Skip to content

Instantly share code, notes, and snippets.

@jcberthon

jcberthon/mount.sh

Created February 17, 2013 10:02
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save jcberthon/4970871 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save jcberthon/4970871 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. jcberthon created this gist Feb 17, 2013.
    72 changes: 72 additions & 0 deletions mount.sh
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,72 @@
    #!/usr/bin/env bash
    # call with `mount.sh true` for debug messages

    home_vols=( "/Volumes/NFS_mount" ) # if more than one mountpoint then order is important
    home_router_mac="0:23:46:9d:e:f7" # use code below to identify this data
    mounts=( `mount | grep /Volumes | awk {'print$3'}` )

    router_ip=`netstat -rnf inet | grep default | awk {'print$2'}`
    router_mac=`netstat -rnf inet | grep -v link | grep -w ^$router_ip | awk {'print$2'}`
    #echo $router_mac #for current router's MAC address

    #test for any parameter, true if debugging
    test -n "$1" && dbg=$1 || dbg=false #;dbg=true

    function debug {
    [ $dbg == true ] && echo $1
    }

    function on_error {
    echo "errno $1"
    echo "rmdir $vol"
    rmdir $vol
    isMounted=false
    }

    function un_mount {
    for mount in ${mounts[@]}; do
    for vol in ${home_vols[@]}; do
    [ $mount == $vol ] && mount | grep nfs | grep $mount | awk {'print$3'} | xargs -t umount -f
    done
    done
    exit $?
    }

    function mount_disk {
    echo "trying to mount $vol as $1"
    mkdir $vol
    ### fix the following line to mount your nfs volume
    mount_nfs [-o options] server:/path $vol
    ###
    test $? != 0 && on_error $?
    }

    # if nothing mounted need $vols not empty to try when at home
    [ -z $mounts ] && mounts=( "zero_mounts" )

    debug "Running $0"
    debug "volumes: `ls /Volumes*`"
    debug "mounted volumes: `echo ${mounts[@]}`"

    if [ "$router_mac" == "" ]; then
    debug "not connected"
    un_mount
    fi
    if ! [ "$router_mac" == $home_router_mac ]; then
    debug "not at home"
    un_mount
    fi
    if [ $router_mac == $home_router_mac ]; then
    debug "at home"
    for mount in ${mounts[@]}; do
    for vol in ${home_vols[@]}; do
    if [ ! $mount == $vol ] && [ ! -d $vol ]; then
    mount_disk
    fi
    done
    done
    fi

    debug "isMounted: "$isMounted
    debug "volumes: `ls /Volumes*`"
    debug "mounted volumes: `mount | grep /Volumes | awk {'print$3'}`"