Files
clan-core/pkgs/clan-cli/tests/test_vars.py
DavHau 0324f4d4b8 vars/sops: improve shared secrets, switching backend
When a second machine checks for a shared secret, now the exists() call returns negative and only when updating the secrets for that machine, the machine is added to the sops receivers.

Also throw proper errors when the user switches backends without cleaning the files first.
2024-09-20 15:06:54 +02:00

872 lines
33 KiB
Python

import json
import subprocess
from dataclasses import dataclass
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.errors import ClanError
from clan_cli.machines.machines import Machine
from clan_cli.nix import nix_eval, nix_shell, run
from clan_cli.vars.check import check_vars
from clan_cli.vars.generate import generate_vars_for_machine
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 clan_cli.vars.set import set_var
from fixtures_flakes import generate_flake, set_machine_settings
from helpers import cli
from helpers.nixos_config import nested_dict
from root import CLAN_CORE
from stdout import CaptureOutput
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
def test_required_generators() -> None:
from clan_cli.vars.graph import all_missing_closure, requested_closure
@dataclass
class Generator:
dependencies: list[str]
exists: bool # result is already on disk
generators = {
"gen_1": Generator([], True),
"gen_2": Generator(["gen_1"], False),
"gen_2a": Generator(["gen_2"], False),
"gen_2b": Generator(["gen_2"], True),
}
assert requested_closure(["gen_1"], generators) == [
"gen_1",
"gen_2",
"gen_2a",
"gen_2b",
]
assert requested_closure(["gen_2"], generators) == ["gen_2", "gen_2a", "gen_2b"]
assert requested_closure(["gen_2a"], generators) == ["gen_2", "gen_2a", "gen_2b"]
assert requested_closure(["gen_2b"], generators) == ["gen_2", "gen_2a", "gen_2b"]
assert all_missing_closure(generators) == ["gen_2", "gen_2a", "gen_2b"]
@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=monkeypatch,
)
monkeypatch.chdir(flake.path)
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
assert not check_vars(machine)
vars_text = stringify_all_vars(machine)
assert "my_generator/my_value: <not set>" in vars_text
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
vars_eval = run(
nix_eval(
[
f"{flake.path}#nixosConfigurations.my_machine.config.clan.core.vars.generators.my_generator.files.my_value.value",
]
)
).stdout.strip()
assert json.loads(vars_eval) == "hello\n"
@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=monkeypatch,
)
monkeypatch.chdir(flake.path)
sops_setup.init()
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
assert not check_vars(machine)
vars_text = stringify_all_vars(machine)
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
assert check_vars(machine)
assert "my_generator/my_secret: <not set>" in vars_text
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
# test regeneration works
cli.run(
["vars", "generate", "--flake", str(flake.path), "my_machine", "--regenerate"]
)
@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=monkeypatch,
)
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_generated_shared_secret_sops(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
m1_config = nested_dict()
shared_generator = m1_config["clan"]["core"]["vars"]["generators"][
"my_shared_generator"
]
shared_generator["share"] = True
shared_generator["files"]["my_shared_secret"]["secret"] = True
shared_generator["script"] = "echo hello > $out/my_shared_secret"
m2_config = nested_dict()
m2_config["clan"]["core"]["vars"]["generators"]["my_shared_generator"] = (
shared_generator.copy()
)
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"machine1": m1_config, "machine2": m2_config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
sops_setup.init()
machine1 = Machine(name="machine1", flake=FlakeId(str(flake.path)))
machine2 = Machine(name="machine2", flake=FlakeId(str(flake.path)))
cli.run(["vars", "generate", "--flake", str(flake.path), "machine1"])
assert check_vars(machine1)
cli.run(["vars", "generate", "--flake", str(flake.path), "machine2"])
assert check_vars(machine2)
assert check_vars(machine2)
m1_sops_store = sops.SecretStore(machine1)
m2_sops_store = sops.SecretStore(machine2)
assert m1_sops_store.exists("my_shared_generator", "my_shared_secret", shared=True)
assert m2_sops_store.exists("my_shared_generator", "my_shared_secret", shared=True)
assert m1_sops_store.machine_has_access(
"my_shared_generator", "my_shared_secret", shared=True
)
assert m2_sops_store.machine_has_access(
"my_shared_generator", "my_shared_secret", shared=True
)
@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"
my_shared_generator = config["clan"]["core"]["vars"]["generators"][
"my_shared_generator"
]
my_shared_generator["share"] = True
my_shared_generator["files"]["my_shared_secret"]["secret"] = True
my_shared_generator["script"] = "echo hello > $out/my_shared_secret"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
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", shared=False)
assert not store.exists("my_generator", "my_secret", shared=True)
assert store.exists("my_shared_generator", "my_shared_secret", shared=True)
assert not store.exists("my_shared_generator", "my_shared_secret", shared=False)
assert store.get("my_generator", "my_secret", shared=False).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=monkeypatch,
)
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=monkeypatch,
)
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"]["createFile"] = False
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=monkeypatch,
)
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["share"] = True
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"
)
unshared_generator = config["clan"]["core"]["vars"]["generators"][
"unshared_generator"
]
unshared_generator["share"] = False
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"
)
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
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)
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)
vars_eval = run(
nix_eval(
[
f"{flake.path}#nixosConfigurations.my_machine.config.clan.core.vars.generators.shared_generator.files.my_value.value",
]
)
).stdout.strip()
assert json.loads(vars_eval) == "hello\n"
@pytest.mark.impure
def test_prompt_create_file(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
"""
Test that the createFile flag in the prompt configuration works as expected
"""
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["prompts"]["prompt1"]["createFile"] = True
my_generator["prompts"]["prompt2"]["createFile"] = False
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
sops_setup.init()
monkeypatch.setattr("sys.stdin", StringIO("input1\ninput2\n"))
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert sops_store.exists("my_generator", "prompt1")
assert not sops_store.exists("my_generator", "prompt2")
assert sops_store.get("my_generator", "prompt1").decode() == "input1"
@pytest.mark.impure
def test_api_get_prompts(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
from clan_cli.vars.list import get_prompts
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["prompts"]["prompt1"]["type"] = "line"
my_generator["files"]["prompt1"]["secret"] = False
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
monkeypatch.setattr("sys.stdin", StringIO("input1"))
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
api_prompts = get_prompts(machine)
assert len(api_prompts) == 1
assert api_prompts[0].name == "my_generator"
assert api_prompts[0].prompts[0].name == "prompt1"
assert api_prompts[0].prompts[0].previous_value == "input1"
@pytest.mark.impure
def test_api_set_prompts(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
from clan_cli.vars._types import GeneratorUpdate
from clan_cli.vars.list import set_prompts
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["prompts"]["prompt1"]["type"] = "line"
my_generator["files"]["prompt1"]["secret"] = False
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
set_prompts(
machine,
[
GeneratorUpdate(
generator="my_generator",
prompt_values={"prompt1": "input1"},
)
],
)
store = in_repo.FactStore(machine)
assert store.exists("my_generator", "prompt1")
assert store.get("my_generator", "prompt1").decode() == "input1"
set_prompts(
machine,
[
GeneratorUpdate(
generator="my_generator",
prompt_values={"prompt1": "input2"},
)
],
)
assert store.get("my_generator", "prompt1").decode() == "input2"
@pytest.mark.impure
def test_commit_message(
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"
my_secret_generator = config["clan"]["core"]["vars"]["generators"][
"my_secret_generator"
]
my_secret_generator["files"]["my_secret"]["secret"] = True
my_secret_generator["script"] = "echo hello > $out/my_secret"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
cli.run(
[
"vars",
"generate",
"--flake",
str(flake.path),
"my_machine",
"--service",
"my_generator",
]
)
# get last commit message
commit_message = run(
["git", "log", "-1", "--pretty=%B"],
).stdout.strip()
assert (
commit_message
== "Update vars via generator my_generator for machine my_machine"
)
cli.run(
[
"vars",
"generate",
"--flake",
str(flake.path),
"my_machine",
"--service",
"my_secret_generator",
]
)
commit_message = run(
["git", "log", "-1", "--pretty=%B"],
).stdout.strip()
assert (
commit_message
== "Update vars via generator my_secret_generator for machine my_machine"
)
@pytest.mark.impure
def test_default_value(
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["files"]["my_value"]["value"]["_type"] = "override"
my_generator["files"]["my_value"]["value"]["priority"] = 1000 # mkDefault
my_generator["files"]["my_value"]["value"]["content"] = "foo"
my_generator["script"] = "echo -n hello > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
# ensure evaluating the default value works without generating the value
value_eval = run(
nix_eval(
[
f"{flake.path}#nixosConfigurations.my_machine.config.clan.core.vars.generators.my_generator.files.my_value.value",
]
)
).stdout.strip()
assert json.loads(value_eval) == "foo"
# generate
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
# ensure the value is set correctly
value_eval = run(
nix_eval(
[
f"{flake.path}#nixosConfigurations.my_machine.config.clan.core.vars.generators.my_generator.files.my_value.value",
]
)
).stdout.strip()
assert json.loads(value_eval) == "hello"
@pytest.mark.impure
def test_stdout_of_generate(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
capture_output: CaptureOutput,
) -> None:
config = nested_dict()
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["script"] = "echo -n hello > $out/my_value"
my_secret_generator = config["clan"]["core"]["vars"]["generators"][
"my_secret_generator"
]
my_secret_generator["files"]["my_secret"]["secret"] = True
my_secret_generator["script"] = "echo -n hello > $out/my_secret"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
from clan_cli.vars.generate import generate_vars_for_machine
with capture_output as output:
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
"my_generator",
regenerate=False,
)
assert "Updated var my_generator/my_value" in output.out
assert "old: <not set>" in output.out
assert "new: hello" in output.out
set_var("my_machine", "my_generator/my_value", b"world", FlakeId(str(flake.path)))
with capture_output as output:
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
"my_generator",
regenerate=True,
)
assert "Updated var my_generator/my_value" in output.out
assert "old: world" in output.out
assert "new: hello" in output.out
# check the output when nothing gets regenerated
with capture_output as output:
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
"my_generator",
regenerate=True,
)
assert "Updated" not in output.out
assert "hello" in output.out
with capture_output as output:
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
"my_secret_generator",
regenerate=False,
)
assert "Updated secret var my_secret_generator/my_secret" in output.out
assert "hello" not in output.out
set_var(
"my_machine",
"my_secret_generator/my_secret",
b"world",
FlakeId(str(flake.path)),
)
with capture_output as output:
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
"my_secret_generator",
regenerate=True,
)
assert "Updated secret var my_secret_generator/my_secret" in output.out
assert "world" not in output.out
assert "hello" not in output.out
@pytest.mark.impure
def test_migration_skip(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
config = nested_dict()
my_service = config["clan"]["core"]["facts"]["services"]["my_service"]
my_service["secret"]["my_value"] = {}
my_service["generator"]["script"] = "echo -n hello > $secrets/my_value"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
# the var to migrate to is mistakenly marked as not secret (migration should fail)
my_generator["files"]["my_value"]["secret"] = False
my_generator["migrateFact"] = "my_service"
my_generator["script"] = "echo -n world > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
cli.run(["facts", "generate", "--flake", str(flake.path), "my_machine"])
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() == "world"
@pytest.mark.impure
def test_migration(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
config = nested_dict()
my_service = config["clan"]["core"]["facts"]["services"]["my_service"]
my_service["public"]["my_value"] = {}
my_service["generator"]["script"] = "echo -n hello > $facts/my_value"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["migrateFact"] = "my_service"
my_generator["script"] = "echo -n world > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
monkeypatch.chdir(flake.path)
cli.run(["facts", "generate", "--flake", str(flake.path), "my_machine"])
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() == "hello"
@pytest.mark.impure
def test_fails_when_files_are_left_from_other_backend(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
sops_setup: SopsSetup,
) -> None:
config = nested_dict()
my_secret_generator = config["clan"]["core"]["vars"]["generators"][
"my_secret_generator"
]
my_secret_generator["files"]["my_secret"]["secret"] = True
my_secret_generator["script"] = "echo hello > $out/my_secret"
my_value_generator = config["clan"]["core"]["vars"]["generators"][
"my_value_generator"
]
my_value_generator["files"]["my_value"]["secret"] = False
my_value_generator["script"] = "echo hello > $out/my_value"
flake = generate_flake(
temporary_home,
flake_template=CLAN_CORE / "templates" / "minimal",
machine_configs={"my_machine": config},
monkeypatch=monkeypatch,
)
sops_setup.init()
monkeypatch.chdir(flake.path)
for generator in ["my_secret_generator", "my_value_generator"]:
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
generator,
regenerate=False,
)
my_secret_generator["files"]["my_secret"]["secret"] = False
my_value_generator["files"]["my_value"]["secret"] = True
set_machine_settings(flake.path, "my_machine", config)
monkeypatch.chdir(flake.path)
for generator in ["my_secret_generator", "my_value_generator"]:
with pytest.raises(ClanError):
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
generator,
regenerate=False,
)