def _GetSharedSshArgs(args, user, instance, ip_address, env, keys):
"""Returns list with ssh commands and shared arguments it."""
ssh_args = [env.ssh]
if not args.plain:
ssh_args.extend(ssh.GetDefaultFlags(keys.key_file))
# Allocates a tty if no command was provided and a container was provided.
if args.container and not args.command:
ssh_args.append('-t')
if args.ssh_flag:
for flag in args.ssh_flag:
for flag_part in flag.split(): # We want grouping here
dereferenced_flag = (flag_part.replace('%USER%', user).replace(
'%INSTANCE%', ip_address))
ssh_args.append(dereferenced_flag)
host_key_alias = HostKeyAlias(instance)
ssh_args.extend(
ssh.GetHostKeyArgs(host_key_alias, args.plain,
args.strict_host_key_checking))
ssh_args.append(ssh.UserHost(user, ip_address))
return ssh_args
def Run(self, args):
super(SshGA, self).Run(args)
user, instance_name = ssh_utils.GetUserAndInstance(
args.user_host, self._use_accounts_service, self.http)
instance_ref = instance_flags.SSH_INSTANCE_RESOLVER.ResolveResources(
[instance_name],
compute_scope.ScopeEnum.ZONE,
args.zone,
self.resources,
scope_lister=flags.GetDefaultScopeLister(self.compute_client))[0]
instance = self.GetInstance(instance_ref)
external_ip_address = ssh_utils.GetExternalIPAddress(instance)
ssh_args = [self.env.ssh]
if not args.plain:
ssh_args.extend(ssh.GetDefaultFlags(self.keys.key_file))
# Allocates a tty if no command was provided and a container was provided.
if args.container and not args.command:
ssh_args.append('-t')
if args.ssh_flag:
for flag in args.ssh_flag:
for flag_part in flag.split(): # We want grouping here
dereferenced_flag = (flag_part.replace(
'%USER%', user).replace('%INSTANCE%',
external_ip_address))
ssh_args.append(dereferenced_flag)
host_key_alias = ssh_utils.HostKeyAlias(instance)
ssh_args.extend(
ssh.GetHostKeyArgs(host_key_alias, args.plain,
args.strict_host_key_checking))
ssh_args.append(ssh.UserHost(user, external_ip_address))
if args.ssh_args:
ssh_args.extend(args.ssh_args)
if args.container:
ssh_args.append('--')
ssh_args.append('container_exec')
ssh_args.append(args.container)
# Runs the given command inside the given container if --command was
# specified, otherwise runs /bin/sh.
if args.command:
ssh_args.append(args.command)
else:
ssh_args.append('/bin/sh')
elif args.command:
if not platforms.OperatingSystem.IsWindows():
ssh_args.append('--')
ssh_args.append(args.command)
# Don't use strict error checking for ssh: if the executed command fails, we
# don't want to consider it an error. We do, however, want to propagate its
# return code.
return_code = self.ActuallyRun(
args,
ssh_args,
user,
instance,
instance_ref.project,
external_ip_address,
strict_error_checking=False,
use_account_service=self._use_accounts_service)
if return_code:
# Can't raise an exception because we don't want any "ERROR" message
# printed; the output from `ssh` will be enough.
sys.exit(return_code)
def Run(self, args):
super(CopyFiles, self).Run(args)
# TODO(b/33467618): Change this implementation to use ssh.SCPCommand and
# ssh.FileReference objects.
file_specs = []
# Parses the positional arguments.
for arg in args.sources + [args.destination]:
if ssh.IsScpLocalPath(arg):
file_specs.append(LocalFile(arg))
else:
user_host, file_path = arg.split(':', 1)
user_host_parts = user_host.split('@', 1)
if len(user_host_parts) == 1:
user = ssh.GetDefaultSshUsername(warn_on_account_user=True)
source_instance = user_host_parts[0]
else:
user, source_instance = user_host_parts
file_specs.append(RemoteFile(user, source_instance, file_path))
log.debug('Normalized arguments: %s', file_specs)
# Validates the positional arguments.
# TODO(user): Look into relaxing these conditions.
sources = file_specs[:-1]
destination = file_specs[-1]
if isinstance(destination, LocalFile):
for source in sources:
if isinstance(source, LocalFile):
raise exceptions.ToolException(
'All sources must be remote files when the destination '
'is local.')
else: # RemoteFile
for source in sources:
if isinstance(source, RemoteFile):
raise exceptions.ToolException(
'All sources must be local files when the destination '
'is remote.')
destination_instances = set()
for file_spec in file_specs:
if isinstance(file_spec, RemoteFile):
destination_instances.add(file_spec.instance_name)
if len(destination_instances) > 1:
raise exceptions.ToolException(
'Copies must involve exactly one virtual machine instance; '
'your invocation refers to [{0}] instances: [{1}].'.format(
len(destination_instances),
', '.join(sorted(destination_instances))))
source_instance_ref = instance_flags.SSH_INSTANCE_RESOLVER.ResolveResources(
[source_instance],
compute_scope.ScopeEnum.ZONE,
args.zone,
self.resources,
scope_lister=flags.GetDefaultScopeLister(self.compute_client,
self.project))[0]
source_instance = self.GetInstance(source_instance_ref)
external_ip_address = ssh_utils.GetExternalIPAddress(source_instance)
# Builds the scp command.
scp_args = [self.env.scp]
if not args.plain:
scp_args.extend(ssh.GetDefaultFlags(self.keys.key_file))
host_key_alias = self.HostKeyAlias(source_instance)
scp_args.extend(
ssh.GetHostKeyArgs(host_key_alias, args.plain,
args.strict_host_key_checking))
scp_args.append('-r')
for file_spec in file_specs:
if isinstance(file_spec, LocalFile):
scp_args.append(file_spec.file_path)
else:
scp_args.append('{0}:{1}'.format(
ssh.UserHost(file_spec.user, external_ip_address),
file_spec.file_path))
self.ActuallyRun(args, scp_args, user, source_instance,
source_instance_ref.project)
