def WaitUntilSSHable(self, user, args, instance):
"""Blocks until SSHing to the given host succeeds."""
external_ip_address = GetExternalIPAddress(instance)
ssh_args_for_polling = [self.ssh_executable]
ssh_args_for_polling.extend(self.GetDefaultFlags())
ssh_args_for_polling.extend(self.GetHostKeyArgs(args, instance))
ssh_args_for_polling.append(UserHost(user, external_ip_address))
ssh_args_for_polling.append('true')
ssh_args_for_polling = self.LocalizeCommand(ssh_args_for_polling)
start_sec = time_utils.CurrentTimeSec()
while True:
logging.debug('polling instance for SSHability')
retval = subprocess.call(ssh_args_for_polling)
if retval == 0:
break
if (time_utils.CurrentTimeSec() - start_sec >
_SSH_KEY_PROPAGATION_TIMEOUT_SEC):
raise exceptions.ToolException(
'Could not SSH to the instance. It is possible that '
'your SSH key has not propagated to the instance yet. '
'Try running this command again. If you still cannot connect, '
'verify that the firewall and instance are set to accept '
'ssh traffic.')
time_utils.Sleep(5)
def WaitUntilSSHable(self, user, args, instance):
"""Blocks until SSHing to the given host succeeds."""
external_ip_address = GetExternalIPAddress(instance)
ssh_args_for_polling = [self.ssh_executable]
ssh_args_for_polling.extend(self.GetDefaultFlags())
ssh_args_for_polling.extend(self.GetHostKeyArgs(args, instance))
ssh_args_for_polling.append(UserHost(user, external_ip_address))
ssh_args_for_polling.append('true')
ssh_args_for_polling = self.LocalizeCommand(ssh_args_for_polling)
start_sec = time_utils.CurrentTimeSec()
while True:
logging.debug('polling instance for SSHability')
retval = subprocess.call(ssh_args_for_polling)
if retval == 0:
break
if (time_utils.CurrentTimeSec() - start_sec >
_SSH_KEY_PROPAGATION_TIMEOUT_SEC):
raise exceptions.ToolException(
'Could not SSH to the instance. It is possible that '
'your SSH key has not propagated to the instance yet. '
'Try running this command again. If you still cannot connect, '
'verify that the firewall and instance are set to accept '
'ssh traffic.')
time_utils.Sleep(5)
def Execute(args):
"""Wraps an invocation of the docker client with the specified CLI arguments.
Args:
args: The list of command-line arguments to docker.
Returns:
The exit code from Docker.
"""
return subprocess.call(
['docker'] + args, stdin=sys.stdin, stdout=sys.stdout, stderr=sys.stderr)
def Execute(args):
"""Wraps an invocation of the docker client with the specified CLI arguments.
Args:
args: The list of command-line arguments to docker.
Returns:
The exit code from Docker.
"""
return subprocess.call(
['docker'] + args, stdin=sys.stdin, stdout=sys.stdout, stderr=sys.stderr)
