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63 lines
2.6 KiB
Markdown
63 lines
2.6 KiB
Markdown
## Setup
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Ensure you have Nix installed. This is a requirement for the following steps.
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Consult the [developer docs](/dev-docs/workflows/build-develop-deploy.md) for more info.
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At the very least, `nix` should be in your PATH.
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Building the image also requires `newuidmap` and `newgidmap` to be present in the PATH. On Debian and Ubuntu, these can be sourced through
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the `uidmap` package.
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## Build
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You can build any image using Bazel.
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Start by querying the available images:
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```sh
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bazel query //image/system/...
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```
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You can either build a group of images (all images for a cloud provider, a stream, ...) or a single image by selecting a target.
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```sh
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bazel build //image/system:azure_azure-sev-snp_stable
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```
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The location of the destination folder can be queried like this:
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```sh
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bazel cquery --output=files //image/system:azure_azure-sev-snp_stable
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```
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## Build and Upload
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Similarly, you can also build and upload images to the respective CSP within a single step with the `upload_*` targets.
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```sh
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bazel run //image/system:upload_aws_aws-sev-snp_console -- --ref deps-image-fedora-40 --upload-measurements
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```
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The `--ref` should be the branch you're building images on. It should **not contain slashes**. Slashes should be replaced with dashes to
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not break the filesystem structure of the image storages.
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Optionally, the `--upload-measurements` option can be used to specify that measurements for the image should be uploaded, and `--fake-sign` specifies
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that a debugging signing key should be used to sign the measurements, which is done for debug images.
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## Kernel
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The Kernel is built from the srpm published under [edgelesssys/constellation-kernel](https://github.com/edgelesssys/constellation-kernel).
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We track the latest longterm release, use sources directly from [kernel.org](https://www.kernel.org/) and build the Kernel using the steps specified in the
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srpm spec file.
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After building a Kernel rpm, we upload it to our CDN and use it in our image builds.
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## Upgrading to a new Fedora release
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- Search for the old Fedora releasever in the `image/` directory and replace every occurence (outside of lockfiles) with the new releasever
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- Search for Fedora container images in Dockerfiles and upgrade the releasever
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- Regenerate the package lockfile: `bazel run //image/mirror:update_packages`
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- Build test images locally:
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- `bazel query //image/system:all` (pick an image name from the output)
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- `bazel build //image/system:IMAGE_NAME_HERE` (replace with an actual image name)
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- Let CI build new images and run e2e tests
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- Upgrade kernel spec under [edgelesssys/constellation-kernel](https://github.com/edgelesssys/constellation-kernel) to use new releasever
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