Version 2.0 (the "License"); you may
8 # not use this file except in compliance with the License. You may obtain
9 # a copy of the License at
11 # http://www.apache.org/licenses/LICENSE-2.0
13 # Unless required by applicable law or agreed to in writing, software
14 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
15 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
16 # License for the specific language governing permissions and limitations
19 # For those usages not covered by the Apache License, Version 2.0 please
20 # contact: bdiaz@whitestack.com or glavado@whitestack.com
25 from typing
import List
27 from ceilometerclient
import client
as ceilometer_client
28 from ceilometerclient
.exc
import HTTPException
29 import gnocchiclient
.exceptions
30 from gnocchiclient
.v1
import client
as gnocchi_client
31 from keystoneauth1
.exceptions
.catalog
import EndpointNotFound
32 from keystoneclient
.v3
import client
as keystone_client
33 from neutronclient
.v2_0
import client
as neutron_client
35 from osm_mon
.collector
.metric
import Metric
36 from osm_mon
.collector
.utils
.openstack
import OpenstackUtils
37 from osm_mon
.collector
.vnf_collectors
.base_vim
import BaseVimCollector
38 from osm_mon
.collector
.vnf_metric
import VnfMetric
39 from osm_mon
.core
.common_db
import CommonDbClient
40 from osm_mon
.core
.config
import Config
43 log
= logging
.getLogger(__name__
)
46 "average_memory_utilization": "memory.usage",
47 "disk_read_ops": "disk.read.requests.rate",
48 "disk_write_ops": "disk.write.requests.rate",
49 "disk_read_bytes": "disk.read.bytes.rate",
50 "disk_write_bytes": "disk.write.bytes.rate",
51 "packets_in_dropped": "network.outgoing.packets.drop",
52 "packets_out_dropped": "network.incoming.packets.drop",
53 "packets_received": "network.incoming.packets.rate",
54 "packets_sent": "network.outgoing.packets.rate",
55 "cpu_utilization": "cpu",
58 # Metrics which have new names in Rocky and higher releases
59 METRIC_MAPPINGS_FOR_ROCKY_AND_NEWER_RELEASES
= {
60 "disk_read_ops": "disk.device.read.requests",
61 "disk_write_ops": "disk.device.write.requests",
62 "disk_read_bytes": "disk.device.read.bytes",
63 "disk_write_bytes": "disk.device.write.bytes",
64 "packets_received": "network.incoming.packets",
65 "packets_sent": "network.outgoing.packets"
68 METRIC_MULTIPLIERS
= {"cpu": 0.0000001}
70 METRIC_AGGREGATORS
= {"cpu": "rate:mean"}
74 "packets_out_dropped",
80 class MetricType(Enum
):
82 INTERFACE_ALL
= "interface_all"
83 INTERFACE_ONE
= "interface_one"
86 class OpenstackCollector(BaseVimCollector
):
87 def __init__(self
, config
: Config
, vim_account_id
: str):
88 super().__init
__(config
, vim_account_id
)
89 self
.common_db
= CommonDbClient(config
)
90 vim_account
= self
.common_db
.get_vim_account(vim_account_id
)
91 self
.backend
= self
._get
_backend
(vim_account
)
93 def _build_keystone_client(self
, vim_account
: dict) -> keystone_client
.Client
:
94 sess
= OpenstackUtils
.get_session(vim_account
)
95 return keystone_client
.Client(session
=sess
)
97 def _get_resource_uuid(
98 self
, nsr_id
: str, vnf_member_index
: str, vdur_name
: str
100 vdur
= self
.common_db
.get_vdur(nsr_id
, vnf_member_index
, vdur_name
)
101 return vdur
["vim-id"]
103 def collect(self
, vnfr
: dict) -> List
[Metric
]:
104 nsr_id
= vnfr
["nsr-id-ref"]
105 vnf_member_index
= vnfr
["member-vnf-index-ref"]
106 vnfd
= self
.common_db
.get_vnfd(vnfr
["vnfd-id"])
107 # Populate extra tags for metrics
109 tags
["ns_name"] = self
.common_db
.get_nsr(nsr_id
)["name"]
110 if vnfr
["_admin"]["projects_read"]:
111 tags
["project_id"] = vnfr
["_admin"]["projects_read"][0]
113 tags
["project_id"] = ""
117 for vdur
in vnfr
["vdur"]:
118 # This avoids errors when vdur records have not been completely filled
119 if "name" not in vdur
:
121 vdu
= next(filter(lambda vdu
: vdu
["id"] == vdur
["vdu-id-ref"], vnfd
["vdu"]))
122 if "monitoring-parameter" in vdu
:
123 for param
in vdu
["monitoring-parameter"]:
124 metric_name
= param
["performance-metric"]
125 openstack_metric_name
= METRIC_MAPPINGS
[metric_name
]
126 metric_type
= self
._get
_metric
_type
(metric_name
)
128 resource_id
= self
._get
_resource
_uuid
(
129 nsr_id
, vnf_member_index
, vdur
["name"]
133 "Could not find resource_uuid for vdur %s, vnf_member_index %s, nsr_id %s. "
134 "Was it recently deleted?",
142 "Collecting metric type: %s and metric_name: %s and resource_id %s and ",
147 value
= self
.backend
.collect_metric(
148 metric_type
, openstack_metric_name
, resource_id
151 if value
is None and metric_name
in METRIC_MAPPINGS_FOR_ROCKY_AND_NEWER_RELEASES
:
152 # Reattempting metric collection with new metric names.
153 # Some metric names have changed in newer Openstack releases
155 "Reattempting metric collection for type: %s and name: %s and resource_id %s",
160 openstack_metric_name
= METRIC_MAPPINGS_FOR_ROCKY_AND_NEWER_RELEASES
[metric_name
]
161 value
= self
.backend
.collect_metric(
162 metric_type
, openstack_metric_name
, resource_id
164 if value
is not None:
165 log
.info("value: %s", value
)
174 metrics
.append(metric
)
176 log
.info("metric value is empty")
177 except Exception as e
:
179 "Error collecting metric %s for vdu %s"
180 % (metric_name
, vdur
["name"])
182 log
.info("Error in metric collection: %s" % e
)
185 def _get_backend(self
, vim_account
: dict):
187 gnocchi
= GnocchiBackend(vim_account
)
188 gnocchi
.client
.metric
.list(limit
=1)
189 log
.info("Using gnocchi backend to collect metric")
191 except (HTTPException
, EndpointNotFound
):
192 ceilometer
= CeilometerBackend(vim_account
)
193 ceilometer
.client
.capabilities
.get()
194 log
.info("Using ceilometer backend to collect metric")
197 def _get_metric_type(self
, metric_name
: str) -> MetricType
:
198 if metric_name
not in INTERFACE_METRICS
:
199 return MetricType
.INSTANCE
201 return MetricType
.INTERFACE_ALL
204 class OpenstackBackend
:
206 self
, metric_type
: MetricType
, metric_name
: str, resource_id
: str
211 class GnocchiBackend(OpenstackBackend
):
212 def __init__(self
, vim_account
: dict):
213 self
.client
= self
._build
_gnocchi
_client
(vim_account
)
214 self
.neutron
= self
._build
_neutron
_client
(vim_account
)
216 def _build_gnocchi_client(self
, vim_account
: dict) -> gnocchi_client
.Client
:
217 sess
= OpenstackUtils
.get_session(vim_account
)
218 return gnocchi_client
.Client(session
=sess
)
220 def _build_neutron_client(self
, vim_account
: dict) -> neutron_client
.Client
:
221 sess
= OpenstackUtils
.get_session(vim_account
)
222 return neutron_client
.Client(session
=sess
)
225 self
, metric_type
: MetricType
, metric_name
: str, resource_id
: str
227 if metric_type
== MetricType
.INTERFACE_ALL
:
228 return self
._collect
_interface
_all
_metric
(metric_name
, resource_id
)
230 elif metric_type
== MetricType
.INSTANCE
:
231 return self
._collect
_instance
_metric
(metric_name
, resource_id
)
234 raise Exception("Unknown metric type %s" % metric_type
.value
)
236 def _collect_interface_all_metric(self
, openstack_metric_name
, resource_id
):
238 interfaces
= self
.client
.resource
.search(
239 resource_type
="instance_network_interface",
240 query
={"=": {"instance_id": resource_id
}},
242 for interface
in interfaces
:
244 measures
= self
.client
.metric
.get_measures(
245 openstack_metric_name
, resource_id
=interface
["id"], limit
=1
248 if not total_measure
:
250 total_measure
+= measures
[-1][2]
251 except (gnocchiclient
.exceptions
.NotFound
, TypeError) as e
:
252 # Gnocchi in some Openstack versions raise TypeError instead of NotFound
254 "No metric %s found for interface %s: %s",
255 openstack_metric_name
,
261 def _collect_instance_metric(self
, openstack_metric_name
, resource_id
):
264 aggregation
= METRIC_AGGREGATORS
.get(openstack_metric_name
)
267 measures
= self
.client
.metric
.get_measures(
268 openstack_metric_name
,
269 aggregation
=aggregation
,
270 start
=time
.time() - 1200,
271 resource_id
=resource_id
,
274 value
= measures
[-1][2]
276 gnocchiclient
.exceptions
.NotFound
,
277 gnocchiclient
.exceptions
.BadRequest
,
280 # CPU metric in previous Openstack versions do not support rate:mean aggregation method
281 # Gnocchi in some Openstack versions raise TypeError instead of NotFound or BadRequest
282 if openstack_metric_name
== "cpu":
284 "No metric %s found for instance %s: %s",
285 openstack_metric_name
,
290 "Retrying to get metric %s for instance %s without aggregation",
291 openstack_metric_name
,
294 measures
= self
.client
.metric
.get_measures(
295 openstack_metric_name
, resource_id
=resource_id
, limit
=1
299 # measures[-1] is the last measure
300 # measures[-2] is the previous measure
301 # measures[x][2] is the value of the metric
302 if measures
and len(measures
) >= 2:
303 value
= measures
[-1][2] - measures
[-2][2]
305 # measures[-1][0] is the time of the reporting interval
306 # measures[-1][1] is the duration of the reporting interval
308 # If this is an aggregate, we need to divide the total over the reported time period.
309 # Even if the aggregation method is not supported by Openstack, the code will execute it
310 # because aggregation is specified in METRIC_AGGREGATORS
311 value
= value
/ measures
[-1][1]
312 if openstack_metric_name
in METRIC_MULTIPLIERS
:
313 value
= value
* METRIC_MULTIPLIERS
[openstack_metric_name
]
314 except gnocchiclient
.exceptions
.NotFound
as e
:
316 "No metric %s found for instance %s: %s",
317 openstack_metric_name
,
324 class CeilometerBackend(OpenstackBackend
):
325 def __init__(self
, vim_account
: dict):
326 self
.client
= self
._build
_ceilometer
_client
(vim_account
)
328 def _build_ceilometer_client(self
, vim_account
: dict) -> ceilometer_client
.Client
:
329 sess
= OpenstackUtils
.get_session(vim_account
)
330 return ceilometer_client
.Client("2", session
=sess
)
333 self
, metric_type
: MetricType
, metric_name
: str, resource_id
: str
335 if metric_type
!= MetricType
.INSTANCE
:
336 raise NotImplementedError(
337 "Ceilometer backend only support instance metrics"
339 measures
= self
.client
.samples
.list(
340 meter_name
=metric_name
,
342 q
=[{"field": "resource_id", "op": "eq", "value": resource_id
}],
344 return measures
[0].counter_volume
if measures
else None