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Merge pull request #976 from Random-Liu/remove-health-monitor

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Remove the unused `health-monitor.sh`.
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Lantao Liu 2018-11-13 12:03:56 -08:00 committed by GitHub
commit 5b21e63aed
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cluster/health-monitor.sh
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#!/bin/bash
# Copyright 2017 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.
set -o nounset
set -o pipefail
# TODO(#780): This file is not used by kube-up.sh on
# GCE anymore. We'll get rid of this file in 1.12 release.
# Please stop relying on this script if you are.
# CRICTL is the path of crictl
CRICTL=${CRICTL:-"crictl"}
# INITIAL_WAIT_ATTEMPTS is the number to attempt, before start
# performing health check. The problem is that containerd is
# started around the same time with health monitor, it may
# not be ready yet when health-monitor is started.
INITIAL_WAIT_ATTEMPTS=${INITIAL_WAIT_ATTEMPTS:-5}
# COMMAND_TIMEOUT is the timeout for the health check command.
COMMAND_TIMEOUT=${COMMAND_TIMEOUT:-60}
# CHECK_PERIOD is the health check period.
CHECK_PERIOD=${CHECK_PERIOD:-10}
# SLEEP_SECONDS is the time to sleep after killing containerd.
SLEEP_SECONDS=${SLEEP_SECONDS:-120}
attempt=1
until timeout ${COMMAND_TIMEOUT} ${CRICTL} pods > /dev/null || (( attempt == INITIAL_WAIT_ATTEMPTS ))
do
echo "$attempt initial attempt \"$CRICTL pods\"! Trying again in $attempt seconds..."
sleep $(( attempt++ ))
done
echo "Start performing health check."
while true; do
if ! timeout ${COMMAND_TIMEOUT} ${CRICTL} pods > /dev/null; then
echo "\"$CRICTL pods\" failed!"
pkill -x containerd
# Wait for a while, as we don't want to kill it again before it is really up.
sleep ${SLEEP_SECONDS}
else
sleep ${CHECK_PERIOD}
fi
done