Print subiquity ssh login details on s390x line based consoles.

debian/changelog

@@ -1,3 +1,9 @@
+livecd-rootfs (2.662) UNRELEASED; urgency=medium
+
+  * Print subiquity ssh login details on s390x line based consoles.
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Thu, 16 Apr 2020 23:53:32 +0100
+
 livecd-rootfs (2.661) focal; urgency=medium
 
   * Switch Ubuntu desktop to only hwe-20.04 kernel flavour.

live-build/ubuntu-server/hooks/032-installer-squashfs.binary

@@ -66,7 +66,9 @@ printf "%s\t%s\t%s\t%s\n" \
 chroot $INSTALLER_ROOT dpkg-reconfigure --frontend=noninteractive cloud-init
 
 if [ `dpkg --print-architecture` = s390x ]; then
-	chroot $INSTALLER_ROOT apt-get -y install s390-tools-zkey
+    chroot $INSTALLER_ROOT apt-get -y install s390-tools-zkey
+    # because z/VM x3270 is just ttyS0
+    cp -r $INSTALLER_ROOT/usr/lib/systemd/system/serial-getty@sclp_line0.service.d $INSTALLER_ROOT/usr/lib/systemd/system/serial-getty@ttyS0.service.d
 fi
 chroot $INSTALLER_ROOT apt-get clean
 

live-build/ubuntu-server/includes.binary/overlay/usr/lib/systemd/system/serial-getty@sclp_line0.service.d/subiquity-serial.conf

@@ -1,2 +1,6 @@
+[Unit]
+After=cloud-final.service snapd.seeded.service
 [Service]
+StandardOutput=tty
 ExecStartPre=
+ExecStartPre=/usr/bin/snap run subiquity --ssh