github.com/coreos/docker@v1.13.1/client/ping.go (about) 1 package client 2 3 import ( 4 "fmt" 5 6 "github.com/docker/docker/api/types" 7 "golang.org/x/net/context" 8 ) 9 10 // Ping pings the server and return the value of the "Docker-Experimental" & "API-Version" headers 11 func (cli *Client) Ping(ctx context.Context) (types.Ping, error) { 12 var ping types.Ping 13 req, err := cli.buildRequest("GET", fmt.Sprintf("%s/_ping", cli.basePath), nil, nil) 14 if err != nil { 15 return ping, err 16 } 17 serverResp, err := cli.doRequest(ctx, req) 18 if err != nil { 19 return ping, err 20 } 21 defer ensureReaderClosed(serverResp) 22 23 ping.APIVersion = serverResp.header.Get("API-Version") 24 25 if serverResp.header.Get("Docker-Experimental") == "true" { 26 ping.Experimental = true 27 } 28 29 return ping, nil 30 }