3 Parses /etc/rsyslog.conf
5 Author: Raphael Pinson <raphael.pinsons@camptocamp.com>
8 This lens tries to keep as close as possible to `man 5 rsyslog.conf` where possible.
11 This file is licenced under the LGPL v2+, like the rest of Augeas.
16 About: Configuration files
17 This lens applies to /etc/rsyslog.conf. See <filter>.
20 The <Test_Rsyslog> file contains various examples and tests.
26 let macro_rx = /[^,# \n\t][^#\n]*[^,# \n\t]|[^,# \n\t]/
27 let macro = [ key /$[A-Za-z0-9]+/ . Sep.space . store macro_rx . Util.comment_or_eol ]
29 let config_object_param = [ key /[A-Za-z.]+/ . Sep.equal . Quote.dquote
30 . store /[^"]+/ . Quote.dquote ]
31 (* Inside config objects, we allow embedded comments; we don't surface them
32 * in the tree though *)
33 let config_sep = del /[ \t]+|[ \t]*#.*\n[ \t]*/ " "
36 [ key /action|global|input|module|parser|timezone|include/ .
38 config_object_param . ( config_sep . config_object_param )* .
39 Sep.rbracket . Util.comment_or_eol ]
42 Map :omusrmsg: and a list of users, or a single *
44 let omusrmsg = Util.del_str ":omusrmsg:" .
45 Syslog.label_opt_list_or "omusrmsg" (store Syslog.word)
49 File action with a specified template *)
50 let file_tmpl = Syslog.file . [ label "template" . Util.del_str ";" . store Rx.word ]
52 let dynamic = [ Util.del_str "?" . label "dynamic" . store Rx.word ]
54 let namedpipe = Syslog.pipe . Sep.space . [ label "pipe" . store Syslog.file_r ]
56 let action = Syslog.action | omusrmsg | file_tmpl | dynamic | namedpipe
58 (* Cannot use syslog program because rsyslog does not suppport #! *)
59 let program = [ label "program" . Syslog.bang .
60 ( Syslog.opt_plus | [ Build.xchgs "-" "reverse" ] ) .
61 Syslog.programs . Util.eol . Syslog.entries ]
63 (* Cannot use syslog hostname because rsyslog does not suppport #+/- *)
64 let hostname = [ label "hostname" .
65 ( Syslog.plus | [ Build.xchgs "-" "reverse" ] ) .
66 Syslog.hostnames . Util.eol . Syslog.entries ]
70 let prop_act = [ label "action" . action ]
71 in let act_sep = del /[ \t]*\n&[ \t]*/ "\n& "
72 in Build.opt_list prop_act act_sep
75 An entry contains selectors and an action
77 let entry = [ label "entry" . Syslog.selectors . Syslog.sep_tab .
81 Parses property-based filters, which start with ":" and the property name *)
83 let sep = Sep.comma . Util.del_opt_ws " "
84 in let prop_name = [ Util.del_str ":" . label "property" . store Rx.word ]
85 in let prop_oper = [ label "operation" . store /[A-Za-z!-]+/ ]
86 in let prop_val = [ label "value" . Quote.do_dquote (store /[^\n"]*/) ]
87 in [ label "filter" . prop_name . sep . prop_oper . sep . prop_val .
88 Sep.space . actions . Util.eol ]
90 let entries = ( Syslog.empty | Util.comment | entry | macro | config_object | prop_filter )*
92 let lns = entries . ( program | hostname )*
94 let filter = incl "/etc/rsyslog.conf"
95 . incl "/etc/rsyslog.d/*"
98 let xfm = transform lns filter