--- /dev/null
+This directory regroups regularly-accessed nix-shells that require (or
+not) a bit of configuration to run and may not be trivial to write from
+scratch.
--- /dev/null
+with import <nixpkgs> {};
+mkShell {
+ buildInputs = [ (python3.withPackages (ps: [ ps.ipython ])) ];
+}
--- /dev/null
+with import <nixpkgs> {};
+ mkShell {
+ buildInputs = [ mariadb ];
+ shellHook = ''
+ export MARIADBHOST=$PWD/mysql
+ export LANG=en_US.UTF-8;
+ export LOCALE_ARCHIVE=${glibcLocales}/lib/locale/locale-archive;
+ export MYSQL_UNIX_PORT=$MARIADBHOST/mysql.sock
+ mkdir -p $MARIADBHOST
+ cat > $MARIADBHOST/my.cnf <<EOF
+ [mysqld]
+ skip-networking
+ datadir=$MARIADBHOST
+ socket=$MARIADBHOST/mysql.sock
+ EOF
+ echo 'Initializing mysql database...'
+ mysql_install_db --defaults-file=$MARIADBHOST/my.cnf --datadir=$MARIADBHOST --basedir=${mariadb} > $MARIADBHOST/LOG 2>&1
+ mysqld --defaults-file=$MARIADBHOST/my.cnf --datadir=$MARIADBHOST --basedir=${mariadb} --pid-file=$MARIADBHOST/mariadb.pid >> $MARIADBHOST/LOG 2>&1 &
+ finish() {
+ mysqladmin shutdown
+ rm -rf "$MARIADBHOST";
+ }
+ trap finish EXIT
+ '';
+ }
+
--- /dev/null
+with import <nixpkgs> {};
+ mkShell {
+ buildInputs = [ postgresql_11 glibcLocales ];
+ shellHook = ''
+ export PGDB="dummy";
+ export PGDATA=$PWD/postgres
+ export PGHOST=$PWD/postgres
+ export PGPORT=5432
+ export LOG_PATH=$PWD/postgres/LOG
+ export PGDATABASE=postgres
+ export DATABASE_URL="postgresql:///postgres?host=$PGDATA"
+ export LANG=en_US.UTF-8;
+ export LOCALE_ARCHIVE=${glibcLocales}/lib/locale/locale-archive;
+ mkdir -p $PGDATA
+ echo 'Initializing postgresql database...'
+ initdb $PGDATA --auth=trust >/dev/null
+ pg_ctl start -w -l $LOG_PATH -o "-c synchronous_commit=off -c listen_addresses= -c unix_socket_directories=$PGDATA"
+ createdb "$PGDB";
+ finish() {
+ pg_ctl stop -m fast;
+ rm -rf "$PGDATA";
+ }
+ trap finish EXIT
+ '';
+ }
+
--- /dev/null
+# run with
+# nix-shell shell.nix --run 'touch in ; tail -f in | bash & echo $! > pid'
+# and then send commands with
+# echo 'compute_me "1 + 3"' >> in
+{ pkgs ? import <nixpkgs> {} }:
+pkgs.mkShell {
+ buildInputs = [ pkgs.bc ];
+ shellHook = ''
+ compute_me() {
+ echo "$1" | bc;
+ }
+ export -f compute_me
+
+ echo "I’m ready"
+ '';
+}
--- /dev/null
+.PHONY: run_light
+run_light:
+ $(shell nix-build images.nix --no-out-link -A light)
+
+.PHONY: run_standalone
+run_standalone:
+ $(shell nix-build images.nix --no-out-link -A standalone)
+
+.PHONY: run_docker
+run_docker:
+ $(shell nix-build images.nix --no-out-link -A docker)
+
+.PHONY: build_light
+build_light:
+ nix-build images.nix --no-out-link -A light.eval
+
+.PHONY: build_standalone
+build_standalone:
+ nix-build images.nix --no-out-link -A standalone.eval
+
+.PHONY: build_docker
+build_docker:
+ nix-build images.nix --no-out-link -A docker.eval
--- /dev/null
+This directory regroups several ways to run a VM, all building the same configuration.nix file
+- A light VM to run with QEMU binding to the host store
+- A standalone VM to run with QEMU
+- A docker VM
+
+In last two cases, you may build an image or directly execute it (see
+Makefile)
--- /dev/null
+{ pkgs, ... }:
+{
+ config = {
+ users.users.root.password = "";
+ users.mutableUsers = false;
+
+ environment.systemPackages = [
+ pkgs.curl
+ ];
+ systemd.services.django-hello-world = {
+ description = "An example django app";
+ wantedBy = [ "multi-user.target" ];
+ after = [ "network.target" ];
+
+ preStart = "rm -rf /var/lib/django_app/test_app && cp -a ${./test_django} /var/lib/django_app/test_app";
+ script =
+ let pythonWithDjango = pkgs.python3.withPackages (p: [ p.django ]);
+ in "cd /var/lib/django_app/test_app && ${pythonWithDjango}/bin/python manage.py runserver";
+ serviceConfig = {
+ WorkingDirectory = "/var/lib/django_app";
+ StateDirectory = "django_app";
+ };
+ };
+ };
+}
--- /dev/null
+let
+ pkgs = import <nixpkgs> {};
+ lib = pkgs.lib;
+ toEval = modules:
+ import <nixpkgs/nixos/lib/eval-config.nix> {
+ system = pkgs.system;
+ modules = [ ./configuration.nix ] ++ modules;
+ };
+ modules = {
+ docker = [
+ {
+ config = {
+ boot.isContainer = true;
+ system.activationScripts.installInitScript = ''
+ ln -fs $systemConfig/init /init
+ '';
+ };
+ }
+ ];
+ light = [
+ { config.virtualisation.graphics = false; }
+ <nixpkgs/nixos/modules/virtualisation/qemu-vm.nix>
+ ];
+ standalone = [
+ {
+ config = {
+ fileSystems."/" = {
+ device = "/dev/disk/by-label/nixos";
+ fsType = "ext4";
+ autoResize = true;
+ };
+
+ boot = {
+ kernelParams = [ "console=ttyS0" ];
+ loader = {
+ timeout = 0;
+ grub.device = "/dev/xvda";
+ grub.configurationLimit = 0;
+ };
+
+ initrd = {
+ network.enable = true;
+ };
+ };
+
+ services.udisks2.enable = false;
+ };
+ }
+ ];
+ };
+ evals = {
+ light = (toEval modules.light).config.system.build.vm;
+ docker =
+ # inspired from
+ # https://github.com/NixOS/nixpkgs/blob/master/nixos/modules/virtualisation/docker-image.nix
+ let
+ eval = toEval modules.docker;
+ in
+ pkgs.callPackage <nixpkgs/nixos/lib/make-system-tarball.nix> {
+ contents = [
+ {
+ source = "${eval.config.system.build.toplevel}/.";
+ target = "./";
+ }
+ ];
+ extraArgs = "--owner=0";
+
+ # Add init script to image
+ storeContents = map (x: { object = x; symlink = "none"; }) [
+ eval.config.system.build.toplevel
+ pkgs.stdenv
+ ];
+
+ # Some container managers like lxc need these
+ extraCommands = "mkdir -p proc sys dev";
+ };
+ standalone =
+ let
+ eval = toEval modules.standalone;
+ name = "nixos-${eval.config.system.nixos.label}-${pkgs.stdenv.hostPlatform.system}";
+ in
+ import <nixpkgs/nixos/lib/make-disk-image.nix> {
+ inherit lib name pkgs;
+ config = eval.config;
+ contents = [];
+ diskSize = 2048;
+ format = "qcow2";
+ postVM = ''
+ extension=''${diskImage##*.}
+ friendlyName=$out/${name}.$extension
+ mv "$diskImage" "$friendlyName"
+ diskImage=$friendlyName
+
+ mkdir -p $out/nix-support
+
+ ${pkgs.jq}/bin/jq -n \
+ --arg label ${lib.escapeShellArg eval.config.system.nixos.label} \
+ --arg system ${lib.escapeShellArg pkgs.stdenv.hostPlatform.system} \
+ --arg logical_bytes "$(${pkgs.qemu}/bin/qemu-img info --output json "$diskImage" | ${pkgs.jq}/bin/jq '."virtual-size"')" \
+ --arg file "$diskImage" \
+ '$ARGS.named' \
+ > $out/nix-support/image-info.json
+ '';
+ };
+ };
+ scripts = {
+ standalone = pkgs.writeScript "run" ''
+ #!${pkgs.stdenv.shell}
+
+ file=$(cat ${evals.standalone}/nix-support/image-info.json | jq -r .file)
+ cp $file ./nixos.qcow2
+ chmod u+w nixos.qcow2
+
+ trap "rm -f nixos.qcow2" EXIT
+ ${pkgs.qemu}/bin/qemu-system-x86_64 -nographic --cpu host --enable-kvm -hda nixos.qcow2
+ '';
+ light = pkgs.writeScript "run" ''
+ #!${pkgs.stdenv.shell}
+
+ trap "rm -f nixos.qcow2" EXIT
+ ${evals.light}/bin/run-nixos-vm
+ '';
+ docker = pkgs.writeScript "run" ''
+ #!${pkgs.stdenv.shell}
+
+ docker import ${evals.docker}/tarball/nixos-system-*.tar.xz nixos-docker
+ cid=$(docker run --rm --privileged --detach nixos-docker /init)
+ trap "docker stop $cid" EXIT
+ sleep 10
+ docker exec -it $cid /run/current-system/sw/bin/bash
+ '';
+ };
+in
+ lib.mapAttrs (name: v: v // { run = scripts.${name}; eval = evals.${name}; modules = modules.${name};}) scripts
--- /dev/null
+#!/nix/store/f87w21b91cws0wbsvyfn5vnlyv491czi-python3-3.8.3/bin/python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+ os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'test_django.settings')
+ try:
+ from django.core.management import execute_from_command_line
+ except ImportError as exc:
+ raise ImportError(
+ "Couldn't import Django. Are you sure it's installed and "
+ "available on your PYTHONPATH environment variable? Did you "
+ "forget to activate a virtual environment?"
+ ) from exc
+ execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+ main()
--- /dev/null
+"""
+Django settings for test_django project.
+
+Generated by 'django-admin startproject' using Django 2.2.13.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.2/topics/settings/
+
+For the full list of settings and their values, see
+https://docs.djangoproject.com/en/2.2/ref/settings/
+"""
+
+import os
+
+# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+
+
+# Quick-start development settings - unsuitable for production
+# See https://docs.djangoproject.com/en/2.2/howto/deployment/checklist/
+
+# SECURITY WARNING: keep the secret key used in production secret!
+SECRET_KEY = '#mvm7ddn4qmsr94a5n-bs#q88&=x_+f(x&dzg!!@@g1!0ibi0f'
+
+# SECURITY WARNING: don't run with debug turned on in production!
+DEBUG = True
+
+ALLOWED_HOSTS = []
+
+
+# Application definition
+
+INSTALLED_APPS = [
+ 'django.contrib.admin',
+ 'django.contrib.auth',
+ 'django.contrib.contenttypes',
+ 'django.contrib.sessions',
+ 'django.contrib.messages',
+ 'django.contrib.staticfiles',
+]
+
+MIDDLEWARE = [
+ 'django.middleware.security.SecurityMiddleware',
+ 'django.contrib.sessions.middleware.SessionMiddleware',
+ 'django.middleware.common.CommonMiddleware',
+ 'django.middleware.csrf.CsrfViewMiddleware',
+ 'django.contrib.auth.middleware.AuthenticationMiddleware',
+ 'django.contrib.messages.middleware.MessageMiddleware',
+ 'django.middleware.clickjacking.XFrameOptionsMiddleware',
+]
+
+ROOT_URLCONF = 'test_django.urls'
+
+TEMPLATES = [
+ {
+ 'BACKEND': 'django.template.backends.django.DjangoTemplates',
+ 'DIRS': [],
+ 'APP_DIRS': True,
+ 'OPTIONS': {
+ 'context_processors': [
+ 'django.template.context_processors.debug',
+ 'django.template.context_processors.request',
+ 'django.contrib.auth.context_processors.auth',
+ 'django.contrib.messages.context_processors.messages',
+ ],
+ },
+ },
+]
+
+WSGI_APPLICATION = 'test_django.wsgi.application'
+
+
+# Database
+# https://docs.djangoproject.com/en/2.2/ref/settings/#databases
+
+DATABASES = {
+ 'default': {
+ 'ENGINE': 'django.db.backends.sqlite3',
+ 'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
+ }
+}
+
+
+# Password validation
+# https://docs.djangoproject.com/en/2.2/ref/settings/#auth-password-validators
+
+AUTH_PASSWORD_VALIDATORS = [
+ {
+ 'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
+ },
+ {
+ 'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
+ },
+ {
+ 'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
+ },
+ {
+ 'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
+ },
+]
+
+
+# Internationalization
+# https://docs.djangoproject.com/en/2.2/topics/i18n/
+
+LANGUAGE_CODE = 'en-us'
+
+TIME_ZONE = 'UTC'
+
+USE_I18N = True
+
+USE_L10N = True
+
+USE_TZ = True
+
+
+# Static files (CSS, JavaScript, Images)
+# https://docs.djangoproject.com/en/2.2/howto/static-files/
+
+STATIC_URL = '/static/'
--- /dev/null
+"""test_django URL Configuration
+
+The `urlpatterns` list routes URLs to views. For more information please see:
+ https://docs.djangoproject.com/en/2.2/topics/http/urls/
+Examples:
+Function views
+ 1. Add an import: from my_app import views
+ 2. Add a URL to urlpatterns: path('', views.home, name='home')
+Class-based views
+ 1. Add an import: from other_app.views import Home
+ 2. Add a URL to urlpatterns: path('', Home.as_view(), name='home')
+Including another URLconf
+ 1. Import the include() function: from django.urls import include, path
+ 2. Add a URL to urlpatterns: path('blog/', include('blog.urls'))
+"""
+from django.contrib import admin
+from django.urls import path
+
+urlpatterns = [
+ path('admin/', admin.site.urls),
+]
--- /dev/null
+"""
+WSGI config for test_django project.
+
+It exposes the WSGI callable as a module-level variable named ``application``.
+
+For more information on this file, see
+https://docs.djangoproject.com/en/2.2/howto/deployment/wsgi/
+"""
+
+import os
+
+from django.core.wsgi import get_wsgi_application
+
+os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'test_django.settings')
+
+application = get_wsgi_application()
projects / perso / Immae / Config / Nixies.git / commitdiff
