00-docker-baids

#!/bin/bash

function docker-container-grep() {
    PATTERN=$@
    docker ps -a | grep $PATTERN | grep -v ^CONTAINER
}

function docker-container-grep-running() {
    PATTERN=$@
    docker ps | grep $PATTERN | grep -v ^CONTAINER
}

function docker-container-kill-pattern() {
    PATTERN=$@
    docker-container-grep-running $PATTERN | awk '{print $1}' | xargs -rI % bash -c 'echo $(docker kill %; echo "killed!");'
}

function docker-container-most-recent() {

    docker ps | grep -v ^CONTAINER | head -n1 | awk '{print $1}'

}

function docker-container-most-recent-killed() {

    docker ps -a | grep Exited | head -n1 | awk '{print $1}'

}

function docker-container-diff-most-recent() {

    LAST_CONTAINER=$(docker-container-most-recent)

    if [ ! -z "$LAST_CONTAINER" ]
    then
        docker diff $LAST_CONTAINER
    else
        echo "There are no running containers!"
    fi

}

function docker-container-get-ip() {

    CONTAINER_ID=$1
    if [ -z "$CONTAINER_ID" ]
    then
        CONTAINER_ID=$(docker-container-most-recent)
    fi
    if [ ! -z "$CONTAINER_ID" ]
    then
        docker inspect --format '{{ .NetworkSettings.IPAddress }}' $CONTAINER_ID
    else
        echo "There are no running containers!"
    fi

}

function docker-container-inspect-most-recent() {

    LAST_CONTAINER=$(docker-container-most-recent)
    if [ ! -z "$LAST_CONTAINER" ]
    then
        docker inspect $LAST_CONTAINER
    else
        echo "There are no running containers!"
    fi

}

function docker-container-get-root() {

    CONTAINER_ID=$1
    if [ -z "$CONTAINER_ID" ]
    then
        CONTAINER_ID=$(docker-container-most-recent)
    fi
    if [ ! -z "$CONTAINER_ID" ]
    then
        docker inspect --format '{{ .HostsPath }}' $CONTAINER_ID
    else
        echo "There are no running containers!"
    fi

}

function docker-container-map-port() {
    CONTAINER_ID=$1
    SRC_PORT=$2
    DST_PORT=$3
    CONTAINER_IP=$(docker-container-get-ip $CONTAINER_ID)
    iptables -t nat -A  DOCKER -p tcp --dport $SRC_PORT -j DNAT --to-destination $CONTAINER_IP:$DST_PORT
}

function docker-container-remove-all() {

    docker ps -a | grep -v ^CONTAINER | awk '{print $1}' | xargs -rI % bash -c 'docker kill %; docker rm %'

}

function docker-container-remove-all-non-running() {

    docker ps -a | grep -v ^CONTAINER | grep Exit | awk '{print $1}' | xargs -rI % bash -c 'docker rm %'

}

function docker-container-remove-pattern() {

    PATTERN=$@
    docker-container-kill-pattern $PATTERN
    docker-container-grep $PATTERN | awk '{print $1}' | xargs -rI % bash -c 'echo $(docker rm %; echo "removed!")'

}

function docker-enter() {

    NSENTER=/usr/local/bin/nsenter
    if [ ! -e $NSENTER ]
    then
        docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter
    fi

    if [ -z "$1" ]; then
        echo "usage: docker-enter <container id/name> <command to run default:sh>"
    else
        CONTAINER_ID=$(docker inspect --format {{.State.Pid}} "$1")
        if [ -z "$CONTAINER_ID" ]; then
           exit 1
        fi
    shift
    "$NSENTER" --target $CONTAINER_ID --mount --uts --ipc --net --pid -- "$@"
fi

}

function docker-image-grep() {
    PATTERN=$@
    docker images | grep $PATTERN | grep -v ^REPOSITORY
}

function docker-image-most-recent() {

    docker images | grep -v ^REPOSITORY | head -n1 | awk '{print $3}'

}

function docker-image-remove-all() {

    docker-container-remove-all
    docker images -a | grep -v ^REPOSITORY | awk '{print $3}' | xargs -rI % bash -c 'docker rmi %'

}

function docker-image-remove-orphan() {

    docker images | grep "<none>" | awk '{print $3}' | xargs -rI % bash -c 'docker rmi %'

}

function docker-image-remove-pattern() {
    PATTERN=$@
    docker-image-grep $PATTERN | awk '{print $1":"$2}' | xargs -rI % bash -c 'docker rmi %'
}

function docker-volumes-remove-orphan() {

  docker volume rm $(docker volume ls -qf dangling=true)

}