k8s version : [ 1.21 , 1.26 ] https://kubernetes.io/releases/
Rintime :
docker [1.21 , 1.23]
cri-o [1.21 , 1.26]
containerd [1.21 , 1.26] # cks default
containerd_gvizor [1.21 , 1.26]
OS for nodes :
ubuntu : 20.04 LTS , 22.04 LTS
CNI :
calico # wave??
- use aws
- create vpc , subnets
- create ec2 (spot ) master and workers
- init master node by kubeadm
- copy join token to s3
- load join token from s3 to worker node and join to the cluster .
terrafrom >= v1.1.7
terragrunt >= v0.36.1
aws IAM user + Access key (or IAM role ) with Admin privilege form VPC, EC2
aws profile
cd environments
# set region , s3 , and dynamoDB
vim terragrunt.hcl
make run_cks_vpc
or
cd environments/cks/vpc
# edit cidrs and AZ
vim terragrunt.hcl
terragrunt apply
TASK=13 make run_cks_k8s_task
or
cd environments/cks/k8s
# edit k8s version ,s3 , nodes size ,key_name , and etc
vim terragrunt.hcl
terragrunt apply
# find {master_external_ip} in terraform output
# login to master node via ssh
tail -f /var/log/cloud-init-output.log
make delete_cks_k8s
or
cd environments/cks/k8s
terragrunt destroy
make delete_cks_vpc
cd environments/cks/vpc
terragrunt destroy
vim :
G - end of file gg - first line of file