If the Keycloak service is running on the same machine as the oauth2 proxy (spoiler alert: it is!), let the service depend on it. Change-Id: I30e4222b4cd5589e08849ef6f37cf1fb4369f55a Reviewed-on: https://cl.tvl.fyi/c/depot/+/5421 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: sterni <sternenseemann@systemli.org>
		
			
				
	
	
		
			59 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
	
		
			1.7 KiB
		
	
	
	
		
			Nix
		
	
	
	
	
	
# Configuration for oauth2_proxy, which is used as a handler for nginx
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# auth-request setups.
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#
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# This module exports a helper function at
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# `config.services.depot.oauth2_proxy.withAuth` that can be wrapped
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# around nginx server configuration blocks to configure their
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# authentication setup.
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{ config, depot, pkgs, lib, ... }:
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let
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  description = "OAuth2 proxy to authenticate TVL services";
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  cfg = config.services.depot.oauth2_proxy;
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  configFile = pkgs.writeText "oauth2_proxy.cfg" ''
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    email_domains = [ "*" ]
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    http_address = "127.0.0.1:${toString cfg.port}"
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    provider = "keycloak-oidc"
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    client_id = "oauth2-proxy"
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    oidc_issuer_url = "https://auth.tvl.fyi/auth/realms/TVL"
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    reverse_proxy = true
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    set_xauthrequest = true
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  '';
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  # Depend on the Keycloak service if it is running on the same
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  # machine.
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  depends_on = lib.optional config.services.keycloak.enable "keycloak.service";
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in
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{
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  options.services.depot.oauth2_proxy = {
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    enable = lib.mkEnableOption description;
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    port = lib.mkOption {
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      description = "Port to listen on";
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      type = lib.types.int;
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      default = 2884; # "auth"
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    };
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    secretsFile = lib.mkOption {
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      type = lib.types.str;
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      description = "EnvironmentFile from which to load secrets";
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      default = "/run/agenix/oauth2_proxy";
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    };
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  };
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  config = lib.mkIf cfg.enable {
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    systemd.services.oauth2_proxy = {
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      inherit description;
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      after = depends_on;
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      wants = depends_on;
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      wantedBy = [ "multi-user.target" ];
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      serviceConfig = {
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        Restart = "always";
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        DynamicUser = true;
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        EnvironmentFile = cfg.secretsFile;
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        ExecStart = "${pkgs.oauth2_proxy}/bin/oauth2-proxy --config ${configFile}";
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      };
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    };
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  };
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}
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