16 Commits

15 changed files with 537 additions and 23 deletions

68
m/module/p.nix Normal file
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@@ -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));
};
};
};
}

14
m/tent/blackbox.yml Normal file
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@@ -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"

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@@ -6,6 +6,13 @@
../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
@@ -22,13 +29,11 @@
# 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";
};
nix.settings = {
extra-substituters = [ "https://jungle.bsc.es/cache" ];
extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
};
services.p.enable = true;
services.prometheus.exporters.node = {
enable = true;

29
m/tent/gitea.nix Normal file
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@@ -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 = "--";
};
};
};
}

85
m/tent/gitlab-runner.nix Normal file
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@@ -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;
}

203
m/tent/monitoring.nix Normal file
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@@ -0,0 +1,203 @@
{ config, lib, pkgs, ... }:
{
imports = [
../module/meteocat-exporter.nix
../module/upc-qaire-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
];
}];
}
{
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" ];
};
}
];
};
}

73
m/tent/nginx.nix Normal file
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@@ -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/;
}
'';
};
};
}

16
m/tent/nix-serve.nix Normal file
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@@ -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=
};
}

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@@ -1,11 +1,13 @@
age-encryption.org/v1
-> ssh-ed25519 HY2yRg PJVi+uAtVYX0QDMUG5/Ip9OrvpUacDhmqWc/n3gLW30
EkAFsA6KxxO6bAavRSyJ/faFTQnXqcI/+R1ZAujvmGQ
-> ssh-ed25519 CAWG4Q 0JqMbIWUuT0kc/5hdUd4i4Qp41W1LpaiLS5Qz3qlVU8
uTw5Xjr24vZ1uWeMjy/OVF5SR2EsTgREBF0L1sFEjR8
-> ssh-ed25519 xA739A Ssbmf6ra+Ov4YC9L0ygizkmwOg1GLztxfDQtNY/Y4G8
rbGwoyinV9phgBqaOgMJeqFKyAFB1fb0hLWhf4mviGE
-> ssh-ed25519 MSF3dg KcJlZUVuZaIAnnWxuXZmxZZ9v0whgVe9D3lqpR2GmEI
JND6nt2RWGT53gQp/rot2bXOpm3c4n/WPP4l5KJ/wFo
--- /C3CrTiYseZVwp0N4tMSOiAu49Mp/J6yUn3RUpfmqoc
ݙ0c^<5E>bX .7b<EFBFBD>ǜ]Cf<43>YB<59><03><0E>;<3B>d<EFBFBD><EFBFBD><E288AD>3<EFBFBD>%?߭<1E>r<><72><EFBFBD>2-<2D>՞<EFBFBD>'z]$[S<>f%̜<>ŏ
-> ssh-ed25519 HY2yRg T/Qom1qxE0M+FuvsXD/KZ6Usfp6v3Xwx043kDgxbCz4
6GRg0QjuHd2+d6lJfZqqPMPMjS91HEcJ/W0KRV6Et50
-> ssh-ed25519 G5LX5w pzg0wK+Q6KZP67CkyZNYbNcahlq9SIuFN18H85ARykU
aDSrO49tg/a3GOAJR96lh803bXoZqp/G6VMiSvf91vw
-> ssh-ed25519 CAWG4Q X+F/6LF8VUUoV72iCLzKKpYGRDoUHuBy1E+yr29RKEo
c779vpt/fiN7n0kGAc5jA9fWkzCPrthlNZdN4p6csrk
-> ssh-ed25519 xA739A sbg087VKj/gcycV9JrBNCoCfB4kRMDSVo3EtfpRVDyg
Lv5ges1KmxGwvz4UPZCD0v4YN2ms2Q3wmrJ14XCKYsQ
-> ssh-ed25519 MSF3dg pCLeyeWYbnNWQwwlGcsKz0KZ4BaaYKCGjo0XOPpo+no
IsNxFoB2nTxyThJxtAxSA6gauXHGQJnVefs/K2MZ+DM
--- tgB3F+k1/PQt+r5Cz+FqH31hCZFvr0Y8uZVKkdA80yo
60.<2E><><19><0F><><EFBFBD><EFBFBD>(<28>s<EFBFBD>?68<36><38>Q<EFBFBD>I<><49><EFBFBD>d<EFBFBD><64><EFBFBD>gb<67><62><EFBFBD><EFBFBD><EFBFBD><04>`<60><><13><>A<EFBFBD><EFBFBD>z<L}<7D>2&w <0B>!<21><>6<EFBFBD> ;F<><46>r<EFBFBD>BR\<5C><><1B>ً<02>h"<22>"<22><>~q<>×<EFBFBD><C397><EFBFBD><31><C6BE>!({0<>^<5E><>Q<05>1e<31><0F><><EFBFBD><EFBFBD><><E0AD8F>+<2B>

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@@ -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;

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@@ -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><><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

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@@ -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.
@@ -35,14 +35,14 @@ To remove files, go to `/ceph/p/$USER` and remove them manually.
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
```