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Uncordon the node after upgrade
Previous logic was relying on the node to recreate the node API object and, as a side-effect, uncordon itself. A change went in that no longer ensures the node recreates itself, so the bug in this logic was exposed.
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@ -342,15 +342,21 @@ function do-single-node-upgrade() {
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sleep 1
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done
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# Wait for the node to not have SchedulingDisabled=True and also to have
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# Ready=True.
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# Uncordon the node.
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echo "== Uncordon ${instance}. == " >&2
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local uncordon_rc
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"${KUBE_ROOT}/cluster/kubectl.sh" uncordon "${instance}" \
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&& uncordon_rc=$? || uncordon_rc=$?
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if [[ "${uncordon_rc}" != 0 ]]; then
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echo "== FAILED to uncordon ${instance} =="
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return ${uncordon_rc}
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fi
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# Wait for the node to have Ready=True.
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echo "== Waiting for ${instance} to become ready. ==" >&2
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while true; do
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local cordoned=$("${KUBE_ROOT}/cluster/kubectl.sh" get node "${instance}" --output='jsonpath={.status.conditions[?(@.type == "SchedulingDisabled")].status}')
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local ready=$("${KUBE_ROOT}/cluster/kubectl.sh" get node "${instance}" --output='jsonpath={.status.conditions[?(@.type == "Ready")].status}')
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if [[ "${cordoned}" == 'True' ]]; then
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echo "Node ${instance} is still not ready: SchedulingDisabled=${ready}"
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elif [[ "${ready}" != 'True' ]]; then
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if [[ "${ready}" != 'True' ]]; then
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echo "Node ${instance} is still not ready: Ready=${ready}"
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else
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echo "Node ${instance} Ready=${ready}"
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