From d4abc496a29c600862b9e7175cdea675a7b6c946 Mon Sep 17 00:00:00 2001
From: Tom Hughes <tom@compton.nu>
Date: Sun, 7 Apr 2019 19:20:18 +0100
Subject: [PATCH] Add support for systemd timer units

---
 cookbooks/systemd/resources/timer.rb          | 72 +++++++++++++++++++
 cookbooks/systemd/templates/default/timer.erb | 51 +++++++++++++
 2 files changed, 123 insertions(+)
 create mode 100644 cookbooks/systemd/resources/timer.rb
 create mode 100644 cookbooks/systemd/templates/default/timer.erb

diff --git a/cookbooks/systemd/resources/timer.rb b/cookbooks/systemd/resources/timer.rb
new file mode 100644
index 000000000..4cf920a9b
--- /dev/null
+++ b/cookbooks/systemd/resources/timer.rb
@@ -0,0 +1,72 @@
+#
+# Cookbook Name:: systemd
+# Resource:: systemd_timer
+#
+# Copyright 2019, OpenStreetMap Foundation
+#
+# 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
+#
+# https://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.
+#
+
+default_action :create
+
+property :timer, String, :name_property => true
+property :description, String, :required => true
+property :after, [String, Array]
+property :wants, [String, Array]
+property :on_active_sec, [Integer, String]
+property :on_boot_sec, [Integer, String]
+property :on_startup_sec, [Integer, String]
+property :on_unit_active_sec, [Integer, String]
+property :on_unit_inactive_sec, [Integer, String]
+property :on_calendar, String
+property :accuracy_sec, [Integer, String]
+property :randomized_delay_sec, [Integer, String]
+property :unit, String
+property :persistent, [TrueClass, FalseClass]
+property :wake_system, [TrueClass, FalseClass]
+property :remain_after_elapse, [TrueClass, FalseClass]
+
+action :create do
+  timer_variables = new_resource.to_hash
+
+  template "/etc/systemd/system/#{new_resource.timer}.timer" do
+    cookbook "systemd"
+    source "timer.erb"
+    owner "root"
+    group "root"
+    mode 0o644
+    variables timer_variables
+  end
+
+  execute "systemctl-reload-#{new_resource.timer}.timer" do
+    action :nothing
+    command "systemctl daemon-reload"
+    user "root"
+    group "root"
+    subscribes :run, "template[/etc/systemd/system/#{new_resource.timer}.timer]"
+  end
+end
+
+action :delete do
+  file "/etc/systemd/system/#{new_resource.timer}.timer" do
+    action :delete
+  end
+
+  execute "systemctl-reload-#{new_resource.timer}.timer" do
+    action :nothing
+    command "systemctl daemon-reload"
+    user "root"
+    group "root"
+    subscribes :run, "file[/etc/systemd/system/#{new_resource.timer}.timer]"
+  end
+end
diff --git a/cookbooks/systemd/templates/default/timer.erb b/cookbooks/systemd/templates/default/timer.erb
new file mode 100644
index 000000000..8ebdd90ac
--- /dev/null
+++ b/cookbooks/systemd/templates/default/timer.erb
@@ -0,0 +1,51 @@
+# DO NOT EDIT - This file is being maintained by Chef
+
+[Unit]
+Description=<%= @description %>
+<% if @after -%>
+After=<%= Array(@after).join(" ") %>
+<% end -%>
+<% if @wants -%>
+Wants=<%= Array(@wants).join(" ") %>
+<% end -%>
+
+[Timer]
+<% if @on_active_sec -%>
+OnActiveSec=<%= @on_active_sec %>
+<% end -%>
+<% if @on_boot_sec -%>
+OnBootSec=<%= @on_boot_sec %>
+<% end -%>
+<% if @on_startup_sec -%>
+OnStartupSec=<%= @on_startup_sec %>
+<% end -%>
+<% if @on_unit_active_sec -%>
+OnUnitActiveSec=<%= @on_unit_active_sec %>
+<% end -%>
+<% if @on_unit_inactive_sec -%>
+OnUnitInactiveSec=<%= @on_unit_inactive_sec %>
+<% end -%>
+<% if @on_calendar -%>
+OnCalendar=<%= @on_calendar %>
+<% end -%>
+<% if @accuracy_sec -%>
+AccuracySec=<%= @accuracy_sec %>
+<% end -%>
+<% if @randomized_delay_sec -%>
+RandomizedDelaySec=<%= @randomized_delay_sec %>
+<% end -%>
+<% if @unit -%>
+Unit=<%= @unit %>
+<% end -%>
+<% if @persistent -%>
+Persistent=<%= @persistent %>
+<% end -%>
+<% if @wake_system -%>
+WakeSystem=<%= @wake_system %>
+<% end -%>
+<% if @remain_after_elapse -%>
+RemainAfterElapse=<%= @remain_after_elapse %>
+<% end -%>
+
+[Install]
+WantedBy=multi-user.target
-- 
2.43.2