1 files changed, 73 insertions, 0 deletions
diff --git a/api/utils/influx.py b/api/utils/influx.py
new file mode 100644
index 000000000..9366ed3e9
--- /dev/null
+++ b/api/utils/influx.py
@@ -0,0 +1,73 @@
+##############################################################################
+# 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