acpi: add normal acpid variant

Busybox's acpid doesn't support netlink

group_vars/all.yml

@@ -19,6 +19,10 @@ kernel_parameters:
 # 'seatd' or 'elogind'
 seat_manager: seatd
 
+# acpid implementation to use when elogind is not present
+# 'busybox' or 'acpid'
+acpid_daemon: busybox
+
 # busybox's mdev, skarnet's mdevd or eudev's udev
 device_manager: mdevd
 

roles/acpi/files/handler.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+PATH="/usr/share/acpid:$PATH"
+alias log='logger -t acpid'
+
+# <dev-class>:<dev-name>:<notif-value>:<sup-value>
+case "$1:$2:$3:$4" in
+
+button/power:PWRF:* | button/power:PBTN:*)
+	log 'Power button pressed'
+	poweroff
+;;
+button/sleep:SLPB:*)
+	log 'Sleep button pressed'
+	# Suspend to RAM.
+	zzz
+;;
+button/lid:*:close:*)
+	log 'Lid closed'
+	# Suspend to RAM if AC adapter is not connected.
+	[ "$(power-supply -d adapter -s)" = "offline" ] && zzz
+;;
+ac_adapter:*:*:*0)
+	log 'AC adapter unplugged'
+	# Suspend to RAM if notebook's lid is closed.
+	lid-state -c && zzz
+;;
+esac
+
+exit 0

roles/acpi/tasks/main.yml

@@ -26,8 +26,22 @@
       tags: laptop
   when: seat_manager == 'elogind'
 
-# Busybox's acpid
 - block:
+    - block:
+        - name: acpi | Install acpid and acpi-utils
+          apk:
+            name: acpid, acpi-utils
+            state: present
+
+        - name: acpi | Copy acpid event handler script
+          copy:
+            src: handler.sh
+            dest: /etc/acpi/handler.sh
+            mode: 0755
+            owner: root
+            group: root
+      when: acpid_daemon == 'acpid'
+
     - block:
         - name: acpi | Create directory for Lid Close event
           file:
@@ -45,6 +59,7 @@
             owner: root
             group: root
       tags: laptop
+      when: acpid_daemon == 'busybox'
 
     - name: acpi | Enable acpid service on runlevel 'default'
       service: