From 8699d66347106ee85ac775acc625f069494b02b7 Mon Sep 17 00:00:00 2001
From: Jon <jonathon.lockwood@networkedweb.com>
Date: Tue, 19 Sep 2023 15:22:03 +0930
Subject: [PATCH] feat(metrics): CoreDNS service monitor

!1
---
 templates/ServiceMonitor-CoreDNS.yaml | 28 +++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 templates/ServiceMonitor-CoreDNS.yaml

diff --git a/templates/ServiceMonitor-CoreDNS.yaml b/templates/ServiceMonitor-CoreDNS.yaml
new file mode 100644
index 0000000..5c96bb3
--- /dev/null
+++ b/templates/ServiceMonitor-CoreDNS.yaml
@@ -0,0 +1,28 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  labels:
+    app.kubernetes.io/name: coredns
+    app.kubernetes.io/part-of: {{ $.Chart.Name }}
+    app.kubernetes.io/version: {{ $.Chart.Version }}
+    app.kubernetes.io/managed-by: {{ $.Release.Service }}
+  name: coredns
+  namespace: monitoring
+spec:
+  endpoints:
+  - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
+    interval: 15s
+    metricRelabelings:
+    - action: drop
+      regex: coredns_cache_misses_total
+      sourceLabels:
+      - __name__
+    port: metrics
+  jobLabel: app.kubernetes.io/name
+  namespaceSelector:
+    matchNames:
+    - kube-system
+  selector:
+    matchLabels:
+      k8s-app: kube-dns