#!/usr/bin/python # -*- coding: utf-8 -*- # Copyright: (c) 2016, Ben Doherty <bendohmv@gmail.com> # Sponsored by Oomph, Inc. http://www.oomphinc.com # Copyright: (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 = r''' --- module: archive short_description: Creates a compressed archive of one or more files or trees extends_documentation_fragment: files description: - Creates or extends an archive. - The source and archive are on the remote host, and the archive I(is not) copied to the local host. - Source files can be deleted after archival by specifying I(remove=True). options: path: description: - Remote absolute path, glob, or list of paths or globs for the file or files to compress or archive. type: list elements: path required: true format: description: - The type of compression to use. - Support for xz was added in Ansible 2.5. type: str choices: [ bz2, gz, tar, xz, zip ] default: gz dest: description: - The file name of the destination archive. The parent directory must exists on the remote host. - This is required when C(path) refers to multiple files by either specifying a glob, a directory or multiple paths in a list. type: path exclude_path: description: - Remote absolute path, glob, or list of paths or globs for the file or files to exclude from I(path) list and glob expansion. type: list elements: path force_archive: description: - Allow you to force the module to treat this as an archive even if only a single file is specified. - By default behaviour is maintained. i.e A when a single file is specified it is compressed only (not archived). type: bool default: false remove: description: - Remove any added source files and trees after adding to archive. type: bool default: no notes: - Requires tarfile, zipfile, gzip and bzip2 packages on target host. - Requires lzma or backports.lzma if using xz format. - Can produce I(gzip), I(bzip2), I(lzma) and I(zip) compressed files or archives. seealso: - module: ansible.builtin.unarchive author: - Ben Doherty (@bendoh) ''' EXAMPLES = r''' - name: Compress directory /path/to/foo/ into /path/to/foo.tgz community.general.archive: path: /path/to/foo dest: /path/to/foo.tgz - name: Compress regular file /path/to/foo into /path/to/foo.gz and remove it community.general.archive: path: /path/to/foo remove: yes - name: Create a zip archive of /path/to/foo community.general.archive: path: /path/to/foo format: zip - name: Create a bz2 archive of multiple files, rooted at /path community.general.archive: path: - /path/to/foo - /path/wong/foo dest: /path/file.tar.bz2 format: bz2 - name: Create a bz2 archive of a globbed path, while excluding specific dirnames community.general.archive: path: - /path/to/foo/* dest: /path/file.tar.bz2 exclude_path: - /path/to/foo/bar - /path/to/foo/baz format: bz2 - name: Create a bz2 archive of a globbed path, while excluding a glob of dirnames community.general.archive: path: - /path/to/foo/* dest: /path/file.tar.bz2 exclude_path: - /path/to/foo/ba* format: bz2 - name: Use gzip to compress a single archive (i.e don't archive it first with tar) community.general.archive: path: /path/to/foo/single.file dest: /path/file.gz format: gz - name: Create a tar.gz archive of a single file. community.general.archive: path: /path/to/foo/single.file dest: /path/file.tar.gz format: gz force_archive: true ''' RETURN = r''' state: description: The current state of the archived file. If 'absent', then no source files were found and the archive does not exist. If 'compress', then the file source file is in the compressed state. If 'archive', then the source file or paths are currently archived. If 'incomplete', then an archive was created, but not all source paths were found. type: str returned: always missing: description: Any files that were missing from the source. type: list returned: success archived: description: Any files that were compressed or added to the archive. type: list returned: success arcroot: description: The archive root. type: str returned: always expanded_paths: description: The list of matching paths from paths argument. type: list returned: always expanded_exclude_paths: description: The list of matching exclude paths from the exclude_path argument. type: list returned: always ''' import bz2 import filecmp import glob import gzip import io import os import re import shutil import tarfile import zipfile from traceback import format_exc from ansible.module_utils.basic import AnsibleModule, missing_required_lib from ansible.module_utils._text import to_bytes, to_native from ansible.module_utils.six import PY3 LZMA_IMP_ERR = None if PY3: try: import lzma HAS_LZMA = True except ImportError: LZMA_IMP_ERR = format_exc() HAS_LZMA = False else: try: from backports import lzma HAS_LZMA = True except ImportError: LZMA_IMP_ERR = format_exc() HAS_LZMA = False def main(): module = AnsibleModule( argument_spec=dict( path=dict(type='list', elements='path', required=True), format=dict(type='str', default='gz', choices=['bz2', 'gz', 'tar', 'xz', 'zip']), dest=dict(type='path'), exclude_path=dict(type='list', elements='path'), force_archive=dict(type='bool', default=False), remove=dict(type='bool', default=False), ), add_file_common_args=True, supports_check_mode=True, ) params = module.params check_mode = module.check_mode paths = params['path'] dest = params['dest'] b_dest = None if not dest else to_bytes(dest, errors='surrogate_or_strict') exclude_paths = params['exclude_path'] remove = params['remove'] b_expanded_paths = [] b_expanded_exclude_paths = [] fmt = params['format'] b_fmt = to_bytes(fmt, errors='surrogate_or_strict') force_archive = params['force_archive'] globby = False changed = False state = 'absent' # Simple or archive file compression (inapplicable with 'zip' since it's always an archive) archive = False b_successes = [] # Fail early if not HAS_LZMA and fmt == 'xz': module.fail_json(msg=missing_required_lib("lzma or backports.lzma", reason="when using xz format"), exception=LZMA_IMP_ERR) module.fail_json(msg="lzma or backports.lzma is required when using xz format.") for path in paths: b_path = to_bytes(path, errors='surrogate_or_strict') # Expand any glob characters. If found, add the expanded glob to the # list of expanded_paths, which might be empty. if (b'*' in b_path or b'?' in b_path): b_expanded_paths.extend(glob.glob(b_path)) globby = True # If there are no glob characters the path is added to the expanded paths # whether the path exists or not else: b_expanded_paths.append(b_path) # Only attempt to expand the exclude paths if it exists if exclude_paths: for exclude_path in exclude_paths: b_exclude_path = to_bytes(exclude_path, errors='surrogate_or_strict') # Expand any glob characters. If found, add the expanded glob to the # list of expanded_paths, which might be empty. if (b'*' in b_exclude_path or b'?' in b_exclude_path): b_expanded_exclude_paths.extend(glob.glob(b_exclude_path)) # If there are no glob character the exclude path is added to the expanded # exclude paths whether the path exists or not. else: b_expanded_exclude_paths.append(b_exclude_path) if not b_expanded_paths: return module.fail_json( path=', '.join(paths), expanded_paths=to_native(b', '.join(b_expanded_paths), errors='surrogate_or_strict'), msg='Error, no source paths were found' ) # Only try to determine if we are working with an archive or not if we haven't set archive to true if not force_archive: # If we actually matched multiple files or TRIED to, then # treat this as a multi-file archive archive = globby or os.path.isdir(b_expanded_paths[0]) or len(b_expanded_paths) > 1 else: archive = True # Default created file name (for single-file archives) to # <file>.<format> if not b_dest and not archive: b_dest = b'%s.%s' % (b_expanded_paths[0], b_fmt) # Force archives to specify 'dest' if archive and not b_dest: module.fail_json(dest=dest, path=', '.join(paths), msg='Error, must specify "dest" when archiving multiple files or trees') b_sep = to_bytes(os.sep, errors='surrogate_or_strict') b_archive_paths = [] b_missing = [] b_arcroot = b'' for b_path in b_expanded_paths: # Use the longest common directory name among all the files # as the archive root path if b_arcroot == b'': b_arcroot = os.path.dirname(b_path) + b_sep else: for i in range(len(b_arcroot)): if b_path[i] != b_arcroot[i]: break if i < len(b_arcroot): b_arcroot = os.path.dirname(b_arcroot[0:i + 1]) b_arcroot += b_sep # Don't allow archives to be created anywhere within paths to be removed if remove and os.path.isdir(b_path): b_path_dir = b_path if not b_path.endswith(b'/'): b_path_dir += b'/' if b_dest.startswith(b_path_dir): module.fail_json( path=', '.join(paths), msg='Error, created archive can not be contained in source paths when remove=True' ) if os.path.lexists(b_path) and b_path not in b_expanded_exclude_paths: b_archive_paths.append(b_path) else: b_missing.append(b_path) # No source files were found but the named archive exists: are we 'compress' or 'archive' now? if len(b_missing) == len(b_expanded_paths) and b_dest and os.path.exists(b_dest): # Just check the filename to know if it's an archive or simple compressed file if re.search(br'(\.tar|\.tar\.gz|\.tgz|\.tbz2|\.tar\.bz2|\.tar\.xz|\.zip)$', os.path.basename(b_dest), re.IGNORECASE): state = 'archive' else: state = 'compress' # Multiple files, or globbiness elif archive: if not b_archive_paths: # No source files were found, but the archive is there. if os.path.lexists(b_dest): state = 'archive' elif b_missing: # SOME source files were found, but not all of them state = 'incomplete' archive = None size = 0 errors = [] if os.path.lexists(b_dest): size = os.path.getsize(b_dest) if state != 'archive': if check_mode: changed = True else: try: # Slightly more difficult (and less efficient!) compression using zipfile module if fmt == 'zip': arcfile = zipfile.ZipFile( to_native(b_dest, errors='surrogate_or_strict', encoding='ascii'), 'w', zipfile.ZIP_DEFLATED, True ) # Easier compression using tarfile module elif fmt == 'gz' or fmt == 'bz2': arcfile = tarfile.open(to_native(b_dest, errors='surrogate_or_strict', encoding='ascii'), 'w|' + fmt) # python3 tarfile module allows xz format but for python2 we have to create the tarfile # in memory and then compress it with lzma. elif fmt == 'xz': arcfileIO = io.BytesIO() arcfile = tarfile.open(fileobj=arcfileIO, mode='w') # Or plain tar archiving elif fmt == 'tar': arcfile = tarfile.open(to_native(b_dest, errors='surrogate_or_strict', encoding='ascii'), 'w') b_match_root = re.compile(br'^%s' % re.escape(b_arcroot)) for b_path in b_archive_paths: if os.path.isdir(b_path): # Recurse into directories for b_dirpath, b_dirnames, b_filenames in os.walk(b_path, topdown=True): if not b_dirpath.endswith(b_sep): b_dirpath += b_sep for b_dirname in b_dirnames: b_fullpath = b_dirpath + b_dirname n_fullpath = to_native(b_fullpath, errors='surrogate_or_strict', encoding='ascii') n_arcname = to_native(b_match_root.sub(b'', b_fullpath), errors='surrogate_or_strict') try: if fmt == 'zip': arcfile.write(n_fullpath, n_arcname) else: arcfile.add(n_fullpath, n_arcname, recursive=False) except Exception as e: errors.append('%s: %s' % (n_fullpath, to_native(e))) for b_filename in b_filenames: b_fullpath = b_dirpath + b_filename n_fullpath = to_native(b_fullpath, errors='surrogate_or_strict', encoding='ascii') n_arcname = to_native(b_match_root.sub(b'', b_fullpath), errors='surrogate_or_strict') try: if fmt == 'zip': arcfile.write(n_fullpath, n_arcname) else: arcfile.add(n_fullpath, n_arcname, recursive=False) b_successes.append(b_fullpath) except Exception as e: errors.append('Adding %s: %s' % (to_native(b_path), to_native(e))) else: path = to_native(b_path, errors='surrogate_or_strict', encoding='ascii') arcname = to_native(b_match_root.sub(b'', b_path), errors='surrogate_or_strict') if fmt == 'zip': arcfile.write(path, arcname) else: arcfile.add(path, arcname, recursive=False) b_successes.append(b_path) except Exception as e: expanded_fmt = 'zip' if fmt == 'zip' else ('tar.' + fmt) module.fail_json( msg='Error when writing %s archive at %s: %s' % (expanded_fmt, dest, to_native(e)), exception=format_exc() ) if arcfile: arcfile.close() state = 'archive' if fmt == 'xz': with lzma.open(b_dest, 'wb') as f: f.write(arcfileIO.getvalue()) arcfileIO.close() if errors: module.fail_json(msg='Errors when writing archive at %s: %s' % (dest, '; '.join(errors))) if state in ['archive', 'incomplete'] and remove: for b_path in b_successes: try: if os.path.isdir(b_path): shutil.rmtree(b_path) elif not check_mode: os.remove(b_path) except OSError as e: errors.append(to_native(b_path)) for b_path in b_expanded_paths: try: if os.path.isdir(b_path): shutil.rmtree(b_path) except OSError as e: errors.append(to_native(b_path)) if errors: module.fail_json(dest=dest, msg='Error deleting some source files: ', files=errors) # Rudimentary check: If size changed then file changed. Not perfect, but easy. if not check_mode and os.path.getsize(b_dest) != size: changed = True if b_successes and state != 'incomplete': state = 'archive' # Simple, single-file compression else: b_path = b_expanded_paths[0] # No source or compressed file if not (os.path.exists(b_path) or os.path.lexists(b_dest)): state = 'absent' # if it already exists and the source file isn't there, consider this done elif not os.path.lexists(b_path) and os.path.lexists(b_dest): state = 'compress' else: if module.check_mode: if not os.path.exists(b_dest): changed = True else: size = 0 f_in = f_out = arcfile = None if os.path.lexists(b_dest): size = os.path.getsize(b_dest) try: if fmt == 'zip': arcfile = zipfile.ZipFile( to_native(b_dest, errors='surrogate_or_strict', encoding='ascii'), 'w', zipfile.ZIP_DEFLATED, True ) arcfile.write( to_native(b_path, errors='surrogate_or_strict', encoding='ascii'), to_native(b_path[len(b_arcroot):], errors='surrogate_or_strict') ) arcfile.close() state = 'archive' # because all zip files are archives elif fmt == 'tar': arcfile = tarfile.open(to_native(b_dest, errors='surrogate_or_strict', encoding='ascii'), 'w') arcfile.add(to_native(b_path, errors='surrogate_or_strict', encoding='ascii')) arcfile.close() else: f_in = open(b_path, 'rb') n_dest = to_native(b_dest, errors='surrogate_or_strict', encoding='ascii') if fmt == 'gz': f_out = gzip.open(n_dest, 'wb') elif fmt == 'bz2': f_out = bz2.BZ2File(n_dest, 'wb') elif fmt == 'xz': f_out = lzma.LZMAFile(n_dest, 'wb') else: raise OSError("Invalid format") shutil.copyfileobj(f_in, f_out) b_successes.append(b_path) except OSError as e: module.fail_json( path=to_native(b_path), dest=dest, msg='Unable to write to compressed file: %s' % to_native(e), exception=format_exc() ) if arcfile: arcfile.close() if f_in: f_in.close() if f_out: f_out.close() # Rudimentary check: If size changed then file changed. Not perfect, but easy. if os.path.getsize(b_dest) != size: changed = True state = 'compress' if remove and not check_mode: try: os.remove(b_path) except OSError as e: module.fail_json( path=to_native(b_path), msg='Unable to remove source file: %s' % to_native(e), exception=format_exc() ) try: file_args = module.load_file_common_arguments(params, path=b_dest) except TypeError: # The path argument is only supported in Ansible-base 2.10+. Fall back to # pre-2.10 behavior for older Ansible versions. params['path'] = b_dest file_args = module.load_file_common_arguments(params) if not check_mode: changed = module.set_fs_attributes_if_different(file_args, changed) module.exit_json( archived=[to_native(p, errors='surrogate_or_strict') for p in b_successes], dest=dest, changed=changed, state=state, arcroot=to_native(b_arcroot, errors='surrogate_or_strict'), missing=[to_native(p, errors='surrogate_or_strict') for p in b_missing], expanded_paths=[to_native(p, errors='surrogate_or_strict') for p in b_expanded_paths], expanded_exclude_paths=[to_native(p, errors='surrogate_or_strict') for p in b_expanded_exclude_paths], ) if __name__ == '__main__': main()