Add constraints to pod spec#80
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Signed-off-by: Martin Kennelly <martin.kennelly@intel.com>
Signed-off-by: Martin Kennelly <martin.kennelly@intel.com>
Containers without memory limits are more likely to be terminated when the node runs out of memory. Containers without cpu limits can exceed the capacity of the node, and affect availability /performance of the host and other containers. Signed-off-by: Martin Kennelly <martin.kennelly@intel.com>
Signed-off-by: Kennelly, Martin <martin.kennelly@intel.com>
zenghui-shi
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Apr 8, 2021
| securityContext: | ||
| runAsUser: 10000 | ||
| runAsGroup: 10000 | ||
| runAsNonRoot: true |
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Does runAsNonRoot require setting nonRoot user in Dockerfile?
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@zshi-redhat Unfortunately, it seems that it does for NRI. I tried to remove both of the runAsUser and runAsGroup and I got the following error:
Error: container has runAsNonRoot and image will run as root
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@martinkennelly IIUC, we need to update Dockerfile to use non-root user, right?
If yes, would you mind updating the Dockerfile in this PR?
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@zshi-redhat Good idea. I tried it but it failed with k8 validation:
container has runAsNonRoot and image has non-numeric user (%s), cannot verify user is non-root
See the runAsNonRoot validate here: https://github.com/kubernetes/kubernetes/blob/5648200571889140ad246feb82c8f80a5946f167/pkg/kubelet/kuberuntime/security_context.go#L91
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Small changes to pod spec to improve security
See commits.
I wanted to group
allowPrivilegeEscalation&readOnlyRootFilesystemat the "pod level"securityContext(ln 23) but it will not allow me.