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enh: use agent ref from data in rollouts #568

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Merged
bxyu-nvidia merged 4 commits into from
Jan 13, 2026
Merged

enh: use agent ref from data in rollouts #568

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61520c4
use agent ref from data in rollouts
gwarmstrong Jan 9, 2026
ab4a952
Merge branch 'main' into georgea/ng_collect_rollouts_use_agent_ref
gwarmstrong Jan 9, 2026
6ad03a0
ENH do error before rollouts collection
gwarmstrong Jan 13, 2026
12ca75c
Merge branch 'main' into georgea/ng_collect_rollouts_use_agent_ref
gwarmstrong Jan 13, 2026
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17 changes: 15 additions & 2 deletions nemo_gym/rollout_collection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,10 @@ class RolloutCollectionConfig(BaseNeMoGymCLIConfig):
```
"""

agent_name: str = Field(description="The agent to collect rollouts from.")
agent_name: Optional[str] = Field(
default=None,
description="The agent to collect rollouts from. If not specified, uses agent_ref from each data row.",
)
input_jsonl_fpath: str = Field(
description="The input data source to use to collect rollouts, in the form of a file path to a jsonl file."
)
Expand Down Expand Up @@ -103,13 +106,23 @@ async def run_from_config(self, config: RolloutCollectionConfig):
if config.responses_create_params:
print(f"Overriding responses_create_params fields with {config.responses_create_params}")

# Validate all rows have an agent specified (either via config or agent_ref in data)
if not config.agent_name:
missing_agent_indices = [idx for idx, row in enumerate(rows) if not row.get("agent_ref", {}).get("name")]
if missing_agent_indices:
raise ValueError(
f"No agent specified for rows {missing_agent_indices}. Either provide +agent_name config or include agent_ref in data."
)

metrics = Counter()
with open(config.output_jsonl_fpath, "a") as f:

async def _post_coroutine(row: dict) -> None:
row["responses_create_params"] = row["responses_create_params"] | config.responses_create_params
# Use config.agent_name if specified, otherwise use agent_ref from the row
agent_name = config.agent_name or row.get("agent_ref", {}).get("name")
async with semaphore:
response = await server_client.post(server_name=config.agent_name, url_path="/run", json=row)
response = await server_client.post(server_name=agent_name, url_path="/run", json=row)
await raise_for_status(response)
result = await response.json()
f.write(json.dumps(result) + "\n")
Expand Down