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"cri.runtimeoptions.v1" moved to "runtimeoptions.v1" and containerd
configuration format version 2 is required.
Updates #6449
PiperOrigin-RevId: 405474653
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Tools (e.g. cAdvisor) watches for changes inside /sys/fs/cgroup to detect
when containers are created and deleted. With gVisor, container cgroups were
not created because the containers are not visible to the host.
This change enables the creation of [empty] subcontainer cgroups that can
be used by tools to detect creation/deletion of subcontainers. This change
required a new annotation to be added so that the shim can communicate the
pod cgroup path to runsc, so pod and container cgroups can be identified,
Fixes #6500
PiperOrigin-RevId: 402392291
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This is to ensure that Go 1.13 error wrapping is correctly
translated to gRPC errors before returning from the shim.
Updates #6225
PiperOrigin-RevId: 382120441
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This change wraps containerd's errdefs.ToGRPC function with one that
understands Go 1.13-style error wrapping style, which is used
pervasively throughout the shim. With this change, errors that have been
marked with, e.g., `errdefs.ErrNotFound`, will be correctly propagated
back to the containerd server.
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Getting state of a stopped container would fail and could lead containerd
to not detecting that the container had actually stopped. Now stopped and
deleted containers return `stopped` state.
Also makes other messages more consistent when container is stopped. Some
where still sending messages to runsc and failing in different ways. Now
they go through `initState` state machine like the other messages.
There are a few changes to improve debugability with it as well.
Fixes #5861
PiperOrigin-RevId: 380698513
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cgroups in K8s are setup with the following hierarchy: `.../pod/container`.
The sandbox is created with the first container and consequently uses the
the pause container cgroup. This change removes the container cgroup from
the path to make the sandbox use the pod cgroup instead. Otherwise limits
set to the pause container will apply to the entire sandbox.
PiperOrigin-RevId: 374273277
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The syscall package has been deprecated in favor of golang.org/x/sys.
Note that syscall is still used in the following places:
- pkg/sentry/socket/hostinet/stack.go: some netlink related functionalities
are not yet available in golang.org/x/sys.
- syscall.Stat_t is still used in some places because os.FileInfo.Sys() still
returns it and not unix.Stat_t.
Updates #214
PiperOrigin-RevId: 360701387
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gvisor-containerd-shim is not compatible with containerd 1.1 or earlier.
Starting from containerd 1.2, shim v2 is the preferred interface.
PiperOrigin-RevId: 351485556
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