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4b3217fe57
The old way would disconnect all the existing connections through haproxy when reload the config. This new way would ensure that all the existing connections would still alive after reload the config.
41 lines
1.4 KiB
Bash
Executable File
41 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. 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,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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ret=0
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new_config=$1
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# save previous state
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mv /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.old
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mv $new_config /etc/haproxy/haproxy.cfg
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if haproxy -p /var/run/haproxy.pid -f /etc/haproxy/haproxy.cfg -sf $(cat /var/run/haproxy.pid); then
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logger -t cloud "New haproxy instance successfully loaded, stopping previous one."
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ret=0
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else
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logger -t cloud "New instance failed to start, resuming previous one."
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mv /etc/haproxy/haproxy.cfg $new_config
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mv /etc/haproxy/haproxy.cfg.old /etc/haproxy/haproxy.cfg
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haproxy -p /var/run/haproxy.pid -f /etc/haproxy/haproxy.cfg -sf $(cat /var/run/haproxy.pid)
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ret=1
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fi
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exit $ret
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