Code to ensure dp token signing key

generate_signing_key.go

// Copied from https://github.com/kumahq/kuma/blob/master/pkg/defaults/mesh/mesh.go#L60

created, err := ensureDataplaneTokenSigningKey(ctx, resManager, meshName)

if err != nil {
  return errors.Wrap(err, "could not create default Dataplane Token Signing Key")
}

if created {
  resKey := tokens.SigningKeyResourceKey(issuer.DataplaneTokenSigningKeyPrefix(meshName), tokens.DefaultSerialNumber, meshName)
  log.Info("default Dataplane Token Signing Key created", "mesh", meshName, "name", resKey.Name)
} else {
  log.Info("Dataplane Token Signing Key already exists", "mesh", meshName)
}