Add knife api plugin for making api requests from the command line

plugins/api.rb

@@ -0,0 +1,40 @@
+class Api < Chef::Knife
+  banner "knife api METHOD PATH [REQUEST BODY] (options)"
+
+  option :raw,
+  :long => "--raw",
+  :short => "-R",
+  :description => "Show raw response. Only applies to GET",
+  :default => false
+
+  def run
+    method, path, request = @name_args
+    if !method || !path
+      show_usage
+      ui.fatal "You must specify a method and a path"
+      exit 1
+    end
+
+    response = case method.downcase.to_sym
+               when :get
+                 if config[:raw]
+                   ::File.read rest.get_rest path, true
+                 else
+                   rest.get_rest path
+                 end
+               when :delete
+                 ui.confirm "DELETE is a destructive method.  Do you want to call DELETE on #{path}"
+                 rest.delete_rest path
+               when :post
+                 raise ArgumentError, "Request Body Required" unless request
+                 # HACK: Use eval to turn string into a Hash
+                 rest.post_rest path, eval(request)
+               when :put
+                 raise ArgumentError, "Request Body Required" unless request
+                 rest.put_rest path, eval(request)
+               else
+                 raise ArgumentError, "Unknown method #{method}"
+               end
+    ui.output(ui.format_for_display response)
+  end
+end