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Kata Containers 1.0.0
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@jcvenegas jcvenegas released this 22 May 06:09
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1.0.0
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Welcome to Kata Containers 1.0.0!

Kata Containers team is happy to announce the release 1.0.0. The best of Intel Clear Containers and Hyper.sh RunV!

The resulting project provides a set repositories that combined provide an OCI compatible runtime
that provides the best of Virtual Machines and Containers.

Features and components:

Runtime:

Supported OCI commands:

  • create
  • start
  • exec
  • events
  • delete
  • kill
  • ps
  • list
  • run
  • state

osbuilder:
Tools to build a guest OS reference for kata containers project.

agent:
Component used to spawn containers and processes inside this virtual machine

shim:
Component used to handle stdio and signals of the container process

ksm-throttler:
This component implements a Kernel Same-page Merging throttling daemon

List of runtime changes:

92ec15d virtcontainers: fix codes misunderstanding in virtcontainers
8347f4d config: Error if image+initrd specified
41492d5 docs: Add more details to the README
216aa53 docs: Fix README TOC
2245e67 # Kata Containers 0.3.0
be82c7f cli :Implement events command
552b442 build: default to using qemu-lite-x86_64
dfdad13 kata-env: Remove static agent version
90fc7e6 virtcontainers/qemu: reduce memory footprint
91e9ed0 virtcontainers: Reduce path lengths
0c489d3 oci: Allow environment values to be empty
48e9494 socket: Enforce socket length
fa848ba virtcontainers: refactor device.go to device manager
81503d7 add sandbox process operation relay API support
3d1b4a1 Makefile: add missing dependencies to install targets
87aa1d7 API: support sandbox monitor operation
70b3c77 virtcontainers: always pass sandbox as a pointer
8d897f4 Tidy up and add support for initrd and osbuilder metadata file
ff9b2bd cli: Optimize container research
f92d7dd virtcontainers: Properly remove the container when shim gets killed
e78941e hooks: Send the bundle path in the state that is sent with hooks
31eb51e cli: Backtrace on SIGUSR1
d931d29 api: add sandbox operation APIs
76af465 virtcontainers: Fix TestIsHostDevice test as non-root
de32be7 Assign address to a pci bridge while appending it
dec01c1 virtcontainers: kata_agent: enable cpus and mem sets
397decb Handle device nodes and regular files in /dev
1c7a02e virtcontainers: agent: implement kata agent processListContainer
9dea2f8 config: Add SPDX license header to config file
ea789db Add configuration for 9p msize
fdadb04 runtime: fix codes misunderstanding after rename pod to sandbox
a4b7e20 cli: implement spec command
427b97c version: 0.0.1
be6ef03 virtcontainers: Disable cpuset and cpumem
8088a62 virtcontainers: Fix unit tests
ad5669f virtcontainers: kata_agent: apply CPU constraints
0f9defd virtcontainers: agent: fix CPU hot plug race condition
9db9b28 runtime: rename pod to sandbox
ca25177 volumes: Attach volumes that are block device files as block devices
f74f61e virtcontainers: Do not pass /dev/shm as 9p mount
be151cb runtime: add builtin proxy and shim capability
5932803 virtcontainers: fix unit tests
bc83bf0 cli: delete out-of-date comment
0e8b6dc iothread support for virtio-scsi
dda4a44 virtcontainers: Fix container creation rollback
e75713f virtcontainers: Properly rollback mounts and hotplugs when container creation failed
75235a8 virtcontainers: remove legacy dependencies
6ac1958 exec: Allow to exec a process on a ready container
a69c493 virtcontainers: Do not rollback by deleting container or pod
d283555 qemu: Move to qemu 2.11
c4f922d virtcontainers: Don't ignore container mounts based on their path
01f7e46 support to boot guest with an initrd image
4ac5a6a docs: Improve the README
7b0c2d1 virtcontainers: vfio: add support for hot plugging VFIO devices
1846624 Makefile: remove git hooks
ce75505 gitignore: merge gitignore files
adf7b53 scripts: Add data collection script
4d5dde9 ci: allow path to tests repo to be over-wridden
1961d72 build: Move CLI makefile to top level
6d05197 virtcontainers: agent: use onlineCPUMem to online vCPUs
397905f virtcontainers: qemu: Call removeDeviceFromBridge for virtio-blk
0619b0e Simplify toplevel makefile
c8e0c2c Fix lint errors & get virtcontainers tests running
4e86f58 build: Simplify CLI makefile
65012d0 utils: Use go env to discover the GOPATH
d1bdf80 Skip routes with ipv6 gateway
de8506d virtcontainers: kata_agent: Add virtio-scsi support
b111403 cli: Initial runtime cli implementation.
167d54a virtcontainers: Initial import
b97f8ad ci: Add run.sh and setup.sh in order to run the tests.
64bb90c docs: Add missing standard docs
275c683 build: Add minimal Makefile
ff8f8ab cc-runtime: Fix default systemd target
bec23a9 runtime: Add Clear Containers runtime
0e2b6c7 import runV runtime as a submodule

Compatibility with Docker

Kata Containers 1.0.0 is compatible with docker-ce-18.03.1

CRI compatibility.

Kata Containers is compatible with the the CRI runtimes:

  • cri-o 1.10 commit 393429
  • cri-containerd version 1.0.0 (containerd 1.1.0)

Along with this CRI implementations, Kata containers can provide an extra security level to Kubernetes 1.9+

OCI Runtime Specification

Kata Containers 1.0.0 support the OCI Runtime Specification v1.0.0-rc5

Kata Linux Containers image

  • Raw format (Default base OS: Clear Linux 20640)
  • Initrd format (Default base OS: Alpine Linux 3.7)
  • Agent version 1.0.0

Kata Linux Containers Kernel

Kata Containers 1.0.0 requires at least Kata Linux Containers kernel 4.14.22

Installation

Issues & limitations

See Limitations

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