deer-flow/backend/tests/test_provisioner_kubeconfig.py
Willem Jiang 90299e2710
feat(provisioner): add optional PVC support for sandbox volumes (#2020)
* feat(provisioner): add optional PVC support for sandbox volumes (#1978)

  Add SKILLS_PVC_NAME and USERDATA_PVC_NAME env vars to allow sandbox
  Pods to use PersistentVolumeClaims instead of hostPath volumes. This
  prevents data loss in production when pods are rescheduled across nodes.

  When USERDATA_PVC_NAME is set, a subPath of threads/{thread_id}/user-data
  is used so a single PVC can serve multiple threads. Falls back to hostPath
  when the new env vars are not set, preserving backward compatibility.

* add unit test for provisioner pvc volumes

* refactor: extract shared provisioner_module fixture to conftest.py

Agent-Logs-Url: https://github.com/bytedance/deer-flow/sessions/e7ccf708-c6ba-40e4-844a-b526bdb249dd

Co-authored-by: WillemJiang <219644+WillemJiang@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: JeffJiang <for-eleven@hotmail.com>
2026-04-10 20:40:30 +08:00

100 lines
3.1 KiB
Python

"""Regression tests for provisioner kubeconfig path handling."""
from __future__ import annotations
def test_wait_for_kubeconfig_rejects_directory(tmp_path, provisioner_module):
"""Directory mount at kubeconfig path should fail fast with clear error."""
kubeconfig_dir = tmp_path / "config_dir"
kubeconfig_dir.mkdir()
provisioner_module.KUBECONFIG_PATH = str(kubeconfig_dir)
try:
provisioner_module._wait_for_kubeconfig(timeout=1)
raise AssertionError("Expected RuntimeError for directory kubeconfig path")
except RuntimeError as exc:
assert "directory" in str(exc)
def test_wait_for_kubeconfig_accepts_file(tmp_path, provisioner_module):
"""Regular file mount should pass readiness wait."""
kubeconfig_file = tmp_path / "config"
kubeconfig_file.write_text("apiVersion: v1\n")
provisioner_module.KUBECONFIG_PATH = str(kubeconfig_file)
# Should return immediately without raising.
provisioner_module._wait_for_kubeconfig(timeout=1)
def test_init_k8s_client_rejects_directory_path(tmp_path, provisioner_module):
"""KUBECONFIG_PATH that resolves to a directory should be rejected."""
kubeconfig_dir = tmp_path / "config_dir"
kubeconfig_dir.mkdir()
provisioner_module.KUBECONFIG_PATH = str(kubeconfig_dir)
try:
provisioner_module._init_k8s_client()
raise AssertionError("Expected RuntimeError for directory kubeconfig path")
except RuntimeError as exc:
assert "expected a file" in str(exc)
def test_init_k8s_client_uses_file_kubeconfig(tmp_path, monkeypatch, provisioner_module):
"""When file exists, provisioner should load kubeconfig file path."""
kubeconfig_file = tmp_path / "config"
kubeconfig_file.write_text("apiVersion: v1\n")
called: dict[str, object] = {}
def fake_load_kube_config(config_file: str):
called["config_file"] = config_file
monkeypatch.setattr(
provisioner_module.k8s_config,
"load_kube_config",
fake_load_kube_config,
)
monkeypatch.setattr(
provisioner_module.k8s_client,
"CoreV1Api",
lambda *args, **kwargs: "core-v1",
)
provisioner_module.KUBECONFIG_PATH = str(kubeconfig_file)
result = provisioner_module._init_k8s_client()
assert called["config_file"] == str(kubeconfig_file)
assert result == "core-v1"
def test_init_k8s_client_falls_back_to_incluster_when_missing(tmp_path, monkeypatch, provisioner_module):
"""When kubeconfig file is missing, in-cluster config should be attempted."""
missing_path = tmp_path / "missing-config"
calls: dict[str, int] = {"incluster": 0}
def fake_load_incluster_config():
calls["incluster"] += 1
monkeypatch.setattr(
provisioner_module.k8s_config,
"load_incluster_config",
fake_load_incluster_config,
)
monkeypatch.setattr(
provisioner_module.k8s_client,
"CoreV1Api",
lambda *args, **kwargs: "core-v1",
)
provisioner_module.KUBECONFIG_PATH = str(missing_path)
result = provisioner_module._init_k8s_client()
assert calls["incluster"] == 1
assert result == "core-v1"