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

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

@@ -0,0 +1,28 @@
+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 }}"