build: Install Go in Vagrant from official release

Vagrantfile

@@ -93,6 +93,10 @@ def configureLinuxProvisioners(vmCfg)
 		privileged: true,
 		inline: 'rm -f /home/vagrant/linux.iso'
 
+	vmCfg.vm.provision "shell",
+		privileged: true,
+		path: './scripts/vagrant-linux-priv-go.sh'
+
 	vmCfg.vm.provision "shell",
 		privileged: true,
 		path: './scripts/vagrant-linux-priv-config.sh'

scripts/vagrant-linux-priv-config.sh

@@ -9,9 +9,6 @@ apt-get install -y software-properties-common
 # Add i386 architecture (for libraries)
 dpkg --add-architecture i386
 
-# Add a Golang PPA
-sudo add-apt-repository ppa:gophers/archive
-
 # Add the Docker repository
 apt-key adv \
 	--keyserver hkp://p80.pool.sks-keyservers.net:80 \
@@ -28,7 +25,6 @@ apt-get update
 apt-get install -y \
 	build-essential \
 	git \
-	golang-1.9 \
 	libc6-dev-i386 \
 	liblxc1 \
 	libpcre3-dev \
@@ -67,29 +63,6 @@ apt-get install -y \
 # Ensure everything is up to date
 apt-get upgrade -y
 
-# Ensure Go is on PATH
-if [ ! -e /usr/bin/go ] ; then
-	ln -s /usr/lib/go-1.9/bin/go /usr/bin/go
-fi
-if [ ! -e /usr/bin/gofmt ] ; then
-	ln -s /usr/lib/go-1.9/bin/gofmt /usr/bin/gofmt
-fi
-
-# Ensure that the GOPATH tree is owned by vagrant:vagrant
-mkdir -p /opt/gopath
-chown vagrant:vagrant \
-       /opt/gopath \
-       /opt/gopath/src \
-       /opt/gopath/src/github.com \
-       /opt/gopath/src/github.com/hashicorp
-
-# Ensure new sessions know about GOPATH
-cat <<EOF > /etc/profile.d/gopath.sh
-export GOPATH="/opt/gopath"
-export PATH="/opt/gopath/bin:\$PATH"
-EOF
-chmod 755 /etc/profile.d/gopath.sh
-
 # Restart Docker in case it got upgraded
 systemctl restart docker.service
 

scripts/vagrant-linux-priv-go.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+
+function install_go() {
+	local go_version=1.9
+	local download=
+
+	download="https://storage.googleapis.com/golang/go${go_version}.linux-amd64.tar.gz"
+
+	if [ -d /usr/local/go ] ; then
+		return
+	fi
+
+	wget -q -O /tmp/go.tar.gz ${download}
+
+	tar -C /tmp -xvf /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 vagrant:vagrant
+mkdir -p /opt/gopath
+chown vagrant:vagrant \
+	/opt/gopath \
+	/opt/gopath/src \
+	/opt/gopath/src/github.com \
+	/opt/gopath/src/github.com/hashicorp
+
+# Ensure Go is on PATH
+if [ ! -e /usr/bin/go ] ; then
+	ln -s /usr/local/go/bin/go /usr/bin/go
+fi
+if [ ! -e /usr/bin/gofmt ] ; then
+	ln -s /usr/local/go/bin/gofmt /usr/bin/gofmt
+fi
+
+
+# Ensure new sessions know about GOPATH
+if [ ! -f /etc/profile.d/gopath.sh ] ; then
+	cat <<EOT > /etc/profile.d/gopath.sh
+export GOPATH="/opt/gopath"
+export PATH="/opt/gopath/bin:\$PATH"
+EOT
+	chmod 755 /etc/profile.d/gopath.sh
+fi