feat(cli): add more details to get cli

docs/how/updating-datahub.md

@@ -22,6 +22,7 @@ This file documents any backwards-incompatible changes in DataHub and assists pe
 
 - Protobuf CLI will no longer create binary encoded protoc custom properties. Flag added `-protocProp` in case this 
   behavior is required.
+- `datahub get ...` CLI output format changed a bit. To use the older output format pass `datahub get -v 1 ...`
 
 ### Potential Downtime
 

metadata-ingestion/src/datahub/cli/cli_utils.py

@@ -522,6 +522,7 @@ def get_aspects_for_entity(
     aspects: List[str],
     typed: bool = False,
     cached_session_host: Optional[Tuple[Session, str]] = None,
+    version: int = 1,
 ) -> Dict[str, Union[dict, _Aspect]]:
     # Process non-timeseries aspects
     non_timeseries_aspects = [a for a in aspects if a not in TIMESERIES_ASPECT_MAP]
@@ -553,7 +554,12 @@ def get_aspects_for_entity(
             aspect_name
         )
 
-        aspect_dict = a["value"]
+        if version == 2:
+            aspect_dict = a
+            for k in ["name", "version", "type"]:
+                del aspect_dict[k]
+        else:
+            aspect_dict = a["value"]
         if not typed:
             aspect_map[aspect_name] = aspect_dict
         elif aspect_py_class:

metadata-ingestion/src/datahub/cli/get_cli.py

@@ -21,10 +21,18 @@ def get() -> None:
 @get.command()
 @click.option("--urn", required=False, type=str)
 @click.option("-a", "--aspect", required=False, multiple=True, type=str)
+@click.option(
+    "-v",
+    "--version",
+    required=False,
+    type=int,
+    default=2,
+    help="Version of get CLI to use.",
+)
 @click.pass_context
 @upgrade.check_upgrade
 @telemetry.with_telemetry()
-def urn(ctx: Any, urn: Optional[str], aspect: List[str]) -> None:
+def urn(ctx: Any, urn: Optional[str], aspect: List[str], version: int) -> None:
     """
     Get metadata for an entity with an optional list of aspects to project.
     This works for both versioned aspects and timeseries aspects. For timeseries aspects, it fetches the latest value.
@@ -39,7 +47,9 @@ def urn(ctx: Any, urn: Optional[str], aspect: List[str]) -> None:
         logger.debug(f"Using urn from args {urn}")
     click.echo(
         json.dumps(
-            get_aspects_for_entity(entity_urn=urn, aspects=aspect, typed=False),
+            get_aspects_for_entity(
+                entity_urn=urn, aspects=aspect, typed=False, version=version
+            ),
             sort_keys=True,
             indent=2,
         )