func ToCredentialsProvider()

in sdk/auth/credential.go [28:83]
55 lines of code
9 McCabe index (conditional complexity)

func ToCredentialsProvider(credential Credential) (provider credentials.CredentialsProvider, err error) {
	if credential == nil {
		provider = credentials.NewDefaultCredentialsProvider()
		return
	}

	switch instance := credential.(type) {
	case *credentials.AccessKeyCredential:
		{
			provider = credentials.NewStaticAKCredentialsProvider(instance.AccessKeyId, instance.AccessKeySecret)
			return
		}
	case *credentials.StsTokenCredential:
		{
			provider = credentials.NewStaticSTSCredentialsProvider(instance.AccessKeyId, instance.AccessKeySecret, instance.AccessKeyStsToken)
			return
		}
	case *credentials.BearerTokenCredential:
		{
			provider = credentials.NewBearerTokenCredentialsProvider(instance.BearerToken)
			return
		}
	case *credentials.RamRoleArnCredential:
		{
			preProvider := credentials.NewStaticAKCredentialsProvider(instance.AccessKeyId, instance.AccessKeySecret)
			provider, err = credentials.NewRAMRoleARNCredentialsProvider(
				preProvider,
				instance.RoleArn,
				instance.RoleSessionName,
				instance.RoleSessionExpiration,
				instance.Policy,
				instance.StsRegion,
				instance.ExternalId)
			return
		}
	case *credentials.RsaKeyPairCredential:
		{
			provider, err = credentials.NewRSAKeyPairCredentialsProvider(instance.PublicKeyId, instance.PrivateKey, instance.SessionExpiration)
			return
		}
	case *credentials.EcsRamRoleCredential:
		{
			provider = credentials.NewECSRAMRoleCredentialsProvider(instance.RoleName)
			return
		}
	case credentials.CredentialsProvider:
		{
			provider = instance
			return
		}
	default:
		message := fmt.Sprintf(errors.UnsupportedCredentialErrorMessage, reflect.TypeOf(credential))
		err = errors.NewClientError(errors.UnsupportedCredentialErrorCode, message, nil)
	}
	return
}