Support defining a custom reboot command (#467)

Co-authored-by: Techno Tim <timothystewart6@gmail.com>

inventory/sample/group_vars/all.yml

@@ -160,6 +160,10 @@ custom_registries_yaml: |
         username: yourusername
         password: yourpassword
 
+# On some distros like Diet Pi, there is no dbus installed. dbus required by the default reboot command.
+# Uncomment if you need a custom reboot command
+# custom_reboot_command: /usr/sbin/shutdown -r now
+
 # Only enable and configure these if you access the internet through a proxy
 # proxy_env:
 #   HTTP_PROXY: "http://proxy.domain.local:3128"

reboot.yml

@@ -6,4 +6,5 @@
     - name: Reboot the nodes (and Wait upto 5 mins max)
       become: true
       reboot:
+        reboot_command: "{{ custom_reboot_command | default(omit) }}"
         reboot_timeout: 300

reset.yml

@@ -12,6 +12,7 @@
     - name: Reboot and wait for node to come back up
       become: true
       reboot:
+        reboot_command: "{{ custom_reboot_command | default(omit) }}"
         reboot_timeout: 3600
 
 - name: Revert changes to Proxmox cluster

roles/lxc/handlers/main.yml

@@ -2,4 +2,5 @@
 - name: Reboot server
   become: true
   reboot:
+    reboot_command: "{{ custom_reboot_command | default(omit) }}"
   listen: reboot server

roles/raspberrypi/handlers/main.yml

@@ -1,4 +1,5 @@
 ---
 - name: Reboot
   reboot:
+    reboot_command: "{{ custom_reboot_command | default(omit) }}"
   listen: reboot