def condition():
sys.stderr.write("Waiting for SQLServer to boot...\n")
booted = False
for _ in xrange(10):
try:
pyodbc.connect(conn, timeout=30)
booted = True
except pyodbc.Error as e:
sys.stderr.write(str(e) + '\n')
time.sleep(3)
if not booted:
raise RetryError("SQLServer failed to boot!")
sys.stderr.write("SQLServer boot complete.\n")
def condition():
sys.stderr.write("Waiting for ZK to boot...\n")
booted = False
for _ in xrange(3):
try:
out = ZookeeperCheck._send_command('ruok', HOST, PORT, 500)
out.seek(0)
if out.readline() != 'imok':
raise ZKConnectionFailure()
booted = True
except ZKConnectionFailure:
time.sleep(1)
if not booted:
raise RetryError("Zookeeper failed to boot!")
sys.stderr.write("ZK boot complete.\n")
def condition():
sys.stderr.write("Waiting for CoreDNS to boot...")
booted = False
for _ in xrange(10):
try:
res = requests.get(URL)
# create some metrics by using dig
subprocess.check_call(DIG_ARGS, env=env)
res.raise_for_status()
booted = True
break
except Exception:
time.sleep(1)
if not booted:
raise RetryError("CoreDNS failed to boot!")
sys.stderr.write("CoreDNS boot complete.\n")
def condition_non_tls():
sys.stderr.write("Waiting for ZK to boot...\n")
booted = False
dummy_instance = {'host': HOST, 'port': PORT, 'timeout': 500}
for _ in range(10):
try:
out = ZookeeperCheck('zk', {}, [dummy_instance])._send_command('ruok')
out.seek(0)
if out.readline() != 'imok':
raise ZKConnectionFailure()
booted = True
break
except ZKConnectionFailure:
time.sleep(1)
if not booted:
raise RetryError("Zookeeper failed to boot!")
sys.stderr.write("ZK boot complete.\n")
def __call__(self):
"""Wait for the slave to connect to the master"""
master = redis.Redis(**self.master_data)
replica = redis.Redis(**self.replica_data)
for _ in range(self.attempts):
try:
if (master.ping() and replica.ping()
and master.info().get('connected_slaves') and
replica.info().get('master_link_status') != 'down'):
break
except redis.ConnectionError:
pass
time.sleep(self.wait)
else:
raise RetryError('Redis cluster boot timed out!\n'
'Master: {}\n'
'Replica: {}'.format(master, replica))
