community.general/lib/ansible/runner/action_plugins/assemble.py

153 lines
5.7 KiB
Python

# (c) 2013-2014, Michael DeHaan <michael.dehaan@gmail.com>
# Stephen Fromm <sfromm@gmail.com>
# Brian Coca <briancoca+dev@gmail.com>
#
# 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
import os
import os.path
import pipes
import shutil
import tempfile
import base64
import re
from ansible import utils
from ansible.runner.return_data import ReturnData
class ActionModule(object):
TRANSFERS_FILES = True
def __init__(self, runner):
self.runner = runner
def _assemble_from_fragments(self, src_path, delimiter=None, compiled_regexp=None):
''' assemble a file from a directory of fragments '''
tmpfd, temp_path = tempfile.mkstemp()
tmp = os.fdopen(tmpfd,'w')
delimit_me = False
add_newline = False
for f in sorted(os.listdir(src_path)):
if compiled_regexp and not compiled_regexp.search(f):
continue
fragment = "%s/%s" % (src_path, f)
if not os.path.isfile(fragment):
continue
fragment_content = file(fragment).read()
# always put a newline between fragments if the previous fragment didn't end with a newline.
if add_newline:
tmp.write('\n')
# delimiters should only appear between fragments
if delimit_me:
if delimiter:
# un-escape anything like newlines
delimiter = delimiter.decode('unicode-escape')
tmp.write(delimiter)
# always make sure there's a newline after the
# delimiter, so lines don't run together
if delimiter[-1] != '\n':
tmp.write('\n')
tmp.write(fragment_content)
delimit_me = True
if fragment_content.endswith('\n'):
add_newline = False
else:
add_newline = True
tmp.close()
return temp_path
def run(self, conn, tmp, module_name, module_args, inject, complex_args=None, **kwargs):
# load up options
options = {}
if complex_args:
options.update(complex_args)
options.update(utils.parse_kv(module_args))
src = options.get('src', None)
dest = options.get('dest', None)
delimiter = options.get('delimiter', None)
remote_src = utils.boolean(options.get('remote_src', 'yes'))
regexp = options.get('regexp', None)
if src is None or dest is None:
result = dict(failed=True, msg="src and dest are required")
return ReturnData(conn=conn, comm_ok=False, result=result)
if remote_src:
return self.runner._execute_module(conn, tmp, 'assemble', module_args, inject=inject, complex_args=complex_args)
elif '_original_file' in inject:
src = utils.path_dwim_relative(inject['_original_file'], 'files', src, self.runner.basedir)
else:
# the source is local, so expand it here
src = os.path.expanduser(src)
_re = None
if regexp is not None:
_re = re.compile(regexp)
# Does all work assembling the file
path = self._assemble_from_fragments(src, delimiter, _re)
pathmd5 = utils.md5s(path)
remote_md5 = self.runner._remote_md5(conn, tmp, dest)
if pathmd5 != remote_md5:
resultant = file(path).read()
if self.runner.diff:
dest_result = self.runner._execute_module(conn, tmp, 'slurp', "path=%s" % dest, inject=inject, persist_files=True)
if 'content' in dest_result.result:
dest_contents = dest_result.result['content']
if dest_result.result['encoding'] == 'base64':
dest_contents = base64.b64decode(dest_contents)
else:
raise Exception("unknown encoding, failed: %s" % dest_result.result)
xfered = self.runner._transfer_str(conn, tmp, 'src', resultant)
# fix file permissions when the copy is done as a different user
if self.runner.sudo and self.runner.sudo_user != 'root':
self.runner._remote_chmod(conn, 'a+r', xfered, tmp)
# run the copy module
new_module_args = dict(
src=xfered,
dest=dest,
original_basename=os.path.basename(src),
)
module_args_tmp = utils.merge_module_args(module_args, new_module_args)
if self.runner.noop_on_check(inject):
return ReturnData(conn=conn, comm_ok=True, result=dict(changed=True), diff=dict(before_header=dest, after_header=src, after=resultant))
else:
res = self.runner._execute_module(conn, tmp, 'copy', module_args_tmp, inject=inject)
res.diff = dict(after=resultant)
return res
else:
new_module_args = dict(
src=xfered,
dest=dest,
original_basename=os.path.basename(src),
)
module_args_tmp = utils.merge_module_args(module_args, new_module_args)
return self.runner._execute_module(conn, tmp, 'file', module_args_tmp, inject=inject)