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Fix SELinux race condition on non-bootstrap controllers in multi-controller (#808)

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* Fix race condition for bootstrap-secrets SELinux context on non-bootstrap controllers in multi-controller FCOS clusters
* On first boot from disk on non-bootstrap controllers, adding bootstrap-secrets races with kubelet.service starting, which can cause the secrets assets to have the wrong label until kubelet.service restarts (service, reboot, auto-update)
* This can manifest as `kube-apiserver`, `kube-controller-manager`, and `kube-scheduler` pods crashlooping on spare controllers on first cluster creation
This commit is contained in:
Bo Huang
2020-08-19 21:18:10 -07:00
committed by GitHub
parent 9a07f1d30b
commit aafa38476a
6 changed files with 10 additions and 1 deletions
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1
bare-metal/fedora-coreos/kubernetes/fcc/controller.yaml
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@ -170,6 +170,7 @@ storage:
mv manifests /opt/bootstrap/assets/manifests
mv manifests-networking/* /opt/bootstrap/assets/manifests/
rm -rf assets auth static-manifests tls manifests-networking
chcon -R -u system_u -t container_file_t /etc/kubernetes/bootstrap-secrets
- path: /opt/bootstrap/apply
mode: 0544
contents: