| package client |
| |
| import ( |
| "fmt" |
| |
| "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", fmt.Sprintf("%s/_ping", cli.basePath), 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") |
| } |
| |
| err = cli.checkResponseErr(serverResp) |
| return ping, err |
| } |
