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panic
executable file
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panic
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#! /bin/bash
#
# Copyright 2019 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.
#
# Trigger a kernel panic on an instance.
if [[ -z "${1}" ]]; then
echo "Usage: $0 <instance name>"
exit 0
fi
echo "Triggering kernel panic on ${1}"
gcloud compute ssh --zone "${ZONE:-us-central1-a}" "${1}" -- \
sudo systemctl start kpanic --no-block
date="$(date)"
seconds=1
while sleep 1; do
echo "Panic happened at ${date}: $((seconds++)) seconds ago."
done