func newClientAuthenticator()

in components/google-built-opentelemetry-collector/extension/oauth2clientauthextension/extension.go [50:78]

• 27 lines of code
• 2 McCabe index (conditional complexity)

func newClientAuthenticator(cfg *Config, logger *zap.Logger) (*clientAuthenticator, error) {
	transport := http.DefaultTransport.(*http.Transport).Clone()

	tlsCfg, err := cfg.TLSSetting.LoadTLSConfig(context.Background())
	if err != nil {
		return nil, err
	}
	transport.TLSClientConfig = tlsCfg

	return &clientAuthenticator{
		clientCredentials: &clientCredentialsConfig{
			Config: clientcredentials.Config{
				ClientID:       cfg.ClientID,
				ClientSecret:   string(cfg.ClientSecret),
				TokenURL:       cfg.TokenURL,
				Scopes:         cfg.Scopes,
				EndpointParams: cfg.EndpointParams,
			},
			ClientIDFile:     cfg.ClientIDFile,
			ClientSecretFile: cfg.ClientSecretFile,
			ExpiryBuffer:     cfg.ExpiryBuffer,
		},
		logger: logger,
		client: &http.Client{
			Transport: transport,
			Timeout:   cfg.Timeout,
		},
	}, nil
}