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# Release 3.0.0-rc1

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@gkurz gkurz released this 30 Sep 06:45
· 4193 commits to main since this release
3.0.0-rc1
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gkurz Greg Kurz
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kata-containers Changes

Shortlog

727f233 release: Kata Containers 3.0.0-rc1
babab16 tools: release: fix bogus version check
af22e71 osbuilder: Export directory variables for libseccomp
d663f11 kata-deploy: get the config path from cri options
c6b3dcb kata-deploy: support kata-deploy for runtime-rs
a394761 kata-deploy: add installation for runtime-rs
b0c5f04 runtime-rs: set agent timeout to 0 for stream RPCs
d44e39e runtime-rs: fix incorrect comments
43b0e95 runtime: store the user name in hypervisor config
8180188 runtime: make StopVM thread-safe
fba39ef runtime: add more debug logs for non-root user operation
6330951 runtime-rs: drop dependency on rustc-serialize
e229a03 runtime: update runc dependency

Compatibility with CRI-O

Kata Containers 3.0.0-rc1 is compatible with CRI-O

Compatibility with containerd

Kata Containers 3.0.0-rc1 is compatible with contaienrd v1.5.2

OCI Runtime Specification

Kata Containers 3.0.0-rc1 support the OCI Runtime Specification v1.0.0-rc5

Compatibility with Kubernetes

Kata Containers 3.0.0-rc1 is compatible with Kubernetes 1.23.1-00

Libseccomp Notices

The kata-agent binaries inside the Kata Containers images provided with this release are
statically linked with the following GNU LGPL-2.1 licensed libseccomp library.

The kata-agent uses the libseccomp v2.5.4 which is not modified from the upstream version.
However, in order to comply with the LGPL-2.1 (§6(a)), we attach the complete source code for the library.

If you want to use the kata-agent which is not statically linked with the library, you can build
a custom kata-agent that does not use the library from sources.
For the details, please check the developer guide.

Kata Linux Containers image

Agent version: 3.0.0-rc1

Default Image Guest OS:

description: |
Root filesystem disk image used to boot the guest virtual
machine.
url: "https://github.com/kata-containers/kata-containers/tools/osbuilder"
architecture:
aarch64:
name: "ubuntu"
version: "latest"
ppc64le:
name: "ubuntu"
version: "latest"
s390x:
name: "ubuntu"
version: "latest"
x86_64:
name: "clearlinux"
version: "latest"
meta:
image-type: "clearlinux"

Default Initrd Guest OS:

description: |
Root filesystem initrd used to boot the guest virtual
machine.
url: "https://github.com/kata-containers/kata-containers/tools/osbuilder"
architecture:
aarch64:
name: "alpine"
version: "3.15"

Do not use Alpine on ppc64le & s390x, the agent cannot use musl because

there is no such Rust target

ppc64le:
name: "ubuntu"
version: "20.04"
s390x:
name: "ubuntu"
version: "20.04"
x86_64:
name: "alpine"
version: "3.15"

Kata Linux Containers Kernel

Kata Containers 3.0.0-rc1 suggest to use the Linux kernel v5.19.2
See the kernel suggested Guest Kernel patches
See the kernel suggested Guest Kernel config

Installation

Follow the Kata installation instructions.

Issues & limitations

More information Limitations

Assets 6