feat: Determine default metro from profile (#224)

Reviewed-by: Alexander Jung <alex@unikraft.com>
Approved-by: Alexander Jung <alex@unikraft.com>

Author: nderjung

cmd/unikraft/testdata/TestGolden/config/get

@@ -153,7 +153,7 @@ func (a AnyResource) Key() resource.Key {
 	}
 }
 
-func (a AnyResource) Fields() ([]resource.Field, error) {
+func (a AnyResource) Fields(ctx context.Context) ([]resource.Field, error) {
 	fields, err := resource.FieldsFromStruct(a)
 	if err != nil {
 		return nil, err
@@ -165,7 +165,7 @@ func (a AnyResource) Fields() ([]resource.Field, error) {
 		}
 	}
 	if underlying != nil {
-		underlyingFields, err := underlying.Fields()
+		underlyingFields, err := underlying.Fields(ctx)
 		if err != nil {
 			return nil, err
 		}

cmd/unikraft/testdata/TestGolden/config/help

@@ -102,7 +102,8 @@ func (c Certificate) Raw() any {
 	return c.Certificate
 }
 
-func (c Certificate) Fields() ([]resource.Field, error) {
+func (c Certificate) Fields(ctx context.Context) ([]resource.Field, error) {
+	c.MetroName = defaultMetro(ctx, c.MetroName)
 	result, err := resource.FieldsFromStruct(c)
 	if err != nil {
 		return nil, err

internal/cmd/any.go

@@ -41,7 +41,7 @@ func (c Config) Raw() any {
 	return c.Config
 }
 
-func (c Config) Fields() ([]resource.Field, error) {
+func (c Config) Fields(ctx context.Context) ([]resource.Field, error) {
 	return resource.FieldsFromStruct(c.Config)
 }
 

internal/cmd/certificates.go

@@ -94,7 +94,7 @@ func (i Image) Raw() any {
 	return nil // NOTE: no platform API response associated
 }
 
-func (i Image) Fields() ([]resource.Field, error) {
+func (i Image) Fields(ctx context.Context) ([]resource.Field, error) {
 	return resource.FieldsFromStruct(i)
 }
 
@@ -271,7 +271,7 @@ func (i ImageEntry) Raw() any {
 	return i.Image
 }
 
-func (i ImageEntry) Fields() ([]resource.Field, error) {
+func (i ImageEntry) Fields(ctx context.Context) ([]resource.Field, error) {
 	result, err := resource.FieldsFromStruct(i)
 	if err != nil {
 		return nil, err

internal/cmd/config.go

@@ -130,7 +130,7 @@ func (i InstanceTemplate) Raw() any {
 	return i.Instance
 }
 
-func (i InstanceTemplate) Fields() ([]resource.Field, error) {
+func (i InstanceTemplate) Fields(ctx context.Context) ([]resource.Field, error) {
 	result, err := resource.FieldsFromStruct(i)
 	if err != nil {
 		return nil, err

internal/cmd/images.go

@@ -452,7 +452,8 @@ func (i Instance) Raw() any {
 	return i.Instance
 }
 
-func (i Instance) Fields() ([]resource.Field, error) {
+func (i Instance) Fields(ctx context.Context) ([]resource.Field, error) {
+	i.MetroName = defaultMetro(ctx, i.MetroName)
 	result, err := resource.FieldsFromStruct(i)
 	if err != nil {
 		return nil, err

internal/cmd/instance_templates.go

@@ -52,7 +52,7 @@ func (i Metro) Raw() any {
 	return i
 }
 
-func (i Metro) Fields() ([]resource.Field, error) {
+func (i Metro) Fields(ctx context.Context) ([]resource.Field, error) {
 	fields, err := resource.FieldsFromStruct(i)
 	if err != nil {
 		return nil, err

internal/cmd/instances.go

@@ -52,7 +52,7 @@ func (i Profile) Raw() any {
 	return i
 }
 
-func (i Profile) Fields() ([]resource.Field, error) {
+func (i Profile) Fields(ctx context.Context) ([]resource.Field, error) {
 	return resource.FieldsFromStruct(i)
 }