def test_report_ready(self):
"""Tests reporting service readyness."""
cwd = os.getcwd()
tmpdir = self.root
os.chdir(tmpdir)
utils.report_ready()
self.assertFalse(os.write.called)
self.assertFalse(os.close.called)
utils.report_ready(100)
os.write.assert_called_with(100, mock.ANY)
os.close.assert_called_with(100)
os.write.reset()
os.close.reset()
with io.open('notification-fd', 'w') as f:
f.write('300')
utils.report_ready()
os.write.assert_called_with(300, mock.ANY)
os.close.assert_called_with(300)
os.write.reset()
os.close.reset()
with io.open('notification-fd', 'w') as f:
f.write('300\n')
utils.report_ready()
os.write.assert_called_with(300, mock.ANY)
os.close.assert_called_with(300)
os.chdir(cwd)
def top(ctx, exit_on_fail, zkid, notification_fd, approot, runtime):
"""Run treadmill init process."""
_LOGGER.info('Initializing Treadmill: %s (%s)', approot, runtime)
tm_env = appenv.AppEnvironment(approot)
stop_on_lost = functools.partial(_stop_on_lost, tm_env)
zkclient = zkutils.connect(context.GLOBAL.zk.url,
idpath=zkid,
listener=stop_on_lost)
while not zkclient.exists(z.SERVER_PRESENCE):
_LOGGER.warning('namespace not ready.')
time.sleep(30)
hostname = sysinfo.hostname()
zk_blackout_path = z.path.blackedout_server(hostname)
zk_server_path = z.path.server(hostname)
zk_presence_path = z.path.server_presence(hostname)
while not zkclient.exists(zk_server_path):
_LOGGER.warning('server %s not defined in the cell.', hostname)
time.sleep(30)
_LOGGER.info('Checking blackout list.')
blacklisted = bool(zkclient.exists(zk_blackout_path))
root_cgroup = ctx.obj['ROOT_CGROUP']
os_args = {}
if os.name == 'posix':
os_args['cgroup_prefix'] = root_cgroup
if not blacklisted:
# Node startup.
_node_start(tm_env, runtime, zkclient, hostname, zk_server_path,
zk_presence_path, os_args)
utils.report_ready(notification_fd)
_init_network()
_start_init1(tm_env)
_LOGGER.info('Ready.')
down_reason = _main_loop(tm_env, zkclient, zk_presence_path)
if down_reason is not None:
_LOGGER.warning('Shutting down: %s', down_reason)
# Blackout the server.
zkutils.ensure_exists(
zkclient,
zk_blackout_path,
acl=[zkclient.make_host_acl(hostname, 'rwcda')],
data=down_reason)
trigger_postmortem = True
else:
# Blacked out manually
trigger_postmortem = bool(zkclient.exists(zk_blackout_path))
if trigger_postmortem:
postmortem.run(approot, root_cgroup)
else:
# Node was already blacked out.
_LOGGER.warning('Shutting down blacked out node.')
# This is the shutdown phase.
# Delete the node
if zk_presence_path:
zkutils.ensure_deleted(zkclient, zk_presence_path)
zkclient.remove_listener(stop_on_lost)
zkclient.stop()
zkclient.close()
_cleanup_network()
# to ternminate all the running apps
_blackout_terminate(tm_env)
if exit_on_fail:
utils.sys_exit(-1)
else:
# Sit forever in a broken state
while True:
time.sleep(1000000)
def top(exit_on_fail, zkid, approot):
"""Run treadmill init process."""
_LOGGER.info('Initializing Treadmill: %s', approot)
tm_env = appenv.AppEnvironment(approot)
zkclient = zkutils.connect(context.GLOBAL.zk.url,
idpath=zkid,
listener=_exit_clear_watchdog_on_lost)
utils.report_ready()
while not zkclient.exists(z.SERVER_PRESENCE):
_LOGGER.warn('namespace not ready.')
time.sleep(30)
hostname = sysinfo.hostname()
zk_blackout_path = z.path.blackedout_server(hostname)
zk_presence_path = z.path.server_presence(hostname)
zk_server_path = z.path.server(hostname)
while not zkclient.exists(zk_server_path):
_LOGGER.warn('server %s not defined in the cell.', hostname)
time.sleep(30)
_LOGGER.info('Checking blackout list.')
blacklisted = bool(zkclient.exists(zk_blackout_path))
if not blacklisted:
# Node startup.
_node_start(tm_env, zkclient, hostname, zk_server_path,
zk_presence_path)
# Cleanup the watchdog directory
tm_env.watchdogs.initialize()
_init_network()
_LOGGER.info('Ready.')
down_reason = _main_loop(tm_env, zkclient, zk_presence_path)
if down_reason is not None:
_LOGGER.warning('Shutting down: %s', down_reason)
# Blackout the server.
zkutils.ensure_exists(
zkclient,
zk_blackout_path,
acl=[zkutils.make_host_acl(hostname, 'rwcda')],
data=down_reason)
else:
# Node was already blacked out.
_LOGGER.warning('Shutting down blacked out node.')
# This is the shutdown phase.
# Delete the node
zkutils.ensure_deleted(zkclient, zk_presence_path)
zkclient.remove_listener(_exit_clear_watchdog_on_lost)
zkclient.stop()
zkclient.close()
_cleanup_network()
# to ternminate all the running apps
_blackout_terminate(tm_env)
if exit_on_fail:
utils.sys_exit(-1)
else:
# Sit forever in a broken state
while True:
time.sleep(1000000)
