mirror of
https://github.com/kubernetes-sigs/kustomize.git
synced 2026-05-17 18:25:26 +00:00
133 lines
3.2 KiB
Bash
Executable File
133 lines
3.2 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
|
|
# If no argument is given -> Downloads the most recently released
|
|
# kustomize binary to your current working directory.
|
|
# (e.g. 'install_kustomize.sh')
|
|
#
|
|
# If one argument is given ->
|
|
# If that argument is in the format of #.#.#, downloads the specified
|
|
# version of the kustomize binary to your current working directory.
|
|
# If that argument is something else, downloads the most recently released
|
|
# kustomize binary to the specified directory.
|
|
# (e.g. 'install_kustomize.sh 3.8.2' or 'install_kustomize.sh $(go env GOPATH)/bin')
|
|
#
|
|
# If two arguments are given -> Downloads the specified version of the
|
|
# kustomize binary to the specified directory.
|
|
# (e.g. 'install_kustomize.sh 3.8.2 $(go env GOPATH)/bin')
|
|
#
|
|
# Fails if the file already exists.
|
|
|
|
set -e
|
|
|
|
# Unset CDPATH to restore default cd behavior. An exported CDPATH can
|
|
# cause cd to output the current directory to STDOUT.
|
|
unset CDPATH
|
|
|
|
where=$PWD
|
|
|
|
release_url=https://api.github.com/repos/kubernetes-sigs/kustomize/releases
|
|
if [ -n "$1" ]; then
|
|
if [[ "$1" =~ ^[0-9]+(\.[0-9]+){2}$ ]]; then
|
|
version=v$1
|
|
release_url=${release_url}/tags/kustomize%2F$version
|
|
elif [ -n "$2" ]; then
|
|
echo "The first argument should be the requested version."
|
|
exit 1
|
|
else
|
|
where="$1"
|
|
fi
|
|
fi
|
|
|
|
if [ -n "$2" ]; then
|
|
where="$2"
|
|
fi
|
|
|
|
if ! test -d "$where"; then
|
|
echo "$where does not exist. Create it first."
|
|
exit 1
|
|
fi
|
|
|
|
# Emulates `readlink -f` behavior, as this is not available by default on MacOS
|
|
# See: https://stackoverflow.com/questions/1055671/how-can-i-get-the-behavior-of-gnus-readlink-f-on-a-mac
|
|
function readlink_f {
|
|
TARGET_FILE=$1
|
|
|
|
cd "$(dirname "$TARGET_FILE")"
|
|
TARGET_FILE=$(basename "$TARGET_FILE")
|
|
|
|
# Iterate down a (possible) chain of symlinks
|
|
while [ -L "$TARGET_FILE" ]
|
|
do
|
|
TARGET_FILE=$(readlink "$TARGET_FILE")
|
|
cd "$(dirname "$TARGET_FILE")"
|
|
TARGET_FILE=$(readlink "$TARGET_FILE")
|
|
done
|
|
|
|
# Compute the canonicalized name by finding the physical path
|
|
# for the directory we're in and appending the target file.
|
|
PHYS_DIR=$(pwd -P)
|
|
RESULT=$PHYS_DIR/$TARGET_FILE
|
|
echo "$RESULT"
|
|
}
|
|
|
|
where="$(readlink_f $where)/"
|
|
|
|
if [ -f "${where}kustomize" ]; then
|
|
echo "${where}kustomize exists. Remove it first."
|
|
exit 1
|
|
elif [ -d "${where}kustomize" ]; then
|
|
echo "${where}kustomize exists and is a directory. Remove it first."
|
|
exit 1
|
|
fi
|
|
|
|
tmpDir=`mktemp -d`
|
|
if [[ ! "$tmpDir" || ! -d "$tmpDir" ]]; then
|
|
echo "Could not create temp dir."
|
|
exit 1
|
|
fi
|
|
|
|
function cleanup {
|
|
rm -rf "$tmpDir"
|
|
}
|
|
|
|
trap cleanup EXIT ERR
|
|
|
|
pushd "$tmpDir" >& /dev/null
|
|
|
|
opsys=windows
|
|
arch=amd64
|
|
if [[ "$OSTYPE" == linux* ]]; then
|
|
opsys=linux
|
|
elif [[ "$OSTYPE" == darwin* ]]; then
|
|
opsys=darwin
|
|
fi
|
|
|
|
releases=$(curl -s $release_url)
|
|
|
|
if [[ $releases == *"API rate limit exceeded"* ]]; then
|
|
echo "Github rate-limiter failed the request. Either authenticate or wait a couple of minutes."
|
|
exit 1
|
|
fi
|
|
|
|
RELEASE_URL=$(echo "${releases}" |\
|
|
grep browser_download.*${opsys}_${arch} |\
|
|
cut -d '"' -f 4 |\
|
|
sort -V | tail -n 1)
|
|
|
|
if [ ! -n "$RELEASE_URL" ]; then
|
|
echo "Version $version does not exist."
|
|
exit 1
|
|
fi
|
|
|
|
curl -sLO $RELEASE_URL
|
|
|
|
tar xzf ./kustomize_v*_${opsys}_${arch}.tar.gz
|
|
|
|
cp ./kustomize "$where"
|
|
|
|
popd >& /dev/null
|
|
|
|
${where}kustomize version
|
|
|
|
echo "kustomize installed to ${where}kustomize"
|