(*

Module: Kdump

  Parses /etc/kdump.conf

Author: Roman Rakus <rrakus@redhat.com>

About: References

  manual page kdump.conf(5)

About: License

   This file is licenced under the LGPL v2+, like the rest of Augeas.

About: Configuration files

   This lens applies to /etc/kdump.conf. See <filter>.

*)

module Kdump =

  autoload xfm

(************************************************************************

 * Group:                 USEFUL PRIMITIVES

 *************************************************************************)

let empty = Util.empty

let comment = Util.comment

let value_to_eol = store /[^ \t\n#][^\n#]*[^ \t\n#]|[^ \t\n#]/

let int_to_eol = store Rx.integer

let delimiter = Util.del_ws_spc

let eol = Util.eol

let value_to_spc = store Rx.neg1

let key_to_space = key /[A-Za-z0-9_.\$-]+/

let eq = Sep.equal

(************************************************************************

 * Group:                 ENTRY TYPES

 *************************************************************************)

let list (kw:string) = counter kw

                     . Build.key_value_line_comment kw delimiter

                         (Build.opt_list [ seq kw . value_to_spc ] delimiter)

                         comment

let mdl_key_value = [ delimiter . key_to_space . ( eq . value_to_spc)? ]

let mdl_options = [ key_to_space . mdl_key_value+ ]

let mod_options = [ key "options" . delimiter . mdl_options . (comment|eol) ]

(************************************************************************

 * Group:                 ENTRIES

 *************************************************************************)

(* Got from mount(8) *)

let fs_types = "adfs" | "affs" | "autofs" | "cifs" | "coda" | "coherent"

             | "cramfs" | "debugfs" | "devpts" | "efs" | "ext" | "ext2"

             | "ext3" | "ext4" | "hfs" | "hfsplus" | "hpfs" | "iso9660"

             | "jfs" | "minix" | "msdos" | "ncpfs" | "nfs" | "nfs4" | "ntfs"

             | "proc" | "qnx4" | "ramfs" | "reiserfs" | "romfs" | "squashfs"

             | "smbfs" | "sysv" | "tmpfs" | "ubifs" | "udf" | "ufs" | "umsdos"

             | "usbfs" | "vfat" | "xenix" | "xfs" | "xiafs"

let simple_kws = "raw" | "net" | "path" | "core_collector" | "kdump_post"

               | "kdump_pre" | "default" | "ssh" | "sshkey" | "dracut_args"

               | "fence_kdump_args"

let int_kws = "force_rebuild" | "override_resettable" | "debug_mem_level"

            | "link_delay" | "disk_timeout"

let option = Build.key_value_line_comment ( simple_kws | fs_types )

                                          delimiter value_to_eol comment

           | Build.key_value_line_comment int_kws delimiter int_to_eol comment

           | list "extra_bins"

           | list "extra_modules"

           | list "blacklist"

           | list "fence_kdump_nodes"

           | mod_options

(* View: lns

   The options lens

*)

let lns = ( empty | comment | option )*

let filter = incl "/etc/kdump.conf"

let xfm = transform lns filter