summaryrefslogtreecommitdiff
path: root/shell-completion/bash/systemd-nspawn
blob: cc3d2f6598ae7af90e73338362fed15e129cb0bb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
# systemd-nspawn(1) completion                  -*- shell-script -*-
# SPDX-License-Identifier: LGPL-2.1-or-later
#
# This file is part of systemd.
#
# systemd is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 of the License, or
# (at your option) any later version.
#
# systemd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with systemd; If not, see <https://www.gnu.org/licenses/>.

__contains_word() {
    local w word=$1; shift
    for w in "$@"; do
        [[ $w = "$word" ]] && return
    done
}

__get_users() {
    local a b
    loginctl list-users --no-legend --no-pager | { while read a b; do echo " $b"; done; };
}

__get_slices() {
    local a b
    systemctl list-units -t slice --no-legend --no-pager --plain | { while read a b; do echo " $a"; done; };
}

__get_machines() {
    local a b
    { machinectl list --full --max-addresses=0 --no-legend --no-pager 2>/dev/null; echo ".host"; } | \
	{ while read a b; do echo " $a"; done; } | \
        sort -u
}

__get_env() {
    local a
    env | { while read a; do echo " ${a%%=*}"; done; };
}

__get_interfaces(){
    local name
    for name in $(cd /sys/class/net && command ls); do
        [[ "$name" != "lo" ]] && echo "$name"
    done
}

__get_rlimit() {
    local i
    for i in $(systemd-nspawn --rlimit=help 2>/dev/null); do
        echo " ${i}="
    done
}

_systemd_nspawn() {
    local cur=${COMP_WORDS[COMP_CWORD]} prev=${COMP_WORDS[COMP_CWORD-1]} words cword
    local i verb comps

    local -A OPTS=(
        [STANDALONE]='-h --help --version --private-network -b --boot --read-only -q --quiet --share-system
                      --keep-unit -n --network-veth -j -x --ephemeral -a --as-pid2 -U --suppress-sync=yes'
        [ARG]='-D --directory -u --user --uuid --capability --drop-capability --link-journal --bind --bind-ro
                      -M --machine -S --slice -E --setenv -Z --selinux-context -L --selinux-apifs-context
                      --register --network-interface --network-bridge --personality -i --image --tmpfs
                      --volatile --network-macvlan --kill-signal --template --notify-ready --root-hash --chdir
                      --pivot-root --property --private-users --private-users-ownership --network-namespace-path
                      --network-ipvlan --network-veth-extra --network-zone -p --port --system-call-filter --overlay
                      --overlay-ro --settings --rlimit --hostname --no-new-privileges --oom-score-adjust --cpu-affinity
                      --resolv-conf --timezone --root-hash-sig'
    )

    _init_completion || return

    if __contains_word "$prev" ${OPTS[ARG]}; then
        case $prev in
            --directory|-D|--template)
                compopt -o nospace
                comps=$(compgen -S/ -A directory -- "$cur" )
                ;;
            --user|-u)
                comps=$( __get_users )
                ;;
            --uuid|--root-hash)
                comps=''
                ;;
            --capability)
                comps='CAP_BLOCK_SUSPEND CAP_IPC_LOCK CAP_MAC_ADMIN CAP_MAC_OVERRIDE CAP_SYS_MODULE CAP_SYS_PACCT CAP_SYS_RAWIO
                       CAP_SYS_TIME CAP_SYSLOG CAP_WAKE_ALARM CAP_NET_ADMIN'
                ;;
            --drop-capability)
                comps='CAP_AUDIT_CONTROL CAP_AUDIT_WRITE CAP_CHOWN CAP_DAC_OVERRIDE CAP_DAC_READ_SEARCH CAP_FOWNER CAP_FSETID
                       CAP_IPC_OWNER CAP_KILL CAP_LEASE CAP_LINUX_IMMUTABLE CAP_MKNOD CAP_NET_ADMIN CAP_NET_BIND_SERVICE
                       CAP_NET_BROADCAST CAP_NET_RAW CAP_SETFCAP CAP_SETGID CAP_SETPCAP CAP_SETUID CAP_SYS_ADMIN CAP_SYS_BOOT
                       CAP_SYS_CHROOT CAP_SYS_NICE CAP_SYS_PTRACE CAP_SYS_RESOURCE CAP_SYS_TTY_CONFIG'
                ;;
            --link-journal)
                comps='no auto guest try-guest host try-host'
                ;;
            --bind|--bind-ro)
                compopt -o nospace -o filenames
                comps=$(compgen -f -- "$cur" )
                ;;
            --tmpfs)
                compopt -o nospace
                comps=$(compgen -S/ -A directory -- "$cur" )
                ;;
            --machine|-M)
                comps=$( __get_machines )
                ;;
            --slice|-S)
                comps=$( __get_slices )
                ;;
            --setenv|-E)
                comps=$( __get_env )
                ;;
            --selinux-context|-Z)
                comps=''
                ;;
            --selinux-apifs-context|-L)
                comps=''
                ;;
            --register)
                comps='yes no'
                ;;
            --network-interface)
                comps=$(__get_interfaces)
                ;;
            --network-bridge)
                comps=''
                ;;
            --network-macvlan)
                comps=''
                ;;
            --personality)
                comps='x86 x86-64'
                ;;
            --volatile)
                comps=$( systemd-nspawn --volatile=help 2>/dev/null )
                ;;
            --image|-i)
                compopt -o nospace
                comps=$( compgen -A file -- "$cur" )
                ;;
            --kill-signal)
                _signals
                return
                ;;
            --notify-ready)
                comps='yes no'
                ;;
            --private-users)
                comps='yes no pick'
                ;;
            --network-namespace-path)
                comps=$( compgen -A file -- "$cur" )
                ;;
            --settings)
                comps='yes no override trusted'
                ;;
            --rlimit)
                comps=$( __get_rlimit )
                ;;
            --hostname)
                comps=''
                ;;
            --no-new-privileges)
                comps='yes no'
                ;;
            --oom-score-adjust)
                comps=''
                ;;
            --cpu-affinity)
                comps=''
                ;;
            --resolv-conf)
                comps=$( systemd-nspawn --resolv-conf=help 2>/dev/null )
                ;;
            --timezone)
                comps=$( systemd-nspawn --timezone=help 2>/dev/null )
                ;;
            --root-hash-sig)
                compopt -o nospace
                comps=$( compgen -A file -- "$cur" )
                ;;
        esac
        COMPREPLY=( $(compgen -W '$comps' -- "$cur") )
        return 0
    fi

    COMPREPLY=( $(compgen -W '${OPTS[*]}' -- "$cur") )
}

complete -F _systemd_nspawn systemd-nspawn