add systemd timer to update pacman mirrors daily

This increases the likelihood of speedy and up-to-date mirrors,
particularly during travel.

group_vars/all

@@ -71,7 +71,6 @@ base_packages:
     - coreutils
     - moreutils
     - dateutils
-    - reflector
     - bc
     - ranger
     - strace
@@ -283,4 +282,7 @@ aur_fonts:
 syncthing:
     run_on: trusted
 
+mirrorlist:
+  run_on: trusted
+
 kernel_parameters: "quiet consoleblank=60 i915.enable_psr=2"

playbook.yml

@@ -74,6 +74,7 @@
     - { role: himawaripy, tags: ['himawaripy'], when: "himawaripy is defined" }
     - { role: kiwix, tags: ['kiwix'] }
     - { role: syncthing, tags: ['syncthing'], when: "syncthing is defined" }
+    - { role: mirrorlist, tags: ['mirrorlist'], when: "mirrorlist is defined" }
   vars_prompt:
     - name: user_password
       prompt: "Enter desired user password"

roles/base/tasks/packages.yml

@@ -6,25 +6,12 @@
   tags:
     - packages
 
-- name: Push reflector update script
-  copy:
-      src: reflector-update.sh
-      dest: /usr/local/bin/reflector-update
-      mode: 0755
-  tags:
-    - packages
-
 - name: Create pacman hook directory
   file: path=/etc/pacman.d/hooks
         state=directory
   tags:
     - packages
 
-- name: Push pacman mirror list update hook
-  copy: src=mirrorlist.hook dest=/etc/pacman.d/hooks/mirrorlist.hook
-  tags:
-    - packages
-
 - name: Use all cores when compressing packages
   lineinfile:
     dest: /etc/makepkg.conf

roles/mirrorlist/files/reflector-update.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=Reflector Update Service
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/bin/reflector-update

roles/mirrorlist/files/reflector-update.timer

@@ -0,0 +1,11 @@
+[Unit]
+Description=Reflector Update Timer
+
+[Timer]
+Unit=reflector-update.service
+OnCalendar=daily
+Persistent=True
+RandomizedDelaySec=1h
+
+[Install]
+WantedBy=timers.target

roles/mirrorlist/handlers/main.yml

@@ -0,0 +1,4 @@
+---
+- name: restart reflector update
+  service: name=mirrorlist.timer state=restarted
+  when: mirrorlist.run_on == "all"

roles/mirrorlist/meta/main.yml

@@ -0,0 +1,4 @@
+---
+dependencies:
+  - { role: networkmanager }
+  - { role: systemd }

roles/mirrorlist/tasks/main.yml

@@ -0,0 +1,58 @@
+---
+- name: Install reflector
+  pacman:
+      name: reflector
+      state: present
+
+- name: Push reflector update script
+  copy:
+      src: reflector-update.sh
+      dest: /usr/local/bin/reflector-update
+      mode: 0755
+
+- name: Push pacman mirror list update hook
+  copy:
+      src: mirrorlist.hook
+      dest: /etc/pacman.d/hooks/mirrorlist.hook
+
+- name: Push reflector update service file
+  copy:
+      src: reflector-update.service
+      dest: /etc/systemd/system/
+  notify:
+    - reload systemd config
+
+- name: Push reflector update timer file
+  copy:
+      src: reflector-update.timer
+      dest: /etc/systemd/system/
+  notify:
+    - reload systemd config
+    - restart reflector update
+
+- name: Enable and start reflector timer
+  service:
+      name: reflector-update.timer
+      enabled: yes
+      state: started
+  when: mirrorlist.run_on == "all"
+
+- name: Remove reflector from trusted unit list
+  lineinfile:
+      dest: /usr/local/etc/trusted_units
+      state: absent
+      line: reflector-update.timer
+  when: mirrorlist.run_on == "all"
+
+- name: Disable reflector timer
+  service:
+      name: reflector-update.timer
+      enabled: no
+  when: mirrorlist.run_on == "trusted"
+
+- name: Add reflector to trusted unit list
+  lineinfile:
+      dest: /usr/local/etc/trusted_units
+      state: present
+      line: reflector-update.timer
+  when: mirrorlist.run_on == "trusted"