950 lines
35 KiB
Python
950 lines
35 KiB
Python
# (C) Copyright 2014-2018 Hewlett Packard Enterprise Development LP
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# Copyright 2015 Cray Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from datetime import datetime
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from datetime import timedelta
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from distutils import version
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from influxdb import client
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from influxdb.exceptions import InfluxDBClientError
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from oslo_config import cfg
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from oslo_log import log
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from oslo_utils import timeutils
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import requests
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from monasca_common.rest import utils as rest_utils
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from monasca_api.common.repositories import exceptions
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from monasca_api.common.repositories import metrics_repository
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MEASUREMENT_NOT_FOUND_MSG = "measurement not found"
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CONF = cfg.CONF
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LOG = log.getLogger(__name__)
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class MetricsRepository(metrics_repository.AbstractMetricsRepository):
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def __init__(self):
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try:
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self.conf = cfg.CONF
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self.influxdb_client = client.InfluxDBClient(
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self.conf.influxdb.ip_address, self.conf.influxdb.port,
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self.conf.influxdb.user, self.conf.influxdb.password,
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self.conf.influxdb.database_name)
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self._version = None
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self._init_version()
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except Exception as ex:
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LOG.exception(ex)
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raise exceptions.RepositoryException(ex)
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self._serie_builders_version_map = {
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'to_0.11.0': (self._build_serie_dimension_values_to_v0_11_0,
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self._build_serie_metric_list_to_v0_11_0),
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'from_0.11.0': (self._build_serie_dimension_values_from_v0_11_0,
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self._build_serie_metric_list_from_v0_11_0)}
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def _build_serie_dimension_values(self, *args, **kwargs):
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if self._version:
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f = self._serie_builders_version_map[self._version][0]
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return f(*args, **kwargs)
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else:
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self._init_version()
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if self._version:
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f = self._serie_builders_version_map[self._version][0]
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return f(*args, **kwargs)
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LOG.error('influxdb is not available, giving up')
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raise exceptions.RepositoryException('Repository not available')
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def _build_serie_metric_list(self, *args, **kwargs):
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if self._version:
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f = self._serie_builders_version_map[self._version][1]
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return f(*args, **kwargs)
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else:
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self._init_version()
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if self._version:
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f = self._serie_builders_version_map[self._version][1]
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return f(*args, **kwargs)
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LOG.error('influxdb is not available, giving up')
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raise exceptions.RepositoryException('Repository not available')
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def _init_version(self):
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'''Initializes functions for serie builders that are specific to different versions
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of InfluxDB.
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In InfluxDB v0.11.0 the SHOW SERIES output changed. See,
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https://github.com/influxdata/influxdb/blob/master/CHANGELOG.md#v0110-2016-03-22
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'''
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try:
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influxdb_version = self._get_influxdb_version()
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if influxdb_version < version.StrictVersion('0.11.0'):
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self._version = 'to_0.11.0'
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LOG.info('Initialize InfluxDB serie builders < v0.11.0')
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else:
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self._version = 'from_0.11.0'
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LOG.info('Initialize InfluxDB serie builders >= v0.11.0')
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except (requests.exceptions.ConnectionError,
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requests.exceptions.ConnectTimeout):
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# these errors mean that the backend is not ready yet, we shall try
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# to build series on each request
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LOG.warning('influxdb is not ready yet')
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except Exception as ex:
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LOG.exception(ex)
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# Initialize the serie builders to v0_11_0. Not sure when SHOW DIAGNOSTICS added
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# support for a version string so to address backward compatibility initialize
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# InfluxDB serie builders < v0.11.0
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self._version = 'to_0.11.0'
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LOG.info('Initialize InfluxDB serie builders < v0.11.0')
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def _get_influxdb_version(self):
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'''If Version found in the result set, return the InfluxDB Version,
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otherwise raise an exception. InfluxDB has changed the format of their
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result set and SHOW DIAGNOSTICS was introduced at some point so earlier releases
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of InfluxDB might not return a Version.
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'''
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try:
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result = self.influxdb_client.query('SHOW DIAGNOSTICS')
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except InfluxDBClientError as ex:
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LOG.exception(ex)
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raise
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if 'series' not in result.raw:
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LOG.exception('series not in result.raw')
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raise Exception('Series not in SHOW DIAGNOSTICS result set')
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for series in result.raw['series']:
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if 'columns' not in series:
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continue
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columns = series['columns']
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if u'Version' not in series['columns']:
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continue
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if u'values' not in series:
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continue
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for value in series[u'values']:
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version_index = columns.index(u'Version')
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version_str = value[version_index]
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return version.StrictVersion(version_str)
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raise Exception('Version not found in SHOW DIAGNOSTICS result set')
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def _build_show_series_query(self, dimensions, name, tenant_id, region,
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start_timestamp=None, end_timestamp=None):
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where_clause = self._build_where_clause(dimensions, name, tenant_id,
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region, start_timestamp,
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end_timestamp)
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query = 'show series ' + where_clause
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return query
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def _build_show_measurements_query(self, dimensions, name, tenant_id, region):
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where_clause = self._build_where_clause(dimensions, name, tenant_id,
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region)
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query = 'show measurements ' + where_clause
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return query
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def _build_show_tag_values_query(self, metric_name, dimension_name,
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tenant_id, region):
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from_with_clause = ''
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if metric_name:
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from_with_clause += ' from "{}"'.format(metric_name)
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if dimension_name:
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from_with_clause += ' with key = "{}"'.format(dimension_name)
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where_clause = self._build_where_clause(None, None, tenant_id, region)
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query = 'show tag values' + from_with_clause + where_clause
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return query
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def _build_show_tag_keys_query(self, metric_name, tenant_id, region):
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from_with_clause = ''
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if metric_name:
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from_with_clause += ' from "{}"'.format(metric_name)
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where_clause = self._build_where_clause(None, None, tenant_id, region)
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query = 'show tag keys' + from_with_clause + where_clause
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return query
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def _build_select_measurement_query(self, dimensions, name, tenant_id,
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region, start_timestamp, end_timestamp,
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offset, group_by, limit):
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from_clause = self._build_from_clause(dimensions, name, tenant_id,
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region, start_timestamp,
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end_timestamp)
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offset_clause = self._build_offset_clause(offset)
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group_by_clause = self._build_group_by_clause(group_by)
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limit_clause = self._build_limit_clause(limit)
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query = 'select value, value_meta '\
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+ from_clause + offset_clause\
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+ group_by_clause + limit_clause
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return query
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def _build_statistics_query(self, dimensions, name, tenant_id,
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region, start_timestamp, end_timestamp,
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statistics, period, offset, group_by, limit):
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from_clause = self._build_from_clause(dimensions, name, tenant_id,
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region, start_timestamp,
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end_timestamp)
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if period is None:
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period = str(300)
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if offset:
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if '_' in offset:
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tmp = datetime.strptime(str(offset).split('_')[1], "%Y-%m-%dT%H:%M:%SZ")
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tmp = tmp + timedelta(seconds=int(period))
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# Leave out any ID as influx doesn't understand it
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offset = tmp.isoformat()
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else:
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tmp = datetime.strptime(offset, "%Y-%m-%dT%H:%M:%SZ")
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offset = tmp + timedelta(seconds=int(period))
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offset_clause = (" and time > '{}'".format(offset))
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from_clause += offset_clause
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statistics = [statistic.replace('avg', 'mean') for statistic in
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statistics]
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statistics = [statistic + '(value)' for statistic in statistics]
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statistic_string = ",".join(statistics)
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query = 'select ' + statistic_string + ' ' + from_clause
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query += self._build_group_by_clause(group_by, period)
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limit_clause = self._build_limit_clause(limit)
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query += limit_clause
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return query
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def _build_where_clause(self, dimensions, name, tenant_id, region,
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start_timestamp=None, end_timestamp=None):
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where_clause = ''
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# name - optional
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if name:
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# replace ' with \' to make query parsable
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clean_name = name.replace("'", "\\'")
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where_clause += ' from "{}" '.format(clean_name.encode('utf8'))
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# tenant id
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where_clause += " where _tenant_id = '{}' ".format(tenant_id.encode(
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"utf8"))
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# region
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where_clause += " and _region = '{}' ".format(region.encode('utf8'))
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# dimensions - optional
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if dimensions:
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for dimension_name, dimension_value in iter(
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sorted(dimensions.items())):
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# replace ' with \' to make query parsable
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clean_dimension_name = dimension_name.replace("\'", "\\'")
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if dimension_value == "":
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where_clause += " and \"{}\" =~ /.+/ ".format(
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clean_dimension_name)
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elif '|' in dimension_value:
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# replace ' with \' to make query parsable
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clean_dimension_value = dimension_value.replace("\'", "\\'")
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where_clause += " and \"{}\" =~ /^{}$/ ".format(
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clean_dimension_name.encode('utf8'),
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clean_dimension_value.encode('utf8'))
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else:
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# replace ' with \' to make query parsable
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clean_dimension_value = dimension_value.replace("\'", "\\'")
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where_clause += " and \"{}\" = '{}' ".format(
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clean_dimension_name.encode('utf8'),
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clean_dimension_value.encode('utf8'))
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if start_timestamp is not None:
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where_clause += " and time >= " + str(int(start_timestamp *
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1000000)) + "u"
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if end_timestamp is not None:
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where_clause += " and time < " + str(int(end_timestamp *
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1000000)) + "u"
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return where_clause
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def _build_from_clause(self, dimensions, name, tenant_id, region,
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start_timestamp=None, end_timestamp=None):
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from_clause = self._build_where_clause(dimensions, name, tenant_id,
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region, start_timestamp,
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end_timestamp)
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return from_clause
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def list_metrics(self, tenant_id, region, name, dimensions, offset,
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limit, start_timestamp=None, end_timestamp=None):
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try:
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query = self._build_show_series_query(dimensions, name, tenant_id, region)
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query += " limit {}".format(limit + 1)
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if offset:
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query += ' offset {}'.format(int(offset) + 1)
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result = self.influxdb_client.query(query)
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json_metric_list = self._build_serie_metric_list(result,
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tenant_id,
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region,
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start_timestamp,
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end_timestamp,
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offset)
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return json_metric_list
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except InfluxDBClientError as ex:
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if str(ex).startswith(MEASUREMENT_NOT_FOUND_MSG):
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return []
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else:
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LOG.exception(ex)
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raise exceptions.RepositoryException(ex)
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except Exception as ex:
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LOG.exception(ex)
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raise exceptions.RepositoryException(ex)
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def _build_serie_dimension_values_to_v0_11_0(self, series_names, dimension_name):
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dim_value_set = set()
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json_dim_value_list = []
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if not series_names:
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return json_dim_value_list
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if 'series' not in series_names.raw:
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return json_dim_value_list
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if not dimension_name:
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return json_dim_value_list
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for series in series_names.raw['series']:
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if 'columns' not in series:
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continue
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if u'values' not in series:
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continue
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for value in series[u'values']:
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dim_value_set.add(value[0])
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for value in dim_value_set:
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json_dim_value_list.append({u'dimension_value': value})
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json_dim_value_list = sorted(json_dim_value_list)
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return json_dim_value_list
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def _build_serie_dimension_values_from_v0_11_0(self, series_names, dimension_name):
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'''In InfluxDB v0.11.0 the SHOW TAG VALUES output changed.
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See, https://github.com/influxdata/influxdb/blob/master/CHANGELOG.md#v0110-2016-03-22
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'''
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dim_value_set = set()
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json_dim_value_list = []
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if not series_names:
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return json_dim_value_list
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if 'series' not in series_names.raw:
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return json_dim_value_list
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if not dimension_name:
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return json_dim_value_list
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for series in series_names.raw['series']:
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if 'columns' not in series:
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continue
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columns = series['columns']
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if 'key' not in columns:
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continue
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if u'values' not in series:
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continue
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for value in series[u'values']:
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if len(value) < 2:
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continue
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for tag in value[1:]:
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dim_value_set.add(tag)
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for value in dim_value_set:
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json_dim_value_list.append({u'dimension_value': value})
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json_dim_value_list = sorted(json_dim_value_list)
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return json_dim_value_list
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def _build_serie_dimension_names(self, series_names):
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dim_name_set = set()
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json_dim_name_list = []
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if not series_names:
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return json_dim_name_list
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if 'series' not in series_names.raw:
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return json_dim_name_list
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for series in series_names.raw['series']:
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if 'columns' not in series:
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continue
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if u'values' not in series:
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continue
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for value in series[u'values']:
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tag_key = value[0]
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if tag_key.startswith(u'_'):
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continue
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dim_name_set.add(tag_key)
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for name in dim_name_set:
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json_dim_name_list.append({u'dimension_name': name})
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json_dim_name_list = sorted(json_dim_name_list, key=lambda x: x[u'dimension_name'])
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return json_dim_name_list
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def _build_serie_metric_list_to_v0_11_0(self, series_names, tenant_id, region,
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start_timestamp, end_timestamp,
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offset):
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json_metric_list = []
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if not series_names:
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return json_metric_list
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if 'series' not in series_names.raw:
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return json_metric_list
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metric_id = 0
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if offset:
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metric_id = int(offset) + 1
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for series in series_names.raw['series']:
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for tag_values in series[u'values']:
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dimensions = {
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name: value
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for name, value in zip(series[u'columns'], tag_values)
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if value and not name.startswith(u'_')
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}
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if self._has_measurements(tenant_id,
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region,
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series[u'name'],
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dimensions,
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start_timestamp,
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end_timestamp):
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metric = {u'id': str(metric_id),
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u'name': series[u'name'],
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u'dimensions': dimensions}
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metric_id += 1
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json_metric_list.append(metric)
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return json_metric_list
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def _build_serie_metric_list_from_v0_11_0(self, series_names, tenant_id, region,
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start_timestamp, end_timestamp, offset):
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'''In InfluxDB v0.11.0 the SHOW SERIES output changed.
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See, https://github.com/influxdata/influxdb/blob/master/CHANGELOG.md#v0110-2016-03-22
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'''
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json_metric_list = []
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if not series_names:
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return json_metric_list
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if 'series' not in series_names.raw:
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return json_metric_list
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metric_id = 0
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if offset:
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metric_id = int(offset) + 1
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for series in series_names.raw['series']:
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if 'columns' not in series:
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continue
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columns = series['columns']
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if 'key' not in columns:
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continue
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key_index = columns.index('key')
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if u'values' not in series:
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continue
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for value in series[u'values']:
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split_value = value[key_index].split(',')
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if len(split_value) < 2:
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continue
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serie_name = split_value[0]
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dimensions = {}
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for tag in split_value[1:]:
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tag_key_value = tag.split('=')
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if len(tag_key_value) < 2:
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continue
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tag_key = tag_key_value[0]
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tag_value = tag_key_value[1]
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if tag_key.startswith(u'_'):
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continue
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dimensions[tag_key] = tag_value
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if not self._has_measurements(tenant_id,
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region,
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serie_name,
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dimensions,
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start_timestamp,
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end_timestamp):
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continue
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metric = {u'id': str(metric_id),
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u'name': serie_name,
|
|
u'dimensions': dimensions}
|
|
metric_id += 1
|
|
json_metric_list.append(metric)
|
|
|
|
return json_metric_list
|
|
|
|
def _build_measurement_name_list(self, measurement_names):
|
|
"""read measurement names from InfluxDB response
|
|
|
|
Extract the measurement names (InfluxDB terminology) from the SHOW MEASURMENTS result to yield metric names
|
|
:param measurement_names: result from SHOW MEASUREMENTS call (json-dict)
|
|
:return: list of metric-names (Monasca terminology)
|
|
"""
|
|
|
|
json_metric_list = []
|
|
|
|
if not measurement_names:
|
|
return json_metric_list
|
|
|
|
for name in measurement_names.raw.get(u'series', [{}])[0].get(u'values', []):
|
|
entry = {u'name': name[0]}
|
|
json_metric_list.append(entry)
|
|
|
|
json_metric_list = sorted(json_metric_list)
|
|
return json_metric_list
|
|
|
|
def _get_dimensions(self, tenant_id, region, name, dimensions):
|
|
metrics_list = self.list_metrics(tenant_id, region, name,
|
|
dimensions, None, 2)
|
|
|
|
if len(metrics_list) > 1:
|
|
raise exceptions.MultipleMetricsException(self.MULTIPLE_METRICS_MESSAGE)
|
|
|
|
if not metrics_list:
|
|
return {}
|
|
|
|
return metrics_list[0]['dimensions']
|
|
|
|
def measurement_list(self, tenant_id, region, name, dimensions,
|
|
start_timestamp, end_timestamp, offset,
|
|
limit, merge_metrics_flag, group_by):
|
|
|
|
json_measurement_list = []
|
|
|
|
offset_id = 0
|
|
offset_timestamp = offset
|
|
|
|
if offset and "_" in offset:
|
|
offset_id_str, _, offset_timestamp = offset.partition('_')
|
|
offset_id = int(offset_id_str)
|
|
|
|
try:
|
|
# the build query method apparently only considers offset timestamp.
|
|
query = self._build_select_measurement_query(dimensions, name,
|
|
tenant_id,
|
|
region,
|
|
start_timestamp,
|
|
end_timestamp,
|
|
offset_timestamp, group_by,
|
|
limit)
|
|
|
|
if not group_by and not merge_metrics_flag:
|
|
dimensions = self._get_dimensions(tenant_id, region, name, dimensions)
|
|
query += " slimit 1"
|
|
|
|
result = self.influxdb_client.query(query)
|
|
|
|
if not result:
|
|
return json_measurement_list
|
|
|
|
index = offset_id
|
|
|
|
for serie in result.raw['series']:
|
|
|
|
if 'values' in serie:
|
|
|
|
measurements_list = []
|
|
for point in serie['values']:
|
|
value_meta = rest_utils.from_json(point[2]) if point[2] else {}
|
|
timestamp = point[0][:19] + '.' + point[0][20:-1].ljust(3, '0') + 'Z'
|
|
|
|
measurements_list.append([timestamp,
|
|
point[1],
|
|
value_meta])
|
|
|
|
measurement = {u'name': serie['name'],
|
|
u'id': str(index),
|
|
u'columns': [u'timestamp', u'value',
|
|
u'value_meta'],
|
|
u'measurements': measurements_list}
|
|
|
|
if not group_by:
|
|
measurement[u'dimensions'] = dimensions
|
|
else:
|
|
measurement[u'dimensions'] = {key: value for key, value in serie['tags'].items()
|
|
if not key.startswith('_')}
|
|
|
|
json_measurement_list.append(measurement)
|
|
index += 1
|
|
|
|
return json_measurement_list
|
|
|
|
except exceptions.RepositoryException as ex:
|
|
|
|
if (len(ex.args) and isinstance(ex.args[0], InfluxDBClientError) and
|
|
str(ex.args[0]).startswith(MEASUREMENT_NOT_FOUND_MSG)):
|
|
|
|
return json_measurement_list
|
|
|
|
else:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise ex
|
|
|
|
except InfluxDBClientError as ex:
|
|
|
|
if str(ex).startswith(MEASUREMENT_NOT_FOUND_MSG):
|
|
|
|
return json_measurement_list
|
|
|
|
else:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
except Exception as ex:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
def list_metric_names(self, tenant_id, region, dimensions):
|
|
|
|
try:
|
|
|
|
query = self._build_show_measurements_query(dimensions, None, tenant_id,
|
|
region)
|
|
|
|
result = self.influxdb_client.query(query)
|
|
|
|
json_name_list = self._build_measurement_name_list(result)
|
|
return json_name_list
|
|
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
def metrics_statistics(self, tenant_id, region, name, dimensions,
|
|
start_timestamp, end_timestamp, statistics,
|
|
period, offset, limit, merge_metrics_flag,
|
|
group_by):
|
|
|
|
json_statistics_list = []
|
|
|
|
try:
|
|
query = self._build_statistics_query(dimensions, name, tenant_id,
|
|
region, start_timestamp,
|
|
end_timestamp, statistics,
|
|
period, offset, group_by, limit)
|
|
|
|
if not group_by and not merge_metrics_flag:
|
|
dimensions = self._get_dimensions(tenant_id, region, name, dimensions)
|
|
query += " slimit 1"
|
|
|
|
result = self.influxdb_client.query(query)
|
|
|
|
if not result:
|
|
return json_statistics_list
|
|
|
|
offset_id = 0
|
|
if offset is not None:
|
|
offset_tuple = offset.split('_')
|
|
# If offset_id is given, add 1 since we want the next one
|
|
if len(offset_tuple) > 1:
|
|
offset_id = int(offset_tuple[0]) + 1
|
|
index = offset_id
|
|
|
|
for serie in result.raw['series']:
|
|
|
|
if 'values' in serie:
|
|
columns = [column.replace('time', 'timestamp').replace('mean', 'avg')
|
|
for column in serie['columns']]
|
|
|
|
stats_list = []
|
|
for stats in serie['values']:
|
|
# remove sub-second timestamp values (period can never be less than 1)
|
|
timestamp = stats[0]
|
|
if '.' in timestamp:
|
|
stats[0] = str(timestamp)[:19] + 'Z'
|
|
for stat in stats[1:]:
|
|
# Only add row if there is a valid value in the row
|
|
if stat is not None:
|
|
stats_list.append(stats)
|
|
break
|
|
|
|
statistic = {u'name': serie['name'],
|
|
u'id': str(index),
|
|
u'columns': columns,
|
|
u'statistics': stats_list}
|
|
|
|
if not group_by:
|
|
statistic[u'dimensions'] = dimensions
|
|
else:
|
|
statistic[u'dimensions'] = {key: value for key, value in serie['tags'].items()
|
|
if not key.startswith('_')}
|
|
|
|
json_statistics_list.append(statistic)
|
|
index += 1
|
|
|
|
return json_statistics_list
|
|
|
|
except exceptions.RepositoryException as ex:
|
|
|
|
if (len(ex.args) and isinstance(ex.args[0], InfluxDBClientError) and
|
|
str(ex.args[0]).startswith(MEASUREMENT_NOT_FOUND_MSG)):
|
|
|
|
return json_statistics_list
|
|
|
|
else:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise ex
|
|
|
|
except InfluxDBClientError as ex:
|
|
|
|
if str(ex).startswith(MEASUREMENT_NOT_FOUND_MSG):
|
|
|
|
return json_statistics_list
|
|
|
|
else:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
except Exception as ex:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
def _build_offset_clause(self, offset):
|
|
if offset:
|
|
# offset may be given as a timestamp or as epoch time in ms
|
|
if str(offset).isdigit():
|
|
# epoch time
|
|
offset_clause = " and time > {}ms".format(offset)
|
|
else:
|
|
# timestamp
|
|
offset_clause = " and time > '{}'".format(offset)
|
|
else:
|
|
offset_clause = ""
|
|
|
|
return offset_clause
|
|
|
|
def _build_group_by_clause(self, group_by, period=None):
|
|
if group_by is not None and not isinstance(group_by, list):
|
|
group_by = str(group_by).split(',')
|
|
if group_by or period:
|
|
items = []
|
|
if group_by:
|
|
items.extend(group_by)
|
|
if period:
|
|
items.append("time(" + str(period) + "s) fill(none)")
|
|
clause = " group by " + ','.join(items)
|
|
else:
|
|
clause = ""
|
|
|
|
return clause
|
|
|
|
def _build_limit_clause(self, limit):
|
|
return " limit {} ".format(str(limit + 1))
|
|
|
|
def _has_measurements(self, tenant_id, region, name, dimensions,
|
|
start_timestamp, end_timestamp):
|
|
|
|
has_measurements = True
|
|
|
|
#
|
|
# No need for the additional query if we don't have a start timestamp.
|
|
#
|
|
if not start_timestamp:
|
|
return True
|
|
|
|
#
|
|
# We set limit to 1 for the measurement_list call, as we are only
|
|
# interested in knowing if there is at least one measurement, and
|
|
# not ask too much of influxdb.
|
|
#
|
|
measurements = self.measurement_list(tenant_id,
|
|
region,
|
|
name,
|
|
dimensions,
|
|
start_timestamp,
|
|
end_timestamp,
|
|
None,
|
|
1,
|
|
False,
|
|
None)
|
|
|
|
if len(measurements) == 0:
|
|
has_measurements = False
|
|
|
|
return has_measurements
|
|
|
|
def alarm_history(self, tenant_id, alarm_id_list,
|
|
offset, limit, start_timestamp=None,
|
|
end_timestamp=None):
|
|
|
|
try:
|
|
|
|
json_alarm_history_list = []
|
|
|
|
if not alarm_id_list:
|
|
return json_alarm_history_list
|
|
|
|
for alarm_id in alarm_id_list:
|
|
if '\'' in alarm_id or ';' in alarm_id:
|
|
raise Exception(
|
|
"Input from user contains single quote ['] or "
|
|
"semi-colon [;] characters[ {} ]".format(alarm_id))
|
|
|
|
query = """
|
|
select alarm_id, metrics, new_state, old_state,
|
|
reason, reason_data, sub_alarms, tenant_id
|
|
from alarm_state_history
|
|
"""
|
|
|
|
where_clause = (
|
|
" where tenant_id = '{}' ".format(tenant_id.encode('utf8')))
|
|
|
|
alarm_id_where_clause_list = (
|
|
[" alarm_id = '{}' ".format(id.encode('utf8'))
|
|
for id in alarm_id_list])
|
|
|
|
alarm_id_where_clause = " or ".join(alarm_id_where_clause_list)
|
|
|
|
where_clause += ' and (' + alarm_id_where_clause + ')'
|
|
|
|
time_clause = ''
|
|
if start_timestamp:
|
|
time_clause += " and time >= " + str(int(start_timestamp *
|
|
1000000)) + "u "
|
|
|
|
if end_timestamp:
|
|
time_clause += " and time <= " + str(int(end_timestamp *
|
|
1000000)) + "u "
|
|
|
|
offset_clause = self._build_offset_clause(offset)
|
|
|
|
limit_clause = self._build_limit_clause(limit)
|
|
|
|
query += where_clause + time_clause + offset_clause + limit_clause
|
|
|
|
result = self.influxdb_client.query(query)
|
|
|
|
if not result:
|
|
return json_alarm_history_list
|
|
|
|
if 'values' in result.raw['series'][0]:
|
|
|
|
for point in result.raw['series'][0]['values']:
|
|
alarm_point = {u'timestamp': point[0],
|
|
u'alarm_id': point[1],
|
|
u'metrics': rest_utils.from_json(point[2]),
|
|
u'new_state': point[3],
|
|
u'old_state': point[4],
|
|
u'reason': point[5],
|
|
u'reason_data': point[6],
|
|
u'sub_alarms': rest_utils.from_json(point[7]),
|
|
u'id': str(self._get_millis_from_timestamp(
|
|
timeutils.parse_isotime(point[0])))}
|
|
|
|
# java api formats these during json serialization
|
|
if alarm_point[u'sub_alarms']:
|
|
for sub_alarm in alarm_point[u'sub_alarms']:
|
|
sub_expr = sub_alarm['sub_alarm_expression']
|
|
metric_def = sub_expr['metric_definition']
|
|
sub_expr['metric_name'] = metric_def['name']
|
|
sub_expr['dimensions'] = metric_def['dimensions']
|
|
del sub_expr['metric_definition']
|
|
|
|
json_alarm_history_list.append(alarm_point)
|
|
|
|
return json_alarm_history_list
|
|
|
|
except Exception as ex:
|
|
|
|
LOG.exception(ex)
|
|
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
def _get_millis_from_timestamp(self, dt):
|
|
dt = dt.replace(tzinfo=None)
|
|
return int((dt - datetime(1970, 1, 1)).total_seconds() * 1000)
|
|
|
|
def list_dimension_values(self, tenant_id, region, metric_name,
|
|
dimension_name):
|
|
try:
|
|
query = self._build_show_tag_values_query(metric_name,
|
|
dimension_name,
|
|
tenant_id, region)
|
|
result = self.influxdb_client.query(query)
|
|
json_dim_name_list = self._build_serie_dimension_values(
|
|
result, dimension_name)
|
|
return json_dim_name_list
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
def list_dimension_names(self, tenant_id, region, metric_name):
|
|
try:
|
|
query = self._build_show_tag_keys_query(metric_name,
|
|
tenant_id, region)
|
|
result = self.influxdb_client.query(query)
|
|
json_dim_name_list = self._build_serie_dimension_names(result)
|
|
return json_dim_name_list
|
|
except Exception as ex:
|
|
LOG.exception(ex)
|
|
raise exceptions.RepositoryException(ex)
|
|
|
|
@staticmethod
|
|
def check_status():
|
|
uri = 'http://{0}:{1}/ping'.format(CONF.influxdb.ip_address,
|
|
CONF.influxdb.port)
|
|
try:
|
|
resp = requests.head(url=uri)
|
|
except Exception as ex:
|
|
LOG.exception(str(ex))
|
|
return False, str(ex)
|
|
|
|
return resp.ok, 'OK' if resp.ok else 'Error: {0}'.format(
|
|
resp.status_code)
|