35 lines
928 B
Bash
Executable file
35 lines
928 B
Bash
Executable file
#!/bin/bash
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# Configuration
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# Le fichier sera nommé BASE_DIR/PREFIXEbasenameSUFFIXE
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BASE_DIR="/var/backups/postgresql"
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PREFIXE="sauv_pgsql"
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SUFFIXE=_$( date +%Y%m%d-%H%M ).sql.gz
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DUREE_DE_VIE=5
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# Exit at first error
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# note : check that you receive crontab's mails in case something goes wrong.
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set -e
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if [ -n "$BASH" ]; then
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# Bash required for this. If not available, return code will be 0
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# even if pg_dumpall fails (but usually it write something on stderr
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# so cron will send a mail nevertheless).
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set -o pipefail
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fi
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# Initial checks
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if [ ! -d "$BASE_DIR" ]; then
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echo "ERREUR : répertoire de sauvegarde inexistant : $BASE_DIR ." >&2
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exit 1
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fi
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# Backup of the whole default cluster
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su -l -c pg_dumpall postgres | gzip -c > "$BASE_DIR/$PREFIXE$SUFFIXE"
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# Deletion of old backups
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if [ "$1" = "--delete-olds" ]; then
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find $BASE_DIR -name "$PREFIXE*" -mtime +$DUREE_DE_VIE -print0 | xargs -n 200 -r -0 rm -f
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fi
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