Initial commit

meta-google/recipes-google/networking/gbmc-bridge/50-gbmc-psu-hardreset.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+# Copyright 2022 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.
+
+[ -n "${gbmc_psu_hardreset-}" ] && return
+
+gbmc_psu_hardreset_needed=
+
+gbmc_psu_hardreset_hook() {
+  # We don't always need a powercycle, allow skipping
+  if [ -z "${gbmc_psu_hardreset_needed-}" ]; then
+    echo "Skipping tray powercycle" >&2
+    return 0
+  fi
+
+  echo "Powercycling" >&2
+  systemctl start gbmc-psu-hardreset.target || return
+
+  # Ensure that we don't continue the DHCP process while waiting for the
+  # powercycle.
+  exit 0
+}
+
+GBMC_BR_DHCP_HOOKS+=(gbmc_psu_hardreset_hook)
+
+gbmc_psu_hardreset=1