#!/bin/bash

# Copyright 2018 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

if [ -n "$DEBUG" ]; then
  set -x
fi

set -o errexit
set -o nounset
set -o pipefail

# temporal directory for the fake SSL certificate
SSL_VOLUME=$(mktemp -d)

function cleanup {
  rm -rf "${SSL_VOLUME}"
}
trap cleanup EXIT

E2E_IMAGE=quay.io/kubernetes-ingress-controller/e2e:v09052019-38b985663

DOCKER_OPTS=${DOCKER_OPTS:-}

KUBE_ROOT=$(cd $(dirname "${BASH_SOURCE}")/.. && pwd -P)

FLAGS=$@

PKG=k8s.io/ingress-nginx
ARCH=$(go env GOARCH)

MINIKUBE_PATH=${HOME}/.minikube
MINIKUBE_VOLUME="-v ${MINIKUBE_PATH}:${MINIKUBE_PATH}"
if [ ! -d "${MINIKUBE_PATH}" ]; then
  echo "Minikube directory not found! Volume will be excluded from docker build."
  MINIKUBE_VOLUME=""
fi

docker run                                            \
  --tty                                               \
  --rm                                                \
  ${DOCKER_OPTS}                                      \
  -e GOCACHE="/go/src/${PKG}/.cache"                  \
  -e GO111MODULE=off                                  \
  -v "${HOME}/.kube:${HOME}/.kube"                    \
  -v "${KUBE_ROOT}:/go/src/${PKG}"                    \
  -v "${KUBE_ROOT}/bin/${ARCH}:/go/bin/linux_${ARCH}" \
  -v "/var/run/docker.sock:/var/run/docker.sock"      \
  -v "${SSL_VOLUME}:/etc/ingress-controller/ssl/"     \
  ${MINIKUBE_VOLUME}                                  \
  -w "/go/src/${PKG}"                                 \
  -u $(id -u ${USER}):$(id -g ${USER})                \
  ${E2E_IMAGE} /bin/bash -c "${FLAGS}"