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46 lines
1.6 KiB
Bash
Executable File
46 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (C) 2011 Citrix Systems, Inc. All rights reserved
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#
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# This software is licensed under the GNU General Public License v3 or later.
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#
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# It is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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ret=0
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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 /etc/haproxy/haproxy.cfg.new /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 /etc/haproxy/haproxy.cfg.new
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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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