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higress/tools/hack/get-hgctl.sh

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# Copyright (c) 2022 Alibaba Group Holding Ltd.
# 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.
#!/usr/bin/env bash
: "${BINARY_NAME:="hgctl"}"
: "${BINARY_NAME_WINDOWS:="hgctl.exe"}"
: "${hgctl_INSTALL_DIR:="/usr/local/bin"}"
: "${hgctl_INSTALL_DIR_WINDOWS:="${USERPROFILE}/hgctl/bin"}"
export VERSION
HAS_CURL="$(type "curl" &>/dev/null && echo true || echo false)"
HAS_WGET="$(type "wget" &>/dev/null && echo true || echo false)"
HAS_GIT="$(type "git" &>/dev/null && echo true || echo false)"
# initArch discovers the architecture for this system.
initArch() {
ARCH=$(uname -m)
case $ARCH in
armv5*) ARCH="armv5" ;;
armv6*) ARCH="armv6" ;;
armv7*) ARCH="arm" ;;
aarch64) ARCH="arm64" ;;
x86) ARCH="386" ;;
x86_64) ARCH="amd64" ;;
i686) ARCH="386" ;;
i386) ARCH="386" ;;
esac
}
# initOS discovers the operating system for this system.
initOS() {
OS="$(uname | tr '[:upper:]' '[:lower:]')"
case "$OS" in
# Minimalist GNU for Windows
mingw* | cygwin*) OS='windows' ;;
esac
}
# runs the given command as root (detects if we are root already)
runAsRoot() {
if [ $EUID -ne 0 ]; then
sudo "${@}"
else
"${@}"
fi
}
# verifySupported checks that the os/arch combination is supported for
# binary builds, as well whether or not necessary tools are present.
verifySupported() {
local supported="darwin-amd64\ndarwin-arm64\nlinux-amd64\nlinux-arm64\nwindows-amd64\nwindows-arm64\n"
if ! echo "${supported}" | grep -q "${OS}-${ARCH}"; then
echo "No prebuilt binary for ${OS}-${ARCH}."
echo "To build from source, go to https://github.com/alibaba/higress"
exit 1
fi
if [ "${HAS_CURL}" != "true" ] && [ "${HAS_WGET}" != "true" ]; then
echo "Either curl or wget is required"
exit 1
fi
if [ "${HAS_GIT}" != "true" ]; then
echo "[WARNING] Could not find git. It is required for plugin installation."
fi
}
# checkDesiredVersion checks if the desired version is available.
checkDesiredVersion() {
if [ "$VERSION" == "" ]; then
# Get tag from release URL
local latest_release_url="https://github.com/alibaba/higress/releases"
if [ "${HAS_CURL}" == "true" ]; then
VERSION=$(curl -Ls $latest_release_url | grep 'href="/alibaba/higress/releases/tag/v[0-9]*.[0-9]*.[0-9]*\"' | sed -E 's/.*\/alibaba\/higress\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
elif [ "${HAS_WGET}" == "true" ]; then
VERSION=$(wget $latest_release_url -O - 2>&1 | grep 'href="/alibaba/higress/releases/tag/v[0-9]*.[0-9]*.[0-9]*\"' | sed -E 's/.*\/alibaba\/higress\/releases\/tag\/(v[0-9\.]+)".*/\1/g' | head -1)
fi
if [ "$VERSION" == "" ]; then
echo "Failed to determine latest version. Please check network or set VERSION manually."
exit 1
fi
fi
}
# checkhgctlInstalledVersion checks which version of hgctl is installed and
# if it needs to be changed.
checkhgctlInstalledVersion() {
if [[ -f "${hgctl_INSTALL_DIR}/${BINARY_NAME}" ]]; then
version=$("${hgctl_INSTALL_DIR}/${BINARY_NAME}" version --client | grep -Eo "v[0-9]+\.[0-9]+.*")
if [[ "$version" == "$VERSION" ]]; then
echo "hgctl ${version} is already ${VERSION:-latest}"
return 0
else
echo "hgctl ${VERSION} is available. Changing from version ${version}."
return 1
fi
else
return 1
fi
}
# downloadFile downloads the latest binary package
# for that binary.
downloadFile() {
hgctl_DIST="hgctl_${VERSION}_${OS}_${ARCH}.tar.gz"
if [ "${OS}" == "windows" ]; then
hgctl_DIST="hgctl_${VERSION}_${OS}_${ARCH}.zip"
fi
DOWNLOAD_URL="https://github.com/alibaba/higress/releases/download/$VERSION/$hgctl_DIST"
hgctl_TMP_ROOT="$(mktemp -dt hgctl-installer-XXXXXX)"
hgctl_TMP_FILE="$hgctl_TMP_ROOT/$hgctl_DIST"
echo "Downloading $DOWNLOAD_URL"
if [ "${HAS_CURL}" == "true" ]; then
curl -SsL "$DOWNLOAD_URL" -o "$hgctl_TMP_FILE"
elif [ "${HAS_WGET}" == "true" ]; then
wget -q -O "$hgctl_TMP_FILE" "$DOWNLOAD_URL"
fi
}
# installFile installs the hgctl binary.
installFile() {
hgctl_TMP="$hgctl_TMP_ROOT/$BINARY_NAME"
mkdir -p "$hgctl_TMP"
tar xf "$hgctl_TMP_FILE" -C "$hgctl_TMP"
hgctl_TMP_BIN="$hgctl_TMP/out/${OS}_${ARCH}/hgctl"
echo "Preparing to install $BINARY_NAME into ${hgctl_INSTALL_DIR}"
runAsRoot cp "$hgctl_TMP_BIN" "$hgctl_INSTALL_DIR/$BINARY_NAME"
echo "$BINARY_NAME installed into $hgctl_INSTALL_DIR/$BINARY_NAME"
}
# installFileWindows installs the hgctl binary for windows.
installFileWindows() {
hgctl_TMP="$hgctl_TMP_ROOT/$BINARY_NAME"
mkdir -p "$hgctl_TMP"
unzip "$hgctl_TMP_FILE" -d "$hgctl_TMP"
hgctl_TMP_BIN="$hgctl_TMP/out/${OS}_${ARCH}/hgctl.exe"
echo "Preparing to install ${BINARY_NAME} into ${hgctl_INSTALL_DIR_WINDOWS}"
mkdir -p ${hgctl_INSTALL_DIR_WINDOWS}
cp "$hgctl_TMP_BIN" "$hgctl_INSTALL_DIR_WINDOWS/$BINARY_NAME_WINDOWS"
echo "$BINARY_NAME installed into $hgctl_INSTALL_DIR_WINDOWS/$BINARY_NAME_WINDOWS"
}
# fail_trap is executed if an error occurs.
fail_trap() {
result=$?
if [ "$result" != "0" ]; then
if [[ -n "$INPUT_ARGUMENTS" ]]; then
echo "Failed to install $BINARY_NAME with the arguments provided: $INPUT_ARGUMENTS"
else
echo "Failed to install $BINARY_NAME"
fi
echo -e "\tFor support, go to https://github.com/alibaba/higress."
fi
cleanup
exit $result
}
# testVersion tests the installed client to make sure it is working.
testVersion() {
dir="$hgctl_INSTALL_DIR"
if [ "${OS}" == "windows" ]; then
dir="$hgctl_INSTALL_DIR_WINDOWS"
fi
set +e
if ! [ "$(command -v $BINARY_NAME)" ]; then
echo "$BINARY_NAME not found. Is ${dir} on your PATH?"
exit 1
fi
set -e
}
# cleanup temporary files.
cleanup() {
if [[ -d "${hgctl_TMP_ROOT:-}" ]]; then
rm -rf "$hgctl_TMP_ROOT"
fi
}
# Execution
#Stop execution on any error
trap "fail_trap" EXIT
set -e
initArch
initOS
verifySupported
checkDesiredVersion
if ! checkhgctlInstalledVersion; then
downloadFile
if [ "${OS}" == "windows" ]; then
installFileWindows
else
installFile
fi
fi
testVersion
cleanup