browbeat/lib/Grafana.py
Sindhur Malleni 8ec0d9b3a5 Adding lib/Grafana
Refactoring some code to make use of the library

+ Splitting into methods
+ Making methods independent with akrzos suggestions

Change-Id: I7a18d4c506a5dcd28d96872226e5001d4603cf48
2016-03-16 03:06:14 +01:00

50 lines
2.7 KiB
Python

import logging
import subprocess
class Grafana:
def __init__(self, config):
self.logger = logging.getLogger('browbeat.Grafana')
self.config = config
self.cloud_name = self.config['grafana']['cloud_name']
self.hosts_file = self.config['ansible']['hosts']
self.grafana_ip = self.config['grafana']['grafana_ip']
self.grafana_port = self.config['grafana']['grafana_port']
self.playbook = self.config['ansible']['grafana_snapshot']
def get_extra_vars(self, from_ts, to_ts, result_dir, test_name):
extra_vars = 'grafana_ip={} '.format(self.config['grafana']['grafana_ip'])
extra_vars += 'grafana_port={} '.format(self.config['grafana']['grafana_port'])
extra_vars += 'grafana_api_key={} '.format(self.config['grafana']['snapshot']['grafana_api_key'])
extra_vars += 'from={} '.format(from_ts)
extra_vars += 'to={} '.format(to_ts)
extra_vars += 'results_dir={}/{} '.format(result_dir, test_name)
extra_vars += 'var_cloud={} '.format(self.cloud_name)
if self.config['grafana']['snapshot']['snapshot_compute']:
extra_vars += 'snapshot_compute=true '
return extra_vars
def print_dashboard_url(self, from_ts, to_ts, test_name):
if 'grafana' in self.config and self.config['grafana']['enabled']:
url = 'http://{}:{}/dashboard/db/'.format(self.grafana_ip, self.grafana_port)
for dashboard in self.config['grafana']['dashboards']:
full_url = '{}{}?from={}&to={}&var-Cloud={}'.format(url, dashboard, from_ts, to_ts,
self.cloud_name)
self.logger.info('{} - Grafana URL: {}'.format(test_name, full_url))
def log_snapshot_playbook_cmd(self, from_ts, to_ts, result_dir, test_name):
if 'grafana' in self.config and self.config['grafana']['enabled']:
extra_vars = self.get_extra_vars(from_ts, to_ts, result_dir, test_name)
snapshot_cmd = 'ansible-playbook -i {} {} -e "{}"'.format(self.hosts_file, self.playbook,
extra_vars)
self.logger.info('Snapshot command: {}'.format(snapshot_cmd))
def run_playbook(self, from_ts, to_ts, result_dir, test_name):
if 'grafana' in self.config and self.config['grafana']['enabled']:
extra_vars = self.get_extra_vars(from_ts, to_ts, result_dir, test_name)
subprocess_cmd = ['ansible-playbook', '-i', self.hosts_file, self.playbook, '-e',
'{}'.format(extra_vars)]
snapshot_log = open('{}/snapshot.log'.format(result_dir), 'a+')
self.logger.info('Running ansible to create snapshots for: {}'.format(test_name))
subprocess.Popen(subprocess_cmd, stdout=snapshot_log, stderr=subprocess.STDOUT)