diff --git a/pkg/asset/manifests/infrastructure.go b/pkg/asset/manifests/infrastructure.go
index 5345c7f509f..89d7bd842a2 100644
--- a/pkg/asset/manifests/infrastructure.go
+++ b/pkg/asset/manifests/infrastructure.go
@@ -104,6 +104,7 @@ func (i *Infrastructure) Generate(dependencies asset.Parents) error {
 	switch installConfig.Config.Platform.Name() {
 	case aws.Name:
 		config.Spec.PlatformSpec.Type = configv1.AWSPlatformType
+		config.Spec.PlatformSpec.AWS = &configv1.AWSPlatformSpec{}
 
 		var resourceTags []configv1.AWSResourceTag
 		if installConfig.Config.AWS.ExperimentalPropagateUserTag {
diff --git a/pkg/asset/manifests/infrastructure_test.go b/pkg/asset/manifests/infrastructure_test.go
new file mode 100644
index 00000000000..f59026bb8d8
--- /dev/null
+++ b/pkg/asset/manifests/infrastructure_test.go
@@ -0,0 +1,181 @@
+package manifests
+
+import (
+	"testing"
+
+	"github.com/ghodss/yaml"
+	configv1 "github.com/openshift/api/config/v1"
+	"github.com/stretchr/testify/assert"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/openshift/installer/pkg/asset"
+	"github.com/openshift/installer/pkg/asset/installconfig"
+	"github.com/openshift/installer/pkg/types"
+	awstypes "github.com/openshift/installer/pkg/types/aws"
+)
+
+func TestGenerateInfrastructe(t *testing.T) {
+	cases := []struct {
+		name                   string
+		installConfig          *types.InstallConfig
+		expectedInfrastructure *configv1.Infrastructure
+	}{{
+		name:          "vanilla aws",
+		installConfig: icBuild.build(icBuild.forAWS()),
+		expectedInfrastructure: infraBuild.build(
+			infraBuild.forPlatform(configv1.AWSPlatformType),
+			infraBuild.withAWSPlatformSpec(),
+			infraBuild.withAWSPlatformStatus(),
+		),
+	}, {
+		name: "service endpoints",
+		installConfig: icBuild.build(
+			icBuild.forAWS(),
+			icBuild.withServiceEndpoint("service", "https://endpoint"),
+		),
+		expectedInfrastructure: infraBuild.build(
+			infraBuild.forPlatform(configv1.AWSPlatformType),
+			infraBuild.withServiceEndpoint("service", "https://endpoint"),
+		),
+	}}
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			parents := asset.Parents{}
+			parents.Add(
+				&installconfig.ClusterID{
+					UUID:    "test-uuid",
+					InfraID: "test-infra-id",
+				},
+				&installconfig.InstallConfig{Config: tc.installConfig},
+				&CloudProviderConfig{},
+				&AdditionalTrustBundleConfig{},
+			)
+			infraAsset := &Infrastructure{}
+			err := infraAsset.Generate(parents)
+			if !assert.NoError(t, err, "failed to generate asset") {
+				return
+			}
+			if !assert.Len(t, infraAsset.FileList, 1, "expected only one file to be generated") {
+				return
+			}
+			assert.Equal(t, infraAsset.FileList[0].Filename, "manifests/cluster-infrastructure-02-config.yml")
+			var actualInfra configv1.Infrastructure
+			err = yaml.Unmarshal(infraAsset.FileList[0].Data, &actualInfra)
+			if !assert.NoError(t, err, "failed to unmarshal infra manifest") {
+				return
+			}
+			assert.Equal(t, tc.expectedInfrastructure, &actualInfra)
+		})
+	}
+}
+
+type icOption func(*types.InstallConfig)
+
+type icBuildNamespace struct{}
+
+var icBuild icBuildNamespace
+
+func (icBuildNamespace) build(opts ...icOption) *types.InstallConfig {
+	ic := &types.InstallConfig{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "test-cluster",
+		},
+		BaseDomain:   "test-domain",
+		ControlPlane: &types.MachinePool{},
+	}
+	for _, opt := range opts {
+		opt(ic)
+	}
+	return ic
+}
+
+func (b icBuildNamespace) forAWS() icOption {
+	return func(ic *types.InstallConfig) {
+		if ic.Platform.AWS != nil {
+			return
+		}
+		ic.Platform.AWS = &awstypes.Platform{}
+	}
+}
+
+func (b icBuildNamespace) withServiceEndpoint(name, url string) icOption {
+	return func(ic *types.InstallConfig) {
+		b.forAWS()(ic)
+		ic.Platform.AWS.ServiceEndpoints = append(
+			ic.Platform.AWS.ServiceEndpoints,
+			awstypes.ServiceEndpoint{
+				Name: name,
+				URL:  url,
+			},
+		)
+	}
+}
+
+type infraOption func(*configv1.Infrastructure)
+
+type infraBuildNamespace struct{}
+
+var infraBuild infraBuildNamespace
+
+func (b infraBuildNamespace) build(opts ...infraOption) *configv1.Infrastructure {
+	infra := &configv1.Infrastructure{
+		TypeMeta: metav1.TypeMeta{
+			APIVersion: configv1.SchemeGroupVersion.String(),
+			Kind:       "Infrastructure",
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name: "cluster",
+		},
+		Spec: configv1.InfrastructureSpec{
+			PlatformSpec: configv1.PlatformSpec{},
+		},
+		Status: configv1.InfrastructureStatus{
+			InfrastructureName:     "test-infra-id",
+			APIServerURL:           "https://api.test-cluster.test-domain:6443",
+			APIServerInternalURL:   "https://api-int.test-cluster.test-domain:6443",
+			ControlPlaneTopology:   configv1.HighlyAvailableTopologyMode,
+			InfrastructureTopology: configv1.HighlyAvailableTopologyMode,
+			PlatformStatus:         &configv1.PlatformStatus{},
+		},
+	}
+	for _, opt := range opts {
+		opt(infra)
+	}
+	return infra
+}
+
+func (b infraBuildNamespace) forPlatform(platform configv1.PlatformType) infraOption {
+	return func(infra *configv1.Infrastructure) {
+		infra.Spec.PlatformSpec.Type = platform
+		infra.Status.PlatformStatus.Type = platform
+		infra.Status.Platform = platform
+	}
+}
+
+func (b infraBuildNamespace) withAWSPlatformSpec() infraOption {
+	return func(infra *configv1.Infrastructure) {
+		if infra.Spec.PlatformSpec.AWS != nil {
+			return
+		}
+		infra.Spec.PlatformSpec.AWS = &configv1.AWSPlatformSpec{}
+	}
+}
+
+func (b infraBuildNamespace) withAWSPlatformStatus() infraOption {
+	return func(infra *configv1.Infrastructure) {
+		if infra.Status.PlatformStatus.AWS != nil {
+			return
+		}
+		infra.Status.PlatformStatus.AWS = &configv1.AWSPlatformStatus{}
+	}
+}
+
+func (b infraBuildNamespace) withServiceEndpoint(name, url string) infraOption {
+	return func(infra *configv1.Infrastructure) {
+		b.withAWSPlatformSpec()(infra)
+		b.withAWSPlatformStatus()(infra)
+		endpoint := configv1.AWSServiceEndpoint{Name: name, URL: url}
+		infra.Spec.PlatformSpec.AWS.ServiceEndpoints = append(infra.Spec.PlatformSpec.AWS.ServiceEndpoints, endpoint)
+		infra.Status.PlatformStatus.AWS.ServiceEndpoints = append(infra.Status.PlatformStatus.AWS.ServiceEndpoints, endpoint)
+	}
+}