open-nomad/scripts/linux-priv-go.sh

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#!/usr/bin/env bash
# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: MPL-2.0
set -o errexit
# Identify the user we are running as. If it's as root, we assume Vagrant
# which isn't great, but is better than the old behaviour.
USER=""
case $(whoami) in
root) USER="vagrant" ;;
*) USER=$(whoami) ;;
esac
# Minimal effort to support amd64 and arm64 installs.
ARCH=""
case $(arch) in
x86_64) ARCH="amd64" ;;
aarch64) ARCH="arm64" ;;
esac
function install_go() {
local go_version="1.20.2"
local download="https://storage.googleapis.com/golang/go${go_version}.linux-${ARCH}.tar.gz"
if go version 2>&1 | grep -q "${go_version}"; then
return
fi
# remove previous older version
sudo rm -rf /usr/local/go
if [ -f /tmp/go.tar.gz ] ; then
sudo rm -f /tmp/go.tar.gz
fi
# retry downloading on spurious failure
curl -sSL --fail -o /tmp/go.tar.gz \
--retry 5 --retry-connrefused \
"${download}"
tar -C /tmp -xf /tmp/go.tar.gz
sudo mv /tmp/go /usr/local
sudo chown -R root:root /usr/local/go
}
install_go
# Ensure that the GOPATH tree is owned by the correct user.
sudo mkdir -p /opt/gopath
sudo chown -R $USER:$USER /opt/gopath
# Ensure Go is on PATH
if [ ! -e /usr/bin/go ] ; then
sudo ln -s /usr/local/go/bin/go /usr/bin/go
fi
if [ ! -e /usr/bin/gofmt ] ; then
sudo ln -s /usr/local/go/bin/gofmt /usr/bin/gofmt
fi
# Ensure new sessions know about GOPATH
if sudo test ! -f /etc/profile.d/gopath.sh ; then
sudo bash -c 'cat <<EOT > /etc/profile.d/gopath.sh
export GOPATH="/opt/gopath"
export PATH="/opt/gopath/bin:\$PATH"
EOT'
sudo chmod 755 /etc/profile.d/gopath.sh
fi