src/emuvim/cli/prometheus.py

   1 """
   2 Prometheus API helper functions
   3 (c) 2016 by Steven Van Rossem <steven.vanrossem@intec.ugent.be>
   4 """
   5
   6 import urllib2
   7 import ast
   8
   9 prometheus_ip = '0.0.0.0'
  10 prometheus_port = '9090'
  11 prometheus_REST_api = 'http://{0}:{1}'.format(prometheus_ip, prometheus_port)
  12
  13
  14 def query_Prometheus(query):
  15     url = prometheus_REST_api + '/' + 'api/v1/query?query=' + query
  16     # logging.info('query:{0}'.format(url))
  17     req = urllib2.Request(url)
  18     ret = urllib2.urlopen(req).read()
  19     ret = ast.literal_eval(ret)
  20     if ret['status'] == 'success':
  21         # logging.info('return:{0}'.format(ret))
  22         try:
  23             ret = ret['data']['result'][0]['value']
  24         except:
  25             ret = None
  26     else:
  27         ret = None
  28     return ret