Improve Taints and Tolerations example

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Léopold Jacquot 2020-11-19 22:17:34 +01:00 committed by GitHub
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@ -32,15 +32,15 @@ You add a taint to a node using [kubectl taint](/docs/reference/generated/kubect
For example,
```shell
kubectl taint nodes node1 key=value:NoSchedule
kubectl taint nodes node1 key1=value1:NoSchedule
```
places a taint on node `node1`. The taint has key `key`, value `value`, and taint effect `NoSchedule`.
places a taint on node `node1`. The taint has key `key1`, value `value1`, and taint effect `NoSchedule`.
This means that no pod will be able to schedule onto `node1` unless it has a matching toleration.
To remove the taint added by the command above, you can run:
```shell
kubectl taint nodes node1 key=value:NoSchedule-
kubectl taint nodes node1 key1=value1:NoSchedule-
```
You specify a toleration for a pod in the PodSpec. Both of the following tolerations "match" the
@ -49,15 +49,15 @@ to schedule onto `node1`:
```yaml
tolerations:
- key: "key"
- key: "key1"
operator: "Equal"
value: "value"
value: "value1"
effect: "NoSchedule"
```
```yaml
tolerations:
- key: "key"
- key: "key1"
operator: "Exists"
effect: "NoSchedule"
```
@ -80,7 +80,7 @@ There are two special cases:
An empty `key` with operator `Exists` matches all keys, values and effects which means this
will tolerate everything.
An empty `effect` matches all effects with key `key`.
An empty `effect` matches all effects with key `key1`.
{{< /note >}}