ansible-later/testenv/lib/python2.7/site-packages/ansible/plugins/action/net_get.py
2019-04-23 13:04:27 +02:00

181 lines
6.0 KiB
Python

# (c) 2018, Ansible Inc,
#
# This file is part of Ansible
#
# 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 copy
import os
import time
import re
import uuid
import hashlib
from ansible.module_utils._text import to_text, to_bytes
from ansible.module_utils.connection import Connection
from ansible.errors import AnsibleError
from ansible.plugins.action import ActionBase
from ansible.module_utils.six.moves.urllib.parse import urlsplit
try:
from __main__ import display
except ImportError:
from ansible.utils.display import Display
display = Display()
class ActionModule(ActionBase):
def run(self, tmp=None, task_vars=None):
socket_path = None
play_context = copy.deepcopy(self._play_context)
play_context.network_os = self._get_network_os(task_vars)
result = super(ActionModule, self).run(task_vars=task_vars)
if play_context.connection != 'network_cli':
# It is supported only with network_cli
result['failed'] = True
result['msg'] = ('please use network_cli connection type for net_get module')
return result
try:
src = self._task.args.get('src')
except KeyError as exc:
return {'failed': True, 'msg': 'missing required argument: %s' % exc}
# Get destination file if specified
dest = self._task.args.get('dest')
if dest is None:
dest = self._get_default_dest(src)
else:
dest = self._handle_dest_path(dest)
# Get proto
proto = self._task.args.get('protocol')
if proto is None:
proto = 'scp'
sock_timeout = play_context.timeout
if socket_path is None:
socket_path = self._connection.socket_path
conn = Connection(socket_path)
try:
changed = self._handle_existing_file(conn, src, dest, proto, sock_timeout)
if changed is False:
result['changed'] = False
result['destination'] = dest
return result
except Exception as exc:
result['msg'] = ('Warning: exception %s idempotency check failed. Check '
'dest' % exc)
try:
out = conn.get_file(
source=src, destination=dest,
proto=proto, timeout=sock_timeout
)
except Exception as exc:
result['failed'] = True
result['msg'] = ('Exception received : %s' % exc)
result['changed'] = True
result['destination'] = dest
return result
def _handle_dest_path(self, dest):
working_path = self._get_working_path()
if os.path.isabs(dest) or urlsplit('dest').scheme:
dst = dest
else:
dst = self._loader.path_dwim_relative(working_path, '', dest)
return dst
def _get_src_filename_from_path(self, src_path):
filename_list = re.split('/|:', src_path)
return filename_list[-1]
def _get_working_path(self):
cwd = self._loader.get_basedir()
if self._task._role is not None:
cwd = self._task._role._role_path
return cwd
def _get_default_dest(self, src_path):
dest_path = self._get_working_path()
src_fname = self._get_src_filename_from_path(src_path)
filename = '%s/%s' % (dest_path, src_fname)
return filename
def _get_network_os(self, task_vars):
if 'network_os' in self._task.args and self._task.args['network_os']:
display.vvvv('Getting network OS from task argument')
network_os = self._task.args['network_os']
elif self._play_context.network_os:
display.vvvv('Getting network OS from inventory')
network_os = self._play_context.network_os
elif 'network_os' in task_vars.get('ansible_facts', {}) and task_vars['ansible_facts']['network_os']:
display.vvvv('Getting network OS from fact')
network_os = task_vars['ansible_facts']['network_os']
else:
raise AnsibleError('ansible_network_os must be specified on this host to use platform agnostic modules')
return network_os
def _handle_existing_file(self, conn, source, dest, proto, timeout):
if not os.path.exists(dest):
return True
cwd = self._loader.get_basedir()
filename = str(uuid.uuid4())
tmp_dest_file = os.path.join(cwd, filename)
try:
out = conn.get_file(
source=source, destination=tmp_dest_file,
proto=proto, timeout=timeout
)
except Exception as exc:
os.remove(tmp_dest_file)
raise Exception(exc)
try:
with open(tmp_dest_file, 'r') as f:
new_content = f.read()
with open(dest, 'r') as f:
old_content = f.read()
except (IOError, OSError) as ioexc:
raise IOError(ioexc)
sha1 = hashlib.sha1()
old_content_b = to_bytes(old_content, errors='surrogate_or_strict')
sha1.update(old_content_b)
checksum_old = sha1.digest()
sha1 = hashlib.sha1()
new_content_b = to_bytes(new_content, errors='surrogate_or_strict')
sha1.update(new_content_b)
checksum_new = sha1.digest()
os.remove(tmp_dest_file)
if checksum_old == checksum_new:
return False
else:
return True