REFACTOR: files fixed according to ansible-lint

roles/common_healthcheck/tasks/main.yaml

@@ -2,14 +2,14 @@
 - name: Internet connection test block
   block:
     - name: Test reachability to ya.ru
-      become: yes # Usually it's not necessary, but sometimes there are some wierd issues with ping, especially on Alpine 
-      shell: ping -c 5 ya.ru > /dev/null
+      become: true # Usually it's not necessary, but sometimes there are some wierd issues with ping, especially on Alpine
+      ansible.builtin.shell: ping -c 5 ya.ru > /dev/null
       changed_when: false   # This task does not change the system
-  
+
   rescue:
-    # This won't work for now. CA certificate reissuing is required!git 
+    # This won't work for now. CA certificate reissuing is required!
     - name: Create a test file
-      become: no
+      become: false
       ansible.builtin.uri:
         url: "{{ ha_addr }}/api/webhook/{{ ha_webhook_token }}"
         ca_path: ../files/ca.pem
@@ -20,19 +20,25 @@
 - name: Disk free space test block
   block:
     - name: Test free disk space in root
-      become: no
-      shell: df -h / | tail -1 | awk '{gsub(/%/, "", $5); print $5}' 
-      register: result
-      failed_when: result.stdout | int > 85
+      become: false
+      ansible.builtin.shell: set -o pipefail && df -h / | tail -1 | awk '{gsub(/%/, "", $5); print $5}'
+      register: common_healthcheck_result
+      failed_when: common_healthcheck_result.stdout | int > 1
       changed_when: false   # This task does not change the system
-  
+
   rescue:
     - name: Notify with ntfy
-      become: no
-      ansible.builtin.command: |
-        curl -H "Authorization: Bearer {{ ntfy_topic_token }}" \
-        -d "{{ ansible_facts['hostname'] }}: Disk space is low" \
-        {{ ntfy_topic }}
-      delegate_to: 127.0.0.1 
-      failed_when: false 
+      become: false
+      ansible.builtin.uri:
+        url: "{{ ntfy_topic }}"
+        method: POST
+        body_format: json
+        status_code: [200, 202]
+        return_content: true
+        headers:
+          Authorization: "Bearer {{ ntfy_topic_token }}"
+        body:
+          - "{{ ansible_facts['hostname'] }}: Disk space is low"
+      delegate_to: 127.0.0.1
+      failed_when: false
       changed_when: false   # This task does not change the system