manage_pxe_container

#!/bin/sh
[ -z "${PXE_VLAN_ADDR}" ] && PXE_VLAN_ADDR=192.168.90.2
[ -z "${PXE_IMAGE_NAME}" ] && PXE_IMAGE_NAME=pxe_coreos
PXECID=$(docker ps --no-trunc | grep "${PXE_IMAGE_NAME}:latest" | awk '{print $1}')
case "$1" in
        '')
                echo "I need one parameter: start | stop | status | enter | logs"
        ;;
	start)
                if [ ! -z "${PXECID}" ]; then
                        echo it looks like there is already a pxe container running...
                	exit 1
		fi
		mkdir -p /home/core/${PXE_IMAGE_NAME}.data
		PXECID=$(docker run --cap-add NET_ADMIN -v /home/core/${PXE_IMAGE_NAME}.data:/cloudconfigserver/data -d ${PXE_IMAGE_NAME})
		if [ -z "${PXECID}" ]; then
   			echo something bad happened, container not launched.
   			exit 1
		fi
		sudo /root/bin/pipework br-internal ${PXECID} ${PXE_VLAN_ADDR}/24
	;;
    	enter)
                if [ -z "${PXECID}" ]; then
                        echo could not find pxe container.
                	exit 1
                fi
		[ -z "$2" ] && PXESHELL=bash || PXESHELL="$2"
                docker exec -i -t ${PXECID} ${PXESHELL}
        ;;
        stop)
                if [ -z "${PXECID}" ]; then
                        echo could not find pxe container.
                        exit 1
                fi
                docker stop ${PXECID}
		[ "$2" == "rm" ] && docker rm ${PXECID}
        ;;
	status)
		docker ps -a | grep -e "CONTAINER\|${PXE_IMAGE_NAME}"
	;;
	*)
		if [ -z "${PXECID}" ]; then
   			echo could not find pxe container.
   			exit 1
		fi
		docker $1 ${PXECID}
	;;
esac