Edit File: automounter.aug
(* Module: Automounter Parses automounter file based maps Author: Dominic Cleal <dcleal@redhat.com> About: Reference See autofs(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.*, auto_*, excluding known scripts. About: Examples The <Test_Automounter> file contains various examples and tests. *) module Automounter = autoload xfm (************************************************************************ * Group: USEFUL PRIMITIVES *************************************************************************) (* View: eol *) let eol = Util.eol (* View: empty *) let empty = Util.empty (* View: comment *) let comment = Util.comment (* View: path *) let path = /[^-+#: \t\n][^#: \t\n]*/ (* View: hostname *) let hostname = /[^-:#\(\), \n\t][^:#\(\), \n\t]*/ (* An option label can't contain comma, comment, equals, or space *) let optlabel = /[^,#:\(\)= \n\t]+/ let spec = /[^,#:\(\)= \n\t][^ \n\t]*/ (* View: weight *) let weight = Rx.integer (* View: map_name *) let map_name = /[^: \t\n]+/ (* View: entry_multimount_sep Separator for multimount entries, permits line spanning with "\" *) let entry_multimount_sep = del /[ \t]+(\\\\[ \t]*\n[ \t]+)?/ " " (************************************************************************ * Group: ENTRIES *************************************************************************) (* View: entry_key Key for a map entry *) let entry_mkey = store path (* View: entry_path Path component of an entry location *) let entry_path = [ label "path" . store path ] (* View: entry_host Host component with optional weight of an entry location *) let entry_host = [ label "host" . store hostname . ( Util.del_str "(" . [ label "weight" . store weight ] . Util.del_str ")" )? ] (* View: comma_sep_list Parses options for filesystems *) let comma_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 Sep.comma (* View: entry_options *) let entry_options = Util.del_str "-" . comma_sep_list "opt" . Util.del_ws_tab (* View: entry_location A single location with one or more hosts, and one path *) let entry_location = ( entry_host . ( Sep.comma . entry_host )* )? . Sep.colon . entry_path (* View: entry_locations Multiple locations (each with one or more hosts), separated by spaces *) let entry_locations = [ label "location" . counter "location" . [ seq "location" . entry_location ] . ( [ Util.del_ws_spc . seq "location" . entry_location ] )* ] (* View: entry_multimount Parses one of many mountpoints given for a multimount line *) let entry_multimount = entry_mkey . Util.del_ws_tab . entry_options? . entry_locations (* View: entry_multimounts Parses multiple mountpoints given on an entry line *) let entry_multimounts = [ label "mount" . counter "mount" . [ seq "mount" . entry_multimount ] . ( [ entry_multimount_sep . seq "mount" . entry_multimount ] )* ] (* View: entry A single map entry from start to finish, including multi-mounts *) let entry = [ seq "entry" . entry_mkey . Util.del_ws_tab . entry_options? . ( entry_locations | entry_multimounts ) . Util.eol ] (* View: include An include line starting with a "+" and a map name *) let include = [ seq "entry" . store "+" . Util.del_opt_ws "" . [ label "map" . store map_name ] . Util.eol ] (* View: lns *) let lns = ( empty | comment | entry | include ) * (* Variable: filter Exclude scripts/executable maps from here *) let filter = incl "/etc/auto.*" . incl "/etc/auto_*" . excl "/etc/auto.master" . excl "/etc/auto_master" . excl "/etc/auto.net" . excl "/etc/auto.smb" . Util.stdexcl let xfm = transform lns filter