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File Stat

Monitor whether a file exists and various attributes of that file. Also works on directories, links, pipes, sockets, device files.
Overview
This plugin is able to report the following metrics:
- status: The path’s status, -3 EACCES (permission denied), -2 ENOENT (does not exist), -1 UNKNOWN, 1 OK (exists and can read stats)
- ctime: Change time of file in UTC
- ctime_diff: The ctime difference from now, in seconds
- mtime: Modification time of file in UTC (seconds since epoch)
- mtime_diff: The mtime difference from now, in seconds
- atime: Last access time of file in UTC (seconds since epoch)
- atime_diff: The atime difference from now, in seconds
- blksize: The native file system’s block size where file resides
- blocks: The number of native file system blocks allocated for file
- dev: An integer representing the device on which stat resides
- ftype: Identifies the type of file: unknown=-1, file=1, directory=2, characterSpecial=3, blockSpecial=4, fifo=5, link=6, socket=7
- gid: The numeric group id of the owner of file
- inode: The inode number for file
- mode: Integer representing the permission bits of file. Platform dependent; on Unix systems, see stat(2)
- nlink: The number of hard links to file
- setgid: 1 (true) if file has the set-group-id permission bit set, 0 (false) otherwise
- setuid: 1 (true) if file has the set-user-id permission bit set, 0 (false) otherwise
- size: The size of file in bytes
- sticky: 1 (true) if file has its sticky bit set, 0 (false) otherwise
- uid: The numeric user id of the owner