Add extraScrapeConfigs in prometheus-config-values.yaml

adoc/admin-monitoring-stack.adoc

@@ -1147,7 +1147,17 @@ cd /etc/kubernetes
 kubectl --kubeconfig=admin.conf -n monitoring create secret generic etcd-certs --from-file=/etc/kubernetes/pki/etcd/ca.crt --from-file=/etc/kubernetes/pki/etcd/healthcheck-client.crt --from-file=/etc/kubernetes/pki/etcd/healthcheck-client.key
 ----
 
-. Edit the configuration file `prometheus-config-values.yaml`, add `extraSecretMounts` part
+. Get all etcd cluster private IP address
++
+[source,bash]
+----
+kubectl get pods -n kube-system -l component=etcd -o wide
+NAME           READY   STATUS    RESTARTS   AGE   IP             NODE      NOMINATED NODE   READINESS GATES
+etcd-master0   1/1     Running   2          21h   192.168.0.6    master0   <none>           <none>
+etcd-master1   1/1     Running   2          21h   192.168.0.20   master1   <none>           <none>
+----
+
+. Edit the configuration file `prometheus-config-values.yaml`, add `extraSecretMounts` and `extraScrapeConfigs` parts, change the extraScrapeConfigs targets IP address(es) as your environment and change the target numbers if you have different etcd cluster members
 +
 ----
 # Alertmanager configuration
@@ -1238,13 +1248,24 @@ server:
     secretName: etcd-certs
     readOnly: true
 
+extraScrapeConfigs: |
+  - job_name: etcd
+    static_configs:
+    - targets: ['192.168.0.32:2379','192.168.0.17:2379','192.168.0.5:2379'
+    scheme: https
+    tls_config:
+      ca_file: /etc/secrets/ca.crt
+      cert_file: /etc/secrets/healthcheck-client.crt
+      key_file: /etc/secrets/healthcheck-client.key
+
 ## Prometheus is configured through prometheus.yml. This file and any others
 ## listed in serverFiles will be mounted into the server pod.
 ## See configuration options
 ## https://prometheus.io/docs/prometheus/latest/configuration/configuration/
 #serverFiles:
 #  prometheus.yml:
 ----
+
 . Upgrade prometheus helm deployment
 +
 [source,bash]
@@ -1253,31 +1274,3 @@ helm upgrade prometheus suse/prometheus \
 --namespace monitoring \
 --values prometheus-config-values.yaml
 ----
-. First get all etcd cluster private IP address.
-+
-[source,bash]
-----
-kubectl get pods -n kube-system -l component=etcd -o wide
-NAME           READY   STATUS    RESTARTS   AGE   IP             NODE      NOMINATED NODE   READINESS GATES
-etcd-master0   1/1     Running   2          21h   192.168.0.6    master0   <none>           <none>
-etcd-master1   1/1     Running   2          21h   192.168.0.20   master1   <none>           <none>
-----
-. Add new job for etcd, change the target ip address as your environment and change the target numbers if you have different etcd cluster members.
-[source,bash]
-+
-----
-kubectl edit -n monitoring configmap prometheus-server
-----
-+
-----
-scrape_configs:
-  - job_name: etcd
-    static_configs:
-    - targets: ['192.168.0.6:2379','192.168.0.20:2379']
-    scheme: https
-    tls_config:
-      ca_file: /etc/secrets/ca.crt
-      cert_file: /etc/secrets/healthcheck-client.crt
-      key_file: /etc/secrets/healthcheck-client.key
-----
-. Save the new configmap, the prometheus server will auto reload new configmap.