selfprivacy-rest-api/flake.nix

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{
description = "SelfPrivacy API flake";
inputs.nixpkgs.url = "github:nixos/nixpkgs";
outputs = { self, nixpkgs, ... }:
let
system = "x86_64-linux";
pkgs = nixpkgs.legacyPackages.${system};
selfprivacy-graphql-api = pkgs.callPackage ./default.nix {
pythonPackages = pkgs.python310Packages;
rev = self.shortRev or self.dirtyShortRev or "dirty";
};
python = self.packages.${system}.default.pythonModule;
python-env =
python.withPackages (ps:
self.packages.${system}.default.propagatedBuildInputs ++ (with ps; [
coverage
pytest
pytest-datadir
pytest-mock
2024-02-26 19:49:32 +00:00
pytest-subprocess
black
mypy
pylsp-mypy
python-lsp-black
python-lsp-server
pyflakes
typer # for strawberry
] ++ strawberry-graphql.optional-dependencies.cli));
vmtest-src-dir = "/root/source";
shellMOTD = ''
Welcome to SP API development shell!
[formatters]
black
nixpkgs-fmt
[testing in NixOS VM]
nixos-test-driver - run an interactive NixOS VM with with all dependencies
pytest-vm - run pytest in an ephemeral NixOS VM with Redis, accepting pytest arguments
'';
in
{
# see https://github.com/NixOS/nixpkgs/blob/66a9817cec77098cfdcbb9ad82dbb92651987a84/nixos/lib/test-driver/test_driver/machine.py#L359
packages.${system} = {
default = selfprivacy-graphql-api;
pytest-vm = pkgs.writeShellScriptBin "pytest-vm" ''
set -o errexit
set -o nounset
set -o xtrace
# see https://github.com/NixOS/nixpkgs/blob/66a9817cec77098cfdcbb9ad82dbb92651987a84/nixos/lib/test-driver/test_driver/machine.py#L359
export TMPDIR=''${TMPDIR:=/tmp}/nixos-vm-tmp-dir
readonly NIXOS_VM_SHARED_DIR_HOST="$TMPDIR/shared-xchg"
readonly NIXOS_VM_SHARED_DIR_GUEST="/tmp/shared"
mkdir -p "$TMPDIR"
ln -sfv "$PWD" -T "$NIXOS_VM_SHARED_DIR_HOST"
SCRIPT=$(cat <<EOF
start_all()
machine.succeed("ln -sf $NIXOS_VM_SHARED_DIR_GUEST -T ${vmtest-src-dir} >&2")
machine.succeed("cd ${vmtest-src-dir} && coverage run -m pytest -v $@ >&2")
machine.succeed("cd ${vmtest-src-dir} && coverage report >&2")
EOF
)
if [ -f "/etc/arch-release" ]; then
${self.checks.${system}.default.driverInteractive}/bin/nixos-test-driver --no-interactive <(printf "%s" "$SCRIPT")
else
${self.checks.${system}.default.driver}/bin/nixos-test-driver -- <(printf "%s" "$SCRIPT")
fi
'';
};
nixosModules.default =
import ./nixos/module.nix self.packages.${system}.default;
devShells.${system}.default = pkgs.mkShell {
name = "SP API dev shell";
packages = with pkgs; [
nixpkgs-fmt
rclone
redis
restic
self.packages.${system}.pytest-vm
# FIXME consider loading this explicitly only after ArchLinux issue is solved
self.checks.x86_64-linux.default.driverInteractive
# the target API application python environment
python-env
];
shellHook = ''
# envs set with export and as attributes are treated differently.
# for example. printenv <Name> will not fetch the value of an attribute.
export TEST_MODE="true"
# more tips for bash-completion to work on non-NixOS:
# https://discourse.nixos.org/t/whats-the-nix-way-of-bash-completion-for-packages/20209/16?u=alexoundos
# Load installed profiles
for file in "/etc/profile.d/"*.sh; do
# If that folder doesn't exist, bash loves to return the whole glob
[[ -f "$file" ]] && source "$file"
done
printf "%s" "${shellMOTD}"
'';
};
checks.${system} = {
fmt-check = pkgs.runCommandLocal "sp-api-fmt-check"
{ nativeBuildInputs = [ pkgs.black ]; }
"black --check ${self.outPath} > $out";
default =
pkgs.testers.runNixOSTest {
imports = [{
name = "default";
nodes.machine = { lib, pkgs, ... }: {
imports = [{
boot.consoleLogLevel = lib.mkForce 3;
documentation.enable = false;
services.journald.extraConfig = lib.mkForce "";
services.redis.servers.sp-api = {
enable = true;
save = [ ];
port = 6379; # FIXME
settings.notify-keyspace-events = "KEA";
};
environment.systemPackages = with pkgs; [
python-env
# TODO: these can be passed via wrapper script around app
rclone
restic
];
environment.variables.TEST_MODE = "true";
systemd.tmpfiles.settings.src.${vmtest-src-dir}.L.argument =
self.outPath;
}];
};
testScript = ''
start_all()
machine.succeed("cd ${vmtest-src-dir} && coverage run --data-file=/tmp/.coverage -m pytest -p no:cacheprovider -v >&2")
machine.succeed("coverage xml --rcfile=${vmtest-src-dir}/.coveragerc --data-file=/tmp/.coverage >&2")
machine.copy_from_vm("coverage.xml", ".")
machine.succeed("coverage report >&2")
'';
}];
};
};
};
nixConfig.bash-prompt = ''\n\[\e[1;32m\][\[\e[0m\]\[\e[1;34m\]SP devshell\[\e[0m\]\[\e[1;32m\]:\w]\$\[\[\e[0m\] '';
}