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Contents
module PoolParty
module DefinableResource
# Define a new resource that can be called like any other resource
# Similar to any other resource (like file or exec)
# but you define it how you want it to work
# Example:
#
# define_resource(:line_in_file) do
# end
#
# Within the block, you can define any methods you want to run as
# part of the resource
#
# One thing to note is that this is NOT like other resources in the sense
# that it does not give you any extra methods like the resources do
#
# For example usage, see lib/poolparty/plugins/line.rb
def define_resource(name, &block)
symc = "#{name}".classify
klass = symc.class_constant(PoolParty::Resources::CustomResource, {:preserve => true}, &block)
PoolParty::Resources.module_eval &block
klass
end
# Allow us to create virtual resources
# Generally, in plugins
# This sets a virtual resource against the Resource class
# Example:
#
# virtual_resource(:virtualhost) do
# end
#
# This defines a virtualhost as a virtual resource
# and consequently gives the methods has_virtualhost and does_not_have_virtualhost
#
# Note that you can define any resources within the virtual resource
# within the definition or the call.
# Call example:
# has_virtualhost do
# name "xnot.org"
# end
#
# Which sets the virtual host's name as xnot.org
#
# An example is included in the poolparty-apache-plugin
def virtual_resource(name=:virtual_resource, opts={}, &block)
symc = "#{name}".classify
eval <<-EOE
class PoolParty::Resources::#{symc} < PoolParty::Resources::Resource
end
EOE
klass = "PoolParty::Resources::#{symc}".constantize
klass.module_eval &block if block
klass.send :define_method, :virtual_resource?, Proc.new{true}
klass.send :define_method, :printable?, Proc.new{false}
klass
end
end
end
Version data entries
42 entries across 42 versions & 2 rubygems