grafana: make alerts better for fux

resources/chaosknoten/grafana/docker_compose/prometheus_alerts-fux.rules.yaml

@@ -2,13 +2,13 @@ groups:
   - name: Fux-Generic
     rules:
       - alert: HostJobFlaky
-        expr: group by(host, job) (changes(up{org="fux"}[24h]) > 7)
+        expr: group by(host, job) (changes(up{org="fux", job!="integrations/unix"}[24h]) > 5)
         for: 0m
         labels:
           severity: info
         annotations:
           summary: Job {{ $labels.job }} flaky on (host {{ $labels.instance }})
-          description: "The job {{ $labels.job }} on target: {{ $labels.host }} has been flaky over the last 24 hours."
+          description: "The job {{ $labels.job }} on target: {{ $labels.host }} has been flaky over the last 24 hours.\n VALUE = {{ $value }}"
   - name: Fux-SNMP
     rules:
       - alert: SnmpTargetMissing
@@ -18,7 +18,7 @@ groups:
           severity: critical
         annotations:
           summary: SNMP target missing (instance {{ $labels.instance }})
-          description: "SNMP target: {{ $labels.instance }} has disappeared for more the 15 min."
+          description: "A SNMP target has disappeared for more the 15 min.\n  VALUE = {{ $value }}"
   - name: Fux-DHCP
     rules:
       - alert: DhcpFuxSharedFailed
@@ -28,7 +28,7 @@ groups:
           severity: critical
         annotations:
           summary: DHCP for Fux Shared stoped working
-          description: "No DHCP lease for the Fux Shared range was received \n V"
+          description: "No DHCP lease for the Fux Shared range was received"
       - alert: DhcpFuxAdminFailed
         expr: script_success{script_success="check_dhcp_fux_admin"} == 0
         for: 0m