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Terraform Approach

This README.md will walk you through standing up the `teehr-hub`` in an AWS account. The instructions should generally work with other providers, but some steps will certainly be different.

NOTE: you must clean up complete from other approaches before running this.

Login to AWS. You need to login with a user that has sufficient permissions. We used Admin for testing but need to determine the minimum set of permissions needed.

aws configure

Apply Terraform (can take ~15 mins)

cd terraform
terraform init
terraform apply -var-file=teehr-hub.tfvars
cd ..

Connect to cluster

aws eks update-kubeconfig --name teehr-hub --region us-east-2
kubectl config set-context $(kubectl config current-context) --namespace teehr-hub
k9s

Apply Helmcharts Add repo

cd helm-chart
helm repo add dask https://helm.dask.org/
helm repo add autoscaler https://kubernetes.github.io/autoscaler
cd ..

This next step requires that you have a .env file the contains the GH_OAUTH_CLIENT_ID and GH_OAUTH_CLIENT_SECRET values needed to use GitHub auth. A sample .env-sample is provided.

cd helm-chart
source .env
envsubst < config.yaml > secret-config.yaml
helm upgrade \
  --cleanup-on-fail \
  --install teehr-hub dask/daskhub \
  --namespace teehr-hub \
  --create-namespace \
  --version 2024.1.0 \
  --values secret-config.yaml
rm secret-config.yaml
helm upgrade \
  --cleanup-on-fail \
  --install teehr-ca autoscaler/cluster-autoscaler \
  --namespace teehr-hub \
  --set autoDiscovery.clusterName=teehr-hub \
  --set awsRegion=us-east-2
cd ..

Get NFS DNS

cd terraform/ && terraform output nfs_server_dns && cd ..

Update NFS DNS in manifests, then run

cd terraform/
export NFS_SERVER_DNS="$(terraform output -raw nfs_server_dns)"
cd ..
cd kubernetes
envsubst < nfs.yaml | kubectl apply -n teehr-hub -f -
envsubst < nfs-data-creator.yaml | kubectl delete -n teehr-hub -f -
envsubst < nfs-data-creator.yaml | kubectl apply -n teehr-hub -f -
cd ..

Get DNS CNAME

kubectl --namespace=teehr-hub get svc proxy-public

MANUAL: Set alias in DNS provider

Delete pods and let it recreate

kubectl delete pods -l component=autohttps -n teehr-hub

Uninstalling

Teehrhub

cd helm-chart
helm list --all-namespaces
helm uninstall teehr-hub --namespace=teehr-hub
helm uninstall teehr-ca --namespace=teehr-hub
cd ..

NFS

cd terraform/
export NFS_SERVER_DNS="$(terraform output -raw nfs_server_dns)"
cd ..
cd kubernetes
envsubst < nfs.yaml | kubectl delete  -n teehr-hub -f -
envsubst < nfs-data-creator.yaml | kubectl delete -n teehr-hub -f -
cd ..

Cluster

cd terraform
terraform destroy -var-file=teehr-hub.tfvars
cd ..

Update helm

cd helm-chart
helm repo update dask
helm repo update autoscaler
cd ..