Sharp.Augeas/Sharp.Augeas.Test/lens/pagekite.aug

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(*
Module: Pagekite
Parses /etc/pagekite.d/
Author: Michael Pimmer <blubb@fonfon.at>
About: License
This file is licenced under the LGPL v2+, like the rest of Augeas.
*)
module Pagekite =
autoload xfm
(* View: lns *)
(* Variables *)
let equals = del /[ \t]*=[ \t]*/ "="
let neg2 = /[^# \n\t]+/
let neg3 = /[^# \:\n\t]+/
let eol = del /\n/ "\n"
(* Match everything from here to eol, cropping whitespace at both ends *)
let to_eol = /[^ \t\n](.*[^ \t\n])?/
(* A key followed by comma-separated values
k: name of the key
key_sep: separator between key and values
value_sep: separator between values
sto: store for values
*)
let key_csv_line (k:string) (key_sep:lens) (value_sep:lens) (sto:lens) =
[ key k . key_sep . [ seq k . sto ] .
[ seq k . value_sep . sto ]* . Util.eol ]
(* entries for pagekite.d/10_account.rc *)
let domain = [ key "domain" . equals . store neg2 . Util.comment_or_eol ]
let frontend = Build.key_value_line ("frontend" | "frontends")
equals (store Rx.neg1)
let host = Build.key_value_line "host" equals (store Rx.ip)
let ports = key_csv_line "ports" equals Sep.comma (store Rx.integer)
let protos = key_csv_line "protos" equals Sep.comma (store Rx.word)
(* entries for pagekite.d/20_frontends.rc *)
let kitesecret = Build.key_value_line "kitesecret" equals (store Rx.space_in)
let kv_frontend = Build.key_value_line ( "kitename" | "fe_certname" |
"ca_certs" | "tls_endpoint" )
equals (store Rx.neg1)
(* entries for services like 80_httpd.rc *)
let service_colon = del /[ \t]*:[ \t]*/ " : "
let service_on = [ key "service_on" . [ seq "service_on" . equals .
[ label "protocol" . store neg3 ] . service_colon .
[ label "kitename" . (store neg3) ] . service_colon .
[ label "backend_host" . (store neg3) ] . service_colon .
[ label "backend_port" . (store neg3) ] . service_colon . (
[ label "secret" . (store Rx.no_spaces) . Util.eol ] | eol
) ] ]
let service_cfg = [ key "service_cfg" . equals . store to_eol . eol ]
let flags = ( "defaults" | "isfrontend" | "abort_not_configured" | "insecure" )
let entries = Build.flag_line flags
| domain
| frontend
| host
| ports
| protos
| kv_frontend
| kitesecret
| service_on
| service_cfg
let lns = ( entries | Util.empty | Util.comment )*
(* View: filter *)
let filter = incl "/etc/pagekite.d/*.rc"
. Util.stdexcl
let xfm = transform lns filter