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Merge pull request #31912 from AkihiroSuda/ovl-on-non-swarm

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improve error of `docker network create -d overlay` on non-Swarm node
This commit is contained in:
Vincent Demeester 2017-04-24 17:20:48 +02:00 • committed by GitHub
commit f9311c52ce
1 changed files with 3 additions and 0 deletions
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3
daemon/network.go
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@ -335,6 +335,9 @@ func (daemon *Daemon) createNetwork(create types.NetworkCreateRequest, id string
n, err := c.NewNetwork(driver, create.Name, id, nwOptions...)
if err != nil {
if _, ok := err.(libnetwork.ErrDataStoreNotInitialized); ok {
return nil, errors.New("This node is not a swarm manager. Use \"docker swarm init\" or \"docker swarm join\" to connect this node to swarm and try again.")
}
return nil, err
}