diff options
Diffstat (limited to 'lib/chef/provider/erl_call.rb')
-rw-r--r-- | lib/chef/provider/erl_call.rb | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/lib/chef/provider/erl_call.rb b/lib/chef/provider/erl_call.rb new file mode 100644 index 0000000000..1ee1da500c --- /dev/null +++ b/lib/chef/provider/erl_call.rb @@ -0,0 +1,106 @@ +# +# Author:: Joe Williams (<joe@joetify.com>) +# Copyright:: Copyright (c) 2009 Joe Williams +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +require 'chef/log' +require 'chef/mixin/command' +require 'chef/provider' + +class Chef + class Provider + class ErlCall < Chef::Provider + include Chef::Mixin::Command + + def initialize(node, new_resource) + super(node, new_resource) + end + + def whyrun_supported? + true + end + + def load_current_resource + true + end + + def action_run + case @new_resource.name_type + when "sname" + node = "-sname #{@new_resource.node_name}" + when "name" + node = "-name #{@new_resource.node_name}" + end + + if @new_resource.cookie + cookie = "-c #{@new_resource.cookie}" + else + cookie = "" + end + + if @new_resource.distributed + distributed = "-s" + else + distributed = "" + end + + command = "erl_call -e #{distributed} #{node} #{cookie}" + + converge_by("run erlang block") do + begin + pid, stdin, stdout, stderr = popen4(command, :waitlast => true) + + Chef::Log.debug("#{@new_resource} running") + Chef::Log.debug("#{@new_resource} command: #{command}") + Chef::Log.debug("#{@new_resource} code: #{@new_resource.code}") + + @new_resource.code.each_line { |line| stdin.puts(line.chomp) } + + stdin.close + + Chef::Log.debug("#{@new_resource} output: ") + + stdout_output = "" + stdout.each_line { |line| stdout_output << line } + stdout.close + + stderr_output = "" + stderr.each_line { |line| stderr_output << line } + stderr.close + + # fail if stderr contains anything + if stderr_output.length > 0 + raise Chef::Exceptions::ErlCall, stderr_output + end + + # fail if the first 4 characters aren't "{ok," + unless stdout_output[0..3].include?('{ok,') + raise Chef::Exceptions::ErlCall, stdout_output + end + + @new_resource.updated_by_last_action(true) + + Chef::Log.debug("#{@new_resource} #{stdout_output}") + Chef::Log.info("#{@new_resouce} ran successfully") + ensure + Process.wait(pid) if pid + end + end + end + + end + end +end |