dragonfly

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# installed by debhelper by convention into /etc/logrotate.d/
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/var/log/dragonfly/dragonfly*.log {
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        daily
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        missingok
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        compress
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        compresscmd zstd
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        uncompresscmd unzstd
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        compressext .zst
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        notifempty
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# do not create an empty file after the rotation.
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        nocreate
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        prerotate
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                if lsof -t $1 > /dev/null; then
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                # file is open. Skipping rotation."
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                exit 1
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                fi
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        endscript
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# Possible hook to upload rotated logs to cloud storage.
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        postrotate
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                echo "TBD: POSTROTATE"
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        endscript
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}
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