141 lines
3.9 KiB
Go
141 lines
3.9 KiB
Go
package godo
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import (
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"context"
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"fmt"
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"net/http"
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)
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const snapshotBasePath = "v2/snapshots"
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// SnapshotsService is an interface for interfacing with the snapshots
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// endpoints of the DigitalOcean API
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// See: https://developers.digitalocean.com/documentation/v2#snapshots
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type SnapshotsService interface {
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List(context.Context, *ListOptions) ([]Snapshot, *Response, error)
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ListVolume(context.Context, *ListOptions) ([]Snapshot, *Response, error)
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ListDroplet(context.Context, *ListOptions) ([]Snapshot, *Response, error)
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Get(context.Context, string) (*Snapshot, *Response, error)
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Delete(context.Context, string) (*Response, error)
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}
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// SnapshotsServiceOp handles communication with the snapshot related methods of the
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// DigitalOcean API.
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type SnapshotsServiceOp struct {
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client *Client
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}
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var _ SnapshotsService = &SnapshotsServiceOp{}
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// Snapshot represents a DigitalOcean Snapshot
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type Snapshot struct {
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ID string `json:"id,omitempty"`
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Name string `json:"name,omitempty"`
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ResourceID string `json:"resource_id,omitempty"`
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ResourceType string `json:"resource_type,omitempty"`
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Regions []string `json:"regions,omitempty"`
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MinDiskSize int `json:"min_disk_size,omitempty"`
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SizeGigaBytes float64 `json:"size_gigabytes,omitempty"`
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Created string `json:"created_at,omitempty"`
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}
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type snapshotRoot struct {
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Snapshot *Snapshot `json:"snapshot"`
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}
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type snapshotsRoot struct {
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Snapshots []Snapshot `json:"snapshots"`
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Links *Links `json:"links,omitempty"`
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}
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type listSnapshotOptions struct {
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ResourceType string `url:"resource_type,omitempty"`
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}
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func (s Snapshot) String() string {
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return Stringify(s)
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}
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// List lists all the snapshots available.
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func (s *SnapshotsServiceOp) List(ctx context.Context, opt *ListOptions) ([]Snapshot, *Response, error) {
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return s.list(ctx, opt, nil)
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}
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// ListDroplet lists all the Droplet snapshots.
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func (s *SnapshotsServiceOp) ListDroplet(ctx context.Context, opt *ListOptions) ([]Snapshot, *Response, error) {
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listOpt := listSnapshotOptions{ResourceType: "droplet"}
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return s.list(ctx, opt, &listOpt)
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}
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// ListVolume lists all the volume snapshots.
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func (s *SnapshotsServiceOp) ListVolume(ctx context.Context, opt *ListOptions) ([]Snapshot, *Response, error) {
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listOpt := listSnapshotOptions{ResourceType: "volume"}
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return s.list(ctx, opt, &listOpt)
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}
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// Get retrieves an snapshot by id.
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func (s *SnapshotsServiceOp) Get(ctx context.Context, snapshotID string) (*Snapshot, *Response, error) {
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return s.get(ctx, snapshotID)
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}
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// Delete an snapshot.
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func (s *SnapshotsServiceOp) Delete(ctx context.Context, snapshotID string) (*Response, error) {
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path := fmt.Sprintf("%s/%s", snapshotBasePath, snapshotID)
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req, err := s.client.NewRequest(ctx, http.MethodDelete, path, nil)
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if err != nil {
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return nil, err
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}
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resp, err := s.client.Do(ctx, req, nil)
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return resp, err
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}
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// Helper method for getting an individual snapshot
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func (s *SnapshotsServiceOp) get(ctx context.Context, ID string) (*Snapshot, *Response, error) {
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path := fmt.Sprintf("%s/%s", snapshotBasePath, ID)
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req, err := s.client.NewRequest(ctx, http.MethodGet, path, nil)
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if err != nil {
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return nil, nil, err
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}
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root := new(snapshotRoot)
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resp, err := s.client.Do(ctx, req, root)
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if err != nil {
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return nil, resp, err
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}
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return root.Snapshot, resp, err
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}
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// Helper method for listing snapshots
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func (s *SnapshotsServiceOp) list(ctx context.Context, opt *ListOptions, listOpt *listSnapshotOptions) ([]Snapshot, *Response, error) {
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path := snapshotBasePath
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path, err := addOptions(path, opt)
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if err != nil {
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return nil, nil, err
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}
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path, err = addOptions(path, listOpt)
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if err != nil {
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return nil, nil, err
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}
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req, err := s.client.NewRequest(ctx, http.MethodGet, path, nil)
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if err != nil {
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return nil, nil, err
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}
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root := new(snapshotsRoot)
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resp, err := s.client.Do(ctx, req, root)
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if err != nil {
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return nil, resp, err
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}
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if l := root.Links; l != nil {
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resp.Links = l
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}
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return root.Snapshots, resp, err
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}
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