Commits on Mar 26, 2020

1. Change default kube-system DaemonSet tolerations …

   * Change kube-proxy, flannel, and calico-node DaemonSet
   tolerations to tolerate `node.kubernetes.io/not-ready`
   and `node-role.kubernetes.io/master` (i.e. controllers)
   explicitly, rather than tolerating all taints
   * kube-system DaemonSets will no longer tolerate custom
   node taints by default. Instead, custom node taints must
   be enumerated to opt-in to scheduling/executing the
   kube-system DaemonSets.
   
   Background: Tolerating all taints ruled out use-cases
   where certain nodes might legitimately need to keep
   kube-proxy or CNI networking disabled

   

   dghubble committed Mar 26, 2020
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