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https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
Clean up erroneous lineinfile.orig file
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1 changed files with 0 additions and 344 deletions
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2012, Daniel Hokka Zakrisson <daniel@hozac.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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import re
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import os
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import tempfile
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DOCUMENTATION = """
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---
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module: lineinfile
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author: Daniel Hokka Zakrisson
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short_description: Ensure a particular line is in a file, or replace an
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existing line using a back-referenced regular expression.
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description:
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- This module will search a file for a line, and ensure that it is present or absent.
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- This is primarily useful when you want to change a single line in a
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file only. For other cases, see the M(copy) or M(template) modules.
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version_added: "0.7"
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options:
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dest:
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required: true
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aliases: [ name, destfile ]
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description:
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- The file to modify.
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regexp:
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required: true
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description:
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- The regular expression to look for in every line of the file. For
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C(state=present), the pattern to replace if found; only the last line
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found will be replaced. For C(state=absent), the pattern of the line
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to remove. Uses Python regular expressions; see
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U(http://docs.python.org/2/library/re.html).
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state:
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required: false
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choices: [ present, absent ]
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default: "present"
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aliases: []
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description:
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- Whether the line should be there or not.
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line:
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required: false
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description:
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- Required for C(state=present). The line to insert/replace into the
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file. If backrefs is set, may contain backreferences that will get
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expanded with the regexp capture groups if the regexp matches. The
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backreferences should be double escaped (see examples).
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backrefs:
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required: false
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default: "no"
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choices: [ "yes", "no" ]
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version_added: "1.1"
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description:
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- Used with C(state=present). If set, line can contain backreferences
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(both positional and named) that will get populated if the regexp
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matches. This flag changes the operation of the module slightly;
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insertbefore and insertafter will be ignored, and if the regexp
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doesn't match anywhere in the file, the file will be left unchanged.
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If the regexp does match, the last matching line will be replaced by
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the expanded line parameter.
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insertafter:
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required: false
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default: EOF
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description:
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- Used with C(state=present). If specified, the line will be inserted
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after the specified regular expression. A special value is
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available; C(EOF) for inserting the line at the end of the file.
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May not be used with backrefs.
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choices: [ 'EOF', '*regex*' ]
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insertbefore:
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required: false
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version_added: "1.1"
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description:
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- Used with C(state=present). If specified, the line will be inserted
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before the specified regular expression. A value is available;
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C(BOF) for inserting the line at the beginning of the file.
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May not be used with backrefs.
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choices: [ 'BOF', '*regex*' ]
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create:
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required: false
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choices: [ "yes", "no" ]
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default: "no"
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description:
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- Used with C(state=present). If specified, the file will be created
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if it does not already exist. By default it will fail if the file
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is missing.
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backup:
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required: false
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default: "no"
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choices: [ "yes", "no" ]
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description:
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- Create a backup file including the timestamp information so you can
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get the original file back if you somehow clobbered it incorrectly.
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validate:
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required: false
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description:
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- validation to run before copying into place
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required: false
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default: None
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version_added: "1.4"
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others:
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description:
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- All arguments accepted by the M(file) module also work here.
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required: false
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"""
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EXAMPLES = r"""
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- lineinfile: dest=/etc/selinux/config regexp=^SELINUX= line=SELINUX=disabled
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- lineinfile: dest=/etc/sudoers state=absent regexp="^%wheel"
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- lineinfile: dest=/etc/hosts regexp='^127\.0\.0\.1' line='127.0.0.1 localhost' owner=root group=root mode=0644
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- lineinfile: dest=/etc/httpd/conf/httpd.conf regexp="^Listen " insertafter="^#Listen " line="Listen 8080"
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- lineinfile: dest=/etc/services regexp="^# port for http" insertbefore="^www.*80/tcp" line="# port for http by default"
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# Fully quoted because of the ': ' on the line. See the Gotchas in the YAML docs.
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- lineinfile: "dest=/etc/sudoers state=present regexp='^%wheel' line='%wheel ALL=(ALL) NOPASSWD: ALL'"
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- lineinfile: dest=/opt/jboss-as/bin/standalone.conf regexp='^(.*)Xms(\d+)m(.*)$' line='\1Xms${xms}m\3' backrefs=yes
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# Validate a the sudoers file before saving
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- lineinfile: dest=/etc/sudoers state=present regexp='^%ADMIN ALL\=' line='%ADMIN ALL=(ALL) NOPASSWD:ALL' validate='visudo -cf %s'
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"""
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def write_changes(module,lines,dest):
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tmpfd, tmpfile = tempfile.mkstemp()
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f = os.fdopen(tmpfd,'wb')
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f.writelines(lines)
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f.close()
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validate = module.params.get('validate', None)
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valid = not validate
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if validate:
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(rc, out, err) = module.run_command(validate % tmpfile)
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valid = rc == 0
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if rc != 0:
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module.fail_json(msg='failed to validate: '
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'rc:%s error:%s' % (rc,err))
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if valid:
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module.atomic_move(tmpfile, dest)
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def check_file_attrs(module, changed, message):
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file_args = module.load_file_common_arguments(module.params)
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if module.set_file_attributes_if_different(file_args, False):
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if changed:
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message += " and "
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changed = True
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message += "ownership, perms or SE linux context changed"
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return message, changed
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def present(module, dest, regexp, line, insertafter, insertbefore, create,
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backup, backrefs):
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if not os.path.exists(dest):
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if not create:
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module.fail_json(rc=257, msg='Destination %s does not exist !' % dest)
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destpath = os.path.dirname(dest)
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if not os.path.exists(destpath):
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os.makedirs(destpath)
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lines = []
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else:
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f = open(dest, 'rb')
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lines = f.readlines()
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f.close()
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mre = re.compile(regexp)
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if insertafter not in (None, 'BOF', 'EOF'):
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insre = re.compile(insertafter)
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elif insertbefore not in (None, 'BOF'):
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insre = re.compile(insertbefore)
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else:
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insre = None
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# index[0] is the line num where regexp has been found
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# index[1] is the line num where insertafter/inserbefore has been found
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index = [-1, -1]
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m = None
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for lineno, cur_line in enumerate(lines):
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match_found = mre.search(cur_line)
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if match_found:
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index[0] = lineno
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m = match_found
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elif insre is not None and insre.search(cur_line):
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if insertafter:
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# + 1 for the next line
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index[1] = lineno + 1
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if insertbefore:
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# + 1 for the previous line
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index[1] = lineno
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msg = ''
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changed = False
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# Regexp matched a line in the file
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if index[0] != -1:
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if backrefs:
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new_line = m.expand(line)
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else:
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# Don't do backref expansion if not asked.
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new_line = line
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if lines[index[0]] != new_line + os.linesep:
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lines[index[0]] = new_line + os.linesep
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msg = 'line replaced'
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changed = True
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elif backrefs:
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# Do absolutely nothing, since it's not safe generating the line
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# without the regexp matching to populate the backrefs.
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pass
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# Add it to the beginning of the file
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elif insertbefore == 'BOF' or insertafter == 'BOF':
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lines.insert(0, line + os.linesep)
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msg = 'line added'
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changed = True
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# Add it to the end of the file if requested or
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# if insertafter=/insertbefore didn't match anything
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# (so default behaviour is to add at the end)
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elif insertafter == 'EOF':
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lines.append(line + os.linesep)
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msg = 'line added'
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changed = True
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# Do nothing if insert* didn't match
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elif index[1] == -1:
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pass
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# insert* matched, but not the regexp
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else:
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lines.insert(index[1], line + os.linesep)
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msg = 'line added'
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changed = True
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if changed and not module.check_mode:
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if backup and os.path.exists(dest):
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module.backup_local(dest)
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write_changes(module, lines, dest)
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msg, changed = check_file_attrs(module, changed, msg)
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module.exit_json(changed=changed, msg=msg)
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def absent(module, dest, regexp, backup):
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if not os.path.exists(dest):
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module.exit_json(changed=False, msg="file not present")
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msg = ""
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f = open(dest, 'rb')
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lines = f.readlines()
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f.close()
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cre = re.compile(regexp)
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found = []
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def matcher(line):
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if cre.search(line):
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found.append(line)
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return False
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else:
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return True
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lines = filter(matcher, lines)
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changed = len(found) > 0
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if changed and not module.check_mode:
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if backup:
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module.backup_local(dest)
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write_changes(module, lines, dest)
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if changed:
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msg = "%s line(s) removed" % len(found)
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msg, changed = check_file_attrs(module, changed, msg)
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module.exit_json(changed=changed, found=len(found), msg=msg)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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dest=dict(required=True, aliases=['name', 'destfile']),
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state=dict(default='present', choices=['absent', 'present']),
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regexp=dict(required=True),
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line=dict(aliases=['value']),
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insertafter=dict(default=None),
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insertbefore=dict(default=None),
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backrefs=dict(default=False, type='bool'),
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create=dict(default=False, type='bool'),
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backup=dict(default=False, type='bool'),
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validate=dict(default=None, type='str'),
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),
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mutually_exclusive=[['insertbefore', 'insertafter']],
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add_file_common_args=True,
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supports_check_mode=True
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)
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params = module.params
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create = module.params['create']
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backup = module.params['backup']
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backrefs = module.params['backrefs']
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dest = os.path.expanduser(params['dest'])
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if os.path.isdir(dest):
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module.fail_json(rc=256, msg='Destination %s is a directory !' % dest)
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if params['state'] == 'present':
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if params.get('line', None) is None:
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module.fail_json(msg='line= is required with state=present')
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# Deal with the insertafter default value manually, to avoid errors
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# because of the mutually_exclusive mechanism.
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ins_bef, ins_aft = params['insertbefore'], params['insertafter']
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if ins_bef is None and ins_aft is None:
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ins_aft = 'EOF'
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present(module, dest, params['regexp'], params['line'],
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ins_aft, ins_bef, create, backup, backrefs)
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else:
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absent(module, dest, params['regexp'], backup)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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