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c0ed0b7819
Rather than default filename everytime since in aggregated commands the file would be overrided if the filename is same.
48 lines
1.6 KiB
Bash
Executable File
48 lines
1.6 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 /var/run/haproxy.pid /var/run/haproxy.pid.old
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mv $new_config /etc/haproxy/haproxy.cfg
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kill -TTOU $(cat /var/run/haproxy.pid.old)
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sleep 2
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if haproxy -D -p /var/run/haproxy.pid -f /etc/haproxy/haproxy.cfg; then
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logger -t cloud "New haproxy instance successfully loaded, stopping previous one."
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kill -KILL $(cat /var/run/haproxy.pid.old)
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rm -f /var/run/haproxy.pid.old
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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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kill -TTIN $(cat /var/run/haproxy.pid.old)
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rm -f /var/run/haproxy.pid
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mv /var/run/haproxy.pid.old /var/run/haproxy.pid
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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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ret=1
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fi
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exit $ret
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