admission-controller

README

G8S Admission Controller

Giant Swarm Control Plane admission controller that implements the following rules:

• When the G8SControlPlane replicas is changed from 1 to 3 the Availavility Zones of the AWSControlPlane will be defaulted if needed.

The certificates for the webhook are created with CertManager and injected through the CA Injector.

Ownership

Firecracker Team

Local development

kind create cluster
CGO_ENABLED=0 go build .
docker build . -t admission-controller:dev
kind load docker-image admission-controller:dev
opsctl ensure crds -k "$(kind get kubeconfig)" -p aws
kubectl apply --context kind-kind -f local_dev/certmanager.yml
## Wait until certmanaget is up
kubectl apply --context kind-kind -f local_dev/clusterissuer.yml
helm template admission-controller -f helm/admission-controller/ci/default-values.yaml helm/admission-controller > local_dev/deploy.yaml
## Replace image name with admission-controller:dev
kubectl apply --context kind-kind -f local_dev/deploy.yaml
kind delete cluster