Provisioning script for a mongo-backed go server on a vagrant box

Go14MongoVagrant-20150514-0330.sh

#! /bin/bash

# Provisioning script for a mongo-backed go server on a vagrant box

echo "install basic requirements"
apt-get --quiet -y update
DEBIAN_FRONTEND=noninteractive apt-get --quiet -y upgrade
apt-get --quiet -y install build-essential mercurial git curl libssl-dev pkg-config tree mongodb bison make gcc binutils


# turns out that golang doesn't have a good install process for ubuntu (current version on apt-get is 1.0)
# so we're going to install gvm to manage go versions.
# The gvm installer actually lets you install in a nonstandard location so we download it and
# run it locally

if [ ! -d /usr/local/gvm ]; then
    echo "Installing gvm"
    curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer -O
    source gvm-installer master /usr/local
    rm gvm-installer
fi
source  /usr/local/gvm/scripts/gvm

if [ ! -x "$(command -v go)" ]; then
    echo "download Go and install it"
    gvm install go1.4 --binary
fi
gvm use go1.4

echo "set environment variables required for the vagrant user"
HOMEDIR=/home/vagrant
BASHFILE=$HOMEDIR/.bashrc
TEMPFILE=$HOMEDIR/_CUSTOM_._TXT_

mkdir -p $HOMEDIR/apps/go/bin $HOMEDIR/apps/go/src $HOMEDIR/apps/go/pkg

# fetch some extra bash niceness
curl --silent --get https://gist.githubusercontent.com/kentquirk/9820348e451da9fc02b4/raw >$HOMEDIR/.startup

# remove any old CUSTOM lines and add these instead
grep -v "# CUSTOM" $BASHFILE >$TEMPFILE
cat $TEMPFILE > $BASHFILE
cat <<EOF1 >> $BASHFILE
source  /usr/local/gvm/scripts/gvm      # CUSTOM
gvm use go1.4                           # CUSTOM
if [ -f "$HOMEDIR/.startup" ] ; then    # CUSTOM
    . "$HOMEDIR/.startup"               # CUSTOM
fi                                      # CUSTOM
EOF1
rm $TEMPFILE

chown -R vagrant:vagrant *
chown vagrant:vagrant $BASHFILE .startup


echo "Provisioning complete."