56 lines
1.5 KiB
Bash
Executable File
56 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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set -e
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# Configuration
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BACKUP_DIR="/backups"
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TIMESTAMP=$(date +%Y%m%d_%H%M%S)
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BACKUP_FILE="${BACKUP_DIR}/postgres_${POSTGRES_DB}_${TIMESTAMP}.sql.gz"
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RETENTION_DAYS=${BACKUP_RETENTION_DAYS:-7}
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echo "======================================"
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echo "PostgreSQL Backup - $(date)"
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echo "======================================"
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# Wait for PostgreSQL to be ready
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until PGPASSWORD="${POSTGRES_PASSWORD}" pg_isready -h "${POSTGRES_HOST}" -U "${POSTGRES_USER}" -d "${POSTGRES_DB}"; do
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echo "⏳ Waiting for PostgreSQL..."
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sleep 5
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done
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echo "✅ PostgreSQL is ready"
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# Create backup
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echo "📦 Creating backup: ${BACKUP_FILE}"
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PGPASSWORD="${POSTGRES_PASSWORD}" pg_dump \
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-h "${POSTGRES_HOST}" \
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-U "${POSTGRES_USER}" \
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-d "${POSTGRES_DB}" \
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--clean \
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--if-exists \
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--create \
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--no-owner \
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--no-privileges \
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| gzip > "${BACKUP_FILE}"
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# Verify backup was created
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if [ -f "${BACKUP_FILE}" ]; then
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BACKUP_SIZE=$(du -h "${BACKUP_FILE}" | cut -f1)
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echo "✅ Backup created successfully: ${BACKUP_SIZE}"
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else
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echo "❌ Backup failed!"
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exit 1
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fi
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# Cleanup old backups
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echo "🗑️ Cleaning up backups older than ${RETENTION_DAYS} days..."
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find "${BACKUP_DIR}" -name "postgres_*.sql.gz" -type f -mtime +${RETENTION_DAYS} -delete
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# List current backups
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echo ""
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echo "📊 Current backups:"
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ls -lh "${BACKUP_DIR}"/postgres_*.sql.gz 2>/dev/null || echo "No backups found"
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echo ""
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echo "✅ Backup completed successfully"
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echo "======================================"
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