Files
clan-core/pkgs/clan-cli/tests/test_vars.py
2024-09-02 14:07:06 +02:00

381 lines
15 KiB
Python

import subprocess
from io import StringIO
from pathlib import Path
from tempfile import TemporaryDirectory
import pytest
from age_keys import SopsSetup
from clan_cli.clan_uri import FlakeId
from clan_cli.machines.machines import Machine
from clan_cli.nix import nix_shell
from clan_cli.vars.check import check_vars
from clan_cli.vars.list import stringify_all_vars
from clan_cli.vars.public_modules import in_repo
from clan_cli.vars.secret_modules import password_store, sops
from fixtures_flakes import generate_flake
from helpers import cli
from helpers.nixos_config import nested_dict
from root import CLAN_CORE
def test_get_subgraph() -> None:
from clan_cli.vars.generate import _get_subgraph
graph = {
"a": {"b", "c"},
"b": {"c"},
"c": set(),
"d": set(),
}
assert _get_subgraph(graph, "a") == {
"a": {"b", "c"},
"b": {"c"},
"c": set(),
}
assert _get_subgraph(graph, "b") == {"b": {"c"}, "c": set()}
def test_dependencies_as_files() -> None:
from clan_cli.vars.generate import dependencies_as_dir
decrypted_dependencies = {
"gen_1": {
"var_1a": b"var_1a",
"var_1b": b"var_1b",
},
"gen_2": {
"var_2a": b"var_2a",
"var_2b": b"var_2b",
},
}
with TemporaryDirectory() as tmpdir:
dep_tmpdir = Path(tmpdir)
dependencies_as_dir(decrypted_dependencies, dep_tmpdir)
assert dep_tmpdir.is_dir()
assert (dep_tmpdir / "gen_1" / "var_1a").read_bytes() == b"var_1a"
assert (dep_tmpdir / "gen_1" / "var_1b").read_bytes() == b"var_1b"
assert (dep_tmpdir / "gen_2" / "var_2a").read_bytes() == b"var_2a"
assert (dep_tmpdir / "gen_2" / "var_2b").read_bytes() == b"var_2b"
# ensure the files are not world readable
assert (dep_tmpdir / "gen_1" / "var_1a").stat().st_mode & 0o777 == 0o600
assert (dep_tmpdir / "gen_1" / "var_1b").stat().st_mode & 0o777 == 0o600
assert (dep_tmpdir / "gen_2" / "var_2a").stat().st_mode & 0o777 == 0o600
assert (dep_tmpdir / "gen_2" / "var_2b").stat().st_mode & 0o777 == 0o600
@pytest.mark.impure
def test_generate_public_var(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["script"] = "echo hello > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
assert not check_vars(machine)
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
assert check_vars(machine)
store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert store.exists("my_generator", "my_value")
assert store.get("my_generator", "my_value").decode() == "hello\n"
vars_text = stringify_all_vars(machine)
assert "my_generator/my_value: hello" in vars_text
@pytest.mark.impure
def test_generate_secret_var_sops(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_secret"]["secret"] = True
my_generator["script"] = "echo hello > $out/my_secret"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
sops_setup.init()
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
assert not check_vars(machine)
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
assert check_vars(machine)
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert not in_repo_store.exists("my_generator", "my_secret")
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert sops_store.exists("my_generator", "my_secret")
assert sops_store.get("my_generator", "my_secret").decode() == "hello\n"
vars_text = stringify_all_vars(machine)
assert "my_generator/my_secret" in vars_text
@pytest.mark.impure
def test_generate_secret_var_sops_with_default_group(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
config = nested_dict()
config["clan"]["core"]["sops"]["defaultGroups"] = ["my_group"]
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_secret"]["secret"] = True
my_generator["script"] = "echo hello > $out/my_secret"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
sops_setup.init()
cli.run(["secrets", "groups", "add-user", "my_group", sops_setup.user])
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert not in_repo_store.exists("my_generator", "my_secret")
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert sops_store.exists("my_generator", "my_secret")
assert sops_store.get("my_generator", "my_secret").decode() == "hello\n"
@pytest.mark.impure
def test_generate_secret_var_password_store(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
config = nested_dict()
config["clan"]["core"]["vars"]["settings"]["secretStore"] = "password-store"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_secret"]["secret"] = True
my_generator["script"] = "echo hello > $out/my_secret"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
gnupghome = temporary_home / "gpg"
gnupghome.mkdir(mode=0o700)
monkeypatch.setenv("GNUPGHOME", str(gnupghome))
monkeypatch.setenv("PASSWORD_STORE_DIR", str(temporary_home / "pass"))
gpg_key_spec = temporary_home / "gpg_key_spec"
gpg_key_spec.write_text(
"""
Key-Type: 1
Key-Length: 1024
Name-Real: Root Superuser
Name-Email: test@local
Expire-Date: 0
%no-protection
"""
)
subprocess.run(
nix_shell(
["nixpkgs#gnupg"], ["gpg", "--batch", "--gen-key", str(gpg_key_spec)]
),
check=True,
)
subprocess.run(
nix_shell(["nixpkgs#pass"], ["pass", "init", "test@local"]), check=True
)
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
assert not check_vars(machine)
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
assert check_vars(machine)
store = password_store.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert store.exists("my_generator", "my_secret")
assert store.get("my_generator", "my_secret").decode() == "hello\n"
vars_text = stringify_all_vars(machine)
assert "my_generator/my_secret" in vars_text
@pytest.mark.impure
def test_generate_secret_for_multiple_machines(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
machine1_config = nested_dict()
machine1_generator = machine1_config["clan"]["core"]["vars"]["generators"][
"my_generator"
]
machine1_generator["files"]["my_secret"]["secret"] = True
machine1_generator["files"]["my_value"]["secret"] = False
machine1_generator["script"] = (
"echo machine1 > $out/my_secret && echo machine1 > $out/my_value"
)
machine2_config = nested_dict()
machine2_generator = machine2_config["clan"]["core"]["vars"]["generators"][
"my_generator"
]
machine2_generator["files"]["my_secret"]["secret"] = True
machine2_generator["files"]["my_value"]["secret"] = False
machine2_generator["script"] = (
"echo machine2 > $out/my_secret && echo machine2 > $out/my_value"
)
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"machine1": machine1_config, "machine2": machine2_config},
)
monkeypatch.chdir(flake.path)
sops_setup.init()
cli.run(["vars", "generate", "--flake", str(flake.path)])
# check if public vars have been created correctly
in_repo_store1 = in_repo.FactStore(
Machine(name="machine1", flake=FlakeId(str(flake.path)))
)
in_repo_store2 = in_repo.FactStore(
Machine(name="machine2", flake=FlakeId(str(flake.path)))
)
assert in_repo_store1.exists("my_generator", "my_value")
assert in_repo_store2.exists("my_generator", "my_value")
assert in_repo_store1.get("my_generator", "my_value").decode() == "machine1\n"
assert in_repo_store2.get("my_generator", "my_value").decode() == "machine2\n"
# check if secret vars have been created correctly
sops_store1 = sops.SecretStore(
Machine(name="machine1", flake=FlakeId(str(flake.path)))
)
sops_store2 = sops.SecretStore(
Machine(name="machine2", flake=FlakeId(str(flake.path)))
)
assert sops_store1.exists("my_generator", "my_secret")
assert sops_store2.exists("my_generator", "my_secret")
assert sops_store1.get("my_generator", "my_secret").decode() == "machine1\n"
assert sops_store2.get("my_generator", "my_secret").decode() == "machine2\n"
@pytest.mark.impure
def test_dependant_generators(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
config = nested_dict()
parent_gen = config["clan"]["core"]["vars"]["generators"]["parent_generator"]
parent_gen["files"]["my_value"]["secret"] = False
parent_gen["script"] = "echo hello > $out/my_value"
child_gen = config["clan"]["core"]["vars"]["generators"]["child_generator"]
child_gen["files"]["my_value"]["secret"] = False
child_gen["dependencies"] = ["parent_generator"]
child_gen["script"] = "cat $in/parent_generator/my_value > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert in_repo_store.exists("parent_generator", "my_value")
assert in_repo_store.get("parent_generator", "my_value").decode() == "hello\n"
assert in_repo_store.exists("child_generator", "my_value")
assert in_repo_store.get("child_generator", "my_value").decode() == "hello\n"
@pytest.mark.impure
@pytest.mark.parametrize(
("prompt_type", "input_value"),
[
("line", "my input"),
("multiline", "my\nmultiline\ninput\n"),
# The hidden type cannot easily be tested, as getpass() reads from /dev/tty directly
# ("hidden", "my hidden input"),
],
)
def test_prompt(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
prompt_type: str,
input_value: str,
) -> None:
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["prompts"]["prompt1"]["description"] = "dream2nix"
my_generator["prompts"]["prompt1"]["type"] = prompt_type
my_generator["script"] = "cat $prompts/prompt1 > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
monkeypatch.setattr("sys.stdin", StringIO(input_value))
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert in_repo_store.exists("my_generator", "my_value")
assert in_repo_store.get("my_generator", "my_value").decode() == input_value
@pytest.mark.impure
def test_share_flag(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
config = nested_dict()
shared_generator = config["clan"]["core"]["vars"]["generators"]["shared_generator"]
shared_generator["files"]["my_secret"]["secret"] = True
shared_generator["files"]["my_value"]["secret"] = False
shared_generator["script"] = (
"echo hello > $out/my_secret && echo hello > $out/my_value"
)
shared_generator["share"] = True
unshared_generator = config["clan"]["core"]["vars"]["generators"][
"unshared_generator"
]
unshared_generator["files"]["my_secret"]["secret"] = True
unshared_generator["files"]["my_value"]["secret"] = False
unshared_generator["script"] = (
"echo hello > $out/my_secret && echo hello > $out/my_value"
)
unshared_generator["share"] = False
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
)
monkeypatch.chdir(flake.path)
sops_setup.init()
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
# check secrets stored correctly
assert sops_store.exists("shared_generator", "my_secret", shared=True)
assert not sops_store.exists("shared_generator", "my_secret", shared=False)
assert sops_store.exists("unshared_generator", "my_secret", shared=False)
assert not sops_store.exists("unshared_generator", "my_secret", shared=True)
# check values stored correctly
assert in_repo_store.exists("shared_generator", "my_value", shared=True)
assert not in_repo_store.exists("shared_generator", "my_value", shared=False)
assert in_repo_store.exists("unshared_generator", "my_value", shared=False)
assert not in_repo_store.exists("unshared_generator", "my_value", shared=True)