38 lines
1.2 KiB
Bash
38 lines
1.2 KiB
Bash
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#!/bin/bash
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# Configuration
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HOST="localhost"
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PORT="5432"
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USER="your_postgres_user"
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BACKUP_PATH="/path/to/backup/directory"
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DUMP_FORMAT="custom" # Set to "custom" for .dump or "sql" for plaintext SQL
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EXTENSION="dump" # Default extension
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# Adjust file extension based on dump format
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if [[ "$DUMP_FORMAT" == "sql" ]]; then
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EXTENSION="sql.gz"
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fi
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# Create backup directory if it doesn't exist
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mkdir -p "$BACKUP_PATH"
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# Get a list of all databases, excluding template databases
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DATABASES=$(psql -h "$HOST" -p "$PORT" -U "$USER" -d postgres -t -c "SELECT datname FROM pg_database WHERE datistemplate = false;")
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# Loop over each database and create a backup
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for DB in $DATABASES; do
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BACKUP_FILE="$BACKUP_PATH/$DB.$EXTENSION"
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if [[ "$DUMP_FORMAT" == "custom" ]]; then
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# Create a compressed custom-format backup
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pg_dump -h "$HOST" -p "$PORT" -U "$USER" -Fc "$DB" -f "$BACKUP_FILE"
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elif [[ "$DUMP_FORMAT" == "sql" ]]; then
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# Create a plain-text SQL backup and compress it with gzip
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pg_dump -h "$HOST" -p "$PORT" -U "$USER" "$DB" | gzip > "$BACKUP_FILE"
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else
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echo "Invalid DUMP_FORMAT specified: $DUMP_FORMAT"
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exit 1
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fi
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echo "Backup for database '$DB' created at '$BACKUP_FILE'"
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done
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