Добавлена установка Grafana: роли, плейбуки и конфигурация

playbooks/monitoring/check_grafana.yml

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+---
+- name: Check Grafana installation status
+  hosts: grafana
+  become: yes
+  tasks:
+    - name: Check Grafana service
+      systemd:
+        name: grafana
+      register: service_status
+    
+    - name: Check if Grafana is listening on port
+      wait_for:
+        port: 3000
+        host: 127.0.0.1
+        timeout: 10
+        state: started
+      register: port_status
+    
+    - name: Check Grafana API health
+      uri:
+        url: "http://localhost:3000/api/health"
+        method: GET
+        status_code: 200
+        timeout: 10
+      register: api_status
+      ignore_errors: yes
+    
+    - name: Get Grafana version
+      command: /usr/local/bin/grafana-server --version
+      register: version_info
+      changed_when: false
+      ignore_errors: yes
+    
+    - name: Display Grafana status report
+      debug:
+        msg: |
+          📊 Статус Grafana на {{ inventory_hostname }}:
+          
+          Служба: {{ "✅ Запущена" if service_status.status.ActiveState == "active" else "❌ Остановлена" }}
+          Порт 3000: {{ "✅ Открыт" if port_status.state == "started" else "❌ Закрыт" }}
+          API: {{ "✅ Доступен (HTTP " ~ api_status.status ~ ")" if api_status.status == 200 else "❌ Недоступен" }}
+          
+          {% if version_info is succeeded %}
+          Версия: {{ version_info.stdout_lines[-1] | regex_search('Version ([0-9.]+)') | default('Неизвестна') }}
+          {% else %}
+          Версия: Не удалось определить
+          {% endif %}

playbooks/monitoring/cleanup_grafana.yml

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+---
+- name: Clean up Grafana completely
+  hosts: grafana
+  become: yes
+  tasks:
+    - name: Stop and disable Grafana service
+      systemd:
+        name: grafana
+        state: stopped
+        enabled: no
+        daemon_reload: yes
+      ignore_errors: yes
+
+    - name: Remove systemd service file
+      file:
+        path: /etc/systemd/system/grafana.service
+        state: absent
+
+    - name: Remove symlinks
+      file:
+        path: "{{ item }}"
+        state: absent
+      loop:
+        - /usr/local/bin/grafana-server
+        - /usr/local/bin/grafana-cli
+
+    - name: Remove Grafana directories
+      file:
+        path: "{{ item }}"
+        state: absent
+      loop:
+        - /usr/share/grafana
+        - /usr/share/grafana-*
+        - /var/lib/grafana
+        - /var/log/grafana
+        - /etc/grafana
+
+    - name: Remove temporary files
+      file:
+        path: /tmp/grafana-*.tar.gz
+        state: absent
+
+    - name: Remove Grafana user and group
+      user:
+        name: grafana
+        state: absent
+        remove: yes
+
+    - name: Reload systemd
+      systemd:
+        daemon_reload: yes
+
+    - name: Verify cleanup
+      debug:
+        msg: "✅ Grafana полностью удалена с хоста {{ inventory_hostname }}"

playbooks/monitoring/install_grafana.yml

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+---
+- name: Install and configure Grafana
+  hosts: grafana
+  become: yes
+  vars:
+    grafana_version: "12.3.2"
+    grafana_admin_password: "admin"
+  roles:
+    - grafana

playbooks/monitoring/install_grafana_final.yml

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+---
+- name: Install and configure Grafana (with health checks)
+  hosts: grafana
+  become: yes
+  vars:
+    grafana_version: "12.3.2"
+    grafana_admin_password: "admin"
+  
+  tasks:
+    - name: Include Grafana role
+      include_role:
+        name: grafana
+    
+    - name: Final verification from control node
+      delegate_to: localhost
+      run_once: yes
+      block:
+        - name: Wait for Grafana to be fully ready
+          pause:
+            seconds: 30
+            prompt: "Waiting for Grafana to complete initialization..."
+        
+        - name: Test Grafana access from control node
+          uri:
+            url: "http://{{ hostvars[groups['grafana'][0]]['ansible_default_ipv4']['address'] | default(groups['grafana'][0]) }}:3000/api/health"
+            method: GET
+            status_code: 200
+            timeout: 30
+          register: final_check
+          until: final_check.status == 200
+          retries: 12  # 12 попыток * 5 секунд = 60 секунд
+          delay: 5
+        
+        - name: Display final success message
+          debug:
+            msg: |
+              🎉 Grafana успешно установлена и готова к работе!
+              
+              Доступ по адресу: http://{{ hostvars[groups['grafana'][0]]['ansible_default_ipv4']['address'] | default(groups['grafana'][0]) }}:3000
+              Логин: admin
+              Пароль: {{ grafana_admin_password }}
+              
+              Для проверки выполните команду:
+              curl http://{{ hostvars[groups['grafana'][0]]['ansible_default_ipv4']['address'] | default(groups['grafana'][0]) }}:3000/api/health
+              
+              Или откройте в браузере:
+              http://{{ hostvars[groups['grafana'][0]]['ansible_default_ipv4']['address'] | default(groups['grafana'][0]) }}:3000