diff options
Diffstat (limited to 'vendor/github.com/fsouza/go-dockerclient/swarm_node.go')
-rw-r--r-- | vendor/github.com/fsouza/go-dockerclient/swarm_node.go | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/vendor/github.com/fsouza/go-dockerclient/swarm_node.go b/vendor/github.com/fsouza/go-dockerclient/swarm_node.go new file mode 100644 index 000000000..095653cd9 --- /dev/null +++ b/vendor/github.com/fsouza/go-dockerclient/swarm_node.go @@ -0,0 +1,130 @@ +// 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" + "net/http" + "net/url" + "strconv" + + "github.com/docker/docker/api/types/swarm" +) + +// NoSuchNode is the error returned when a given node does not exist. +type NoSuchNode struct { + ID string + Err error +} + +func (err *NoSuchNode) Error() string { + if err.Err != nil { + return err.Err.Error() + } + return "No such node: " + err.ID +} + +// ListNodesOptions specify parameters to the ListNodes function. +// +// See http://goo.gl/3K4GwU for more details. +type ListNodesOptions struct { + Filters map[string][]string + Context context.Context +} + +// ListNodes returns a slice of nodes matching the given criteria. +// +// See http://goo.gl/3K4GwU for more details. +func (c *Client) ListNodes(opts ListNodesOptions) ([]swarm.Node, error) { + path := "/nodes?" + queryString(opts) + resp, err := c.do("GET", path, doOptions{context: opts.Context}) + if err != nil { + return nil, err + } + defer resp.Body.Close() + var nodes []swarm.Node + if err := json.NewDecoder(resp.Body).Decode(&nodes); err != nil { + return nil, err + } + return nodes, nil +} + +// InspectNode returns information about a node by its ID. +// +// See http://goo.gl/WjkTOk for more details. +func (c *Client) InspectNode(id string) (*swarm.Node, error) { + resp, err := c.do("GET", "/nodes/"+id, doOptions{}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return nil, &NoSuchNode{ID: id} + } + return nil, err + } + defer resp.Body.Close() + var node swarm.Node + if err := json.NewDecoder(resp.Body).Decode(&node); err != nil { + return nil, err + } + return &node, nil +} + +// UpdateNodeOptions specify parameters to the NodeUpdate function. +// +// See http://goo.gl/VPBFgA for more details. +type UpdateNodeOptions struct { + swarm.NodeSpec + Version uint64 + Context context.Context +} + +// UpdateNode updates a node. +// +// See http://goo.gl/VPBFgA for more details. +func (c *Client) UpdateNode(id string, opts UpdateNodeOptions) error { + params := make(url.Values) + params.Set("version", strconv.FormatUint(opts.Version, 10)) + path := "/nodes/" + id + "/update?" + params.Encode() + resp, err := c.do("POST", path, doOptions{ + context: opts.Context, + forceJSON: true, + data: opts.NodeSpec, + }) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchNode{ID: id} + } + return err + } + resp.Body.Close() + return nil +} + +// RemoveNodeOptions specify parameters to the RemoveNode function. +// +// See http://goo.gl/0SNvYg for more details. +type RemoveNodeOptions struct { + ID string + Force bool + Context context.Context +} + +// RemoveNode removes a node. +// +// See http://goo.gl/0SNvYg for more details. +func (c *Client) RemoveNode(opts RemoveNodeOptions) error { + params := make(url.Values) + params.Set("force", strconv.FormatBool(opts.Force)) + path := "/nodes/" + opts.ID + "?" + params.Encode() + resp, err := c.do("DELETE", path, doOptions{context: opts.Context}) + if err != nil { + if e, ok := err.(*Error); ok && e.Status == http.StatusNotFound { + return &NoSuchNode{ID: opts.ID} + } + return err + } + resp.Body.Close() + return nil +} |