Files
docker-cli/components/engine/client/ping.go
Aaron Lehmann 6f84604b78 client: Use string concatenation instead of Sprintf
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
Upstream-commit: 44c9ccc069c1bfda25ad6fb5932eeeceaa8de491
Component: engine
2017-06-02 14:01:57 +02:00

31 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
}