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159 lines
4.9 KiB
Markdown
159 lines
4.9 KiB
Markdown
# qubes-builder
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Setup Qubes OS Builder V2 in Qubes OS itself.
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## Table of Contents
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* [Description](#description)
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* [Installation](#installation)
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* [Access Control](#access-control)
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* [Usage](#usage)
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* [Pulling new commits](#pulling-new-commits)
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* [Add PGP public key to qubes-builder GPG home directory](#add-pgp-public-key-to-qubes-builder-gpg-home-directory)
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* [Builder configuration](#builder-configuration)
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* [Build Qusal](#build-qusal)
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## Description
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Setup a Builder qube named "qubes-builder" and a disposable template for Qubes
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Executor named "dvm-qubes-builder". It is possible to use any of the available
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executors: docker, podman, qubes-executor.
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During installation, after cloning the qubes-builderv2 repository, signatures
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will be verified and the installation will fail if the signatures couldn't be
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verified. Packages necessary for split operations such as split-gpg2, spit-git
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and split-ssh-agent will also be installed.
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## Installation
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The template is based on Fedora Minimal and not Debian Minimal due to the
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Qubes Executor lacking some dependencies on Debian such as
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[mock](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1025460). Even if the
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builder qube was Debian based, the executor qube still needs to be a Fedora
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template.
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<!-- TODO: remove after 1 month: 2024-08-4 -->
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If installation fails on non existent qubes-infrastructure-mirrors directory
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during the `qubes-builder.configure` state, please
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[manually pull new commits](#Pulling new commits) and then run the state
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again. This issue will occur to everyone that ran the same state before
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`2024-07-01`, due to [submodule addition](https://github.com/QubesOS/qubes-builderv2/commit/bc6d9a9954d985d2be3ec76ce86d44fea13d345b).
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Qusal maintainer decision is not to handle such issue automatically as it
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can lead to data loss in case user does manual changes, the installation would
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need to `reset` the user changes and to do a clean `pull` that wouldn't fail.
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After you've pulled the commit including the `.gitmodules` once, future
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installations won't have this issue.
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* Top:
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```sh
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sudo qubesctl top.enable qubes-builder
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sudo qubesctl --targets=tpl-qubes-builder,dvm-qubes-builder,qubes-builder state.apply
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sudo qubesctl top.disable qubes-builder
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sudo qubesctl state.apply qubes-builder.prefs
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```
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* State:
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<!-- pkg:begin:post-install -->
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```sh
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sudo qubesctl state.apply qubes-builder.create
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sudo qubesctl --skip-dom0 --targets=tpl-qubes-builder state.apply qubes-builder.install
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sudo qubesctl state.apply qubes-builder.prefs
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sudo qubesctl --skip-dom0 --targets=dvm-qubes-builder state.apply qubes-builder.configure-qubes-executor
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sudo qubesctl --skip-dom0 --targets=qubes-builder state.apply qubes-builder.configure
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```
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<!-- pkg:end:post-install -->
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If you plan to write for a long time and analyze logs on the builder qube, it
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is recommended to install some development goodies:
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```sh
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sudo qubesctl --skip-dom0 --targets=tpl-qubes-builder state.apply qubes-builder.install-dev
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```
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If you plan on building Qusal packages (Development only):
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```sh
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sudo qubesctl --skip-dom0 --targets=qubes-builder state.apply qubes-builder.configure-qusal
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```
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## Access Control
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The policy is based on `qubes-builderv2/rpc/50-qubesbuilder.policy`.
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Extra services added are `qubes.Gpg2`, `qusal.GitInit`, `qusal.GitFetch`,
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`qusal.GitPush`, `qusal.SshAgent`. Necessary services are allowed to have an
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unattended build.
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## Usage
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### Pulling new commits
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The installation will clone the repository but not pull new commits. You will
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need to pull new commits from time to time, their signature will be
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automatically verified before merging them to your git index.
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Pull `qubes-builderv2` commits:
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```sh
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git pull
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```
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Initialize and merge submodules:
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```sh
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git submodule update --init
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git submodule update --merge
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```
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### Add PGP public key to qubes-builder GPG home directory
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If you need to pull commits signed by someone with a key not deployed by
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default, import their key to the GPG home directory of qubes-builder:
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```sh
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gpg-qubes-builder --import /path/to/key
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```
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### Builder configuration
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When using the Qubes Executor, configure the `builder.yml` `dispvm` option to
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either `dom0` or `dvm-qubes-builder`:
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```yaml
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include:
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- example-configs/desired-config.yml
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executor:
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type: qubes
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options:
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dispvm: "dom0"
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#dispvm: "dvm-qubes-builder"
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gpg-client: gpg
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```
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Setting the Disposable VM to Dom0 works because it will use the
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`default_dispvm` preference of `qubes-builder`, which is `dvm-qubes-builder`.
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Setting the `gpg-client` explicitly to enforce the use of `split-gpg2`.
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### Build Qusal
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**Warning**: development only.
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You can easily build Qusal as a default configuration is provided.
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Place only the following in `builder.yml`:
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```yaml
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include:
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- ../qusal-builder/qusal.yml
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```
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To run the `sign` state, you will need to change the configuration option
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`sign-key:rpm:KEY` to your key fingerprint as well as import the same key to
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the default GnuPG home directory `~/.gnupg`.
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