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#!/usr/bin/env bash |
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# qvm - Trivial management of 64 bit virtual machines with qemu. |
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# |
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# Written in 2018 by Franco Masotti/frnmst <franco.masotti@student.unife.it> |
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# |
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# To the extent possible under law, the author(s) have dedicated all |
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# copyright and related and neighboring rights to this software to the public |
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# domain worldwide. This software is distributed without any warranty. |
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# |
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# You should have received a copy of the CC0 Public Domain Dedication along |
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# with this software. If not, see |
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# <http://creativecommons.org/publicdomain/zero/1.0/>. |
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################################################################ |
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# This script is intended to be used along with a shell alias. # |
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################################################################ |
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# Source variables globally. |
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. ./configvmrc |
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help() |
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{ |
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cat <<-EOF |
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Usage: automatical_remote_startup.sh [OPTION] |
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Start QEMU on a remote host computer and connect to it |
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Options: |
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-d, --default start the vm in headless mode and connect to it |
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with SSH |
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-h, --help print this help |
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-u, --use-vnc start the vm in VNC mode and connect to it with the |
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VNC client |
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Only a single option is accepted. |
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By default, a headless connection will be initialized. |
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Preconditions for this to work is to setup SSH correctly on both |
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computers. |
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CC0 |
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Written in 2018 by Franco Masotti/frnmst <franco.masotti@student.unife.it> |
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EOF |
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} |
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connect() |
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{ |
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local argc1="$1" |
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if [ -z "$(ssh ${host_username}@${host_ip_address} "pgrep qemu")" ]; then |
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if [ "$argc1" = "use_vnc" ]; then |
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ssh -p "${ssh_exposed_port}" -l "${host_username}" "${host_ip_address}" \ |
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"cd ${host_qvm_script_directory} && ./qvm --run-vnc" & |
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else |
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ssh -p "${ssh_exposed_port}" -l "${host_username}" "${host_ip_address}" \ |
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"cd ${host_qvm_script_directory} && ./qvm -n" & |
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fi |
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sleep "${seconds_before_connection_attempt}" |
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fi |
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if [ "$argc1" = "use_vnc" ]; then |
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./qvm --remote & |
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else |
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echo in |
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./qvm --attach-remote |
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fi |
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} |
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unrecognized_option() |
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{ |
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printf "%s\n" "Try 'automatical_remote_startup.sh --help' for more information" |
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} 1>&2- |
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main() |
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{ |
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local argc="$1" |
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local options="dhu" |
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local long_options="default,help,use-vnc" |
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local opts |
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local opt |
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[ -z "$argc" ] && argc="--default" |
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opts="$(getopt --options $options --longoptions $long_options -- $argc)" |
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[ $? -ne 0 ] && unrecognized_option && return 1 |
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eval set -- "$opts" |
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# Source variables globally. |
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. ./configvmrc |
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for opt in $opts; do |
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case "$opt" in |
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-- ) ;; |
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-h | --help ) help ;; |
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-u | --use-vnc ) connect use_vnc ;; |
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-d | --default ) connect ;; |
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esac |
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done |
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} |
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main "$*" |
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