Sharp.Augeas/Sharp.Augeas.Test/lens/automaster.aug

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2022-11-08 20:57:02 +03:00
(*
Module: Automaster
Parses autofs' auto.master files
Author: Dominic Cleal <dcleal@redhat.com>
About: Reference
See auto.master(5)
About: License
This file is licenced under the LGPL v2+, like the rest of Augeas.
About: Lens Usage
To be documented
About: Configuration files
This lens applies to /etc/auto.master, auto_master and /etc/auto.master.d/*
files.
About: Examples
The <Test_Automaster> file contains various examples and tests.
*)
module Automaster =
autoload xfm
(************************************************************************
* Group: USEFUL PRIMITIVES
*************************************************************************)
(* View: eol *)
let eol = Util.eol
(* View: empty *)
let empty = Util.empty
(* View: comment *)
let comment = Util.comment
(* View mount *)
let mount = /[^+ \t\n#]+/
(* View: type
yp, file, dir etc but not ldap *)
let type = Rx.word - /ldap/
(* View: format
sun, hesoid *)
let format = Rx.word
(* View: name *)
let name = /[^: \t\n]+/
(* View: host *)
let host = /[^:# \n\t]+/
(* View: dn *)
let dn = /[^:# \n\t]+/
(* An option label can't contain comma, comment, equals, or space *)
let optlabel = /[^,#= \n\t]+/
let spec = /[^,# \n\t][^ \n\t]*/
(* View: optsep *)
let optsep = del /[ \t,]+/ ","
(************************************************************************
* Group: ENTRIES
*************************************************************************)
(* View: map_format *)
let map_format = [ label "format" . store format ]
(* View: map_type *)
let map_type = [ label "type" . store type ]
(* View: map_name *)
let map_name = [ label "map" . store name ]
(* View: map_generic
Used for all except LDAP maps which are parsed further *)
let map_generic = ( map_type . ( Sep.comma . map_format )? . Sep.colon )?
. map_name
(* View: map_ldap_name
Split up host:dc=foo into host/map nodes *)
let map_ldap_name = ( [ label "host" . store host ] . Sep.colon )?
. [ label "map" . store dn ]
(* View: map_ldap *)
let map_ldap = [ label "type" . store "ldap" ]
. ( Sep.comma . map_format )? . Sep.colon
. map_ldap_name
(* View: comma_spc_sep_list
Parses options either for filesystems or autofs *)
let comma_spc_sep_list (l:string) =
let value = [ label "value" . Util.del_str "=" . store Rx.neg1 ] in
let lns = [ label l . store optlabel . value? ] in
Build.opt_list lns optsep
(* View: map_mount
Mountpoint and whitespace, followed by the map info *)
let map_mount = [ seq "map" . store mount . Util.del_ws_tab
. ( map_generic | map_ldap )
. ( Util.del_ws_spc . comma_spc_sep_list "opt" )?
. Util.eol ]
(* map_master
"+" to include more master entries and optional whitespace *)
let map_master = [ seq "map" . store "+" . Util.del_opt_ws ""
. ( map_generic | map_ldap )
. ( Util.del_ws_spc . comma_spc_sep_list "opt" )?
. Util.eol ]
(* View: lns *)
let lns = ( empty | comment | map_mount | map_master ) *
(* Variable: filter *)
let filter = incl "/etc/auto.master"
. incl "/etc/auto_master"
. incl "/etc/auto.master.d/*"
. Util.stdexcl
let xfm = transform lns filter