dotcloud/docker

package client // import "github.com/docker/docker/client"

import (
    "context"
    "net/url"

    "github.com/docker/docker/api/types/swarm"
)

// ConfigUpdate attempts to update a config
func (cli *Client) ConfigUpdate(ctx context.Context, id string, version swarm.Version, config swarm.ConfigSpec) error {
    if err := cli.NewVersionError(ctx, "1.30", "config update"); err != nil {
        return err
    }
    query := url.Values{}
    query.Set("version", version.String())
    resp, err := cli.post(ctx, "/configs/"+id+"/update", query, config, nil)
    ensureReaderClosed(resp)
    return err
}