shell-completion/bash/systemd-nspawn

   1 # systemd-nspawn(1) completion                  -*- shell-script -*-
   2 # SPDX-License-Identifier: LGPL-2.1+
   3 #
   4 # This file is part of systemd.
   5 #
   6 # Copyright 2014 Thomas H.P. Andersen
   7 #
   8 # systemd is free software; you can redistribute it and/or modify it
   9 # under the terms of the GNU Lesser General Public License as published by
  10 # the Free Software Foundation; either version 2.1 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # systemd is distributed in the hope that it will be useful, but
  14 # WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16 # General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU Lesser General Public License
  19 # along with systemd; If not, see <http://www.gnu.org/licenses/>.
  20
  21 __contains_word() {
  22         local w word=$1; shift
  23         for w in "$@"; do
  24                 [[ $w = "$word" ]] && return
  25         done
  26 }
  27
  28 __get_users() {
  29         local a b
  30         loginctl list-users --no-legend --no-pager | { while read a b; do echo " $b"; done; };
  31 }
  32
  33 __get_slices() {
  34         local a b
  35         systemctl list-units -t slice --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  36 }
  37
  38 __get_machines() {
  39         local a b
  40         machinectl list --no-legend --no-pager | { while read a b; do echo " $a"; done; };
  41 }
  42
  43 __get_env() {
  44         local a
  45         env | { while read a; do echo " ${a%%=*}"; done; };
  46 }
  47
  48 __get_interfaces(){
  49         { cd /sys/class/net && echo *; } | \
  50         while read -d' ' -r name; do
  51                 [[ "$name" != "lo" ]] && echo "$name"
  52         done
  53 }
  54
  55 _systemd_nspawn() {
  56         local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]}
  57         local i verb comps
  58
  59         local -A OPTS=(
  60                 [STANDALONE]='-h --help --version --private-network -b --boot --read-only -q --quiet --share-system --keep-unit -n --network-veth
  61                               -j -x --ephemeral -a --as-pid2 --private-users-chown -U'
  62                        [ARG]='-D --directory -u --user --uuid --capability --drop-capability --link-journal --bind --bind-ro -M --machine
  63                               -S --slice -E --setenv -Z --selinux-context -L --selinux-apifs-context --register --network-interface --network-bridge
  64                               --personality -i --image --tmpfs --volatile --network-macvlan --kill-signal --template --notify-ready --root-hash
  65                               --chdir --pivot-root --property --private-users --network-namespace-path --network-ipvlan --network-veth-extra
  66                               --network-zone -p --port --system-call-filter --overlay --overlay-ro --settings'
  67         )
  68
  69         _init_completion || return
  70
  71         if __contains_word "$prev" ${OPTS[ARG]}; then
  72                 case $prev in
  73                         --directory|-D|--template)
  74                                 compopt -o nospace
  75                                 comps=$(compgen -S/ -A directory -- "$cur" )
  76                         ;;
  77                         --user|-u)
  78                                 comps=$( __get_users )
  79                         ;;
  80                         --uuid|--root-hash)
  81                                 comps=''
  82                         ;;
  83                         --capability)
  84                                 comps='CAP_BLOCK_SUSPEND CAP_IPC_LOCK CAP_MAC_ADMIN CAP_MAC_OVERRIDE CAP_SYS_MODULE CAP_SYS_PACCT CAP_SYS_RAWIO
  85                                        CAP_SYS_TIME CAP_SYSLOG CAP_WAKE_ALARM CAP_NET_ADMIN'
  86                         ;;
  87                         --drop-capability)
  88                                 comps='CAP_AUDIT_CONTROL CAP_AUDIT_WRITE CAP_CHOWN CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_FOWNER CAP_FSETID
  89                                        CAP_IPC_OWNER CAP_KILL CAP_LEASE CAP_LINUX_IMMUTABLE CAP_MKNOD CAP_NET_ADMIN CAP_NET_BIND_SERVICE
  90                                        CAP_NET_BROADCAST CAP_NET_RAW CAP_SETFCAP CAP_SETGID CAP_SETPCAP CAP_SETUID CAP_SYS_ADMIN CAP_SYS_BOOT
  91                                        CAP_SYS_CHROOT CAP_SYS_NICE CAP_SYS_PTRACE CAP_SYS_RESOURCE CAP_SYS_TTY_CONFIG'
  92                         ;;
  93                         --link-journal)
  94                                 comps='no auto guest try-guest host try-host'
  95                         ;;
  96                         --bind|--bind-ro)
  97                                 compopt -o nospace
  98                                 comps=$(compgen -S/ -A directory -- "$cur" )
  99                         ;;
 100                         --tmpfs)
 101                                 compopt -o nospace
 102                                 comps=$(compgen -S/ -A directory -- "$cur" )
 103                         ;;
 104                         --machine|-M)
 105                                 comps=$( __get_machines )
 106                         ;;
 107                         --slice|-S)
 108                                 comps=$( __get_slices )
 109                         ;;
 110                         --setenv|-E)
 111                                 comps=$( __get_env )
 112                         ;;
 113                         --selinux-context|-Z)
 114                                 comps=''
 115                         ;;
 116                         --selinux-apifs-context|-L)
 117                                 comps=''
 118                         ;;
 119                         --register)
 120                                 comps='yes no'
 121                         ;;
 122                         --network-interface)
 123                                 comps=$(__get_interfaces)
 124                         ;;
 125                         --network-bridge)
 126                                 comps=''
 127                         ;;
 128                         --network-macvlan)
 129                                 comps=''
 130                         ;;
 131                         --personality)
 132                                 comps='x86 x86-64'
 133                         ;;
 134                         --volatile)
 135                                 comps='yes state no'
 136                         ;;
 137                         --image|-i)
 138                                 compopt -o nospace
 139                                 comps=$( compgen -A file -- "$cur" )
 140                         ;;
 141                         --kill-signal)
 142                                 _signals
 143                                 return
 144                         ;;
 145                         --notify-ready)
 146                                 comps='yes no'
 147                         ;;
 148                         --private-users)
 149                                 comps='yes no pick'
 150                         ;;
 151                         --network-namespace-path)
 152                                 comps=$( compgen -A file -- "$cur" )
 153                         ;;
 154                         --settings)
 155                                 comps='yes no override trusted'
 156                         ;;
 157                 esac
 158                 COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
 159                 return 0
 160         fi
 161
 162         COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
 163 }
 164
 165 complete -F _systemd_nspawn systemd-nspawn