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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. - __*Next*__: The next planned release branch.
- __*Active*__: The release is currently supported and accepting patches. - __*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 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 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: containerd versions:
| Component | Status | Stablized Version | Links | | Component | Status | Stabilized Version | Links |
|---------------|----------|-------------------|---------------| |---------------|----------|--------------------|---------------|
| GRPC API | Stable | 1.0 | [api/](api) | | GRPC API | Stable | 1.0 | [api/](api) |
| Metrics API | Stable | 1.0 | - | Metrics API | Stable | 1.0 | - |
| Go client API | Unstable | 1.2 tentative | [godoc](https://godoc.org/github.com/containerd/containerd) | | Go client API | Unstable | 1.2 _tentative_ | [godoc](https://godoc.org/github.com/containerd/containerd) |
| `ctr` tool | Unstable | Out of scope | - | | 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 From the version stated in the above table, that component must adhere to the
stability constraints expected in release versions. 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 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. 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 ### `ctr` tool
The `ctr` tool provides the ability to introspect and understand the containerd The `ctr` tool provides the ability to introspect and understand the containerd