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moby--moby/client/ping.go
Aaron Lehmann 44c9ccc069 client: Use string concatenation instead of Sprintf
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2017-06-02 14:01:57 +02:00

30 lines
741 B
Go

package client
import (
"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", 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)
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, nil
}