ECS to EKS Migration

Pre-requisites

• helm
• yq
• docker desktop
• aws cli
• kubectl
• eksctl
• helmify

Use this repo to migrate from your existing ECS to EKS.

Examples

Use the command below to setup EKS from your existing ECS , you will need to update the vpc and image before using this command.

./scripts/setup-eks.sh --applicationName=eks-fargate-starter --env=qa --awsAccountId=XYZ --region=ap-south-1

Multienv code , copy this and change the env name

For example below code creates a qa environment Replace qa to your env and paste the code in create-helm-application.sh

cp helm/$applicationName/values.$env.yaml helm/$applicationName/values.qa.yaml


#name change -> qa
yq e '.fullnameOverride = strenv(applicationName) + "-qa"'  -i helm/$applicationName/values.qa.yaml
yq e '.nameOverride = strenv(applicationName) + "-qa"'  -i helm/$applicationName/values.qa.yaml

#host -> qa
yq e '.ingress.hosts[0].paths[0].backend.service.name = env(applicationName) + "-qa"'  -i helm/$applicationName/values.qa.yaml

#defaultBackend -> qa
yq e '.ingress.defaultBackendServiceName = env(applicationName) + "-qa"'  -i helm/$applicationName/values.qa.yaml

echo "
env:
  configmap:
    data:
      ENVIRONMENT_NAME: qa" >> helm/$applicationName/values.qa.yaml