Kubernetes Cluster on AWS using Kops running on Docker for Mac

Pre-requisites:

Docker Desktop for Mac
Install AWS CLI using brew install aws
Create an AWS Account if you are first time user.
Run the below command to install kops on your macOS:

brew update && brew install kops

Adding Access & Secret Key

aws configure

This will store your credential under ~/.aws/credentials

bucket_name=collabstore

Create a AWS Bucket

[Captains-Bay]🚩 >  aws s3api create-bucket --bucket ${bucket_name} --region us-east-1
{
    "Location": "/collabstore"
}

Configure

aws s3api put-bucket-versioning --bucket ${bucket_name} --versioning-configuration Status=Enabled

Configure DNS Name

 aws route53 create-hosted-zone --name collabnix.com --caller-reference 2

export KOPS_CLUSTER_NAME=ajeet.k8s.local

Export Cluster Name

export KOPS_CLUSTER_NAME=ajeet.k8s.local

Exporting Kops State Store

[Captains-Bay]🚩 >  export KOPS_STATE_STORE=s3://${bucket_name}

ssh-keygen -t rsa

kops create secret --name ajeet.k8s.local sshpublickey admin -i ~/.ssh/id_rsa.pub

[Captains-Bay]🚩 >  kops create cluster \
> --node-count=2 \
> --node-size=t2.medium \
> --zones=us-east-1a \
> --name=${KOPS_CLUSTER_NAME}

Must specify –yes to apply changes

Cluster configuration has been created.

Suggestions:

list clusters with: kops get cluster
edit this cluster with: kops edit cluster k8.aws.dev.collabnix.com
edit your node instance group: kops edit ig –name=ajeet.k8s.local nodes
edit your master instance group: kops edit ig –name=ajeet.k8s.local master-us-east-1a

Finally configure your cluster with: kops update cluster ajeet.k8s.local –yes

[Captains-Bay]🚩 >  kops get cluster
NAME		CLOUD	ZONES
ajeet.k8s.local	aws	us-east-1a
[Captains-Bay]🚩 >

Deploy Kubernetes

kops update cluster --name ${KOPS_CLUSTER_NAME} --yes

kops get cluster
NAME				CLOUD	ZONES
ajeet.k8s.local	aws	us-east-1a

[Captains-Bay]🚩 >  kops update cluster --name ${KOPS_CLUSTER_NAME} --yes
I0531 07:01:41.613598    1366 apply_cluster.go:456] Gossip DNS: skipping DNS validation
I0531 07:01:44.786395    1366 executor.go:91] Tasks: 0 done / 77 total; 30 can run
I0531 07:01:46.893202    1366 executor.go:91] Tasks: 30 done / 77 total; 24 can run
I0531 07:01:49.007022    1366 executor.go:91] Tasks: 54 done / 77 total; 19 can run
I0531 07:01:51.649219    1366 executor.go:91] Tasks: 73 done / 77 total; 3 can run
I0531 07:01:53.079596    1366 executor.go:91] Tasks: 76 done / 77 total; 1 can run
I0531 07:01:53.440746    1366 executor.go:91] Tasks: 77 done / 77 total; 0 can run
I0531 07:01:54.102339    1366 update_cluster.go:291] Exporting kubecfg for cluster
kops has set your kubectl context to ajeet.k8s.local

Cluster changes have been applied to the cloud.


Changes may require instances to restart: kops rolling-update cluster

[Captains-Bay]🚩 >

Now you can see K8s cluster under Context UI.

My image

Suggestions:
 * validate cluster: kops validate cluster
 * list nodes: kubectl get nodes --show-labels
 * ssh to the master: ssh -i ~/.ssh/id_rsa admin@api.ajeet.k8s.local
 * the admin user is specific to Debian. If not using Debian please use the appropriate user based on your OS.
 * read about installing addons at: https://github.com/kubernetes/kops/blob/master/docs/operations/addons.md.

[Captains-Bay]🚩 >  kubectl get nodes
NAME                            STATUS   ROLES    AGE    VERSION
ip-172-20-40-58.ec2.internal    Ready    node     107s   v1.17.6
ip-172-20-41-233.ec2.internal   Ready    node     103s   v1.17.6
ip-172-20-43-50.ec2.internal    Ready    master   3m7s   v1.17.6
ip-172-20-52-114.ec2.internal   Ready    node     104s   v1.17.6
[Captains-Bay]🚩 >

kops get instancegroups
NAME			ROLE	MACHINETYPE	MIN	MAX	ZONES
master-us-east-1a	Master	t3.medium	1	1	us-east-1a
nodes			Node	t2.medium	3	3	us-east-1a

My Image

kops delete cluster --state=s3://kubernetes-aws-io --yes