Some helpful docker aliases

.bash_aliases.sh

# GNU parallel
# better than xargs: http://www.gnu.org/software/parallel/
# install: (wget -O - pi.dk/3 || curl pi.dk/3/) | bash && \
#              echo will cite | parallel --bibtex
command -v parallel &>/dev/null
if [ $? != 0 ]; then
    alias para='xargs'
else
    alias para='parallel'
fi

# docker
alias compose='docker-compose'
alias ddang="docker images -a -f 'dangling=true'"
alias ddangrm="docker images -a -q -f 'dangling=true' | para docker rmi"
alias dpsa='docker ps -a'
alias dpsarm='docker ps -a -q | para docker kill | para docker rm'
alias machine='docker-machine'
dmenv () {
    if [ -n "$1" ]; then
        $(machine active $1) 2>/dev/null
        if [ $? != 0 ]; then
            echo "could not set the active machine: $1"
            return 1
        fi
    fi
    local mac=
    local sta=
    mac="$(machine active)"
    sta=$?
    if [ $sta != 0 ]; then
        echo "could not get the active machine"
        return 1
    fi
    local macenv=
    macenv="$(machine env $mac)"
    sta=$?
    if [ $sta != 0 ]; then
        echo "could not get env settings for active machine: $mac"
        return 1
    fi
    eval "$macenv"
}