1 files changed, 146 insertions, 0 deletions
diff --git a/lib/puppet/network/handler/node.rb b/lib/puppet/network/handler/node.rb
new file mode 100644
index 000000000..0c532144a
--- /dev/null
+++ b/lib/puppet/network/handler/node.rb
@@ -0,0 +1,146 @@
+#  Created by Luke A. Kanies on 2007-08-13.
+#  Copyright (c) 2007. All rights reserved.
+
+require 'puppet/util'
+require 'puppet/util/classgen'
+require 'puppet/util/instance_loader'
+
+# Look up a node, along with all the details about it.
+class Puppet::Network::Handler::Node < Puppet::Network::Handler
+    # A simplistic class for managing the node information itself.
+    class SimpleNode
+        attr_accessor :name, :classes, :parameters, :environment
+
+        def initialize(options)
+            unless @name = options[:name]
+                raise ArgumentError, "Nodes require names" unless self.name
+            end
+
+            if classes = options[:classes]
+                if classes.is_a?(String)
+                    @classes = [classes]
+                else
+                    @classes = classes
+                end
+            else
+                @classes = []
+            end
+
+            @parameters = options[:parameters] || {}
+        end
+    end
+    desc "Retrieve information about nodes."
+
+    extend Puppet::Util::ClassGen
+    extend Puppet::Util::InstanceLoader
+
+    module SourceBase
+        include Puppet::Util::Docs
+    end
+
+    @interface = XMLRPC::Service::Interface.new("nodes") { |iface|
+        iface.add_method("string node(key)")
+        iface.add_method("string parameters(key)")
+        iface.add_method("string environment(key)")
+        iface.add_method("string classes(key)")
+    }
+
+    # Set up autoloading and retrieving of reports.
+    autoload :node_source, 'puppet/node_source'
+
+    # Add a new node source.
+    def self.newnode_source(name, options = {}, &block)
+        name = symbolize(name)
+
+        genmodule(name, :extend => SourceBase, :hash => instance_hash(:node_source), :block => block)
+    end
+
+    # Collect the docs for all of our node sources.
+    def self.node_source_docs
+        docs = ""
+
+        # Use this method so they all get loaded
+        instance_loader(:node_source).loadall
+        loaded_instances(:node_source).sort { |a,b| a.to_s <=> b.to_s }.each do |name|
+            mod = self.node_source(name)
+            docs += "%s\n%s\n" % [name, "-" * name.to_s.length]
+
+            docs += Puppet::Util::Docs.scrub(mod.doc) + "\n\n"
+        end
+
+        docs
+    end
+
+    # List each of the node sources.
+    def self.node_sources
+        instance_loader(:node_source).loadall
+        loaded_instances(:node_source)
+    end
+
+    # Remove a defined node source; basically only used for testing.
+    def self.rm_node_source(name)
+        instance_hash(:node_source).delete(name)
+    end
+
+    # Return a given node's classes.
+    def classes(key)
+        raise "look up classes"
+    end
+
+    # Return a given node's environment.
+    def environment(key)
+        raise "look up environment"
+        if node = node(key)
+            node.environment
+        else
+            nil
+        end
+    end
+
+    # Return an entire node configuration.
+    def node(key)
+        # Try to find our node...
+        nodes = nodes.collect { |n| n.to_s.downcase }
+
+        method = "nodesearch_%s" % @nodesource
+        # Do an inverse sort on the length, so the longest match always
+        # wins
+        nodes.sort { |a,b| b.length <=> a.length }.each do |node|
+            node = node.to_s if node.is_a?(Symbol)
+            if obj = self.send(method, node)
+                if obj.is_a?(AST::Node)
+                    nsource = obj.file
+                else
+                    nsource = obj.source
+                end
+                Puppet.info "Found %s in %s" % [node, nsource]
+                return obj
+            end
+        end
+
+        # If they made it this far, we haven't found anything, so look for a
+        # default node.
+        unless nodes.include?("default")
+            if defobj = self.nodesearch("default")
+                Puppet.notice "Using default node for %s" % [nodes[0]]
+                return defobj
+            end
+        end
+
+        return nil
+    end
+
+    def parameters(key)
+        raise "Look up parameters"
+    end
+
+    private
+    def node_facts(key)
+        raise "Look up node facts"
+    end
+
+    def node_names(key, facts = nil)
+        facts ||= node_facts(key)
+        raise "Calculate node names"
+    end
+end