cleanup...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

.pct-helpers

@@ -27,6 +27,28 @@ ECHO_PREFIX="### "
 
 
 
+#----------------------------------------------------------------------
+
+#
+#	check MSG COMMAND ..
+#
+check(){
+	local MSG=$1
+	shift
+	for cmd in "$@" ; do
+		which $cmd > /dev/null 2>&1 \
+			|| eval "echo \"$MSG\"" >&2
+	done
+}
+
+need(){
+	check 'ERROR: "$cmd": needed by this script but not in path.' "$@"
+}
+would-like(){
+	check 'WARNING: "$cmd": is not in path.' "$@"
+}
+
+
 #----------------------------------------------------------------------
 # Fill section...
 #
@@ -172,12 +194,17 @@ getLatestTemplate(){
 #	xread [-n] MSG VAR
 #
 # This saves all user input variables to the $XREAD_VARS array.
+#
+# XXX add support for keywords like SKIP and DISABLE
 xread(){
 	local non_empty=
 	if [[ $1 == '-n' ]] ; then
 		shift
 		local non_empty=1
 	fi
+	if [[ "${!2}" == "SKIP" ]] ; then
+		return
+	fi
 	if [ -z ${!2} ] ; then
 		eval 'read -ep "'$1'" -i "$DFL_'$2'" '${2}''
 		XREAD_VARS+=(${2})
@@ -189,6 +216,40 @@ xread(){
 		&& echo "$2=${!2}"
 }
 
+#
+#	xreadYes MSG VAR
+#
+xreadYes(){
+	if [[ "${!2}" == "SKIP" ]] ; then
+		return
+	fi
+	if [ -z ${!2} ] ; then
+		if [ -z $(eval "echo \$DFL_${2}") ] ; then
+			local yes=y
+			local no=N
+			local dfl=
+		else
+			local yes=Y
+			local no=n
+			local dfl=1
+		fi
+		eval 'read -ep "'$1' ('$yes'/'$no') " '${2}''
+		XREAD_VARS+=(${2})
+		# normalize...
+		eval "${2}=${!2,,}"
+		if [[ "${!2}" == 'y' ]] ; then
+			eval "${2}=1"
+		elif [[ ${!2} == 'n' ]] ; then
+			eval "${2}="
+		# set default if empty...
+		else
+			eval "${2}=\${${2}:-$dfl}"
+		fi
+	fi
+	[ $SCRIPTING ] \
+		&& echo "$2=${!2}"
+}
+
 #
 #	xreadpass VAR
 #
@@ -216,20 +277,20 @@ xreadpass(){
 
 # Wait for /etc/inithooks.conf to be generated then cleared
 #
-# 	tklWaitForSetup
+# 	tklWaitForSetup ID
 #
 # for tkl inithooks doc see:
 # 	https://www.turnkeylinux.org/docs/inithooks
 tklWaitForSetup(){
 	printf "# TKL setup, this may take a while"
 	if [ -z $DRY_RUN ] ; then
-		while ! $(lxc-attach $ID -- test -e /etc/inithooks.conf) ; do
+		while ! $(lxc-attach $1 -- test -e /etc/inithooks.conf) ; do
 			printf '.'
 			sleep ${TIMEOUT:=5}
 		done
 		printf '+'
 		sleep ${TIMEOUT:=5}
-		while ! [[ $(lxc-attach $ID -- cat /etc/inithooks.conf | wc -c) < 2 ]] ; do
+		while ! [[ $(lxc-attach $1 -- cat /etc/inithooks.conf | wc -c) < 2 ]] ; do
 			printf '.'
 			sleep ${TIMEOUT:=5}
 		done
@@ -264,28 +325,49 @@ readConfig(){
 }
 
 #
-#	saveConfig [-d] CONFIG VAR ..
+#	saveConfig [-d|-a] CONFIG VAR ..
 #
 saveConfig(){
 	local prefix=
-	if [ $1 == '-d' ] ; then
+	local append=
+	while true ; do
+		case $1 in
+			-d|--default)
 				prefix=DFL_
 				shift
-	fi
+				;;
+			-a|--append)
+				append=1
+				shift
+				;;
+			*)
+				break
+				;;
+		esac
+	done
 	local cfg=$1
 	shift
 
+	if [ -z $append ] ; then
+		printf '' > "$cfg"
+	fi
 	{
 		for var in $@ ; do
 			echo "${prefix}${var}=${!var}"
 		done
-	} > $cfg
+		echo
+	} >> "$cfg"
 }
 
-
 saveLastRunConfig(){
+	local cfg=config.last-run
 	echo "# Saving config to: config.last-run"
-	saveConfig -d config.last-run ${XREAD_VARS[@]}
+	{
+		echo "#"
+		echo "# This file is auto-generated, any changes here will be overwritten." 
+		echo "#"
+	} > "$cfg"
+	saveConfig -d -a "$cfg" ${XREAD_VARS[@]}
 }
 
 #
@@ -483,6 +565,29 @@ pctCreateUbuntu(){
 	@ lxc-attach $1 -- apt upgrade -y
 }
 
+#
+#	pctCreateTurnkey APP ID ARGS [PASS]
+#
+pctCreateTurnkey(){
+	local app=$1
+	shift
+	local TEMPLATE
+	getLatestTemplate '.*-turnkey-'$app TEMPLATE
+
+	pctCreate $1 "$TEMPLATE" "$2" "$3"
+
+	tklWaitForSetup $1
+
+	sleep ${TIMEOUT:=5}
+}
+#
+#	pctUpdateTurnkey ID
+#
+pctUpdateTurnkey(){
+	@ lxc-attach $1 apt update
+	@ lxc-attach $1 -- apt upgrade -y
+}
+
 
 #
 #	pctSet ID [ARGS [REBOOT]]

Makefile

@@ -18,13 +18,9 @@
 # 	- the rest of the CT's are created in order of importance, strting 
 # 	  from CT's needed for access and ending with services.
 CTs := \
-       gate \
-       ns \
-       ssh \
-       wireguard \
-       syncthing \
-       nextcloud \
-       gitea
+       gate ns \
+       ssh wireguard syncthing \
+       nextcloud gitea
 
 
 

nextcloud/make.sh

@@ -70,11 +70,7 @@ echo "# Building config..."
 buildAssets
 
 echo "# Creating CT..."
-getLatestTemplate '.*-turnkey-nextcloud' TEMPLATE
-pctCreate $ID "$TEMPLATE" "$OPTS_STAGE_1" "$PASS"
-sleep ${TIMEOUT:=5}
-
-tklWaitForSetup
+pctCreateTurnkey 'nextcloud' $ID "$OPTS_STAGE_1" "$PASS"
 
 echo "# Starting TKL UI..."
 # XXX might be a good idea to reaaad stuff from config...
@@ -109,8 +105,7 @@ echo "# Disabling fail2ban..."
 @ lxc-attach $ID systemctl disable fail2ban
 
 echo "# Updating system..."
-@ lxc-attach $ID apt update 
-@ lxc-attach $ID -- apt upgrade -y
+pctUpdateTurnkey $ID
 
 echo "# Post config..."
 pctSet $ID "${OPTS_STAGE_2}" $REBOOT

wireguard/make.sh

@@ -13,11 +13,14 @@ source ../.pct-helpers
 
 #----------------------------------------------------------------------
 
-readConfig
+# check dependencies...
+would-like dig #qrencode
 
 
 #----------------------------------------------------------------------
 
+readConfig
+
 DFL_ID=${DFL_ID:=103}
 DFL_CTHOSTNAME=${DFL_CTHOSTNAME:=wireguard}
 
@@ -36,7 +39,11 @@ LAN_GATE=-
 REBOOT=${REBOOT:=1}
 
 # Wireguard config...
-DFL_ENDPOINT=${DFL_ENDPOINT:=$(dig +short ${DOMAIN:-$DFL_DOMAIN} | tail -1)}
+DFL_ENDPOINT=${DFL_ENDPOINT:=$(\
+	which dig > /dev/null 2>&1 \
+		&& (dig +short ${DOMAIN:-$DFL_DOMAIN} \
+			| tail -1) \
+		|| echo "${DOMAIN:-$DFL_DOMAIN}")}
 xread "Wireguard endpoint: " ENDPOINT
 
 DFL_ENDPOINT_PORT=${DFL_ENDPOINT_PORT:=51820}
@@ -45,6 +52,7 @@ xread "Wireguard endpoint port: " ENDPOINT_PORT
 CLIENT_IPS=${CLIENT_IPS:-10.42.0.0/16}
 ALLOWED_IPS=${ALLOWED_IPS:-0.0.0.0/0,${CLIENT_IPS}}
 
+xreadYes "Show profile as QRcode when done?" QRCODE
 
 readVars
 
@@ -83,7 +91,7 @@ echo "# Creating CT..."
 pctCreateAlpine $ID "${OPTS_STAGE_1}" "$PASS"
 
 echo "# Installing dependencies..."
-@ lxc-attach $ID apk add iptables wireguard-tools-wg-quick make bind-tools
+@ lxc-attach $ID apk add iptables wireguard-tools-wg-quick make bind-tools libqrencode
 
 echo "# Copying assets..."
 @ pct-push-r $ID ./assets /
@@ -99,6 +107,11 @@ echo "# Setup: wireguard default profile..."
 echo "# client config:"
 @ mkdir -p clients
 @ pct pull $ID /etc/wireguard/clients/default.conf clients/default.conf
+# show the profile as a qrcode...
+if [ "$QRCODE" ] ; then
+	echo "# default profile:"
+	@ lxc-attach $ID -- qrencode -t UTF8 -r /etc/wireguard/clients/default.conf
+fi
 
 #echo "# Setup: bridge device..."
 @ lxc-attach $ID wg-quick up wg0