rewrite sops backend for secret generation and add tests

pkgs/clan-cli/tests/test_secrets_upload.py

@@ -0,0 +1,40 @@
+from pathlib import Path
+from typing import TYPE_CHECKING
+
+import pytest
+from cli import Cli
+
+from clan_cli.ssh import HostGroup
+
+if TYPE_CHECKING:
+    from age_keys import KeyPair
+
+
+@pytest.mark.impure
+def test_upload_secret(
+    monkeypatch: pytest.MonkeyPatch,
+    test_flake_with_core: Path,
+    host_group: HostGroup,
+    age_keys: list["KeyPair"],
+) -> None:
+    monkeypatch.chdir(test_flake_with_core)
+    monkeypatch.setenv("SOPS_AGE_KEY", age_keys[0].privkey)
+
+    cli = Cli()
+    cli.run(["secrets", "users", "add", "user1", age_keys[0].pubkey])
+
+    cli.run(["secrets", "machines", "add", "vm1", age_keys[1].pubkey])
+    monkeypatch.setenv("SOPS_NIX_SECRET", age_keys[0].privkey)
+    cli.run(["secrets", "set", "vm1-age.key"])
+
+    flake = test_flake_with_core.joinpath("flake.nix")
+    host = host_group.hosts[0]
+    addr = f"{host.user}@{host.host}:{host.port}?StrictHostKeyChecking=no&UserKnownHostsFile=/dev/null&IdentityFile={host.key}"
+    new_text = flake.read_text().replace("__CLAN_DEPLOYMENT_ADDRESS__", addr)
+    sops_key = test_flake_with_core.joinpath("sops.key")
+    new_text = new_text.replace("__CLAN_SOPS_KEY_PATH__", str(sops_key))
+
+    flake.write_text(new_text)
+    cli.run(["secrets", "upload", "vm1"])
+    assert sops_key.exists()
+    assert sops_key.read_text() == age_keys[0].privkey