feat(ingest/sigma): Sigma connector integration #10037

shubhamjagtap639 · 2024-03-13T06:28:18Z

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The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
Links to related issues (if applicable)
Tests for the changes have been added/updated (if applicable)
Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

hsheth2

Functionality:

seems like none of the workspaces have any entities nested within them - this suggests that the container paths are not set up correctly
can we generate more details about sigma datasets? e.g. schema, properties, documentation, ownership?
datasets are part of workspaces/folders right? they should have a container aspect
what happens to folders within a workspace?
can we get metadata from "badges" in sigma - those would probably be pretty valuable
for charts/dashboards, can we generate externalUrl info so we get the "View in Sigma" button in the UI

hsheth2 · 2024-03-18T21:47:22Z

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma_api.py

+ for workspace_dict in response.json():
+ workspaces.append(Workspace.parse_obj(workspace_dict))
+ except Exception as e:
+ self._log_http_error(message=f"Unable to fetch workspaces. Exception: {e}")


if this happens, it should appear as a "failure" in the source report

hsheth2 · 2024-03-18T21:49:04Z

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma.py

+ )
+
+ def _get_sigma_dataset_identifier(self, dataset: SigmaDataset) -> str:
+ return f"{dataset.datasetId}".lower()


why are we making these lowercased?

shubhamjagtap639 · 2024-03-20T09:55:29Z

Functionality:

seems like none of the workspaces have any entities nested within them - this suggests that the container paths are not set up correctly

can we generate more details about sigma datasets? e.g. schema, properties, documentation, ownership?

datasets are part of workspaces/folders right? they should have a container aspect

what happens to folders within a workspace?

can we get metadata from "badges" in sigma - those would probably be pretty valuable

for charts/dashboards, can we generate externalUrl info so we get the "View in Sigma" button in the UI

Get Dataset API don't have schema metadata.
Should I map folder with container entity or use browsepath aspect for this?
Yes, we can get badges metadata but where to map it?

hsheth2 · 2024-03-20T21:50:01Z

Should I map folder with container entity or use browsepath aspect for this?

you should emit a browsePathsV2 aspect, where the first parts are dataPlatformInstance (if set) and workspace container urns, and the remaining parts are strings with the folder names

Yes, we can get badges metadata but where to map it?

They should become tags in datahub, prefixed with "sigma:"

hsheth2 · 2024-04-12T19:34:14Z

metadata-ingestion/src/datahub/ingestion/source/sigma/data_classes.py

 name: str
 description: str
 createdBy: str
 createdAt: datetime
 updatedAt: datetime
 url: str
+ path: str


would be better to keep this as a List[str] - that way if someone has a / in their folder name, we still handle it correctly

We are getting path attribute details from API in string format. If we later convert it to list of string with any one folder containing / in name, still that folder name will get split.

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma.py

hsheth2 · 2024-04-12T19:36:07Z

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma.py

+ and "*" in self.config.chart_sources_platform_mapping
+ ):
+ data_source_platform_details = self.config.chart_sources_platform_mapping[
+ "*"


so the * is basically a "fallback" platform detail if nothing else matches?

If user wants to provide platform details to all sources used by all charts which got ingested, * as key can be used.

hsheth2 · 2024-04-12T19:39:17Z

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma.py

+ inputs[
+ self._gen_sigma_dataset_urn(source_id)
+ ] = in_table_urn
+ sql_parser_in_tables.remove(in_table_urn)


we'll probably need to come back to this to generate CLL

To generate CLL, we don't have schema metadata for datasets. We do have columns details used by elements/charts, but can't map that columns with there tables.

hsheth2 · 2024-04-12T19:57:18Z

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma_api.py

- self.users: Dict = {}
+ self.workspaces: Dict[str, Workspace] = {}
+ self.users: Dict[str, str] = {}
+ self.datasets: Dict[str, str] = {}


why are we saving these? I would've expected these to be saved in sigma.py, not in sigma_api.py

Removed self.datasets but others can't be moved or removed. We even can't use functools.lru_cache as it gives problem with function fetching response from GET API.

hsheth2 · 2024-04-16T00:28:55Z

metadata-ingestion/docs/sources/sigma/sigma_pre.md

+```
+
+#### Example - For all ingested charts


follow up - the order of these examples should be reversed, and they should be rephrased as below

Suggested change

#### Example - For all ingested charts

#### Example - All workbooks use the same connection

hsheth2 · 2024-04-16T00:33:38Z

metadata-ingestion/src/datahub/ingestion/source/sigma/sigma_api.py

@@ -22,7 +22,6 @@ def __init__(self, config: SigmaSourceConfig) -> None:
 self.config = config
 self.workspaces: Dict[str, Workspace] = {}
 self.users: Dict[str, str] = {}


my comment was about users and workspaces too - those should probably not be getting saved here?

datahub-web-react/src/app/ingest/source/builder/sources.json

Co-authored-by: Harshal Sheth <hsheth2@gmail.com>

Code for sigma source integration

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Add sigma dataset upstream lineage code

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feat(ingest/sigma): Sigma connector integration (datahub-project#10037)

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Co-authored-by: Harshal Sheth <hsheth2@gmail.com>

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feat(ingest/sigma): Sigma connector integration #10037

feat(ingest/sigma): Sigma connector integration #10037

shubhamjagtap639 commented Mar 13, 2024

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shubhamjagtap639 commented Mar 20, 2024 •

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	#### Example - For all ingested charts
	#### Example - All workbooks use the same connection

feat(ingest/sigma): Sigma connector integration #10037

feat(ingest/sigma): Sigma connector integration #10037

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shubhamjagtap639 commented Mar 13, 2024

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shubhamjagtap639 commented Mar 20, 2024 •

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