devops-project1.md

AWS EKS Prometheus Grafana Demo by Suraj Mandal

Use these commands during the demo

Note Please make sure the eks kubernetes version you are using is 1.23 I had issues with the latest one(1.27)

Install aws cli

brew install awscli

Temporarily change editor (optional)

export EDITOR=nano

Edit aws lab config

subl ~/.aws/credentials

Then go to awsacademy account and copy the credentials to this file(replace all there is by default)

Connect to the cluster

aws eks --region us-west-2 update-kubeconfig --name eks1

Create a namespace

k create ns ns1

Set default namespace

k config set-context --current --namespace=ns1

Create a deployment

k apply -f file1.yaml
k apply -f file2.yaml

Create prometheus

k apply -f monitoring.yaml

Show prometheus stuff

k get all -n kube-system

DO the same for two deployments

k get pods -o wide -l app=app1
k get pods -o wide -l app=app2
k get nodes
k get pods -o wide
k get pods -o wide | grep <node-name>

Delete all in namespace command, DO NOT USE THIS, THIS IS JUST FO REFERANCE!!

k delete daemonsets,replicasets,services,deployments,pods,rc,ingress,statefulset --all -n prometheus

k delete clusterrole prometheus-kube-state-metrics prometheus-alertmanager prometheus-pushgateway prometheus-server system:prometheus

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Do grafana and prometheus stuff

helm repo add prometheus-community https://prometheus-community.github.io/helm-charts

helm install my-kube-prometheus-stack prometheus-community/kube-prometheus-stack \
  --create-namespace --namespace prometheus \
  --set prometheus.service.type=LoadBalancer \
  --set prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false \
  --set grafana.service.type=LoadBalancer \
  --set grafana.adminpassword=password


k get all -n prometheus

Open prometheus & grafana locally

k port-forward my-kube-prometheus-stack-grafana -n prometheus 4002:80
k port-forward svc/prometheus-operated -n prometheus 4001:9090

Edit prometheus config

k edit svc my-kube-prometheus-stack-prometheus -n prometheus

Change "port: 9090" to "port: 80" in http-web block

Get grafana password

k get secret my-kube-prometheus-stack-grafana -n prometheus -o jsonpath="{.data.admin-user}" | base64 --decode ; echo

k get secret my-kube-prometheus-stack-grafana -n prometheus -o jsonpath="{.data.admin-password}" | base64 --decode ; echo