ghost: init

This commit is contained in:
Jill 2023-02-01 02:14:27 +01:00
parent 639d9a864d
commit 4e92a5eae8
5 changed files with 193 additions and 0 deletions

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@ -22,6 +22,15 @@
nix.settings.cores = 3;
nix.settings.max-jobs = 6;
# disabling this is what's considered a "Bad Idea"
# however it is required by packages/ghost.nix, which
# is borrowed from https://notes.abhinavsarkar.net/2022/ghost-on-nixos
#
# i don't know of a cleaner way to do this, and i
# don't want to deal with ghost any longer than i
# already have, so This Will Do
nix.settings.sandbox = false;
modules.hardware.fs = {
enable = true;
ssd.enable = true;

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@ -98,6 +98,12 @@ in {
domain = "dev-firepit.oat.zone";
port = 4444;
};
ghost = {
enable = true;
domain = "blog.oat.zone";
port = 1357;
};
};
};

158
modules/services/ghost.nix Normal file
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@ -0,0 +1,158 @@
{ pkgs, lib, config, options, ... }:
with lib;
let
cfg = config.modules.services.ghost;
# user used to run the Ghost service
userName = builtins.replaceStrings [ "." ] [ "_" ] cfg.domain;
in {
options.modules.services.ghost = {
enable = mkOption {
type = types.bool;
default = false;
};
package = mkOption {
type = types.package;
default = pkgs._.ghost;
};
domain = mkOption {
type = types.str;
default = "blog.oat.zone";
};
port = mkOption {
type = types.int;
default = 1357;
};
dataDir = mkOption {
type = types.str;
default = "/var/lib/${userName}";
};
};
config = let
# directory used to save the blog content
dataDir = cfg.dataDir;
# script that sets up the Ghost content directory
setupScript = pkgs.writeScript "${cfg.domain}-setup.sh" ''
#! ${pkgs.stdenv.shell} -e
chmod g+s "${dataDir}"
[[ ! -d "${dataDir}/content" ]] && cp -r "${cfg.package}/content" "${dataDir}/content"
chown -R "${userName}":"${userName}" "${dataDir}/content"
chmod -R +w "${dataDir}/content"
ln -f -s "/etc/${cfg.domain}.json" "${dataDir}/config.production.json"
[[ -d "${dataDir}/current" ]] && rm "${dataDir}/current"
ln -f -s "${cfg.package}/current" "${dataDir}/current"
[[ -d "${dataDir}/content/themes/casper" ]] && rm "${dataDir}/content/themes/casper"
ln -f -s "${cfg.package}/current/content/themes/casper" "${dataDir}/content/themes/casper"
'';
in lib.mkIf cfg.enable {
# Creates the user and group
users.users.${userName} = {
isSystemUser = true;
group = userName;
createHome = true;
home = dataDir;
};
users.groups.${userName} = { };
# Creates the Ghost config
environment.etc."${cfg.domain}.json".text = ''
{
"url": "https://${cfg.domain}",
"server": {
"port": ${toString cfg.port},
"host": "0.0.0.0"
},
"database": {
"client": "mysql",
"connection": {
"host": "localhost",
"user": "${userName}",
"database": "${userName}",
"password": "",
"socketPath": "/run/mysqld/mysqld.sock"
}
},
"mail": {
"transport": "sendmail"
},
"logging": {
"transports": ["stdout"]
},
"paths": {
"contentPath": "${dataDir}/content"
}
}
'';
# Sets up the Systemd service
systemd.services."${cfg.domain}" = {
enable = true;
description = "${cfg.domain} ghost blog";
restartIfChanged = true;
restartTriggers =
[ cfg.package config.environment.etc."${cfg.domain}.json".source ];
requires = [ "mysql.service" ];
after = [ "mysql.service" ];
path = [ pkgs.nodejs pkgs.vips ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
User = userName;
Group = userName;
WorkingDirectory = dataDir;
# Executes the setup script before start
ExecStartPre = setupScript;
# Runs Ghost with node
ExecStart = "${pkgs.nodejs}/bin/node current/index.js";
# Sandboxes the Systemd service
AmbientCapabilities = [ ];
CapabilityBoundingSet = [ ];
KeyringMode = "private";
LockPersonality = true;
NoNewPrivileges = true;
PrivateDevices = true;
PrivateMounts = true;
PrivateTmp = true;
ProtectClock = true;
ProtectControlGroups = true;
ProtectHome = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectSystem = "full";
RemoveIPC = true;
RestrictAddressFamilies = [ ];
RestrictNamespaces = true;
RestrictRealtime = true;
};
environment = { NODE_ENV = "production"; };
};
# Sets up the blog virtual host on NGINX
services.nginx.virtualHosts.${cfg.domain} = {
# Sets up Lets Encrypt SSL certificates for the blog
forceSSL = true;
enableACME = true;
locations."/" = { proxyPass = "http://127.0.0.1:${toString cfg.port}"; };
extraConfig = ''
charset UTF-8;
add_header Strict-Transport-Security "max-age=2592000; includeSubDomains" always;
add_header Referrer-Policy "strict-origin-when-cross-origin";
add_header X-Frame-Options "SAMEORIGIN";
add_header X-XSS-Protection "1; mode=block";
add_header X-Content-Type-Options nosniff;
'';
};
# Sets up MySQL database and user for Ghost
services.mysql = {
ensureDatabases = [ userName ];
ensureUsers = [{
name = userName;
ensurePermissions = { "${userName}.*" = "ALL PRIVILEGES"; };
}];
};
};
}

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@ -0,0 +1,9 @@
source "$stdenv"/setup
export HOME=$(mktemp -d)
npm install --loglevel=info --logs-max=0 "ghost-cli@$ghostCliVersion"
mkdir --parents "$out"/
node_modules/ghost-cli/bin/ghost install "$version" --db=sqlite3 \
--no-enable --no-prompt --no-stack --no-setup --no-start --dir "$out"

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@ -0,0 +1,11 @@
{ pkgs }:
let
pname = "ghost";
version = "5.33.2";
in pkgs.stdenv.mkDerivation {
inherit pname version;
buildInputs = with pkgs; [ nodejs yarn vips ];
ghostCliVersion = "1.24.0";
builder = ./builder.sh;
}