func krmifySpec()

in scripts/resource-autogen/main.go [441:542]
92 lines of code
19 McCabe index (conditional complexity)

func krmifySpec(tfSpec map[string]interface{}, tfType string, dependencyGraph *sampleconversion.DependencyGraph, rc v1alpha1.ResourceConfig, tfToGVK map[string]schema.GroupVersionKind) (krmSpec map[string]interface{}, containerAnnotation map[string]string, err error) {
	krmSpec = make(map[string]interface{})
	containerAnnotation = make(map[string]string)
	refConfigMap := getReferenceConfigMap(rc)
	containerMap := getContainerMap(rc)
	for tfFieldName, value := range tfSpec {
		krmFieldName := text.SnakeCaseToLowerCamelCase(tfFieldName)
		tfRefVal, valueTemplate, containsTFRef, err := sampleconversion.GetTFReferenceValue(value)
		if err != nil {
			return nil, nil, fmt.Errorf("error getting TF reference value for field %v: %w", tfFieldName, err)
		}
		if containsTFRef {
			dependencyGraph.AddDependencyWithTFRefVal(tfRefVal, tfType)
			// The use case that the field has a reference in the Tf sample, but
			// is not a reference field in the KRM resource can't be handled.
			refConfig, ok := refConfigMap[tfFieldName]
			if !ok {
				krmRefVal, err := sampleconversion.ConstructKRMExternalRefValFromTFRefVal(tfRefVal, valueTemplate, tfToGVK)
				if err != nil {
					return nil, nil, fmt.Errorf("cannot construct KRM value for a TF reference field %v: %w", krmFieldName, err)
				}
				krmSpec[krmFieldName] = krmRefVal
				continue
			}

			krmFieldName = refConfig.Key
			// For organizational resources that shouldn't be created, but used
			// as a reference, use the default one instead.
			defaultVal, ok := defaultOrganizationalResourcesMap[refConfig.GVK.Kind]
			if ok {
				krmRefVal := sampleconversion.ConstructKRMExternalReferenceObject(defaultVal)
				krmSpec[krmFieldName] = krmRefVal
				continue
			}

			krmRefVal, err := sampleconversion.ConstructKRMNameReferenceObject(tfRefVal, tfToGVK)
			if err != nil {
				return nil, nil, fmt.Errorf("error constructing KRM reference value for field %v: %w", krmFieldName, err)
			}
			krmSpec[krmFieldName] = krmRefVal
			continue
		}
		if isProjectNameWithNumber(value) {
			testProjectNameWithNumber := "projects/${projectNumber}"
			testProjectID := "${projectId}"
			// It's possible that the field with a value of the relative
			// resource name of a GCP project is a reference field in KRM.
			refConfig, ok := refConfigMap[tfFieldName]
			if !ok {
				container, ok := containerMap[tfFieldName]
				if !ok {
					krmSpec[krmFieldName] = testProjectNameWithNumber
					continue
				}
				if !isProjectContainer(container) {
					return nil, nil, fmt.Errorf("expected container type for field %v to be project but is %+v", tfFieldName, container.Type)
				}
				if len(containerAnnotation) > 0 {
					return nil, nil, fmt.Errorf("more than one container annotation found: '%+v' and '%v: %v'", containerAnnotation, tfFieldName, testProjectNameWithNumber)
				}
				containerAnnotation[k8s.GetAnnotationForContainerType(container.Type)] = testProjectID
				continue
			}
			krmFieldName = refConfig.Key
			krmRefVal := sampleconversion.ConstructKRMExternalReferenceObject(testProjectNameWithNumber)
			krmSpec[krmFieldName] = krmRefVal
			continue
		}
		if isOrganizationName(value) {
			testOrgID := "${TEST_ORG_ID}"
			testOrgName := fmt.Sprintf("organizations/%v", testOrgID)
			// It's possible that the field with a value of the relative
			// resource name of a GCP organization is a reference field in KRM.
			refConfig, ok := refConfigMap[tfFieldName]
			if !ok {
				container, ok := containerMap[tfFieldName]
				if !ok {
					krmSpec[krmFieldName] = testOrgName
					continue
				}
				if !isOrganizationContainer(container) {
					return nil, nil, fmt.Errorf("expected container type for field %v to be organization but is %+v", tfFieldName, container.Type)
				}
				if len(containerAnnotation) > 0 {
					return nil, nil, fmt.Errorf("more than one container annotation found: '%+v' and '%v: %v'", containerAnnotation, tfFieldName, testOrgName)
				}
				containerAnnotation[k8s.GetAnnotationForContainerType(container.Type)] = testOrgID
				continue
			}
			krmFieldName = refConfig.Key
			krmRefVal := sampleconversion.ConstructKRMExternalReferenceObject(testOrgName)
			krmSpec[krmFieldName] = krmRefVal
			continue
		}
		result, err := krmifyNestedField(value)
		if err != nil {
			return nil, nil, fmt.Errorf("error krmifying the nested field %s: %w", krmFieldName, err)
		}
		krmSpec[krmFieldName] = result
	}
	return krmSpec, containerAnnotation, nil
}