Switch to official Vultr API library (#529)

* vultr: Switched to official API library (closes #528)

* vultr: Renamed vultr.VultrApi to vultr.Provider

* vendor: Updated govultr

vendor/github.com/vultr/govultr/iso.go

@@ -0,0 +1,142 @@
+package govultr
+
+import (
+	"context"
+	"net/http"
+	"net/url"
+	"strconv"
+)
+
+// ISOService is the interface to interact with the ISO endpoints on the Vultr API
+// Link: https://www.vultr.com/api/#ISO
+type ISOService interface {
+	CreateFromURL(ctx context.Context, ISOURL string) (*ISO, error)
+	Delete(ctx context.Context, ISOID int) error
+	List(ctx context.Context) ([]ISO, error)
+	GetPublicList(ctx context.Context) ([]PublicISO, error)
+}
+
+// ISOServiceHandler handles interaction with the ISO methods for the Vultr API
+type ISOServiceHandler struct {
+	Client *Client
+}
+
+// ISO represents ISOs currently available on this account.
+type ISO struct {
+	ISOID       int    `json:"ISOID"`
+	DateCreated string `json:"date_created"`
+	FileName    string `json:"filename"`
+	Size        int    `json:"size"`
+	MD5Sum      string `json:"md5sum"`
+	SHA512Sum   string `json:"sha512sum"`
+	Status      string `json:"status"`
+}
+
+// PublicISO represents public ISOs offered in the Vultr ISO library.
+type PublicISO struct {
+	ISOID       int    `json:"ISOID"`
+	Name        string `json:"name"`
+	Description string `json:"description"`
+}
+
+// CreateFromURL will create a new ISO image on your account
+func (i *ISOServiceHandler) CreateFromURL(ctx context.Context, ISOURL string) (*ISO, error) {
+
+	uri := "/v1/iso/create_from_url"
+
+	values := url.Values{
+		"url": {ISOURL},
+	}
+
+	req, err := i.Client.NewRequest(ctx, http.MethodPost, uri, values)
+
+	if err != nil {
+		return nil, err
+	}
+
+	iso := new(ISO)
+	err = i.Client.DoWithContext(ctx, req, iso)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return iso, nil
+}
+
+// Delete will delete an ISO image from your account
+func (i *ISOServiceHandler) Delete(ctx context.Context, isoID int) error {
+
+	uri := "/v1/iso/destroy"
+
+	values := url.Values{
+		"ISOID": {strconv.Itoa(isoID)},
+	}
+
+	req, err := i.Client.NewRequest(ctx, http.MethodPost, uri, values)
+
+	if err != nil {
+		return err
+	}
+
+	err = i.Client.DoWithContext(ctx, req, nil)
+
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// List will list all ISOs currently available on your account
+func (i *ISOServiceHandler) List(ctx context.Context) ([]ISO, error) {
+
+	uri := "/v1/iso/list"
+
+	req, err := i.Client.NewRequest(ctx, http.MethodGet, uri, nil)
+
+	if err != nil {
+		return nil, err
+	}
+
+	var ISOMap map[string]ISO
+	err = i.Client.DoWithContext(ctx, req, &ISOMap)
+
+	if err != nil {
+		return nil, err
+	}
+
+	var iso []ISO
+	for _, i := range ISOMap {
+		iso = append(iso, i)
+	}
+
+	return iso, nil
+}
+
+// GetPublicList will list public ISOs offered in the Vultr ISO library.
+func (i *ISOServiceHandler) GetPublicList(ctx context.Context) ([]PublicISO, error) {
+
+	uri := "/v1/iso/list_public"
+
+	req, err := i.Client.NewRequest(ctx, http.MethodGet, uri, nil)
+
+	if err != nil {
+		return nil, err
+	}
+
+	var ISOMap map[string]PublicISO
+	err = i.Client.DoWithContext(ctx, req, &ISOMap)
+
+	if err != nil {
+		return nil, err
+	}
+
+	var publicISO []PublicISO
+
+	for _, p := range ISOMap {
+		publicISO = append(publicISO, p)
+	}
+
+	return publicISO, nil
+}