#!/bin/bash

# Copyright 2014 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.

# Bring up a Kubernetes cluster.
#
# If the full release name (gs://<bucket>/<release>) is passed in then we take
# that directly.  If not then we assume we are doing development stuff and take
# the defaults in the release config.

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

setglobal KUBE_ROOT = "$[dirname $(BASH_SOURCE)]/.."

if test -f "$(KUBE_ROOT)/cluster/env.sh" {
    source "$(KUBE_ROOT)/cluster/env.sh"
}

source "$(KUBE_ROOT)/cluster/kube-util.sh"

setglobal DEPRECATED_PROVIDERS = ''(
  "centos"
  "libvert-coreos"
  "local"
  "openstack-heat"
  "photon-controller"
  "vagrant"
  "vsphere"
  "windows"
)

for provider in [$(DEPRECATED_PROVIDERS[@])] {
  if [[ "${KUBERNETES_PROVIDER}" == "${provider}" ]] {
    cat << """ 1>&2

!!! DEPRECATION NOTICE !!!

The '$(provider)' kube-up provider is deprecated and will be removed in a future
release of kubernetes. Deprecated providers will be removed within 2 releases.

See https://github.com/kubernetes/kubernetes/issues/49213 for more info.

"""
!1 > !2

!!! DEPRECATION NOTICE !!!

The '${provider}' kube-up provider is deprecated and will be removed in a future
release of kubernetes. Deprecated providers will be removed within 2 releases.

See https://github.com/kubernetes/kubernetes/issues/49213 for more info.

EOF
    break
  }
}

if test -z $(ZONE-) {
  echo "... Starting cluster using provider: $(KUBERNETES_PROVIDER)" > !2
} else {
  echo "... Starting cluster in $(ZONE) using provider $(KUBERNETES_PROVIDER)" > !2
}

echo "... calling verify-prereqs" > !2
verify-prereqs
echo "... calling verify-kube-binaries" > !2
verify-kube-binaries

if [[ "${KUBE_STAGE_IMAGES:-}" == "true" ]] {
  echo "... staging images" > !2
  stage-images
}

echo "... calling kube-up" > !2
kube-up

echo "... calling validate-cluster" > !2
# Override errexit
shell {validate-cluster} && setglobal validate_result = "$Status" || setglobal validate_result = "$Status"

# We have two different failure modes from validate cluster:
# - 1: fatal error - cluster won't be working correctly
# - 2: weak error - something went wrong, but cluster probably will be working correctly
# We just print an error message in case 2).
if [[ "${validate_result}" == "1" ]] {
	exit 1
} elif [[ "${validate_result}" == "2" ]] {
	echo "...ignoring non-fatal errors in validate-cluster" > !2
}

if [[ "${ENABLE_PROXY:-}" == "true" ]] {
  source /tmp/kube-proxy-env
  echo ""
  echo "*** Please run the following to add the kube-apiserver endpoint to your proxy white-list ***"
  cat /tmp/kube-proxy-env
  echo "***                                                                                      ***"
  echo ""
}

echo -e "Done, listing cluster services:\n" > !2
"$(KUBE_ROOT)/cluster/kubectl.sh" cluster-info
echo

exit 0