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kubelet: Don't attempt to apply the oom score if container exited already
Containers could terminate before kubelet applies the oom score. This is normal
and the function should not error out.
This addresses #25844 partially.
/cc @smarterclayton @Random-Liu
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Remove RunInContainer interface in Kubelet Runtime interface
According to #24689, we should merge RunInContainer and ExecInContainer in the container runtime interface.
@yujuhong @kubernetes/sig-node
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Add IPv6 address support for pods - does NOT include services
This allows a container to have an IPv6 address only and extracts the address via nsenter and iproute2 or the docker client directly. An IPv6 address is now correctly reported when describing a pod.
@thockin @kubernetes/sig-network
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WIP v0 NVIDIA GPU support
```release-note
* Alpha support for scheduling pods on machines with NVIDIA GPUs whose kubelets use the `--experimental-nvidia-gpus` flag, using the alpha.kubernetes.io/nvidia-gpu resource
```
Implements part of #24071 for #23587
I am not familiar with the scheduler enough to know what to do with the scores. Mostly punting for now.
Missing items from the implementation plan: limitranger, rkt support, kubectl
support and docs
cc @erictune @davidopp @dchen1107 @vishh @Hui-Zhi @gopinatht
Implements part of #24071
I am not familiar with the scheduler enough to know what to do with the scores. Punting for now.
Missing items from the implementation plan: limitranger, rkt support, kubectl
support and user docs
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Kubelet: Cleanup with new engine api
Finish step 2 of #23563
This PR:
1) Cleanup go-dockerclient reference in the code.
2) Bump up the engine-api version.
3) Cleanup the code with new engine-api.
Fixes#24076.
Fixes#23809.
/cc @yujuhong
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Kubelet: Refactor all but image related functions in DockerInterface
For #23563.
Based on #23699 and #23844.
Only last 3 commits are new. This PR refactored all functions except image related functions, including:
* CreateExec
* StartExec
* InspectExec
* AttachToContainer
* Logs
* Info
* Version
@kubernetes/sig-node
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Kubelet: Refactor container related functions in DockerInterface
For #23563.
Based on #23506, will rebase after #23506 is merged.
The last 4 commits of this PR are new.
This PR refactors all container lifecycle related functions in DockerInterface, including:
* ListContainers
* InspectContainer
* CreateContainer
* StartContainer
* StopContainer
* RemoveContainer
@kubernetes/sig-node
Mount hosts' /etc/hosts, /etc/resolv.conf, set host's hostname
when running the pod in the host's network.
Besides, do not set the DNS flags when running in host's network.
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Kubelet: Remove nsinit related code and bump up minimum docker apiversion
Docker has native exec support after 1.3.x. We never need this code now.
As for the apiversion, because Kubernetes supports 1.8.x - 1.10.x now, we should bump up the minimum docker apiversion.
@yujuhong I checked the [changes](https://github.com/docker/engine-api/blob/master/types/versions/v1p20/types.go), we are not relying on any of those changes. So #23506 should work with docker 1.8.x+
