kube-prometheus: Re-generate

jsonnetfile.lock.json

@@ -8,7 +8,7 @@
                     "subdir": "contrib/kube-prometheus/jsonnet/kube-prometheus"
                 }
             },
-            "version": "f2724c252dad424580f3d5061304f88b4e1a2bb5"
+            "version": "dff8f44fbce268596c86b8d586c64c17953feab3"
         },
         {
             "name": "ksonnet",
@@ -78,7 +78,7 @@
                     "subdir": "Documentation/etcd-mixin"
                 }
             },
-            "version": "bb25891960b9ebbe0f526d1e067f94906d6fb58f"
+            "version": "02a9810a9e4e5c95feed4a6d6d2c5525fe2af1c1"
         }
     ]
 }

manifests/prometheus-rules.yaml

@@ -293,6 +293,15 @@ spec:
       for: 15m
       labels:
         severity: critical
+    - alert: CoreDNSDown
+      annotations:
+        message: CoreDNS has disappeared from Prometheus target discovery.
+        runbook_url: https://github.com/kubernetes-monitoring/kubernetes-mixin/tree/master/runbook.md#alert-name-corednsdown
+      expr: |
+        absent(up{job="kube-dns"} == 1)
+      for: 15m
+      labels:
+        severity: critical
     - alert: KubeAPIDown
       annotations:
         message: KubeAPI has disappeared from Prometheus target discovery.

manifests/prometheus-serviceMonitorCoreDNS.yaml

@@ -9,12 +9,10 @@ spec:
   endpoints:
   - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
     interval: 15s
-    port: http-metrics
+    port: metrics
-  jobLabel: k8s-app
   namespaceSelector:
     matchNames:
     - kube-system
   selector:
     matchLabels:
-      component: metrics
+      k8s-app: kube-dns
-      k8s-app: coredns