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20ca4d2d79
1. Add disable_block_device_use to CLH settings file, for parity with the already existing QEMU settings. 2. Set DEFDISABLEBLOCK := true by default for both QEMU and CLH. After this change, Kata Guests will use by default virtio-fs to access container rootfs directories from their Hosts. Hosts that were designed to use Host block devices attached to the Guests can re-enable these rootfs block devices by changing the value of disable_block_device_use back to false in their settings files. 3. Add test using container image without any rootfs layers. Depending on the container runtime and image snapshotter being used, the empty container rootfs image might get stored on a host block device that cannot be safely hotplugged to a guest VM, because the host is using the same block device. 4. Add block device hotplug safety warning into the Kata Shim configuration files. Signed-off-by: Dan Mihai <dmihai@microsoft.com> Signed-off-by: Fabiano Fidêncio <ffidencio@nvidia.com> Signed-off-by: Cameron McDermott <cameron@northflank.com>
Documentation
The Kata Containers documentation repository hosts overall system documentation, with information common to multiple components.
For details of the other Kata Containers repositories, see the repository summary.
Getting Started
- Installation guides: Install and run Kata Containers with Docker or Kubernetes
Tracing
See the tracing documentation.
More User Guides
- Upgrading: how to upgrade from Clear Containers and runV to Kata Containers and how to upgrade an existing Kata Containers system to the latest version.
- Limitations: differences and limitations compared with the default Docker runtime,
runc.
How-to guides
See the how-to documentation.
Kata Use-Cases
- GPU Passthrough with Kata
- SR-IOV with Kata
- Intel QAT with Kata
- SPDK vhost-user with Kata
- Intel SGX with Kata
- IBM Crypto Express passthrough with Confidential Containers
Developer Guide
Documents that help to understand and contribute to Kata Containers.
Design and Implementations
- Kata Containers Architecture: Architectural overview of Kata Containers
- Kata Containers CI: Kata Containers CI document
- Kata Containers E2E Flow: The entire end-to-end flow of Kata Containers
- Kata Containers design: More Kata Containers design documents
- Kata Containers threat model: Kata Containers threat model
How to Contribute
- Developer Guide: Setup the Kata Containers developing environments
- How to contribute to Kata Containers
- Code of Conduct
- How to submit a blog post
Help Writing a Code PR
Help Writing Unit Tests
Help Improving the Documents
Code Licensing
- Licensing: About the licensing strategy of Kata Containers.
The Release Process
Presentations
Website Changes
If you have a suggestion for how we can improve the website, please raise an issue (or a PR) on the repository that holds the source for the website.