packer/packer_templates/_common/vagrant.sh

#!/bin/sh -eux

#   Licensed 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.

# set a default HOME_DIR environment variable if not set
HOME_DIR="${HOME_DIR:-/home/vagrant}";

pubkey_url="https://raw.githubusercontent.com/mitchellh/vagrant/master/keys/vagrant.pub";
mkdir -p $HOME_DIR/.ssh;
if command -v wget >/dev/null 2>&1; then
    wget --no-check-certificate "$pubkey_url" -O $HOME_DIR/.ssh/authorized_keys;
elif command -v curl >/dev/null 2>&1; then
    curl --insecure --location "$pubkey_url" > $HOME_DIR/.ssh/authorized_keys;
elif command -v fetch >/dev/null 2>&1; then
    fetch -am -o $HOME_DIR/.ssh/authorized_keys "$pubkey_url";
else
    echo "Cannot download vagrant public key";
    exit 1;
fi
chown -R vagrant $HOME_DIR/.ssh;
chmod -R go-rwsx $HOME_DIR/.ssh;