.bashrc additions for docker sugar

.bashrc.docker.sh

# .bashrc.docker

# get id of last container started
docker-last() { docker ps -l -q ;}

# http://www.commandlinefu.com/commands/view/15050/attach-to-bash-shell-in-the-last-container-you-started
docker-exec() { docker exec -i -t $(docker-last) ${@-bash} ;}

# get ip of container with given id (default: last started container)
docker-ip() { docker inspect --format '{{ .NetworkSettings.IPAddress }}' ${1-$(docker-last)} ;}

# bring down docker bridge
docker-delbr() {
    BRIDGE=${1-docker0}
    sudo ip link set ${BRIDGE} down
    sudo brctl delbr ${BRIDGE}
}

# fix selinux permissions for use in docker containers
docker-chcon() { [[ $# -gt 0 ]] && chcon -Rt svirt_sandbox_file_t $@ ;}

# clean-up cache
docker-clean() {
    for d in $(docker ps -a -q); do
        docker stop $d || true
        docker rm $d || true
    done

    docker images | grep \<none\> | awk '{print $3}' \
        | xargs -I {} docker rmi --force {}
}