Git only allows binary names prefixed with `git-credential-` if the path to the helper is not absolute. Why? Who knows. Change-Id: I216b2a621f62a73f05e21def7ec8016b29ede892
		
			
				
	
	
		
			71 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			71 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
| # Configuration for the TVL buildkite agents.
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| { config, depot, pkgs, lib, ... }:
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| 
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| let
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|   cfg = config.services.depot.buildkite;
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|   agents = lib.range 1 cfg.agentCount;
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|   description = "Buildkite agents for TVL";
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| 
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|   besadiiWithConfig = name: pkgs.writeShellScript "besadii-whitby" ''
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|     export BESADII_CONFIG=/run/agenix/buildkite-besadii-config
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|     exec -a ${name} ${depot.ops.besadii}/bin/besadii "$@"
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|   '';
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| 
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|   # All Buildkite hooks are actually besadii, but it's being invoked
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|   # with different names.
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|   buildkiteHooks = pkgs.runCommandNoCC "buildkite-hooks" {} ''
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|     mkdir -p $out/bin
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|     ln -s ${besadiiWithConfig "post-command"} $out/bin/post-command
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|   '';
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| 
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|   credentialHelper = pkgs.writeShellScriptBin "git-credential-gerrit-creds" ''
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|     echo 'username=buildkite'
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|     echo "password=$(jq -r '.gerritPassword' /run/agenix/buildkite-besadii-config)"
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|   '';
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| in {
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|   options.services.depot.buildkite = {
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|     enable = lib.mkEnableOption description;
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|     agentCount = lib.mkOption {
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|       type = lib.types.int;
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|       description = "Number of Buildkite agents to launch";
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|     };
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|   };
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| 
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|   config = lib.mkIf cfg.enable {
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|     # Run the Buildkite agents using the default upstream module.
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|     services.buildkite-agents = builtins.listToAttrs (map (n: rec {
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|       name = "whitby-${toString n}";
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|       value = {
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|         inherit name;
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|         enable = true;
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|         tokenPath = "/run/agenix/buildkite-agent-token";
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|         hooks.post-command = "${buildkiteHooks}/bin/post-command";
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| 
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|         runtimePackages = with pkgs; [
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|           bash
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|           coreutils
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|           credentialHelper
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|           curl
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|           git
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|           gnutar
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|           gzip
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|           jq
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|           nix
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|         ];
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|       };
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|     }) agents);
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| 
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|     # Set up a group for all Buildkite agent users
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|     users = {
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|       groups.buildkite-agents = {};
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|       users = builtins.listToAttrs (map (n: rec {
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|         name = "buildkite-agent-whitby-${toString n}";
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|         value = {
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|           isSystemUser = true;
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|           group = lib.mkForce "buildkite-agents";
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|           extraGroups = [ name ];
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|         };
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|       }) agents);
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|     };
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|   };
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| }
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