Improve error when connecting service to network

The error didn't hint at how to resolve it. Google auto-suggest
also implies that people have been Googling this error.

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
(cherry picked from commit 70acb89fa2)
Signed-off-by: Victor Vieux <victorvieux@gmail.com>
This commit is contained in:
Ben Firshman 2016-11-24 14:26:11 +00:00 committed by Victor Vieux
parent 3d27cb3d6f
commit 99e1814731

View file

@ -1767,7 +1767,7 @@ func (c *Cluster) populateNetworkID(ctx context.Context, client swarmapi.Control
apiNetwork, err := getNetwork(ctx, client, n.Target) apiNetwork, err := getNetwork(ctx, client, n.Target)
if err != nil { if err != nil {
if ln, _ := c.config.Backend.FindNetwork(n.Target); ln != nil && !ln.Info().Dynamic() { if ln, _ := c.config.Backend.FindNetwork(n.Target); ln != nil && !ln.Info().Dynamic() {
err = fmt.Errorf("network %s is not eligible for docker services", ln.Name()) err = fmt.Errorf("The network %s cannot be used with services. Only networks scoped to the swarm can be used, such as those created with the overlay driver.", ln.Name())
return apierrors.NewRequestForbiddenError(err) return apierrors.NewRequestForbiddenError(err)
} }
return err return err