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|
# This file configures camden.tazj.in, my homeserver.
{ depot, lib, ... }:
config: let
nixpkgs = import depot.third_party.nixpkgsSrc {
config.allowUnfree = true;
};
in lib.fix(self: {
imports = [ ../modules/tailscale.nix ];
# camden is intended to boot unattended, despite having an encrypted
# root partition.
#
# The below configuration uses an externally connected USB drive
# that contains a LUKS key file to unlock the disk automatically at
# boot.
#
# TODO(tazjin): Configure LUKS unlocking via SSH instead.
boot = {
initrd = {
availableKernelModules = [
"ahci" "xhci_pci" "usbhid" "usb_storage" "sd_mod" "sdhci_pci"
"rtsx_usb_sdmmc" "r8169"
];
kernelModules = [ "dm-snapshot" ];
luks.devices.camden-crypt = {
fallbackToPassword = true;
device = "/dev/disk/by-label/camden-crypt";
keyFile = "/dev/sdb";
keyFileSize = 4096;
};
};
loader = {
systemd-boot.enable = true;
efi.canTouchEfiVariables = true;
};
cleanTmpDir = true;
};
fileSystems = {
"/" = {
device = "/dev/disk/by-label/camden-root";
fsType = "ext4";
};
"/home" = {
device = "/dev/disk/by-label/camden-home";
fsType = "ext4";
};
"/boot" = {
device = "/dev/disk/by-label/BOOT";
fsType = "vfat";
};
};
nix = {
maxJobs = lib.mkDefault 4;
nixPath = [
"depot=/home/tazjin/depot"
"nixpkgs=${depot.third_party.nixpkgsSrc}"
];
trustedUsers = [ "root" "tazjin" ];
};
nixpkgs.pkgs = nixpkgs;
powerManagement.cpuFreqGovernor = lib.mkDefault "powersave";
networking = {
hostName = "camden";
interfaces.enp1s0.useDHCP = true;
firewall.allowedTCPPorts = [ 22 8080 80 443 ];
};
time.timeZone = "UTC";
# System-wide application setup
programs.fish.enable = true;
programs.mosh.enable = true;
environment.systemPackages =
# programs from the depot
(with depot; [
third_party.git
third_party.tailscale
third_party.pounce
]) ++
# programs from nixpkgs
(with nixpkgs; [
curl
direnv
emacs26-nox
gnupg
htop
pass
pciutils
]);
users = {
# Set up my own user for logging in and doing things ...
users.tazjin = {
isNormalUser = true;
uid = 1000;
extraGroups = [ "git" "wheel" ];
shell = nixpkgs.fish;
};
# Set up a user & group for general git shenanigans
groups.git = {};
users.git = {
group = "git";
isNormalUser = false;
};
};
# Services setup
services.openssh.enable = true;
services.haveged.enable = true;
# Join Tailscale into home network
services.tailscale = {
enable = true;
relayConf = "/etc/tailscale.conf";
package = depot.third_party.tailscale;
aclFile = depot.nix.tailscale {
ACLs = [
# Allow any traffic from myself
{
Action = "accept";
Users = [ "mail@tazj.in" ];
Ports = [ "*:*" ];
}
];
} ;
};
# Run cgit for the depot. The onion here is nginx(thttpd(cgit)).
systemd.services.cgit = {
wantedBy = [ "multi-user.target" ];
script = "${depot.web.cgit-taz}/bin/cgit-launch";
serviceConfig = {
Restart = "on-failure";
User = "git";
Group = "git";
};
};
# Provision a TLS certificate outside of nginx to avoid
# nixpkgs#38144
security.acme.certs."tazj.in" = {
user = "nginx";
group = "nginx";
webroot = "/var/lib/acme/acme-challenge";
extraDomains = {
"git.tazj.in" = null;
"www.tazj.in" = null;
# Local domains (for this machine only)
"camden.tazj.in" = null;
"git.camden.tazj.in" = null;
};
postRun = "systemctl reload nginx";
};
# serve my website
services.nginx = {
enable = true;
enableReload = true;
recommendedTlsSettings = true;
recommendedGzipSettings = true;
recommendedProxySettings = true;
commonHttpConfig = ''
log_format json_combined escape=json
'{'
'"time_local":"$time_local",'
'"remote_addr":"$remote_addr",'
'"remote_user":"$remote_user",'
'"request":"$request",'
'"status": "$status",'
'"body_bytes_sent":"$body_bytes_sent",'
'"request_time":"$request_time",'
'"http_referrer":"$http_referer",'
'"http_user_agent":"$http_user_agent"'
'}';
access_log syslog:server=unix:/dev/log json_combined;
'';
virtualHosts.homepage = {
serverName = "tazj.in";
serverAliases = [ "camden.tazj.in" ];
default = true;
useACMEHost = "tazj.in";
root = depot.web.homepage;
addSSL = true;
extraConfig = ''
${depot.web.blog.oldRedirects}
location ~* \.(webp|woff2)$ {
add_header Cache-Control "public, max-age=31536000";
}
location /blog/ {
alias ${depot.web.blog.rendered}/;
if ($request_uri ~ ^/(.*)\.html$) {
return 302 /$1;
}
try_files $uri $uri.html $uri/ =404;
}
location /blobs/ {
alias /var/www/blobs/;
}
'';
};
virtualHosts.cgit = {
serverName = "git.tazj.in";
serverAliases = [ "git.camden.tazj.in" ];
useACMEHost = "tazj.in";
addSSL = true;
extraConfig = ''
# Static assets must always hit the root.
location ~ ^/(favicon\.ico|cgit\.(css|png))$ {
proxy_pass http://localhost:2448;
}
# Everything else hits the depot directly.
location / {
proxy_pass http://localhost:2448/cgit.cgi/depot/;
}
'';
};
};
system.stateVersion = "19.09";
})
|
