cleanup, add version support

ansible/roles/prometheus/tasks/main.yaml

@@ -8,12 +8,31 @@
 - name: Unarchive prometheus binary
   unarchive:
     src: "{{ download_result.dest }}"
-    dest: /usr/local/bin/
+    dest: /tmp
     remote_src: true # Indicates the source file is on the remote host
     owner: root
     group: root
     mode: 0755
 
+- name: Copy prometheus binary to /usr/local/bin
+  copy:
+    src: "/tmp/prometheus-{{ prometheus_version }}.linux-amd64/prometheus"
+    dest: "/usr/local/bin/prometheus-{{ prometheus_version }}"
+    owner: root
+    group: root
+    mode: '0755'
+    remote_src: yes
+
+- name: Create prometheus binary symlink
+  file:
+    src: "/usr/local/bin/prometheus-{{ prometheus_version }}"
+    dest: "/usr/local/bin/prometheus"
+    state: link
+    owner: root
+    group: root
+    mode: '0755' # Permissions for the target file
+    force: yes 
+
 - name: Create a prometheus group
   group:
     name: prometheus