Change "rotate_worker_token" to "rotateWorkerToken"

This renames the `rotate_xxx` flags to camelBack, for
consistency with other API query-params, such as
`detachKeys`, `noOverwriteDirNonDir`, and `fromImage`.

Also makes this flag accept a wider range of boolean
values ("0", "1", "true", "false"), and throw an error
if an invalid value is passed.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit bd81df12780b0765e55582574eaa2a125adf65fa)
Signed-off-by: Tibor Vass <tibor@docker.com>

api/server/router/swarm/cluster_routes.go

@@ -67,11 +67,23 @@ func (sr *swarmRouter) updateCluster(ctx context.Context, w http.ResponseWriter,
 	}
 
 	var flags types.UpdateFlags
-	if r.URL.Query().Get("rotate_worker_token") == "true" {
-		flags.RotateWorkerToken = true
+
+	if value := r.URL.Query().Get("rotateWorkerToken"); value != "" {
+		rot, err := strconv.ParseBool(value)
+		if err != nil {
+			return fmt.Errorf("invalid value for rotateWorkerToken: %s", value)
+		}
+
+		flags.RotateWorkerToken = rot
 	}
-	if r.URL.Query().Get("rotate_manager_token") == "true" {
-		flags.RotateManagerToken = true
+
+	if value := r.URL.Query().Get("rotateManagerToken"); value != "" {
+		rot, err := strconv.ParseBool(value)
+		if err != nil {
+			return fmt.Errorf("invalid value for rotateManagerToken: %s", value)
+		}
+
+		flags.RotateManagerToken = rot
 	}
 
 	if err := sr.backend.Update(version, swarm, flags); err != nil {

docs/reference/api/docker_remote_api_v1.24.md

@@ -3751,8 +3751,8 @@ Update a Swarm
 
 - **version** – The version number of the swarm object being updated. This is
   required to avoid conflicting writes.
-- **rotate_worker_token** - Set to `true` to rotate the worker join token.
-- **rotate_manager_token** - Set to `true` to rotate the manager join token.
+- **rotateWorkerToken** - Set to `true` (or `1`) to rotate the worker join token.
+- **rotateManagerToken** - Set to `true` (or `1`) to rotate the manager join token.
 
 **Status codes**:
 

integration-cli/daemon_swarm.go

@@ -270,7 +270,7 @@ func (d *SwarmDaemon) rotateTokens(c *check.C) {
 	c.Assert(status, checker.Equals, http.StatusOK, check.Commentf("output: %q", string(out)))
 	c.Assert(json.Unmarshal(out, &sw), checker.IsNil)
 
-	url := fmt.Sprintf("/swarm/update?version=%d&rotate_worker_token=true&rotate_manager_token=true", sw.Version.Index)
+	url := fmt.Sprintf("/swarm/update?version=%d&rotateWorkerToken=true&rotateManagerToken=true", sw.Version.Index)
 	status, out, err = d.SockRequest("POST", url, sw.Spec)
 	c.Assert(err, checker.IsNil)
 	c.Assert(status, checker.Equals, http.StatusOK, check.Commentf("output: %q", string(out)))