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@ -65,18 +65,60 @@ class Connection(ConnectionBase):
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self._connected = True
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return self
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def close(self):
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# If we have a persistent ssh connection (ControlPersist), we can ask it
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# to stop listening. Otherwise, there's nothing to do here.
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@staticmethod
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def _sshpass_available():
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global SSHPASS_AVAILABLE
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# TODO: reenable once winrm issues are fixed
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# temporarily disabled as we are forced to currently close connections after every task because of winrm
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# if self._connected and self._persistent:
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# cmd = self._build_command('ssh', '-O', 'stop', self.host)
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# p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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# stdout, stderr = p.communicate()
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# We test once if sshpass is available, and remember the result. It
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# would be nice to use distutils.spawn.find_executable for this, but
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# distutils isn't always available; shutils.which() is Python3-only.
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self._connected = False
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if SSHPASS_AVAILABLE is None:
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try:
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p = subprocess.Popen(["sshpass"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
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p.communicate()
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SSHPASS_AVAILABLE = True
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except OSError:
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SSHPASS_AVAILABLE = False
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return SSHPASS_AVAILABLE
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@staticmethod
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def _persistence_controls(command):
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'''
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Takes a command array and scans it for ControlPersist and ControlPath
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settings and returns two booleans indicating whether either was found.
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This could be smarter, e.g. returning false if ControlPersist is 'no',
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but for now we do it simple way.
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'''
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controlpersist = False
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controlpath = False
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for arg in command:
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if 'controlpersist' in arg.lower():
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controlpersist = True
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elif 'controlpath' in arg.lower():
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controlpath = True
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return controlpersist, controlpath
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@staticmethod
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def _split_args(argstring):
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"""
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Takes a string like '-o Foo=1 -o Bar="foo bar"' and returns a
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list ['-o', 'Foo=1', '-o', 'Bar=foo bar'] that can be added to
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the argument list. The list will not contain any empty elements.
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"""
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return [x.strip() for x in shlex.split(argstring) if x.strip()]
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def _add_args(self, explanation, args):
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"""
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Adds the given args to self._command and displays a caller-supplied
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explanation of why they were added.
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"""
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self._command += args
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self._display.vvvvv('SSH: ' + explanation + ': (%s)' % ')('.join(args), host=self._play_context.remote_addr)
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def _build_command(self, binary, *other_args):
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'''
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@ -124,42 +166,42 @@ class Connection(ConnectionBase):
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if self.ssh_args:
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args = self._split_args(self.ssh_args)
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self.add_args("inventory set ansible_ssh_args", args)
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self._add_args("inventory set ansible_ssh_args", args)
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elif C.ANSIBLE_SSH_ARGS:
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args = self._split_args(C.ANSIBLE_SSH_ARGS)
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self.add_args("ansible.cfg set ssh_args", args)
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self._add_args("ansible.cfg set ssh_args", args)
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else:
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args = (
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"-o", "ControlMaster=auto",
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"-o", "ControlPersist=60s"
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)
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self.add_args("default arguments", args)
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self._add_args("default arguments", args)
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# Now we add various arguments controlled by configuration file settings
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# (e.g. host_key_checking) or inventory variables (ansible_ssh_port) or
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# a combination thereof.
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if not C.HOST_KEY_CHECKING:
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self.add_args(
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self._add_args(
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"ANSIBLE_HOST_KEY_CHECKING/host_key_checking disabled",
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("-o", "StrictHostKeyChecking=no")
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)
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if self._play_context.port is not None:
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self.add_args(
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self._add_args(
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"ANSIBLE_REMOTE_PORT/remote_port/ansible_ssh_port set",
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("-o", "Port={0}".format(self._play_context.port))
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)
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key = self._play_context.private_key_file
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if key:
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self.add_args(
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self._add_args(
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"ANSIBLE_PRIVATE_KEY_FILE/private_key_file/ansible_ssh_private_key_file set",
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("-o", "IdentityFile=\"{0}\"".format(os.path.expanduser(key)))
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)
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if not self._play_context.password:
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self.add_args(
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self._add_args(
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"ansible_password/ansible_ssh_pass not set", (
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"-o", "KbdInteractiveAuthentication=no",
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"-o", "PreferredAuthentications=gssapi-with-mic,gssapi-keyex,hostbased,publickey",
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@ -169,12 +211,12 @@ class Connection(ConnectionBase):
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user = self._play_context.remote_user
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if user and user != pwd.getpwuid(os.geteuid())[0]:
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self.add_args(
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self._add_args(
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"ANSIBLE_REMOTE_USER/remote_user/ansible_ssh_user/user/-u set",
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("-o", "User={0}".format(self._play_context.remote_user))
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)
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self.add_args(
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self._add_args(
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"ANSIBLE_TIMEOUT/timeout set",
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("-o", "ConnectTimeout={0}".format(self._play_context.timeout))
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)
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@ -185,10 +227,10 @@ class Connection(ConnectionBase):
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if self._play_context.ssh_extra_args:
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args = self._split_args(self._play_context.ssh_extra_args)
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self.add_args("command-line added --ssh-extra-args", args)
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self._add_args("command-line added --ssh-extra-args", args)
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elif self.ssh_extra_args:
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args = self._split_args(self.ssh_extra_args)
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self.add_args("inventory added ansible_ssh_extra_args", args)
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self._add_args("inventory added ansible_ssh_extra_args", args)
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# Check if ControlPersist is enabled (either by default, or using
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# ssh_args or ssh_extra_args) and add a ControlPath if one hasn't
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@ -210,7 +252,7 @@ class Connection(ConnectionBase):
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args = ("-o", "ControlPath={0}".format(
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C.ANSIBLE_SSH_CONTROL_PATH % dict(directory=cpdir))
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)
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self.add_args("found only ControlPersist; added ControlPath", args)
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self._add_args("found only ControlPersist; added ControlPath", args)
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## Finally, we add any caller-supplied extras.
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@ -219,118 +261,78 @@ class Connection(ConnectionBase):
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return self._command
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def exec_command(self, *args, **kwargs):
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"""
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Wrapper around _exec_command to retry in the case of an ssh failure
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Will retry if:
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* an exception is caught
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* ssh returns 255
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Will not retry if
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* remaining_tries is <2
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* retries limit reached
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"""
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remaining_tries = int(C.ANSIBLE_SSH_RETRIES) + 1
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cmd_summary = "%s..." % args[0]
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for attempt in xrange(remaining_tries):
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try:
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return_tuple = self._exec_command(*args, **kwargs)
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# 0 = success
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# 1-254 = remote command return code
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# 255 = failure from the ssh command itself
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if return_tuple[0] != 255 or attempt == (remaining_tries - 1):
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break
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else:
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raise AnsibleConnectionFailure("Failed to connect to the host via ssh.")
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except (AnsibleConnectionFailure, Exception) as e:
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if attempt == remaining_tries - 1:
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raise e
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else:
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pause = 2 ** attempt - 1
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if pause > 30:
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pause = 30
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if isinstance(e, AnsibleConnectionFailure):
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msg = "ssh_retry: attempt: %d, ssh return code is 255. cmd (%s), pausing for %d seconds" % (attempt, cmd_summary, pause)
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else:
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msg = "ssh_retry: attempt: %d, caught exception(%s) from cmd (%s), pausing for %d seconds" % (attempt, e, cmd_summary, pause)
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self._display.vv(msg)
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time.sleep(pause)
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continue
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return return_tuple
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def _exec_command(self, cmd, in_data=None, sudoable=True):
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''' run a command on the remote host '''
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super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
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self._display.vvv("ESTABLISH SSH CONNECTION FOR USER: {0}".format(self._play_context.remote_user), host=self._play_context.remote_addr)
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# we can only use tty when we are not pipelining the modules. piping
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# data into /usr/bin/python inside a tty automatically invokes the
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# python interactive-mode but the modules are not compatible with the
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# interactive-mode ("unexpected indent" mainly because of empty lines)
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if in_data:
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cmd = self._build_command('ssh', self.host, cmd)
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else:
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cmd = self._build_command('ssh', '-tt', self.host, cmd)
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(returncode, stdout, stderr) = self._run(cmd, in_data, sudoable=sudoable)
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return (returncode, stdout, stderr)
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def put_file(self, in_path, out_path):
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''' transfer a file from local to remote '''
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super(Connection, self).put_file(in_path, out_path)
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def _send_initial_data(self, fh, in_data):
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'''
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Writes initial data to the stdin filehandle of the subprocess and closes
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it. (The handle must be closed; otherwise, for example, "sftp -b -" will
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just hang forever waiting for more commands.)
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'''
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self._display.vvv("PUT {0} TO {1}".format(in_path, out_path), host=self.host)
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if not os.path.exists(in_path):
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raise AnsibleFileNotFound("file or module does not exist: {0}".format(in_path))
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self._display.debug('Sending initial data')
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# scp and sftp require square brackets for IPv6 addresses, but
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# accept them for hostnames and IPv4 addresses too.
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host = '[%s]' % self.host
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try:
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fh.write(in_data)
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fh.close()
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except (OSError, IOError):
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raise AnsibleConnectionFailure('SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh')
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if C.DEFAULT_SCP_IF_SSH:
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cmd = self._build_command('scp', in_path, '{0}:{1}'.format(host, pipes.quote(out_path)))
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in_data = None
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else:
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cmd = self._build_command('sftp', host)
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in_data = "put {0} {1}\n".format(pipes.quote(in_path), pipes.quote(out_path))
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self._display.debug('Sent initial data (%d bytes)' % len(in_data))
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(returncode, stdout, stderr) = self._run(cmd, in_data)
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# Used by _run() to kill processes on failures
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@staticmethod
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def _terminate_process(p):
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""" Terminate a process, ignoring errors """
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try:
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p.terminate()
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except (OSError, IOError):
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pass
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if returncode != 0:
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raise AnsibleError("failed to transfer file to {0}:\n{1}\n{2}".format(out_path, stdout, stderr))
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# This is separate from _run() because we need to do the same thing for stdout
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# and stderr.
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def _examine_output(self, source, state, chunk, sudoable):
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'''
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Takes a string, extracts complete lines from it, tests to see if they
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are a prompt, error message, etc., and sets appropriate flags in self.
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Prompt and success lines are removed.
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def fetch_file(self, in_path, out_path):
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''' fetch a file from remote to local '''
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Returns the processed (i.e. possibly-edited) output and the unprocessed
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remainder (to be processed with the next chunk) as strings.
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'''
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super(Connection, self).fetch_file(in_path, out_path)
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output = []
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for l in chunk.splitlines(True):
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suppress_output = False
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self._display.vvv("FETCH {0} TO {1}".format(in_path, out_path), host=self.host)
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# self._display.debug("Examining line (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
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if self._play_context.prompt and self.check_password_prompt(l):
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self._display.debug("become_prompt: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
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self._flags['become_prompt'] = True
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suppress_output = True
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elif self._play_context.success_key and self.check_become_success(l):
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self._display.debug("become_success: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
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self._flags['become_success'] = True
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suppress_output = True
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elif sudoable and self.check_incorrect_password(l):
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|
|
self._display.debug("become_error: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
self._flags['become_error'] = True
|
|
|
|
|
elif sudoable and self.check_missing_password(l):
|
|
|
|
|
self._display.debug("become_nopasswd_error: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
self._flags['become_nopasswd_error'] = True
|
|
|
|
|
|
|
|
|
|
# scp and sftp require square brackets for IPv6 addresses, but
|
|
|
|
|
# accept them for hostnames and IPv4 addresses too.
|
|
|
|
|
host = '[%s]' % self.host
|
|
|
|
|
if not suppress_output:
|
|
|
|
|
output.append(l)
|
|
|
|
|
|
|
|
|
|
if C.DEFAULT_SCP_IF_SSH:
|
|
|
|
|
cmd = self._build_command('scp', '{0}:{1}'.format(host, pipes.quote(in_path)), out_path)
|
|
|
|
|
in_data = None
|
|
|
|
|
else:
|
|
|
|
|
cmd = self._build_command('sftp', host)
|
|
|
|
|
in_data = "get {0} {1}\n".format(pipes.quote(in_path), pipes.quote(out_path))
|
|
|
|
|
# The chunk we read was most likely a series of complete lines, but just
|
|
|
|
|
# in case the last line was incomplete (and not a prompt, which we would
|
|
|
|
|
# have removed from the output), we retain it to be processed with the
|
|
|
|
|
# next chunk.
|
|
|
|
|
|
|
|
|
|
(returncode, stdout, stderr) = self._run(cmd, in_data)
|
|
|
|
|
remainder = ''
|
|
|
|
|
if output and not output[-1].endswith('\n'):
|
|
|
|
|
remainder = output[-1]
|
|
|
|
|
output = output[:-1]
|
|
|
|
|
|
|
|
|
|
if returncode != 0:
|
|
|
|
|
raise AnsibleError("failed to transfer file from {0}:\n{1}\n{2}".format(in_path, stdout, stderr))
|
|
|
|
|
return ''.join(output), remainder
|
|
|
|
|
|
|
|
|
|
def _run(self, cmd, in_data, sudoable=True):
|
|
|
|
|
'''
|
|
|
|
@ -556,127 +558,131 @@ class Connection(ConnectionBase):
|
|
|
|
|
|
|
|
|
|
return (p.returncode, stdout, stderr)
|
|
|
|
|
|
|
|
|
|
def _send_initial_data(self, fh, in_data):
|
|
|
|
|
'''
|
|
|
|
|
Writes initial data to the stdin filehandle of the subprocess and closes
|
|
|
|
|
it. (The handle must be closed; otherwise, for example, "sftp -b -" will
|
|
|
|
|
just hang forever waiting for more commands.)
|
|
|
|
|
'''
|
|
|
|
|
def _exec_command(self, cmd, in_data=None, sudoable=True):
|
|
|
|
|
''' run a command on the remote host '''
|
|
|
|
|
|
|
|
|
|
self._display.debug('Sending initial data')
|
|
|
|
|
super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
|
|
|
|
|
|
|
|
|
|
try:
|
|
|
|
|
fh.write(in_data)
|
|
|
|
|
fh.close()
|
|
|
|
|
except (OSError, IOError):
|
|
|
|
|
raise AnsibleConnectionFailure('SSH Error: data could not be sent to the remote host. Make sure this host can be reached over ssh')
|
|
|
|
|
self._display.vvv("ESTABLISH SSH CONNECTION FOR USER: {0}".format(self._play_context.remote_user), host=self._play_context.remote_addr)
|
|
|
|
|
|
|
|
|
|
self._display.debug('Sent initial data (%d bytes)' % len(in_data))
|
|
|
|
|
# we can only use tty when we are not pipelining the modules. piping
|
|
|
|
|
# data into /usr/bin/python inside a tty automatically invokes the
|
|
|
|
|
# python interactive-mode but the modules are not compatible with the
|
|
|
|
|
# interactive-mode ("unexpected indent" mainly because of empty lines)
|
|
|
|
|
|
|
|
|
|
# This is a separate method because we need to do the same thing for stdout
|
|
|
|
|
# and stderr.
|
|
|
|
|
if in_data:
|
|
|
|
|
cmd = self._build_command('ssh', self.host, cmd)
|
|
|
|
|
else:
|
|
|
|
|
cmd = self._build_command('ssh', '-tt', self.host, cmd)
|
|
|
|
|
|
|
|
|
|
def _examine_output(self, source, state, chunk, sudoable):
|
|
|
|
|
'''
|
|
|
|
|
Takes a string, extracts complete lines from it, tests to see if they
|
|
|
|
|
are a prompt, error message, etc., and sets appropriate flags in self.
|
|
|
|
|
Prompt and success lines are removed.
|
|
|
|
|
(returncode, stdout, stderr) = self._run(cmd, in_data, sudoable=sudoable)
|
|
|
|
|
|
|
|
|
|
Returns the processed (i.e. possibly-edited) output and the unprocessed
|
|
|
|
|
remainder (to be processed with the next chunk) as strings.
|
|
|
|
|
'''
|
|
|
|
|
return (returncode, stdout, stderr)
|
|
|
|
|
|
|
|
|
|
output = []
|
|
|
|
|
for l in chunk.splitlines(True):
|
|
|
|
|
suppress_output = False
|
|
|
|
|
#
|
|
|
|
|
# Main public methods
|
|
|
|
|
#
|
|
|
|
|
def exec_command(self, *args, **kwargs):
|
|
|
|
|
"""
|
|
|
|
|
Wrapper around _exec_command to retry in the case of an ssh failure
|
|
|
|
|
|
|
|
|
|
# self._display.debug("Examining line (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
if self._play_context.prompt and self.check_password_prompt(l):
|
|
|
|
|
self._display.debug("become_prompt: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
self._flags['become_prompt'] = True
|
|
|
|
|
suppress_output = True
|
|
|
|
|
elif self._play_context.success_key and self.check_become_success(l):
|
|
|
|
|
self._display.debug("become_success: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
self._flags['become_success'] = True
|
|
|
|
|
suppress_output = True
|
|
|
|
|
elif sudoable and self.check_incorrect_password(l):
|
|
|
|
|
self._display.debug("become_error: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
self._flags['become_error'] = True
|
|
|
|
|
elif sudoable and self.check_missing_password(l):
|
|
|
|
|
self._display.debug("become_nopasswd_error: (source=%s, state=%s): '%s'" % (source, state, l.rstrip('\r\n')))
|
|
|
|
|
self._flags['become_nopasswd_error'] = True
|
|
|
|
|
Will retry if:
|
|
|
|
|
* an exception is caught
|
|
|
|
|
* ssh returns 255
|
|
|
|
|
Will not retry if
|
|
|
|
|
* remaining_tries is <2
|
|
|
|
|
* retries limit reached
|
|
|
|
|
"""
|
|
|
|
|
|
|
|
|
|
if not suppress_output:
|
|
|
|
|
output.append(l)
|
|
|
|
|
remaining_tries = int(C.ANSIBLE_SSH_RETRIES) + 1
|
|
|
|
|
cmd_summary = "%s..." % args[0]
|
|
|
|
|
for attempt in xrange(remaining_tries):
|
|
|
|
|
try:
|
|
|
|
|
return_tuple = self._exec_command(*args, **kwargs)
|
|
|
|
|
# 0 = success
|
|
|
|
|
# 1-254 = remote command return code
|
|
|
|
|
# 255 = failure from the ssh command itself
|
|
|
|
|
if return_tuple[0] != 255 or attempt == (remaining_tries - 1):
|
|
|
|
|
break
|
|
|
|
|
else:
|
|
|
|
|
raise AnsibleConnectionFailure("Failed to connect to the host via ssh.")
|
|
|
|
|
except (AnsibleConnectionFailure, Exception) as e:
|
|
|
|
|
if attempt == remaining_tries - 1:
|
|
|
|
|
raise e
|
|
|
|
|
else:
|
|
|
|
|
pause = 2 ** attempt - 1
|
|
|
|
|
if pause > 30:
|
|
|
|
|
pause = 30
|
|
|
|
|
|
|
|
|
|
# The chunk we read was most likely a series of complete lines, but just
|
|
|
|
|
# in case the last line was incomplete (and not a prompt, which we would
|
|
|
|
|
# have removed from the output), we retain it to be processed with the
|
|
|
|
|
# next chunk.
|
|
|
|
|
if isinstance(e, AnsibleConnectionFailure):
|
|
|
|
|
msg = "ssh_retry: attempt: %d, ssh return code is 255. cmd (%s), pausing for %d seconds" % (attempt, cmd_summary, pause)
|
|
|
|
|
else:
|
|
|
|
|
msg = "ssh_retry: attempt: %d, caught exception(%s) from cmd (%s), pausing for %d seconds" % (attempt, e, cmd_summary, pause)
|
|
|
|
|
|
|
|
|
|
remainder = ''
|
|
|
|
|
if output and not output[-1].endswith('\n'):
|
|
|
|
|
remainder = output[-1]
|
|
|
|
|
output = output[:-1]
|
|
|
|
|
self._display.vv(msg)
|
|
|
|
|
|
|
|
|
|
return ''.join(output), remainder
|
|
|
|
|
time.sleep(pause)
|
|
|
|
|
continue
|
|
|
|
|
|
|
|
|
|
# Utility functions
|
|
|
|
|
return return_tuple
|
|
|
|
|
|
|
|
|
|
def _sshpass_available(self):
|
|
|
|
|
global SSHPASS_AVAILABLE
|
|
|
|
|
def put_file(self, in_path, out_path):
|
|
|
|
|
''' transfer a file from local to remote '''
|
|
|
|
|
|
|
|
|
|
# We test once if sshpass is available, and remember the result. It
|
|
|
|
|
# would be nice to use distutils.spawn.find_executable for this, but
|
|
|
|
|
# distutils isn't always available; shutils.which() is Python3-only.
|
|
|
|
|
super(Connection, self).put_file(in_path, out_path)
|
|
|
|
|
|
|
|
|
|
if SSHPASS_AVAILABLE is None:
|
|
|
|
|
try:
|
|
|
|
|
p = subprocess.Popen(["sshpass"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
|
|
|
p.communicate()
|
|
|
|
|
SSHPASS_AVAILABLE = True
|
|
|
|
|
except OSError:
|
|
|
|
|
SSHPASS_AVAILABLE = False
|
|
|
|
|
self._display.vvv("PUT {0} TO {1}".format(in_path, out_path), host=self.host)
|
|
|
|
|
if not os.path.exists(in_path):
|
|
|
|
|
raise AnsibleFileNotFound("file or module does not exist: {0}".format(in_path))
|
|
|
|
|
|
|
|
|
|
return SSHPASS_AVAILABLE
|
|
|
|
|
# scp and sftp require square brackets for IPv6 addresses, but
|
|
|
|
|
# accept them for hostnames and IPv4 addresses too.
|
|
|
|
|
host = '[%s]' % self.host
|
|
|
|
|
|
|
|
|
|
def _persistence_controls(self, command):
|
|
|
|
|
'''
|
|
|
|
|
Takes a command array and scans it for ControlPersist and ControlPath
|
|
|
|
|
settings and returns two booleans indicating whether either was found.
|
|
|
|
|
This could be smarter, e.g. returning false if ControlPersist is 'no',
|
|
|
|
|
but for now we do it simple way.
|
|
|
|
|
'''
|
|
|
|
|
if C.DEFAULT_SCP_IF_SSH:
|
|
|
|
|
cmd = self._build_command('scp', in_path, '{0}:{1}'.format(host, pipes.quote(out_path)))
|
|
|
|
|
in_data = None
|
|
|
|
|
else:
|
|
|
|
|
cmd = self._build_command('sftp', host)
|
|
|
|
|
in_data = "put {0} {1}\n".format(pipes.quote(in_path), pipes.quote(out_path))
|
|
|
|
|
|
|
|
|
|
controlpersist = False
|
|
|
|
|
controlpath = False
|
|
|
|
|
(returncode, stdout, stderr) = self._run(cmd, in_data)
|
|
|
|
|
|
|
|
|
|
for arg in command:
|
|
|
|
|
if 'controlpersist' in arg.lower():
|
|
|
|
|
controlpersist = True
|
|
|
|
|
elif 'controlpath' in arg.lower():
|
|
|
|
|
controlpath = True
|
|
|
|
|
if returncode != 0:
|
|
|
|
|
raise AnsibleError("failed to transfer file to {0}:\n{1}\n{2}".format(out_path, stdout, stderr))
|
|
|
|
|
|
|
|
|
|
return controlpersist, controlpath
|
|
|
|
|
def fetch_file(self, in_path, out_path):
|
|
|
|
|
''' fetch a file from remote to local '''
|
|
|
|
|
|
|
|
|
|
def _terminate_process(self, p):
|
|
|
|
|
try:
|
|
|
|
|
p.terminate()
|
|
|
|
|
except (OSError, IOError):
|
|
|
|
|
pass
|
|
|
|
|
super(Connection, self).fetch_file(in_path, out_path)
|
|
|
|
|
|
|
|
|
|
def _split_args(self, argstring):
|
|
|
|
|
"""
|
|
|
|
|
Takes a string like '-o Foo=1 -o Bar="foo bar"' and returns a
|
|
|
|
|
list ['-o', 'Foo=1', '-o', 'Bar=foo bar'] that can be added to
|
|
|
|
|
the argument list. The list will not contain any empty elements.
|
|
|
|
|
"""
|
|
|
|
|
return [x.strip() for x in shlex.split(argstring) if x.strip()]
|
|
|
|
|
self._display.vvv("FETCH {0} TO {1}".format(in_path, out_path), host=self.host)
|
|
|
|
|
|
|
|
|
|
def add_args(self, explanation, args):
|
|
|
|
|
"""
|
|
|
|
|
Adds the given args to self._command and displays a caller-supplied
|
|
|
|
|
explanation of why they were added.
|
|
|
|
|
"""
|
|
|
|
|
self._command += args
|
|
|
|
|
self._display.vvvvv('SSH: ' + explanation + ': (%s)' % ')('.join(args), host=self._play_context.remote_addr)
|
|
|
|
|
# scp and sftp require square brackets for IPv6 addresses, but
|
|
|
|
|
# accept them for hostnames and IPv4 addresses too.
|
|
|
|
|
host = '[%s]' % self.host
|
|
|
|
|
|
|
|
|
|
if C.DEFAULT_SCP_IF_SSH:
|
|
|
|
|
cmd = self._build_command('scp', '{0}:{1}'.format(host, pipes.quote(in_path)), out_path)
|
|
|
|
|
in_data = None
|
|
|
|
|
else:
|
|
|
|
|
cmd = self._build_command('sftp', host)
|
|
|
|
|
in_data = "get {0} {1}\n".format(pipes.quote(in_path), pipes.quote(out_path))
|
|
|
|
|
|
|
|
|
|
(returncode, stdout, stderr) = self._run(cmd, in_data)
|
|
|
|
|
|
|
|
|
|
if returncode != 0:
|
|
|
|
|
raise AnsibleError("failed to transfer file from {0}:\n{1}\n{2}".format(in_path, stdout, stderr))
|
|
|
|
|
|
|
|
|
|
def close(self):
|
|
|
|
|
# If we have a persistent ssh connection (ControlPersist), we can ask it
|
|
|
|
|
# to stop listening. Otherwise, there's nothing to do here.
|
|
|
|
|
|
|
|
|
|
# TODO: reenable once winrm issues are fixed
|
|
|
|
|
# temporarily disabled as we are forced to currently close connections after every task because of winrm
|
|
|
|
|
# if self._connected and self._persistent:
|
|
|
|
|
# cmd = self._build_command('ssh', '-O', 'stop', self.host)
|
|
|
|
|
# p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
|
|
|
|
|
# stdout, stderr = p.communicate()
|
|
|
|
|
|
|
|
|
|
self._connected = False
|
|
|
|
|