Created
May 9, 2011 16:31
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Shuts down idle jenkins instances
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| # | |
| # This script shuts down my AWS EC2 hosted Jenkins if | |
| # there were no builds in the last hour. | |
| # | |
| # Set this script to run as build step in jenkins every minute like this | |
| # | |
| # [x] Build periodically | |
| # | |
| # Schedule * * * * * | |
| # | |
| # There will be only one build job at a time that is constantly restarted if | |
| # there is activity, and shuts down if there is none. | |
| # | |
| # To allow the user running the jenkins server to shut down the instance, | |
| # fire up `visudo` and add this line: | |
| # | |
| # jenkins ALL=NOPASSWD: /sbin/shutdown | |
| # | |
| RUN_FREQUENCY=3600 # in seconds | |
| sleep $(($RUN_FREQUENCY - 100)) | |
| LAST_BUILD=`curl --silent http://localhost:8080/rssAll|tr '>' '\n'|grep /updated|head -n 1|tr 'TZ</updated' ' '` | |
| test $((`date -u +%s` - `date -u -d"$LAST_BUILD" +%s`)) -lt $(($RUN_FREQUENCY - 100)) || sudo shutdown -h +1 | |
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