github.com/flavio/docker@v0.1.3-0.20170117145210-f63d1a6eec47/client/service_update.go (about)

     1  package client
     2  
     3  import (
     4  	"encoding/json"
     5  	"net/url"
     6  	"strconv"
     7  
     8  	"github.com/docker/docker/api/types"
     9  	"github.com/docker/docker/api/types/swarm"
    10  	"golang.org/x/net/context"
    11  )
    12  
    13  // ServiceUpdate updates a Service.
    14  func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
    15  	var (
    16  		headers map[string][]string
    17  		query   = url.Values{}
    18  	)
    19  
    20  	if options.EncodedRegistryAuth != "" {
    21  		headers = map[string][]string{
    22  			"X-Registry-Auth": {options.EncodedRegistryAuth},
    23  		}
    24  	}
    25  
    26  	if options.RegistryAuthFrom != "" {
    27  		query.Set("registryAuthFrom", options.RegistryAuthFrom)
    28  	}
    29  
    30  	query.Set("version", strconv.FormatUint(version.Index, 10))
    31  
    32  	var response types.ServiceUpdateResponse
    33  	resp, err := cli.post(ctx, "/services/"+serviceID+"/update", query, service, headers)
    34  	if err != nil {
    35  		return response, err
    36  	}
    37  
    38  	err = json.NewDecoder(resp.body).Decode(&response)
    39  	ensureReaderClosed(resp)
    40  	return response, err
    41  }