func newWorkloadIdentityCredential()

in pkg/internal/token/workloadidentitycredential.go [27:66]

37 lines of code
8 McCabe index (conditional complexity)


func newWorkloadIdentityCredential(opts *Options) (CredentialProvider, error) {
	if opts.ClientID == "" {
		return nil, fmt.Errorf("client ID cannot be empty")
	}
	if opts.TenantID == "" {
		return nil, fmt.Errorf("tenant ID cannot be empty")
	}
	if opts.FederatedTokenFile == "" {
		return nil, fmt.Errorf("federated token file cannot be empty")
	}
	var (
		c   azidentity.Cache
		err error
	)
	if opts.UsePersistentCache {
		c, err = cache.New(nil)
		if err != nil {
			klog.V(5).Infof("failed to create cache: %v", err)
		}
	}

	azOpts := &azidentity.WorkloadIdentityCredentialOptions{
		ClientOptions:            azcore.ClientOptions{Cloud: opts.GetCloudConfiguration()},
		Cache:                    c,
		ClientID:                 opts.ClientID,
		TenantID:                 opts.TenantID,
		TokenFilePath:            opts.FederatedTokenFile,
		DisableInstanceDiscovery: opts.DisableInstanceDiscovery,
	}

	if opts.httpClient != nil {
		azOpts.ClientOptions.Transport = opts.httpClient
	}

	cred, err := azidentity.NewWorkloadIdentityCredential(azOpts)
	if err != nil {
		return nil, fmt.Errorf("failed to create workload identity credential: %w", err)
	}
	return &WorkloadIdentityCredential{cred: cred}, nil
}