GetInstance gets an instance by the resource_id.
(ctx context.Context, find *FindInstanceMessage)
| 55 | |
| 56 | // GetInstance gets an instance by the resource_id. |
| 57 | func (s *Store) GetInstance(ctx context.Context, find *FindInstanceMessage) (*InstanceMessage, error) { |
| 58 | if find.ResourceID != nil { |
| 59 | if v, ok := s.instanceCache.Get(getInstanceCacheKey(*find.ResourceID)); ok && s.enableCache { |
| 60 | return v, nil |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | // We will always return the resource regardless of its deleted state. |
| 65 | find.ShowDeleted = true |
| 66 | |
| 67 | instances, err := s.ListInstances(ctx, find) |
| 68 | if err != nil { |
| 69 | return nil, errors.Wrapf(err, "failed to list instances with find instance message %+v", find) |
| 70 | } |
| 71 | if len(instances) == 0 { |
| 72 | return nil, nil |
| 73 | } |
| 74 | if len(instances) > 1 { |
| 75 | return nil, errors.Errorf("find %d instances with find instance message %+v, expected 1", len(instances), find) |
| 76 | } |
| 77 | |
| 78 | instance := instances[0] |
| 79 | s.instanceCache.Add(getInstanceCacheKey(instance.ResourceID), instance) |
| 80 | return instance, nil |
| 81 | } |
| 82 | |
| 83 | // ListInstances lists all instance. |
| 84 | func (s *Store) ListInstances(ctx context.Context, find *FindInstanceMessage) ([]*InstanceMessage, error) { |
no test coverage detected