meta-google: inplace-gbmc-update: Add dhcp hook
This makes it possible for the BMC to fetch an upgraded image during
DHCP time and perform an inplace update to the new version.
Change-Id: I6d32af306180dd52d4235ba4edbb80c3e49756d7
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update/75-inplace-gbmc-upgrade.sh b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/75-inplace-gbmc-upgrade.sh
new file mode 100644
index 0000000..df4662f
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/75-inplace-gbmc-upgrade.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+[ -z "${inplace_gbmc_upgrade-}" ] || exit
+
+# SC doesn't know another file depends on this variable
+# shellcheck disable=SC2034
+GBMC_UPGRADE_IMG=/run/initramfs/bmc-image
+
+gbmc_upgrade_internal() {
+ local version
+ version="$(gbmc_upgrade_fetch)" || return
+
+ echo "IMG Version: $version" >&2
+ local active_version
+ active_version="$(inplace-gbmc-version.sh)" || return
+ echo "Active Version: $active_version" >&2
+ if [[ "$version" == "$active_version" ]]; then
+ echo 'Version already active' >&2
+ return 0
+ fi
+
+ echo 'Verifying image' >&2
+ systemctl start inplace-gbmc-verify || return
+ echo 'Rebooting to perform update' >&2
+ reboot || return
+}
+
+inplace_gbmc_upgrade=1