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29 lines
747 B
Bash
29 lines
747 B
Bash
#!/bin/sh
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dest="/backup/base-$(date +%F-%H%M)"
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last=$(ls -d /backup/base* | tail -n1)
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mkdir $dest || exit $?
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pg_basebackup --wal-method=none --pgdata=$dest --format=tar --gzip --username=postgres || exit $?
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# Clean old base backups, keep the last and the current.
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for d in /backup/base*; do
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if [ "$d" == "$last" ] || [ "$d" == "$dest" ]; then
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continue
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fi
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rm -r $d || exit $?
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done
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# Clean the wall archive
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cd /backup/wal_archive || exit $?
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if [ $(ls *.*.backup | wc -l) -lt 2 ]; then
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exit 0
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fi
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# Find the single last wal.backup point
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prev_wal_start="$(ls *.*.backup | tail -n2 | head -n1 | cut -d '.' -f 1)"
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for f in $(ls) ; do
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if [ "$f" \< "$prev_wal_start" ]; then
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rm -v /backup/wal_archive/$f
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fi
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done
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