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# 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: stat version_added: "1.3" short_description: Retrieve file or file system status description: - Retrieves facts for a file similar to the Linux/Unix 'stat' command. - For Windows targets, use the M(ansible.windows.win_stat) module instead. options: path: description: - The full path of the file/object to get the facts of. type: path required: true aliases: [ dest, name ] follow: description: - Whether to follow symlinks. type: bool default: no get_checksum: description: - Whether to return a checksum of the file. type: bool default: yes version_added: "1.8" checksum_algorithm: description: - Algorithm to determine checksum of file. - Will throw an error if the host is unable to use specified algorithm. - The remote host has to support the hashing method specified, C(md5) can be unavailable if the host is FIPS-140 compliant. type: str choices: [ md5, sha1, sha224, sha256, sha384, sha512 ] default: sha1 aliases: [ checksum, checksum_algo ] version_added: "2.0" get_mime: description: - Use file magic and return data about the nature of the file. this uses the 'file' utility found on most Linux/Unix systems. - This will add both C(mimetype) and C(charset) fields to the return, if possible. - In Ansible 2.3 this option changed from I(mime) to I(get_mime) and the default changed to C(true). type: bool default: yes aliases: [ mime, mime_type, mime-type ] version_added: "2.1" get_attributes: description: - Get file attributes using lsattr tool if present. type: bool default: yes aliases: [ attr, attributes ] version_added: "2.3" extends_documentation_fragment: - action_common_attributes attributes: check_mode: support: full diff_mode: support: none platform: platforms: posix seealso: - module: ansible.builtin.file - module: ansible.windows.win_stat author: Bruce Pennypacker (@bpennypacker) ''' EXAMPLES = r''' # Obtain the stats of /etc/foo.conf, and check that the file still belongs # to 'root'. Fail otherwise. - name: Get stats of a file ansible.builtin.stat: path: /etc/foo.conf register: st - name: Fail if the file does not belong to 'root' ansible.builtin.fail: msg: "Whoops! file ownership has changed" when: st.stat.pw_name != 'root' # Determine if a path exists and is a symlink. Note that if the path does # not exist, and we test sym.stat.islnk, it will fail with an error. So # therefore, we must test whether it is defined. # Run this to understand the structure, the skipped ones do not pass the # check performed by 'when' - name: Get stats of the FS object ansible.builtin.stat: path: /path/to/something register: sym - name: Print a debug message ansible.builtin.debug: msg: "islnk isn't defined (path doesn't exist)" when: sym.stat.islnk is not defined - name: Print a debug message ansible.builtin.debug: msg: "islnk is defined (path must exist)" when: sym.stat.islnk is defined - name: Print a debug message ansible.builtin.debug: msg: "Path exists and is a symlink" when: sym.stat.islnk is defined and sym.stat.islnk - name: Print a debug message ansible.builtin.debug: msg: "Path exists and isn't a symlink" when: sym.stat.islnk is defined and sym.stat.islnk == False # Determine if a path exists and is a directory. Note that we need to test # both that p.stat.isdir actually exists, and also that it's set to true. - name: Get stats of the FS object ansible.builtin.stat: path: /path/to/something register: p - name: Print a debug message ansible.builtin.debug: msg: "Path exists and is a directory" when: p.stat.isdir is defined and p.stat.isdir - name: Do not calculate the checksum ansible.builtin.stat: path: /path/to/myhugefile get_checksum: no - name: Use sha256 to calculate the checksum ansible.builtin.stat: path: /path/to/something checksum_algorithm: sha256 ''' RETURN = r''' stat: description: Dictionary containing all the stat data, some platforms might add additional fields. returned: success type: complex contains: exists: description: If the destination path actually exists or not returned: success type: bool sample: True path: description: The full path of the file/object to get the facts of returned: success and if path exists type: str sample: '/path/to/file' mode: description: Unix permissions of the file in octal representation as a string returned: success, path exists and user can read stats type: str sample: 1755 isdir: description: Tells you if the path is a directory returned: success, path exists and user can read stats type: bool sample: False ischr: description: Tells you if the path is a character device returned: success, path exists and user can read stats type: bool sample: False isblk: description: Tells you if the path is a block device returned: success, path exists and user can read stats type: bool sample: False isreg: description: Tells you if the path is a regular file returned: success, path exists and user can read stats type: bool sample: True isfifo: description: Tells you if the path is a named pipe returned: success, path exists and user can read stats type: bool sample: False islnk: description: Tells you if the path is a symbolic link returned: success, path exists and user can read stats type: bool sample: False issock: description: Tells you if the path is a unix domain socket returned: success, path exists and user can read stats type: bool sample: False uid: description: Numeric id representing the file owner returned: success, path exists and user can read stats type: int sample: 1003 gid: description: Numeric id representing the group of the owner returned: success, path exists and user can read stats type: int sample: 1003 size: description: Size in bytes for a plain file, amount of data for some special files returned: success, path exists and user can read stats type: int sample: 203 inode: description: Inode number of the path returned: success, path exists and user can read stats type: int sample: 12758 dev: description: Device the inode resides on returned: success, path exists and user can read stats type: int sample: 33 nlink: description: Number of links to the inode (hard links) returned: success, path exists and user can read stats type: int sample: 1 atime: description: Time of last access returned: success, path exists and user can read stats type: float sample: 1424348972.575 mtime: description: Time of last modification returned: success, path exists and user can read stats type: float sample: 1424348972.575 ctime: description: Time of last metadata update or creation (depends on OS) returned: success, path exists and user can read stats type: float sample: 1424348972.575 wusr: description: Tells you if the owner has write permission returned: success, path exists and user can read stats type: bool sample: True rusr: description: Tells you if the owner has read permission returned: success, path exists and user can read stats type: bool sample: True xusr: description: Tells you if the owner has execute permission returned: success, path exists and user can read stats type: bool sample: True wgrp: description: Tells you if the owner's group has write permission returned: success, path exists and user can read stats type: bool sample: False rgrp: description: Tells you if the owner's group has read permission returned: success, path exists and user can read stats type: bool sample: True xgrp: description: Tells you if the owner's group has execute permission returned: success, path exists and user can read stats type: bool sample: True woth: description: Tells you if others have write permission returned: success, path exists and user can read stats type: bool sample: False roth: description: Tells you if others have read permission returned: success, path exists and user can read stats type: bool sample: True xoth: description: Tells you if others have execute permission returned: success, path exists and user can read stats type: bool sample: True isuid: description: Tells you if the invoking user's id matches the owner's id returned: success, path exists and user can read stats type: bool sample: False isgid: description: Tells you if the invoking user's group id matches the owner's group id returned: success, path exists and user can read stats type: bool sample: False lnk_source: description: Target of the symlink normalized for the remote filesystem returned: success, path exists and user can read stats and the path is a symbolic link type: str sample: /home/foobar/21102015-1445431274-908472971 lnk_target: description: Target of the symlink. Note that relative paths remain relative returned: success, path exists and user can read stats and the path is a symbolic link type: str sample: ../foobar/21102015-1445431274-908472971 version_added: 2.4 md5: description: md5 hash of the file; this will be removed in Ansible 2.9 in favor of the checksum return value returned: success, path exists and user can read stats and path supports hashing and md5 is supported type: str sample: f88fa92d8cf2eeecf4c0a50ccc96d0c0 checksum: description: hash of the file returned: success, path exists, user can read stats, path supports hashing and supplied checksum algorithm is available type: str sample: 50ba294cdf28c0d5bcde25708df53346825a429f pw_name: description: User name of owner returned: success, path exists, user can read stats, owner name can be looked up and installed python supports it type: str sample: httpd gr_name: description: Group name of owner returned: success, path exists, user can read stats, owner group can be looked up and installed python supports it type: str sample: www-data mimetype: description: file magic data or mime-type returned: success, path exists and user can read stats and installed python supports it and the I(get_mime) option was true, will return C(unknown) on error. type: str sample: application/pdf; charset=binary charset: description: file character set or encoding returned: success, path exists and user can read stats and installed python supports it and the I(get_mime) option was true, will return C(unknown) on error. type: str sample: us-ascii readable: description: Tells you if the invoking user has the right to read the path returned: success, path exists and user can read the path type: bool sample: False version_added: 2.2 writeable: description: Tells you if the invoking user has the right to write the path returned: success, path exists and user can write the path type: bool sample: False version_added: 2.2 executable: description: Tells you if the invoking user has execute permission on the path returned: success, path exists and user can execute the path type: bool sample: False version_added: 2.2 attributes: description: list of file attributes returned: success, path exists and user can execute the path type: list sample: [ immutable, extent ] version_added: 2.3 version: description: The version/generation attribute of a file according to the filesystem returned: success, path exists, user can execute the path, lsattr is available and filesystem supports type: str sample: "381700746" version_added: 2.3 ''' import errno import grp import os import pwd import stat # import module snippets from ansible.module_utils.basic import AnsibleModule from ansible.module_utils._text import to_bytes def format_output(module, path, st): mode = st.st_mode # back to ansible output = dict( exists=True, path=path, mode="%04o" % stat.S_IMODE(mode), isdir=stat.S_ISDIR(mode), ischr=stat.S_ISCHR(mode), isblk=stat.S_ISBLK(mode), isreg=stat.S_ISREG(mode), isfifo=stat.S_ISFIFO(mode), islnk=stat.S_ISLNK(mode), issock=stat.S_ISSOCK(mode), uid=st.st_uid, gid=st.st_gid, size=st.st_size, inode=st.st_ino, dev=st.st_dev, nlink=st.st_nlink, atime=st.st_atime, mtime=st.st_mtime, ctime=st.st_ctime, wusr=bool(mode & stat.S_IWUSR), rusr=bool(mode & stat.S_IRUSR), xusr=bool(mode & stat.S_IXUSR), wgrp=bool(mode & stat.S_IWGRP), rgrp=bool(mode & stat.S_IRGRP), xgrp=bool(mode & stat.S_IXGRP), woth=bool(mode & stat.S_IWOTH), roth=bool(mode & stat.S_IROTH), xoth=bool(mode & stat.S_IXOTH), isuid=bool(mode & stat.S_ISUID), isgid=bool(mode & stat.S_ISGID), ) # Platform dependent flags: for other in [ # Some Linux ('st_blocks', 'blocks'), ('st_blksize', 'block_size'), ('st_rdev', 'device_type'), ('st_flags', 'flags'), # Some Berkley based ('st_gen', 'generation'), ('st_birthtime', 'birthtime'), # RISCOS ('st_ftype', 'file_type'), ('st_attrs', 'attrs'), ('st_obtype', 'object_type'), # macOS ('st_rsize', 'real_size'), ('st_creator', 'creator'), ('st_type', 'file_type'), ]: if hasattr(st, other[0]): output[other[1]] = getattr(st, other[0]) return output def main(): module = AnsibleModule( argument_spec=dict( path=dict(type='path', required=True, aliases=['dest', 'name']), follow=dict(type='bool', default=False), get_md5=dict(type='bool', default=False), get_checksum=dict(type='bool', default=True), get_mime=dict(type='bool', default=True, aliases=['mime', 'mime_type', 'mime-type']), get_attributes=dict(type='bool', default=True, aliases=['attr', 'attributes']), checksum_algorithm=dict(type='str', default='sha1', choices=['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512'], aliases=['checksum', 'checksum_algo']), ), supports_check_mode=True, ) path = module.params.get('path') b_path = to_bytes(path, errors='surrogate_or_strict') follow = module.params.get('follow') get_mime = module.params.get('get_mime') get_attr = module.params.get('get_attributes') get_checksum = module.params.get('get_checksum') checksum_algorithm = module.params.get('checksum_algorithm') # NOTE: undocumented option since 2.9 to be removed at a later date if possible (3.0+) # no real reason for keeping other than fear we may break older content. get_md5 = module.params.get('get_md5') # main stat data try: if follow: st = os.stat(b_path) else: st = os.lstat(b_path) except OSError as e: if e.errno == errno.ENOENT: output = {'exists': False} module.exit_json(changed=False, stat=output) module.fail_json(msg=e.strerror) # process base results output = format_output(module, path, st) # resolved permissions for perm in [('readable', os.R_OK), ('writeable', os.W_OK), ('executable', os.X_OK)]: output[perm[0]] = os.access(b_path, perm[1]) # symlink info if output.get('islnk'): output['lnk_source'] = os.path.realpath(b_path) output['lnk_target'] = os.readlink(b_path) try: # user data pw = pwd.getpwuid(st.st_uid) output['pw_name'] = pw.pw_name except (TypeError, KeyError): pass try: # group data grp_info = grp.getgrgid(st.st_gid) output['gr_name'] = grp_info.gr_name except (KeyError, ValueError, OverflowError): pass # checksums if output.get('isreg') and output.get('readable'): # NOTE: see above about get_md5 if get_md5: # Will fail on FIPS-140 compliant systems try: output['md5'] = module.md5(b_path) except ValueError: output['md5'] = None if get_checksum: output['checksum'] = module.digest_from_file(b_path, checksum_algorithm) # try to get mime data if requested if get_mime: output['mimetype'] = output['charset'] = 'unknown' mimecmd = module.get_bin_path('file') if mimecmd: mimecmd = [mimecmd, '--mime-type', '--mime-encoding', b_path] try: rc, out, err = module.run_command(mimecmd) if rc == 0: mimetype, charset = out.rsplit(':', 1)[1].split(';') output['mimetype'] = mimetype.strip() output['charset'] = charset.split('=')[1].strip() except Exception: pass # try to get attr data if get_attr: output['version'] = None output['attributes'] = [] output['attr_flags'] = '' out = module.get_file_attributes(b_path) for x in ('version', 'attributes', 'attr_flags'): if x in out: output[x] = out[x] module.exit_json(changed=False, stat=output) if __name__ == '__main__': main()