nixos/tests/karma.nix

   1 import ./make-test-python.nix ({ lib, pkgs, ... }: {
   2   name = "karma";
   3   nodes = {
   4     server = { ... }: {
   5       services.prometheus.alertmanager = {
   6         enable = true;
   7         logLevel = "debug";
   8         port = 9093;
   9         openFirewall = true;
  10         configuration = {
  11           global = {
  12             resolve_timeout = "1m";
  13           };
  14           route = {
  15             # Root route node
  16             receiver = "test";
  17             group_by = ["..."];
  18             continue = false;
  19             group_wait = "1s";
  20             group_interval="15s";
  21             repeat_interval = "24h";
  22           };
  23           receivers = [
  24             {
  25               name = "test";
  26               webhook_configs = [
  27                 {
  28                   url = "http://localhost:1234";
  29                   send_resolved = true;
  30                   max_alerts = 0;
  31                 }
  32               ];
  33             }
  34           ];
  35         };
  36       };
  37       services.karma = {
  38         enable = true;
  39         openFirewall = true;
  40         settings = {
  41           listen = {
  42             address = "0.0.0.0";
  43             port = 8081;
  44           };
  45           alertmanager = {
  46             servers = [
  47               {
  48                 name = "alertmanager";
  49                 uri = "https://127.0.0.1:9093";
  50               }
  51             ];
  52           };
  53           karma.name = "test-dashboard";
  54           log.config = true;
  55           log.requests = true;
  56           log.timestamp = true;
  57         };
  58       };
  59     };
  60   };
  61
  62   testScript = ''
  63     start_all()
  64
  65     with subtest("Wait for server to come up"):
  66
  67       server.wait_for_unit("alertmanager.service")
  68       server.wait_for_unit("karma.service")
  69
  70       server.sleep(5) # wait for both services to settle
  71
  72       server.wait_for_open_port(9093)
  73       server.wait_for_open_port(8081)
  74
  75     with subtest("Test alertmanager readiness"):
  76       server.succeed("curl -s http://127.0.0.1:9093/-/ready")
  77
  78       # Karma only starts serving the dashboard once it has established connectivity to all alertmanagers in its config
  79       # Therefore, this will fail if karma isn't able to reach alertmanager
  80       server.succeed("curl -s http://127.0.0.1:8081")
  81
  82     server.shutdown()
  83   '';
  84 })