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362 lines
13 KiB
Python
362 lines
13 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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"""
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(c) 2016, Ben Doherty <bendohmv@gmail.com>
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Sponsored by Oomph, Inc. http://www.oomphinc.com
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This file is part of Ansible
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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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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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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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"""
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DOCUMENTATION = '''
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---
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module: archive
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version_added: 2.2
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short_description: Creates a compressed archive of one or more files or trees.
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extends_documentation_fragment: files
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description:
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- The M(archive) module packs an archive. It is the opposite of the unarchive module. By default, it assumes the compression source exists on the target. It will not copy the source file from the local system to the target before archiving. Source files can be deleted after archival by specifying remove=True.
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options:
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path:
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description:
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- Remote absolute path, glob, or list of paths or globs for the file or files to archive or compress.
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required: false
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default: null
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compression:
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description:
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- The type of compression to use. Can be 'gz', 'bz2', or 'zip'.
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choices: [ 'gz', 'bz2', 'zip' ]
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creates:
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description:
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- The file name of the destination archive. This is required when 'path' refers to multiple files by either specifying a glob, a directory or multiple paths in a list.
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required: false, unless multiple source paths or globs are specified
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default: null
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remove:
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description:
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- Remove any added source files and trees after adding to archive.
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type: bool
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required: false
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default: false
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author: "Ben Doherty (@bendoh)"
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notes:
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- requires tarfile, zipfile, gzip, and bzip2 packages on target host
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- can produce I(gzip), I(bzip2) and I(zip) compressed files or archives
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'''
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EXAMPLES = '''
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# Compress directory /path/to/foo/ into /path/to/foo.tgz
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- archive: path=/path/to/foo creates=/path/to/foo.tgz
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# Compress regular file /path/to/foo into /path/to/foo.gz and remove it
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- archive: path=/path/to/foo remove=True
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# Create a zip archive of /path/to/foo
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- archive: path=/path/to/foo compression=zip
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# Create a bz2 archive of multiple files, rooted at /path
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- archive:
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path:
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- /path/to/foo
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- /path/wong/foo
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creates: /path/file.tar.bz2
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compression: bz2
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'''
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RETURN = '''
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state:
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description:
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The current state of the archived file.
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If 'absent', then no source files were found and the archive does not exist.
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If 'compress', then the file source file is in the compressed state.
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If 'archive', then the source file or paths are currently archived.
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If 'incomplete', then an archive was created, but not all source paths were found.
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type: string
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returned: always
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missing:
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description: Any files that were missing from the source.
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type: list
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returned: success
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archived:
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description: Any files that were compressed or added to the archive.
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type: list
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returned: success
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arcroot:
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description: The archive root.
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type: string
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expanded_paths:
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description: The list of matching paths from paths argument.
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type: list
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'''
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import stat
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import os
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import errno
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import glob
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import shutil
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import gzip
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import bz2
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import filecmp
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import zipfile
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import tarfile
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def main():
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module = AnsibleModule(
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argument_spec = dict(
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path = dict(type='list', required=True),
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compression = dict(choices=['gz', 'bz2', 'zip'], default='gz', required=False),
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creates = dict(required=False),
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remove = dict(required=False, default=False, type='bool'),
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),
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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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paths = params['path']
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creates = params['creates']
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remove = params['remove']
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expanded_paths = []
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compression = params['compression']
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globby = False
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changed = False
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state = 'absent'
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# Simple or archive file compression (inapplicable with 'zip')
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archive = False
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successes = []
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for i, path in enumerate(paths):
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path = os.path.expanduser(path)
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# Detect glob-like characters
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if any((c in set('*?')) for c in path):
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expanded_paths = expanded_paths + glob.glob(path)
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else:
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expanded_paths.append(path)
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if len(expanded_paths) == 0:
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module.fail_json(path=', '.join(paths), expanded_paths=', '.join(expanded_paths), msg='Error, no source paths were found')
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# If we actually matched multiple files or TRIED to, then
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# treat this as a multi-file archive
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archive = globby or len(expanded_paths) > 1 or any(os.path.isdir(path) for path in expanded_paths)
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# Default created file name (for single-file archives) to
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# <file>.<compression>
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if not archive and not creates:
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creates = '%s.%s' % (expanded_paths[0], compression)
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# Force archives to specify 'creates'
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if archive and not creates:
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module.fail_json(creates=creates, path=', '.join(paths), msg='Error, must specify "creates" when archiving multiple files or trees')
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archive_paths = []
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missing = []
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exclude = []
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arcroot = ''
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for path in expanded_paths:
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# Use the longest common directory name among all the files
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# as the archive root path
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if arcroot == '':
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arcroot = os.path.dirname(path) + os.sep
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else:
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for i in xrange(len(arcroot)):
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if path[i] != arcroot[i]:
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break
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if i < len(arcroot):
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arcroot = os.path.dirname(arcroot[0:i+1])
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# Don't allow archives to be created anywhere within paths to be removed
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if remove and os.path.isdir(path) and creates.startswith(path):
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module.fail_json(path=', '.join(paths), msg='Error, created archive can not be contained in source paths when remove=True')
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if os.path.lexists(path):
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archive_paths.append(path)
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else:
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missing.append(path)
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# No source files were found but the named archive exists: are we 'compress' or 'archive' now?
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if len(missing) == len(expanded_paths) and creates and os.path.exists(creates):
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# Just check the filename to know if it's an archive or simple compressed file
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if re.search(r'(\.tar\.gz|\.tgz|.tbz2|\.tar\.bz2|\.zip)$', os.path.basename(creates), re.IGNORECASE):
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state = 'archive'
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else:
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state = 'compress'
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# Multiple files, or globbiness
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elif archive:
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if len(archive_paths) == 0:
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# No source files were found, but the archive is there.
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if os.path.lexists(creates):
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state = 'archive'
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elif len(missing) > 0:
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# SOME source files were found, but not all of them
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state = 'incomplete'
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archive = None
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size = 0
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errors = []
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if os.path.lexists(creates):
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size = os.path.getsize(creates)
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if state != 'archive':
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try:
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# Easier compression using tarfile module
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if compression == 'gz' or compression == 'bz2':
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archive = tarfile.open(creates, 'w|' + compression)
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for path in archive_paths:
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basename = ''
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# Prefix trees in the archive with their basename, unless specifically prevented with '.'
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if os.path.isdir(path) and not path.endswith(os.sep + '.'):
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basename = os.path.basename(path) + os.sep
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archive.add(path, path[len(arcroot):], filter=lambda f: not filecmp.cmp(f.name, creates) and f)
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successes.append(path)
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# Slightly more difficult (and less efficient!) compression using zipfile module
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elif compression == 'zip':
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archive = zipfile.ZipFile(creates, 'w', zipfile.ZIP_DEFLATED)
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for path in archive_paths:
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basename = ''
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# Prefix trees in the archive with their basename, unless specifically prevented with '.'
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if os.path.isdir(path) and not path.endswith(os.sep + '.'):
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basename = os.path.basename(path) + os.sep
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for dirpath, dirnames, filenames in os.walk(path, topdown=True):
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for dirname in dirnames:
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archive.write(dirpath + os.sep + dirname, basename + dirname)
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for filename in filenames:
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fullpath = dirpath + os.sep + filename
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if not filecmp.cmp(fullpath, creates):
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archive.write(fullpath, basename + filename)
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successes.append(path)
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except OSError:
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e = get_exception()
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module.fail_json(msg='Error when writing zip archive at %s: %s' % (creates, str(e)))
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if archive:
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archive.close()
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state = 'archive'
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if state in ['archive', 'incomplete'] and remove:
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for path in successes:
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try:
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if os.path.isdir(path):
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shutil.rmtree(path)
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else:
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os.remove(path)
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except OSError:
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e = get_exception()
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errors.append(path)
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if len(errors) > 0:
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module.fail_json(creates=creates, msg='Error deleting some source files: ' + str(e), files=errors)
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# Rudimentary check: If size changed then file changed. Not perfect, but easy.
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if os.path.getsize(creates) != size:
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changed = True
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if len(successes) and state != 'incomplete':
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state = 'archive'
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# Simple, single-file compression
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else:
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path = expanded_paths[0]
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# No source or compressed file
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if not (os.path.exists(path) or os.path.lexists(creates)):
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state = 'absent'
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# if it already exists and the source file isn't there, consider this done
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elif not os.path.lexists(path) and os.path.lexists(creates):
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state = 'compress'
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else:
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if module.check_mode:
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if not os.path.exists(creates):
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changed = True
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else:
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size = 0
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f_in = f_out = archive = None
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if os.path.lexists(creates):
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size = os.path.getsize(creates)
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try:
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if compression == 'zip':
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archive = zipfile.ZipFile(creates, 'w', zipfile.ZIP_DEFLATED)
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archive.write(path, path[len(arcroot):])
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archive.close()
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state = 'archive' # because all zip files are archives
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else:
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f_in = open(path, 'rb')
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if compression == 'gz':
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f_out = gzip.open(creates, 'wb')
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elif compression == 'bz2':
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f_out = bz2.BZ2File(creates, 'wb')
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else:
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raise OSError("Invalid compression")
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shutil.copyfileobj(f_in, f_out)
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successes.append(path)
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except OSError:
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e = get_exception()
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module.fail_json(path=path, creates=creates, msg='Unable to write to compressed file: %s' % str(e))
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if archive:
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archive.close()
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if f_in:
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f_in.close()
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if f_out:
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f_out.close()
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# Rudimentary check: If size changed then file changed. Not perfect, but easy.
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if os.path.getsize(creates) != size:
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changed = True
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state = 'compress'
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if remove:
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try:
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os.remove(path)
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except OSError:
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e = get_exception()
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module.fail_json(path=path, msg='Unable to remove source file: %s' % str(e))
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module.exit_json(archived=successes, creates=creates, changed=changed, state=state, arcroot=arcroot, missing=missing, expanded_paths=expanded_paths)
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# import module snippets
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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