CLOUDP-297946: removes the x-sunset=9999-12-31 from the openapi spec (#596)

Author: andreaangiolillo

tools/cli/internal/openapi/filter/filter.go

@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package filter
 
 import (
@@ -77,6 +78,7 @@ func DefaultFilters(oas *openapi3.T, metadata *Metadata) []Filter {
 		&HiddenEnvsFilter{oas: oas, metadata: metadata},
 		&TagsFilter{oas: oas},
 		&OperationsFilter{oas: oas},
+		&SunsetFilter{oas: oas},
 	}
 }
 

tools/cli/internal/openapi/filter/filter_test.go

@@ -112,7 +112,7 @@ func TestDefaultFilters(t *testing.T) {
 	metadata := &Metadata{}
 	filters := DefaultFilters(doc, metadata)
 
-	assert.Len(t, filters, 7)
+	assert.Len(t, filters, 8)
 }
 
 func TestFiltersWithoutVersioning(t *testing.T) {

tools/cli/internal/openapi/filter/operations.go

@@ -11,6 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+
 package filter
 
 import (

tools/cli/internal/openapi/filter/sunset.go

@@ -0,0 +1,66 @@
+// Copyright 2025 MongoDB Inc
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//	http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package filter
+
+import (
+	"strings"
+
+	"github.com/getkin/kin-openapi/openapi3"
+)
+
+const sunsetToBeDecided = "9999-12-31"
+
+// SunsetFilter removes the sunsetToBeDecided from the openapi specification.
+type SunsetFilter struct {
+	oas *openapi3.T
+}
+
+func (*SunsetFilter) ValidateMetadata() error {
+	return nil
+}
+
+func (f *SunsetFilter) Apply() error {
+	if f.oas.Paths == nil {
+		return nil
+	}
+
+	for _, pathItem := range f.oas.Paths.Map() {
+		for _, operation := range pathItem.Operations() {
+			if operation.Responses == nil {
+				continue
+			}
+
+			applyOnOperation(operation)
+		}
+	}
+	return nil
+}
+
+func applyOnOperation(op *openapi3.Operation) {
+	for key, response := range op.Responses.Map() {
+		if !strings.HasPrefix(key, "20") {
+			continue
+		}
+
+		for _, content := range response.Value.Content {
+			if v, ok := content.Extensions["x-sunset"]; ok {
+				if v != sunsetToBeDecided {
+					continue
+				}
+				delete(content.Extensions, "x-sunset")
+			}
+		}
+	}
+}