45 lines
1.2 KiB
Text
45 lines
1.2 KiB
Text
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#!/bin/bash
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# Copyright 2015 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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# This script is intended to be run periodically, to check the health
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# of docker. If it detects a failure, it will restart docker using systemctl.
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if timeout 10 docker version > /dev/null; then
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exit 0
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fi
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echo "docker failed"
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echo "Giving docker 30 seconds grace before restarting"
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sleep 30
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if timeout 10 docker version > /dev/null; then
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echo "docker recovered"
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exit 0
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fi
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echo "docker still down; triggering docker restart"
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systemctl restart docker
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echo "Waiting 60 seconds to give docker time to start"
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sleep 60
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if timeout 10 docker version > /dev/null; then
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echo "docker recovered"
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exit 0
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fi
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echo "docker still failing"
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