ObjectReaction returns a ReactionFunc that applies core.Action to the given tracker.
(tracker ObjectTracker)
| 73 | // ObjectReaction returns a ReactionFunc that applies core.Action to |
| 74 | // the given tracker. |
| 75 | func ObjectReaction(tracker ObjectTracker) ReactionFunc { |
| 76 | return func(action Action) (bool, runtime.Object, error) { |
| 77 | ns := action.GetNamespace() |
| 78 | gvr := action.GetResource() |
| 79 | // Here and below we need to switch on implementation types, |
| 80 | // not on interfaces, as some interfaces are identical |
| 81 | // (e.g. UpdateAction and CreateAction), so if we use them, |
| 82 | // updates and creates end up matching the same case branch. |
| 83 | switch action := action.(type) { |
| 84 | |
| 85 | case ListActionImpl: |
| 86 | obj, err := tracker.List(gvr, action.GetKind(), ns) |
| 87 | return true, obj, err |
| 88 | |
| 89 | case GetActionImpl: |
| 90 | obj, err := tracker.Get(gvr, ns, action.GetName()) |
| 91 | return true, obj, err |
| 92 | |
| 93 | case CreateActionImpl: |
| 94 | objMeta, err := meta.Accessor(action.GetObject()) |
| 95 | if err != nil { |
| 96 | return true, nil, err |
| 97 | } |
| 98 | if action.GetSubresource() == "" { |
| 99 | err = tracker.Create(gvr, action.GetObject(), ns) |
| 100 | } else { |
| 101 | // TODO: Currently we're handling subresource creation as an update |
| 102 | // on the enclosing resource. This works for some subresources but |
| 103 | // might not be generic enough. |
| 104 | err = tracker.Update(gvr, action.GetObject(), ns) |
| 105 | } |
| 106 | if err != nil { |
| 107 | return true, nil, err |
| 108 | } |
| 109 | obj, err := tracker.Get(gvr, ns, objMeta.GetName()) |
| 110 | return true, obj, err |
| 111 | |
| 112 | case UpdateActionImpl: |
| 113 | objMeta, err := meta.Accessor(action.GetObject()) |
| 114 | if err != nil { |
| 115 | return true, nil, err |
| 116 | } |
| 117 | err = tracker.Update(gvr, action.GetObject(), ns) |
| 118 | if err != nil { |
| 119 | return true, nil, err |
| 120 | } |
| 121 | obj, err := tracker.Get(gvr, ns, objMeta.GetName()) |
| 122 | return true, obj, err |
| 123 | |
| 124 | case DeleteActionImpl: |
| 125 | err := tracker.Delete(gvr, ns, action.GetName()) |
| 126 | if err != nil { |
| 127 | return true, nil, err |
| 128 | } |
| 129 | return true, nil, nil |
| 130 | |
| 131 | case PatchActionImpl: |
| 132 | obj, err := tracker.Get(gvr, ns, action.GetName()) |