[CODE] caddy, cronmail: only run, if update needed

tasks/caddy-install.yml

@@ -6,48 +6,63 @@
   shell: lsb_release -is
   register: lsb_id
 
-- name: caddyserver - Stop caddy
-  become: yes
-  service:
-    name: caddy
-    state: stopped
-  ignore_errors: yes
-
-- name: caddyserver - Make temp download directory
+- name: caddyserver - Create cache directory
   file:
-    path: /tmp/caddy
+    path: "{{ caddy_cachedir }}"
     state: directory
 
-- name: caddyserver - Download caddy webserver (amd64)
+- name: caddyserver - Get all caddy releases
   get_url:
-    url: "https://caddyserver.com/download/linux/amd64?plugins=http.ratelimit&license=personal"
-    dest: /tmp/caddy/caddy.tar.gz
-  when: lsb_id.stdout != "Raspbian"
-- name: caddyserver - Download caddy webserver (raspberry pi)
-  get_url:
-    url: "https://caddyserver.com/download/linux/arm7?plugins=http.ratelimit&license=personal"
-    dest: /tmp/caddy/caddy.tar.gz
-  when: lsb_id.stdout == "Raspbian"
+    url: https://api.github.com/repos/caddyserver/caddy/git/refs/tags
+    dest: "{{ caddy_cachedir }}/releases.txt"
+    force: yes
+  register: caddy_releases_cache
 
-- name: caddyserver - Extract caddy
-  shell: "cd /tmp/caddy && tar -xvf caddy.tar.gz"
-- name: caddyserver - Copy caddy to a PATH location
-  become: yes
-  shell: "cp /tmp/caddy/caddy /usr/local/bin"
-- name: caddyserver - Clean up download files
-  become: yes
-  file:
-    path: /tmp/caddy
-    state: absent
-- name: caddyserver - Install caddy APT dependencies
-  become: yes
-  apt:
-    name: libcap2-bin
-    state: present
-- name: caddyserver - Give caddy port binding capabilities
-  become: yes
-  shell: "setcap cap_net_bind_service=+ep /usr/local/bin/caddy"
-  # capabilities:
-  #   path: "{{ caddy_bin }}"
-  #   capability: cap_net_bind_service+ep
-  #   state: present
+- name: caddyserver - Install or update
+  block:
+    - name: caddyserver - Make temp download directory
+      file:
+        path: "{{ caddy_cachedir }}/tmp"
+        state: directory
+
+    - name: caddyserver - Download caddy webserver (amd64)
+      get_url:
+        url: "https://caddyserver.com/download/linux/amd64?plugins=http.ratelimit&license=personal"
+        dest: "{{ caddy_cachedir }}/tmp/caddy.tar.gz"
+      when: lsb_id.stdout != "Raspbian"
+    - name: caddyserver - Download caddy webserver (raspberry pi)
+      get_url:
+        url: "https://caddyserver.com/download/linux/arm7?plugins=http.ratelimit&license=personal"
+        dest: "{{ caddy_cachedir }}/tmp/caddy.tar.gz"
+      when: lsb_id.stdout == "Raspbian"
+
+    - name: caddyserver - Stop caddy
+      become: yes
+      service:
+        name: caddy
+        state: stopped
+      ignore_errors: yes
+
+    - name: caddyserver - Extract caddy
+      shell: "cd {{ caddy_cachedir }}/tmp && tar -xvf caddy.tar.gz"
+    - name: caddyserver - Copy caddy to a PATH location
+      become: yes
+      shell: "cp {{ caddy_cachedir }}/tmp/caddy /usr/local/bin"
+    - name: caddyserver - Clean up download files
+      become: yes
+      file:
+        path: "{{ caddy_cachedir }}/tmp"
+        state: absent
+    - name: caddyserver - Install caddy APT dependencies
+      become: yes
+      apt:
+        name: libcap2-bin
+        state: present
+    - name: caddyserver - Give caddy port binding capabilities
+      become: yes
+      shell: "setcap cap_net_bind_service=+ep /usr/local/bin/caddy"
+      # capabilities:
+      #   path: "{{ caddy_bin }}"
+      #   capability: cap_net_bind_service+ep
+      #   state: present
+  when: caddy_releases_cache.changed