Initial Chef repository

cookbooks/runit/libraries/helpers.rb

@@ -0,0 +1,45 @@
+#
+# Cookbook:: runit
+# Libraries:: helpers
+#
+# Author: Joshua Timberman <joshua@getchef.com>
+# Copyright (c) 2014, Chef Software, Inc. <legal@getchef.com>
+#
+# 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/mixin/shell_out'
+include Chef::Mixin::ShellOut
+module Runit
+  module Helpers
+    def runit_installed?
+      return true if runit_rpm_installed? || (runit_executable? && runit_sv_works?)
+    end
+
+    def runit_executable?
+      ::File.executable?(node['runit']['executable'])
+    end
+
+    def runit_sv_works?
+      sv = shell_out("#{node['runit']['sv_bin']} --help")
+      sv.exitstatus == 100 && sv.stderr =~ /usage: sv .* command service/
+    end
+
+    def runit_rpm_installed?
+      shell_out('rpm -qa | grep -q "^runit"').exitstatus == 0
+    end
+  end
+end
+
+Chef::Recipe.send(:include, Runit::Helpers)
+Chef::Resource.send(:include, Runit::Helpers)