mirror of
https://github.com/thegeeklab/ansible-later.git
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550 lines
19 KiB
Python
550 lines
19 KiB
Python
#!/usr/bin/python
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# Copyright: (c) 2017, Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['stableinterface'],
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'supported_by': 'core'}
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DOCUMENTATION = r'''
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---
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module: stat
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version_added: "1.3"
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short_description: Retrieve file or file system status
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description:
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- Retrieves facts for a file similar to the linux/unix 'stat' command.
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- For Windows targets, use the M(win_stat) module instead.
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options:
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path:
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description:
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- The full path of the file/object to get the facts of.
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required: true
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follow:
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description:
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- Whether to follow symlinks.
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type: bool
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default: 'no'
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get_md5:
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description:
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- Whether to return the md5 sum of the file.
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- Will return None if not a regular file or if we're
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unable to use md5 (Common for FIPS-140 compliant systems).
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- The default of this option changed from C(yes) to C(no) in Ansible 2.5
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and will be removed altogether in Ansible 2.9.
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- Use C(get_checksum=true) with C(checksum_algorithm=md5) to return an
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md5 hash under the C(checksum) return value.
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type: bool
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default: 'no'
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get_checksum:
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description:
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- Whether to return a checksum of the file (default sha1).
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type: bool
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default: 'yes'
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version_added: "1.8"
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checksum_algorithm:
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description:
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- Algorithm to determine checksum of file. Will throw an error if the
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host is unable to use specified algorithm.
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- The remote host has to support the hashing method specified, C(md5)
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can be unavailable if the host is FIPS-140 compliant.
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choices: [ md5, sha1, sha224, sha256, sha384, sha512 ]
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default: sha1
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aliases: [ checksum, checksum_algo ]
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version_added: "2.0"
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get_mime:
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description:
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- Use file magic and return data about the nature of the file. this uses
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the 'file' utility found on most Linux/Unix systems.
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- This will add both `mime_type` and 'charset' fields to the return, if possible.
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- In 2.3 this option changed from 'mime' to 'get_mime' and the default changed to 'Yes'.
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type: bool
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default: 'yes'
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version_added: "2.1"
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aliases: [ mime, mime_type, mime-type ]
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get_attributes:
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description:
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- Get file attributes using lsattr tool if present.
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type: bool
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default: 'yes'
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version_added: "2.3"
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aliases: [ attr, attributes ]
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notes:
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- For Windows targets, use the M(win_stat) module instead.
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author: Bruce Pennypacker (@bpennypacker)
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'''
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EXAMPLES = '''
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# Obtain the stats of /etc/foo.conf, and check that the file still belongs
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# to 'root'. Fail otherwise.
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- stat:
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path: /etc/foo.conf
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register: st
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- fail:
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msg: "Whoops! file ownership has changed"
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when: st.stat.pw_name != 'root'
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# Determine if a path exists and is a symlink. Note that if the path does
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# not exist, and we test sym.stat.islnk, it will fail with an error. So
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# therefore, we must test whether it is defined.
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# Run this to understand the structure, the skipped ones do not pass the
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# check performed by 'when'
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- stat:
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path: /path/to/something
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register: sym
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- debug:
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msg: "islnk isn't defined (path doesn't exist)"
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when: sym.stat.islnk is not defined
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- debug:
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msg: "islnk is defined (path must exist)"
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when: sym.stat.islnk is defined
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- debug:
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msg: "Path exists and is a symlink"
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when: sym.stat.islnk is defined and sym.stat.islnk
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- debug:
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msg: "Path exists and isn't a symlink"
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when: sym.stat.islnk is defined and sym.stat.islnk == False
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# Determine if a path exists and is a directory. Note that we need to test
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# both that p.stat.isdir actually exists, and also that it's set to true.
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- stat:
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path: /path/to/something
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register: p
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- debug:
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msg: "Path exists and is a directory"
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when: p.stat.isdir is defined and p.stat.isdir
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# Don't do checksum
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- stat:
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path: /path/to/myhugefile
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get_checksum: no
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# Use sha256 to calculate checksum
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- stat:
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path: /path/to/something
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checksum_algorithm: sha256
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'''
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RETURN = r'''
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stat:
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description: dictionary containing all the stat data, some platforms might add additional fields
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returned: success
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type: complex
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contains:
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exists:
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description: if the destination path actually exists or not
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returned: success
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type: boolean
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sample: True
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path:
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description: The full path of the file/object to get the facts of
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returned: success and if path exists
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type: string
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sample: '/path/to/file'
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mode:
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description: Unix permissions of the file in octal
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returned: success, path exists and user can read stats
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type: octal
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sample: 1755
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isdir:
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description: Tells you if the path is a directory
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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ischr:
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description: Tells you if the path is a character device
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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isblk:
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description: Tells you if the path is a block device
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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isreg:
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description: Tells you if the path is a regular file
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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isfifo:
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description: Tells you if the path is a named pipe
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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islnk:
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description: Tells you if the path is a symbolic link
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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issock:
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description: Tells you if the path is a unix domain socket
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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uid:
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description: Numeric id representing the file owner
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returned: success, path exists and user can read stats
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type: int
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sample: 1003
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gid:
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description: Numeric id representing the group of the owner
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returned: success, path exists and user can read stats
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type: int
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sample: 1003
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size:
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description: Size in bytes for a plain file, amount of data for some special files
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returned: success, path exists and user can read stats
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type: int
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sample: 203
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inode:
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description: Inode number of the path
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returned: success, path exists and user can read stats
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type: int
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sample: 12758
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dev:
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description: Device the inode resides on
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returned: success, path exists and user can read stats
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type: int
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sample: 33
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nlink:
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description: Number of links to the inode (hard links)
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returned: success, path exists and user can read stats
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type: int
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sample: 1
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atime:
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description: Time of last access
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returned: success, path exists and user can read stats
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type: float
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sample: 1424348972.575
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mtime:
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description: Time of last modification
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returned: success, path exists and user can read stats
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type: float
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sample: 1424348972.575
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ctime:
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description: Time of last metadata update or creation (depends on OS)
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returned: success, path exists and user can read stats
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type: float
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sample: 1424348972.575
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wusr:
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description: Tells you if the owner has write permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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rusr:
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description: Tells you if the owner has read permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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xusr:
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description: Tells you if the owner has execute permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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wgrp:
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description: Tells you if the owner's group has write permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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rgrp:
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description: Tells you if the owner's group has read permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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xgrp:
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description: Tells you if the owner's group has execute permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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woth:
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description: Tells you if others have write permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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roth:
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description: Tells you if others have read permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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xoth:
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description: Tells you if others have execute permission
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returned: success, path exists and user can read stats
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type: boolean
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sample: True
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isuid:
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description: Tells you if the invoking user's id matches the owner's id
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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isgid:
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description: Tells you if the invoking user's group id matches the owner's group id
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returned: success, path exists and user can read stats
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type: boolean
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sample: False
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lnk_source:
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description: Target of the symlink normalized for the remote filesystem
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returned: success, path exists and user can read stats and the path is a symbolic link
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type: string
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sample: /home/foobar/21102015-1445431274-908472971
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lnk_target:
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description: Target of the symlink. Note that relative paths remain relative
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returned: success, path exists and user can read stats and the path is a symbolic link
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type: string
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sample: ../foobar/21102015-1445431274-908472971
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version_added: 2.4
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md5:
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description: md5 hash of the path; this will be removed in Ansible 2.9 in
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favor of the checksum return value
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returned: success, path exists and user can read stats and path
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supports hashing and md5 is supported
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type: string
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sample: f88fa92d8cf2eeecf4c0a50ccc96d0c0
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checksum:
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description: hash of the path
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returned: success, path exists, user can read stats, path supports
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hashing and supplied checksum algorithm is available
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type: string
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sample: 50ba294cdf28c0d5bcde25708df53346825a429f
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pw_name:
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description: User name of owner
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returned: success, path exists and user can read stats and installed python supports it
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type: string
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sample: httpd
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gr_name:
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description: Group name of owner
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returned: success, path exists and user can read stats and installed python supports it
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type: string
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sample: www-data
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mimetype:
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description: file magic data or mime-type
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returned: success, path exists and user can read stats and
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installed python supports it and the `mime` option was true, will
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return 'unknown' on error.
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type: string
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sample: application/pdf; charset=binary
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charset:
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description: file character set or encoding
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returned: success, path exists and user can read stats and
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installed python supports it and the `mime` option was true, will
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return 'unknown' on error.
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type: string
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sample: us-ascii
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readable:
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description: Tells you if the invoking user has the right to read the path
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returned: success, path exists and user can read the path
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type: boolean
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sample: False
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version_added: 2.2
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writeable:
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description: Tells you if the invoking user has the right to write the path
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returned: success, path exists and user can write the path
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type: boolean
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sample: False
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version_added: 2.2
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executable:
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description: Tells you if the invoking user has the execute the path
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returned: success, path exists and user can execute the path
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type: boolean
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sample: False
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version_added: 2.2
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attributes:
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description: list of file attributes
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returned: success, path exists and user can execute the path
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type: list
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sample: [ immutable, extent ]
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version_added: 2.3
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'''
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import errno
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import grp
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import os
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import pwd
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import stat
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# import module snippets
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_bytes
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def format_output(module, path, st):
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mode = st.st_mode
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# back to ansible
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output = dict(
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exists=True,
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path=path,
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mode="%04o" % stat.S_IMODE(mode),
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isdir=stat.S_ISDIR(mode),
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ischr=stat.S_ISCHR(mode),
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isblk=stat.S_ISBLK(mode),
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isreg=stat.S_ISREG(mode),
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isfifo=stat.S_ISFIFO(mode),
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islnk=stat.S_ISLNK(mode),
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issock=stat.S_ISSOCK(mode),
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uid=st.st_uid,
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gid=st.st_gid,
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size=st.st_size,
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inode=st.st_ino,
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dev=st.st_dev,
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nlink=st.st_nlink,
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atime=st.st_atime,
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mtime=st.st_mtime,
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ctime=st.st_ctime,
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wusr=bool(mode & stat.S_IWUSR),
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rusr=bool(mode & stat.S_IRUSR),
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xusr=bool(mode & stat.S_IXUSR),
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wgrp=bool(mode & stat.S_IWGRP),
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rgrp=bool(mode & stat.S_IRGRP),
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xgrp=bool(mode & stat.S_IXGRP),
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woth=bool(mode & stat.S_IWOTH),
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roth=bool(mode & stat.S_IROTH),
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xoth=bool(mode & stat.S_IXOTH),
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isuid=bool(mode & stat.S_ISUID),
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isgid=bool(mode & stat.S_ISGID),
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)
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# Platform dependent flags:
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for other in [
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# Some Linux
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('st_blocks', 'blocks'),
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('st_blksize', 'block_size'),
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('st_rdev', 'device_type'),
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('st_flags', 'flags'),
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# Some Berkley based
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('st_gen', 'generation'),
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('st_birthtime', 'birthtime'),
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# RISCOS
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('st_ftype', 'file_type'),
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('st_attrs', 'attrs'),
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('st_obtype', 'object_type'),
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# macOS
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('st_rsize', 'real_size'),
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('st_creator', 'creator'),
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('st_type', 'file_type'),
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]:
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if hasattr(st, other[0]):
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output[other[1]] = getattr(st, other[0])
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return output
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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(required=True, type='path'),
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follow=dict(type='bool', default='no'),
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get_md5=dict(type='bool'),
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get_checksum=dict(type='bool', default='yes'),
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get_mime=dict(type='bool', default='yes', aliases=['mime', 'mime_type', 'mime-type']),
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get_attributes=dict(type='bool', default='yes', aliases=['attr', 'attributes']),
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checksum_algorithm=dict(type='str', default='sha1',
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choices=['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512'],
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aliases=['checksum', 'checksum_algo']),
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),
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supports_check_mode=True,
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)
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path = module.params.get('path')
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b_path = to_bytes(path, errors='surrogate_or_strict')
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follow = module.params.get('follow')
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get_mime = module.params.get('get_mime')
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get_attr = module.params.get('get_attributes')
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get_md5 = module.params.get('get_md5')
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# get_md5 will be an undocumented option in 2.9 to be removed at a later
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# date if possible (3.0+)
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if get_md5:
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module.deprecate("get_md5 has been deprecated along with the md5 return value, use "
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"get_checksum=True and checksum_algorithm=md5 instead", 2.9)
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else:
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get_md5 = False
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get_checksum = module.params.get('get_checksum')
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checksum_algorithm = module.params.get('checksum_algorithm')
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# main stat data
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try:
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if follow:
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st = os.stat(b_path)
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else:
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st = os.lstat(b_path)
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except OSError as e:
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if e.errno == errno.ENOENT:
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output = {'exists': False}
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module.exit_json(changed=False, stat=output)
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module.fail_json(msg=e.strerror)
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# process base results
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output = format_output(module, path, st)
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# resolved permissions
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for perm in [('readable', os.R_OK), ('writeable', os.W_OK), ('executable', os.X_OK)]:
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output[perm[0]] = os.access(b_path, perm[1])
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# symlink info
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if output.get('islnk'):
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output['lnk_source'] = os.path.realpath(b_path)
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output['lnk_target'] = os.readlink(b_path)
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try: # user data
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pw = pwd.getpwuid(st.st_uid)
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output['pw_name'] = pw.pw_name
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except:
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pass
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try: # group data
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grp_info = grp.getgrgid(st.st_gid)
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output['gr_name'] = grp_info.gr_name
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except:
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pass
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# checksums
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if output.get('isreg') and output.get('readable'):
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if get_md5:
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# Will fail on FIPS-140 compliant systems
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try:
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output['md5'] = module.md5(b_path)
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|
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, '-i', b_path]
|
|
try:
|
|
rc, out, err = module.run_command(mimecmd)
|
|
if rc == 0:
|
|
mimetype, charset = out.split(':')[1].split(';')
|
|
output['mimetype'] = mimetype.strip()
|
|
output['charset'] = charset.split('=')[1].strip()
|
|
except:
|
|
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()
|