Adding the metaprogramming to create the Nagios types

and Naginator providers.  This is basically all of
the code that's necessary to create all of the needed
Nagios types.

2 files changed, 144 insertions, 0 deletions

diff --git a/lib/puppet/util/nagios_maker.rb b/lib/puppet/util/nagios_maker.rb
new file mode 100644
index 000000000..7c019f55e
--- /dev/null
+++ b/lib/puppet/util/nagios_maker.rb
@@ -0,0 +1,40 @@
+require 'puppet/external/nagios'
+require 'puppet/external/nagios/base'
+require 'puppet/provider/naginator'
+
+module Puppet::Util::NagiosMaker
+    # Create a new nagios type, using all of the parameters
+    # from the parser.
+    def self.create_nagios_type(name)
+        name = name.to_sym
+        full_name = ("nagios_" + name.to_s).to_sym
+
+        raise(Puppet::DevError, "No nagios type for %s" % name) unless nagtype = Nagios::Base.type(name)
+
+        type = Puppet::Type.newtype(full_name) {}
+
+        type.ensurable
+
+        type.newparam(nagtype.namevar, :namevar => true) do
+            desc "The name parameter for Nagios type %s" % nagtype.name
+        end
+
+        nagtype.parameters.each do |param|
+            next if param == nagtype.namevar
+
+            type.newproperty(param) do
+                desc "Nagios configuration file parameter."
+            end
+        end
+
+        type.newproperty(:target) do
+            desc 'target'
+
+            defaultto do
+                resource.class.defaultprovider.default_target
+            end
+        end
+
+        type.provide(:naginator, :parent => Puppet::Provider::Naginator, :default_target => "/etc/nagios/#{full_name.to_s}.cfg") {}
+    end
+end
diff --git a/spec/unit/util/nagios_maker.rb b/spec/unit/util/nagios_maker.rb
new file mode 100755
index 000000000..145f8633a
--- /dev/null
+++ b/spec/unit/util/nagios_maker.rb
@@ -0,0 +1,104 @@
+#!/usr/bin/env ruby
+#
+#  Created by Luke Kanies on 2007-11-18.
+#  Copyright (c) 2007. All rights reserved.
+
+require File.dirname(__FILE__) + '/../../spec_helper'
+
+require 'puppet/util/nagios_maker'
+
+describe Puppet::Util::NagiosMaker do
+    before do
+        @module = Puppet::Util::NagiosMaker
+
+        @nagtype = stub 'nagios type', :parameters => [], :namevar => :name
+        Nagios::Base.stubs(:type).with(:test).returns(@nagtype)
+    end
+
+    it "should be able to create a new nagios type" do
+        @module.should respond_to(:create_nagios_type)
+    end
+
+    it "should fail if it cannot find the named Naginator type" do
+        Nagios::Base.stubs(:type).returns(nil)
+
+        lambda { @module.create_nagios_type(:no_such_type) }.should raise_error(Puppet::DevError)
+    end
+
+    it "should create a new RAL type with the provided name prefixed with 'nagios_'" do
+        type = stub 'type', :newparam => nil, :newproperty => nil, :ensurable => nil, :provide => nil
+
+        Puppet::Type.expects(:newtype).with(:nagios_test).returns(type)
+        @module.create_nagios_type(:test)
+    end
+
+    it "should mark the created type as ensurable" do
+        type = stub 'type', :newparam => nil, :newproperty => nil, :provide => nil
+
+        type.expects(:ensurable)
+
+        Puppet::Type.expects(:newtype).with(:nagios_test).returns(type)
+        @module.create_nagios_type(:test)
+    end
+
+    it "should create a namevar parameter for the nagios type's name parameter" do
+        type = stub 'type', :newproperty => nil, :ensurable => nil, :provide => nil
+
+        type.expects(:newparam).with(:name, :namevar => true)
+
+        Puppet::Type.expects(:newtype).with(:nagios_test).returns(type)
+        @module.create_nagios_type(:test)
+    end
+
+    it "should create a property for all non-namevar parameters" do
+        type = stub 'type', :newparam => nil, :ensurable => nil, :provide => nil
+
+        @nagtype.stubs(:parameters).returns([:one, :two])
+
+        type.expects(:newproperty).with(:one)
+        type.expects(:newproperty).with(:two)
+        type.expects(:newproperty).with(:target)
+
+        Puppet::Type.expects(:newtype).with(:nagios_test).returns(type)
+        @module.create_nagios_type(:test)
+    end
+
+    it "should create a target property" do
+        type = stub 'type', :newparam => nil, :ensurable => nil, :provide => nil
+
+        type.expects(:newproperty).with(:target)
+
+        Puppet::Type.expects(:newtype).with(:nagios_test).returns(type)
+        @module.create_nagios_type(:test)
+    end
+end
+
+describe Puppet::Util::NagiosMaker, " when creating the naginator provider" do
+    before do
+        @module = Puppet::Util::NagiosMaker
+
+        @nagtype = stub 'nagios type', :parameters => [], :namevar => :name
+        Nagios::Base.stubs(:type).with(:test).returns(@nagtype)
+
+        @type = stub 'type', :newparam => nil, :ensurable => nil, :newproperty => nil
+        Puppet::Type.stubs(:newtype).with(:nagios_test).returns(@type)
+    end
+
+    it "should add a naginator provider" do
+        @type.expects(:provide).with { |name, options| name == :naginator }
+
+        @module.create_nagios_type(:test)
+    end
+
+    it "should set Puppet::Provider::Naginator as the parent class of the provider" do
+        @type.expects(:provide).with { |name, options| options[:parent] == Puppet::Provider::Naginator }
+
+        @module.create_nagios_type(:test)
+    end
+
+    it "should use /etc/nagios/$name.cfg as the default target" do
+        @type.expects(:provide).with { |name, options| options[:default_target] == "/etc/nagios/nagios_test.cfg" }
+
+        @module.create_nagios_type(:test)
+    end
+end