Multiple Github Deploy keys on single machine

gen-deploykey

#!/bin/bash

# http://eclipsesource.com/blogs/2012/07/30/accessing-multiple-private-github-repositories-without-a-dedicated-build-user/

set -e

self=${0}
script_name=$(basename ${self})
script_dir=$(dirname ${self})
ssh_dir=${script_dir}/../common/ssh

if [[ $# < 1 ]]; then
   echo "Generates repository Deploy key"
   echo "https://developer.github.com/guides/managing-deploy-keys/#deploy-keys"
   echo "Usage: ${script_name} <REPONAME>"
   exit 1
fi

reponame=${1}

if [[ -f ${ssh_dir}/id_rsa-${reponame} ]]; then
   echo "Deploy key for ${reponame} already exists"
   exit 1
fi

ssh-keygen -t rsa -N "" -C "Deploy key for ${reponame}" \
           -f ${ssh_dir}/id_rsa-${reponame}

cat >>${ssh_dir}/config <<EOF

Host ${reponame}.github.com
  HostName github.com
  User git
  IdentityFile ~/.ssh/id_rsa-${reponame}
EOF

echo
echo "Deploy key for ${reponame} generated."
echo "Now:"
echo "1. Go to ${reponame} -> Settings -> Deploy keys -> Add deploy key "
echo "   and paste "
cat ${ssh_dir}/id_rsa-${reponame}.pub
echo "2. Run bin/images-build to rebuild the images"
echo "3. Push new images to the registry"