def Run(self, args): super(SshGA, self).Run(args) parts = args.user_host.split('@') if len(parts) == 1: if self._use_accounts_service: # Using Account Service. user = gaia_utils.GetDefaultAccountName(self.http) else: # Uploading keys through metadata. user = ssh_utils.GetDefaultSshUsername( warn_on_account_user=True) instance = parts[0] elif len(parts) == 2: user, instance = parts else: raise exceptions.ToolException( 'Expected argument of the form [USER@]INSTANCE; received [{0}].' .format(args.user_host)) instance_ref = instance_flags.SSH_INSTANCE_RESOLVER.ResolveResources( [instance], compute_scope.ScopeEnum.ZONE, args.zone, self.resources, scope_lister=flags.GetDefaultScopeLister(self.compute_client, self.project))[0] instance = self.GetInstance(instance_ref) external_ip_address = ssh_utils.GetExternalIPAddress(instance) ssh_args = [self.ssh_executable] if not args.plain: ssh_args.extend(self.GetDefaultFlags()) # 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) ssh_args.extend(self.GetHostKeyArgs(args, instance)) ssh_args.append(ssh_utils.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, 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(Scp, self).Run(args) file_specs = [] # Parses the positional arguments. for arg in args.sources + [args.destination]: if ssh_utils.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_utils.GetDefaultSshUsername(warn_on_account_user=True) instance = user_host_parts[0] else: user, instance = user_host_parts file_specs.append(RemoteFile(user, instance, file_path)) logging.debug('Normalized arguments: %s', file_specs) # Validates the positional arguments. # TODO(b/21515495): 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.') instances = set() for file_spec in file_specs: if isinstance(file_spec, RemoteFile): instances.add(file_spec.instance_name) if len(instances) > 1: raise exceptions.ToolException( 'Copies must involve exactly one virtual machine instance; ' 'your invocation refers to [{0}] instances: [{1}].'.format( len(instances), ', '.join(sorted(instances)))) instance_ref = self.CreateZonalReference(instances.pop(), args.zone) instance = self.GetInstance(instance_ref) external_ip_address = ssh_utils.GetExternalIPAddress(instance) # Builds the scp command. scp_args = [self.scp_executable] if not args.plain: scp_args.extend(self.GetDefaultFlags()) # apply args if args.quiet: scp_args.append('-q') if args.port: scp_args.extend(['-P', args.port]) if args.recurse: scp_args.append('-r') if args.compress: scp_args.append('-C') if args.scp_flag: scp_args.extend(args.scp_flag) 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_utils.UserHost(file_spec.user, external_ip_address), file_spec.file_path)) self.ActuallyRun(args, scp_args, user, instance)
def Run(self, args): super(CopyFiles, self).Run(args) file_specs = [] # Parses the positional arguments. for arg in args.sources + [args.destination]: if ssh_utils.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_utils.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], flags.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.scp_executable] if not args.plain: scp_args.extend(self.GetDefaultFlags()) scp_args.extend(self.GetHostKeyArgs(args, source_instance)) 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_utils.UserHost(file_spec.user, external_ip_address), file_spec.file_path)) self.ActuallyRun(args, scp_args, user, source_instance, source_instance_ref.project)