Merge branch 'monitoring-stack-deployment'

- Добавлена роль cAdvisor для мониторинга Docker контейнеров
- Добавлены Loki и Promtail для сбора и хранения логов
- Добавлен Alertmanager с конфигурацией для Node-RED интеграции
- Добавлена роль Node-RED для автоматизации обработки алертов
- Настроена интеграция Prometheus → Alertmanager → Node-RED
- Все контейнеры запускаются на app3 (192.168.0.112)

roles/alertmanager/defaults/main.yml

@@ -0,0 +1,12 @@
+---
+# Alertmanager settings
+alertmanager_port: 9093
+alertmanager_config_path: /etc/alertmanager
+
+# Email notifications (заполнить позже)
+smtp_host: localhost
+smtp_from: alertmanager@example.com
+smtp_to: admin@example.com
+
+# Webhook для тестирования
+webhook_url: "http://localhost:9099"

roles/alertmanager/tasks/main.yml

@@ -7,13 +7,13 @@
     group: root
     mode: '0755'
   loop:
-    - /etc/alertmanager
+    - "{{ alertmanager_config_path }}"
     - /var/lib/alertmanager
 
 - name: Deploy Alertmanager configuration
   template:
     src: alertmanager.yml.j2
-    dest: /etc/alertmanager/alertmanager.yml
+    dest: "{{ alertmanager_config_path }}/alertmanager.yml"
     owner: root
     group: root
     mode: '0644'
@@ -25,9 +25,9 @@
     state: started
     restart_policy: always
     ports:
-      - "9093:9093"
+      - "{{ alertmanager_port }}:9093"
     volumes:
-      - /etc/alertmanager/alertmanager.yml:/etc/alertmanager/alertmanager.yml
+      - "{{ alertmanager_config_path }}/alertmanager.yml:/etc/alertmanager/alertmanager.yml"
       - /var/lib/alertmanager:/alertmanager
     command: --config.file=/etc/alertmanager/alertmanager.yml --storage.path=/alertmanager
   tags: alertmanager

roles/alertmanager/templates/alertmanager.yml.j2

@@ -1,21 +1,52 @@
 global:
-  smtp_smarthost: 'localhost:25'
-  smtp_from: 'alertmanager@example.com'
+  # Настройки для уведомлений (можно настроить позже)
+  # smtp_smarthost: 'smtp.gmail.com:587'
+  # smtp_from: 'alertmanager@example.com'
+  # smtp_auth_username: 'user@gmail.com'
+  # smtp_auth_password: 'password'
+  # smtp_require_tls: true
 
 route:
-  group_by: ['alertname']
+  # Основной маршрут - все алерты идут в Node-RED
+  receiver: 'node-red-webhook'
+  group_by: ['alertname', 'severity']
+  group_wait: 10s
+  group_interval: 10s
+  repeat_interval: 1h
+  
+  # Вложенные маршруты
+  routes:
+    - match:
+        severity: critical
+      receiver: 'node-red-critical'
+      group_wait: 5s
+      repeat_interval: 10m
+      
+    - match:
+        severity: warning
+      receiver: 'node-red-warning'
       group_wait: 30s
-  group_interval: 5m
-  repeat_interval: 12h
-  receiver: 'email-notifications'
+      repeat_interval: 2h
 
 receivers:
-- name: 'email-notifications'
-  email_configs:
-  - to: 'alerts@example.com'
+  - name: 'node-red-webhook'
+    webhook_configs:
+      - url: 'http://node-red:1880/webhook/alertmanager'
         send_resolved: true
 
-- name: 'webhook-notifications'
+  - name: 'node-red-critical'
     webhook_configs:
-  - url: 'http://node-red:1880/alerts'
+      - url: 'http://node-red:1880/webhook/critical'
         send_resolved: true
+        
+  - name: 'node-red-warning'
+    webhook_configs:
+      - url: 'http://node-red:1880/webhook/warning'
+        send_resolved: true
+
+inhibit_rules:
+  - source_match:
+      severity: 'critical'
+    target_match:
+      severity: 'warning'
+    equal: ['alertname', 'instance']

roles/node-red/defaults/main.yml

@@ -0,0 +1,9 @@
+---
+# Node-RED settings
+node_red_port: 1880
+node_red_data_dir: /var/lib/node-red
+node_red_image: nodered/node-red:latest
+
+# Persistence settings
+node_red_persist_flows: true
+node_red_enable_projects: false

roles/node-red/tasks/main.yml

@@ -1,22 +1,32 @@
 ---
-- name: Create Node-RED data directory
+- name: Create Node-RED data directory with correct permissions
   file:
-    path: /var/lib/node-red
+    path: "{{ node_red_data_dir }}"
     state: directory
-    owner: root
-    group: root
+    owner: 1000  # Node-RED контейнер запускается от пользователя 1000
+    group: 1000
     mode: '0755'
 
 - name: Run Node-RED container
   docker_container:
     name: node-red
-    image: nodered/node-red:latest
+    image: "{{ node_red_image }}"
     state: started
     restart_policy: always
     ports:
-      - "1880:1880"
+      - "{{ node_red_port }}:1880"
     volumes:
-      - /var/lib/node-red:/data
-    environment:
-      NODE_RED_ENABLE_PROJECTS: "false"
+      - "{{ node_red_data_dir }}:/data"
+    user: "1000:1000"  # Запускаем от правильного пользователя
+    env:
+      NODE_RED_ENABLE_PROJECTS: "{{ 'true' if node_red_enable_projects else 'false' }}"
+      TZ: "UTC"
+  tags: node-red
+
+- name: Display Node-RED access info
+  debug:
+    msg: |
+      Node-RED is available at:
+      - Web UI: http://{{ inventory_hostname }}:{{ node_red_port }}
+      - API: http://{{ inventory_hostname }}:{{ node_red_port }}/red/api
   tags: node-red