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 requests
   8 #import ast
   9
  10 # set this to localhost for now
  11 # this is correct for son-emu started outside of a container or as a container with net=host
  12 prometheus_ip = '127.0.0.1'
  13 prometheus_port = '9090'
  14 prometheus_REST_api = 'http://{0}:{1}'.format(prometheus_ip, prometheus_port)
  15
  16
  17 def query_Prometheus(query):
  18     url = prometheus_REST_api + '/' + 'api/v1/query?query=' + query
  19     # logging.info('query:{0}'.format(url))
  20     #req = urllib2.Request(url)
  21     req = requests.get(url)
  22     #ret = urllib2.urlopen(req).read()
  23     #ret = ast.literal_eval(ret)
  24     ret = req.json()
  25     if ret['status'] == 'success':
  26         # logging.info('return:{0}'.format(ret))
  27         try:
  28             ret = ret['data']['result'][0]['value']
  29         except:
  30             ret = None
  31     else:
  32         ret = None
  33     return ret