Commit Graph

9 Commits

Author SHA1 Message Date
Feng Wang
205909fbed runtime: Fix virtiofs fd leak
The kata runtime invokes removeStaleVirtiofsShareMounts after
a container is stopped to clean up the stale virtiofs file caches.

Fixes: #6455
Signed-off-by: Feng Wang <fwang@confluent.io>
2023-04-26 15:53:39 -07:00
Sidhartha Mani
3896c7a22b protocol: add updateEphemeralMounts proto
- adds a new rpc call to the agent service named `updateEphemeralMounts`
- this call takes a list of grpc.Storage objects

Signed-off-by: Sidhartha Mani <sidhartha_mani@apple.com>
2023-03-06 13:43:47 -08:00
Yushuo
e80c9f7b74 runtime-rs: add StartContainer hook
StartContainer will be execute in guest container namespace in Kata.
The Hook Path of this kind of hook is also in guest container namespace.

StartContainer is executed after start operation is called, and it
should be executed before user-specific command is executed.

Fixes: #5787

Signed-off-by: Yushuo <y-shuo@linux.alibaba.com>
2023-02-27 21:56:43 +08:00
Yushuo
977f281c5c runtime-rs: add CreateContainer hook support
CreateContainer hook is one kind of OCI hook. In kata, it will be
executed after VM is started, before container is created, and after
CreateRuntime is executed.

The hook path of CreateContainer hook is in host runtime namespace, but
it will be executed in host vmm namespace.

Fixes: #5787

Signed-off-by: Yushuo <y-shuo@linux.alibaba.com>
2023-02-27 21:56:43 +08:00
Yushuo
875f2db528 runtime-rs: add oci hook support
According to the runtime OCI Spec, there can be some hook
operations in the lifecycle of the container. In these hook
operations, the runtime can execute some commands. There are different
points in time in the container lifecycle  and different hook types
can be executed.

In this commit, we are now supporting 4 types of hooks(same in
runtime-go): Prestart hook, CreateRuntime hook, Poststart hook and
Poststop hook.

Fixes: #5787

Signed-off-by: Yushuo <y-shuo@linux.alibaba.com>
2023-02-27 21:56:43 +08:00
Eric Ernst
38ebbc705b proto: update to add set/get iptables
Update the agent protocol definition to introduce support for setting
and getting iptables from the guest.

Signed-off-by: Eric Ernst <eric_ernst@apple.com>
2022-05-31 08:45:59 -07:00
Yibo Zhuang
6a47b82c81 proto: fsGroup support for direct-assigned volume
This change adds two fields to the Storage pb

FSGroup which is a group id that the runtime
specifies to indicate to the agent to perform a
chown of the mounted volume to the specified
group id after mounting is complete in the guest.

FSGroupChangePolicy which is a policy to indicate
whether to always perform the group id ownership
change or only if the root directory group id
does not match with the desired group id.

These two fields will allow CSI plugins to indicate
to Kata that after the block device is mounted in
the guest, group id ownership change should be performed
on that volume.

Fixes #4018

Signed-off-by: Yibo Zhuang <yibzhuang@gmail.com>
2022-04-11 08:41:13 -07:00
Feng Wang
4e00c2377c agent: add grpc interface for stat and resize operations
Add GetVolumeStats and ResizeVolume APIs for the runtime to query stat
and resize fs in the guest.

Fixes: #3454

Signed-off-by: Feng Wang <feng.wang@databricks.com>
2022-03-03 18:57:02 -08:00
Fupan Li
615224e993 agent: move the protocols to upper libs
move the protocols to upper libs thus it can
be shared between agent and other rust runtime.

Depends-on: github.com/kata-containers/tests#4306

Fixes: #3348

Signed-off-by: Fupan Li <fupan.lfp@antgroup.com>
2022-01-05 16:58:06 +08:00