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Fix devices information struct in container
So far nowhere use the ```Devices``` which in ```RunContainerOptions```. But when I want to use it, found that it could be better if change it, because Devices in container is like:
```json
"Devices": [
{
"PathOnHost": "/dev/nvidiactl",
"PathInContainer": "/dev/nvidiactl",
"CgroupPermissions": "mrw"
},
{
"PathOnHost": "/dev/nvidia-uvm",
"PathInContainer": "/dev/nvidia-uvm",
"CgroupPermissions": "mrw"
},
{
"PathOnHost": "/dev/nvidia0",
"PathInContainer": "/dev/nvidia0",
"CgroupPermissions": "mrw"
}
],
```
This allows runtimes in different packages (dockertools, rkt, kuberuntime) to
share the same logic. Before this change, only dockertools support this
feature. Now all three packages support image pull throttling.
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Instruct PLEG to detect pod sandbox state changes
This PR adds a Sandboxes list in `kubecontainer.Pod`, so that PLEG can check
sandbox changes using `GetPods()` . The sandboxes are treated as regular
containers (type `kubecontainer.Container`) for now to avoid additional
changes in PLEG.
/cc @feiskyer @yifan-gu @euank
PLEG will treat them as if they are regular containers and detect changes the
same manner. Note that this makes an assumption that container IDs will not
collide with the podsandbox IDs.
So that at most one volume object will be created for every unique
host path. Also the volume's name is random generated UUID to avoid
collision since the mount point's name passed by kubelet is not
guaranteed to be unique when 'subpath' is specified.
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Add a docker-shim package
Add a new docker integration with kubelet using the new runtime API.
This change adds the package with the skeleton and implements some of the basic operations.
This PR only implements a small sets of functions. The rest of the functions will be implemented
in the followup PRs to keep the changes readable, and the reviewers sane.
Note: The first commit is from #28396, only the second commit is for review.
/cc @kubernetes/sig-node @feiskyer @Random-Liu
Add a new docker integration with kubelet using the new runtime API.
This change adds the package with some skeletons, and implements some
of the basic operations.
Automatic merge from submit-queue
Syncing imaging pulling backoff logic
- Syncing the backoff logic in the parallel image puller and the sequential image puller to prepare for merging the two pullers into one.
- Moving image error definitions under kubelet/images
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Allow PVs to specify supplemental GIDs
Retry of https://github.com/kubernetes/kubernetes/pull/28691 . Adds a Kubelet helper function for getting extra supplemental groups
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Support terminal resizing for exec/attach/run
```release-note
Add support for terminal resizing for exec, attach, and run. Note that for Docker, exec sessions
inherit the environment from the primary process, so if the container was created with tty=false,
that means the exec session's TERM variable will default to "dumb". Users can override this by
setting TERM=xterm (or whatever is appropriate) to get the correct "smart" terminal behavior.
```
Fixes#13585
Add support for terminal resizing for exec, attach, and run. Note that for Docker, exec sessions
inherit the environment from the primary process, so if the container was created with tty=false,
that means the exec session's TERM variable will default to "dumb". Users can override this by
setting TERM=xterm (or whatever is appropriate) to get the correct "smart" terminal behavior.
Automatic merge from submit-queue
Cleanup third party (pt 2)
Move forked-and-hacked golang code to the forked/ directory. Remove ast/build/parse code that is now in stdlib. Remove unused shell2junit
This commit includes a proposal and a Go file to re-define the container
runtime interface.
Note that this is an experimental interface and is expected to go through
multiple revisions once developers start implementing against it. As stated in
the proposal, there are also individual issues to carry discussions of
specific features.
Use the generic runtime method to get the netns path. Also
move reading the container IP address into cni (based off kubenet)
instead of having it in the Docker manager code. Both old and new
methods use nsenter and /sbin/ip and should be functionally
equivalent.
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