Add cadvisor support with monitoring stack: alertmanager, loki, node-red, promtail

roles/promtail/defaults/main.yml

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+---
+# Loki connection
+loki_host: 192.168.0.112
+loki_port: 3100
+
+# Promtail settings
+promtail_port: 9080

roles/promtail/tasks/main.yml

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+---
+- name: Create Promtail directories
+  file:
+    path: /etc/promtail
+    state: directory
+    owner: root
+    group: root
+    mode: '0755'
+
+- name: Deploy Promtail configuration
+  template:
+    src: promtail-config.yml.j2
+    dest: /etc/promtail/promtail-config.yml
+    owner: root
+    group: root
+    mode: '0644'
+
+- name: Run Promtail container (using host network)
+  docker_container:
+    name: promtail
+    image: grafana/promtail:latest
+    state: started
+    restart_policy: always
+    network_mode: host  # <-- КЛЮЧЕВОЕ ИЗМЕНЕНИЕ
+    volumes:
+      - /var/log:/var/log:ro
+      - /var/lib/docker/containers:/var/lib/docker/containers:ro
+      - /etc/promtail/promtail-config.yml:/etc/promtail/config.yml
+    command: -config.file=/etc/promtail/config.yml
+    pid_mode: host
+  tags: promtail

roles/promtail/templates/promtail-config.yml.j2

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+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: http://localhost:3100/loki/api/v1/push  # Теперь localhost работает
+
+scrape_configs:
+  - job_name: system
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: varlogs
+          __path__: /var/log/*log
+          host: "{{ inventory_hostname }}"
+
+  - job_name: docker
+    static_configs:
+      - targets:
+          - localhost
+        labels:
+          job: docker
+          __path__: /var/lib/docker/containers/*/*log
+          host: "{{ inventory_hostname }}"