本文整理汇总了Golang中google/golang.org/cloud.ClientOption.Resolve方法的典型用法代码示例。如果您正苦于以下问题：Golang ClientOption.Resolve方法的具体用法？Golang ClientOption.Resolve怎么用？Golang ClientOption.Resolve使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类google/golang.org/cloud.ClientOption的用法示例。
在下文中一共展示了ClientOption.Resolve方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: DialGRPC
// DialGRPC returns a GRPC connection for use communicating with a Google cloud
// service, configured with the given ClientOptions.
func DialGRPC(ctx context.Context, opt ...cloud.ClientOption) (*grpc.ClientConn, error) {
var o opts.DialOpt
for _, opt := range opt {
opt.Resolve(&o)
}
if o.HTTPClient != nil {
return nil, errors.New("unsupported HTTP base transport specified")
}
if o.GRPCClient != nil {
return o.GRPCClient, nil
}
if o.TokenSource == nil {
var err error
o.TokenSource, err = google.DefaultTokenSource(ctx, o.Scopes...)
if err != nil {
return nil, fmt.Errorf("google.DefaultTokenSource: %v", err)
}
}
grpcOpts := []grpc.DialOption{
grpc.WithPerRPCCredentials(oauth.TokenSource{o.TokenSource}),
grpc.WithTransportCredentials(credentials.NewClientTLSFromCert(nil, "")),
}
grpcOpts = append(grpcOpts, o.GRPCDialOpts...)
if o.UserAgent != "" {
grpcOpts = append(grpcOpts, grpc.WithUserAgent(o.UserAgent))
}
return grpc.Dial(o.Endpoint, grpcOpts...)
}示例2: DialGRPC
// DialGRPC returns a GRPC connection for use communicating with a Google cloud
// service, configured with the given ClientOptions.
func DialGRPC(ctx context.Context, opt ...cloud.ClientOption) (*grpc.ClientConn, error) {
o := make([]option.ClientOption, 0, len(opt))
for _, opt := range opt {
o = append(o, opt.Resolve())
}
return transport.DialGRPC(ctx, o...)
}示例3: NewProtoClient
// NewProtoClient returns a ProtoClient for communicating with a Google cloud service,
// configured with the given ClientOptions.
func NewProtoClient(ctx context.Context, opt ...cloud.ClientOption) (*ProtoClient, error) {
var o opts.DialOpt
for _, opt := range opt {
opt.Resolve(&o)
}
if o.GRPCClient != nil {
return nil, errors.New("unsupported GRPC base transport specified")
}
var client *http.Client
switch {
case o.HTTPClient != nil:
if o.TokenSource != nil {
return nil, errors.New("at most one of WithTokenSource or WithBaseHTTP may be provided")
}
client = o.HTTPClient
case o.TokenSource != nil:
client = oauth2.NewClient(ctx, o.TokenSource)
default:
var err error
client, err = google.DefaultClient(ctx, o.Scopes...)
if err != nil {
return nil, err
}
}
return &ProtoClient{
client: client,
endpoint: o.Endpoint,
userAgent: o.UserAgent,
}, nil
}示例4: NewHTTPClient
// NewHTTPClient returns an HTTP client for use communicating with a Google cloud
// service, configured with the given ClientOptions. It also returns the endpoint
// for the service as specified in the options.
func NewHTTPClient(ctx context.Context, opt ...cloud.ClientOption) (*http.Client, string, error) {
o := make([]option.ClientOption, 0, len(opt))
for _, opt := range opt {
o = append(o, opt.Resolve())
}
return transport.NewHTTPClient(ctx, o...)
}示例5: NewHTTPClient
// NewHTTPClient returns an HTTP client for use communicating with a Google cloud
// service, configured with the given ClientOptions. It also returns the endpoint
// for the service as specified in the options.
func NewHTTPClient(ctx context.Context, opt ...cloud.ClientOption) (*http.Client, string, error) {
var o opts.DialOpt
for _, opt := range opt {
opt.Resolve(&o)
}
if o.GRPCClient != nil {
return nil, "", errors.New("unsupported GRPC base transport specified")
}
// TODO(djd): Wrap all http.Clients with appropriate internal version to add
// UserAgent header and prepend correct endpoint.
if o.HTTPClient != nil {
return o.HTTPClient, o.Endpoint, nil
}
if o.TokenSource == nil {
var err error
o.TokenSource, err = google.DefaultTokenSource(ctx, o.Scopes...)
if err != nil {
return nil, "", fmt.Errorf("google.DefaultTokenSource: %v", err)
}
}
return oauth2.NewClient(ctx, o.TokenSource), o.Endpoint, nil
}