mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-16 10:00:39 +00:00
426 lines
19 KiB
Python
426 lines
19 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
# (c) 2012-2013, Timothy Appnel <tim@appnel.com>
|
|
#
|
|
# Ansible is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Ansible is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
import os.path
|
|
from collections import MutableSequence
|
|
|
|
from ansible import constants as C
|
|
from ansible.module_utils.six import string_types
|
|
from ansible.module_utils._text import to_text
|
|
from ansible.module_utils.parsing.convert_bool import boolean
|
|
from ansible.plugins.action import ActionBase
|
|
from ansible.plugins.loader import connection_loader
|
|
|
|
|
|
class ActionModule(ActionBase):
|
|
|
|
def _get_absolute_path(self, path):
|
|
original_path = path
|
|
|
|
if path.startswith('rsync://'):
|
|
return path
|
|
|
|
if self._task._role is not None:
|
|
path = self._loader.path_dwim_relative(self._task._role._role_path, 'files', path)
|
|
else:
|
|
path = self._loader.path_dwim_relative(self._loader.get_basedir(), 'files', path)
|
|
|
|
if original_path and original_path[-1] == '/' and path[-1] != '/':
|
|
# make sure the dwim'd path ends in a trailing "/"
|
|
# if the original path did
|
|
path += '/'
|
|
|
|
return path
|
|
|
|
def _host_is_ipv6_address(self, host):
|
|
return ':' in to_text(host, errors='surrogate_or_strict')
|
|
|
|
def _format_rsync_rsh_target(self, host, path, user):
|
|
''' formats rsync rsh target, escaping ipv6 addresses if needed '''
|
|
|
|
user_prefix = ''
|
|
|
|
if path.startswith('rsync://'):
|
|
return path
|
|
|
|
# If using docker or buildah, do not add user information
|
|
if self._remote_transport not in ['docker', 'buildah'] and user:
|
|
user_prefix = '%s@' % (user, )
|
|
|
|
if self._host_is_ipv6_address(host):
|
|
return '[%s%s]:%s' % (user_prefix, host, path)
|
|
else:
|
|
return '%s%s:%s' % (user_prefix, host, path)
|
|
|
|
def _process_origin(self, host, path, user):
|
|
|
|
if host not in C.LOCALHOST:
|
|
return self._format_rsync_rsh_target(host, path, user)
|
|
|
|
if ':' not in path and not path.startswith('/'):
|
|
path = self._get_absolute_path(path=path)
|
|
return path
|
|
|
|
def _process_remote(self, task_args, host, path, user, port_matches_localhost_port):
|
|
"""
|
|
:arg host: hostname for the path
|
|
:arg path: file path
|
|
:arg user: username for the transfer
|
|
:arg port_matches_localhost_port: boolean whether the remote port
|
|
matches the port used by localhost's sshd. This is used in
|
|
conjunction with seeing whether the host is localhost to know
|
|
if we need to have the module substitute the pathname or if it
|
|
is a different host (for instance, an ssh tunnelled port or an
|
|
alternative ssh port to a vagrant host.)
|
|
"""
|
|
transport = self._connection.transport
|
|
# If we're connecting to a remote host or we're delegating to another
|
|
# host or we're connecting to a different ssh instance on the
|
|
# localhost then we have to format the path as a remote rsync path
|
|
if host not in C.LOCALHOST or transport != "local" or \
|
|
(host in C.LOCALHOST and not port_matches_localhost_port):
|
|
# If we're delegating to non-localhost and but the
|
|
# inventory_hostname host is localhost then we need the module to
|
|
# fix up the rsync path to use the controller's public DNS/IP
|
|
# instead of "localhost"
|
|
if port_matches_localhost_port and host in C.LOCALHOST:
|
|
task_args['_substitute_controller'] = True
|
|
return self._format_rsync_rsh_target(host, path, user)
|
|
|
|
if ':' not in path and not path.startswith('/'):
|
|
path = self._get_absolute_path(path=path)
|
|
return path
|
|
|
|
def _override_module_replaced_vars(self, task_vars):
|
|
""" Some vars are substituted into the modules. Have to make sure
|
|
that those are correct for localhost when synchronize creates its own
|
|
connection to localhost."""
|
|
|
|
# Clear the current definition of these variables as they came from the
|
|
# connection to the remote host
|
|
if 'ansible_syslog_facility' in task_vars:
|
|
del task_vars['ansible_syslog_facility']
|
|
for key in list(task_vars.keys()):
|
|
if key.startswith("ansible_") and key.endswith("_interpreter"):
|
|
del task_vars[key]
|
|
|
|
# Add the definitions from localhost
|
|
for host in C.LOCALHOST:
|
|
if host in task_vars['hostvars']:
|
|
localhost = task_vars['hostvars'][host]
|
|
break
|
|
if 'ansible_syslog_facility' in localhost:
|
|
task_vars['ansible_syslog_facility'] = localhost['ansible_syslog_facility']
|
|
for key in localhost:
|
|
if key.startswith("ansible_") and key.endswith("_interpreter"):
|
|
task_vars[key] = localhost[key]
|
|
|
|
def run(self, tmp=None, task_vars=None):
|
|
''' generates params and passes them on to the rsync module '''
|
|
# When modifying this function be aware of the tricky convolutions
|
|
# your thoughts have to go through:
|
|
#
|
|
# In normal ansible, we connect from controller to inventory_hostname
|
|
# (playbook's hosts: field) or controller to delegate_to host and run
|
|
# a module on one of those hosts.
|
|
#
|
|
# So things that are directly related to the core of ansible are in
|
|
# terms of that sort of connection that always originate on the
|
|
# controller.
|
|
#
|
|
# In synchronize we use ansible to connect to either the controller or
|
|
# to the delegate_to host and then run rsync which makes its own
|
|
# connection from controller to inventory_hostname or delegate_to to
|
|
# inventory_hostname.
|
|
#
|
|
# That means synchronize needs to have some knowledge of the
|
|
# controller to inventory_host/delegate host that ansible typically
|
|
# establishes and use those to construct a command line for rsync to
|
|
# connect from the inventory_host to the controller/delegate. The
|
|
# challenge for coders is remembering which leg of the trip is
|
|
# associated with the conditions that you're checking at any one time.
|
|
if task_vars is None:
|
|
task_vars = dict()
|
|
|
|
# We make a copy of the args here because we may fail and be asked to
|
|
# retry. If that happens we don't want to pass the munged args through
|
|
# to our next invocation. Munged args are single use only.
|
|
_tmp_args = self._task.args.copy()
|
|
|
|
result = super(ActionModule, self).run(tmp, task_vars)
|
|
del tmp # tmp no longer has any effect
|
|
|
|
# Store remote connection type
|
|
self._remote_transport = self._connection.transport
|
|
|
|
# Handle docker connection options
|
|
if self._remote_transport == 'docker':
|
|
self._docker_cmd = self._connection.docker_cmd
|
|
if self._play_context.docker_extra_args:
|
|
self._docker_cmd = "%s %s" % (self._docker_cmd, self._play_context.docker_extra_args)
|
|
|
|
# self._connection accounts for delegate_to so
|
|
# remote_transport is the transport ansible thought it would need
|
|
# between the controller and the delegate_to host or the controller
|
|
# and the remote_host if delegate_to isn't set.
|
|
|
|
remote_transport = False
|
|
if self._connection.transport != 'local':
|
|
remote_transport = True
|
|
|
|
try:
|
|
delegate_to = self._task.delegate_to
|
|
except (AttributeError, KeyError):
|
|
delegate_to = None
|
|
|
|
# ssh paramiko docker buildah and local are fully supported transports. Anything
|
|
# else only works with delegate_to
|
|
if delegate_to is None and self._connection.transport not in \
|
|
('ssh', 'paramiko', 'local', 'docker', 'buildah'):
|
|
result['failed'] = True
|
|
result['msg'] = (
|
|
"synchronize uses rsync to function. rsync needs to connect to the remote "
|
|
"host via ssh, docker client or a direct filesystem "
|
|
"copy. This remote host is being accessed via %s instead "
|
|
"so it cannot work." % self._connection.transport)
|
|
return result
|
|
|
|
use_ssh_args = _tmp_args.pop('use_ssh_args', None)
|
|
|
|
# Parameter name needed by the ansible module
|
|
_tmp_args['_local_rsync_path'] = task_vars.get('ansible_rsync_path') or 'rsync'
|
|
|
|
# rsync thinks that one end of the connection is localhost and the
|
|
# other is the host we're running the task for (Note: We use
|
|
# ansible's delegate_to mechanism to determine which host rsync is
|
|
# running on so localhost could be a non-controller machine if
|
|
# delegate_to is used)
|
|
src_host = '127.0.0.1'
|
|
inventory_hostname = task_vars.get('inventory_hostname')
|
|
dest_host_inventory_vars = task_vars['hostvars'].get(inventory_hostname)
|
|
try:
|
|
dest_host = dest_host_inventory_vars['ansible_host']
|
|
except KeyError:
|
|
dest_host = dest_host_inventory_vars.get('ansible_ssh_host', inventory_hostname)
|
|
|
|
dest_host_ids = [hostid for hostid in (dest_host_inventory_vars.get('inventory_hostname'),
|
|
dest_host_inventory_vars.get('ansible_host'),
|
|
dest_host_inventory_vars.get('ansible_ssh_host'))
|
|
if hostid is not None]
|
|
|
|
localhost_ports = set()
|
|
for host in C.LOCALHOST:
|
|
localhost_vars = task_vars['hostvars'].get(host, {})
|
|
for port_var in C.MAGIC_VARIABLE_MAPPING['port']:
|
|
port = localhost_vars.get(port_var, None)
|
|
if port:
|
|
break
|
|
else:
|
|
port = C.DEFAULT_REMOTE_PORT
|
|
localhost_ports.add(port)
|
|
|
|
# dest_is_local tells us if the host rsync runs on is the same as the
|
|
# host rsync puts the files on. This is about *rsync's connection*,
|
|
# not about the ansible connection to run the module.
|
|
dest_is_local = False
|
|
if delegate_to is None and remote_transport is False:
|
|
dest_is_local = True
|
|
elif delegate_to is not None and delegate_to in dest_host_ids:
|
|
dest_is_local = True
|
|
|
|
# CHECK FOR NON-DEFAULT SSH PORT
|
|
inv_port = task_vars.get('ansible_ssh_port', None) or C.DEFAULT_REMOTE_PORT
|
|
if _tmp_args.get('dest_port', None) is None:
|
|
if inv_port is not None:
|
|
_tmp_args['dest_port'] = inv_port
|
|
|
|
# Set use_delegate if we are going to run rsync on a delegated host
|
|
# instead of localhost
|
|
use_delegate = False
|
|
if delegate_to is not None and delegate_to in dest_host_ids:
|
|
# edge case: explicit delegate and dest_host are the same
|
|
# so we run rsync on the remote machine targeting its localhost
|
|
# (itself)
|
|
dest_host = '127.0.0.1'
|
|
use_delegate = True
|
|
elif delegate_to is not None and remote_transport:
|
|
# If we're delegating to a remote host then we need to use the
|
|
# delegate_to settings
|
|
use_delegate = True
|
|
|
|
# Delegate to localhost as the source of the rsync unless we've been
|
|
# told (via delegate_to) that a different host is the source of the
|
|
# rsync
|
|
if not use_delegate and remote_transport:
|
|
# Create a connection to localhost to run rsync on
|
|
new_stdin = self._connection._new_stdin
|
|
|
|
# Unike port, there can be only one shell
|
|
localhost_shell = None
|
|
for host in C.LOCALHOST:
|
|
localhost_vars = task_vars['hostvars'].get(host, {})
|
|
for shell_var in C.MAGIC_VARIABLE_MAPPING['shell']:
|
|
localhost_shell = localhost_vars.get(shell_var, None)
|
|
if localhost_shell:
|
|
break
|
|
if localhost_shell:
|
|
break
|
|
else:
|
|
localhost_shell = os.path.basename(C.DEFAULT_EXECUTABLE)
|
|
self._play_context.shell = localhost_shell
|
|
|
|
# Unike port, there can be only one executable
|
|
localhost_executable = None
|
|
for host in C.LOCALHOST:
|
|
localhost_vars = task_vars['hostvars'].get(host, {})
|
|
for executable_var in C.MAGIC_VARIABLE_MAPPING['executable']:
|
|
localhost_executable = localhost_vars.get(executable_var, None)
|
|
if localhost_executable:
|
|
break
|
|
if localhost_executable:
|
|
break
|
|
else:
|
|
localhost_executable = C.DEFAULT_EXECUTABLE
|
|
self._play_context.executable = localhost_executable
|
|
|
|
new_connection = connection_loader.get('local', self._play_context, new_stdin)
|
|
self._connection = new_connection
|
|
# Override _remote_is_local as an instance attribute specifically for the synchronize use case
|
|
# ensuring we set local tmpdir correctly
|
|
self._connection._remote_is_local = True
|
|
self._override_module_replaced_vars(task_vars)
|
|
|
|
# SWITCH SRC AND DEST HOST PER MODE
|
|
if _tmp_args.get('mode', 'push') == 'pull':
|
|
(dest_host, src_host) = (src_host, dest_host)
|
|
|
|
# MUNGE SRC AND DEST PER REMOTE_HOST INFO
|
|
src = _tmp_args.get('src', None)
|
|
dest = _tmp_args.get('dest', None)
|
|
if src is None or dest is None:
|
|
return dict(failed=True, msg="synchronize requires both src and dest parameters are set")
|
|
|
|
# Determine if we need a user@
|
|
user = None
|
|
if not dest_is_local:
|
|
# Src and dest rsync "path" handling
|
|
if boolean(_tmp_args.get('set_remote_user', 'yes'), strict=False):
|
|
if use_delegate:
|
|
user = task_vars.get('ansible_delegated_vars', dict()).get('ansible_ssh_user', None)
|
|
if not user:
|
|
user = task_vars.get('ansible_ssh_user') or self._play_context.remote_user
|
|
if not user:
|
|
user = C.DEFAULT_REMOTE_USER
|
|
|
|
else:
|
|
user = task_vars.get('ansible_ssh_user') or self._play_context.remote_user
|
|
|
|
# Private key handling
|
|
private_key = self._play_context.private_key_file
|
|
|
|
if private_key is not None:
|
|
_tmp_args['private_key'] = private_key
|
|
|
|
# use the mode to define src and dest's url
|
|
if _tmp_args.get('mode', 'push') == 'pull':
|
|
# src is a remote path: <user>@<host>, dest is a local path
|
|
src = self._process_remote(_tmp_args, src_host, src, user, inv_port in localhost_ports)
|
|
dest = self._process_origin(dest_host, dest, user)
|
|
else:
|
|
# src is a local path, dest is a remote path: <user>@<host>
|
|
src = self._process_origin(src_host, src, user)
|
|
dest = self._process_remote(_tmp_args, dest_host, dest, user, inv_port in localhost_ports)
|
|
else:
|
|
# Still need to munge paths (to account for roles) even if we aren't
|
|
# copying files between hosts
|
|
if not src.startswith('/'):
|
|
src = self._get_absolute_path(path=src)
|
|
if not dest.startswith('/'):
|
|
dest = self._get_absolute_path(path=dest)
|
|
|
|
_tmp_args['src'] = src
|
|
_tmp_args['dest'] = dest
|
|
|
|
# Allow custom rsync path argument
|
|
rsync_path = _tmp_args.get('rsync_path', None)
|
|
|
|
# backup original become as we are probably about to unset it
|
|
become = self._play_context.become
|
|
|
|
if not dest_is_local:
|
|
# don't escalate for docker. doing --rsync-path with docker exec fails
|
|
# and we can switch directly to the user via docker arguments
|
|
if self._play_context.become and not rsync_path and self._remote_transport != 'docker':
|
|
# If no rsync_path is set, become was originally set, and dest is
|
|
# remote then add privilege escalation here.
|
|
if self._play_context.become_method == 'sudo':
|
|
rsync_path = 'sudo rsync'
|
|
# TODO: have to add in the rest of the become methods here
|
|
|
|
# We cannot use privilege escalation on the machine running the
|
|
# module. Instead we run it on the machine rsync is connecting
|
|
# to.
|
|
self._play_context.become = False
|
|
|
|
_tmp_args['rsync_path'] = rsync_path
|
|
|
|
if use_ssh_args:
|
|
ssh_args = [
|
|
getattr(self._play_context, 'ssh_args', ''),
|
|
getattr(self._play_context, 'ssh_common_args', ''),
|
|
getattr(self._play_context, 'ssh_extra_args', ''),
|
|
]
|
|
_tmp_args['ssh_args'] = ' '.join([a for a in ssh_args if a])
|
|
|
|
# If launching synchronize against docker container
|
|
# use rsync_opts to support container to override rsh options
|
|
if self._remote_transport in ['docker', 'buildah']:
|
|
# Replicate what we do in the module argumentspec handling for lists
|
|
if not isinstance(_tmp_args.get('rsync_opts'), MutableSequence):
|
|
tmp_rsync_opts = _tmp_args.get('rsync_opts', [])
|
|
if isinstance(tmp_rsync_opts, string_types):
|
|
tmp_rsync_opts = tmp_rsync_opts.split(',')
|
|
elif isinstance(tmp_rsync_opts, (int, float)):
|
|
tmp_rsync_opts = [to_text(tmp_rsync_opts)]
|
|
_tmp_args['rsync_opts'] = tmp_rsync_opts
|
|
|
|
if '--blocking-io' not in _tmp_args['rsync_opts']:
|
|
_tmp_args['rsync_opts'].append('--blocking-io')
|
|
|
|
if self._remote_transport in ['docker']:
|
|
if become and self._play_context.become_user:
|
|
_tmp_args['rsync_opts'].append("--rsh=%s exec -u %s -i" % (self._docker_cmd, self._play_context.become_user))
|
|
elif user is not None:
|
|
_tmp_args['rsync_opts'].append("--rsh=%s exec -u %s -i" % (self._docker_cmd, user))
|
|
else:
|
|
_tmp_args['rsync_opts'].append("--rsh=%s exec -i" % self._docker_cmd)
|
|
elif self._remote_transport in ['buildah']:
|
|
_tmp_args['rsync_opts'].append("--rsh=buildah run --")
|
|
|
|
# run the module and store the result
|
|
result.update(self._execute_module('synchronize', module_args=_tmp_args, task_vars=task_vars))
|
|
|
|
if 'SyntaxError' in result.get('exception', result.get('msg', '')):
|
|
# Emit a warning about using python3 because synchronize is
|
|
# somewhat unique in running on localhost
|
|
result['exception'] = result['msg']
|
|
result['msg'] = ('SyntaxError parsing module. Perhaps invoking "python" on your local (or delegate_to) machine invokes python3. '
|
|
'You can set ansible_python_interpreter for localhost (or the delegate_to machine) to the location of python2 to fix this')
|
|
return result
|