Cherry-pick #17613 to 7.x: Do not rotate log files on startup when interval is configured and rotateonstartup is disabled #17644
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…tateonstartup is disabled (elastic#17613) ## What does this PR do? This PR modifies the interval rotator which is responsible for rotating log files of Filebeat after the specified interval. From now on `rotateonstartup` option is taken into account when setting up this rotator. If the option is set to `false`, Filebeat tries to set the `lastRotate` time to the log file configured. If it cannot be found, Filebeat will not attempt to set the variable. But it is not a problem, as there is no file to rotate. If the user restarts filebeat right before it is able to rotate the first log file, it won't get rotated when Filebeat restarts. For example, the interval is set to 24h, and the user restarts Filebeat after 23 hours, the log file will not be rotated after one more hour. It will be rotated after the 24 hours of runtime has elapsed, as `lastRotate` is set the modification time of the file. ## Why is it important? Previously, if both `logging.files.interval` was configured and `logging.files.rotateonstartup` was disabled, Filebeat rotated output log files regardless of the `rotateonstartup` options. (cherry picked from commit 78fafb5)
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Cherry-pick of PR #17613 to 7.x branch. Original message:
What does this PR do?
This PR modifies the interval rotator which is responsible for rotating log files of Filebeat after the specified interval. From now on
rotateonstartupoption is taken into account when setting up this rotator. If the option is set tofalse, Filebeat tries to set thelastRotatetime to the log file configured. If it cannot be found, Filebeat will not attempt to set the variable. But it is not a problem, as there is no file to rotate.If the user restarts filebeat right before it is able to rotate the first log file, it won't get rotated when Filebeat restarts. For example, the interval is set to 24h, and the user restarts Filebeat after 23 hours, the log file will not be rotated after one more hour. It will be rotated after the 24 hours of runtime has elapsed, as
lastRotateis set the modification time of the file.Why is it important?
Previously, if both
logging.files.intervalwas configured andlogging.files.rotateonstartupwas disabled, Filebeat rotated output log files regardless of therotateonstartupoptions.Checklist
- [ ] I have made corresponding changes to the documentation- [ ] I have made corresponding change to the default configuration filesCHANGELOG.next.asciidocorCHANGELOG-developer.next.asciidoc.