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moby--moby/client/service_update.go

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package client
import (
"encoding/json"
"net/url"
"strconv"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"golang.org/x/net/context"
)
// ServiceUpdate updates a Service.
func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
var (
headers map[string][]string
query = url.Values{}
)
if options.EncodedRegistryAuth != "" {
headers = map[string][]string{
"X-Registry-Auth": {options.EncodedRegistryAuth},
}
}
if options.RegistryAuthFrom != "" {
query.Set("registryAuthFrom", options.RegistryAuthFrom)
}
if options.Rollback != "" {
query.Set("rollback", options.Rollback)
}
query.Set("version", strconv.FormatUint(version.Index, 10))
var response types.ServiceUpdateResponse
resp, err := cli.post(ctx, "/services/"+serviceID+"/update", query, service, headers)
if err != nil {
return response, err
}
err = json.NewDecoder(resp.body).Decode(&response)
ensureReaderClosed(resp)
return response, err
}