sshfs

#!/bin/bash

# setup sshfs

# default options
RPI_SSHFS_URL="${RPI_SSHFS_URL:=}"
RPI_SSHFS_MOUNTPOINT="${RPI_SSHFS_MOUNTPOINT:=/mnt/net}"

# load dependencies
plugin_load apt || return 1


function rpi_sshfs_prerun() {
    # check arguments
    [[ -n "${RPI_SSHFS_URL}" ]] || error "RPI_SSHFS_URL must be set"
    return 0
}

function rpi_sshfs_run() {
    # install sshfs package
    RPI_APT_CMDS="install sshfs" plugin_run apt
    # edit fstab
    rpi_append_to_file "${RPI_SSHFS_URL}   ${RPI_SSHFS_MOUNTPOINT}    fuse.sshfs   user,noauto,defaults,uid=1000,gid=1000,_netdev,reconnect,compression" "${RPI_ROOT}/etc/fstab"
    # create mountpoint
    sudo mkdir -p "${RPI_ROOT}/${RPI_SSHFS_MOUNTPOINT}"
    # print pubkey
    if compgen -G "${RPI_ROOT}/home/pi/.ssh/*.pub" >/dev/null ; then
        local pubkey
        pubkey=("${RPI_ROOT}/home/pi/.ssh/"*.pub)
        printf " authorize this pubkey for sshfs: %s\n" "$(< "${pubkey[@]}")"
    else
        warn "no pubkey found. Maybe needs RPI_SSH_KEYGEN=true ?"
    fi
    printf " mountpoint: %s\n" "${RPI_SSHFS_MOUNTPOINT}"
    printf " make sure \"%s\" exists and is accessible\n" "${RPI_SSHFS_URL}"
}

function rpi_sshfs_description() {
    echo "mount local filesystem on raspberry pi via ssh + fuse"
}

function rpi_sshfs_help_params() {
    help_param "RPI_SSHFS_URL" "sftp url"
    help_param "RPI_SSHFS_MOUNTPOINT" "directory to mount fs"
}