124 lines
4.0 KiB
Plaintext
124 lines
4.0 KiB
Plaintext
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(*
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Module: Trapperkeeper
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Parses Trapperkeeper configuration files
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Author: Raphael Pinson <raphael.pinson@camptocamp.com>
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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 Trapperkeeper webservice configuration files. See <filter>.
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About: Examples
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The <Test_Trapperkeeper> file contains various examples and tests.
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*)
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module Trapperkeeper =
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autoload xfm
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(************************************************************************
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* Group: USEFUL PRIMITIVES
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*************************************************************************)
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(* View: empty *)
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let empty = Util.empty
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(* View: comment *)
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let comment = Util.comment
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(* View: sep *)
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let sep = del /[ \t]*[:=]/ ":"
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(* View: sep_with_spc *)
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let sep_with_spc = sep . Sep.opt_space
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(************************************************************************
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* Group: BLOCKS (FROM 1.2, FOR 0.10 COMPATIBILITY)
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*************************************************************************)
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(* Variable: block_ldelim_newlines_re *)
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let block_ldelim_newlines_re = /[ \t\n]+\{([ \t\n]*\n)?/
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(* Variable: block_rdelim_newlines_re *)
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let block_rdelim_newlines_re = /[ \t]*\}/
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(* Variable: block_ldelim_newlines_default *)
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let block_ldelim_newlines_default = "\n{\n"
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(* Variable: block_rdelim_newlines_default *)
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let block_rdelim_newlines_default = "}"
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(************************************************************************
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* View: block_newline
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* A block enclosed in brackets, with newlines forced
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* and indentation defaulting to a tab.
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*
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* Parameters:
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* entry:lens - the entry to be stored inside the block.
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* This entry should not include <Util.empty>,
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* <Util.comment> or <Util.comment_noindent>,
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* should be indented and finish with an eol.
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************************************************************************)
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let block_newlines (entry:lens) (comment:lens) =
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del block_ldelim_newlines_re block_ldelim_newlines_default
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. ((entry | comment) . (Util.empty | entry | comment)*)?
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. del block_rdelim_newlines_re block_rdelim_newlines_default
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(************************************************************************
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* Group: ENTRY TYPES
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*************************************************************************)
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let opt_dquot (lns:lens) = del /"?/ "" . lns . del /"?/ ""
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(* View: simple *)
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let simple = [ Util.indent . label "@simple" . opt_dquot (store /[A-Za-z0-9_.\/-]+/) . sep_with_spc
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. [ label "@value" . opt_dquot (store /[^,"\[ \t\n]+/) ]
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. Util.eol ]
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(* View: array *)
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let array =
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let lbrack = Util.del_str "["
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in let rbrack = Util.del_str "]"
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in let opt_space = del /[ \t]*/ ""
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in let comma = opt_space . Util.del_str "," . opt_space
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in let elem = [ seq "elem" . opt_dquot (store /[^,"\[ \t\n]+/) ]
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in let elems = counter "elem" . Build.opt_list elem comma
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in [ Util.indent . label "@array" . store Rx.word
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. sep_with_spc . lbrack . Sep.opt_space
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. (elems . Sep.opt_space)?
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. rbrack . Util.eol ]
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(* View: hash *)
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let hash (lns:lens) = [ Util.indent . label "@hash" . store Rx.word . sep
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. block_newlines lns Util.comment
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. Util.eol ]
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(************************************************************************
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* Group: ENTRY
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*************************************************************************)
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(* Just for typechecking *)
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let entry_no_rec = hash (simple|array)
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(* View: entry *)
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let rec entry = hash (entry|simple|array)
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(************************************************************************
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* Group: LENS AND FILTER
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*************************************************************************)
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(* View: lns *)
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let lns = (empty|comment)* . (entry . (empty|comment)*)*
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(* Variable: filter *)
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let filter = incl "/etc/puppetserver/conf.d/*"
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. incl "/etc/puppetlabs/puppetserver/conf.d/*"
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. Util.stdexcl
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let xfm = transform lns filter
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