#!/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.

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

# Stop the bleeding, turn off the warning until we fix token gen.
# echo "-=-=-=-=-=-=-=-=-=-="
# echo "NOTE:"
# echo "kubectl.sh is deprecated and will be removed soon."
# echo "please replace all usage with calls to the kubectl"
# echo "binary and ensure that it is in your PATH." 
# echo ""
# echo "Please see 'kubectl help config' for more details"
# echo "about configuring kubectl for your cluster."
# echo "-=-=-=-=-=-=-=-=-=-="


setvar KUBE_ROOT = ${KUBE_ROOT:-$(dirname "${BASH_SOURCE}")/..}
source "${KUBE_ROOT}/cluster/kube-util.sh"
source "${KUBE_ROOT}/cluster/clientbin.sh"

# If KUBECTL_PATH isn't set, gather up the list of likely places and use ls
# to find the latest one.
if [[ -z "${KUBECTL_PATH:-}" ]] {
  setvar kubectl = $( get_bin "kubectl" "cmd/kubectl" )

  if [[ ! -x "$kubectl" ]] {
    print_error "kubectl"
    exit 1
  }
} elif [[ ! -x "${KUBECTL_PATH}" ]] {
  do {
    echo "KUBECTL_PATH environment variable set to '${KUBECTL_PATH}', but "
    echo "this doesn't seem to be a valid executable."
  } >&2
  exit 1
}
setvar kubectl = "${KUBECTL_PATH:-${kubectl}}"

if [[ "$KUBERNETES_PROVIDER" == "gke" ]] {
  detect-project &> /dev/null
} elif [[ "$KUBERNETES_PROVIDER" == "ubuntu" ]] {
  detect-master > /dev/null
  setvar config = ''(
    "--server=http://${KUBE_MASTER_IP}:8080"
  )
}


if false {
  # disable these debugging messages by default
  echo "current-context: \"$(${kubectl} "${config[@]:+${config[@]}}" config view -o template --template='{{index . "current-context"}}')\"" >&2
  echo "Running:" ${kubectl} ${config[@]:+${config[@]}} ${@+$@} >&2
}

if [[ "${1:-}" =~ ^(path)$ ]] {
  echo ${kubectl}
  exit 0
}

${kubectl} ${config[@]:+${config[@]}} ${@+$@}