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