#!/bin/bash

set -eu

linkerd_namespace=${1:-l5d-integration}
k8s_context=${2:-""}

if [ -z "$linkerd_namespace" ]; then
    echo "usage: $(basename "$0") <namespace> [k8s-context]">&2
    exit 64
fi

echo "cleaning up namespace [${linkerd_namespace}] in k8s-context [${k8s_context}] and associated test namespaces"

if ! namespaces=$(kubectl --context=$k8s_context get ns -oname | grep -E "/$linkerd_namespace(-|$)"); then
  echo "no namespaces found for [$linkerd_namespace]" >&2
fi

if ! clusterrolebindings=$(kubectl --context=$k8s_context get clusterrolebindings -oname | grep -E "/linkerd-$linkerd_namespace(-|$)"); then
  echo "no clusterrolebindings found for [$linkerd_namespace]" >&2
fi

if ! clusterroles=$(kubectl --context=$k8s_context get clusterroles -oname | grep -E "/linkerd-$linkerd_namespace(-|$)"); then
  echo "no clusterroles found for [$linkerd_namespace]" >&2
fi

if [[ $namespaces || $clusterrolebindings || $clusterroles ]]; then
  kubectl --context=$k8s_context delete --wait=false $namespaces $clusterrolebindings $clusterroles
fi