79 lines
2.1 KiB
Plaintext
79 lines
2.1 KiB
Plaintext
(*
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Module: Postgresql
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Parses postgresql.conf
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Author: Raphael Pinson <raphink@gmail.com>
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About: Reference
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http://www.postgresql.org/docs/current/static/config-setting.html
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About: License
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This file is licenced under the LGPL v2+, like the rest of Augeas.
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About: Lens Usage
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To be documented
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About: Configuration files
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This lens applies to postgresql.conf. See <filter>.
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About: Examples
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The <Test_Postgresql> file contains various examples and tests.
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*)
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module Postgresql =
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autoload xfm
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(* View: sep
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Key and values are separated
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by either spaces or an equal sign *)
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let sep = del /([ \t]+)|([ \t]*=[ \t]*)/ " = "
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(* Variable: word_opt_quot_re
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Strings that don't require quotes *)
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let word_opt_quot_re = /[A-Za-z][A-Za-z0-9_-]*/
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(* View: word_opt_quot
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Storing a <word_opt_quot_re>, with or without quotes *)
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let word_opt_quot = Quote.do_squote_opt (store word_opt_quot_re)
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(* Variable: number_re
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A relative decimal number, optionally with unit *)
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let number_re = Rx.reldecimal . /[kMG]?B|[m]?s|min|h|d/?
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(* View: number
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Storing <number_re>, with or without quotes *)
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let number = Quote.do_squote_opt (store number_re)
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(* View: word_quot
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Anything other than <word_opt_quot> or <number>
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Quotes are mandatory *)
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let word_quot =
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let esc_squot = /\\\\'/
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in let no_quot = /[^#'\n]/
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in let forbidden = word_opt_quot_re | number_re
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in let value = (no_quot|esc_squot)* - forbidden
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in Quote.do_squote (store value)
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(* View: entry_gen
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Builder to construct entries *)
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let entry_gen (lns:lens) =
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Util.indent . Build.key_value_line_comment Rx.word sep lns Util.comment_eol
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(* View: entry *)
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let entry = entry_gen number
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| entry_gen word_opt_quot
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| entry_gen word_quot (* anything else *)
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(* View: lns *)
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let lns = (Util.empty | Util.comment | entry)*
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(* Variable: filter *)
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let filter = (incl "/var/lib/pgsql/data/postgresql.conf" .
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incl "/var/lib/pgsql/*/data/postgresql.conf" .
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incl "/var/lib/postgresql/*/data/postgresql.conf" .
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incl "/etc/postgresql/*/*/postgresql.conf" )
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let xfm = transform lns filter
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