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Contents
# Test whether a given class or definition is defined
Puppet::Parser::Functions::newfunction(:defined, :type => :rvalue, :doc => "Determine whether a given
type is defined, either as a native type or a defined type, or whether a class is defined.
This is useful for checking whether a class is defined and only including it if it is.
This function can also test whether a resource has been defined, using resource references
(e.g., ``if defined(File['/tmp/myfile']) { ... }``). This function is unfortunately
dependent on the parse order of the configuration when testing whether a resource is defined.") do |vals|
result = false
vals.each do |val|
case val
when String
# For some reason, it doesn't want me to return from here.
if Puppet::Type.type(val) or find_definition(val) or find_hostclass(val)
result = true
break
end
when Puppet::Parser::Resource::Reference
if findresource(val.to_s)
result = true
break
end
else
raise ArgumentError, "Invalid argument of type %s to 'defined'" % val.class
end
end
result
end
Version data entries
6 entries across 6 versions & 1 rubygems