prometheus: Make version configurable

roles/prometheus/tasks/main.yml

@@ -16,7 +16,12 @@
 
 - name: Extract package
   ansible.builtin.unarchive:
-    src: https://github.com/prometheus/prometheus/releases/download/v2.45.0/prometheus-2.45.0.linux-amd64.tar.gz
+    src: >-
+      {{
+        "https://github.com/prometheus/prometheus/releases/download/v" +
+          prometheus_version + "/prometheus-" + prometheus_version +
+          ".linux-amd64.tar.gz"
+      }}
     dest: /usr/local/src
     owner: root
     group: "{{ ansible_wheel }}"
@@ -25,11 +30,13 @@
 - name: Copy binaries
   ansible.builtin.copy:
     dest: "/usr/local/sbin/{{ item }}"
-    src: "/usr/local/src/prometheus-2.45.0.linux-amd64/{{ item }}"
+    src: >-
+      /usr/local/src/prometheus-{{ prometheus_version }}.linux-amd64/{{ item }}
     mode: "0755"
     owner: root
     group: "{{ ansible_wheel }}"
     remote_src: true
+  notify: Restart prometheus
   with_items:
     - promtool
     - prometheus
@@ -109,7 +116,7 @@
       location / {
         proxy_pass http://127.0.0.1:9090;
       }
-    mode: 0644
+    mode: "0644"
     owner: root
     group: "{{ ansible_wheel }}"
   notify: Restart nginx