update alert

docker-compose.yml

@@ -17,8 +17,7 @@ services:
       - prometheus_data:/prometheus
     command:
       - '--config.file=/etc/prometheus/prometheus.yml'
-      - '--storage.local.path=/prometheus'
+      - '--storage.tsdb.path=/prometheus'
-      - '--alertmanager.url=http://alertmanager:9093'
       - '--web.console.libraries=/usr/share/prometheus/console_libraries'
       - '--web.console.templates=/usr/share/prometheus/consoles'
     ports:

prometheus/alert.rules

@@ -1,9 +1,11 @@
-ALERT service_down
+groups:
-  IF up == 0
+- name: example
-  
+  rules:
-ALERT high_load
+  - alert: InstanceDown
-  IF node_load1 > 0.5
+    expr: up == 0
-  ANNOTATIONS {
+    for: 5m
-      summary = "Instance {{ $labels.instance }} under high load",
+    labels:
-      description = "{{ $labels.instance }} of job {{ $labels.job }} is under high load.",
+      severity: page
-  }
+    annotations:
+      summary: "Instance {{ $labels.instance }} down"
+      description: "{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes."

prometheus/prometheus.yml

@@ -15,6 +15,14 @@ rule_files:
   # - "first.rules"
   # - "second.rules"
 
+# alert
+alerting:
+  alertmanagers:
+  - scheme: http
+    static_configs:
+    - targets:
+      - "alertmanager:9093"
+
 # A scrape configuration containing exactly one endpoint to scrape:
 # Here it's Prometheus itself.
 scrape_configs: