#!/bin/sh

: ${CLUSTER_NAME:=krc-tests}
: ${XDG_RUNTIME_DIR:=/run/user/$(id -u)}

: "${DOCKER_HOST=unix://${XDG_RUNTIME_DIR}/podman/podman.sock}"
: "${DOCKER_SOCK=${XDG_RUNTIME_DIR}/podman/podman.sock}"
export DOCKER_HOST DOCKER_SOCK

cluster_exists() {
    k3d cluster get "${CLUSTER_NAME}" >/dev/null 2>&1
}

create_cluster() {
    k3d cluster create "${CLUSTER_NAME}" \
        --k3s-arg '--kubelet-arg=feature-gates=KubeletInUserNamespace=true@server:*' \
        --kubeconfig-update-default=false \
        --kubeconfig-switch-context=false \
        --no-lb \
        >&2
}

start_cluster() {
    k3d cluster start "${CLUSTER_NAME}" >&2
}

if ! cluster_exists; then
    create_cluster
else
    start_cluster
fi

k3d kubeconfig write "${CLUSTER_NAME}"