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author | varac <varacanero@zeromail.org> | 2017-01-13 12:41:58 +0100 |
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committer | varac <varacanero@zeromail.org> | 2017-01-13 12:41:58 +0100 |
commit | 066c08f8362d53f0f30897cb8710d11260c726ea (patch) | |
tree | a6369eecd88bb731fe413d0bbc8af73d74d1f447 /lib/puppet/parser/functions/loadjson.rb | |
parent | 71123634744b9fe2ec7d6a3e38e9789fd84801e3 (diff) | |
parent | b65dd1f45d10e10e45455358aeabb29167990e2c (diff) |
Merge remote-tracking branch 'origin/master' into leap_master
Diffstat (limited to 'lib/puppet/parser/functions/loadjson.rb')
-rw-r--r-- | lib/puppet/parser/functions/loadjson.rb | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/loadjson.rb b/lib/puppet/parser/functions/loadjson.rb new file mode 100644 index 0000000..3a3372b --- /dev/null +++ b/lib/puppet/parser/functions/loadjson.rb @@ -0,0 +1,34 @@ +module Puppet::Parser::Functions + newfunction(:loadjson, :type => :rvalue, :arity => -2, :doc => <<-'ENDHEREDOC') do |args| +Load a JSON file containing an array, string, or hash, and return the data +in the corresponding native data type. +The second parameter is the default value. It will be returned if the file +was not found or could not be parsed. + +For example: + + $myhash = loadjson('/etc/puppet/data/myhash.json') + $myhash = loadjson('no-file.json', {'default' => 'value'}) + ENDHEREDOC + + raise ArgumentError, 'Wrong number of arguments. 1 or 2 arguments should be provided.' unless args.length >= 1 + + if File.exists?(args[0]) + begin + content = File.read(args[0]) + PSON::load(content) || args[1] + rescue Exception => e + if args[1] + args[1] + else + raise e + end + end + else + warning("Can't load '#{args[0]}' File does not exist!") + args[1] + end + + end + +end |