/usr/share/augeas/lenses/dist/multipath.aug is in augeas-lenses 1.2.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | (* Process /etc/multipath.conf *)
(* The lens is based on the multipath.conf(5) man page *)
module Multipath =
autoload xfm
let comment = Util.comment
let empty = Util.empty
let dels = Util.del_str
let eol = Util.eol
let ws = del /[ \t]+/ " "
let indent = del /[ \t]*/ ""
(* We require that braces are always followed by a newline *)
let obr = del /\{([ \t]*)\n/ "{\n"
let cbr = del /[ \t]*}[ \t]*\n/ "}\n"
let ikey (k:regexp) = indent . key k
let section (n:regexp) (b:lens) =
[ ikey n . ws . obr . (b|empty|comment)* . cbr ]
let kv (k:regexp) (v:regexp) =
[ ikey k . ws . store v . eol ]
(* FIXME: it would be much more concise to write *)
(* [ key k . ws . (bare | quoted) ] *)
(* but the typechecker trips over that *)
let qstr (k:regexp) =
let delq = del /['"]/ "\"" in
let bare = del /["']?/ "" . store /[^"' \t\n]+/ . del /["']?/ "" in
let quoted = delq . store /.*[ \t].*/ . delq in
[ ikey k . ws . bare . eol ]
|[ ikey k . ws . quoted . eol ]
let wwid = kv "wwid" (Rx.word|"*")
(* Settings that can be changed in various places *)
let common_setting =
kv "path_grouping_policy"
/failover|multibus|group_by_(serial|prio|node_name)/
|qstr /(getuid|prio)_callout/
|qstr /path_(selector|checker)|features/
|kv "failback" (Rx.integer | /immediate|manual/)
|kv "rr_weight" /priorities|uniform/
|kv "no_path_retry" (Rx.integer | /fail|queue/)
|kv "rr_min_io" Rx.integer
let default_setting =
kv "polling_interval" Rx.integer
|kv "udev_dir" Rx.fspath
|qstr "selector"
|kv "user_friendly_names" /yes|no/
|kv "dev_loss_tmo" Rx.integer
|kv "fast_io_fail_tmo" Rx.integer
|kv "verbosity" /[0-6]/
|kv "reassign_maps" /yes|no/
(* These are not in the manpage but in the example multipath.conf *)
|kv "prio" Rx.word
|kv "max_fds" Rx.integer
(* SUSE extensions *)
|kv "async_timeout" Rx.integer
|kv "max_polling_interval" Rx.integer
(* A device subsection *)
let device =
let setting =
qstr /vendor|product|product_blacklist|hardware_handler/
|common_setting
|default_setting in
section "device" setting
(* The defaults section *)
let defaults =
let setting =
common_setting
|default_setting
in section "defaults" setting
(* The blacklist and blacklist_exceptions sections *)
let blacklist =
let setting =
wwid
|qstr "devnode"
|device in
section /blacklist(_exceptions)?/ setting
(* A multipath subsection *)
let multipath =
let setting =
wwid
|qstr "alias"
|common_setting in
section "multipath" setting
(* The multipaths section *)
let multipaths =
section "multipaths" multipath
(* The devices section *)
let devices =
section "devices" device
let lns = (comment|empty|defaults|blacklist|devices|multipaths)*
let xfm = transform lns (incl "/etc/multipath.conf")
|