fleet/orbit/pkg/augeas/lenses/solaris_system.aug
2022-12-02 10:19:54 -05:00

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(*
Module: Solaris_System
Parses /etc/system on Solaris
Author: Dominic Cleal <dcleal@redhat.com>
About: Reference
This lens tries to keep as close as possible to `man 4 system` where possible.
About: Licence
This file is licensed under the LGPL v2+, like the rest of Augeas.
About: Lens Usage
About: Configuration files
This lens applies to /etc/system on Solaris. See <filter>.
*)
module Solaris_System =
autoload xfm
(************************************************************************
* Group: USEFUL PRIMITIVES
************************************************************************)
(* View: comment *)
let comment = Util.comment_generic /[ \t]*\*[ \t]*/ "* "
(* View: empty
Map empty lines, including empty asterisk comments *)
let empty = [ del /[ \t]*\*?[ \t]*\n/ "\n" ]
(* View: sep_colon
The separator for key/value entries *)
let sep_colon = del /:[ \t]*/ ": "
(* View: sep_moddir
The separator of directories in a moddir search path *)
let sep_moddir = del /[: ]+/ " "
(* View: modpath
Individual moddir search path entry *)
let modpath = [ seq "modpath" . store /[^ :\t\n]+/ ]
(* Variable: set_operator
Valid set operators: equals, bitwise AND and OR *)
let set_operators = /[=&|]/
(* View: set_value
Sets an integer value or char pointer *)
let set_value = [ label "value" . store Rx.no_spaces ]
(************************************************************************
* Group: COMMANDS
************************************************************************)
(* View: cmd_kv
Function for simple key/value setting commands such as rootfs *)
let cmd_kv (cmd:string) (value:regexp) =
Build.key_value_line cmd sep_colon (store value)
(* View: cmd_moddir
The moddir command for specifying module search paths *)
let cmd_moddir =
Build.key_value_line "moddir" sep_colon
(Build.opt_list modpath sep_moddir)
(* View: set_var
Loads the variable name from a set command, no module *)
let set_var = [ label "variable" . store Rx.word ]
(* View: set_var
Loads the module and variable names from a set command *)
let set_varmod = [ label "module" . store Rx.word ]
. Util.del_str ":" . set_var
(* View: set_sep_spc *)
let set_sep_spc = Util.del_opt_ws " "
(* View: cmd_set
The set command for individual kernel/module parameters *)
let cmd_set = [ key "set"
. Util.del_ws_spc
. ( set_var | set_varmod )
. set_sep_spc
. [ label "operator" . store set_operators ]
. set_sep_spc
. set_value
. Util.eol ]
(************************************************************************
* Group: LENS
************************************************************************)
(* View: lns *)
let lns = ( empty
| comment
| cmd_moddir
| cmd_kv "rootdev" Rx.fspath
| cmd_kv "rootfs" Rx.word
| cmd_kv "exclude" Rx.fspath
| cmd_kv "include" Rx.fspath
| cmd_kv "forceload" Rx.fspath
| cmd_set )*
(* Variable: filter *)
let filter = (incl "/etc/system")
let xfm = transform lns filter