added alerts and renamed dns check

files/core_alerts.yml

@@ -203,5 +203,13 @@ groups:
     annotations:
       summary: "Certificate Test failed (instance {{ $labels.instance }})"
       description: "Certificate Probe Failed!\n  VALUE = {{ $value }}\n  LABELS: {{ $labels }}"
+  - alert: PostfixQueueNotEmpty
+    expr: topk(1, sum by (instance,le) (postfix_showq_message_age_seconds_bucket )> 0)
+    for: 30m
+    labels:
+      severity: warning
+    annotations:
+      summary: "Postfix Queue is not empty on (instance {{ $labels.instance }})"
+      description: "Postfix Queue is not empty.\n  VALUE= {{ $value}}\n  LABELS: {{ $labels }}"
 
 

templates/prometheus.yml.j2

@@ -178,7 +178,7 @@ scrape_configs:
 {%     endif %}
 {%     if blackbox_monitoring.dns is defined %}
 {%       for domain in blackbox_monitoring.dns %}
-  - job_name: {{exporter}}_{{domain}}
+  - job_name: {{exporter}}_{{domain}}_dns
     scheme: https
     tls_config:
         ca_file: '/etc/ssl/prometheus_client/root.ca.crt'