172 lines
3.9 KiB
Markdown
172 lines
3.9 KiB
Markdown
# grahamcofborg
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## Guidelines
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1. make sure you've reviewed the code before you trigger it on a PR
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that isn't your own
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2. be gentle, preferably don't run mass rebuilds / massive builds like
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chromium on it
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## Commands
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1. To trigger the bot, the comment _must_ start with a case
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insensitive version of `@GrahamcOfBorg`.
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2. To use multiple commands, insert a bit of whitespace and then your
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new command.
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Commands:
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### test (added: 2017-11-24)
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```
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@grahamcofborg test list of tests
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```
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This will run `nix-build ./nixos/default.nix -A tests.list -A tests.of -A tests.attrs` in
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the nixpkgs checkout. Note: this will only run on x86_64-linux machines.
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### eval
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```
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@grahamcofborg eval
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```
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Note: Every PR automatically evaluates when it is opened and when the
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commits change. There is no reason to run eval on a PR unless the
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evaluation has failed for weird reasons, or because master was broken
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before.
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### build
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```
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@grahamcofborg build list of attrs
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```
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This will run `nix-build ./default.nix -A list -A of -A attrs` in
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the nixpkgs checkout.
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---
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Multiple Commands:
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```
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@grahamcofborg build list of attrs
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@grahamcofborg eval
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```
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or even:
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```
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@grahamcofborg build list of attrs @grahamcofborg eval
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```
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This will _not_ work:
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```
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looks good to me!
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@grahamcofborg build list of attrs
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```
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Also this is bad:
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```
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@grahamcofborg build list of attrs
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looks good to me!
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```
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as it'll try to build `list` `of` `attrs` `looks` `good` `to` `me!`.
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# arch
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1. All github events go in to web/index.php, which sends the event to
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an exchange named for the full name of the repo (ex: nixos/nixpkgs)
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in lower case. The exchange is set to "fanout"
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2. build-filter.php creates a queue called build-inputs and binds it
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to the nixos/nixpkgs exchange. It also creates an exchange,
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build-jobs, set to fan out. It listens for messages on the
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build-inputs queue. Issue comments from authorized users on
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PRs get tokenized and turned in to build instructions. These jobs
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are then written to the build-jobs exchange.
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3. builder.php creates a queue called `build-inputs-x86_64-linux`, and
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binds it to the build-jobs exchange. It then listens for build
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instructions on the `build-inputs-x86_64-linux` queue. For each
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job, it uses nix-build to run the build instructions. The status
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result (pass/fail) and the last ten lines of output are then placed
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in to the `build-results` queue.
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4. poster.php declares the build-results queue, and listens for
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messages on it. It posts the build status and text output on the PR
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the build is from.
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## Getting Started
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- you'll need to create the `WORKING_DIR`
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- nix-shell
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- composer install
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- php builder.php
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The conspicuously missing config.php looks like:
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```php
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<?php
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require_once __DIR__ . '/vendor/autoload.php';
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use PhpAmqpLib\Connection\AMQPSSLConnection;
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use PhpAmqpLib\Message\AMQPMessage;
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define("NIX_SYSTEM", "x86_64-linux");
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define("WORKING_DIR", "/home/grahamc/.nix-test");
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function rabbitmq_conn() {
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$connection = new AMQPSSLConnection(
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'events.nix.gsc.io', 5671,
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eventsuser, eventspasswordd, '/', array(
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'verify_peer' => true,
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'verify_peer_name' => true,
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'peer_name' => 'events.nix.gsc.io',
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'verify_depth' => 10,
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'ca_file' => '/etc/ssl/certs/ca-certificates.crt'
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)
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);
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return $connection;
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}
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/*
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# Only leader machines (ie: graham's) need this:
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function gh_client() {
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$client = new \Github\Client();
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$client->authenticate('githubusername',
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'githubpassword',
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Github\Client::AUTH_HTTP_PASSWORD);
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return $client;
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}
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*/
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```
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## Getting started on the rust one...
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```
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nix-shell ./shell.nix -A rustEnv
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$ cd ofborg
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$ cargo build
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```
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```
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cargo build
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```
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then copy config.example.json to config.json and edit its vars. Set
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`nix.remote` to an empty string if you're not using the daemon.
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Run
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```
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./target/debug/builder ./config.json
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```
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