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# Convert input array of hashes (optionally JSON encoded)
# to a puppet Array of JSON encoded Strings.
Puppet::Functions.create_function(:to_array_of_json_strings) do
def _array_of_hash?(list)
return false unless list.class == Array
list.each do |e|
return false unless e.class == Hash
end
true
end
def to_array_of_json_strings(*args)
require 'json'
if (args.size != 1) then
raise Puppet::ParseError, 'to_array_of_json_strings(): Wrong number of arguments'
end
list = args[0]
if list.class == String
begin
list = JSON.load(list)
rescue JSON::ParserError
raise Puppet::ParseError, "Syntax error: #{args[0]} is not valid"
end
list = [list] unless list.class == Array
end
unless _array_of_hash?(list)
raise Puppet::ParseError, "Syntax error: #{args[0]} is not an Array or JSON encoded String"
end
rv = []
list.each do |e|
rv.push(e.to_json)
end
return rv
end
end
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