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Merge pull request #14770 from albers/completion-log-opt

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Bash completion for log drivers and their options
This commit is contained in:
Jessie Frazelle 2015-07-21 19:58:12 -07:00
commit 052b23e290
1 changed files with 125 additions and 8 deletions
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133
contrib/completion/bash/docker
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@ -94,13 +94,19 @@ __docker_containers_and_images() {
COMPREPLY+=( "${containers[@]}" )
}
# Finds the position of the first word that is neither option nor an option's argument.
# If there are options that require arguments, you should pass a glob describing those
# options, e.g. "--option1|-o|--option2"
# Use this function to restrict completions to exact positions after the argument list.
__docker_pos_first_nonflag() {
local argument_flags=$1
local counter=$cpos
local counter=$((command_pos + 1))
while [ $counter -le $cword ]; do
if [ -n "$argument_flags" ] && eval "case '${words[$counter]}' in $argument_flags) true ;; *) false ;; esac"; then
(( counter++ ))
# eat "=" in case of --option=arg syntax
[ "${words[$counter]}" = "=" ] && (( counter++ ))
else
case "${words[$counter]}" in
-*)
@ -110,12 +116,38 @@ __docker_pos_first_nonflag() {
;;
esac
fi
# Bash splits words at "=", retaining "=" as a word, examples:
# "--debug=false" => 3 words, "--log-opt syslog-facility=daemon" => 4 words
while [ "${words[$counter + 1]}" = "=" ] ; do
counter=$(( counter + 2))
done
(( counter++ ))
done
echo $counter
}
# Returns the value of the first option matching option_glob.
# Valid values for option_glob are option names like '--log-level' and
# globs like '--log-level|-l'
# Only positions between the command and the current word are considered.
__docker_value_of_option() {
local option_glob=$1
local counter=$((command_pos + 1))
while [ $counter -lt $cword ]; do
case ${words[$counter]} in
$option_glob )
echo ${words[$counter + 1]}
break
;;
esac
(( counter++ ))
done
}
# Transforms a multiline list of strings into a single line string
# with the words separated by "|".
# This is used to prepare arguments to __docker_pos_first_nonflag().
@ -182,6 +214,80 @@ __docker_capabilities() {
" -- "$cur" ) )
}
__docker_log_drivers() {
COMPREPLY=( $( compgen -W "
fluentd
gelf
journald
json-file
none
syslog
" -- "$cur" ) )
}
__docker_log_driver_options() {
# see docs/reference/logging/index.md
case $(__docker_value_of_option --log-driver) in
fluentd)
COMPREPLY=( $( compgen -W "fluentd-address fluentd-tag" -S = -- "$cur" ) )
;;
gelf)
COMPREPLY=( $( compgen -W "gelf-address gelf-tag" -S = -- "$cur" ) )
;;
syslog)
COMPREPLY=( $( compgen -W "syslog-address syslog-facility syslog-tag" -S = -- "$cur" ) )
;;
*)
return
;;
esac
compopt -o nospace
}
__docker_complete_log_driver_options() {
# "=" gets parsed to a word and assigned to either $cur or $prev depending on whether
# it is the last character or not. So we search for "xxx=" in the the last two words.
case "${words[$cword-2]}$prev=" in
*gelf-address=*)
COMPREPLY=( $( compgen -W "udp" -S "://" -- "${cur#=}" ) )
compopt -o nospace
return
;;
*syslog-address=*)
COMPREPLY=( $( compgen -W "tcp udp unix" -S "://" -- "${cur#=}" ) )
compopt -o nospace
return
;;
*syslog-facility=*)
COMPREPLY=( $( compgen -W "
auth
authpriv
cron
daemon
ftp
kern
local0
local1
local2
local3
local4
local5
local6
local7
lpr
mail
news
syslog
user
uucp
" -- "${cur#=}" ) )
return
;;
esac
return 1
}
# a selection of the available signals that is most likely of interest in the
# context of docker containers.
__docker_signals() {
@ -222,13 +328,17 @@ _docker_docker() {
return
;;
--log-driver)
COMPREPLY=( $( compgen -W "json-file syslog none" -- "$cur" ) )
__docker_log_drivers
return
;;
--log-level|-l)
COMPREPLY=( $( compgen -W "debug info warn error fatal" -- "$cur" ) )
return
;;
--log-opt)
__docker_log_driver_options
return
;;
--pidfile|-p|--tlscacert|--tlscert|--tlskey)
_filedir
return
@ -242,6 +352,8 @@ _docker_docker() {
;;
esac
__docker_complete_log_driver_options && return
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "$boolean_options $main_options_with_args" -- "$cur" ) )
@ -382,8 +494,6 @@ _docker_events() {
;;
esac
# "=" gets parsed to a word and assigned to either $cur or $prev depending on whether
# it is the last character or not. So we search for "xxx=" in the the last two words.
case "${words[$cword-2]}$prev=" in
*container=*)
cur="${cur#=}"
@ -836,6 +946,7 @@ _docker_run() {
--label-file
--link
--log-driver
--log-opt
--lxc-conf
--mac-address
--memory -m
@ -941,7 +1052,11 @@ _docker_run() {
return
;;
--log-driver)
COMPREPLY=( $( compgen -W "json-file syslog none" -- "$cur") )
__docker_log_drivers
return
;;
--log-opt)
__docker_log_driver_options
return
;;
--net)
@ -996,6 +1111,8 @@ _docker_run() {
;;
esac
__docker_complete_log_driver_options && return
case "$cur" in
-*)
COMPREPLY=( $( compgen -W "$all_options" -- "$cur" ) )
@ -1218,6 +1335,7 @@ _docker() {
--label
--log-driver
--log-level -l
--log-opt
--mtu
--pidfile -p
--registry-mirror
@ -1235,7 +1353,7 @@ _docker() {
local cur prev words cword
_get_comp_words_by_ref -n : cur prev words cword
local command='docker' cpos=0
local command='docker' command_pos=0
local counter=1
while [ $counter -lt $cword ]; do
case "${words[$counter]}" in
@ -1254,8 +1372,7 @@ _docker() {
;;
*)
command="${words[$counter]}"
cpos=$counter
(( cpos++ ))
command_pos=$counter
break
;;
esac