Update smartmon playbook for smartmon.py

Author: technowhizz

etc/kayobe/ansible/smartmon-tools.yml

@@ -13,22 +13,46 @@
         state: present
       become: true
 
+    - name: Ensure Python 3, venv, and pip are installed
+      ansible.builtin.package:
+        name:
+          - python3
+          - python3-venv
+          - python3-pip
+        state: present
+      become: true
+
+    - name: Create smartmon Python virtual environment
+      ansible.builtin.command:
+        cmd: python3 -m venv /opt/smartmon-venv
+        creates: /opt/smartmon-venv/bin/activate
+      become: true
+
+    - name: Install prometheus_client and pySMART in venv
+      ansible.builtin.pip:
+        name:
+          - prometheus_client
+          - pySMART
+        virtualenv: /opt/smartmon-venv
+        virtualenv_python: python3
+      become: true
+
     - name: Ensure the cron/crond service is running
       ansible.builtin.service:
         name: "{{ 'cron' if ansible_facts['distribution'] == 'Ubuntu' else 'crond' }}"
         state: started
         enabled: true
       become: true
 
-    - name: Copy smartmon.sh and nvmemon.sh from scripts folder
+    - name: Copy smartmon.py and nvmemon.sh from scripts folder
       ansible.builtin.copy:
         src: scripts/{{ item }}
-        dest: /usr/local/bin/
+        dest: /usr/local/bin/{{ item }}
         owner: root
         group: root
         mode: "0700"
       loop:
-        - smartmon.sh
+        - smartmon.py
         - nvmemon.sh
       become: true
 
@@ -40,16 +64,39 @@
         job: /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
       become: true
 
-    - name: Schedule cronjob to run both scripts every 5 minutes and save output to file
+    - name: Schedule cronjob to run smartmon.py every 5 minutes and save output to file
       ansible.builtin.cron:
-        name: SMART metrics for drive monitoring using {{ item }}
+        name: SMART metrics for drive monitoring using smartmon.py
+        user: root
+        minute: "*/5"
+        job: >-
+          umask 0022 && /opt/smartmon-venv/bin/python /usr/local/bin/smartmon.py --output /var/lib/docker/volumes/textfile/_data/smartmon.prom.temp &&
+          mv -f /var/lib/docker/volumes/textfile/_data/smartmon.prom.temp /var/lib/docker/volumes/textfile/_data/smartmon.prom
+      become: true
+
+    - name: Schedule cronjob to run nvmemon.sh every 5 minutes and save output to file
+      ansible.builtin.cron:
+        name: SMART metrics for drive monitoring using nvmemon.sh
         user: root
         minute: "*/5"
         job: >-
-          umask 0022 && /usr/local/bin/{{ item }}.sh >
-          /var/lib/docker/volumes/textfile/_data/{{ item }}.prom.temp &&
-          mv -f /var/lib/docker/volumes/textfile/_data/{{ item }}.prom.temp /var/lib/docker/volumes/textfile/_data/{{ item }}.prom
+          umask 0022 && /usr/local/bin/nvmemon.sh >
+          /var/lib/docker/volumes/textfile/_data/nvmemon.prom.temp &&
+          mv -f /var/lib/docker/volumes/textfile/_data/nvmemon.prom.temp /var/lib/docker/volumes/textfile/_data/nvmemon.prom
+      become: true
+
+    - name: Remove old cronjobs if present
+      ansible.builtin.cron:
+        name: SMART metrics for drive monitoring using {{ item }}
+        user: root
+        state: absent
+      become: true
       loop:
         - smartmon
         - nvmemon
+
+    - name: Remove old smartmon.sh if present
+      ansible.builtin.file:
+        path: /usr/local/bin/smartmon.sh
+        state: absent
       become: true