Monitor nix-daemon in tent

Reviewed-by: Aleix Boné <abonerib@bsc.es>
Reviewed-by: Rodrigo Arias Mallo <rodrigo.arias@bsc.es>

flake.nix

@@ -18,6 +18,7 @@ in
   {
     nixosConfigurations = {
       hut     = mkConf "hut";
+      tent    = mkConf "tent";
       owl1    = mkConf "owl1";
       owl2    = mkConf "owl2";
       eudy    = mkConf "eudy";

keys.nix

@@ -10,6 +10,7 @@ rec {
     bay   = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICvGBzpRQKuQYHdlUQeAk6jmdbkrhmdLwTBqf3el7IgU bay";
     lake2 = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAINo66//S1yatpQHE/BuYD/Gfq64TY7ZN5XOGXmNchiO0 lake2";
     fox   = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIDwItIk5uOJcQEVPoy/CVGRzfmE1ojrdDcI06FrU4NFT fox";
+    tent  = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFAtTpHtdYoelbknD/IcfBlThwLKJv/dSmylOgpg3FRM tent";
   };
 
   hostGroup = with hosts; rec {
@@ -25,7 +26,8 @@ rec {
   };
 
   admins = {
-    rarias = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE1oZTPtlEXdGt0Ak+upeCIiBdaDQtcmuWoTUCVuSVIR rarias@hut";
-    root   = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIII/1TNArcwA6D47mgW4TArwlxQRpwmIGiZDysah40Gb root@hut";
+    "rarias@hut"  = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE1oZTPtlEXdGt0Ak+upeCIiBdaDQtcmuWoTUCVuSVIR rarias@hut";
+    "rarias@tent" = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIwlWSBTZi74WTz5xn6gBvTmCoVltmtIAeM3RMmkh4QZ rarias@tent";
+    root          = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIII/1TNArcwA6D47mgW4TArwlxQRpwmIGiZDysah40Gb root@hut";
   };
 }

m/bay/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
     ../module/monitoring.nix
   ];
 

m/common/base/ssh.nix

@@ -8,13 +8,6 @@ in
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
 
-  # Connect to intranet git hosts via proxy
-  programs.ssh.extraConfig = ''
-    Host bscpm02.bsc.es bscpm03.bsc.es bscpm04.bsc.es gitlab-internal.bsc.es alya.gitlab.bsc.es
-      User git
-      ProxyCommand nc -X connect -x hut:23080 %h %p
-  '';
-
   programs.ssh.knownHosts = hostsKeys // {
     "gitlab-internal.bsc.es".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF9arsAOSRB06hdy71oTvJHG2Mg8zfebADxpvc37lZo3";
     "bscpm03.bsc.es".publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIM2NuSUPsEhqz1j5b4Gqd+MWFnRqyqY57+xMvBUqHYUS";

m/common/base/users.nix

@@ -56,7 +56,7 @@
         home = "/home/Computational/rpenacob";
         description = "Raúl Peñacoba";
         group = "Computational";
-        hosts = [ "owl1" "owl2" "hut" ];
+        hosts = [ "owl1" "owl2" "hut" "tent" ];
         hashedPassword = "$6$TZm3bDIFyPrMhj1E$uEDXoYYd1z2Wd5mMPfh3DZAjP7ztVjJ4ezIcn82C0ImqafPA.AnTmcVftHEzLB3tbe2O4SxDyPSDEQgJ4GOtj/";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFYfXg37mauGeurqsLpedgA2XQ9d4Nm0ZGo/hI1f7wwH rpenacob@bsc"
@@ -69,7 +69,7 @@
         home = "/home/Computational/anavarro";
         description = "Antoni Navarro";
         group = "Computational";
-        hosts = [ "hut" "raccoon" "fox" ];
+        hosts = [ "hut" "tent" "raccoon" ];
         hashedPassword = "$6$QdNDsuLehoZTYZlb$CDhCouYDPrhoiB7/seu7RF.Gqg4zMQz0n5sA4U1KDgHaZOxy2as9pbIGeF8tOHJKRoZajk5GiaZv0rZMn7Oq31";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILWjRSlKgzBPZQhIeEtk6Lvws2XNcYwHcwPv4osSgst5 anavarro@ssfhead"
@@ -82,7 +82,7 @@
         home = "/home/Computational/abonerib";
         description = "Aleix Boné";
         group = "Computational";
-        hosts = [ "owl1" "owl2" "hut" "raccoon" "fox" ];
+        hosts = [ "owl1" "owl2" "hut" "tent" "raccoon" ];
         hashedPassword = "$6$V1EQWJr474whv7XJ$OfJ0wueM2l.dgiJiiah0Tip9ITcJ7S7qDvtSycsiQ43QBFyP4lU0e0HaXWps85nqB4TypttYR4hNLoz3bz662/";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIIIFiqXqt88VuUfyANkZyLJNiuroIITaGlOOTMhVDKjf abonerib@bsc"
@@ -108,7 +108,7 @@
         home = "/home/Computational/dbautist";
         description = "Dylan Bautista Cases";
         group = "Computational";
-        hosts = [ "hut" "raccoon" ];
+        hosts = [ "hut" "tent" "raccoon" ];
         hashedPassword = "$6$a2lpzMRVkG9nSgIm$12G6.ka0sFX1YimqJkBAjbvhRKZ.Hl090B27pdbnQOW0wzyxVWySWhyDDCILjQELky.HKYl9gqOeVXW49nW7q/";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAb+EQBoS98zrCwnGKkHKwMLdYABMTqv7q9E0+T0QmkS dbautist@bsc-848818791"
@@ -121,7 +121,7 @@
         home = "/home/Computational/dalvare1";
         description = "David Álvarez";
         group = "Computational";
-        hosts = [ "hut" "fox" ];
+        hosts = [ "hut" "tent" ];
         hashedPassword = "$6$mpyIsV3mdq.rK8$FvfZdRH5OcEkUt5PnIUijWyUYZvB1SgeqxpJ2p91TTe.3eQIDTcLEQ5rxeg.e5IEXAZHHQ/aMsR5kPEujEghx0";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGEfy6F4rF80r4Cpo2H5xaWqhuUZzUsVsILSKGJzt5jF dalvare1@ssfhead"
@@ -134,7 +134,7 @@
         home = "/home/Computational/varcila";
         description = "Vincent Arcila";
         group = "Computational";
-        hosts = [ "hut" "fox" ];
+        hosts = [ "hut" "tent" "fox" ];
         hashedPassword = "$6$oB0Tcn99DcM4Ch$Vn1A0ulLTn/8B2oFPi9wWl/NOsJzaFAWjqekwcuC9sMC7cgxEVb.Nk5XSzQ2xzYcNe5MLtmzkVYnRS1CqP39Y0";
         openssh.authorizedKeys.keys = [
           "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKGt0ESYxekBiHJQowmKpfdouw0hVm3N7tUMtAaeLejK vincent@varch"

m/common/ssf.nix

@@ -0,0 +1,9 @@
+{
+  # Provides the base system for a xeon node in the SSF rack.
+  imports = [
+    ./xeon.nix
+    ./ssf/fs.nix
+    ./ssf/net.nix
+    ./ssf/ssh.nix
+  ];
+}

m/common/xeon.nix

@@ -1,10 +1,7 @@
 {
-  # Provides the base system for a xeon node.
+  # Provides the base system for a xeon node, not necessarily in the SSF rack.
   imports = [
     ./base.nix
     ./xeon/console.nix
-    ./xeon/fs.nix
-    ./xeon/net.nix
-    ./xeon/ssh.nix
   ];
 }

m/eudy/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
     #(modulesPath + "/installer/netboot/netboot-minimal.nix")
 
     ./kernel/kernel.nix

m/fox/configuration.nix

@@ -19,31 +19,30 @@
   hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
   hardware.cpu.intel.updateMicrocode = lib.mkForce false;
 
+  # Use performance for benchmarks
+  powerManagement.cpuFreqGovernor = "performance";
+
   networking = {
-    defaultGateway = "147.83.30.130";
-    nameservers = [ "8.8.8.8" ];
+    timeServers = [ "ntp1.upc.edu" "ntp2.upc.edu" ];
     hostName = "fox";
-    interfaces.enp1s0f0np0.ipv4.addresses = [
-      {
-        # UPC network
-        # Public IP configuration:
-        # - Hostname: fox.ac.upc.edu
-        # - IP: 147.83.30.141
-        # - Gateway: 147.83.30.130
-        # - NetMask: 255.255.255.192
-        # Private IP configuration for BMC:
-        # - Hostname: fox-ipmi.ac.upc.edu
-        # - IP: 147.83.35.27
-        # - Gateway: 147.83.35.2
-        # - NetMask: 255.255.255.0
-        address = "147.83.30.141";
-        prefixLength = 26; # 255.255.255.192
-      }
-    ];
-    extraHosts = ''
-      147.83.30.141   fox.ac.upc.edu
-      147.83.35.27    fox-ipmi.ac.upc.edu
-    '';
+    # UPC network (may change over time, use DHCP)
+    # Public IP configuration:
+    # - Hostname: fox.ac.upc.edu
+    # - IP: 147.83.30.141
+    # - Gateway: 147.83.30.130
+    # - NetMask: 255.255.255.192
+    # Private IP configuration for BMC:
+    # - Hostname: fox-ipmi.ac.upc.edu
+    # - IP: 147.83.35.27
+    # - Gateway: 147.83.35.2
+    # - NetMask: 255.255.255.0
+    interfaces.enp1s0f0np0.useDHCP = true;
+  };
+
+  # Use hut for cache
+  nix.settings = {
+    extra-substituters = [ "https://jungle.bsc.es/cache" ];
+    extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
   };
 
   # Configure Nvidia driver to use with CUDA

m/hut/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
 
     ../module/ceph.nix
     ../module/debuginfod.nix

m/hut/monitoring.nix

@@ -6,7 +6,7 @@
     ../module/meteocat-exporter.nix
     ../module/upc-qaire-exporter.nix
     ./gpfs-probe.nix
-    ./nix-daemon-exporter.nix
+    ../module/nix-daemon-exporter.nix
   ];
 
   age.secrets.grafanaJungleRobotPassword = {

m/koro/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
     #(modulesPath + "/installer/netboot/netboot-minimal.nix")
 
     ../eudy/cpufreq.nix

m/lake2/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
     ../module/monitoring.nix
   ];
 

m/map.nix

@@ -17,7 +17,7 @@
     owl1   = { pos=35; size=1; label="SSF-XEON01"; board="S2600WTTR"; sn="BQWL64954172"; contact="rodrigo.arias@bsc.es"; };
     owl2   = { pos=34; size=1; label="SSF-XEON02"; board="S2600WTTR"; sn="BQWL64756560"; contact="rodrigo.arias@bsc.es"; };
     xeon03 = { pos=33; size=1; label="SSF-XEON03"; board="S2600WTTR"; sn="BQWL64750826"; contact="rodrigo.arias@bsc.es"; };
-    xeon04 = { pos=32; size=1; label="SSF-XEON04"; board="S2600WTTR"; sn="BQWL64751229"; contact="rodrigo.arias@bsc.es"; };
+    # Slot 34 empty
     koro   = { pos=31; size=1; label="SSF-XEON05"; board="S2600WTTR"; sn="BQWL64954293"; contact="rodrigo.arias@bsc.es"; };
     xeon06 = { pos=30; size=1; label="SSF-XEON06"; board="S2600WTTR"; sn="BQWL64750846"; contact="antoni.navarro@bsc.es"; };
     hut    = { pos=29; size=1; label="SSF-XEON07"; board="S2600WTTR"; sn="BQWL64751184"; contact="rodrigo.arias@bsc.es"; };
@@ -48,6 +48,7 @@
 
   bsc2218 = {
     raccoon = { board="W2600CR"; sn="QSIP22500829"; contact="rodrigo.arias@bsc.es"; };
+    tent    = { label="SSF-XEON04"; board="S2600WTTR"; sn="BQWL64751229"; contact="rodrigo.arias@bsc.es"; };
   };
 
   upc = {

m/module/hut-substituter.nix

@@ -4,7 +4,7 @@
     # Don't add hut as a cache to itself
     assert config.networking.hostName != "hut";
     {
-      substituters = [ "http://hut/cache" ];
-      trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
+      extra-substituters = [ "http://hut/cache" ];
+      extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
     };
 }

m/module/p.nix

@@ -0,0 +1,68 @@
+{ config, lib, pkgs, ... }:
+
+let
+  cfg = config.services.p;
+in
+{
+  options = {
+    services.p = {
+      enable = lib.mkOption {
+        type = lib.types.bool;
+        default = false;
+        description = "Whether to enable the p service.";
+      };
+      path = lib.mkOption {
+        type = lib.types.str;
+        default = "/var/lib/p";
+        description = "Where to save the pasted files on disk.";
+      };
+      url = lib.mkOption {
+        type = lib.types.str;
+        default = "https://jungle.bsc.es/p";
+        description = "URL prefix for the printed file.";
+      };
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = let 
+      p = pkgs.writeShellScriptBin "p" ''
+        set -e
+        pastedir="${cfg.path}/$USER"
+        cd "$pastedir"
+
+        ext="txt"
+        if [ -n "$1" ]; then
+          ext="$1"
+        fi
+
+        out=$(mktemp "XXXXXXXX.$ext")
+        cat > "$out"
+        chmod go+r "$out"
+        echo "${cfg.url}/$USER/$out"
+      '';
+    in [ p ];
+
+    systemd.services.p = let
+      # Take only normal users
+      users = lib.filterAttrs (_: v: v.isNormalUser) config.users.users;
+      # Create a directory for each user
+      commands = lib.concatLists (lib.mapAttrsToList (_: user: [
+        "install -d -o ${user.name} -g ${user.group} -m 0755 ${cfg.path}/${user.name}"
+      ]) users);
+    in {
+      description = "P service setup";
+      requires = [ "network-online.target" ];
+      #wants = [ "remote-fs.target" ];
+      #after = [ "remote-fs.target" ];
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        ExecStart = pkgs.writeShellScript "p-init.sh" (''
+
+          install -d -o root -g root -m 0755 ${cfg.path}
+
+        '' + (lib.concatLines commands));
+      };
+    };
+  };
+}

m/module/ssh-hut-extern.nix

@@ -0,0 +1,9 @@
+{
+  programs.ssh.extraConfig = ''
+    Host ssfhead
+      HostName ssflogin.bsc.es
+    Host hut
+      ProxyJump ssfhead
+      HostName xeon07
+  '';
+}

m/owl1/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
     ../module/ceph.nix
     ../module/emulation.nix
     ../module/slurm-client.nix

m/owl2/configuration.nix

@@ -2,7 +2,7 @@
 
 {
   imports = [
-    ../common/xeon.nix
+    ../common/ssf.nix
     ../module/ceph.nix
     ../module/emulation.nix
     ../module/slurm-client.nix

m/raccoon/configuration.nix

@@ -5,6 +5,7 @@
     ../common/base.nix
     ../module/emulation.nix
     ../module/debuginfod.nix
+    ../module/ssh-hut-extern.nix
     ../eudy/kernel/perf.nix
   ];
 
@@ -26,11 +27,23 @@
       address = "84.88.51.152";
       prefixLength = 25;
     } ];
+    interfaces.enp5s0f1.ipv4.addresses = [ {
+      address = "10.0.44.1";
+      prefixLength = 24;
+    } ];
+    nat = {
+      enable = true;
+      internalInterfaces = [ "enp5s0f1" ];
+      externalInterface = "eno0";
+    };
+    hosts = {
+      "10.0.44.4" = [ "tent" ];
+    };
   };
 
   nix.settings = {
-    substituters = [ "https://jungle.bsc.es/cache" ];
-    trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
+    extra-substituters = [ "https://jungle.bsc.es/cache" ];
+    extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
   };
 
   # Enable performance governor

m/tent/blackbox.yml

@@ -0,0 +1,14 @@
+modules:
+  http_2xx:
+    prober: http
+    timeout: 5s
+    http:
+      preferred_ip_protocol: "ip4"
+      follow_redirects: true
+      valid_status_codes: []  # Defaults to 2xx
+      method: GET
+  icmp:
+    prober: icmp
+    timeout: 5s
+    icmp:
+      preferred_ip_protocol: "ip4"

m/tent/configuration.nix

@@ -0,0 +1,78 @@
+{ config, pkgs, lib, ... }:
+
+{
+  imports = [
+    ../common/xeon.nix
+    ../module/emulation.nix
+    ../module/debuginfod.nix
+    ../module/ssh-hut-extern.nix
+    ./monitoring.nix
+    ./nginx.nix
+    ./nix-serve.nix
+    ./gitlab-runner.nix
+    ./gitea.nix
+    ../hut/public-inbox.nix
+    ../module/p.nix
+  ];
+
+  # Select the this using the ID to avoid mismatches
+  boot.loader.grub.device = "/dev/disk/by-id/wwn-0x55cd2e414d537675";
+
+  networking = {
+    hostName = "tent";
+    interfaces.eno1.ipv4.addresses = [
+      {
+        address = "10.0.44.4";
+        prefixLength = 24;
+      }
+    ];
+
+    # Only BSC DNSs seem to be reachable from the office VLAN
+    nameservers = [ "84.88.52.35" "84.88.52.36" ];
+    search = [ "bsc.es" ];
+    defaultGateway = "10.0.44.1";
+  };
+
+  services.p.enable = true;
+
+  services.prometheus.exporters.node = {
+    enable = true;
+    enabledCollectors = [ "systemd" ];
+    port = 9002;
+    listenAddress = "127.0.0.1";
+  };
+
+  boot.swraid = {
+    enable = true;
+    mdadmConf = ''
+      DEVICE partitions
+      ARRAY /dev/md0 metadata=1.2 UUID=496db1e2:056a92aa:a544543f:40db379d
+      MAILADDR root
+    '';
+  };
+
+  fileSystems."/vault" = {
+    device = "/dev/disk/by-label/vault";
+    fsType = "ext4";
+  };
+
+  # Make a /vault/$USER directory for each user.
+  systemd.services.create-vault-dirs = let
+    # Take only normal users in tent
+    users = lib.filterAttrs (_: v: v.isNormalUser) config.users.users;
+    commands = lib.concatLists (lib.mapAttrsToList
+      (_: user: [
+        "install -d -o ${user.name} -g ${user.group} -m 0711 /vault/home/${user.name}"
+      ]) users);
+    script = pkgs.writeShellScript "create-vault-dirs.sh" (lib.concatLines commands);
+  in {
+    enable = true;
+    wants = [ "local-fs.target" ];
+    after = [ "local-fs.target" ];
+    wantedBy = [ "multi-user.target" ];
+    serviceConfig.ExecStart = script;
+  };
+
+  # disable automatic garbage collector
+  nix.gc.automatic = lib.mkForce false;
+}

m/tent/gitea.nix

@@ -0,0 +1,29 @@
+{ config, lib, ... }:
+{
+  services.gitea = {
+    enable = true;
+    appName = "Gitea in the jungle";
+
+    settings = {
+      server = {
+        ROOT_URL = "https://jungle.bsc.es/git/";
+        LOCAL_ROOT_URL = "https://jungle.bsc.es/git/";
+        LANDING_PAGE = "explore";
+      };
+      metrics.ENABLED = true;
+      service = {
+        REGISTER_MANUAL_CONFIRM = true;
+        ENABLE_NOTIFY_MAIL = true;
+      };
+      log.LEVEL = "Warn";
+
+      mailer = {
+        ENABLED       = true;
+        FROM          = "jungle-robot@bsc.es";
+        PROTOCOL      = "sendmail";
+        SENDMAIL_PATH = "/run/wrappers/bin/sendmail";
+        SENDMAIL_ARGS = "--";
+      };
+    };
+  };
+}

m/tent/gitlab-runner.nix

@@ -0,0 +1,85 @@
+{ pkgs, lib, config, ... }:
+
+{
+  age.secrets.tent-gitlab-runner-pm-shell.file = ../../secrets/tent-gitlab-runner-pm-shell-token.age;
+  age.secrets.tent-gitlab-runner-bsc-docker.file = ../../secrets/tent-gitlab-runner-bsc-docker-token.age;
+
+  services.gitlab-runner = let sec = config.age.secrets; in {
+    enable = true;
+    settings.concurrent = 5;
+    services = {
+      # For gitlab.pm.bsc.es
+      gitlab-pm-shell = {
+        executor = "shell";
+        environmentVariables = {
+          SHELL = "${pkgs.bash}/bin/bash";
+        };
+        authenticationTokenConfigFile = sec.tent-gitlab-runner-pm-shell.path;
+        preGetSourcesScript = pkgs.writeScript "setup" ''
+          echo "This is the preGetSources script running, brace for impact"
+          env
+        '';
+      };
+      gitlab-bsc-docker = {
+        # gitlab.bsc.es still uses the old token mechanism
+        registrationConfigFile = sec.tent-gitlab-runner-bsc-docker.path;
+        tagList = [ "docker" "tent" "nix" ];
+        executor = "docker";
+        dockerImage = "alpine";
+        dockerVolumes = [
+          "/nix/store:/nix/store:ro"
+          "/nix/var/nix/db:/nix/var/nix/db:ro"
+          "/nix/var/nix/daemon-socket:/nix/var/nix/daemon-socket:ro"
+        ];
+        dockerDisableCache = true;
+        registrationFlags = [
+          # Increase build log length to 64 MiB
+          "--output-limit 65536"
+        ];
+        preBuildScript = pkgs.writeScript "setup-container" ''
+          mkdir -p -m 0755 /nix/var/log/nix/drvs
+          mkdir -p -m 0755 /nix/var/nix/gcroots
+          mkdir -p -m 0755 /nix/var/nix/profiles
+          mkdir -p -m 0755 /nix/var/nix/temproots
+          mkdir -p -m 0755 /nix/var/nix/userpool
+          mkdir -p -m 1777 /nix/var/nix/gcroots/per-user
+          mkdir -p -m 1777 /nix/var/nix/profiles/per-user
+          mkdir -p -m 0755 /nix/var/nix/profiles/per-user/root
+          mkdir -p -m 0700 "$HOME/.nix-defexpr"
+          mkdir -p -m 0700 "$HOME/.ssh"
+          cat >> "$HOME/.ssh/known_hosts" << EOF
+          bscpm04.bsc.es ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPx4mC0etyyjYUT2Ztc/bs4ZXSbVMrogs1ZTP924PDgT
+          gitlab-internal.bsc.es ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF9arsAOSRB06hdy71oTvJHG2Mg8zfebADxpvc37lZo3
+          EOF
+          . ${pkgs.nix}/etc/profile.d/nix-daemon.sh
+          # Required to load SSL certificate paths
+          . ${pkgs.cacert}/nix-support/setup-hook
+        '';
+        environmentVariables = {
+          ENV = "/etc/profile";
+          USER = "root";
+          NIX_REMOTE = "daemon";
+          PATH = "${config.system.path}/bin:/bin:/sbin:/usr/bin:/usr/sbin";
+        };
+      };
+    };
+  };
+
+  systemd.services.gitlab-runner.serviceConfig = {
+    DynamicUser = lib.mkForce false;
+    User = "gitlab-runner";
+    Group = "gitlab-runner";
+    ExecStart = lib.mkForce
+      ''${pkgs.gitlab-runner}/bin/gitlab-runner run --config ''${HOME}/.gitlab-runner/config.toml --listen-address "127.0.0.1:9252" --working-directory ''${HOME}'';
+  };
+
+  users.users.gitlab-runner = {
+    uid = config.ids.uids.gitlab-runner;
+    home = "/var/lib/gitlab-runner";
+    description = "Gitlab Runner";
+    group = "gitlab-runner";
+    extraGroups = [ "docker" ];
+    createHome = true;
+  };
+  users.groups.gitlab-runner.gid = config.ids.gids.gitlab-runner;
+}

m/tent/monitoring.nix

@@ -0,0 +1,205 @@
+{ config, lib, pkgs, ... }:
+
+{
+  imports = [
+    ../module/meteocat-exporter.nix
+    ../module/upc-qaire-exporter.nix
+    ../module/nix-daemon-exporter.nix
+  ];
+
+  age.secrets.grafanaJungleRobotPassword = {
+    file = ../../secrets/jungle-robot-password.age;
+    owner = "grafana";
+    mode = "400";
+  };
+
+  services.grafana = {
+    enable = true;
+    settings = {
+      server = {
+        domain = "jungle.bsc.es";
+        root_url = "%(protocol)s://%(domain)s/grafana";
+        serve_from_sub_path = true;
+        http_port = 2342;
+        http_addr = "127.0.0.1";
+      };
+      smtp = {
+        enabled = true;
+        from_address = "jungle-robot@bsc.es";
+        user = "jungle-robot";
+        # Read the password from a file, which is only readable by grafana user
+        # https://grafana.com/docs/grafana/latest/setup-grafana/configure-grafana/#file-provider
+        password = "$__file{${config.age.secrets.grafanaJungleRobotPassword.path}}";
+        host = "mail.bsc.es:465";
+        startTLS_policy = "NoStartTLS";
+      };
+      feature_toggles.publicDashboards = true;
+      "auth.anonymous".enabled = true;
+      log.level = "warn";
+    };
+  };
+
+  services.prometheus = {
+    enable = true;
+    port = 9001;
+    retentionTime = "5y";
+    listenAddress = "127.0.0.1";
+  };
+
+  # We need access to the devices to monitor the disk space
+  systemd.services.prometheus-node-exporter.serviceConfig.PrivateDevices = lib.mkForce false;
+  systemd.services.prometheus-node-exporter.serviceConfig.ProtectHome = lib.mkForce "read-only";
+
+  # Credentials for IPMI exporter
+  age.secrets.ipmiYml = {
+    file = ../../secrets/ipmi.yml.age;
+    owner = "ipmi-exporter";
+  };
+
+  # Create an IPMI group and assign the ipmi0 device
+  users.groups.ipmi = {};
+  services.udev.extraRules = ''
+    SUBSYSTEM=="ipmi", KERNEL=="ipmi0", GROUP="ipmi", MODE="0660"
+  '';
+
+  # Add a new ipmi-exporter user that can read the ipmi0 device
+  users.users.ipmi-exporter = {
+    isSystemUser = true;
+    group = "ipmi";
+  };
+
+  # Disable dynamic user so we have the ipmi-exporter user available for the credentials
+  systemd.services.prometheus-ipmi-exporter.serviceConfig = {
+    DynamicUser = lib.mkForce false;
+    PrivateDevices = lib.mkForce false;
+    User = lib.mkForce "ipmi-exporter";
+    Group = lib.mkForce "ipmi";
+    RestrictNamespaces = lib.mkForce false;
+    # Fake uid to 0 so it shuts up
+    ExecStart = let
+      cfg = config.services.prometheus.exporters.ipmi;
+    in lib.mkForce (lib.concatStringsSep " " ([
+      "${pkgs.util-linux}/bin/unshare --map-user 0"
+      "${pkgs.prometheus-ipmi-exporter}/bin/ipmi_exporter"
+      "--web.listen-address ${cfg.listenAddress}:${toString cfg.port}"
+      "--config.file ${lib.escapeShellArg cfg.configFile}"
+    ] ++ cfg.extraFlags));
+  };
+
+  services.prometheus = {
+    exporters = {
+      ipmi = {
+        enable = true;
+        configFile = config.age.secrets.ipmiYml.path;
+        #extraFlags = [ "--log.level=debug" ];
+        listenAddress = "127.0.0.1";
+      };
+      node = {
+        enable = true;
+        enabledCollectors = [ "logind" ];
+        port = 9002;
+        listenAddress = "127.0.0.1";
+      };
+      blackbox = {
+        enable = true;
+        listenAddress = "127.0.0.1";
+        configFile = ./blackbox.yml;
+      };
+    };
+
+    scrapeConfigs = [
+      {
+        job_name = "local";
+        static_configs = [{
+          targets = [
+            "127.0.0.1:9002" # Node exporter
+            #"127.0.0.1:9115" # Blackbox exporter
+            "127.0.0.1:9290" # IPMI exporter for local node
+            "127.0.0.1:9928" # UPC Qaire custom exporter
+            "127.0.0.1:9929" # Meteocat custom exporter
+            "127.0.0.1:9999" # Nix-daemon custom exporter
+          ];
+        }];
+      }
+      {
+        job_name = "blackbox-http";
+        metrics_path = "/probe";
+        params = { module = [ "http_2xx" ]; };
+        static_configs = [{
+          targets = [
+            "https://www.google.com/robots.txt"
+            "https://pm.bsc.es/"
+            "https://pm.bsc.es/gitlab/"
+            "https://jungle.bsc.es/"
+            "https://gitlab.bsc.es/"
+          ];
+        }];
+        relabel_configs = [
+          {
+            # Takes the address and sets it in the "target=<xyz>" URL parameter
+            source_labels = [ "__address__" ];
+            target_label = "__param_target";
+          }
+          {
+            # Sets the "instance" label with the remote host we are querying
+            source_labels = [ "__param_target" ];
+            target_label = "instance";
+          }
+          {
+            # Shows the host target address instead of the blackbox address
+            target_label = "__address__";
+            replacement = "127.0.0.1:9115";
+          }
+        ];
+      }
+      {
+        job_name = "blackbox-icmp";
+        metrics_path = "/probe";
+        params = { module = [ "icmp" ]; };
+        static_configs = [{
+          targets = [
+            "1.1.1.1"
+            "8.8.8.8"
+            "ssfhead"
+            "raccoon"
+            "anella-bsc.cesca.cat"
+            "upc-anella.cesca.cat"
+            "fox.ac.upc.edu"
+            "arenys5.ac.upc.edu"
+            "arenys0-2.ac.upc.edu"
+            "epi01.bsc.es"
+            "axle.bsc.es"
+          ];
+        }];
+        relabel_configs = [
+          {
+            # Takes the address and sets it in the "target=<xyz>" URL parameter
+            source_labels = [ "__address__" ];
+            target_label = "__param_target";
+          }
+          {
+            # Sets the "instance" label with the remote host we are querying
+            source_labels = [ "__param_target" ];
+            target_label = "instance";
+          }
+          {
+            # Shows the host target address instead of the blackbox address
+            target_label = "__address__";
+            replacement = "127.0.0.1:9115";
+          }
+        ];
+      }
+      {
+        job_name = "ipmi-raccoon";
+        metrics_path = "/ipmi";
+        static_configs = [
+          { targets = [ "127.0.0.1:9290" ]; }
+        ];
+        params = {
+          target = [ "raccoon-ipmi" ];
+          module = [ "raccoon" ];
+        };
+      }
+    ];
+  };
+}

m/tent/nginx.nix

@@ -0,0 +1,73 @@
+{ theFlake, pkgs, ... }:
+let
+  website = pkgs.stdenv.mkDerivation {
+    name = "jungle-web";
+    src = theFlake;
+    buildInputs = [ pkgs.hugo ];
+    buildPhase = ''
+      cd web
+      rm -rf public/
+      hugo
+    '';
+    installPhase = ''
+      cp -r public $out
+    '';
+    # Don't mess doc/
+    dontFixup = true;
+  };
+in
+{
+  networking.firewall.allowedTCPPorts = [ 80 ];
+  services.nginx = {
+    enable = true;
+    virtualHosts."jungle.bsc.es" = {
+      root = "${website}";
+      listen = [
+        {
+          addr = "0.0.0.0";
+          port = 80;
+        }
+      ];
+      extraConfig = ''
+        set_real_ip_from 127.0.0.1;
+        set_real_ip_from 84.88.52.107;
+        real_ip_recursive on;
+        real_ip_header X-Forwarded-For;
+
+        location /git {
+          rewrite ^/git$ / break;
+          rewrite ^/git/(.*) /$1 break;
+          proxy_pass http://127.0.0.1:3000;
+          proxy_redirect http:// $scheme://;
+        }
+        location /cache {
+          rewrite ^/cache/(.*) /$1 break;
+          proxy_pass http://127.0.0.1:5000;
+          proxy_redirect http:// $scheme://;
+        }
+        location /lists {
+          proxy_pass http://127.0.0.1:8081;
+          proxy_redirect http:// $scheme://;
+        }
+        location /grafana {
+          proxy_pass http://127.0.0.1:2342;
+          proxy_redirect http:// $scheme://;
+          proxy_set_header Host $host;
+          # Websockets
+          proxy_http_version 1.1;
+          proxy_set_header Upgrade $http_upgrade;
+          proxy_set_header Connection "upgrade";
+        }
+        location ~ ^/~(.+?)(/.*)?$ {
+          alias /vault/home/$1/public_html$2;
+          index  index.html index.htm;
+          autoindex on;
+          absolute_redirect off;
+        }
+        location /p/ {
+          alias /var/lib/p/;
+        }
+      '';
+    };
+  };
+}

m/tent/nix-serve.nix

@@ -0,0 +1,16 @@
+{ config, ... }:
+
+{
+  age.secrets.nixServe.file = ../../secrets/nix-serve.age;
+
+  services.nix-serve = {
+    enable = true;
+    # Only listen locally, as we serve it via ssh
+    bindAddress = "127.0.0.1";
+    port = 5000;
+
+    secretKeyFile = config.age.secrets.nixServe.path;
+    # Public key:
+    # jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=
+  };
+}

secrets/gitlab-runner-docker-token.age

@@ -1,9 +1,11 @@
 age-encryption.org/v1
--> ssh-ed25519 HY2yRg pXNTB/ailRwSEJG1pXvrzzpz5HqkDZdWVWnOH7JGeQ4
-NzA+2fxfkNRy/u+Zq96A02K1Vxy0ETYZjMkDVTKyCY8
--> ssh-ed25519 CAWG4Q 7CLJWn+EAxoWDduXaOSrHaBFHQ4GIpYP/62FFTj3ZTI
-vSYV1pQg2qI2ngCzM0nCZAnqdz1tbT4hM5m+/TyGU2c
--> ssh-ed25519 MSF3dg Akmp4NcZcDuaYHta/Vej6zulNSrAOCd5lmSV+OiBGC4
-qTxqVzTyywur+GjtUQdbaIUdH1fqCqPe6qPf8iHRa4w
---- uCKNqD1TmZZThOzlpsecBKx/k+noIWhCVMr/pzNwBr8
-r'<27>Ƌs4<15>˺<EFBFBD>Aĥ<41>P<05>L<EFBFBD><4C>7`	<09><02><>)H<><48>-<2D>0<EFBFBD>AH<41>5<16><><1F><>L<EFBFBD>Qe<51><65>H2b<32><1D>B޲<42>CJG<4A>"-S<><1C>\<5C><><0C>
H<n<>V
+-> ssh-ed25519 HY2yRg 6C5Cv7ILdBrpMkCTT/insUY0kyQWbfgU500Ai8ePOXY
+tMw6ehFrsq2dvDEXkLOJwrNZfI28trlr9uy3xW/fzpA
+-> ssh-ed25519 CAWG4Q x/j+364IYURgt7fhIPBzabbWMEg08nX8MRrJM/1Q6RU
+AL5Ut2rDr3UXcQXMZJ53ZMf5wMHmT83whx0ntJfW/WU
+-> ssh-ed25519 xA739A QjXftBsoGV1rVeHSKcsjp+HMpRVsaHOeeGdDcF6ZWg4
+ovVoYPaPn3liGPAxHWY37CBIUFjAXurv6jMWs2He3HQ
+-> ssh-ed25519 MSF3dg FG0CQOj9fRlneW5QrWiy5ksRpicUwHqX9QMpZWhDImw
+L20n1vZRepsRPT4xM6TO6PcI/MJxw4mBLUF0EPv9Uhs
+--- DEi7iuzkniq0JPatJ5f2KhrhxWid7ojHpvNfUCGxFtk
+<EFBFBD><EFBFBD>%	n<><6E>!;^Q<>
rqG<71>:<3A>jC.8l<38>|<7C><>o<EFBFBD><1E><>$LYy<59>N<EFBFBD>b<EFBFBD><1E><>:<14>{<7B><><EFBFBD>fާxTS\<5C>t<04>U<EFBFBD><55>\F<>)%<25><><EFBFBD>KL<4B>㙇p<E39987>:><3E><><EFBFBD><EFBFBD>&<1B>)<0B>Q<EFBFBD>1<>H܃V<DC83>Sޑ<53>n<>

secrets/secrets.nix

@@ -2,6 +2,8 @@ let
   keys = import ../keys.nix;
   adminsKeys = builtins.attrValues keys.admins;
   hut = [ keys.hosts.hut ] ++ adminsKeys;
+  mon = [ keys.hosts.hut keys.hosts.tent ] ++ adminsKeys;
+  tent = [ keys.hosts.tent ] ++ adminsKeys;
   # Only expose ceph keys to safe nodes and admins
   safe = keys.hostGroup.safe ++ adminsKeys;
 in
@@ -10,9 +12,13 @@ in
   "gitlab-runner-docker-token.age".publicKeys = hut;
   "gitlab-runner-shell-token.age".publicKeys = hut;
   "gitlab-bsc-docker-token.age".publicKeys = hut;
-  "nix-serve.age".publicKeys = hut;
-  "jungle-robot-password.age".publicKeys = hut;
-  "ipmi.yml.age".publicKeys = hut;
+  "nix-serve.age".publicKeys = mon;
+  "jungle-robot-password.age".publicKeys = mon;
+  "ipmi.yml.age".publicKeys = mon;
+
+  "tent-gitlab-runner-pm-docker-token.age".publicKeys = tent;
+  "tent-gitlab-runner-pm-shell-token.age".publicKeys = tent;
+  "tent-gitlab-runner-bsc-docker-token.age".publicKeys = tent;
 
   "ceph-user.age".publicKeys = safe;
   "munge-key.age".publicKeys = safe;

secrets/tent-gitlab-runner-pm-shell-token.age

@@ -0,0 +1,13 @@
+age-encryption.org/v1
+-> ssh-ed25519 G5LX5w V9bHLoGuY4stRwbzVS9Qa0L9yoY+UoCoXc+dJJQW/Ag
+2ut9GfdJ3KBCqZRaloZCQsl8MLfaZAZxqj6JtPJzu2k
+-> ssh-ed25519 CAWG4Q OAqnIfMECpKglZ7aF9tv/PQinG1Ou2+IEZ+nf4dtQjg
+dANdMLe4iI0d6Xd/dIMpZK+mgw2+VmJFQScHaIxD7WI
+-> ssh-ed25519 xA739A nVNF4Y6VSa5PP6FFBJpVmoFYYseoFx5F2wJU+Pwk+Xk
+A5CiuTSNlX9Y76qhYgblBdJl3zPhtjWho2oL5/sIKu0
+-> ssh-ed25519 MSF3dg /WMsGnBGzquIMyw06gHKpSS4OUxheulT59kxi+/pxxU
+ppwcv7RLzUbQUM7j0Tb9rRVT9XyPMhqYr2fr4S0nTJY
+--- zOe0Ko0oxArbmxePMPDVAT0pDju7IeOAih7sNrDcoVs
+i<EFBFBD>k<EFBFBD>A
+hODV<44>w!<21><0C><>E݈<45><DD88>+<2B><>`<60><><EFBFBD><EFBFBD>C<><43>5<EFBFBD>L<EFBFBD>A<EFBFBD>t<1A>M^
<01>E<<1B>HI<48>_<EFBFBD>nn<6E><6E><EFBFBD>o<EFBFBD>?<3F>j-<05>
+A<1B>nԔί<1B>>Z<><5A>z<EFBFBD><7A><EFBFBD>dT<64><54>b"<22>(@<40><>{_ځC

web/content/hut/_index.md

@@ -38,8 +38,8 @@ enable it for all builds in the system.
 ```nix
 { ... }: {
   nix.settings = {
-    substituters = [ "https://jungle.bsc.es/cache" ];
-    trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
+    extra-substituters = [ "https://jungle.bsc.es/cache" ];
+    extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
   };
 }
 ```
@@ -60,8 +60,8 @@ Note: you'll have to be a trusted user.
 If using nix outside of NixOS, you'll have to update `/etc/nix/nix.conf`
 
 ```
-# echo "substituters = https://jungle.bsc.es/cache" >> /etc/nix/nix.conf
-# echo "trusted-public-keys = jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" >> /etc/nix/nix.conf
+# echo "extra-substituters = https://jungle.bsc.es/cache" >> /etc/nix/nix.conf
+# echo "extra-trusted-public-keys = jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" >> /etc/nix/nix.conf
 ```
 
 ### Hint in flakes

web/content/paste/_index.md

@@ -5,13 +5,13 @@ author: "Rodrigo Arias Mallo"
 date: 2024-09-20
 ---
 
-The hut machine provides a paste service using the program `p` (as in paste).
+The tent machine provides a paste service using the program `p` (as in paste).
 
-You can use it directly from the hut machine or remotely if you have [SSH
-access](/access) to hut using the following alias:
+You can use it directly from the tent machine or remotely if you have [SSH
+access](/access) to tent using the following alias:
 
 ```
-alias p="ssh hut p"
+alias p="ssh tent p"
 ```
 
 You can add it to bashrc or zshrc for persistent installation.
@@ -19,7 +19,7 @@ You can add it to bashrc or zshrc for persistent installation.
 ## Usage
 
 The `p` command reads from the standard input, uploads the content to a file
-in the ceph filesystem and prints the URL to access it. It only accepts an
+in the local filesystem and prints the URL to access it. It only accepts an
 optional argument, which is the extension of the file that will be stored on
 disk (without the dot). By default it uses the `txt` extension, so plain text
 can be read in the browser directly.
@@ -28,21 +28,21 @@ can be read in the browser directly.
 p [extension]
 ```
 
-To remove files, go to `/ceph/p/$USER` and remove them manually.
+To remove files, go to `/var/lib/p/$USER` and remove them manually.
 
 ## Examples
 
 Share a text file, in this case the source of p itself:
 
 ```
-hut% p < m/hut/p.nix
+tent% p < m/tent/p.nix
 https://jungle.bsc.es/p/rarias/okbtG130.txt
 ```
 
 Paste the last dmesg lines directly from a pipe:
 
 ```
-hut% dmesg | tail -5 | p
+tent% dmesg | tail -5 | p
 https://jungle.bsc.es/p/rarias/luX4STm9.txt
 ```