sdm/sdm-spawn at master · gitbls/sdm · GitHub

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#!/bin/bash
# This script runs in the nspawn image
#

function loadparams() {
    local arg="$1"
    source $SDMPT/etc/sdm/sdm-readparams $arg
}

function upgkeepconf() {
    #
    # Write /etc/apt/apt.conf.d/02sdm-myconf
    # Forcing apt to not query about conf file changes
    # $1 = "--yes" or ""
    # $2 = $showapt or 0 to not display output
    # $3 = 0 [upgrade] or 1 [dist-upgrade]
    #
cat > /etc/apt/apt.conf.d/02sdm-myconf <<EOF
    Dpkg::Options {
   "--force-confdef";
   "--force-confold";
}
EOF
[ "$3" == "0" ] && upg="upgrade" || upg="dist-upgrade"
doaptrpterror "$1 $upg" "$2"
rm -f /etc/apt/apt.conf.d/02sdm-myconf
}

function p1exit() {
    #
    # Clean up when the container commands exit
    #
    unadjust_initramfs_all
    exit
}

function doctrlcp1() {
    echo "% Caught CTRL/C. Exiting Phase 1..."
    unadjust_initramfs_all  #Be clean
    exit 1     #Can't use poweroff since no job control in either nspawn or chroot
}

function logfreeandexit() {
    local sts=$?
    logfreespace "at end of 'apt $cmdoptions'"
    exit $sts
}

#
# Read configuration information from sdm
#
loadparams

#
# Handle commands which are run in the context of the container
#
cmd="$(stripquotes "$1")"
cmdoptions="$(stripquotes "$2")"
#logtoboth "DD-1 cmd:|$cmd| cmdoptions:|$cmdoptions| 2:|$2| 3:|$3|"
trap "doctrlcp1" SIGINT
trap p1exit EXIT
case "$cmd" in
    apt)
	logtoboth "* Start apt maintenance"
	logfreespace "at start of 'apt $cmdoptions'"
	adjust_initramfs_all
	[[ "$cmdoptions" =~ "update" ]] &&  { logtoboth "> Perform 'apt update'" && doaptrpterror "update" 0 || logfreeandexit ; }
	[[ "$cmdoptions" =~ "upgrade" ]] && { logtoboth "> Perform 'apt upgrade'" && upgkeepconf --yes 0 $aptdistupgrade || logfreeandexit ; }
	[[ "$cmdoptions" =~ "autoremove" ]] && { logtoboth "> Perform 'apt autoremove'" && doaptrpterror "autoremove" 0 || logfreeandexit ; }
	logfreespace "at end of 'apt $cmdoptions'"
	logtoboth "* apt maintenance Completed"
	exit 0
	;;
    b1script)   # Burn time run script
	fn="/etc/sdm/assets/$(basename $cmdoptions)"
	if [ -f $fn ]
	then
	    logtoboth "> Run script '$cmdoptions' [$fn] in nspawn"
	    /etc/sdm/assets/$(basename $cmdoptions)
	else
	    logtobothex "? Internal error: Script '$fn' not found"
	fi
	exit
	;;
    burn-enable-lightdm-delay)  # Delay lightdm enable until sdm-firstboot
	pfx=burning
	delaylightdmenable
	exit
	;;
    run-all-plugins)  # Run Plugin phase 1 or post-install
	phase=$cmdoptions
	runplugins "$plugins" $phase || exit
	exit
        ;;
    run-plugin-list) # Run list of plugins phase 1 or post-install
	phase=$cmdoptions
	theseplugins="$(stripquotes "$3")"
	runplugins "$theseplugins" $phase || exit
	exit
	;;
    run-one-plugin)  # Run Plugin phase 1 or post-install
	# $cmdoptions: plugin name and args $3: Phase
	p="$cmdoptions"
	phase="$(stripquotes "$3")"
	runonepluginx "$p" $phase || exit
	exit
        ;;
    run-command)  # Run a single command in phase 1 or post-install
	adjust_initramfs_all
	runcmd="$(stripquotes "$cmdoptions") $3 $4 $5 $6 $7 $8"
	bash -c "$runcmd" || exit
	unadjust_initramfs_all
	exit
        ;;
    run-command-quietly)  # Run a single command in phase 1 or post-install
	adjust_initramfs_all
	runcmd="$cmdoptions $3 $4 $5 $6 $7 $8"
	$runcmd > /dev/null 2>&1 || exit
	unadjust_initramfs_all
	exit
        ;;
    run-update-initramfs)  # Run initramfs update in phase1 or post-install
	adjust_initramfs_all
	runcmd="update-initramfs -u $3 $4 $5 $6 $7 $8"
	$runcmd || exit
	unadjust_initramfs_all
	exit
        ;;
    *) # None of the above
	logtobothex "? Invalid sdm-spawn function '$cmd'"
	exit
	;;
esac