feat(connectors): BI-5975 Connection export

lib/dl_api_connector/dl_api_connector/api_schema/connection_base_fields.py

@@ -47,7 +47,7 @@ def secret_string_field(
     required: bool = True,
     allow_none: bool = False,
     default: Optional[str] = None,
-    bi_extra: FieldExtra = FieldExtra(editable=True),  # noqa: B008
+    bi_extra: FieldExtra = FieldExtra(editable=True, export_fake=True),  # noqa: B008
 ) -> ma_fields.String:
     return ma_fields.String(
         attribute=attribute,

lib/dl_api_connector/dl_api_connector/api_schema/connection_sql.py

@@ -75,7 +75,7 @@ class ClassicSQLConnectionSchema(ConnectionSchema):
     host = DBHostField(attribute="data.host", required=True, bi_extra=FieldExtra(editable=True))
     port = ma_fields.Integer(attribute="data.port", required=True, bi_extra=FieldExtra(editable=True))
     username = ma_fields.String(attribute="data.username", required=True, bi_extra=FieldExtra(editable=True))
-    password = secret_string_field(attribute="data.password", bi_extra=FieldExtra(editable=True))
+    password = secret_string_field(attribute="data.password")
     db_name = ma_fields.String(
         attribute="data.db_name", allow_none=True, bi_extra=FieldExtra(editable=True), validate=db_name_no_query_params
     )

lib/dl_api_connector/dl_api_connector/api_schema/extras.py

@@ -25,6 +25,10 @@ class EditMode(OperationsMode):
     test = enum.auto()
 
 
+class ExportMode(OperationsMode):
+    export = enum.auto()
+
+
 class SchemaKWArgs(TypedDict):
     only: Optional[Sequence[str]]
     partial: Union[Sequence[str], bool]
@@ -38,3 +42,4 @@ class FieldExtra:
     partial_in: Sequence[OperationsMode] = ()
     exclude_in: Sequence[OperationsMode] = ()
     editable: Union[bool, Sequence[OperationsMode]] = ()
+    export_fake: Optional[bool] = False

lib/dl_api_connector/dl_api_connector/api_schema/top_level.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import copy
+from copy import deepcopy
 import itertools
 import logging
 import os
@@ -19,6 +20,7 @@
 import marshmallow
 from marshmallow import (
     missing,
+    post_dump,
     post_load,
     pre_load,
 )
@@ -28,6 +30,7 @@
 from dl_api_connector.api_schema.extras import (
     CreateMode,
     EditMode,
+    ExportMode,
     FieldExtra,
     OperationsMode,
     SchemaKWArgs,
@@ -98,6 +101,13 @@ def all_fields_with_extra_info(cls) -> Iterable[tuple[str, ma_fields.Field, Fiel
             if extra is not None:
                 yield field_name, field, extra
 
+    @classmethod
+    def fieldnames_with_extra_export_fake_info(cls) -> Iterable[str]:
+        for field_name, field in cls.all_fields_dict().items():
+            extra = cls.get_field_extra(field)
+            if extra is not None and extra.export_fake is True:
+                yield field_name
+
     def _refine_init_kwargs(self, kw_args: SchemaKWArgs, operations_mode: Optional[OperationsMode]) -> SchemaKWArgs:
         if operations_mode is None:
             return kw_args
@@ -232,6 +242,14 @@ def pre_load(self, data: dict[str, Any], **_: Any) -> dict[str, Any]:
         )
         return self.handle_unknown_fields(data)
 
+    @post_dump(pass_many=False)
+    def post_dump(self, data: dict[str, Any], **_: Any) -> dict[str, Any]:
+        if isinstance(self.operations_mode, ExportMode):
+            data = deepcopy(data)
+            for secret_field in self.fieldnames_with_extra_export_fake_info():
+                data[secret_field] = "******"
+        return data
+
 
 _US_ENTRY_TV = TypeVar("_US_ENTRY_TV", bound=USEntry)
 

lib/dl_api_lib/dl_api_lib/app/control_api/app.py

@@ -6,6 +6,7 @@
     Generic,
     Optional,
     TypeVar,
+    final,
 )
 
 import attr
@@ -49,6 +50,12 @@
     from dl_core.connection_models import ConnectOptions
     from dl_core.us_connection_base import ConnectionBase
 
+from dl_api_lib.app.control_api.resources.connections import (
+    BIResource,
+    ConnectionExportItem,
+)
+from dl_api_lib.app.control_api.resources.connections import ns as connections_namespace
+
 
 @attr.s(frozen=True)
 class EnvSetupResult:
@@ -62,6 +69,14 @@ class EnvSetupResult:
 class ControlApiAppFactory(SRFactoryBuilder, Generic[TControlApiAppSettings], abc.ABC):
     _settings: TControlApiAppSettings = attr.ib()
 
+    def get_connection_export_resource(self) -> type[BIResource]:
+        return ConnectionExportItem
+
+    @final
+    def register_additional_handlers(self) -> None:
+        connection_export_resource = self.get_connection_export_resource()
+        connections_namespace.add_resource(connection_export_resource, "/export/<connection_id>")
+
     @abc.abstractmethod
     def set_up_environment(
         self,
@@ -159,6 +174,7 @@ def create_app(
         ma = Marshmallow()
         ma.init_app(app)
 
+        app.before_first_request(self.register_additional_handlers)
         init_apis(app)
 
         return app

lib/dl_api_lib/dl_api_lib/app/control_api/resources/connections.py

@@ -15,6 +15,7 @@
 from dl_api_connector.api_schema.extras import (
     CreateMode,
     EditMode,
+    ExportMode,
 )
 from dl_api_lib import exc
 from dl_api_lib.api_decorators import schematic_request
@@ -205,6 +206,27 @@ def put(self, connection_id):  # type: ignore  # TODO: fix
             us_manager.save(conn)
 
 
+class ConnectionExportItem(BIResource):
+    @put_to_request_context(endpoint_code="ConnectionGet")
+    @schematic_request(
+        ns=ns,
+        responses={
+            # 200: ('Success', GetConnectionResponseSchema()),
+        },
+    )
+    def get(self, connection_id: str) -> dict:
+        conn = self.get_us_manager().get_by_id(connection_id, expected_type=ConnectionBase)
+        need_permission_on_entry(conn, USPermissionKind.read)
+        assert isinstance(conn, ConnectionBase)
+
+        if not conn.allow_export:
+            raise exc.UnsupportedForEntityType(f"Connector {conn.conn_type.name} does not support export")
+
+        result = GenericConnectionSchema(context=self.get_schema_ctx(ExportMode.export)).dump(conn)
+        result.update(options=ConnectionOptionsSchema().dump(conn.get_options()))
+        return result
+
+
 def _dump_source_templates(tpls) -> dict:  # type: ignore  # TODO: fix
     if tpls is None:
         return None  # type: ignore  # TODO: fix

lib/dl_api_lib_testing/dl_api_lib_testing/connector/connection_suite.py

@@ -6,6 +6,8 @@
 
 from dl_api_client.dsmaker.api.http_sync_base import SyncHttpClientBase
 from dl_api_lib_testing.connection_base import ConnectionTestBase
+from dl_core.us_connection_base import ConnectionBase
+from dl_core.us_manager.us_manager_sync import SyncUSManager
 from dl_testing.regulated_test import RegulatedTestCase
 
 
@@ -23,6 +25,30 @@ def test_create_connection(
         )
         assert resp.status_code == 200, resp.json
 
+    def test_export_connection(
+        self,
+        control_api_sync_client: SyncHttpClientBase,
+        saved_connection_id: str,
+        bi_headers: Optional[dict[str, str]],
+        sync_us_manager: SyncUSManager,
+    ) -> None:
+        conn = sync_us_manager.get_by_id(saved_connection_id, expected_type=ConnectionBase)
+        assert isinstance(conn, ConnectionBase)
+
+        resp = control_api_sync_client.get(
+            url=f"/api/v1/connections/export/{saved_connection_id}",
+            headers=bi_headers,
+        )
+
+        if not conn.allow_export:
+            assert resp.status_code == 400
+            return
+
+        assert resp.status_code == 200, resp.json
+        if hasattr(conn.data, "password"):
+            password = resp.json.get("password", None)
+            assert password == "******"
+
     def test_test_connection(
         self,
         control_api_sync_client: SyncHttpClientBase,

lib/dl_connector_chyt/dl_connector_chyt/api/api_schema/connection.py

@@ -28,7 +28,7 @@ class CHYTConnectionSchema(ConnectionMetaMixin, RawSQLLevelMixin, DataExportForb
 
     host = DBHostField(attribute="data.host", required=True, bi_extra=FieldExtra(editable=True))
     port = ma.fields.Integer(attribute="data.port", required=True, bi_extra=FieldExtra(editable=True))
-    token = secret_string_field(attribute="data.token", required=True, bi_extra=FieldExtra(editable=True))
+    token = secret_string_field(attribute="data.token", required=True)
     alias = alias_string_field(attribute="data.alias")
     secure = ma.fields.Boolean(attribute="data.secure", bi_extra=FieldExtra(editable=True))
     cache_ttl_sec = cache_ttl_field(attribute="data.cache_ttl_sec")

lib/dl_connector_clickhouse/dl_connector_clickhouse/api/api_schema/connection.py

@@ -26,7 +26,6 @@ class ClickHouseConnectionSchema(
         attribute="data.password",
         required=False,
         allow_none=True,
-        bi_extra=FieldExtra(editable=True),
     )
 
     secure = core_ma_fields.OnOffField(attribute="data.secure", bi_extra=FieldExtra(editable=True))

lib/dl_connector_mssql/dl_connector_mssql/core/us_connection.py

@@ -29,6 +29,7 @@ class ConnectionMSSQL(ClassicConnectionSQL):
     allowed_source_types = frozenset((SOURCE_TYPE_MSSQL_TABLE, SOURCE_TYPE_MSSQL_SUBSELECT))
     allow_dashsql: ClassVar[bool] = True
     allow_cache: ClassVar[bool] = True
+    allow_export: ClassVar[bool] = True
     is_always_user_source: ClassVar[bool] = True
 
     @attr.s(kw_only=True)

lib/dl_connector_mysql/dl_connector_mysql/core/us_connection.py

@@ -22,6 +22,7 @@ class ConnectionMySQL(ClassicConnectionSQL):
     allowed_source_types = frozenset((SOURCE_TYPE_MYSQL_TABLE, SOURCE_TYPE_MYSQL_SUBSELECT))
     allow_dashsql: ClassVar[bool] = True
     allow_cache: ClassVar[bool] = True
+    allow_export: ClassVar[bool] = True
     is_always_user_source: ClassVar[bool] = True
 
     @attr.s(kw_only=True)

lib/dl_connector_oracle/dl_connector_oracle/core/us_connection.py

@@ -32,6 +32,7 @@ class ConnectionSQLOracle(ClassicConnectionSQL):
     allowed_source_types = frozenset((SOURCE_TYPE_ORACLE_TABLE, SOURCE_TYPE_ORACLE_SUBSELECT))
     allow_dashsql: ClassVar[bool] = True
     allow_cache: ClassVar[bool] = True
+    allow_export: ClassVar[bool] = True
     is_always_user_source: ClassVar[bool] = True
 
     @attr.s(kw_only=True)

lib/dl_connector_postgresql/dl_connector_postgresql/core/postgresql_base/us_connection.py

@@ -19,6 +19,7 @@
 class ConnectionPostgreSQLBase(ClassicConnectionSQL):
     has_schema = True
     default_schema_name = "public"
+    allow_export = True
 
     @attr.s(kw_only=True)
     class DataModel(ClassicConnectionSQL.DataModel):

lib/dl_connector_promql/dl_connector_promql/api/api_schema/connection.py

@@ -56,7 +56,6 @@ class PromQLConnectionSchema(ConnectionMetaMixin, ClassicSQLConnectionSchema):
         attribute="data.password",
         required=False,
         allow_none=True,
-        bi_extra=FieldExtra(editable=True),
     )
     path = DBPathField(
         attribute="data.path",

lib/dl_connector_promql/dl_connector_promql/core/us_connection.py

@@ -17,6 +17,7 @@ class PromQLConnection(ClassicConnectionSQL):
     allow_cache: ClassVar[bool] = True
     is_always_user_source: ClassVar[bool] = True
     allow_dashsql: ClassVar[bool] = True
+    allow_export: ClassVar[bool] = True
     source_type = SOURCE_TYPE_PROMQL
 
     @attr.s(kw_only=True)

lib/dl_connector_snowflake/dl_connector_snowflake/api/api_schema/connection.py

@@ -35,7 +35,6 @@ class SnowFlakeConnectionSchema(ConnectionSchema, RawSQLLevelMixin):
     client_secret = secret_string_field(
         attribute="data.client_secret",
         required=True,
-        bi_extra=FieldExtra(editable=True),
     )
     schema = ma_fields.String(
         attribute="data.schema",
@@ -55,7 +54,6 @@ class SnowFlakeConnectionSchema(ConnectionSchema, RawSQLLevelMixin):
     refresh_token = secret_string_field(
         attribute="data.refresh_token",
         required=False,
-        bi_extra=FieldExtra(editable=True),
     )
     refresh_token_expire_time = ma_fields.DateTime(
         attribute="data.refresh_token_expire_time",

lib/dl_connector_ydb/dl_connector_ydb/core/ydb/us_connection.py

@@ -36,6 +36,7 @@ class YDBConnection(ClassicConnectionSQL):
     allow_cache: ClassVar[bool] = True
     is_always_user_source: ClassVar[bool] = True
     allow_dashsql: ClassVar[bool] = True
+    allow_export: ClassVar[bool] = True
 
     source_type = SOURCE_TYPE_YDB_TABLE
 

lib/dl_core/dl_core/us_connection_base.py

@@ -142,6 +142,7 @@ class ConnectionBase(USEntry, metaclass=abc.ABCMeta):
     allowed_source_types: ClassVar[Optional[frozenset[DataSourceType]]] = None
     allow_dashsql: ClassVar[bool] = False
     allow_cache: ClassVar[bool] = False
+    allow_export: ClassVar[bool] = False
     is_always_internal_source: ClassVar[bool] = False
     is_always_user_source: ClassVar[bool] = False