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author | 2016-05-26 14:11:18 +0000 | |
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committer | 2016-05-26 14:11:18 +0000 | |
commit | c894c7303bf575489bea9a5df1735250b86bfd6e (patch) | |
tree | 756fb86fa686a78c04e9b3ee1a44ca3bb32a04d4 /lib/puppet/parser/functions | |
parent | d50b4afcbd7802a0fc914e64d6f613d7e2b419a2 (diff) | |
parent | 4e5ebf3ad86b79710784f3c27a611ec436c4ba76 (diff) |
Merge "Add lookup_hiera_hash function"
Diffstat (limited to 'lib/puppet/parser/functions')
-rw-r--r-- | lib/puppet/parser/functions/lookup_hiera_hash.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/lookup_hiera_hash.rb b/lib/puppet/parser/functions/lookup_hiera_hash.rb new file mode 100644 index 0000000..d96d65f --- /dev/null +++ b/lib/puppet/parser/functions/lookup_hiera_hash.rb @@ -0,0 +1,22 @@ +module Puppet::Parser::Functions + newfunction(:lookup_hiera_hash, :arity => 2, :type => :rvalue, + :doc => "Lookup a key->value from a Hiera hash") do |args| + hash_name = args[0] + key_name = args[1] + unless hash_name.is_a?(String) and key_name.is_a?(String) + raise Puppet::ParseError, "The hash name and the key name must be given as strings." + end + if defined? call_function + hash = call_function('hiera', [hash_name]) + else + hash = function_hiera([hash_name]) + end + unless hash.is_a?(Hash) + raise Puppet::ParseError, "The value Hiera returned for #{hash_name} is not a Hash." + end + unless hash.key?(key_name) + raise Puppet::ParseError, "The Hiera hash #{hash_name} does not contain key #{key_name}." + end + return hash[key_name] + end +end |