site/plugins.md: document sets and counters

This commit is contained in:
Michael Schubert
2017-04-18 10:16:37 +02:00
committed by Alban Crequy
parent d9b6e81ef6
commit beefec17f2

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@@ -467,6 +467,8 @@ In particular, a node may contain:
- `latest` - an id-value map containing the latest values. Each id has only one value.
- `latestControls` - the latest available controls.
- `metrics` - the collection of metrics to display in the UI. Each metric has multiple timestamped values.
- `sets` - a string->set-of-strings map, for example a list of local networks.
- `counters` - a string->int map.
### Controls
Controls describe interfaces that expose actions that the user can perform on different objects (e.g. host, container, etc.).