exam-minikube

My EC2 configuration:

2 CPUs
8GB of free memory
30GB of free disk space

EXAM STEP

Step 1 install local k8s with minikube

reference documents:

install docker

sudo yum install docker -y
sudo usermod -aG docker ec2-user #after run this command, need to open a new shell command terminal, then user ec2-user will have access to run docker command like 'docker version'
sudo systemctl start docker 
sudo systemctl enable docker

install minikube

curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
sudo install minikube-linux-amd64 /usr/local/bin/minikube
minikube start

install kubectl

curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

check kubectl

kubectl version --client

check kube cluster

kubectl get po -A

Step 2 Develop a simple Helm chart

please check files under dir ./exam_chart/

Step 3 Deploy the Helm chart and verify

install helm reference documents: https://helm.sh/zh/docs/intro/install/

wget https://get.helm.sh/helm-v3.12.0-linux-amd64.tar.gz
tar -zxvf helm-v3.12.0-linux-amd64.tar.gz
sudo cp linux-amd64/helm /usr/local/bin/helm
helm version

helm install chart

helm install hello ./exam_chart

port-forward service

kubectl port-forward service/hello-service 8080:80

open a new terminal and access service

curl 127.0.0.1:8080

Step 4 Install Loki in the K8s cluster with Helm

#it's my first tiem to install loki.