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Merge pull request #2777 from gyliu513/node-controller

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Updated node controller for taints and tolerations.
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Andrew Chen
2017-03-21 16:50:31 -07:00
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parent d410008343 ce87af7f3b
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@@ -165,6 +165,13 @@ completely unhealthy (i.e. there are no healthy nodes in the cluster). In such
case, the node controller assumes that there's some problem with master case, the node controller assumes that there's some problem with master
connectivity and stops all evictions until some connectivity is restored. connectivity and stops all evictions until some connectivity is restored.
Starting in Kubernetes 1.6, the NodeController is also responsible for evicting
pods that are running on nodes with `NoExecute` taints, when the pods do not tolerate
the taints. Additionally, as an alpha feature that is disabled by default, the
NodeController is responsible for adding taints corresponding to node problems like
node unreachable or not ready. See [this documentation](/docs/user-guide/node-selection/index.md#taints-and-tolerations-beta-feature)
for details about `NoExecute` taints and the alpha feature.
### Self-Registration of Nodes ### Self-Registration of Nodes
When the kubelet flag `--register-node` is true (the default), the kubelet will attempt to When the kubelet flag `--register-node` is true (the default), the kubelet will attempt to