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#
# validate_domain_name.rb
#
module Puppet::Parser::Functions
newfunction(:validate_domain_name, :doc => <<-DOC
Validate that all values passed are syntactically correct domain names.
Fail compilation if any value fails this check.
The following values will pass:
$my_domain_name = 'server.domain.tld'
validate_domain_name($my_domain_name)
validate_domain_name('domain.tld', 'puppet.com', $my_domain_name)
The following values will fail, causing compilation to abort:
validate_domain_name(1)
validate_domain_name(true)
validate_domain_name('invalid domain')
validate_domain_name('-foo.example.com')
validate_domain_name('www.example.2com')
DOC
) do |args|
rescuable_exceptions = [ArgumentError]
if args.empty?
raise Puppet::ParseError, "validate_domain_name(): wrong number of arguments (#{args.length}; must be > 0)"
end
args.each do |arg|
raise Puppet::ParseError, "#{arg.inspect} is not a string." unless arg.is_a?(String)
begin
raise Puppet::ParseError, "#{arg.inspect} is not a syntactically correct domain name" unless function_is_domain_name([arg])
rescue *rescuable_exceptions
raise Puppet::ParseError, "#{arg.inspect} is not a syntactically correct domain name"
end
end
end
end
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