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# frozen_string_literal: true
# The `hocon_data` is a hiera 5 `data_hash` data provider function.
# See [the configuration guide documentation](https://puppet.com/docs/puppet/latest/hiera_config_yaml_5.html#configuring-a-hierarchy-level-built-in-backends) for
# how to use this function.
#
# Note that this function is not supported without a hocon library being present.
#
# @since 4.9.0
#
Puppet::Functions.create_function(:hocon_data) do
unless Puppet.features.hocon?
raise Puppet::DataBinding::LookupError, _('Lookup using Hocon data_hash function is not supported without hocon library')
end
require 'hocon'
require 'hocon/config_error'
dispatch :hocon_data do
param 'Struct[{path=>String[1]}]', :options
param 'Puppet::LookupContext', :context
end
argument_mismatch :missing_path do
param 'Hash', :options
param 'Puppet::LookupContext', :context
end
def hocon_data(options, context)
path = options['path']
context.cached_file_data(path) do |content|
Hocon.parse(content)
rescue Hocon::ConfigError => ex
raise Puppet::DataBinding::LookupError, _("Unable to parse (%{path}): %{message}") % { path: path, message: ex.message }
end
end
def missing_path(options, context)
"one of 'path', 'paths' 'glob', 'globs' or 'mapped_paths' must be declared in hiera.yaml when using this data_hash function"
end
end
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