meta-google: flash: Import inplace-gbmc-update
Google BMC inplace update script and bitbake recipe.
Google-Bug-Id: 179618162
Upstream: 22e2c3dd5f610777dee173a09d8e82dc2509a975
Signed-off-by: Brandon Kim <brandonkim@google.com>
Change-Id: Ia1beded107382dacb9f2f7e3cb9bbd86ae99d8c1
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update.bb b/meta-google/recipes-phosphor/flash/inplace-gbmc-update.bb
new file mode 100644
index 0000000..c71a579
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update.bb
@@ -0,0 +1,44 @@
+SUMMARY = "Google BMC Inplace Update Script"
+DESCRIPTION = "Google BMC Inplace Update Script"
+PR = "r1"
+
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
+
+inherit obmc-phosphor-systemd
+
+PROVIDES += "virtual/bmc-update"
+RPROVIDES_${PN} += "virtual/bmc-update"
+
+RDEPENDS_${PN} += "google-key"
+RDEPENDS_${PN} += "bash"
+
+SRC_URI += " \
+ file://config-bmc.json \
+ file://inplace-gbmc-verify.service \
+ file://inplace-gbmc-verify.sh \
+ file://inplace-gbmc-version.service \
+ file://inplace-gbmc-version.sh \
+"
+
+SYSTEMD_SERVICE_${PN} += "inplace-gbmc-verify.service"
+SYSTEMD_SERVICE_${PN} += "inplace-gbmc-version.service"
+
+FILES_${PN} += "${datadir}/phosphor-ipmi-flash"
+
+do_install() {
+ sed -i 's,@ALLOW_DEV@,,' ${WORKDIR}/inplace-gbmc-verify.sh
+
+ install -d ${D}${bindir}
+ install -m 0755 ${WORKDIR}/*.sh ${D}${bindir}
+
+ install -d ${D}${systemd_system_unitdir}
+ install -m 0644 ${WORKDIR}/*.service ${D}${systemd_system_unitdir}
+
+ install -d ${D}${datadir}/phosphor-ipmi-flash
+ install -m 0644 ${WORKDIR}/config-bmc.json ${D}${datadir}/phosphor-ipmi-flash
+}
+
+do_install_prepend_dev() {
+ sed -i 's,@ALLOW_DEV@,--allow-dev,' ${WORKDIR}/inplace-gbmc-verify.sh
+}
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update/config-bmc.json b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/config-bmc.json
new file mode 100644
index 0000000..8bd11f2
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/config-bmc.json
@@ -0,0 +1,33 @@
+[{
+ "blob": "/flash/image",
+ "version": {
+ "handler": {
+ "type": "file",
+ "path": "/run/inplace-gbmc-version"
+ },
+ "actions":{
+ "open": {
+ "type": "systemd",
+ "unit": "inplace-gbmc-version.service"
+ }
+ }
+ },
+ "handler": {
+ "type": "file",
+ "path": "/run/initramfs/bmc-image"
+ },
+ "actions": {
+ "preparation": {
+ "type": "skip"
+ },
+ "verification": {
+ "type": "systemd",
+ "unit": "inplace-gbmc-verify.service"
+ },
+ "update": {
+ "type": "systemd",
+ "unit": "reboot.target",
+ "mode": "replace-irreversibly"
+ }
+ }
+}]
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-verify.service b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-verify.service
new file mode 100644
index 0000000..4552780
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-verify.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Verify the Flash Image File
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/inplace-gbmc-verify.sh
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-verify.sh b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-verify.sh
new file mode 100644
index 0000000..d5307d3
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-verify.sh
@@ -0,0 +1,57 @@
+#!/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.
+
+
+# This script will check the signature for the BMC image against
+# the baked in keyring available. If any aspect of this fails,
+# the scripts returns non-zero and this can be reported to the
+# host.
+#
+# 1. Verify the image
+# 2. Rename the image
+
+KEYRING=/etc/googlekeys/gbmc/gbmc.gpg
+SIGNATURE_FILE=/tmp/bmc.sig
+STATUS_FILE=/tmp/bmc.verify
+
+# Store in /run/initramfs because the behaviour of mv changes
+# depending on whether the file is moving within a tree or not.
+IMAGE_FILE=/run/initramfs/bmc-image
+VERIFIED_FILE=/run/initramfs/image-bmc
+
+# Make sure we run ERR traps when a function returns an error
+set -e
+
+# Write out the result of the script to a status file upon exiting
+# normally or due to an error
+exit_handler() {
+ local status="$?"
+ if (( status == 0 )); then
+ echo "success" >"${STATUS_FILE}"
+ else
+ echo "failed" >"${STATUS_FILE}"
+ fi
+ trap - EXIT ERR
+ exit "$status"
+}
+trap exit_handler EXIT ERR
+
+echo "running" > ${STATUS_FILE}
+
+# Verify the image.
+verify-bmc-image.sh @ALLOW_DEV@ "$IMAGE_FILE" "$SIGNATURE_FILE" || exit
+
+# Rename the staged file for initramfs updates.
+mv ${IMAGE_FILE} ${VERIFIED_FILE}#!/bin/bash
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-version.service b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-version.service
new file mode 100644
index 0000000..3f6b671
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-version.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Version string for inplace BMC
+
+[Service]
+Type=oneshot
+StandardOutput=file:/run/inplace-gbmc-version
+StandardError=journal
+ExecStartPre=/bin/rm -f /run/inplace-gbmc-version
+ExecStart=/usr/bin/inplace-gbmc-version.sh
diff --git a/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-version.sh b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-version.sh
new file mode 100644
index 0000000..0c5c4e7
--- /dev/null
+++ b/meta-google/recipes-phosphor/flash/inplace-gbmc-update/inplace-gbmc-version.sh
@@ -0,0 +1,16 @@
+#!/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.
+
+grep '^VERSION_ID=' /etc/os-release | sed 's,.*-\([^-]*\),\1,g' | tr -d '\n'#!/bin/bash