Merge pull request #4 from mjourdan/feat_reboot

Feat reboot

README.md

@@ -39,6 +39,17 @@ This default configuration sets `dnf-automatic` up to automatically download and
 
 Note that the `dnf_automatic_base_overrides` dictionary can be used to override arbitrary preferences from the base dnf configuration file for `dnf-automatic`.
 
+In addition, `dnf_automatic_reboot` can be set to true to perform automatic reboots when installed updates require it:
+
+```yaml
+dnf_automatic_reboot: false
+dnf_automatic_reboot_dependencies: yum-utils
+dnf_automatic_reboot_OnCalendar: "03:00"
+dnf_automatic_reboot_AccuracySec: "15s"
+dnf_automatic_reboot_Description: "dnf-automatic-reboot"
+dnf_automatic_reboot_ExecStart: /bin/bash -c '/bin/needs-restarting -r || /sbin/reboot'
+```
+
 Dependencies
 ------------
 
@@ -56,6 +67,16 @@ This example playbook deploys `dnf-automatic` on all hosts but is configured suc
   - { role: exploide.dnf-automatic, dnf_automatic_upgrade_type: default }
 ```
 
+This example playbook deploys `dnf-automatic` to install security updates only, and deploys additional timer to reboot at 4:00 am when required:
+
+```yaml
+- hosts: all
+  remote_user: root
+  roles:
+  - { role: exploide.dnf-automatic, dnf_automatic_reboot: true, dnf_automatic_reboot_time: "04:00" }
+```
+
+
 License
 -------
 

defaults/main.yml

@@ -35,3 +35,12 @@ dnf_automatic_email_host: localhost
 
 # this dict can be used to override arbitrary settings from dnf.conf
 dnf_automatic_base_overrides: {}
+
+# Reboot
+
+dnf_automatic_reboot: false
+dnf_automatic_reboot_dependencies: yum-utils
+dnf_automatic_reboot_OnCalendar: "03:00"
+dnf_automatic_reboot_AccuracySec: "15s"
+dnf_automatic_reboot_Description: "dnf-automatic-reboot"
+dnf_automatic_reboot_ExecStart: /bin/bash -c '/bin/needs-restarting -r || /sbin/reboot'

meta/main.yml

@@ -8,6 +8,7 @@ galaxy_info:
     - name: EL
       versions:
       - 7
+      - 8
     - name: Fedora
       versions:
       - all

tasks/main.yml

@@ -15,3 +15,32 @@
     name: dnf-automatic-install.timer
     state: started
     enabled: yes
+
+- block:
+
+  - name: Install dependencies needed for reboot
+    package:
+      name: "{{ dnf_automatic_reboot_dependencies }}"
+      state: present
+    tags: pkg
+
+  - name: Deploy service and timer units
+    template:
+      src: "{{ item }}"
+      dest: "/etc/systemd/system/{{ item }}"
+      owner: root
+      group: root
+      mode: 0640
+    loop:
+      - dnf-automatic-reboot.service
+      - dnf-automatic-reboot.timer
+
+  when: dnf_automatic_reboot|bool
+
+- name: Set timer state for auto reboot
+  systemd:
+    name: dnf-automatic-reboot.timer
+    state: "{{ dnf_automatic_reboot | ternary ('started', 'stopped') }}"
+    enabled: "{{ dnf_automatic_reboot }}"
+    masked: false
+    daemon_reload: true

templates/dnf-automatic-reboot.service

@@ -0,0 +1,8 @@
+# Managed by ansible - role dnf-automatic
+
+[Unit]
+Description={{ dnf_automatic_reboot_Description }} service
+
+[Service]
+Type=oneshot
+ExecStart={{ dnf_automatic_reboot_ExecStart }}

templates/dnf-automatic-reboot.timer

@@ -0,0 +1,11 @@
+# Managed by ansible - role dnf-automatic
+
+[Unit]
+Description={{ dnf_automatic_reboot_Description }} timer
+
+[Timer]
+OnCalendar={{ dnf_automatic_reboot_OnCalendar }}
+AccuracySec={{ dnf_automatic_reboot_AccuracySec }}
+
+[Install]
+WantedBy=timers.target