Commit 548c234e authored by Daniele Venzano's avatar Daniele Venzano
Browse files

Implement InfluxDB for usage metrics

parent d44996b8
......@@ -214,7 +214,7 @@ class APIEndpoint:
endpoint_ext = None
endpoint_ext = '/{}/{}'.format(zoe_lib.config.get_conf().traefik_base_url, port.proxy_key())
endpoints.append((, endpoint, endpoint_ext))
endpoints.append((port.readable_name, endpoint, endpoint_ext))
return services_info, endpoints
......@@ -62,7 +62,9 @@ def load_configuration(test_conf=None):
argparser.add_argument('--api-listen-uri', help='ZMQ API listen address', default='tcp://*:4850')
argparser.add_argument('--kairosdb-enable', action="store_true", help='Enable usage metric input from KairosDB')
argparser.add_argument('--kairosdb-url', help='URL of the KairosDB service (ex. http://localhost:8086)', default='http://localhost:8090')
argparser.add_argument('--kairosdb-url', help='URL of the KairosDB service (ex. http://localhost:8090)', default='http://localhost:8090')
argparser.add_argument('--influxdb-enable', action="store_true", help='Enable usage metric input from InfluxDB')
argparser.add_argument('--influxdb-url', help='URL of the InfluxDB service (ex. http://localhost:8086)', default='http://localhost:8086')
argparser.add_argument('--workspace-base-path', help='Base directory where user workspaces will be created. Must be visible at this path on all hosts.', default='/mnt/zoe-workspaces')
argparser.add_argument('--workspace-deployment-path', help='Path appended to the workspace path to distinguish this deployment. If unspecified is equal to the deployment name.', default='--default--')
......@@ -38,6 +38,7 @@ class Port(BaseRecord):
self.internal_number = self.description['port_number']
self.protocol = self.description['protocol']
self.url_template = self.description['url_template']
self.readable_name = self.description['name']
def serialize(self):
"""Generates a dictionary that can be serialized in JSON."""
......@@ -23,6 +23,7 @@ from copy import deepcopy
from zoe_lib.config import get_conf
from zoe_master.backends.interface import get_platform_state
from zoe_master.metrics.kairosdb import KairosDBInMetrics
from zoe_master.metrics.influxdb import InfluxDBInMetrics
log = logging.getLogger(__name__)
......@@ -45,6 +46,8 @@ class StatsManager(threading.Thread):
self._current_platform_stats = None
if get_conf().kairosdb_enable:
self.usage_metrics = KairosDBInMetrics()
elif get_conf().influxdb_enable:
self.usage_metrics = InfluxDBInMetrics()
self.usage_metrics = None
# Copyright (c) 2018, Daniele Venzano
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Retrieves metrics about services from InfluxDB."""
import logging
import requests
from zoe_lib.config import get_conf
log = logging.getLogger(__name__)
class InfluxDBInMetrics:
"""InfluxDB metrics."""
def __init__(self):
self.base_url = get_conf().influxdb_url
def get_service_usage(self, service_id):
"""Query the DB for the current usage metrics."""
query_cpu = 'SELECT mean("usage_percent") FROM "docker_container_cpu" WHERE "zoe_service_id" = \'{}\' AND time >= now() - 3m GROUP BY time(2m) ORDER BY time DESC LIMIT 1'.format(service_id)
query_mem = 'SELECT mean("usage") FROM "docker_container_mem" WHERE "zoe_service_id" = \'{}\' AND time >= now() - 3m GROUP BY time(2m) ORDER BY time DESC LIMIT 1'.format(service_id)
url = self.base_url + '/query'
resp =, data={"db": 'telegraf', 'q': query_cpu + ';' + query_mem})
influx_resp = resp.json()
if "error" in influx_resp:
log.warning("InfluxDB reported an error: {}".format(influx_resp['error']))
return None
return self._extract_data(influx_resp)
def _extract_data(self, data):
ret = {}
cpu_results = data['results'][0]
assert cpu_results['statement_id'] == 0
if 'series' in cpu_results:
val = cpu_results['series'][0]['values'][0][1]
if val is None:
ret['cpu_usage'] = 0
ret['cpu_usage'] = val
ret['cpu_usage'] = 0
mem_results = data['results'][1]
assert mem_results['statement_id'] == 1
if 'series' in mem_results:
val = mem_results['series'][0]['values'][0][1]
if val is None:
ret['mem_usage'] = 0
ret['mem_usage'] = val
ret['mem_usage'] = 0
return ret
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