Files
clan-core/pkgs/clan-cli/tests/test_vars.py
2025-01-07 11:09:58 +01:00

862 lines
32 KiB
Python

import json
import logging
import shutil
from pathlib import Path
from typing import TYPE_CHECKING
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, run
from clan_cli.vars.check import check_vars
from clan_cli.vars.generate import Generator, generate_vars_for_machine
from clan_cli.vars.get import get_var
from clan_cli.vars.graph import all_missing_closure, requested_closure
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 ClanFlake
from helpers import cli
if TYPE_CHECKING:
from age_keys import KeyPair
def test_dependencies_as_files(temp_dir: Path) -> 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",
},
}
dependencies_as_dir(decrypted_dependencies, temp_dir)
assert temp_dir.is_dir()
assert (temp_dir / "gen_1" / "var_1a").read_bytes() == b"var_1a"
assert (temp_dir / "gen_1" / "var_1b").read_bytes() == b"var_1b"
assert (temp_dir / "gen_2" / "var_2a").read_bytes() == b"var_2a"
assert (temp_dir / "gen_2" / "var_2b").read_bytes() == b"var_2b"
# ensure the files are not world readable
assert (temp_dir / "gen_1" / "var_1a").stat().st_mode & 0o777 == 0o600
assert (temp_dir / "gen_1" / "var_1b").stat().st_mode & 0o777 == 0o600
assert (temp_dir / "gen_2" / "var_2a").stat().st_mode & 0o777 == 0o600
assert (temp_dir / "gen_2" / "var_2b").stat().st_mode & 0o777 == 0o600
def test_required_generators() -> None:
gen_1 = Generator(name="gen_1", dependencies=[])
gen_2 = Generator(name="gen_2", dependencies=["gen_1"])
gen_2a = Generator(name="gen_2a", dependencies=["gen_2"])
gen_2b = Generator(name="gen_2b", dependencies=["gen_2"])
gen_1.exists = True
gen_2.exists = False
gen_2a.exists = False
gen_2b.exists = True
generators = {
generator.name: generator for generator in [gen_1, gen_2, gen_2a, gen_2b]
}
def generator_names(generator: list[Generator]) -> list[str]:
return [gen.name for gen in generator]
assert generator_names(requested_closure(["gen_1"], generators)) == [
"gen_1",
"gen_2",
"gen_2a",
"gen_2b",
]
assert generator_names(requested_closure(["gen_2"], generators)) == [
"gen_2",
"gen_2a",
"gen_2b",
]
assert generator_names(requested_closure(["gen_2a"], generators)) == [
"gen_2",
"gen_2a",
"gen_2b",
]
assert generator_names(requested_closure(["gen_2b"], generators)) == [
"gen_2",
"gen_2a",
"gen_2b",
]
assert generator_names(all_missing_closure(generators)) == [
"gen_2",
"gen_2a",
"gen_2b",
]
@pytest.mark.with_core
def test_generate_public_and_secret_vars(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["files"]["my_secret"]["secret"] = True
my_generator["script"] = (
"echo -n public > $out/my_value; echo -n secret > $out/my_secret; echo -n non-default > $out/value_with_default"
)
my_generator["files"]["value_with_default"]["secret"] = False
my_generator["files"]["value_with_default"]["value"]["_type"] = "override"
my_generator["files"]["value_with_default"]["value"]["priority"] = 1000 # mkDefault
my_generator["files"]["value_with_default"]["value"]["content"] = "default_value"
my_shared_generator = config["clan"]["core"]["vars"]["generators"][
"my_shared_generator"
]
my_shared_generator["share"] = True
my_shared_generator["files"]["my_shared_value"]["secret"] = False
my_shared_generator["script"] = "echo -n shared > $out/my_shared_value"
dependent_generator = config["clan"]["core"]["vars"]["generators"][
"dependent_generator"
]
dependent_generator["share"] = False
dependent_generator["files"]["my_secret"]["secret"] = True
dependent_generator["dependencies"] = ["my_shared_generator"]
dependent_generator["script"] = (
"cat $in/my_shared_generator/my_shared_value > $out/my_secret"
)
flake.refresh()
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)
assert "my_generator/my_value: <not set>" in vars_text
assert "my_generator/my_secret: <not set>" in vars_text
assert "my_shared_generator/my_shared_value: <not set>" in vars_text
assert "dependent_generator/my_secret: <not set>" in vars_text
# ensure evaluating the default value works without generating the value
value_non_default = run(
nix_eval(
[
f"{flake.path}#nixosConfigurations.my_machine.config.clan.core.vars.generators.my_generator.files.value_with_default.value",
]
)
).stdout.strip()
assert json.loads(value_non_default) == "default_value"
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
assert check_vars(machine)
# get last commit message
commit_message = run(
["git", "log", "-3", "--pretty=%B"],
).stdout.strip()
assert (
"Update vars via generator my_generator for machine my_machine"
in commit_message
)
assert (
"Update vars via generator my_shared_generator for machine my_machine"
in commit_message
)
assert get_var(machine, "my_generator/my_value").printable_value == "public"
assert (
get_var(machine, "my_shared_generator/my_shared_value").printable_value
== "shared"
)
vars_text = stringify_all_vars(machine)
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert not in_repo_store.exists(Generator("my_generator"), "my_secret")
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert sops_store.exists(Generator("my_generator"), "my_secret")
assert sops_store.get(Generator("my_generator"), "my_secret").decode() == "secret"
assert sops_store.exists(Generator("dependent_generator"), "my_secret")
assert (
sops_store.get(Generator("dependent_generator"), "my_secret").decode()
== "shared"
)
assert "my_generator/my_value: public" in vars_text
assert "my_generator/my_secret" 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) == "public"
value_non_default = run(
nix_eval(
[
f"{flake.path}#nixosConfigurations.my_machine.config.clan.core.vars.generators.my_generator.files.value_with_default.value",
]
)
).stdout.strip()
assert json.loads(value_non_default) == "non-default"
# test regeneration works
cli.run(
["vars", "generate", "--flake", str(flake.path), "my_machine", "--regenerate"]
)
# TODO: it doesn't actually test if the group has access
@pytest.mark.with_core
def test_generate_secret_var_sops_with_default_group(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
age_keys: list["KeyPair"],
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
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["files"]["my_public"]["secret"] = False
my_generator["script"] = (
"echo hello > $out/my_secret && echo hello > $out/my_public"
)
flake.refresh()
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(Generator("my_generator"), "my_secret")
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert sops_store.exists(Generator("my_generator"), "my_secret")
assert sops_store.get(Generator("my_generator"), "my_secret").decode() == "hello\n"
# add another user to the group and check if secret gets re-encrypted
pubkey_user2 = age_keys[1]
cli.run(
[
"secrets",
"users",
"add",
"--flake",
str(flake.path),
"user2",
pubkey_user2.pubkey,
]
)
cli.run(["secrets", "groups", "add-user", "my_group", "user2"])
# check if new user can access the secret
monkeypatch.setenv("USER", "user2")
assert sops_store.user_has_access(
"user2", Generator("my_generator", share=False), "my_secret"
)
# Rotate key of a user
pubkey_user3 = age_keys[2]
cli.run(
[
"secrets",
"users",
"add",
"--flake",
str(flake.path),
"--force",
"user2",
pubkey_user3.pubkey,
]
)
monkeypatch.setenv("USER", "user2")
assert sops_store.user_has_access(
"user2", Generator("my_generator", share=False), "my_secret"
)
@pytest.mark.with_core
def test_generated_shared_secret_sops(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
) -> None:
m1_config = flake.machines["machine1"]
m1_config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
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 = flake.machines["machine2"]
m2_config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
m2_config["clan"]["core"]["vars"]["generators"]["my_shared_generator"] = (
shared_generator.copy()
)
flake.refresh()
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(
Generator("my_shared_generator", share=True), "my_shared_secret"
)
assert m2_sops_store.exists(
Generator("my_shared_generator", share=True), "my_shared_secret"
)
assert m1_sops_store.machine_has_access(
Generator("my_shared_generator", share=True), "my_shared_secret"
)
assert m2_sops_store.machine_has_access(
Generator("my_shared_generator", share=True), "my_shared_secret"
)
@pytest.mark.with_core
def test_generate_secret_var_password_store(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
test_root: Path,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
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.refresh()
monkeypatch.chdir(flake.path)
gnupghome = flake.path / "gpg"
shutil.copytree(test_root / "data" / "gnupg-home", gnupghome)
monkeypatch.setenv("GNUPGHOME", str(gnupghome))
password_store_dir = flake.path / "pass"
shutil.copytree(test_root / "data" / "password-store", password_store_dir)
monkeypatch.setenv("PASSWORD_STORE_DIR", str(flake.path / "pass"))
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(Generator("my_generator", share=False, files=[]), "my_secret")
assert not store.exists(
Generator("my_generator", share=True, files=[]), "my_secret"
)
assert store.exists(
Generator("my_shared_generator", share=True, files=[]), "my_shared_secret"
)
assert not store.exists(
Generator("my_shared_generator", share=False, files=[]), "my_shared_secret"
)
generator = Generator(name="my_generator", share=False, files=[])
assert store.get(generator, "my_secret").decode() == "hello\n"
vars_text = stringify_all_vars(machine)
assert "my_generator/my_secret" in vars_text
@pytest.mark.with_core
def test_generate_secret_for_multiple_machines(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
) -> None:
from clan_cli.nix import nix_config
local_system = nix_config()["system"]
machine1_config = flake.machines["machine1"]
machine1_config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
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 = flake.machines["machine2"]
# Test that we can generate secrets for other platforms
machine2_config["nixpkgs"]["hostPlatform"] = (
"aarch64-linux" if local_system == "x86_64-linux" else "x86_64-linux"
)
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.refresh()
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(Generator("my_generator"), "my_value")
assert in_repo_store2.exists(Generator("my_generator"), "my_value")
assert (
in_repo_store1.get(Generator("my_generator"), "my_value").decode()
== "machine1\n"
)
assert (
in_repo_store2.get(Generator("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(Generator("my_generator"), "my_secret")
assert sops_store2.exists(Generator("my_generator"), "my_secret")
assert (
sops_store1.get(Generator("my_generator"), "my_secret").decode() == "machine1\n"
)
assert (
sops_store2.get(Generator("my_generator"), "my_secret").decode() == "machine2\n"
)
@pytest.mark.with_core
def test_prompt(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["line_value"]["secret"] = False
my_generator["files"]["multiline_value"]["secret"] = False
my_generator["prompts"]["prompt1"]["description"] = "dream2nix"
my_generator["prompts"]["prompt1"]["createFile"] = False
my_generator["prompts"]["prompt1"]["type"] = "line"
my_generator["prompts"]["prompt2"]["description"] = "dream2nix"
my_generator["prompts"]["prompt2"]["createFile"] = False
my_generator["prompts"]["prompt2"]["type"] = "line"
my_generator["prompts"]["prompt_create_file"]["createFile"] = True
my_generator["script"] = (
"cat $prompts/prompt1 > $out/line_value; cat $prompts/prompt2 > $out/multiline_value"
)
flake.refresh()
monkeypatch.chdir(flake.path)
sops_setup.init()
monkeypatch.setattr(
"clan_cli.vars.prompt.MOCK_PROMPT_RESPONSE",
iter(["line input", "my\nmultiline\ninput\n", "prompt_create_file"]),
)
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(Generator("my_generator"), "line_value")
assert (
in_repo_store.get(Generator("my_generator"), "line_value").decode()
== "line input"
)
assert in_repo_store.exists(Generator("my_generator"), "multiline_value")
assert (
in_repo_store.get(Generator("my_generator"), "multiline_value").decode()
== "my\nmultiline\ninput\n"
)
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert sops_store.exists(
Generator(name="my_generator", share=False, files=[]), "prompt_create_file"
)
assert (
sops_store.get(Generator(name="my_generator"), "prompt_create_file").decode()
== "prompt_create_file"
)
@pytest.mark.with_core
def test_multi_machine_shared_vars(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
) -> None:
"""
Ensure that shared vars are regenerated only when they should, and also can be
accessed by all machines that should have access.
Specifically:
- make sure shared wars are not regenerated when a second machines is added
- make sure vars can still be accessed by all machines, after they are regenerated
"""
machine1_config = flake.machines["machine1"]
machine1_config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
shared_generator = machine1_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 $RANDOM > $out/my_value && echo $RANDOM > $out/my_secret"
)
# machine 2 is equivalent to machine 1
flake.machines["machine2"] = machine1_config
flake.refresh()
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)))
sops_store_1 = sops.SecretStore(machine1)
sops_store_2 = sops.SecretStore(machine2)
in_repo_store_1 = in_repo.FactStore(machine1)
in_repo_store_2 = in_repo.FactStore(machine2)
generator = Generator("shared_generator", share=True)
# generate for machine 1
cli.run(["vars", "generate", "--flake", str(flake.path), "machine1"])
# read out values for machine 1
m1_secret = sops_store_1.get(generator, "my_secret")
m1_value = in_repo_store_1.get(generator, "my_value")
# generate for machine 2
cli.run(["vars", "generate", "--flake", str(flake.path), "machine2"])
# ensure values are the same for both machines
assert sops_store_2.get(generator, "my_secret") == m1_secret
assert in_repo_store_2.get(generator, "my_value") == m1_value
# ensure shared secret stays available for all machines after regeneration
# regenerate for machine 1
cli.run(
["vars", "generate", "--flake", str(flake.path), "machine1", "--regenerate"]
)
# ensure values changed
new_secret_1 = sops_store_1.get(generator, "my_secret")
new_value_1 = in_repo_store_1.get(generator, "my_value")
new_secret_2 = sops_store_2.get(generator, "my_secret")
assert new_secret_1 != m1_secret
assert new_value_1 != m1_value
# ensure that both machines still have access to the same secret
assert new_secret_1 == new_secret_2
assert sops_store_1.machine_has_access(generator, "my_secret")
assert sops_store_2.machine_has_access(generator, "my_secret")
@pytest.mark.with_core
def test_api_set_prompts(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
) -> None:
from clan_cli.vars._types import GeneratorUpdate
from clan_cli.vars.list import get_prompts, set_prompts
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["prompts"]["prompt1"]["type"] = "line"
my_generator["files"]["prompt1"]["secret"] = False
flake.refresh()
monkeypatch.chdir(flake.path)
params = {"machine_name": "my_machine", "base_dir": str(flake.path)}
set_prompts(
**params,
updates=[
GeneratorUpdate(
generator="my_generator",
prompt_values={"prompt1": "input1"},
)
],
)
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
store = in_repo.FactStore(machine)
assert store.exists(Generator("my_generator"), "prompt1")
assert store.get(Generator("my_generator"), "prompt1").decode() == "input1"
set_prompts(
**params,
updates=[
GeneratorUpdate(
generator="my_generator",
prompt_values={"prompt1": "input2"},
)
],
)
assert store.get(Generator("my_generator"), "prompt1").decode() == "input2"
api_prompts = get_prompts(**params)
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 == "input2"
@pytest.mark.with_core
def test_stdout_of_generate(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
caplog: pytest.LogCaptureFixture,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
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.refresh()
monkeypatch.chdir(flake.path)
sops_setup.init()
from clan_cli.vars.generate import generate_vars_for_machine
# with capture_output as output:
with caplog.at_level(logging.INFO):
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 caplog.text
assert "old: <not set>" in caplog.text
assert "new: hello" in caplog.text
caplog.clear()
set_var("my_machine", "my_generator/my_value", b"world", FlakeId(str(flake.path)))
with caplog.at_level(logging.INFO):
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 caplog.text
assert "old: world" in caplog.text
assert "new: hello" in caplog.text
caplog.clear()
# check the output when nothing gets regenerated
with caplog.at_level(logging.INFO):
generate_vars_for_machine(
Machine(name="my_machine", flake=FlakeId(str(flake.path))),
"my_generator",
regenerate=True,
)
assert "Updated var" not in caplog.text
assert "hello" in caplog.text
caplog.clear()
with caplog.at_level(logging.INFO):
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 caplog.text
assert "hello" not in caplog.text
caplog.clear()
set_var(
"my_machine",
"my_secret_generator/my_secret",
b"world",
FlakeId(str(flake.path)),
)
with caplog.at_level(logging.INFO):
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 caplog.text
assert "world" not in caplog.text
assert "hello" not in caplog.text
caplog.clear()
@pytest.mark.with_core
def test_migration(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
caplog: pytest.LogCaptureFixture,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
my_service = config["clan"]["core"]["facts"]["services"]["my_service"]
my_service["public"]["my_value"] = {}
my_service["secret"]["my_secret"] = {}
my_service["generator"]["script"] = (
"echo -n hello > $facts/my_value && echo -n hello > $secrets/my_secret"
)
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["files"]["my_secret"]["secret"] = True
my_generator["migrateFact"] = "my_service"
my_generator["script"] = "echo -n other > $out/my_value"
other_service = config["clan"]["core"]["facts"]["services"]["other_service"]
other_service["secret"]["other_value"] = {}
other_service["generator"]["script"] = "echo -n hello > $secrets/other_value"
other_generator = config["clan"]["core"]["vars"]["generators"]["other_generator"]
# the var to migrate to is mistakenly marked as not secret (migration should fail)
other_generator["files"]["other_value"]["secret"] = False
other_generator["migrateFact"] = "my_service"
other_generator["script"] = "echo -n value-from-vars > $out/other_value"
flake.refresh()
monkeypatch.chdir(flake.path)
sops_setup.init()
cli.run(["facts", "generate", "--flake", str(flake.path), "my_machine"])
with caplog.at_level(logging.INFO):
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
assert "Migrated var my_generator/my_value" in caplog.text
assert "Migrated secret var my_generator/my_secret" in caplog.text
in_repo_store = in_repo.FactStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
sops_store = sops.SecretStore(
Machine(name="my_machine", flake=FlakeId(str(flake.path)))
)
assert in_repo_store.exists(Generator("my_generator"), "my_value")
assert in_repo_store.get(Generator("my_generator"), "my_value").decode() == "hello"
assert sops_store.exists(Generator("my_generator"), "my_secret")
assert sops_store.get(Generator("my_generator"), "my_secret").decode() == "hello"
assert in_repo_store.exists(Generator("other_generator"), "other_value")
assert (
in_repo_store.get(Generator("other_generator"), "other_value").decode()
== "value-from-vars"
)
@pytest.mark.with_core
def test_fails_when_files_are_left_from_other_backend(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
sops_setup: SopsSetup,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
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.refresh()
monkeypatch.chdir(flake.path)
sops_setup.init()
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
flake.refresh()
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,
)
@pytest.mark.with_core
def test_keygen(
monkeypatch: pytest.MonkeyPatch,
temporary_home: Path,
) -> None:
monkeypatch.chdir(temporary_home)
cli.run(["vars", "keygen", "--flake", str(temporary_home), "--user", "user"])
# check public key exists
assert (temporary_home / "sops" / "users" / "user").is_dir()
# check private key exists
assert (temporary_home / ".config" / "sops" / "age" / "keys.txt").is_file()
# it should still work, even if the keys already exist
import shutil
shutil.rmtree(temporary_home / "sops" / "users" / "user")
cli.run(["vars", "keygen", "--flake", str(temporary_home), "--user", "user"])
# check public key exists
assert (temporary_home / "sops" / "users" / "user").is_dir()
@pytest.mark.with_core
def test_invalidation(
monkeypatch: pytest.MonkeyPatch,
flake: ClanFlake,
) -> None:
config = flake.machines["my_machine"]
config["nixpkgs"]["hostPlatform"] = "x86_64-linux"
my_generator = config["clan"]["core"]["vars"]["generators"]["my_generator"]
my_generator["files"]["my_value"]["secret"] = False
my_generator["script"] = "echo -n $RANDOM > $out/my_value"
flake.refresh()
monkeypatch.chdir(flake.path)
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
machine = Machine(name="my_machine", flake=FlakeId(str(flake.path)))
value1 = get_var(machine, "my_generator/my_value").printable_value
# generate again and make sure nothing changes without the invalidation data being set
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
value1_new = get_var(machine, "my_generator/my_value").printable_value
assert value1 == value1_new
# set the invalidation data of the generator
my_generator["validation"] = 1
flake.refresh()
# generate again and make sure the value changes
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
value2 = get_var(machine, "my_generator/my_value").printable_value
assert value1 != value2
# generate again without changing invalidation data -> value should not change
cli.run(["vars", "generate", "--flake", str(flake.path), "my_machine"])
value2_new = get_var(machine, "my_generator/my_value").printable_value
assert value2 == value2_new