package client import ( "path" "github.com/docker/docker/api/types" "golang.org/x/net/context" ) // Ping pings the server and returns the value of the "Docker-Experimental", "OS-Type" & "API-Version" headers func (cli *Client) Ping(ctx context.Context) (types.Ping, error) { var ping types.Ping req, err := cli.buildRequest("GET", path.Join(cli.basePath, "/_ping"), nil, nil) if err != nil { return ping, err } serverResp, err := cli.doRequest(ctx, req) if err != nil { return ping, err } defer ensureReaderClosed(serverResp) if serverResp.header != nil { ping.APIVersion = serverResp.header.Get("API-Version") if serverResp.header.Get("Docker-Experimental") == "true" { ping.Experimental = true } ping.OSType = serverResp.header.Get("OSType") } return ping, cli.checkResponseErr(serverResp) }