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# Source: https://gist.github.com/30640a949fc64522b5bd289dd87dbb5c | |
###################### | |
# Create The Cluster # | |
###################### | |
# Make sure that you're using eksctl v0.1.5+. | |
# Follow the instructions from https://github.com/weaveworks/eksctl to intall eksctl. | |
export AWS_ACCESS_KEY_ID=[...] # Replace [...] with AWS access key ID | |
export AWS_SECRET_ACCESS_KEY=[...] # Replace [...] with AWS secret access key | |
export AWS_DEFAULT_REGION=us-west-2 | |
export NAME=devops25 | |
mkdir -p cluster | |
eksctl create cluster \ | |
-n $NAME \ | |
-r $AWS_DEFAULT_REGION \ | |
--kubeconfig cluster/kubecfg-eks \ | |
--node-type t2.large \ | |
--nodes-max 9 \ | |
--nodes-min 3 \ | |
--asg-access \ | |
--managed | |
export KUBECONFIG=$PWD/cluster/kubecfg-eks | |
################### | |
# Install Ingress # | |
################### | |
kubectl apply \ | |
-f https://raw.githubusercontent.com/kubernetes/ingress-nginx/1cd17cd12c98563407ad03812aebac46ca4442f2/deploy/mandatory.yaml | |
kubectl apply \ | |
-f https://raw.githubusercontent.com/kubernetes/ingress-nginx/1cd17cd12c98563407ad03812aebac46ca4442f2/deploy/provider/aws/service-l4.yaml | |
kubectl apply \ | |
-f https://raw.githubusercontent.com/kubernetes/ingress-nginx/1cd17cd12c98563407ad03812aebac46ca4442f2/deploy/provider/aws/patch-configmap-l4.yaml | |
################## | |
# Metrics Server # | |
################## | |
kubectl create namespace metrics | |
helm install metrics-server \ | |
stable/metrics-server \ | |
--version 2.0.2 \ | |
--namespace metrics | |
kubectl -n metrics \ | |
rollout status \ | |
deployment metrics-server | |
############## | |
# Install CA # | |
############## | |
IAM_ROLE=$(aws iam list-roles \ | |
| jq -r ".Roles[] \ | |
| select(.RoleName \ | |
| startswith(\"eksctl-$NAME-nodegroup\")) \ | |
.RoleName") | |
echo $IAM_ROLE | |
aws iam put-role-policy \ | |
--role-name $IAM_ROLE \ | |
--policy-name $NAME-AutoScaling \ | |
--policy-document file://scaling/eks-autoscaling-policy.json | |
helm install aws-cluster-autoscaler \ | |
stable/cluster-autoscaler \ | |
--namespace kube-system \ | |
--set autoDiscovery.clusterName=$NAME \ | |
--set awsRegion=$AWS_DEFAULT_REGION \ | |
--set sslCertPath=/etc/kubernetes/pki/ca.crt \ | |
--set rbac.create=true | |
kubectl -n kube-system \ | |
rollout status \ | |
deployment aws-cluster-autoscaler | |
################## | |
# Get Cluster IP # | |
################## | |
LB_HOST=$(kubectl -n ingress-nginx \ | |
get svc ingress-nginx \ | |
-o jsonpath="{.status.loadBalancer.ingress[0].hostname}") | |
export LB_IP="$(dig +short $LB_HOST \ | |
| tail -n 1)" | |
echo $LB_IP | |
# Repeat the `export` command if the output is empty | |
####################### | |
# Destroy the cluster # | |
####################### | |
export AWS_DEFAULT_REGION=us-west-2 | |
aws iam delete-role-policy \ | |
--role-name $IAM_ROLE \ | |
--policy-name $NAME-AutoScaling | |
eksctl delete cluster -n devops25 | |
SG_NAME=$(aws ec2 describe-security-groups \ | |
--filters Name=group-name,Values=k8s-elb-$LB_NAME \ | |
| jq -r ".SecurityGroups[0].GroupId") | |
echo $SG_NAME | |
aws ec2 delete-security-group \ | |
--group-id $SG_NAME | |
for VOLUME in `aws ec2 describe-volumes --region $AWS_DEFAULT_REGION --output text| grep available | awk '{print $8}'` | |
do | |
aws ec2 delete-volume --region $AWS_DEFAULT_REGION --volume-id $VOLUME | |
done |
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