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- #!/usr/bin/env bash
- # Copyright 2016 The Kubernetes Authors.
- #
- # 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.
- # A script that let's gci preemptible nodes gracefully terminate in the event of a VM shutdown.
- preemptible=$(curl "http://metadata.google.internal/computeMetadata/v1/instance/scheduling/preemptible" -H "Metadata-Flavor: Google")
- if [ "${preemptible}" == "TRUE" ]; then
- echo "Shutting down! Sleeping for a minute to let the node gracefully terminate"
- # https://cloud.google.com/compute/docs/instances/stopping-or-deleting-an-instance#delete_timeout
- sleep 30
- fi
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