diff options
Diffstat (limited to 'ext/extlookup.rb')
| -rw-r--r-- | ext/extlookup.rb | 170 |
1 files changed, 85 insertions, 85 deletions
diff --git a/ext/extlookup.rb b/ext/extlookup.rb index 24b161e0f..b72fc1287 100644 --- a/ext/extlookup.rb +++ b/ext/extlookup.rb @@ -80,102 +80,102 @@ require 'csv' module Puppet::Parser::Functions - newfunction(:extlookup, :type => :rvalue) do |args| - key = args[0] - default = "_ExtUNSET_" - datafile = "_ExtUNSET_" - - default = args[1] if args[1] - datafile = args[2] if args[2] - - extlookup_datadir = lookupvar('extlookup_datadir') - extlookup_precedence = Array.new - - # precedence values can have variables embedded in them - # in the form %{fqdn}, you could for example do - # - # $extlookup_precedence = ["hosts/%{fqdn}", "common"] - # - # this will result in /path/to/extdata/hosts/your.box.com.csv - # being searched. - # - # we parse the precedence here because the best place to specify - # it would be in site.pp but site.pp is only evaluated at startup - # so $fqdn etc would have no meaning there, this way it gets evaluated - # each run and has access to the right variables for that run - lookupvar('extlookup_precedence').each do |prec| - while prec =~ /%\{(.+?)\}/ - prec.gsub!(/%\{#{$1}\}/, lookupvar($1)) - end + newfunction(:extlookup, :type => :rvalue) do |args| + key = args[0] + default = "_ExtUNSET_" + datafile = "_ExtUNSET_" + + default = args[1] if args[1] + datafile = args[2] if args[2] + + extlookup_datadir = lookupvar('extlookup_datadir') + extlookup_precedence = Array.new + + # precedence values can have variables embedded in them + # in the form %{fqdn}, you could for example do + # + # $extlookup_precedence = ["hosts/%{fqdn}", "common"] + # + # this will result in /path/to/extdata/hosts/your.box.com.csv + # being searched. + # + # we parse the precedence here because the best place to specify + # it would be in site.pp but site.pp is only evaluated at startup + # so $fqdn etc would have no meaning there, this way it gets evaluated + # each run and has access to the right variables for that run + lookupvar('extlookup_precedence').each do |prec| + while prec =~ /%\{(.+?)\}/ + prec.gsub!(/%\{#{$1}\}/, lookupvar($1)) + end + + extlookup_precedence << prec + end - extlookup_precedence << prec - end + datafiles = Array.new - datafiles = Array.new + # if we got a custom data file, put it first in the array of search files + if datafile != "" + datafiles << extlookup_datadir + "/#{datafile}.csv" if File.exists?(extlookup_datadir + "/#{datafile}.csv") + end - # if we got a custom data file, put it first in the array of search files - if datafile != "" - datafiles << extlookup_datadir + "/#{datafile}.csv" if File.exists?(extlookup_datadir + "/#{datafile}.csv") - end + extlookup_precedence.each do |d| + datafiles << extlookup_datadir + "/#{d}.csv" + end - extlookup_precedence.each do |d| - datafiles << extlookup_datadir + "/#{d}.csv" - end + desired = "_ExtUNSET_" + + datafiles.each do |file| + parser.watch_file(file) if File.exists?(file) + + if desired == "_ExtUNSET_" + if File.exists?(file) + result = CSV.read(file).find_all do |r| + r[0] == key + end - desired = "_ExtUNSET_" - - datafiles.each do |file| - parser.watch_file(file) if File.exists?(file) - - if desired == "_ExtUNSET_" - if File.exists?(file) - result = CSV.read(file).find_all do |r| - r[0] == key - end - - - # return just the single result if theres just one, - # else take all the fields in the csv and build an array - if result.length > 0 - if result[0].length == 2 - val = result[0][1].to_s - - # parse %{}'s in the CSV into local variables using lookupvar() - while val =~ /%\{(.+?)\}/ - val.gsub!(/%\{#{$1}\}/, lookupvar($1)) - end - - desired = val - elsif result[0].length > 1 - length = result[0].length - cells = result[0][1,length] - - # Individual cells in a CSV result are a weird data type and throws - # puppets yaml parsing, so just map it all to plain old strings - desired = cells.map do |c| - # parse %{}'s in the CSV into local variables using lookupvar() - while c =~ /%\{(.+?)\}/ - c.gsub!(/%\{#{$1}\}/, lookupvar($1)) - end - - c.to_s - end - end - end + + # return just the single result if theres just one, + # else take all the fields in the csv and build an array + if result.length > 0 + if result[0].length == 2 + val = result[0][1].to_s + + # parse %{}'s in the CSV into local variables using lookupvar() + while val =~ /%\{(.+?)\}/ + val.gsub!(/%\{#{$1}\}/, lookupvar($1)) + end + + desired = val + elsif result[0].length > 1 + length = result[0].length + cells = result[0][1,length] + + # Individual cells in a CSV result are a weird data type and throws + # puppets yaml parsing, so just map it all to plain old strings + desired = cells.map do |c| + # parse %{}'s in the CSV into local variables using lookupvar() + while c =~ /%\{(.+?)\}/ + c.gsub!(/%\{#{$1}\}/, lookupvar($1)) end - end - end - # don't accidently return nil's and such rather throw a parse error - if desired == "_ExtUNSET_" && default == "_ExtUNSET_" - raise Puppet::ParseError, "No match found for '#{key}' in any data file during extlookup()" - else - desired = default if desired == "_ExtUNSET_" + c.to_s + end + end + end end + end + end - desired + # don't accidently return nil's and such rather throw a parse error + if desired == "_ExtUNSET_" && default == "_ExtUNSET_" + raise Puppet::ParseError, "No match found for '#{key}' in any data file during extlookup()" + else + desired = default if desired == "_ExtUNSET_" end + + desired + end end # vi:tabstop=4:expandtab:ai |