Files
charm-percona-cluster/tests/basic_deployment.py
2015-03-09 10:58:07 -03:00

127 lines
4.1 KiB
Python

import amulet
import os
import telnetlib
import unittest
import yaml
class BasicDeployment(unittest.TestCase):
def __init__(self, vip=None, units=1):
self.units = units
self.master_unit = None
self.vip = None
if vip:
self.vip = vip
elif 'VIP' in os.environ:
self.vip = os.environ.get('VIP')
elif os.path.isfile('local.yaml'):
with open('local.yaml', 'rb') as f:
self.cfg = yaml.safe_load(f.read())
self.vip = self.cfg.get('vip')
else:
amulet.raise_status(amulet.SKIP,
("please set the vip in local.yaml "
"to run this test suite"))
def run(self):
# The number of seconds to wait for the environment to setup.
seconds = 1200
self.d = amulet.Deployment(series="trusty")
self.d.add('percona-cluster', units=self.units)
self.d.add('hacluster')
self.d.relate('percona-cluster:ha', 'hacluster:ha')
cfg_percona = {'sst-password': 'ubuntu',
'root-password': 't00r',
'dataset-size': '128M',
'vip': self.vip}
cfg_ha = {'debug': True,
'corosync_mcastaddr': '226.94.1.4',
'corosync_key': ('xZP7GDWV0e8Qs0GxWThXirNNYlScgi3sRTdZk/IXKD'
'qkNFcwdCWfRQnqrHU/6mb6sz6OIoZzX2MtfMQIDcXu'
'PqQyvKuv7YbRyGHmQwAWDUA4ed759VWAO39kHkfWp9'
'y5RRk/wcHakTcWYMwm70upDGJEP00YT3xem3NQy27A'
'C1w=')}
self.d.configure('percona-cluster', cfg_percona)
self.d.configure('hacluster', cfg_ha)
try:
self.d.setup(timeout=seconds)
self.d.sentry.wait(seconds)
except amulet.helpers.TimeoutError:
message = 'The environment did not setup in %d seconds.' % seconds
amulet.raise_status(amulet.SKIP, msg=message)
except:
raise
self.master_unit = self.find_master()
assert self.master_unit is not None, 'percona-cluster vip not found'
output, code = self.master_unit.run('sudo crm_verify --live-check')
assert code == 0, "'crm_verify --live-check' failed"
resources = ['res_mysql_vip']
resources += ['res_mysql_monitor:%d' % i for i in range(self.units)]
assert sorted(self.get_pcmkr_resources()) == sorted(resources)
for i in range(self.units):
uid = 'percona-cluster/%d' % i
unit = self.d.sentry.unit[uid]
assert self.is_mysqld_running(unit), 'mysql not running: %s' % uid
def find_master(self):
for unit_id, unit in self.d.sentry.unit.items():
if not unit_id.startswith('percona-cluster/'):
continue
# is the vip running here?
output, code = unit.run('sudo ip a | grep %s' % self.vip)
print(unit_id)
print(output)
if code == 0:
print('vip(%s) running in %s' % (self.vip, unit_id))
return unit
def get_pcmkr_resources(self, unit=None):
if unit:
u = unit
else:
u = self.master_unit
output, code = u.run('sudo crm_resource -l')
assert code == 0, 'could not get "crm resource list"'
return output.split('\n')
def is_mysqld_running(self, unit=None):
if unit:
u = unit
else:
u = self.master_unit
output, code = u.run('pidof mysqld')
if code != 0:
return False
return self.is_port_open(u, '3306')
def is_port_open(self, unit=None, port='3306', address=None):
if unit:
addr = unit.info['public-address']
elif address:
addr = address
else:
raise Exception('Please provide a unit or address')
try:
telnetlib.Telnet(addr, port)
return True
except TimeoutError: # noqa this exception only available in py3
return False