add backup.go file

lib/backup.go

@@ -0,0 +1,43 @@
+package lib
+
+import (
+	"net/url"
+	"sort"
+	"strings"
+)
+
+// BackupSchedule represents a scheduled backup on a server
+// see: server/backup_set_schedule, server/backup_get_schedule
+type BackupSchedule struct {
+	Enabled              bool   `json:"enabled"`
+	CronType             string `json:"cron_type"`
+	NextScheduledTimeUtc string `json:"next_scheduled_time_utc"`
+	Hour                 int    `json:"hour"`
+	Dow                  int    `json:"dow"`
+	Dom                  int    `json:"dom"`
+}
+
+// Backup of a virtual machine
+type Backup struct {
+	ID          string `json:"BACKUPID"`
+	Created     string `json:"date_created"`
+	Description string `json:"description"`
+	Size        string `json:"size"`
+	Status      string `json:"status"`
+}
+
+type backups []Backup
+
+// GetBackups retrieves a list of all backups on Vultr account
+func (c *Client) GetBackups() (backupList []BackupSchedule, err error) {
+	var backupSchedulesMap map[string]BackupSchedule
+	if err := c.get(`backup/list`, &backupSchedulesMap); err != nil {
+		return nil, err
+	}
+
+	for _, backup := range backupSchedulesMap {
+		backupList = append(backupList, backup)
+	}
+	sort.Sort(backups(backupList))
+	return backupList, nil
+}