modifications of firstrun scripts (#3642)

* modifications of firstrun scripts

* Further making use of systemd statements to order firstboot scripts

* allow systemd ordering of ssh to avoid restarting in firstrun script

* suggested changes, add wants=first-boot-complete

* Remove SSH keys in debootstrap process

Co-authored-by: Igor Pecovnik <igor.pecovnik@gmail.com>

lib/debootstrap.sh

@@ -74,6 +74,9 @@ PRE_INSTALL_DISTRIBUTION_SPECIFIC
 	# install from apt.armbian.com
 	[[ $EXTERNAL_NEW == prebuilt ]] && chroot_installpackages "yes"
 
+	# remove existing ssh keys. They will be created in 1st boot process
+	rm -f $SDCARD/etc/ssh/ssh_host*
+
 	# stage: user customization script
 	# NOTE: installing too many packages may fill tmpfs mount
 	customize_image

packages/bsp/common/lib/systemd/system/armbian-firstrun-config.service

@@ -3,13 +3,15 @@
 
 [Unit]
 Description=Armbian first run optional user configuration
-Wants=network-online.target
+Wants=network-online.target first-boot-complete.target
 After=network.target network-online.target
+Before=first-boot-complete.target
 ConditionPathExists=/boot/armbian_first_run.txt
 ConditionPathExists=/root/.not_logged_in_yet
+ConditionFirstBoot=yes
 
 [Service]
-Type=idle
+Type=oneshot
 RemainAfterExit=yes
 ExecStart=/usr/lib/armbian/armbian-firstrun-config
 TimeoutStartSec=2min

packages/bsp/common/lib/systemd/system/armbian-firstrun.service

@@ -4,14 +4,16 @@
 
 [Unit]
 Description=Armbian first run tasks
-Before=getty.target system-getty.slice
+Wants=first-boot-complete.target
+Before=getty.target system-getty.slice first-boot-complete.target ssh.service
+After=armbian-resize-filesystem.service
+ConditionFirstBoot=yes
 
 [Service]
-Type=simple
+Type=oneshot
 RemainAfterExit=yes
 ExecStart=/usr/lib/armbian/armbian-firstrun start
 TimeoutStartSec=2min
 
 [Install]
 WantedBy=multi-user.target
-

packages/bsp/common/lib/systemd/system/armbian-resize-filesystem.service

@@ -4,9 +4,11 @@
 
 [Unit]
 Description=Armbian filesystem resize
-Before=basic.target
+Wants=first-boot-complete.target
+Before=basic.target first-boot-complete.target
 After=sysinit.target local-fs.target
 DefaultDependencies=no
+ConditionFirstBoot=yes
 
 [Service]
 Type=oneshot

packages/bsp/common/usr/lib/armbian/armbian-firstrun

@@ -56,7 +56,7 @@ case "$1" in
 	rm -f /etc/ssh/ssh_host*
 	read entropy_before </proc/sys/kernel/random/entropy_avail
 	dpkg-reconfigure openssh-server >/dev/null 2>&1
-	service sshd restart
+
 	read entropy_after </proc/sys/kernel/random/entropy_avail
 	echo -e "\n### [firstrun] Recreated SSH keys (entropy: ${entropy_before} ${entropy_after})" >>${Log}
 
@@ -129,7 +129,7 @@ case "$1" in
 	[[ $BRANCH == dev && $LINUXFAMILY == rockchip ]] && set_fixed_mac
 	[[ $BRANCH == current && $LINUXFAMILY == odroidc1 ]] && set_fixed_mac
 	[[ $LINUXFAMILY == meson64 ]] && set_fixed_mac
-	systemctl disable armbian-firstrun
+
 	exit 0
 	;;