forked from axeman/erpnext-nix
WIP: Create a vm with systemd services to run erpnext
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50
flake.nix
50
flake.nix
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@ -9,29 +9,35 @@
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};
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outputs = {nixpkgs, flake-utils, pip2nix, ...}:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = import nixpkgs {
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inherit system;
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overlays = [
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(import ./python-overlay.nix)
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(import ./overlay.nix)
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let
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pkgs = system: import nixpkgs {
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inherit system;
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overlays = [
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(import ./python-overlay.nix)
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(import ./overlay.nix)
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];
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};
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packages = flake-utils.lib.eachDefaultSystem (system: rec {
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devEnv = pkgs.buildEnv {
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name = "erpnext-nix-dev-env";
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paths = [
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pkgs.dasel
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];
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};
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in rec {
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packages = {
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devEnv = pkgs.buildEnv {
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name = "erpnext-nix-dev-env";
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paths = [
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pkgs.dasel
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];
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};
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inherit pkgs;
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run-erpnext = pkgs.run-erpnext;
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pip2nix = import "${pip2nix}/default.nix" { inherit pkgs; pythonPackages = "python310Packages"; };
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erpnext = pkgs.python3.pkgs.erpnext;
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bench = pkgs.python3.pkgs.bench;
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pythonPkgs = pkgs.python3.pkgs;
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inherit pkgs;
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run-erpnext = pkgs.run-erpnext;
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pip2nix = import "${pip2nix}/default.nix" { inherit pkgs; pythonPackages = "python310Packages"; };
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erpnext = pkgs.python3.pkgs.erpnext;
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bench = pkgs.python3.pkgs.bench;
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pythonPkgs = pkgs.python3.pkgs;
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});
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nixosConfigurations = {
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test-vm = nixpkgs.lib.nixosSystem {
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pkgs = pkgs "x86_64-linux";
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system = "x86_64-linux";
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modules = [./test-vm/configuration.nix];
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};
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});
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};
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in {inherit packages nixosConfigurations;};
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}
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132
test-vm/configuration.nix
Normal file
132
test-vm/configuration.nix
Normal file
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@ -0,0 +1,132 @@
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{ pkgs, lib, config, modulesPath, ... }:
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with lib;
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{
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imports = [
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"${modulesPath}/profiles/minimal.nix"
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"${modulesPath}/profiles/qemu-guest.nix"
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"${modulesPath}/virtualisation/qemu-vm.nix"
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];
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config = {
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services.qemuGuest.enable = true;
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fileSystems."/" = {
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device = "/dev/disk/by-label/nixos";
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fsType = "ext4";
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autoResize = true;
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};
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boot = {
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growPartition = true;
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loader.timeout = 5;
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};
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virtualisation = {
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diskSize = 8000; # MB
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memorySize = 2048; # MB
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# We don't want to use tmpfs, otherwise the nix store's size will be bounded
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# by a fraction of available RAM.
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writableStoreUseTmpfs = false;
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};
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# So that we can ssh into the VM, see e.g.
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# http://blog.patapon.info/nixos-local-vm/#accessing-the-vm-with-ssh
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services.openssh.enable = true;
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services.openssh.settings.PermitRootLogin = "yes";
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# Give root an empty password to ssh in.
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users.extraUsers.root.password = "";
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users.mutableUsers = false;
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environment.systemPackages = with pkgs; [
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git
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htop
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neovim
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];
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services.mysql = {
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enable = true;
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package = pkgs.mariadb;
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};
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services.redis.servers = {
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# Queue, naming it "" makes it use default values.
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"".enable = true;
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socketio = {
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enable = true;
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port = 12311;
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};
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};
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users.users.erpnext = {
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description = "User to run erpnext";
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group = "erpnext";
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isSystemUser = true;
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};
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systemd.services.erpnext =
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let
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penv = python3.buildEnv.override {
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extraLibs = [
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python3.pkgs.frappe
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python3.pkgs.erpnext
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python3.pkgs.bench
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];
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};
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in
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{
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enable = true;
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wantedBy = [ "multi-user.target" ];
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after = [ "mysql.service" "redis.service" "redis-socketio.service" ];
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description = "ERPNext";
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confinement = {
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enable = true;
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packages = [ ];
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};
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script = ''
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export PYTHON_PATH=${penv}/${python3.sitePackages}
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cat > /frappe-bench/sites/apps.txt <<EOF
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frappe
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erpnext
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EOF
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cat >/frape-bench/sites/common_site_config.json <<EOF
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{
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"db_host": "localhost",
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"db_port": 3306,
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"db_name": "erpnext" ,
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"db_password": "erpnext" ,
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"redis_cache": "redis://localhost:6379?db=0",
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"redis_queue": "redis://localhost:6379?db=1",
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"redis_socketio": "redis://localhost:6379?db=2",
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"socketio_port": 3000
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}
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EOF
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# Upstream initializes the DB with this command
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# TODO: Make this idempotent
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cd /frappe-bench/sites
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bench new-site localhost --mariadb-root-password password --admin-password admin
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bench --site localhost install-app erpnext
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echo "Workdir: $tmp"
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# TODO: Run these as systemd units
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node $tmp/apps/frappe/socketio.js &
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gunicorn --chdir="$tmp/sites" --bind=0.0.0.0:9090 --threads=4 --workers=2 --worker-class=gthread --worker-tmp-dir=/dev/shm --timeout=120 --preload frappe.app:application
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'';
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serviceConfig = {
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User = "erpnext";
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NoNewPrivileges = true;
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Type = "simple";
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BindReadOnlyPaths = [
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"${frappe-app}/share/apps/frappe:/frappe-bench/apps/frappe"
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"${erpnext-app}/share/apps/erpnext:/frappe-bench/apps/erpnext"
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"${frappe-erpnext-assets}/share/sites/assets:/frappe-bench/sites/assets"
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# "${penv}:/frappe-bench/env"
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];
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};
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};
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};
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}
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