updated the kubernetes example

Signed-off-by: Luuk van den Maagdenberg <[email protected]>

Author: Luukvdm

Diff for: examples/kubernetes/daemonset.yaml

@@ -3,36 +3,33 @@ kind: DaemonSet
 metadata:
   name: systemd-exporter
   labels:
-    name: systemd-exporter
+    app.kubernetes.io/name: systemd-exporter
 spec:
   selector:
     matchLabels:
-      k8s-app: systemd-exporter
+      app.kubernetes.io/name: systemd-exporter
   updateStrategy:
     rollingUpdate:
       maxUnavailable: 100%
     type: RollingUpdate
   template:
     metadata:
       labels:
-        k8s-app: systemd-exporter
-      annotations:
-        prometheus.io/scrape: "true"
-        prometheus.io/path: "/metrics"
-        prometheus.io/port: "9558"
+        app.kubernetes.io/name: systemd-exporter
     spec:
       securityContext:
         runAsUser: 0
       hostPID: true
+      hostNetwork: true
       containers:
       - name: systemd-exporter
-        image: quay.io/prometheuscommunity/systemd-exporter:master
+        image: prometheuscommunity/systemd-exporter
         securityContext:
           privileged: true
         args:
         - --log.level=info
         - --path.procfs=/host/proc
-        - --collector.unit-whitelist=kubelet.service|docker.service
+        - --systemd.collector.unit-include=kubelet.service|docker.service|containerd.service
         ports:
         - name: metrics
           containerPort: 9558

Diff for: examples/kubernetes/podmonitor.yaml

@@ -0,0 +1,17 @@
+# requires that you have deployed the PodMonitor CRD (comes with Prometheus)
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: systemd-exporter
+  labels:
+    app.kubernetes.io/name: systemd-exporter-podmonitor
+spec:
+  podMetricsEndpoints:
+  - port: metrics
+    path: "/metrics"
+    interval: 30s
+    scrapeTimeout: 10s
+  jobLabel: systemd-exporter
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: systemd-exporter