Use buildah commit and bud in podman

Vendor in buildah and use as much of commit and bug as possible for podman
build and commit.

Resolves #586
Signed-off-by: baude <bbaude@redhat.com>

Closes: #681
Approved by: mheon

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
+}