Launching ssh-agent on a remote host and reusing the same agent for all ssh connections.

gistfile1.txt

ssh-launch-agent() {
    echo "Starting ssh-agent for remote connection..."
    eval `ssh-agent -s -a "$HOME/.ssh/ssh-auth-remote.sock"`
    echo $SSH_AGENT_PID > "$HOME/.ssh/ssh-agent-remote.pid"
    ssh-add
}


if [ ! -z "$SSH_TTY" ]; then
  [ ! -f "$HOME/.ssh/ssh-agent-remote.pid" ] && ssh-launch-agent
  pid=`cat "$HOME/.ssh/ssh-agent-remote.pid"`
  if [ ! -d /proc/$pid ]; then
    # restarting ssh-agent
    ssh-launch-agent
  else
    # existing agent running
    export SSH_AGENT_PID=$pid
    export SSH_AUTH_SOCK="$HOME/.ssh/ssh-auth-remote.sock"
  fi
fi