#
# ensure_packages.rb
#
-
module Puppet::Parser::Functions
- newfunction(:ensure_packages, :type => :statement, :doc => <<-EOS
-Takes a list of packages and only installs them if they don't already exist.
-It optionally takes a hash as a second parameter that will be passed as the
-third argument to the ensure_resource() function.
- EOS
- ) do |arguments|
+ newfunction(:ensure_packages, :type => :statement, :doc => <<-DOC
+ Takes a list of packages and only installs them if they don't already exist.
+ It optionally takes a hash as a second parameter that will be passed as the
+ third argument to the ensure_resource() function.
+ DOC
+ ) do |arguments|
- if arguments.size > 2 or arguments.size == 0
- raise(Puppet::ParseError, "ensure_packages(): Wrong number of arguments given (#{arguments.size} for 1 or 2)")
- elsif arguments.size == 2 and !arguments[1].is_a?(Hash)
- raise(Puppet::ParseError, 'ensure_packages(): Requires second argument to be a Hash')
- end
+ raise(Puppet::ParseError, "ensure_packages(): Wrong number of arguments given (#{arguments.size} for 1 or 2)") if arguments.size > 2 || arguments.empty?
+ raise(Puppet::ParseError, 'ensure_packages(): Requires second argument to be a Hash') if arguments.size == 2 && !arguments[1].is_a?(Hash)
if arguments[0].is_a?(Hash)
if arguments[1]
end
Puppet::Parser::Functions.function(:ensure_resources)
- function_ensure_resources(['package', arguments[0].dup, defaults ])
+ function_ensure_resources(['package', arguments[0].dup, defaults])
else
packages = Array(arguments[0])
end
Puppet::Parser::Functions.function(:ensure_resource)
- packages.each { |package_name|
- raise(Puppet::ParseError, 'ensure_packages(): Empty String provided for package name') if package_name.length == 0
- if !findresource("Package[#{package_name}]")
- function_ensure_resource(['package', package_name, defaults ])
+ packages.each do |package_name|
+ raise(Puppet::ParseError, 'ensure_packages(): Empty String provided for package name') if package_name.empty?
+ function_ensure_resource(['package', package_name, defaults])
end
- }
end
end
end