functions

function dock() {
  # Point docker client and docker-machine to the given node
  eval "$(docker-machine env $@)"
}

# Remove all containers as well as clear out dangling images
function cleardock() {
  docker rm -f $(docker ps -aq) 2> /dev/null
  docker rmi $(docker images --filter "dangling=true" -q) 2> /dev/null
}

# Return public IP of a running container
function dockip() {
  docker inspect $(docker ps -f name=$@ -q) | grep IP\" | cut -d '"' -f 4
}

# Kill all running instances of given image with partial match
function dockrm() {
  docker rm -f $(docker ps | awk '{print $1,$2}' | grep $@ | awk '{print $1}')
}

# List running instances of a given image with partial match, showing none if no match
function dockpsi() {
  docker ps --filter id=nonexisting $(docker ps | awk '{print $1,$2}' | grep $@ | awk '{print $1}' | xargs -I{} echo --filter id={} | xargs)
}