first cut at apt::unattended-upgrades recipe

.kitchen.yml

@@ -12,6 +12,8 @@ platforms:
     run_list: apt::default
   - name: ubuntu-13.10
     run_list: apt::default
+  - name: ubuntu-14.0.4
+    run_list: apt::default
 
 suites:
   - name: default
@@ -44,3 +46,13 @@ suites:
     run_list:
       - recipe[minitest-handler]
       - recipe[apt_test::lwrps]
+
+  - name: unattended-upgrades
+    run_list:
+      - recipe[minitest-handler]
+      - recipe[apt_test::unattended-upgrades]
+    attributes:
+      apt:
+        unattended_upgrades:
+          enabled: true
+

attributes/default.rb

@@ -27,3 +27,16 @@
 default['apt']['key_proxy'] = ''
 default['apt']['cache_bypass'] = {}
 default['apt']['periodic_update_min_delay'] = 86_400
+default['apt']['unattended_upgrades']['enable'] = false
+default['apt']['unattended_upgrades']['update_package_lists'] = true
+# this needs a good default
+default['apt']['unattended_upgrades']['allowed_origins'] = []
+default['apt']['unattended_upgrades']['package_blacklist'] = []
+default['apt']['unattended_upgrades']['auto_fix_interrupted_dpkg'] = false
+default['apt']['unattended_upgrades']['minimal_steps'] = false
+default['apt']['unattended_upgrades']['install_on_shutdown'] = false
+default['apt']['unattended_upgrades']['mail'] = nil
+default['apt']['unattended_upgrades']['mail_only_on_error'] = true
+default['apt']['unattended_upgrades']['remove_unused_dependencies'] = false
+default['apt']['unattended_upgrades']['automatic_reboot'] = false
+default['apt']['unattended_upgrades']['dl_limit'] = nil

recipes/unattended-upgrades.rb

@@ -0,0 +1,43 @@
+#
+# Cookbook Name:: apt
+# Recipe:: unattended-upgrades
+#
+# Copyright 2014, Opscode, Inc.
+#
+# 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.
+#
+
+# On systems where apt is not installed, the resources in this recipe are not
+# executed. However, they _must_ still be present in the resource collection
+# or other cookbooks which notify these resources will fail on non-apt-enabled
+# systems.
+#
+
+package 'unattended-upgrades' do
+  response_file 'unattended-upgrades.seed.erb'
+  action :install
+end
+
+template '/etc/apt/apt.conf.d/20auto-upgrades' do
+  owner 'root'
+  group 'root'
+  mode '644'
+  source '20auto-upgrades.erb'
+end
+
+template '/etc/apt/apt.conf.d/50unattended-upgrades' do
+  owner 'root'
+  group 'root'
+  mode '644'
+  source '50unattended-upgrades.erb'
+end

spec/unattended-upgrades_spec.rb

@@ -0,0 +1,24 @@
+require 'spec_helper'
+
+describe 'apt::unattended-upgrades' do
+  context 'default' do
+    let(:chef_run) do
+      runner = ChefSpec::Runner.new
+      runner.converge('apt::unattended-upgrades')
+    end
+
+    it 'installs unattended-upgrades' do
+      # expect(chef_run).to install_package 'unattended-upgrades'
+    end
+
+    it 'creates 20auto-upgrades file' do
+      # expect(chef_run).to render_file('/etc/apt/apt.conf.d/20auto-upgrades').with_content()
+      # expect(chef_run).to create_file_with_content('/etc/apt/apt.conf.d/20auto-upgrades', 'APT::Periodic::Update-Package-Lists "1";')
+      # expect(chef_run).to create_file_with_content('/etc/apt/apt.conf.d/20auto-upgrades', 'APT::Periodic::Unattended-Upgrade "0";')
+    end
+
+    it 'creates 50unattended-upgrades file' do
+      # expect(chef_run).to render_file('/etc/apt/apt.conf.d/50auto-upgrades').with_content()
+    end
+  end
+end

templates/default/20auto-upgrades.erb

@@ -0,0 +1,2 @@
+APT::Periodic::Update-Package-Lists "<%= node['apt']['unattended_upgrades']['update_package_lists'] ? 1 : 0 %>";
+APT::Periodic::Unattended-Upgrade "<%= node['apt']['unattended_upgrades']['enabled'] ? 1 : 0 %>";

templates/default/50unattended-upgrades.erb

@@ -0,0 +1,62 @@
+// Automatically upgrade packages from these (origin:archive) pairs
+Unattended-Upgrade::Allowed-Origins {
+<% unless node['apt']['unattended_upgrades']['allowed_origins'].empty? -%>
+<% node['apt']['unattended_upgrades']['allowed_origins'].each do |origin| -%>
+	<%= origin %>
+<% end -%>
+<% end -%>
+};
+
+
+// List of packages to not update
+Unattended-Upgrade::Package-Blacklist {
+<% unless node['apt']['unattended_upgrades']['package_blacklist'].empty? -%>
+<% node['apt']['unattended_upgrades']['package_blacklist'].each do |package| -%>
+	<%= package %>
+<% end -%>
+<% end -%>
+};
+
+// This option allows you to control if on a unclean dpkg exit
+// unattended-upgrades will automatically run 
+//   dpkg --force-confold --configure -a
+// The default is true, to ensure updates keep getting installed
+Unattended-Upgrade::AutoFixInterruptedDpkg "<%= node['apt']['unattended_upgrades']['auto_fix_interrupted_dpkg'] ? 'true' : 'false' %>";
+
+// Split the upgrade into the smallest possible chunks so that
+// they can be interrupted with SIGUSR1. This makes the upgrade
+// a bit slower but it has the benefit that shutdown while a upgrade
+// is running is possible (with a small delay)
+Unattended-Upgrade::MinimalSteps "<%= node['apt']['unattended_upgrades']['minimal_steps'] ? 'true' : 'false' %>";
+
+// Install all unattended-upgrades when the machine is shuting down
+// instead of doing it in the background while the machine is running
+// This will (obviously) make shutdown slower
+Unattended-Upgrade::InstallOnShutdown "<%= node['apt']['unattended_upgrades']['install_on_shutdown'] ? 'true' : 'false' %>";
+
+// Send email to this address for problems or packages upgrades
+// If empty or unset then no email is sent, make sure that you
+// have a working mail setup on your system. A package that provides
+// 'mailx' must be installed.
+<% if node['apt']['unattended_upgrades']['mail'] -%>
+Unattended-Upgrade::Mail "<%= node['apt']['unattended_upgrades']['mail'] %>";
+<% end -%>
+
+// Set this value to "true" to get emails only on errors. Default
+// is to always send a mail if Unattended-Upgrade::Mail is set
+Unattended-Upgrade::MailOnlyOnError "<%= node['apt']['unattended_upgrades']['mail_only_on_error'] ? 'true' : 'false' %>";
+
+// Do automatic removal of new unused dependencies after the upgrade
+// (equivalent to apt-get autoremove)
+Unattended-Upgrade::Remove-Unused-Dependencies "<%= node['apt']['unattended_upgrades']['remove_unused_dependencies'] ? 'true' : 'false' %>";
+
+// Automatically reboot *WITHOUT CONFIRMATION* if a 
+// the file /var/run/reboot-required is found after the upgrade 
+Unattended-Upgrade::Automatic-Reboot "<%= node['apt']['unattended_upgrades']['automatic_reboot'] ? 'true' : 'false' %>";
+
+
+// Use apt bandwidth limit feature, this example limits the download
+// speed to 70kb/sec
+<% if node['apt']['unattended_upgrades']['dl_limit'] -%>
+Acquire::http::Dl-Limit "<%= node['apt']['unattended_upgrades']['dl_limit'] %>";
+<% end -%>

templates/default/unattended-upgrades.seed.erb

@@ -0,0 +1 @@
+unattended-upgrades unattended-upgrades/enable_auto_updates boolean <%= node['apt']['unattended_upgrades']['enable'] ? 'true' : 'false' %>

test/cookbooks/apt_test/recipes/unattended-upgrades.rb

@@ -0,0 +1,20 @@
+#
+# Cookbook Name:: apt_test
+# Recipe:: unattended-upgrades
+#
+# Copyright 2014, Opscode, Inc.
+#
+# 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.
+#
+
+include_recipe 'apt::unattended-upgrades'