#!/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
else
  trap cleanup EXIT
fi

function cleanup {
  kubectl delete pod e2e 2>/dev/null || true
}

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

RED='\e[35m'
NC='\e[0m'
BGREEN='\e[32m'

declare -a mandatory
mandatory=(
  E2E_NODES
)

missing=false
for var in "${mandatory[@]}"; do
  if [[ -z "${!var:-}" ]]; then
    echo -e "${RED}Environment variable $var must be set${NC}"
    missing=true
  fi
done

if [ "$missing" = true ]; then
  exit 1
fi

BASEDIR=$(dirname "$0")
NGINX_BASE_IMAGE=$(cat $BASEDIR/../../NGINX_BASE)
HTTPBUN_IMAGE=$(cat $BASEDIR/HTTPBUN_IMAGE)

echo -e "${BGREEN}Granting permissions to ingress-nginx e2e service account...${NC}"
kubectl create serviceaccount ingress-nginx-e2e || true
kubectl create clusterrolebinding permissive-binding \
  --clusterrole=cluster-admin \
  --user=admin \
  --user=kubelet \
  --serviceaccount=default:ingress-nginx-e2e || true

VER=$(kubectl version  --client=false -o json |jq '.serverVersion.minor |tonumber')
if [ $VER -lt 24 ]; then
  echo -e "${BGREEN}Waiting service account...${NC}"; \
  until kubectl get secret | grep -q -e ^ingress-nginx-e2e-token; do \
    echo -e "waiting for api token"; \
    sleep 3; \
  done
fi

echo -e "Starting the e2e test pod"

kubectl run --rm \
  --attach \
  --restart=Never \
  --env="E2E_NODES=${E2E_NODES}" \
  --env="FOCUS=${FOCUS}" \
  --env="IS_CHROOT=${IS_CHROOT:-false}"\
  --env="SKIP_OPENTELEMETRY_TESTS=${SKIP_OPENTELEMETRY_TESTS:-false}"\
  --env="E2E_CHECK_LEAKS=${E2E_CHECK_LEAKS}" \
  --env="NGINX_BASE_IMAGE=${NGINX_BASE_IMAGE}" \
  --env="HTTPBUN_IMAGE=${HTTPBUN_IMAGE}" \
  --overrides='{ "apiVersion": "v1", "spec":{"serviceAccountName": "ingress-nginx-e2e"}}' \
  e2e --image=nginx-ingress-controller:e2e

# Get the junit-reports stored in the configMaps created during e2etests
echo "Getting the report file out now.."
reportsDir="test/junitreports"
reportFile="report-e2e-test-suite.xml.gz"
mkdir -p $reportsDir
cd $reportsDir
kubectl get cm $reportFile -o "jsonpath={.binaryData['${reportFile//\./\\.}']}" | base64 -d | gunzip > ${reportFile%\.gz}
echo "done getting the report file out.."