[neon/neon/livecd-rootfs/Neon/release] live-build: feat: Add metadata on ubuntu-oci image

[Samir Akarioh]

Git commit 06dff46b6bd1395c30ef6c8023f300c0566dfc02 by Samir Akarioh.
Committed on 22/11/2022 at 11:20.
Pushed by jriddell into branch 'Neon/release'.

feat: Add metadata on ubuntu-oci image

Add a file build.info on etc/cloud
with the serial information

Signed-off-by: Samir Akarioh <samir.akarioh at canonical.com>
(cherry picked from commit 105acdebc783291f740294b5c317f3e6d2da9de4)

M  +6    -1    live-build/auto/build
M  +15   -0    live-build/functions

https://invent.kde.org/neon/neon/livecd-rootfs/commit/06dff46b6bd1395c30ef6c8023f300c0566dfc02

diff --git a/live-build/auto/build b/live-build/auto/build
index 1b6ee503..0af3bde5 100755
--- a/live-build/auto/build
+++ b/live-build/auto/build
@@ -462,7 +462,12 @@ EOF
 		fi
 
 		if [ "$PROJECT" = "ubuntu-oci" ]; then
-		    configure_oci chroot
+			if [ -n "$BUILDSTAMP" ]; then
+				configure_oci chroot "$BUILDSTAMP"
+			else
+				echo "The \$BUILDSTAMP variable is empty"
+				exit 1
+			fi
 		fi
 
 		configure_network_manager
diff --git a/live-build/functions b/live-build/functions
index 79cca5ef..f80f1a39 100644
--- a/live-build/functions
+++ b/live-build/functions
@@ -922,6 +922,12 @@ configure_oci() {
     # at https://github.com/tianon/docker-brew-ubuntu-core/blob/master/update.sh
 
     local chroot=$1
+    local serial=$2
+
+    if [ ! -d "${chroot}" ]; then
+        echo "The chroot does not exist"
+        exit 1
+    fi
 
     echo "==== Configuring OCI ===="
 
@@ -930,6 +936,15 @@ configure_oci() {
     echo 'exit 101' >> ${chroot}/usr/sbin/policy-rc.d
     Chroot ${chroot} "chmod +x /usr/sbin/policy-rc.d"
 
+
+    # Inject a build stamp into the image 
+    
+    mkdir -p ${chroot}/etc/cloud
+    cat > ${chroot}/etc/cloud/build.info << EOF
+serial: $serial
+EOF
+
+
     # https://github.com/docker/docker/blob/9a9fc01af8fb5d98b8eec0740716226fadb3735c/contrib/mkimage/debootstrap#L54-L56
     Chroot ${chroot} "dpkg-divert --local --rename --add /sbin/initctl"
     cp -a ${chroot}/usr/sbin/policy-rc.d ${chroot}/sbin/initctl