Digitalocean provider (#171)

* Implement Digitalocean provider
* Vendor digitalocean lib
* Enable SRV for Digitalocean and fix the tests
* Test cname etc. records pointing to the same domain

vendor/github.com/digitalocean/godo/action.go

@@ -0,0 +1,105 @@
+package godo
+
+import (
+	"fmt"
+	"net/http"
+
+	"github.com/digitalocean/godo/context"
+)
+
+const (
+	actionsBasePath = "v2/actions"
+
+	// ActionInProgress is an in progress action status
+	ActionInProgress = "in-progress"
+
+	//ActionCompleted is a completed action status
+	ActionCompleted = "completed"
+)
+
+// ActionsService handles communction with action related methods of the
+// DigitalOcean API: https://developers.digitalocean.com/documentation/v2#actions
+type ActionsService interface {
+	List(context.Context, *ListOptions) ([]Action, *Response, error)
+	Get(context.Context, int) (*Action, *Response, error)
+}
+
+// ActionsServiceOp handles communition with the image action related methods of the
+// DigitalOcean API.
+type ActionsServiceOp struct {
+	client *Client
+}
+
+var _ ActionsService = &ActionsServiceOp{}
+
+type actionsRoot struct {
+	Actions []Action `json:"actions"`
+	Links   *Links   `json:"links"`
+}
+
+type actionRoot struct {
+	Event *Action `json:"action"`
+}
+
+// Action represents a DigitalOcean Action
+type Action struct {
+	ID           int        `json:"id"`
+	Status       string     `json:"status"`
+	Type         string     `json:"type"`
+	StartedAt    *Timestamp `json:"started_at"`
+	CompletedAt  *Timestamp `json:"completed_at"`
+	ResourceID   int        `json:"resource_id"`
+	ResourceType string     `json:"resource_type"`
+	Region       *Region    `json:"region,omitempty"`
+	RegionSlug   string     `json:"region_slug,omitempty"`
+}
+
+// List all actions
+func (s *ActionsServiceOp) List(ctx context.Context, opt *ListOptions) ([]Action, *Response, error) {
+	path := actionsBasePath
+	path, err := addOptions(path, opt)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	req, err := s.client.NewRequest(ctx, http.MethodGet, path, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	root := new(actionsRoot)
+	resp, err := s.client.Do(ctx, req, root)
+	if err != nil {
+		return nil, resp, err
+	}
+	if l := root.Links; l != nil {
+		resp.Links = l
+	}
+
+	return root.Actions, resp, err
+}
+
+// Get an action by ID.
+func (s *ActionsServiceOp) Get(ctx context.Context, id int) (*Action, *Response, error) {
+	if id < 1 {
+		return nil, nil, NewArgError("id", "cannot be less than 1")
+	}
+
+	path := fmt.Sprintf("%s/%d", actionsBasePath, id)
+	req, err := s.client.NewRequest(ctx, http.MethodGet, path, nil)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	root := new(actionRoot)
+	resp, err := s.client.Do(ctx, req, root)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return root.Event, resp, err
+}
+
+func (a Action) String() string {
+	return Stringify(a)
+}