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DynamoDB: import_table()/describe_import() (#7672)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| from threading import Thread | ||
| from typing import TYPE_CHECKING, Any, Dict, List, Optional | ||
| from uuid import uuid4 | ||
|
|
||
| from moto.core.utils import gzip_decompress | ||
|
|
||
| if TYPE_CHECKING: | ||
| from moto.dynamodb.models import DynamoDBBackend | ||
| from moto.dynamodb.models.table import Table | ||
| from moto.s3.models import FakeBucket, S3Backend | ||
|
|
||
|
|
||
| class TableImport(Thread): | ||
| def __init__( | ||
| self, | ||
| account_id: str, | ||
| s3_source: Dict[str, str], | ||
| region_name: str, | ||
| table_name: str, | ||
| billing_mode: str, | ||
| throughput: Optional[Dict[str, int]], | ||
| key_schema: List[Dict[str, str]], | ||
| global_indexes: Optional[List[Dict[str, Any]]], | ||
| attrs: List[Dict[str, str]], | ||
| compression_type: Optional[str], | ||
| ): | ||
| super().__init__() | ||
| self.arn = f"arn:aws:dynamodb:{region_name}:{account_id}:table/{table_name}/import/{str(uuid4()).replace('-', '')}" | ||
| self.status = "IN_PROGRESS" | ||
| self.account_id = account_id | ||
| self.s3_source = s3_source | ||
| self.region_name = region_name | ||
|
|
||
| self.table_name = table_name | ||
| self.billing_mode = billing_mode | ||
| self.throughput = throughput | ||
| self.key_schema = key_schema | ||
| self.global_indexes = global_indexes | ||
| self.attrs = attrs | ||
| self.compression_type = compression_type | ||
|
|
||
| self.failure_code: Optional[str] = None | ||
| self.failure_message: Optional[str] = None | ||
| self.table: Optional["Table"] = None | ||
| self.table_arn = ( | ||
| f"arn:aws:dynamodb:{self.region_name}:{self.account_id}:table/{table_name}" | ||
| ) | ||
|
|
||
| self.processed_count = 0 | ||
| self.processed_bytes = 0 | ||
| self.error_count = 0 | ||
| self.imported_count = 0 | ||
|
|
||
| def run(self) -> None: | ||
| s3_bucket_name = self.s3_source["S3Bucket"] | ||
|
|
||
| try: | ||
| from moto.s3.models import s3_backends | ||
|
|
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| s3_backend = s3_backends[self.account_id]["global"] | ||
| bucket = s3_backend.buckets[s3_bucket_name] | ||
| except KeyError: | ||
| self.status = "FAILED" | ||
| self.failure_code = "S3NoSuchBucket" | ||
| self.failure_message = "The specified bucket does not exist" | ||
| return | ||
|
|
||
| try: | ||
| self._process_s3_files(s3_backend, bucket) | ||
| except Exception as e: | ||
| self.status = "FAILED" | ||
| self.failure_code = "UNKNOWN" | ||
| self.failure_message = str(e) | ||
|
|
||
| def _process_s3_files(self, s3_backend: "S3Backend", bucket: "FakeBucket") -> None: | ||
| # CREATE TABLE | ||
| from moto.dynamodb.models import dynamodb_backends | ||
|
|
||
| dynamo: DynamoDBBackend = dynamodb_backends[self.account_id][self.region_name] | ||
| self.table = dynamo.create_table( | ||
| name=self.table_name, | ||
| billing_mode=self.billing_mode, | ||
| throughput=self.throughput, | ||
| schema=self.key_schema, | ||
| global_indexes=self.global_indexes, | ||
| indexes=None, | ||
| attr=self.attrs, | ||
| sse_specification=None, | ||
| streams=None, | ||
| tags=[], | ||
| deletion_protection_enabled=False, | ||
| ) | ||
|
|
||
| # Load data from S3 | ||
| keys, _, _, _ = s3_backend.list_objects( | ||
| bucket, | ||
| prefix=self.s3_source.get("S3KeyPrefix"), | ||
| delimiter=None, | ||
| marker=None, | ||
| max_keys=None, | ||
| ) | ||
|
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| from py_partiql_parser._internal.json_parser import JsonParser | ||
|
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| parser = JsonParser() | ||
|
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| for key in keys: | ||
| if self.compression_type == "GZIP": | ||
| content = gzip_decompress(key.value).decode("utf-8") | ||
| else: | ||
| content = key.value.decode("utf-8") | ||
| result = parser.parse(original=content) | ||
| if not isinstance(result, list): | ||
| result = [result] | ||
| for json_object in result: | ||
| try: | ||
| self.processed_count += 1 | ||
| self.processed_bytes += len(json_object) | ||
| self.table.put_item(item_attrs=json_object["Item"]) | ||
| self.imported_count += 1 | ||
| except Exception as e: | ||
| self.failure_message = str(e) | ||
| self.error_count += 1 | ||
|
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| self.status = "COMPLETED" if self.error_count == 0 else "FAILED" | ||
|
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| def response(self) -> Dict[str, Any]: | ||
| return { | ||
| "ImportArn": self.arn, | ||
| "ImportStatus": self.status, | ||
| "TableArn": self.table_arn, | ||
| "FailureCode": self.failure_code, | ||
| "FailureMessage": self.failure_message, | ||
| "ProcessedItemCount": self.processed_count, | ||
| "ProcessedSizeBytes": self.processed_bytes, | ||
| "ErrorCount": self.error_count, | ||
| "ImportedItemCount": self.imported_count, | ||
| } |
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