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community.general/plugins/connection/saltstack.py

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2020-03-09 10:11:07 +01:00
# Based on local.py (c) 2012, Michael DeHaan <michael.dehaan@gmail.com>
# Based on chroot.py (c) 2013, Maykel Moya <mmoya@speedyrails.com>
# Based on func.py
# (c) 2014, Michael Scherer <misc@zarb.org>
# (c) 2017 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
author: Michael Scherer (@mscherer) <misc@zarb.org>
connection: saltstack
short_description: Allow ansible to piggyback on salt minions
description:
- This allows you to use existing Saltstack infrastructure to connect to targets.
'''
import re
import os
import pty
import codecs
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import subprocess
from ansible.module_utils._text import to_bytes, to_text
from ansible.module_utils.six.moves import cPickle
HAVE_SALTSTACK = False
try:
import salt.client as sc
HAVE_SALTSTACK = True
except ImportError:
pass
import os
from ansible import errors
from ansible.plugins.connection import ConnectionBase
class Connection(ConnectionBase):
''' Salt-based connections '''
has_pipelining = False
# while the name of the product is salt, naming that module salt cause
# trouble with module import
transport = 'community.general.saltstack'
def __init__(self, play_context, new_stdin, *args, **kwargs):
super(Connection, self).__init__(play_context, new_stdin, *args, **kwargs)
self.host = self._play_context.remote_addr
def _connect(self):
if not HAVE_SALTSTACK:
raise errors.AnsibleError("saltstack is not installed")
self.client = sc.LocalClient()
self._connected = True
return self
def exec_command(self, cmd, sudoable=False, in_data=None):
''' run a command on the remote minion '''
super(Connection, self).exec_command(cmd, in_data=in_data, sudoable=sudoable)
if in_data:
raise errors.AnsibleError("Internal Error: this module does not support optimized module pipelining")
self._display.vvv("EXEC %s" % (cmd), host=self.host)
# need to add 'true;' to work around https://github.com/saltstack/salt/issues/28077
res = self.client.cmd(self.host, 'cmd.exec_code_all', ['bash', 'true;' + cmd])
if self.host not in res:
raise errors.AnsibleError("Minion %s didn't answer, check if salt-minion is running and the name is correct" % self.host)
p = res[self.host]
return (p['retcode'], p['stdout'], p['stderr'])
def _normalize_path(self, path, prefix):
if not path.startswith(os.path.sep):
path = os.path.join(os.path.sep, path)
normpath = os.path.normpath(path)
return os.path.join(prefix, normpath[1:])
def put_file(self, in_path, out_path):
''' transfer a file from local to remote '''
super(Connection, self).put_file(in_path, out_path)
out_path = self._normalize_path(out_path, '/')
self._display.vvv("PUT %s TO %s" % (in_path, out_path), host=self.host)
with open(in_path, 'rb') as in_fh:
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content = in_fh.read()
self.client.cmd(self.host, 'hashutil.base64_decodefile', [codecs.encode(content, 'base64'), out_path])
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# TODO test it
def fetch_file(self, in_path, out_path):
''' fetch a file from remote to local '''
super(Connection, self).fetch_file(in_path, out_path)
in_path = self._normalize_path(in_path, '/')
self._display.vvv("FETCH %s TO %s" % (in_path, out_path), host=self.host)
content = self.client.cmd(self.host, 'cp.get_file_str', [in_path])[self.host]
open(out_path, 'wb').write(content)
def close(self):
''' terminate the connection; nothing to do here '''
pass