Rick Haan c3814bb258
Check kube-apiserver up on all masters before upgrade (#7193) (#7197)
Only checking the kubernetes api on the first master when upgrading is not enough.
Each master needs to be checked before it's upgrade.

Signed-off-by: Rick Haan <rickhaan94@gmail.com>
2021-01-29 02:33:40 -08:00
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