fix(cloudtrail): get_trail_status must work with MultiRegion trails (#6687)

moto/cloudtrail/models.py

@@ -300,21 +300,22 @@ class CloudTrailBackend(BaseBackend):
     def get_trail_status(self, name: str) -> TrailStatus:
         if len(name) < 3:
             raise TrailNameTooShort(actual_length=len(name))
-        trail_name = next(
+
+        all_trails = self.describe_trails(include_shadow_trails=True)
+        trail = next(
             (
-                trail.trail_name
+                trail
-                for trail in self.trails.values()
+                for trail in all_trails
                 if trail.trail_name == name or trail.arn == name
             ),
             None,
         )
-        if not trail_name:
+        if not trail:
             # This particular method returns the ARN as part of the error message
             arn = (
                 f"arn:aws:cloudtrail:{self.region_name}:{self.account_id}:trail/{name}"
             )
             raise TrailNotFoundException(account_id=self.account_id, name=arn)
-        trail = self.trails[trail_name]
         return trail.status
 
     def describe_trails(self, include_shadow_trails: bool) -> Iterable[Trail]:

tests/test_cloudtrail/test_cloudtrail.py

@@ -319,6 +319,38 @@ def test_get_trail_status_after_starting_and_stopping():
     assert "TimeLoggingStopped" in status  # .equal("2021-10-13T15:03:21Z")
 
 
+@mock_cloudtrail
+@mock_s3
+@mock_sns
+def test_get_trail_status_multi_region_not_from_the_home_region():
+    # CloudTrail client
+    client_us_east_1 = boto3.client("cloudtrail", region_name="us-east-1")
+
+    # Create Trail
+    _, _, _, trail_name_us_east_1 = create_trail_advanced()
+
+    # Start Logging
+    _ = client_us_east_1.start_logging(Name=trail_name_us_east_1)
+
+    # Check Trails in the Home Region us-east-1
+    trails_us_east_1 = client_us_east_1.describe_trails()["trailList"]
+    trail_arn_us_east_1 = trails_us_east_1[0]["TrailARN"]
+    assert len(trails_us_east_1) == 1
+
+    # Get Trail status in the Home Region us-east-1
+    trail_status_us_east_1 = client_us_east_1.get_trail_status(Name=trail_arn_us_east_1)
+    assert trail_status_us_east_1["IsLogging"]
+
+    # Check Trails in another region eu-west-1 for a MultiRegion trail
+    client_eu_west_1 = boto3.client("cloudtrail", region_name="eu-west-1")
+    trails_eu_west_1 = client_eu_west_1.describe_trails()["trailList"]
+    assert len(trails_eu_west_1) == 1
+
+    # Get Trail status in another region eu-west-1 for a MultiRegion trail
+    trail_status_us_east_1 = client_eu_west_1.get_trail_status(Name=trail_arn_us_east_1)
+    assert trail_status_us_east_1["IsLogging"]
+
+
 @mock_cloudtrail
 @mock_s3
 @mock_sns