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Merge pull request #63616 from krousey/node-upgrade

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Automatic merge from submit-queue (batch tested with PRs 62665, 62194, 63616, 63672, 63450). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Uncordon the node after upgrade

**What this PR does / why we need it**:
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.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #63506

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

cc @dchen1107 @AishSundar
This commit is contained in:
Kubernetes Submit Queue 2018-05-10 12:56:20 -07:00 committed by GitHub
commit 1fe589fbb7
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1 changed files with 12 additions and 6 deletions
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18
cluster/gce/upgrade.sh
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@ -342,15 +342,21 @@ function do-single-node-upgrade() {
sleep 1
done
# Wait for the node to not have SchedulingDisabled=True and also to have
# Ready=True.
# Uncordon the node.
echo "== Uncordon ${instance}. == " >&2
local uncordon_rc
"${KUBE_ROOT}/cluster/kubectl.sh" uncordon "${instance}" \
&& uncordon_rc=$? || uncordon_rc=$?
if [[ "${uncordon_rc}" != 0 ]]; then
echo "== FAILED to uncordon ${instance} =="
return ${uncordon_rc}
fi
# Wait for the node to have Ready=True.
echo "== Waiting for ${instance} to become ready. ==" >&2
while true; do
local cordoned=$("${KUBE_ROOT}/cluster/kubectl.sh" get node "${instance}" --output='jsonpath={.status.conditions[?(@.type == "SchedulingDisabled")].status}')
local ready=$("${KUBE_ROOT}/cluster/kubectl.sh" get node "${instance}" --output='jsonpath={.status.conditions[?(@.type == "Ready")].status}')
if [[ "${cordoned}" == 'True' ]]; then
echo "Node ${instance} is still not ready: SchedulingDisabled=${ready}"
elif [[ "${ready}" != 'True' ]]; then
if [[ "${ready}" != 'True' ]]; then
echo "Node ${instance} is still not ready: Ready=${ready}"
else
echo "Node ${instance} Ready=${ready}"