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switch to getopts finished. More changes:

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- every interactive function has now its own help function
- added help command which calls these help functions
- made 'start' the default mode in jaildk_build()
This commit is contained in:
Thomas von Dein
2020-11-29 18:46:50 +01:00
parent 361058999b
commit 11c1cd4b19
1 changed files with 158 additions and 70 deletions
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228
jaildk
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@@ -1,6 +1,6 @@
#!/bin/sh
version=1.07
version=1.08
usage_jaildk() {
beg=`tput -T ${TERM:-cons25} md`
@@ -19,31 +19,43 @@ fetch - fetch current port collection
${beg}Installing Jails:${end}
install <jail> <mode> [-r function] - install a jail (prepare mounts, devfs etc)
uninstall - uninstall a jail
remove - remove a jail or a jail version
reinstall - stop, remove, install and start a jail
uninstall <jail> [-w] - uninstall a jail
remove <jail> - remove a jail or a jail version
reinstall <jail> - stop, remove, install and start a jail
${beg}Maintaining Jails:${end}
start - start a jail
stop - stop a jail
restart - restart a jail
status - display a jail's status
rc - execute an rc-script inside a jail
start <jail> - start a jail
stop <jail> - stop a jail
restart <jail> - restart a jail
status [<jail>] - display a jail's status
rc <jail> <mode> [-r <rc.d script>] - execute an rc-script inside a jail
${beg}Managing Jails:${end}
login <jail> - login into a jail (also available as separate command)
blogin <jail> - chroot into a build jail (dito)
login <jail> [<user>] - login into a jail
blogin <jail> - chroot into a build jail
${beg}Transferring Jails:${end}
freeze <jail> [-a -b -v <version>] - freeze (build an image of) a jail
thaw <image> - thaw (install) an image of a jail
freeze <jail> [-a -b -v <version>] - freeze (build an image of) a jail
thaw <image> - thaw (install) an image of a jail
Run the <command> without arguments to get usage help about the command.
${beg}Getting help:${end}
help <command> - request help on <command>
EOF
)
echo "$usage"
exit 1
echo "$usage"
exit 1
}
usage_help() {
command=$1
usage="usage_${command}"
if ! type "$usage" > /dev/null 2>&1; then
die "Unknown command $command!"
else
$usage
fi
}
ex() {
@@ -67,6 +79,11 @@ bold() {
echo -n "$BOLD_OFF"
}
fin() {
echo "$*" >&2
exit
}
die() {
bold "$*" >&2
exit 1
@@ -102,7 +119,11 @@ die_if_not_exist() {
}
usage_build() {
die "Usage: $0 build <jail name> <start|stop|status> [-b <base>] [-v <version>]"
fin "Usage: $0 build <jail> [<start|stop|status>] [-b <base>] [-v <version>]
Mount <jail> to $j/build read-writable for maintenance. Options:
-b <base> Use specified <base>. default: use configured base.
-v <version> Mount <version> of <jail>.
<mode> One of start, stop or status. default: start."
}
jaildk_build() {
@@ -116,14 +137,14 @@ jaildk_build() {
while getopts "b:v:" arg; do
case $arg in
b) base=1;;
b) base=${OPTARG};;
v) version=${OPTARG};;
*) usage_build;;
esac
done
if test -z "$mode"; then
usage_build
mode=start
fi
die_if_not_exist $jail $version
@@ -155,6 +176,7 @@ jaildk_rc_mtree() {
base=$3
version=$4
rw=$5
rcscript=mtree
if [ $mode = "start" ]; then
if test -n "$rw"; then
@@ -359,7 +381,7 @@ jaildk_rc_mount() {
}
usage_install() {
die "Usage: $0 install <jail> [<mode>] [-r rc-function]
fin "Usage: $0 install <jail> [<mode>] [-r rc-function]
Install <jail> according to its config. Options:
<mode> Mode can either be start, stop or status. default: start
-r <function> Only execute function with <mode> parameter. default: all.
@@ -379,7 +401,7 @@ jaildk_install() {
base=''
version=''
while getopts "r:wb:v:" arg; do
while getopts "r:b:v:w" arg; do
case $arg in
w) rw=1;;
b) base=${OPTARG};;
@@ -435,14 +457,27 @@ jaildk_install() {
done
}
usage_uninstall() {
fin "Usage: $0 uninstall <jail> [-w]
Uninstall <jail>. Options:
-w Uninstall writable build chroot."
}
jaildk_uninstall() {
# wrapper around _install
jail=$1
rw=$2 # FIXME !!!!!!!!!! getopt !!!!!!!!!!
shift
rw=''
while getopts "w" arg; do
case $arg in
w) rw=1;;
*) usage_uninstall;;
esac
done
if test -z "$jail"; then
err "Usage: $0 uninstall <jail> [<remove build>]"
exit 1
usage_uninstall
fi
die_if_not_exist $jail
@@ -456,7 +491,8 @@ jaildk_uninstall() {
usage_base() {
die "Usage: $0 base -b <basename|basedir> [-w]
fin "Usage: $0 base -b <basename|basedir> [-w]
Build a base directory from bsd install media. Options:
-b <name> <name> can be the name of a base (e.g. 12.2-RELEASE)
or a directory where it shall be created
-w Create a writable base, including compiler and other
@@ -555,7 +591,7 @@ var/tmp"
exit 1
else
ex mkdir -p $basedir
bsdinstall jail $basedir
bsdinstall jail $basedir || exit 1
if test -z "$rw"; then
# run base
@@ -606,7 +642,7 @@ clone() {
}
usage_clone() {
die "Usage: $0 clone -s <jail> -d <jail> [-o <version>] [-n <version>]
fin "Usage: $0 clone -s <jail> -d <jail> [-o <version>] [-n <version>]
-s <jail> Source jail to clone from
-d <jail> Destionation jail to create from source
-o <version> Old version
@@ -721,7 +757,8 @@ jaildk_clone() {
}
usage_create() {
die "Usage: $0 create <jail>"
fin "Usage: $0 create <jail>
Create a new jail from template."
}
jaildk_create() {
@@ -751,12 +788,25 @@ remove() {
fi
}
usage_remove() {
fin "Usage: $0 remove <jail> [-v <version>]
Remove <jail> from disk."
}
jaildk_remove() {
jail=$1
version=$2
shift
version=''
while getopts "v:" arg; do
case $arg in
v) version=${OPTARG};;
*) usage_remove;;
esac
done
if test -z "$jail"; then
die "Usage: $0 remove <jail> [<version>]"
usage_remove
fi
if jls | egrep -q "${jail}"; then
@@ -789,19 +839,37 @@ jaildk_remove() {
}
jaildk_jail_usage() {
die "Usage: $0 <start|stop|restart|status> <jail> | status"
fin "Usage: $0 <start|stop|restart|status> <jail> | status"
}
usage_start() {
fin "Usage $0 start <jail>
Start <jail>."
}
usage_stop() {
fin "Usage $0 stop <jail>
Stop <jail>."
}
usage_restart() {
fin "Usage $0 restart <jail>
Restart <jail>."
}
usage_status() {
fin "Usage $0 status [<jail>]
Show status of <jail>. Without <jail>, show status of all jails."
}
jaildk_jail() {
mode=$1
jail=$2
mode=$1
if test -z "$mode"; then
jaildk_jail_usage
fi
if test -z "$jail" -a $mode = "status"; then
if test -z "$jail"; then
usage_$mode
elif test -z "$jail" -a $mode = "status"; then
bold "Running jails:"
bold " JID IP Address Hostname Path"
jls | grep -v JID
@@ -817,8 +885,6 @@ jaildk_jail() {
jls | grep -v JID | awk '{print $3}' | while read J; do
jaildk_rc $J status
done
elif test -z "$jail"; then
jaildk_jail_usage
else
bold "Jail $jail $mode:"
case $mode in
@@ -846,35 +912,33 @@ get_rc_scripts() {
done
}
jaildk_rc_usage() {
err "Usage: $0 rc <jail> {<rc-script> [<mode>] | <mode>}"
err "If <rc-script> is all, execute <mode> for every rc script"
err "<mode> must be a parameter of <rc-script>"
err "if only <mode> has been given, execute all scripts"
exit 1
usage_rc() {
fin "Usage: $0 rc <jail> [<mode>] [-r <rc.d script]
Execute an rc.d script inside <jail> with parameter <mode>. Options:
-r <rc.d script> Execute <rc.d script>. default: execute all enabled scripts."
}
jaildk_rc() {
jail=$1
rc=$2
mode=$3
mode=$1
shift
shift
rc=''
while getopts "r:" arg; do
case $arg in
r) rcd=${OPTARG};;
*) usage_rc;;
esac
done
if test -z "$rc"; then
jaildk_rc_usage
rc='all'
fi
if test -z "$mode"; then
# shift args
case $rc in
start|stop|restart|status)
# shift args
mode=$rc
rc=all
;;
*)
jaildk_rc_usage
;;
esac
if test -z "$jail" -o -z "$mode"; then
usage_rc
fi
if ! jls | egrep -q "${jail}"; then
@@ -903,6 +967,14 @@ jaildk_rc() {
fi
}
usage_blogin() {
err "Usage: $file <jail>
Chroot into a build jail.
Mounted build chroot's:"
mount|egrep "base.*build" | awk '{print $3}' | cut -d/ -f 4
exit 1
}
jaildk_blogin() {
jail=$1
@@ -914,10 +986,7 @@ jaildk_blogin() {
else
file="$0"
fi
echo "Usage: $file <jail-name|jail-domain|jail-ip> [<user>]"
echo "mounted build jails:"
mount|egrep "base.*build" | awk '{print $3}' | cut -d/ -f 4
exit
usage_blogin
fi
chroot="$j/build/$jail"
@@ -941,6 +1010,16 @@ jaildk_blogin() {
env - HOME=$home TERM=$term SHELL=$shell PATH=$path chroot $chroot $shell
}
usage_login() {
err "Usage: $file <jail-name|jail-domain|jail-ip> [<user>]
Login into a jail by name, ip or domain. If <user> has not been
specified, login as root.
Available jails:"
jls
exit 1
}
jaildk_login() {
jail=$1
user=$2
@@ -954,10 +1033,7 @@ jaildk_login() {
else
file="$0"
fi
echo "Usage: $file <jail-name|jail-domain|jail-ip> [<user>]"
echo "available jails:"
jls
exit
usage_login
fi
jid=""
@@ -995,10 +1071,19 @@ jaildk_login() {
env - JAIL=$jail HOME=$home TERM=$term SHELL=$shell PATH=$path $jexec -U $user $jid $shell
}
usage_reinstall() {
fin "Usage: $0 reinstall <jail>
Stop, uninstall, install and start <jail>.
"
}
jaildk_reinstall() {
jail=$1
if test -z "$jail"; then
usage_reinstall
fi
die_if_not_exist $jail
if jls | egrep -q "${jail}"; then
@@ -1023,7 +1108,7 @@ jaildk_setup() {
j=$1
if test -z "$j"; then
die "Usage: $0 setup <base dir for jail environment>"
fin "Usage: $0 setup <base dir for jail environment>"
fi
bold "preparing directories"
@@ -1295,7 +1380,7 @@ thaw_tarball() {
}
usage_thaw() {
die "Usage: $0 thaw <image>"
fin "Usage: $0 thaw <image>"
}
jaildk_thaw() {
@@ -1396,6 +1481,9 @@ case $runner in
setup|reinstall|install|uninstall|build|blogin|login|clone|create|remove|rc|base|fetch|freeze|thaw)
jaildk_$runner $*
;;
help)
usage_help $*
;;
*)
usage_jaildk $*
;;