673 lines
24 KiB
Nix
673 lines
24 KiB
Nix
{ config
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, pkgs
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, lib
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, options
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, ...
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}:
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let
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cfg = config.services.buildbot-nix.master;
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inherit (lib) mkRemovedOptionModule mkRenamedOptionModule;
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interpolateType =
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lib.mkOptionType {
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name = "interpolate";
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description = ''
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A type represnting a Buildbot interpolation string, supports interpolations like `result-%(prop:attr)s`.
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'';
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check = x:
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x ? "_type" && x._type == "interpolate" && x ? "value";
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};
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interpolateToString =
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value:
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if lib.isAttrs value && value ? "_type" && value._type == "interpolate" then
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"util.Interpolate(${builtins.toJSON value.value})"
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else
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builtins.toJSON value;
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in
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{
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imports = [
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(mkRenamedOptionModule
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[
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"services"
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"buildbot-nix"
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"master"
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"github"
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"admins"
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]
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[
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"services"
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"buildbot-nix"
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"master"
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"admins"
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]
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)
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(mkRenamedOptionModule
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[
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"services"
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"buildbot-nix"
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"master"
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"github"
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"tokenFile"
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]
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[
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"services"
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"buildbot-nix"
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"master"
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"github"
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"authType"
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"legacy"
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"tokenFile"
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]
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)
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(mkRemovedOptionModule
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[
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"services"
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"buildbot-nix"
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"master"
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"github"
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"user"
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]
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''
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Setting a user is not required.
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''
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)
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];
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options = {
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services.buildbot-nix.master = {
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enable = lib.mkEnableOption "buildbot-master";
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dbUrl = lib.mkOption {
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type = lib.types.str;
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default = "postgresql://@/buildbot";
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description = "Postgresql database url";
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};
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authBackend = lib.mkOption {
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type = lib.types.enum [
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"github"
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"gitea"
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"none"
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];
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default = "github";
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description = ''
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Which OAuth2 backend to use.
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'';
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};
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buildRetries = lib.mkOption {
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type = lib.types.int;
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default = 1;
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description = "Number of times a build is retried";
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};
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postBuildSteps = lib.mkOption {
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default = [ ];
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description = ''
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A list of steps to execute after every successful build.
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'';
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type = lib.types.listOf (lib.types.submodule {
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options = {
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name = lib.mkOption {
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type = lib.types.str;
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description = ''
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The name of the build step, will show up in Buildbot's UI.
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'';
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};
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environment = lib.mkOption {
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type = with lib.types; attrsOf (oneOf [ interpolateType str ]);
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description = ''
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Extra environment variables to add to the environment of this build step.
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The base environment is the environment of the `buildbot-worker` service.
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To access the properties of a build, use the `interpolate` function defined in
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`inputs.buildbot-nix.lib.interpolate` like so `(interpolate "result-%(prop:attr)s")`.
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'';
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default = { };
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};
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command = lib.mkOption {
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type = with lib.types; oneOf [ str (listOf (oneOf [ str interpolateType ])) ];
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description = ''
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The command to execute as part of the build step. Either a single string or
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a list of strings. Be careful that neither variant is interpreted by a shell,
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but is passed to `execve` verbatim. If you desire a shell, you must use
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`writeShellScript` or similar functions.
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To access the properties of a build, use the `interpolate` function defined in
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`inputs.buildbot-nix.lib.interpolate` like so `(interpolate "result-%(prop:attr)s")`.
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'';
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};
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};
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});
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example = lib.literalExpression ''
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[
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name = "upload-to-s3";
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environment = {
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S3_TOKEN = "%(secret:s3-token)";
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S3_BUCKET = "bucket";
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};
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command = [ "nix" "copy" "%result%" ];
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]
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'';
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};
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cachix = {
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enable = lib.mkEnableOption "Enable Cachix integration";
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name = lib.mkOption {
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type = lib.types.str;
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description = "Cachix name";
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};
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auth = lib.mkOption {
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type = lib.types.attrTag {
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signingKey = lib.mkOption {
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description = ''
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Use a signing key to authenticate with Cachix.
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'';
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type = lib.types.submodule {
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options.file = lib.mkOption {
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type = lib.types.path;
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description = ''
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Path to a file containing the signing key.
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'';
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};
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};
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};
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authToken = lib.mkOption {
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description = ''
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Use an authentication token to authenticate with Cachix.
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'';
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type = lib.types.submodule {
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options.file = lib.mkOption {
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type = lib.types.path;
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description = ''
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Path to a file containing the authentication token.
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'';
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};
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};
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};
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};
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};
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signingKeyFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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visible = false;
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description = "Cachix signing key";
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};
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authTokenFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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visible = false;
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description = "Cachix auth token";
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};
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};
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gitea = {
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enable = lib.mkEnableOption "Enable Gitea integration" // {
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default = cfg.authBackend == "gitea";
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};
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tokenFile = lib.mkOption {
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type = lib.types.path;
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description = "Gitea token file";
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};
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webhookSecretFile = lib.mkOption {
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type = lib.types.path;
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description = "Gitea webhook secret file";
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};
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oauthSecretFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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description = "Gitea oauth secret file";
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};
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instanceUrl = lib.mkOption {
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type = lib.types.str;
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description = "Gitea instance URL";
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};
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oauthId = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "Gitea oauth id. Used for the login button";
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};
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topic = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = "build-with-buildbot";
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description = ''
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Projects that have this topic will be built by buildbot.
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If null, all projects that the buildbot Gitea user has access to, are built.
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'';
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};
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};
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github = {
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enable = lib.mkEnableOption "Enable GitHub integration" // {
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default = cfg.authBackend == "github";
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};
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authType = lib.mkOption {
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type = lib.types.attrTag {
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legacy = lib.mkOption {
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description = "GitHub legacy auth backend";
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type = lib.types.submodule {
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options.tokenFile = lib.mkOption {
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type = lib.types.path;
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description = "Github token file";
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};
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};
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};
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app = lib.mkOption {
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description = "GitHub legacy auth backend";
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type = lib.types.submodule {
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options.id = lib.mkOption {
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type = lib.types.int;
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description = ''
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GitHub app ID.
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'';
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};
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options.secretKeyFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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description = ''
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GitHub app secret key file location.
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'';
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};
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};
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};
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};
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};
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webhookSecretFile = lib.mkOption {
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type = lib.types.path;
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description = "Github webhook secret file";
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};
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oauthSecretFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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description = "Github oauth secret file";
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};
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# TODO: make this an option
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# https://github.com/organizations/numtide/settings/applications
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# Application name: BuildBot
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# Homepage URL: https://buildbot.numtide.com
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# Authorization callback URL: https://buildbot.numtide.com/auth/login
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# oauth_token: 2516248ec6289e4d9818122cce0cbde39e4b788d
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oauthId = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = null;
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description = "Github oauth id. Used for the login button";
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};
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topic = lib.mkOption {
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type = lib.types.nullOr lib.types.str;
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default = "build-with-buildbot";
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description = ''
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Projects that have this topic will be built by buildbot.
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If null, all projects that the buildbot github user has access to, are built.
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'';
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};
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};
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admins = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ ];
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description = "Users that are allowed to login to buildbot, trigger builds and change settings";
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};
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workersFile = lib.mkOption {
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type = lib.types.path;
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description = "File containing a list of nix workers";
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};
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buildSystems = lib.mkOption {
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type = lib.types.listOf lib.types.str;
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default = [ pkgs.hostPlatform.system ];
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description = "Systems that we will be build";
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};
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evalMaxMemorySize = lib.mkOption {
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type = lib.types.int;
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default = 2048;
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description = ''
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Maximum memory size for nix-eval-jobs (in MiB) per
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worker. After the limit is reached, the worker is
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restarted.
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'';
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};
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evalWorkerCount = lib.mkOption {
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type = lib.types.nullOr lib.types.int;
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default = null;
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description = ''
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Number of nix-eval-jobs worker processes. If null, the number of cores is used.
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If you experience memory issues (buildbot-workers going out-of-memory), you can reduce this number.
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'';
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};
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domain = lib.mkOption {
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type = lib.types.str;
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description = "Buildbot domain";
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example = "buildbot.numtide.com";
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};
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webhookBaseUrl = lib.mkOption {
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type = lib.types.str;
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description = "URL base for the webhook endpoint that will be registered for github or gitea repos.";
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example = "https://buildbot-webhooks.numtide.com/";
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default = config.services.buildbot-master.buildbotUrl;
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};
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useHTTPS = lib.mkOption {
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type = lib.types.nullOr lib.types.bool;
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default = false;
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description = ''
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If buildbot is setup behind a reverse proxy other than the configured nginx set this to true
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to force the endpoint to use https:// instead of http://.
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'';
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};
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buildbotNixpkgs = lib.mkOption {
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type = lib.types.raw;
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description = "Nixpkgs to use for buildbot packages";
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};
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outputsPath = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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description = "Path where we store the latest build store paths names for nix attributes as text files. This path will be exposed via nginx at \${domain}/nix-outputs";
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default = null;
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example = "/var/www/buildbot/nix-outputs";
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};
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jobReportLimit = lib.mkOption {
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type = lib.types.nullOr lib.types.ints.unsigned;
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description = ''
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The max number of build jobs per `nix-eval` `buildbot-nix` will report to backends (GitHub, Gitea, etc.).
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If set to `null`, report everything, if set to `n` (some unsiggned intereger), report builds individually
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as long as the number of builds is less than or equal to `n`, then report builds using a combined
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`nix-build-combined` build.
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'';
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default = 50;
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};
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};
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};
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config = lib.mkMerge [
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(lib.mkIf cfg.enable {
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# By default buildbot uses a normal user, which is not a good default, because
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# we grant normal users potentially access to other resources. Also
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# we don't to be able to ssh into buildbot.
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users.users.buildbot = {
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isNormalUser = lib.mkForce false;
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isSystemUser = true;
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};
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services.buildbot-nix.master.cachix.auth = lib.mkIf (cfg.cachix.authTokenFile != null || cfg.cachix.signingKeyFile != null)
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(if (cfg.cachix.authTokenFile != null) then
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lib.warn
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"Obsolete option `services.buildbot-nix.master.cachix.authTokenFile' is used. It was renamed to `services.buildbot-nix.master.cachix.auth.authToken.file'."
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{ authToken.file = cfg.cachix.authTokenFile; }
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else if (cfg.cachix.signingKeyFile != null) then
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lib.warn
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"Obsolete option `services.buildbot-nix.master.cachix.signingKeyFile' is used. It was renamed to `services.buildbot-nix.master.cachix.auth.signingKey.file'."
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{ signingKey.file = cfg.cachix.signingKeyFile; }
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else
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throw "Impossible, guarded by mkIf.");
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assertions = [
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{
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assertion =
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let
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isNull = x: x == null;
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in
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isNull cfg.cachix.authTokenFile && isNull cfg.cachix.signingKeyFile ||
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isNull cfg.cachix.authTokenFile && cfg.cachix.enable ||
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isNull cfg.cachix.signingKeyFile && cfg.cachix.enable;
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message = ''
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The semantics of `options.services.buildbot-nix.master.cachix` recently changed
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slightly, the option `name` is no longer null-able. To enable Cachix support
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use `services.buildbot-nix.master.cachix.enable = true`.
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Furthermore, the options `services.buildbot-nix.master.cachix.authTokenFile` and
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`services.buildbot-nix.master.cachix.signingKeyFile` were renamed to
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`services.buildbot-nix.master.cachix.auth.authToken.file` and
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`services.buildbot-nix.master.cachix.auth.signingKey.file` respectively.
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'';
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}
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{
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assertion =
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lib.versionAtLeast cfg.buildbotNixpkgs.buildbot.version "4.0.0";
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message = ''
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`buildbot-nix` requires `buildbot` 4.0.0 or greater to function.
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Set services.buildbot-nix.master.buildbotNixpkgs to a nixpkgs with buildbot >= 4.0.0,
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i.e. nixpkgs-unstable.
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'';
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}
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{
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assertion =
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cfg.authBackend == "github" -> (cfg.github.oauthId != null && cfg.github.oauthSecretFile != null);
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message = ''If config.services.buildbot-nix.master.authBackend is set to "github", then config.services.buildbot-nix.master.github.oauthId and config.services.buildbot-nix.master.github.oauthSecretFile have to be set.'';
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}
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{
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assertion =
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cfg.authBackend == "gitea" -> (cfg.gitea.oauthId != null && cfg.gitea.oauthSecretFile != null);
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message = ''config.services.buildbot-nix.master.authBackend is set to "gitea", then config.services.buildbot-nix.master.gitea.oauthId and config.services.buildbot-nix.master.gitea.oauthSecretFile have to be set.'';
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}
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{
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assertion =
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cfg.authBackend == "github" -> cfg.github.enable;
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message = ''
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If `cfg.authBackend` is set to `"github"` the GitHub backend must be enabled with `cfg.github.enable`;
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'';
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}
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{
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assertion =
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cfg.authBackend == "gitea" -> cfg.gitea.enable;
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message = ''
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If `cfg.authBackend` is set to `"gitea"` the GitHub backend must be enabled with `cfg.gitea.enable`;
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'';
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}
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];
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services.buildbot-master = {
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enable = true;
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# disable example workers from nixpkgs
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builders = [ ];
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schedulers = [ ];
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workers = [ ];
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home = "/var/lib/buildbot";
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extraImports = ''
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from datetime import timedelta
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from buildbot_nix import (
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NixConfigurator,
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BuildbotNixConfig,
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)
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from pathlib import Path
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import json
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'';
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configurators = [
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''
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util.JanitorConfigurator(logHorizon=timedelta(weeks=4), hour=12, dayOfWeek=6)
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''
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''
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NixConfigurator(
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BuildbotNixConfig.model_validate(json.loads(Path("${(pkgs.formats.json {}).generate "buildbot-nix-config.json" {
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db_url = cfg.dbUrl;
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auth_backend = cfg.authBackend;
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build_retries = cfg.buildRetries;
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cachix = if !cfg.cachix.enable then
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null
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else
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{
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name = cfg.cachix.name;
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signing_key_file =
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if cfg.cachix.auth ? "signingKey" then
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cfg.cachix.auth.signingKey.file
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else
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null;
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auth_token_file =
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if cfg.cachix.auth ? "authToken" then
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cfg.cachix.authTokenFile
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else
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null;
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};
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gitea = if !cfg.gitea.enable then
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null
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else
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{
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token_file = "gitea-token";
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webhook_secret_file = "gitea-webhook-secret";
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project_cache_file = "gitea-project-cache.json";
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oauth_secret_file = "gitea-oauth-secret";
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instance_url = cfg.gitea.instanceUrl;
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oauth_id = cfg.gitea.oauthId;
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topic = cfg.gitea.topic;
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};
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github = if !cfg.github.enable then
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null
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|
else {
|
|
auth_type = if (cfg.github.authType ? "legacy") then
|
|
{
|
|
token_file = "github-token";
|
|
}
|
|
else if (cfg.github.authType ? "app") then
|
|
{
|
|
id = cfg.github.authType.app.id;
|
|
secret_key_file = "github-app-secret-key";
|
|
installation_token_map_file = "github-app-installation-token-map.json";
|
|
project_id_map_file = "github-app-project-id-map-name.json";
|
|
jwt_token_map = "github-app-jwt-token";
|
|
}
|
|
else
|
|
throw "authType is neither \"legacy\" nor \"app\"";
|
|
project_cache_file = "github-project-cache-v1.json";
|
|
webhook_secret_file = "github-webhook-secret";
|
|
oauth_secret_file = "github-oauth-secret";
|
|
oauth_id = cfg.github.oauthId;
|
|
topic = cfg.github.topic;
|
|
};
|
|
admins = cfg.admins;
|
|
workers_file = cfg.workersFile;
|
|
build_systems = cfg.buildSystems;
|
|
eval_max_memory_size = cfg.evalMaxMemorySize;
|
|
eval_worker_count = cfg.evalWorkerCount;
|
|
domain = cfg.domain;
|
|
webhook_base_url = cfg.webhookBaseUrl;
|
|
use_https = cfg.useHTTPS;
|
|
outputs_path = cfg.outputsPath;
|
|
url = config.services.buildbot-nix.master.webhookBaseUrl;
|
|
post_build_steps = cfg.postBuildSteps;
|
|
job_report_limit=if cfg.jobReportLimit == null then "None" else builtins.toJSON cfg.jobReportLimit;
|
|
}}").read_text()))
|
|
)
|
|
''
|
|
];
|
|
buildbotUrl =
|
|
let
|
|
host = config.services.nginx.virtualHosts.${cfg.domain};
|
|
hasSSL = host.forceSSL || host.addSSL || cfg.useHTTPS;
|
|
in
|
|
"${if hasSSL then "https" else "http"}://${cfg.domain}/";
|
|
dbUrl = config.services.buildbot-nix.master.dbUrl;
|
|
|
|
package = cfg.buildbotNixpkgs.buildbot.overrideAttrs (old: {
|
|
patches = old.patches ++ [
|
|
./0001-master-reporters-github-render-token-for-each-reques.patch
|
|
];
|
|
});
|
|
pythonPackages =
|
|
let
|
|
buildbot-gitea = (cfg.buildbotNixpkgs.python3.pkgs.callPackage ./buildbot-gitea.nix {
|
|
inherit (cfg.buildbotNixpkgs) buildbot;
|
|
}).overrideAttrs (old: {
|
|
patches = old.patches ++ [
|
|
./0002-GiteaHandler-set-branch-to-the-PR-branch-not-the-bas.patch
|
|
./0001-GiteaHandler-set-the-category-of-PR-changes-to-pull-.patch
|
|
];
|
|
});
|
|
in
|
|
ps: [
|
|
ps.pydantic
|
|
pkgs.nix
|
|
ps.requests
|
|
ps.treq
|
|
ps.psycopg2
|
|
(ps.toPythonModule cfg.buildbotNixpkgs.buildbot-worker)
|
|
cfg.buildbotNixpkgs.buildbot-plugins.www
|
|
(cfg.buildbotNixpkgs.python3.pkgs.callPackage ../default.nix { })
|
|
buildbot-gitea
|
|
];
|
|
};
|
|
|
|
systemd.services.buildbot-master = {
|
|
after = [ "postgresql.service" ];
|
|
path = [
|
|
pkgs.openssl
|
|
];
|
|
serviceConfig = {
|
|
# in master.py we read secrets from $CREDENTIALS_DIRECTORY
|
|
LoadCredential =
|
|
[ "buildbot-nix-workers:${cfg.workersFile}" ]
|
|
++ lib.optionals cfg.github.enable ([
|
|
"github-webhook-secret:${cfg.github.webhookSecretFile}"
|
|
]
|
|
++ lib.optional (cfg.github.authType ? "legacy")
|
|
"github-token:${cfg.github.authType.legacy.tokenFile}"
|
|
++ lib.optional (cfg.github.authType ? "app")
|
|
"github-app-secret-key:${cfg.github.authType.app.secretKeyFile}"
|
|
)
|
|
++ lib.optional (cfg.authBackend == "gitea") "gitea-oauth-secret:${cfg.gitea.oauthSecretFile}"
|
|
++ lib.optional (cfg.authBackend == "github") "github-oauth-secret:${cfg.github.oauthSecretFile}"
|
|
++ lib.optional (cfg.cachix.enable && cfg.cachix ? "signingKey")
|
|
"cachix-signing-key:${builtins.toString cfg.cachix.signingKeyFile}"
|
|
++ lib.optional (cfg.cachix.enable && cfg.cachix ? "authToken")
|
|
"cachix-auth-token:${builtins.toString cfg.cachix.authTokenFile}"
|
|
++ lib.optionals cfg.gitea.enable [
|
|
"gitea-token:${cfg.gitea.tokenFile}"
|
|
"gitea-webhook-secret:${cfg.gitea.webhookSecretFile}"
|
|
];
|
|
};
|
|
};
|
|
|
|
services.postgresql = {
|
|
enable = true;
|
|
ensureDatabases = [ "buildbot" ];
|
|
ensureUsers = [
|
|
{
|
|
name = "buildbot";
|
|
ensureDBOwnership = true;
|
|
}
|
|
];
|
|
};
|
|
|
|
services.nginx.enable = true;
|
|
services.nginx.virtualHosts.${cfg.domain} = {
|
|
locations = {
|
|
"/".proxyPass = "http://127.0.0.1:${builtins.toString config.services.buildbot-master.port}/";
|
|
"/sse" = {
|
|
proxyPass = "http://127.0.0.1:${builtins.toString config.services.buildbot-master.port}/sse";
|
|
# proxy buffering will prevent sse to work
|
|
extraConfig = "proxy_buffering off;";
|
|
};
|
|
"/ws" = {
|
|
proxyPass = "http://127.0.0.1:${builtins.toString config.services.buildbot-master.port}/ws";
|
|
proxyWebsockets = true;
|
|
# raise the proxy timeout for the websocket
|
|
extraConfig = "proxy_read_timeout 6000s;";
|
|
};
|
|
} // lib.optionalAttrs (cfg.outputsPath != null) { "/nix-outputs".root = cfg.outputsPath; };
|
|
};
|
|
|
|
systemd.tmpfiles.rules =
|
|
[
|
|
# delete legacy gcroot location, can be dropped after 2024-06-01
|
|
"R /var/lib/buildbot-worker/gcroot - - - - -"
|
|
]
|
|
++ lib.optional (cfg.outputsPath != null)
|
|
# Allow buildbot-master to write to this directory
|
|
"d ${cfg.outputsPath} 0755 buildbot buildbot - -";
|
|
})
|
|
];
|
|
}
|