contrib/kube-prometheus: Add kops CoreDNS prometheus discovery service

README.md

@@ -359,6 +359,17 @@ kops:
 (import 'kube-prometheus/kube-prometheus-kops.libsonnet')
 ```
 
+kops with CoreDNS:
+
+If your kops cluster is using CoreDNS, there is an additional mixin to import.
+
+[embedmd]:# (examples/jsonnet-snippets/kops-coredns.jsonnet)
+```jsonnet
+(import 'kube-prometheus/kube-prometheus.libsonnet') +
+(import 'kube-prometheus/kube-prometheus-kops.libsonnet') + 
+(import 'kube-prometheus/kube-prometheus-kops-coredns.libsonnet')
+```
+
 kubespray:
 
 [embedmd]:# (examples/jsonnet-snippets/kubespray.jsonnet)

examples/jsonnet-snippets/kops-coredns.jsonnet

+(import 'kube-prometheus/kube-prometheus.libsonnet') +
+(import 'kube-prometheus/kube-prometheus-kops.libsonnet') + 
+(import 'kube-prometheus/kube-prometheus-kops-coredns.libsonnet') 

jsonnet/kube-prometheus/kube-prometheus-kops-coredns.libsonnet

+local k = import 'ksonnet/ksonnet.beta.3/k.libsonnet';
+local service = k.core.v1.service;
+local servicePort = k.core.v1.service.mixin.spec.portsType;
+
+{
+  prometheus+:: {
+      kubeDnsPrometheusDiscoveryService:
+      service.new('kube-dns-prometheus-discovery', { 'k8s-app': 'kube-dns' }, [servicePort.newNamed('metrics', 9153, 9153)]) +
+      service.mixin.metadata.withNamespace('kube-system') +
+      service.mixin.metadata.withLabels({ 'k8s-app': 'kube-dns' }) +
+      service.mixin.spec.withClusterIp('None'),
+  },
+}