4 "github.com/docker/docker/api/types"
5 "golang.org/x/net/context"
8 // Ping pings the server and returns the value of the "Docker-Experimental", "OS-Type" & "API-Version" headers
9 func (cli *Client) Ping(ctx context.Context) (types.Ping, error) {
11 req, err := cli.buildRequest("GET", cli.basePath+"/_ping", nil, nil)
15 serverResp, err := cli.doRequest(ctx, req)
19 defer ensureReaderClosed(serverResp)
21 if serverResp.header != nil {
22 ping.APIVersion = serverResp.header.Get("API-Version")
24 if serverResp.header.Get("Docker-Experimental") == "true" {
25 ping.Experimental = true
27 ping.OSType = serverResp.header.Get("OSType")
30 err = cli.checkResponseErr(serverResp)