@@ -1,12 +1,20 @@

 package swarm // import "github.com/docker/docker/api/types/swarm"

-import "time"

+import (

+	"strconv"

+	"time"

+)

 // Version represents the internal object version.

 type Version struct {

 	Index uint64 `json:",omitempty"`

 }

+// String implements fmt.Stringer interface.

+func (v Version) String() string {

+	return strconv.FormatUint(v.Index, 10)

+}

+

 // Meta is a base object inherited by most of the other once.

 type Meta struct {

 	Version   Version   `json:",omitempty"`

@@ -3,7 +3,6 @@ package client // import "github.com/docker/docker/client"

 import (

 	"context"

 	"net/url"

-	"strconv"

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

 )

@@ -14,7 +13,7 @@ func (cli *Client) ConfigUpdate(ctx context.Context, id string, version swarm.Ve

 		return err

 	}

 	query := url.Values{}

-	query.Set("version", strconv.FormatUint(version.Index, 10))

+	query.Set("version", version.String())

 	resp, err := cli.post(ctx, "/configs/"+id+"/update", query, config, nil)

 	ensureReaderClosed(resp)

 	return err

@@ -3,7 +3,6 @@ package client // import "github.com/docker/docker/client"

 import (

 	"context"

 	"net/url"

-	"strconv"

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

 )

@@ -11,7 +10,7 @@ import (

 // NodeUpdate updates a Node.

 func (cli *Client) NodeUpdate(ctx context.Context, nodeID string, version swarm.Version, node swarm.NodeSpec) error {

 	query := url.Values{}

-	query.Set("version", strconv.FormatUint(version.Index, 10))

+	query.Set("version", version.String())

 	resp, err := cli.post(ctx, "/nodes/"+nodeID+"/update", query, node, nil)

 	ensureReaderClosed(resp)

 	return err

@@ -3,7 +3,6 @@ package client // import "github.com/docker/docker/client"

 import (

 	"context"

 	"net/url"

-	"strconv"

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

 )

@@ -14,7 +13,7 @@ func (cli *Client) SecretUpdate(ctx context.Context, id string, version swarm.Ve

 		return err

 	}

 	query := url.Values{}

-	query.Set("version", strconv.FormatUint(version.Index, 10))

+	query.Set("version", version.String())

 	resp, err := cli.post(ctx, "/secrets/"+id+"/update", query, secret, nil)

 	ensureReaderClosed(resp)

 	return err

@@ -4,7 +4,6 @@ import (

 	"context"

 	"encoding/json"

 	"net/url"

-	"strconv"

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

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

@@ -35,7 +34,7 @@ func (cli *Client) ServiceUpdate(ctx context.Context, serviceID string, version

 		query.Set("rollback", options.Rollback)

 	}

-	query.Set("version", strconv.FormatUint(version.Index, 10))

+	query.Set("version", version.String())

 	if err := validateServiceSpec(service); err != nil {

 		return response, err

@@ -2,7 +2,6 @@ package client // import "github.com/docker/docker/client"

 import (

 	"context"

-	"fmt"

 	"net/url"

 	"strconv"

@@ -12,10 +11,10 @@ import (

 // SwarmUpdate updates the swarm.

 func (cli *Client) SwarmUpdate(ctx context.Context, version swarm.Version, swarm swarm.Spec, flags swarm.UpdateFlags) error {

 	query := url.Values{}

-	query.Set("version", strconv.FormatUint(version.Index, 10))

-	query.Set("rotateWorkerToken", fmt.Sprintf("%v", flags.RotateWorkerToken))

-	query.Set("rotateManagerToken", fmt.Sprintf("%v", flags.RotateManagerToken))

-	query.Set("rotateManagerUnlockKey", fmt.Sprintf("%v", flags.RotateManagerUnlockKey))

+	query.Set("version", version.String())

+	query.Set("rotateWorkerToken", strconv.FormatBool(flags.RotateWorkerToken))

+	query.Set("rotateManagerToken", strconv.FormatBool(flags.RotateManagerToken))

+	query.Set("rotateManagerUnlockKey", strconv.FormatBool(flags.RotateManagerUnlockKey))

 	resp, err := cli.post(ctx, "/swarm/update", query, swarm, nil)

 	ensureReaderClosed(resp)

 	return err

@@ -3,7 +3,6 @@ package client // import "github.com/docker/docker/client"

 import (

 	"context"

 	"net/url"

-	"strconv"

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

 	"github.com/docker/docker/api/types/volume"

@@ -17,7 +16,7 @@ func (cli *Client) VolumeUpdate(ctx context.Context, volumeID string, version sw

 	}

 	query := url.Values{}

-	query.Set("version", strconv.FormatUint(version.Index, 10))

+	query.Set("version", version.String())

 	resp, err := cli.put(ctx, "/volumes/"+volumeID, query, options, nil)

 	ensureReaderClosed(resp)