install-cert-manager.sh

# Apply CRDs
kubectl apply \
  -f https://raw.githubusercontent.com/jetstack/cert-manager/release-0.7/deploy/manifests/00-crds.yaml

# Create the cert-manager namespace if it doesn't already exist
kubectl create namespace cert-manager
kubectl label namespace cert-manager certmanager.k8s.io/disable-validation="true"

# Install the new version of cert-manager
helm repo add jetstack https://charts.jetstack.io
helm install cert-manager --namespace cert-manager jetstack/cert-manager --version "v0.7.2"

# Restore all resources from backup we made earlier
kubectl apply -f cert-manager-backup.yaml