def start(self, env):
import params
self.configure(env)
pids = [{
'pidfile': pidfile,
'running': False
} for pidfile in params.segment_pids]
print 'Waiting for', str(len(pids)), 'segments to start.',
while True:
stopped_pids = [pid for pid in pids if not pid['running']]
if len(stopped_pids) == 0:
break
for pid in stopped_pids:
pid['running'] = greenplum.is_running(pid['pidfile'])
time.sleep(1)
sys.stdout.write('.')
print
if all([pid['running'] == True for pid in pids]):
print "All segments on host started."
else:
raise RuntimeError("Not all segments on host started!")
def stop(self, env):
import params
pids = [{
'pidfile': pidfile,
'running': True
} for pidfile in params.segment_pids]
print 'Waiting for', str(len(pids)), 'segments to stop.',
while True:
running_pids = [pid for pid in pids if pid['running']]
if len(running_pids) == 0:
break
for pid in running_pids:
pid['running'] = greenplum.is_running(pid['pidfile'])
time.sleep(1)
sys.stdout.write('.')
print
if all([pid['running'] == False for pid in pids]):
print "All segments on host stopped."
else:
raise RuntimeError("Error stopping all segments!")
def status(self, env):
import params
from glob import glob
# Given an array of globs, loop through each pid file which matches any of the globs and
# verify the pid it references is running.
for pid_path in [pid_path for pid_glob in params.segment_pid_globs for pid_path in glob(path.dirname(pid_glob))]:
if not greenplum.is_running(path.join(pid_path, path.basename(pid_glob))):
raise ComponentIsNotRunning()
def stop(self, env):
import params
if not greenplum.is_running(params.master_pid_path):
print "Greenplum is not running."
return
Execute(
params.source_cmd + "gpstop -a -M smart -v",
user=params.admin_user
)
def status(self, env):
import params
if not greenplum.is_running(params.master_pid_path):
raise ComponentIsNotRunning()
def stop(self, env):
import params
import time
while greenplum.is_running(params.master_pid_path):
sys.stdout.write('.')
time.sleep(1)