ActiveGo 1.8Package option
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type ClientOption ¶
A ClientOption is an option for a Google API client.
type ClientOption interface {
Apply(*internal.DialSettings)
}
func WithAPIKey ¶
func WithAPIKey(apiKey string) ClientOption
WithAPIKey returns a ClientOption that specifies an API key to be used as the basis for authentication.
func WithEndpoint ¶
func WithEndpoint(url string) ClientOption
WithEndpoint returns a ClientOption that overrides the default endpoint to be used for a service.
func WithGRPCConn ¶
func WithGRPCConn(conn *grpc.ClientConn) ClientOption
WithGRPCConn returns a ClientOption that specifies the gRPC client connection to use as the basis of communications. This option many only be used with services that support gRPC as their communication transport. When used, the WithGRPCConn option takes precedent over all other supplied options.
func WithGRPCConnectionPool ¶
func WithGRPCConnectionPool(size int) ClientOption
WithGRPCConnectionPool returns a ClientOption that creates a pool of gRPC connections that requests will be balanced between. This is an EXPERIMENTAL API and may be changed or removed in the future.
func WithGRPCDialOption ¶
func WithGRPCDialOption(opt grpc.DialOption) ClientOption
WithGRPCDialOption returns a ClientOption that appends a new grpc.DialOption to an underlying gRPC dial. It does not work with WithGRPCConn.
func WithHTTPClient ¶
func WithHTTPClient(client *http.Client) ClientOption
WithHTTPClient returns a ClientOption that specifies the HTTP client to use as the basis of communications. This option may only be used with services that support HTTP as their communication transport. When used, the WithHTTPClient option takes precedent over all other supplied options.
func WithScopes ¶
func WithScopes(scope ...string) ClientOption
WithScopes returns a ClientOption that overrides the default OAuth2 scopes to be used for a service.
func WithServiceAccountFile ¶
func WithServiceAccountFile(filename string) ClientOption
WithServiceAccountFile returns a ClientOption that uses a Google service account credentials file to authenticate. Use WithTokenSource with a token source created from golang.org/x/oauth2/google.JWTConfigFromJSON if reading the file from disk is not an option.
func WithTokenSource ¶
func WithTokenSource(s oauth2.TokenSource) ClientOption
WithTokenSource returns a ClientOption that specifies an OAuth2 token source to be used as the basis for authentication.
func WithUserAgent ¶
func WithUserAgent(ua string) ClientOption
WithUserAgent returns a ClientOption that sets the User-Agent.