NRI3

gistfile1.txt

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import requests

HOST = "https://api.newrelic.com/v2/"
HEADER = {'X-Api-Key': os.environ.get('API_KEY')}
NAME = os.environ.get('NAME')


class Generic(object):
    """ Generic container for general objects """
    def __init__(self, *args, **kwargs):
        for k, v in kwargs.iteritems():
            setattr(self, k, v)


def req_servers(instances):
    """ Get APP servers MAX summary """
    out = requests.get('{}{}'.format(HOST, 'servers.json'),
                       verify=False, headers=HEADER,
                       params='filter[ids]={}'.format(','.join(instances)))
    servers = [sum_dict.get('summary')
               for sum_dict in out.json().get('servers')
               if 'summary' in sum_dict]

    return ['{}: {}'.format(i[:3], max(map(lambda x: x.get(i), servers)))
            for i in ['memory', 'cpu', 'fullest_disk']]


def request_app():
    """ Request summary of application """
    # Used summaries
    allowed = ['error_rate', 'response_time', 'instance_count',
               'throughput', 'apdex_score']
    out = requests.get('{}{}'.format(HOST, 'applications.json'),
                       verify=False, headers=HEADER)
    for apps in out.json().get('applications'):
        if apps.get('name') == NAME:
            break
    application = Generic(**apps)
    apps = ['{}: {}'.format(key[:3], value)
            for key, value in application.application_summary.iteritems()
            if key in allowed]
    server_list = map(lambda x: str(x), application.links.get('servers'))
    print(' | '.join(apps + req_servers(server_list)))


def main():
    request_app()

if __name__ == '__main__':
    main()