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OpenShell/e2e/python/test_sandbox_providers.py
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Drew Newberry 89a6e04c8c feat(providers): inject provider credentials into sandbox child processes at runtime (!26)
## Summary
- Add `GetSandboxProviderEnvironment` gRPC endpoint so the sandbox supervisor can fetch provider credentials at runtime instead of embedding them in the pod spec
- Sandbox supervisor (`navigator-sandbox`) fetches credentials on startup and injects them as environment variables into both entrypoint processes and SSH shell sessions via `Command::env()`
- Remove credential injection from sandbox creation-time pod spec in `navigator-server`
- Update `architecture/providers.md` to document the full runtime credential injection flow, discovery engine details, trait definitions, and end-to-end diagram

## Changes
- **proto**: Add `GetSandboxProviderEnvironment` RPC and request/response messages, add `providers` field to `SandboxSpec`
- **navigator-server**: Implement `GetSandboxProviderEnvironment` handler and `resolve_provider_environment()` with env var key validation and first-wins dedup; remove old creation-time credential injection from `sandbox/mod.rs`
- **navigator-sandbox**: Fetch provider env via gRPC on startup (`grpc_client.rs`), thread `provider_env` HashMap through to `process.rs` (entrypoint) and `ssh.rs` (shell sessions), inject via `cmd.env()`
- **navigator-cli**: Adjust sandbox create flow to set provider names in `SandboxSpec.providers`
- **e2e**: Add `test_sandbox_providers.py` end-to-end tests
- **docs**: Rewrite `architecture/providers.md` with implementation details

## Test Plan
- Unit tests for `resolve_provider_environment` in `grpc.rs`
- Integration tests updated in `provider_commands_integration.rs`, `mtls_integration.rs`, `multiplex_integration.rs`, `multiplex_tls_integration.rs`
- New e2e test suite `test_sandbox_providers.py`
2026-02-17 13:40:10 -08:00

214 lines
7.2 KiB
Python

"""E2e tests for provider credential injection into sandboxes.
Provider credentials are fetched at runtime by the sandbox supervisor via the
GetSandboxProviderEnvironment gRPC call. They should appear as environment
variables inside the sandbox process, but must NOT be present in the persisted
sandbox spec's environment map (they are never baked into the K8s pod spec).
"""
from __future__ import annotations
from contextlib import contextmanager
from typing import TYPE_CHECKING
import grpc
import pytest
from navigator._proto import datamodel_pb2, navigator_pb2, sandbox_pb2
if TYPE_CHECKING:
from collections.abc import Callable, Iterator
from navigator import Sandbox, SandboxClient
def _default_policy() -> sandbox_pb2.SandboxPolicy:
return sandbox_pb2.SandboxPolicy(
version=1,
inference=sandbox_pb2.InferencePolicy(allowed_routing_hints=["local"]),
filesystem=sandbox_pb2.FilesystemPolicy(
include_workdir=True,
read_only=["/usr", "/lib", "/etc", "/app"],
read_write=["/sandbox", "/tmp"],
),
landlock=sandbox_pb2.LandlockPolicy(compatibility="best_effort"),
process=sandbox_pb2.ProcessPolicy(
run_as_user="sandbox", run_as_group="sandbox"
),
)
@contextmanager
def provider(
stub: object,
*,
name: str,
provider_type: str,
credentials: dict[str, str],
) -> Iterator[str]:
"""Create a provider for the duration of the block, then delete it."""
# Clean up any leftover from a previous run.
_delete_provider(stub, name)
stub.CreateProvider(
navigator_pb2.CreateProviderRequest(
provider=datamodel_pb2.Provider(
name=name,
type=provider_type,
credentials=credentials,
)
)
)
try:
yield name
finally:
_delete_provider(stub, name)
def _delete_provider(stub: object, name: str) -> None:
"""Delete a provider, ignoring not-found errors."""
try:
stub.DeleteProvider(navigator_pb2.DeleteProviderRequest(name=name))
except grpc.RpcError as exc:
if hasattr(exc, "code") and exc.code() == grpc.StatusCode.NOT_FOUND:
pass
else:
raise
# TODO: Once the sandbox supervisor sets provider credentials (rather than the
# server injecting them via exec environment), these tests will no longer be
# able to read credential values directly. Update the assertions to verify
# that the env vars are *present* (e.g. non-empty) without checking exact
# values, since the supervisor will be the sole source of truth.
def test_provider_credentials_available_as_env_vars(
sandbox: Callable[..., Sandbox],
sandbox_client: SandboxClient,
) -> None:
"""Sandbox process can read provider credentials as environment variables."""
with provider(
sandbox_client._stub,
name="e2e-test-provider-env",
provider_type="claude",
credentials={"ANTHROPIC_API_KEY": "sk-e2e-test-key-12345"},
) as provider_name:
spec = datamodel_pb2.SandboxSpec(
policy=_default_policy(),
providers=[provider_name],
)
def read_env_var() -> str:
import os
return os.environ.get("ANTHROPIC_API_KEY", "NOT_SET")
with sandbox(spec=spec, delete_on_exit=True) as sb:
result = sb.exec_python(read_env_var)
assert result.exit_code == 0, result.stderr
assert result.stdout.strip() == "sk-e2e-test-key-12345"
def test_generic_provider_credentials_available_as_env_vars(
sandbox: Callable[..., Sandbox],
sandbox_client: SandboxClient,
) -> None:
"""Generic provider credentials are injected as arbitrary sandbox env vars."""
with provider(
sandbox_client._stub,
name="e2e-test-generic-provider-env",
provider_type="generic",
credentials={
"CUSTOM_SERVICE_TOKEN": "token-generic-123",
"CUSTOM_SERVICE_URL": "https://internal.example.test/api",
},
) as provider_name:
spec = datamodel_pb2.SandboxSpec(
policy=_default_policy(),
providers=[provider_name],
)
def read_generic_env_vars() -> str:
import os
token = os.environ.get("CUSTOM_SERVICE_TOKEN", "NOT_SET")
url = os.environ.get("CUSTOM_SERVICE_URL", "NOT_SET")
return f"{token}|{url}"
with sandbox(spec=spec, delete_on_exit=True) as sb:
result = sb.exec_python(read_generic_env_vars)
assert result.exit_code == 0, result.stderr
assert (
result.stdout.strip()
== "token-generic-123|https://internal.example.test/api"
)
def test_nvidia_provider_injects_nvidia_api_key_env_var(
sandbox: Callable[..., Sandbox],
sandbox_client: SandboxClient,
) -> None:
"""NVIDIA provider projects NVIDIA_API_KEY into sandbox process env."""
with provider(
sandbox_client._stub,
name="e2e-test-nvidia-provider-env",
provider_type="nvidia",
credentials={"NVIDIA_API_KEY": "nvapi-e2e-test-key"},
) as provider_name:
spec = datamodel_pb2.SandboxSpec(
policy=_default_policy(),
providers=[provider_name],
)
def read_nvidia_key() -> str:
import os
return os.environ.get("NVIDIA_API_KEY", "NOT_SET")
with sandbox(spec=spec, delete_on_exit=True) as sb:
result = sb.exec_python(read_nvidia_key)
assert result.exit_code == 0, result.stderr
assert result.stdout.strip() == "nvapi-e2e-test-key"
def test_create_sandbox_rejects_unknown_provider(
sandbox_client: SandboxClient,
) -> None:
"""CreateSandbox fails fast when a provider name does not exist."""
spec = datamodel_pb2.SandboxSpec(
policy=_default_policy(),
providers=["nonexistent-provider-xyz"],
)
with pytest.raises(grpc.RpcError) as exc_info:
sandbox_client.create(spec=spec)
assert exc_info.value.code() == grpc.StatusCode.FAILED_PRECONDITION
assert "nonexistent-provider-xyz" in exc_info.value.details()
def test_credentials_not_in_persisted_spec_environment(
sandbox: Callable[..., Sandbox],
sandbox_client: SandboxClient,
) -> None:
"""Provider credentials should NOT appear in the sandbox spec's environment map."""
with provider(
sandbox_client._stub,
name="e2e-test-no-persist",
provider_type="claude",
credentials={"ANTHROPIC_API_KEY": "sk-should-not-persist"},
) as provider_name:
spec = datamodel_pb2.SandboxSpec(
policy=_default_policy(),
providers=[provider_name],
)
with sandbox(spec=spec, delete_on_exit=True) as sb:
# Fetch the sandbox record from the server and inspect spec.environment.
fetched = sandbox_client._stub.GetSandbox(
navigator_pb2.GetSandboxRequest(name=sb.sandbox.name)
)
persisted_env = dict(fetched.sandbox.spec.environment)
assert "ANTHROPIC_API_KEY" not in persisted_env, (
"credentials should not be persisted in sandbox spec environment"
)