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docs: How to generate the payload for the CC Operator

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Let's add the documentation on how to generate the Kata Containers
payload, based in the CCv0 branch, that's consumed by the Confidential
Containers Operator.

Fixes: #5041

Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
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Fabiano Fidêncio 2022-08-31 13:04:58 +02:00
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## Confidential Containers
- [How to use build and test the Confidential Containers `CCv0` proof of concept](how-to-build-and-test-ccv0.md)
- [How to generate a Kata Containers payload for the Confidential Containers Operator](how-to-generate-a-kata-containers-payload-for-the-confidential-containers-operator.md)

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# Generating a Kata Containers payload for the Confidential Containers Operator
[Confidential Containers
Operator](https://github.com/confidential-containers/operator) consumes a Kata
Containers payload, generated from the `CCv0` branch, and here one can find all
the necessary info on how to build such a payload.
## Requirements
* `make` installed in the machine
* Docker installed in the machine
* `sudo` access to the machine
## Process
* Clone [Kata Containers](https://github.com/kata-containers/kata-containers)
```sh
git clone --branch CCv0 https://github.com/kata-containers/kata-containers
```
* In case you've already cloned the repo, make sure to switch to the `CCv0` branch
```sh
git checkout CCv0
```
* Ensure your tree is clean and in sync with upstream `CCv0`
```sh
git clean -xfd
git reset --hard <upstream>/CCv0
```
* Make sure you're authenticated to `quay.io`
```sh
sudo docker login quay.io
```
* From the top repo directory, run:
```sh
sudo make cc-payload
```
* Make sure the image was upload to the [Confidential Containers
runtime-payload
registry](https://quay.io/repository/confidential-containers/runtime-payload?tab=tags)
## Notes
Make sure to run it on a machine that's not the one you're hacking on, prepare a
cup of tea, and get back to it an hour later (at least).