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-rw-r--r--api/utils/influx.py73
1 files changed, 73 insertions, 0 deletions
diff --git a/api/utils/influx.py b/api/utils/influx.py
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+++ b/api/utils/influx.py
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+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+import logging
+from urlparse import urlsplit
+
+from influxdb import InfluxDBClient
+import ConfigParser
+
+from api import conf
+
+logger = logging.getLogger(__name__)
+
+
+def get_data_db_client():
+ parser = ConfigParser.ConfigParser()
+ try:
+ parser.read(conf.OUTPUT_CONFIG_FILE_PATH)
+ dispatcher = parser.get('DEFAULT', 'dispatcher')
+
+ if 'influxdb' != dispatcher:
+ raise RuntimeError
+
+ ip = _get_ip(parser.get('dispatcher_influxdb', 'target'))
+ username = parser.get('dispatcher_influxdb', 'username')
+ password = parser.get('dispatcher_influxdb', 'password')
+ db_name = parser.get('dispatcher_influxdb', 'db_name')
+ return InfluxDBClient(ip, conf.PORT, username, password, db_name)
+ except ConfigParser.NoOptionError:
+ logger.error('can not find the key')
+ raise
+
+
+def _get_ip(url):
+ return urlsplit(url).hostname
+
+
+def _write_data(measurement, field, timestamp, tags):
+ point = {
+ 'measurement': measurement,
+ 'fields': field,
+ 'time': timestamp,
+ 'tags': tags
+ }
+
+ try:
+ client = get_data_db_client()
+
+ logger.debug('Start to write data: %s', point)
+ client.write_points([point])
+ except RuntimeError:
+ logger.debug('dispatcher is not influxdb')
+
+
+def write_data_tasklist(task_id, timestamp, status, error=''):
+ field = {'status': status, 'error': error}
+ tags = {'task_id': task_id}
+ _write_data('tasklist', field, timestamp, tags)
+
+
+def query(query_sql):
+ try:
+ client = get_data_db_client()
+ logger.debug('Start to query: %s', query_sql)
+ return list(client.query(query_sql).get_points())
+ except RuntimeError:
+ logger.error('dispatcher is not influxdb')
+ raise