Fix metadata.csv integration name behavior with overrides

.ddev/config.toml

@@ -156,6 +156,15 @@ unsorted = [
     'otel',
 ]
 
+# Use this to validate the name of the integration that must appear in each row of the metadata.csv file
+# This integrations for historical reasons do not have a name in metadata that aligns with their
+# display name.
+[overrides.validate.metadata.integration]
+ecs_fargate = "amazon_fargate"
+kube_scheduler = "kube_scheduler"
+nginx_ingress_controller = "nginx_ingress_controller"
+
+
 [overrides.dep.updates]
 exclude = [
     'pyasn1',          # https://github.com/pyasn1/pyasn1/issues/52

ddev/changelog.d/21836.fixed

@@ -0,0 +1 @@
+Add a way for historical snowflakes to overide their integration name used in the metadata file validation

ddev/src/ddev/cli/validate/metadata.py

@@ -210,7 +210,7 @@ def metadata(app: Application, integrations: tuple[str, ...], check_duplicates:
 
             # integration header
             integration = row['integration']
-            normalized_integration = current_check.normalized_display_name
+            normalized_integration = current_check.metadata_integration_name
             if integration != normalized_integration and normalized_integration not in excluded:
                 errors = True
 

ddev/src/ddev/integration/core.py

@@ -100,6 +100,13 @@ def normalized_display_name(self) -> str:
         normalized_integration = normalized_integration.strip("_")
         return normalized_integration.lower()
 
+    @cached_property
+    def metadata_integration_name(self) -> str:
+        if name := cast(str, self.repo_config.get(f'/overrides/validate/metadata/integration/{self.name}', None)):
+            return name
+
+        return self.normalized_display_name
+
     @cached_property
     def project_file(self) -> Path:
         return self.path / 'pyproject.toml'

ddev/tests/cli/validate/test_metrics.py

@@ -322,6 +322,41 @@ def test_integration_header(ddev, repository, helpers):
     )
 
 
+def test_integration_header_with_override(ddev, repository, helpers):
+    helpers.write_file(
+        repository.path / 'apache',
+        'metadata.csv',
+        helpers.dedent(
+            """
+        metric_name,metric_type,interval,unit_name,per_unit_name,description,orientation,integration,short_name,curated_metric
+        apache.conns_total,gauge,,connection,,The number of connections.,0,apache___,,
+        """
+        ),
+    )
+
+    helpers.write_file(
+        repository.path / ".ddev",
+        "config.toml",
+        helpers.dedent(
+            """
+        [overrides.validate.metadata.integration]
+        apache = "apache___"
+        """
+        ),
+    )
+
+    result = ddev("validate", "metadata", 'apache')
+
+    assert result.exit_code == 0, result.output
+    assert helpers.remove_trailing_spaces(result.output) == helpers.dedent(
+        """
+        Metrics validation
+
+        Passed: 1
+        """
+    )
+
+
 def test_invalid_orientation(ddev, repository, helpers):
     metrics_file = repository.path / 'apache' / 'metadata.csv'
     outfile = os.path.join('apache', 'metadata.csv')