diff options
Diffstat (limited to 'vendor/github.com/fsouza/go-dockerclient/swarm.go')
-rw-r--r-- | vendor/github.com/fsouza/go-dockerclient/swarm.go | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/vendor/github.com/fsouza/go-dockerclient/swarm.go b/vendor/github.com/fsouza/go-dockerclient/swarm.go new file mode 100644 index 000000000..a257758fc --- /dev/null +++ b/vendor/github.com/fsouza/go-dockerclient/swarm.go @@ -0,0 +1,156 @@ +// Copyright 2016 go-dockerclient authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package docker + +import ( + "context" + "encoding/json" + "errors" + "net/http" + "net/url" + "strconv" + + "github.com/docker/docker/api/types/swarm" +) + +var ( + // ErrNodeAlreadyInSwarm is the error returned by InitSwarm and JoinSwarm + // when the node is already part of a Swarm. + ErrNodeAlreadyInSwarm = errors.New("node already in a Swarm") + + // ErrNodeNotInSwarm is the error returned by LeaveSwarm and UpdateSwarm + // when the node is not part of a Swarm. + ErrNodeNotInSwarm = errors.New("node is not in a Swarm") +) + +// InitSwarmOptions specify parameters to the InitSwarm function. +// See https://goo.gl/hzkgWu for more details. +type InitSwarmOptions struct { + swarm.InitRequest + Context context.Context +} + +// InitSwarm initializes a new Swarm and returns the node ID. +// See https://goo.gl/ZWyG1M for more details. +func (c *Client) InitSwarm(opts InitSwarmOptions) (string, error) { + path := "/swarm/init" + resp, err := c.do("POST", path, doOptions{ + data: opts.InitRequest, + forceJSON: true, + context: opts.Context, + }) + if err != nil { + if e, ok := err.(*Error); ok && (e.Status == http.StatusNotAcceptable || e.Status == http.StatusServiceUnavailable) { + return "", ErrNodeAlreadyInSwarm + } + return "", err + } + defer resp.Body.Close() + var response string + if err := json.NewDecoder(resp.Body).Decode(&response); err != nil { + return "", err + } + return response, nil +} + +// JoinSwarmOptions specify parameters to the JoinSwarm function. +// See https://goo.gl/TdhJWU for more details. +type JoinSwarmOptions struct { + swarm.JoinRequest + Context context.Context +} + +// JoinSwarm joins an existing Swarm. +// See https://goo.gl/N59IP1 for more details. +func (c *Client) JoinSwarm(opts JoinSwarmOptions) error { + path := "/swarm/join" + resp, err := c.do("POST", path, doOptions{ + data: opts.JoinRequest, + forceJSON: true, + context: opts.Context, + }) + if err != nil { + if e, ok := err.(*Error); ok && (e.Status == http.StatusNotAcceptable || e.Status == http.StatusServiceUnavailable) { + return ErrNodeAlreadyInSwarm + } + } + resp.Body.Close() + return err +} + +// LeaveSwarmOptions specify parameters to the LeaveSwarm function. +// See https://goo.gl/UWDlLg for more details. +type LeaveSwarmOptions struct { + Force bool + Context context.Context +} + +// LeaveSwarm leaves a Swarm. +// See https://goo.gl/FTX1aD for more details. +func (c *Client) LeaveSwarm(opts LeaveSwarmOptions) error { + params := make(url.Values) + params.Set("force", strconv.FormatBool(opts.Force)) + path := "/swarm/leave?" + params.Encode() + resp, err := c.do("POST", path, doOptions{ + context: opts.Context, + }) + if err != nil { + if e, ok := err.(*Error); ok && (e.Status == http.StatusNotAcceptable || e.Status == http.StatusServiceUnavailable) { + return ErrNodeNotInSwarm + } + } + resp.Body.Close() + return err +} + +// UpdateSwarmOptions specify parameters to the UpdateSwarm function. +// See https://goo.gl/vFbq36 for more details. +type UpdateSwarmOptions struct { + Version int + RotateWorkerToken bool + RotateManagerToken bool + Swarm swarm.Spec + Context context.Context +} + +// UpdateSwarm updates a Swarm. +// See https://goo.gl/iJFnsw for more details. +func (c *Client) UpdateSwarm(opts UpdateSwarmOptions) error { + params := make(url.Values) + params.Set("version", strconv.Itoa(opts.Version)) + params.Set("rotateWorkerToken", strconv.FormatBool(opts.RotateWorkerToken)) + params.Set("rotateManagerToken", strconv.FormatBool(opts.RotateManagerToken)) + path := "/swarm/update?" + params.Encode() + resp, err := c.do("POST", path, doOptions{ + data: opts.Swarm, + forceJSON: true, + context: opts.Context, + }) + if err != nil { + if e, ok := err.(*Error); ok && (e.Status == http.StatusNotAcceptable || e.Status == http.StatusServiceUnavailable) { + return ErrNodeNotInSwarm + } + } + resp.Body.Close() + return err +} + +// InspectSwarm inspects a Swarm. +// See https://goo.gl/MFwgX9 for more details. +func (c *Client) InspectSwarm(ctx context.Context) (swarm.Swarm, error) { + response := swarm.Swarm{} + resp, err := c.do("GET", "/swarm", doOptions{ + context: ctx, + }) + if err != nil { + if e, ok := err.(*Error); ok && (e.Status == http.StatusNotAcceptable || e.Status == http.StatusServiceUnavailable) { + return response, ErrNodeNotInSwarm + } + return response, err + } + defer resp.Body.Close() + err = json.NewDecoder(resp.Body).Decode(&response) + return response, err +} |