Develop Setup

1. download kubebuilder
2. download kustomize from kustomize
3. init project and run kubebuilder

   kubebuilder init --domain metal-stack.io
   kubebuilder create api --group firewall --version v1 --kind Network

4. run test

   export KUBEBUILDER_ASSETS=/usr/local/kubebuilder/bin # path-to-kubebuilder/bin
   make test

Testing locally

# make binary
make

# start the controller
bin/firewall-controller --hosts-file ./hosts --enable-signature-check=false --enable-IDS=false

# install kind (k8s in docker)

# create a local kind cluster
kind create cluster

# deploy manifests
k apply -f deploy

# watch results
k describe -n firewall firewall
cat nftables.v4
cat hosts