vbox.sh

#!/bin/sh

vbox_is_running() {
	count=$(VBoxManage showvminfo "$1" | grep -c 'running (since')
	[ 0 -lt $count ]
}

vbox_start_if_needed() {
	vbox_is_running "$1" || VBoxManage startvm "$1" --type headless
}

ssh_retry_until_success() {
	false
	until [ 0 -eq $? ]; do
		sleep 1
		ssh -q "$@" true || false
	done
	ssh -q "$@"
}

main() {
	case "$1" in
	centos6)
		vbox_start_if_needed 'CentOS 6'
		ssh_retry_until_success centos6
		;;
	centos7)
		vbox_start_if_needed 'CentOS 7'
		ssh_retry_until_success centos7
		;;
	netbsd7)
		vbox_start_if_needed 'NetBSD 7'
		ssh_retry_until_success netbsd7
		;;
	tribblix)
		vbox_start_if_needed 'Tribblix'
		ssh_retry_until_success tribblix
		;;
	*)
		echo "unknown VM" >&2
		exit 77
	esac
}

main "$@"
exit $?