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client: Expose DaemonHost to client users

This commit exposes `Client.host` as `Client.DaemonHost()`
This allows users of the client, a CLI for example, to query the Host
that the client is attempting to contact and vary their behaviour
accordingly. For example, to allow client-side configuration of
HTTP proxy settings for a number of different docker hosts.

Signed-off-by: Dave Tucker <dt@docker.com>

Dave Tucker authored on 2017/05/17 23:46:15
Showing 2 changed files

client/client.go

History View file @ 6ce6ae1

@@ -247,6 +247,12 @@ func (cli *Client) UpdateClientVersion(v string) {
+                     }
                     +// DaemonHost returns the host associated with this instance of the Client.
                     +// This operation doesn't acquire a mutex.
                     +func (cli *Client) DaemonHost() string {
                     +	return cli.host
                     +}
+                    +
                      // ParseHost verifies that the given host strings is valid.
                      func ParseHost(host string) (string, string, string, error) {
                      	protoAddrParts := strings.SplitN(host, "://", 2)

client/interface.go

History View file @ 6ce6ae1

@@ -31,6 +31,7 @@ type CommonAPIClient interface {
                      	SystemAPIClient
                      	VolumeAPIClient
                      	ClientVersion() string
                     +	DaemonHost() string
                      	ServerVersion(ctx context.Context) (types.Version, error)
                      	UpdateClientVersion(v string)
+                     }