Observersation

 

Grafana :- managing metrics, logs and traces

https://grafana.com/

For helm installation

https://helm.sh/   --> Click download a binary 

 https://github.com/helm/helm/releases/tag/v4.2.3

 Click Linux amd64 (checksum / e9b88b4ee95b18c706839c28d3a0220e5bc470e9cd9262410c90793c45ff8b7c)

Copy the link           https://get.helm.sh/helm-v4.2.3-linux-amd64.tar.gz

 

 

 

[root@master01 ~]# ls -al

[root@master01 ~]# tar -xf helm-v4.2.3-linux-amd64.tar.gz

[root@master01 ~]# ls

[root@master01 ~]# cd linux-amd64/

[root@master01 linux-amd64]# ls

[root@master01 linux-amd64]# cp helm /usr/bin/

[root@master01 linux-amd64]# ls

[root@master01 linux-amd64]# cd

[root@master01 ~]# helm version

 

https://artifacthub.io/

 

Click install

 

 

[root@master01 ~]# helm repo list

[root@master01 ~]# helm repo add prometheus-community https://prometheus-community.github.io/helm-charts

[root@master01 ~]# helm repo list

 

[root@master01 ~]# kubectl create ns observe

[root@master01 ~]# helm install my-prometheus prometheus-community/prometheus --version 29.21.0 -n observe

 

Solution:

 

[root@master01 ~]# helm install my-prometheus prometheus-community/prometheus --version 29.21.0 -n observe

 

[root@master01 ~]# kubectl get pod

 

[root@master01 ~]# helm list -A

 

[root@master01 ~]# helm list -n observe

 

[root@master01 ~]# helm repo list

[root@master01 ~]# helm list -A

 [root@master01 ~]# helm uninstall my-prometheus -n observe

 

 [root@master01 ~]# helm list -A

 [root@master01 ~]# vi prometheus.yaml

 

 

server:

  persistentVolume:

    enabled: false

  service:

    type: ClusterIP

alertmanager:

  enabled: true

 persistentVolume:

   enabled: false

pushgateway:

   enabled: false

nodeExporter:

   enabled: true

kubeStateMetrics:

   enabled: true

 

 To check syntax

 [root@master01 ~]#dnf install -y python3

[root@master01 ~]# python3 -c "import yaml; yaml.safe_load(open('prometheus.yaml'))" && echo "VALID" || echo "INVALID"

[root@master01 ~]# helm install my-prometheus prometheus-community/prometheus --version 29.21.0 -f prometheus.yml

 

[root@master01 ~]# kubectl get pods -n observe

 

[root@master01 ~]# kubectl get pods -n observe -o wide