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Blancco init: optional blancco.base= so a staged release can be test-booted

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Default is unchanged. Takes effect only after kexec-initrd-70.img is rebuilt.
This commit is contained in:
cproudlock
2026-10-13 16:58:55 -04:00
parent dd9ee33cd5
commit bfd5c5b75e
1 changed files with 22 additions and 5 deletions
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27
playbook/blancco-init.sh
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@@ -133,6 +133,23 @@ sleep 2
SERVER=172.16.9.1
# Where the release files (rootfs, preferences, licence container,
# config.img) come from. Default /blancco, the active release. The webapp's
# test menu entry adds blancco.base=/blancco/staged/<version> to boot a
# staged release before it is activated. The kmod tarball, progress
# reporter and debug key are not part of a release and stay in /blancco.
BASE=/blancco
for arg in $(cat /proc/cmdline); do
case "$arg" in
blancco.base=/blancco/*) BASE="${arg#blancco.base=}" ;;
esac
done
case "$BASE" in
*..*|*[!A-Za-z0-9._/-]*) BASE=/blancco ;;
esac
BASE="${BASE%/}"
[ "$BASE" = /blancco ] || echo " release under test: $BASE"
# Coarse progress for the webapp's /imaging dashboard (same endpoint the
# WinPE imaging clients use). Stage 1 also resets a finished tile for this
# serial. Best effort: a webapp outage must never stop a wipe.
@@ -151,7 +168,7 @@ dbg ip addr
echo " [3/5] Downloading Blancco (~850 MB)"
post_status 1 "Downloading Blancco"
wget -T 30 -O /tmp/airootfs.sfs http://$SERVER/blancco/arch/x86_64/airootfs.sfs 2>&1
wget -T 30 -O /tmp/airootfs.sfs http://$SERVER$BASE/arch/x86_64/airootfs.sfs 2>&1
[ -s /tmp/airootfs.sfs ] || { echo "ERROR: download failed"; exec /bin/sh; }
echo " [4/5] Preparing system"
@@ -179,8 +196,8 @@ mkdir -p /run/newroot/albus
# /albus/preferences.save (factory defaults, empty network_share) so
# erasure reports never reach SMB. Fail loud here instead.
PREFS=/run/newroot/albus/preferences.xml
if ! wget -q -T 30 -O "$PREFS" "http://$SERVER/blancco/preferences.xml"; then
echo "ERROR: preferences.xml download failed from http://$SERVER/blancco/preferences.xml"
if ! wget -q -T 30 -O "$PREFS" "http://$SERVER$BASE/preferences.xml"; then
echo "ERROR: preferences.xml download failed from http://$SERVER$BASE/preferences.xml"
echo "Reports would fall back to factory defaults (no SMB target)."
echo "Dropping to shell - check Apache + network."
exec /bin/sh
@@ -200,7 +217,7 @@ fi
# fires, we want the fallback to still have the right SMB target.
cp -f "$PREFS" /run/newroot/albus/preferences.save
if ! wget -q -T 30 -O /run/newroot/albus/config.xml "http://$SERVER/blancco/config-clean.xml"; then
if ! wget -q -T 30 -O /run/newroot/albus/config.xml "http://$SERVER$BASE/config-clean.xml"; then
echo "ERROR: config.xml (license container) download failed."
exec /bin/sh
fi
@@ -213,7 +230,7 @@ fi
# tmpfs at the new root's /run; systemd leaves an existing /run mounted.
mount -t tmpfs -o mode=0755,nosuid,nodev tmpfs /run/newroot/run
mkdir -p /run/newroot/run/initramfs
if wget -q -T 30 -O /tmp/config.img "http://$SERVER/blancco/config.img" &&
if wget -q -T 30 -O /tmp/config.img "http://$SERVER$BASE/config.img" &&
(cd /run/newroot/run/initramfs && cpio -id < /tmp/config.img 2>/dev/null) &&
[ -s /run/newroot/run/initramfs/report.key ]; then
dbg ls -la /run/newroot/run/initramfs