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Add CRI API to releases file

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Signed-off-by: Derek McGowan <derek@mcgstyle.net>
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Derek McGowan 2018-03-27 09:18:43 -07:00
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RELEASES.md
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@ -78,7 +78,7 @@ by `<major>.<minor>`. Releases branches will be in one of several states:
- __*Next*__: The next planned release branch.
- __*Active*__: The release is currently supported and accepting patches.
- __*End of Life*__: The release branch is no longer support and no new patches will be accepted.
- __*End of Life*__: The release branch is no longer supported and no new patches will be accepted.
Releases will be supported up to one year after a _minor_ release. This means that
we will accept bug reports and backports to release branches until the end of
@ -164,12 +164,13 @@ The following table provides an overview of the components covered by
containerd versions:
| Component | Status | Stablized Version | Links |
|---------------|----------|-------------------|---------------|
| GRPC API | Stable | 1.0 | [api/](api) |
| Metrics API | Stable | 1.0 | -
| Go client API | Unstable | 1.2 tentative | [godoc](https://godoc.org/github.com/containerd/containerd) |
| `ctr` tool | Unstable | Out of scope | - |
| Component | Status | Stabilized Version | Links |
|---------------|----------|--------------------|---------------|
| GRPC API | Stable | 1.0 | [api/](api) |
| Metrics API | Stable | 1.0 | - |
| Go client API | Unstable | 1.2 _tentative_ | [godoc](https://godoc.org/github.com/containerd/containerd) |
| CRI GRPC API | Unstable | v1alpha2 _current_ | [api/](https://github.com/kubernetes/kubernetes/tree/master/pkg/kubelet/apis/cri/runtime/v1alpha2) |
| `ctr` tool | Unstable | Out of scope | - |
From the version stated in the above table, that component must adhere to the
stability constraints expected in release versions.
@ -244,6 +245,19 @@ been carried out.
Any changes to the API should be detectable at compile time, so upgrading will
be a matter of fixing compilation errors and moving from there.
### CRI GRPC API
The CRI (Container Runtime Interface) GRPC API is used by a Kubernetes kubelet
to communicate with a container runtime. This interface is used to manage
container lifecycles and container images. Currently this API is under
development and unstable across Kubernetes releases. Each Kubernetes release
only supports a single version of CRI and the CRI plugin only implements a
single version of CRI.
Each _minor_ release will support one version of CRI and at least one version
of Kubernetes. Once this API is stable, a _minor_ will be compatible with any
version of Kubernetes which supports that version of CRI.
### `ctr` tool
The `ctr` tool provides the ability to introspect and understand the containerd