#!/bin/bash

# Copyright 2016 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

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

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

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

$(kubeadm) $(@+$@)