pkg/sandbox: add direct backend for Kubernetes in-pod execution#214
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qu0b wants to merge 2 commits into
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pkg/sandbox: add direct backend for Kubernetes in-pod execution#214qu0b wants to merge 2 commits into
qu0b wants to merge 2 commits into
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Runs Python as a subprocess inside the panda-server container, relying on
the Kubernetes pod boundary for isolation — no dockerd, no sandbox image,
no privileged container. For the EthPandaOps devnet chat (panda-chat
chart), which runs panda-server unprivileged.
- sandbox/direct.go: DirectBackend (Service impl). Builds the child env
from SandboxEnvDefaults + a non-sensitive passthrough allowlist + req.Env,
NOT os.Environ() — so PANDA_BOT_* never reaches untrusted, LLM-generated
code. No sessions (the agent doesn't use them).
- sandbox/sandbox.go: BackendDirect ("direct") + New() case.
- config.go: sandbox.image only required for docker/gvisor backends.
- direct_test.go: regression gate that the bot token can't leak.
client_credentials auth and PANDA_ON_BEHALF_OF (from the earlier state of
this branch) already landed on master, so this is now direct-backend only.
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🐼 Smoke eval —
|
| question | result | tokens | tools |
|---|---|---|---|
forky_node_coverage |
✅ | 14,564 | 5 |
tracoor_node_coverage |
✅ | 13,162 | 3 |
mainnet_block_arrival_p50 |
✅ | 15,319 | 7 |
list_datasources |
✅ | 12,574 | 2 |
block_count_24h |
✅ | 16,040 | 8 |
missed_slots_24h |
✅ | 14,939 | 5 |
chartkit_default_arrival_distribution |
✅ | 39,366 | 18 |
storage_upload_session_scoped |
❌ | 22,091 | 15 |
🔭 Langfuse traces (8 runs; ⚠️ = failed)
The report walks this branch's commits against the master baseline and the most recent release. A self-contained copy is in the run's eval-smoke-* artifact.
Contributor
Docker images builtCommit:
|
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Adds a
directsandbox backend to panda-server that runs Python as a subprocess instead of inside a Docker container. Intended for the Kubernetes deployment where the pod boundary itself provides isolation — no dockerd, no sandbox image, no privileged container needed.Config:
sandbox.backend: directSee also: