149 lines
4.1 KiB
Bash
Executable File
149 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit
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set -o nounset
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set -o pipefail
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# Short-circuit if init.sh has already been sourced
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[[ $(type -t kube::init::loaded) == function ]] && return 0
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# Unset CDPATH so that path interpolation can work correctly
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# https://github.com/kubernetes/kubernetes/issues/52255
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unset CDPATH
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# The root of the build/dist directory
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KUBE_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd -P)"
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# Where output goes. We should avoid redefining these anywhere else.
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#
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# KUBE_OUTPUT: the root directory (absolute) where this build should drop any
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# files (subdirs are encouraged).
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# KUBE_OUTPUT_BIN: the directory in which compiled binaries will be placed,
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# under OS/ARCH specific subdirs
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# THIS_PLATFORM_BIN: a symlink to the output directory for binaries built for
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# the current host platform (e.g. build/test tools).
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#
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# Compat: The KUBE_OUTPUT_SUBPATH variable is sometimes passed in by callers.
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# If it is specified, we'll use it in KUBE_OUTPUT.
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_KUBE_OUTPUT_SUBPATH="${KUBE_OUTPUT_SUBPATH:-_output/local}"
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export KUBE_OUTPUT="${KUBE_ROOT}/${_KUBE_OUTPUT_SUBPATH}"
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export KUBE_OUTPUT_BIN="${KUBE_OUTPUT}/bin"
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export THIS_PLATFORM_BIN="${KUBE_ROOT}/_output/bin"
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# This controls rsync compression. Set to a value > 0 to enable rsync
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# compression for build container
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KUBE_RSYNC_COMPRESS="${KUBE_RSYNC_COMPRESS:-0}"
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# Set no_proxy for localhost if behind a proxy, otherwise,
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# the connections to localhost in scripts will time out
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export no_proxy="127.0.0.1,localhost${no_proxy:+,${no_proxy}}"
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source "${KUBE_ROOT}/hack/lib/util.sh"
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source "${KUBE_ROOT}/hack/lib/logging.sh"
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kube::log::install_errexit
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kube::util::ensure-bash-version
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source "${KUBE_ROOT}/hack/lib/version.sh"
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source "${KUBE_ROOT}/hack/lib/golang.sh"
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# This emulates "readlink -f" which is not available on MacOS X.
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# Test:
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# T=/tmp/$$.$RANDOM
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# mkdir $T
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# touch $T/file
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# mkdir $T/dir
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# ln -s $T/file $T/linkfile
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# ln -s $T/dir $T/linkdir
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# function testone() {
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# X=$(readlink -f $1 2>&1)
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# Y=$(kube::readlinkdashf $1 2>&1)
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# if [ "$X" != "$Y" ]; then
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# echo readlinkdashf $1: expected "$X", got "$Y"
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# fi
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# }
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# testone /
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# testone /tmp
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# testone $T
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# testone $T/file
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# testone $T/dir
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# testone $T/linkfile
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# testone $T/linkdir
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# testone $T/nonexistant
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# testone $T/linkdir/file
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# testone $T/linkdir/dir
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# testone $T/linkdir/linkfile
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# testone $T/linkdir/linkdir
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function kube::readlinkdashf {
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# run in a subshell for simpler 'cd'
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(
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if [[ -d "${1}" ]]; then # This also catch symlinks to dirs.
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cd "${1}"
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pwd -P
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else
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cd "$(dirname "${1}")"
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local f
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f=$(basename "${1}")
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if [[ -L "${f}" ]]; then
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readlink "${f}"
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else
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echo "$(pwd -P)/${f}"
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fi
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fi
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)
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}
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# This emulates "realpath" which is not available on MacOS X
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# Test:
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# T=/tmp/$$.$RANDOM
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# mkdir $T
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# touch $T/file
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# mkdir $T/dir
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# ln -s $T/file $T/linkfile
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# ln -s $T/dir $T/linkdir
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# function testone() {
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# X=$(realpath $1 2>&1)
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# Y=$(kube::realpath $1 2>&1)
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# if [ "$X" != "$Y" ]; then
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# echo realpath $1: expected "$X", got "$Y"
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# fi
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# }
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# testone /
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# testone /tmp
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# testone $T
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# testone $T/file
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# testone $T/dir
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# testone $T/linkfile
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# testone $T/linkdir
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# testone $T/nonexistant
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# testone $T/linkdir/file
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# testone $T/linkdir/dir
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# testone $T/linkdir/linkfile
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# testone $T/linkdir/linkdir
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kube::realpath() {
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if [[ ! -e "${1}" ]]; then
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echo "${1}: No such file or directory" >&2
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return 1
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fi
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kube::readlinkdashf "${1}"
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}
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# Marker function to indicate init.sh has been fully sourced
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kube::init::loaded() {
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return 0
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}
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