| #!/bin/bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| |
| # Treat unset variables and parameters other than the special parameters ‘@’ or ‘*’ as an error. |
| set -u |
| |
| # Exit the script with a message. |
| abort() { |
| printf "%s\n" "$@" |
| exit 1 |
| } |
| |
| # Check if there is a bash. |
| if [ -z "${BASH_VERSION:-}" ]; then |
| abort "Bash is required to interpret this install script." |
| fi |
| |
| # Check OS. |
| OS="$(uname)" |
| if [[ "$OS" != "Darwin" && "$OS" != "Linux" ]]; then |
| abort "The install script is only supported on macOS and Linux." |
| fi |
| |
| check_cmd() { |
| if ! command -v "$@" &> /dev/null |
| then |
| abort "You must install "$@" before running the install script." |
| fi |
| } |
| |
| # Check if the commands to be used exist. |
| for cmd in shasum curl tar awk; do |
| check_cmd $cmd |
| done |
| |
| # Convert the string to lower case. |
| OS=$(echo $OS | awk '{print tolower($0)}') |
| |
| # Get the latest version of swctl. |
| VERSION=$(curl "https://raw.githubusercontent.com/apache/skywalking-website/master/data/releases.yml" | grep --after-context=7 "name: SkyWalking CLI" | grep "version" | grep -Eo "[0-9]+.[0-9]+.[0-9]+") |
| if [ "$VERSION" != "" ]; then |
| echo "The latest version of swctl is $VERSION" |
| |
| # Download the binary package. |
| curl -sSLO "https://archive.apache.org/dist/skywalking/cli/$VERSION/skywalking-cli-$VERSION-bin.tgz" > /dev/null |
| if [ -f "skywalking-cli-$VERSION-bin.tgz" ]; then |
| # Verify the integrity of the downloaded file. |
| curl -sSLO "https://archive.apache.org/dist/skywalking/cli/$VERSION/skywalking-cli-$VERSION-bin.tgz.sha512" > /dev/null |
| VERIFY=$(shasum -a512 -c "skywalking-cli-$VERSION-bin.tgz.sha512") |
| if [ "${VERIFY#* }" = "OK" ]; then |
| echo "The downloaded file is complete." |
| tar -zxvf skywalking-cli-$VERSION-bin.tgz |
| |
| # Add swctl to the environment variable PATH. |
| sudo cp skywalking-cli-$VERSION-bin/bin/swctl-$VERSION-$OS-amd64 /usr/local/bin/swctl |
| |
| # Delete unnecessary files. |
| sudo rm -rf "./skywalking-cli-$VERSION-bin.tgz.sha512" "./skywalking-cli-$VERSION-bin.tgz" "./skywalking-cli-$VERSION-bin" |
| |
| echo "Type 'swctl --help' to get more information." |
| else |
| abort "The downloaded file is incomplete." |
| fi |
| else |
| abort "Failed to download skywalking-cli-$VERSION-bin.tgz" |
| fi |
| else |
| echo $VERSION |
| abort "Can't get the latest version. The install script may be invalid, try other install methods please." |
| fi |