Cyon Geekserver Provisionin Scaffold

provision.sh

#!/usr/bin/env bash
 
# Written by Felix Rabe (rabe.io).
# Hereby placed in the Public Domain. Use however you wish.
 
if [[ $# -eq 0 ]] ; then
  echo "This script is for provisioning a Cyon Geekserver that has"
  echo "been set up using Ubuntu 14.04.  ONLY USE FOR A NEW SERVER!"
  echo
  echo "Usage example:"
  echo "  ./provision.sh vsg-xxxxxx.cyoncloud.com"
  echo
  echo "The script will only ask for the root password once."
  exit 0
fi
 
HOST=$1
 
## This script is based on:
##   http://theholyjava.wordpress.com/2010/09/10/ssh-magic-authorize-only-once-for-multiple-sshscp-invocations/
USER_AT_HOST="root@$HOST"
SSHSOCKET=~/".ssh/$USER_AT_HOST"
 
## 1. Open the master connection
echo "AUTHENTICATE ONCE"
echo
ssh -M -f -N -o ControlPath="$SSHSOCKET" "$USER_AT_HOST"
 
## 2. Open and close other connections without re-authenticating
# scp -o ControlPath="$SSHSOCKET" "$USER_AT_HOST":remoteFile.txt ./
ssh -o ControlPath="$SSHSOCKET" "$USER_AT_HOST" "echo hello"
ssh -o ControlPath="$SSHSOCKET" "$USER_AT_HOST" "echo world"
 
## 3. Close the master connection
ssh -S "$SSHSOCKET" -O exit "$USER_AT_HOST"
 
echo
echo ":: DONE ::"
echo
echo "Server is now ready to host Docker images."