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28 lines
1.1 KiB
Bash
28 lines
1.1 KiB
Bash
#!/usr/bin/env bash
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# Copyright 2016 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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METADATA_ENDPOINT="http://metadata.google.internal/computeMetadata/v1/instance/attributes/kube-master-internal-ip"
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METADATA_HEADER="Metadata-Flavor: Google"
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ip=$(curl -s --fail ${METADATA_ENDPOINT} -H "${METADATA_HEADER}")
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if [ -n "$ip" ];
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then
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# Check if route is already set if not set it
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if ! sudo ip route show table local | grep -q "$(echo "$ip" | cut -d'/' -f 1)";
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then
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sudo ip route add to local "${ip}/32" dev "$(ip route | grep default | awk '{print $5}')"
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fi
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fi
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