# Copyright 2024 Bytedance Ltd. and/or its affiliates # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """ A unified tracking interface that supports logging data to different backend """ import dataclasses from enum import Enum from functools import partial from pathlib import Path from typing import Any, Dict, List, Union class Tracking: supported_backend = ["wandb", "mlflow", "swanlab", "vemlp_wandb", "tensorboard", "console"] def __init__(self, project_name, experiment_name, default_backend: Union[str, List[str]] = "console", config=None): if isinstance(default_backend, str): default_backend = [default_backend] for backend in default_backend: if backend == "tracking": import warnings warnings.warn("`tracking` logger is deprecated. use `wandb` instead.", DeprecationWarning, stacklevel=2) else: assert backend in self.supported_backend, f"{backend} is not supported" self.logger = {} if "tracking" in default_backend or "wandb" in default_backend: import wandb wandb.init(project=project_name, name=experiment_name, config=config) self.logger["wandb"] = wandb if "mlflow" in default_backend: import os import mlflow MLFLOW_TRACKING_URI = os.environ.get("MLFLOW_TRACKING_URI", None) if MLFLOW_TRACKING_URI: mlflow.set_tracking_uri(MLFLOW_TRACKING_URI) # Project_name is actually experiment_name in MLFlow # If experiment does not exist, will create a new experiment experiment = mlflow.set_experiment(project_name) mlflow.start_run(experiment_id=experiment.experiment_id, run_name=experiment_name) mlflow.log_params(_compute_mlflow_params_from_objects(config)) self.logger["mlflow"] = _MlflowLoggingAdapter() if "swanlab" in default_backend: import os import swanlab SWANLAB_API_KEY = os.environ.get("SWANLAB_API_KEY", None) SWANLAB_LOG_DIR = os.environ.get("SWANLAB_LOG_DIR", "swanlog") SWANLAB_MODE = os.environ.get("SWANLAB_MODE", "cloud") if SWANLAB_API_KEY: swanlab.login(SWANLAB_API_KEY) # NOTE: previous login information will be overwritten if config is None: config = {} # make sure config is not None, otherwise **config will raise error swanlab.init( project=project_name, experiment_name=experiment_name, config={"FRAMEWORK": "verl", **config}, logdir=SWANLAB_LOG_DIR, mode=SWANLAB_MODE, ) self.logger["swanlab"] = swanlab if "vemlp_wandb" in default_backend: import os import volcengine_ml_platform from volcengine_ml_platform import wandb as vemlp_wandb volcengine_ml_platform.init( ak=os.environ["VOLC_ACCESS_KEY_ID"], sk=os.environ["VOLC_SECRET_ACCESS_KEY"], region=os.environ["MLP_TRACKING_REGION"], ) vemlp_wandb.init( project=project_name, name=experiment_name, config=config, sync_tensorboard=True, ) self.logger["vemlp_wandb"] = vemlp_wandb if "tensorboard" in default_backend: self.logger["tensorboard"] = _TensorboardAdapter() if "console" in default_backend: from verl.utils.logger.aggregate_logger import LocalLogger self.console_logger = LocalLogger(print_to_console=True) self.logger["console"] = self.console_logger def log(self, data, step, backend=None): for default_backend, logger_instance in self.logger.items(): if backend is None or default_backend in backend: logger_instance.log(data=data, step=step) def __del__(self): if "wandb" in self.logger: self.logger["wandb"].finish(exit_code=0) if "swanlab" in self.logger: self.logger["swanlab"].finish() if "vemlp_wandb" in self.logger: self.logger["vemlp_wandb"].finish(exit_code=0) if "tensorboard" in self.logger: self.logger["tensorboard"].finish() class _TensorboardAdapter: def __init__(self): import os from torch.utils.tensorboard import SummaryWriter tensorboard_dir = os.environ.get("TENSORBOARD_DIR", "tensorboard_log") os.makedirs(tensorboard_dir, exist_ok=True) print(f"Saving tensorboard log to {tensorboard_dir}.") self.writer = SummaryWriter(tensorboard_dir) def log(self, data, step): for key in data: self.writer.add_scalar(key, data[key], step) def finish(self): self.writer.close() class _MlflowLoggingAdapter: def log(self, data, step): import mlflow results = {k.replace("@", "_at_"): v for k, v in data.items()} mlflow.log_metrics(metrics=results, step=step) def _compute_mlflow_params_from_objects(params) -> Dict[str, Any]: if params is None: return {} return _flatten_dict(_transform_params_to_json_serializable(params, convert_list_to_dict=True), sep="/") def _transform_params_to_json_serializable(x, convert_list_to_dict: bool): _transform = partial(_transform_params_to_json_serializable, convert_list_to_dict=convert_list_to_dict) if dataclasses.is_dataclass(x): return _transform(dataclasses.asdict(x)) if isinstance(x, dict): return {k: _transform(v) for k, v in x.items()} if isinstance(x, list): if convert_list_to_dict: return {"list_len": len(x)} | {f"{i}": _transform(v) for i, v in enumerate(x)} else: return [_transform(v) for v in x] if isinstance(x, Path): return str(x) if isinstance(x, Enum): return x.value return x def _flatten_dict(raw: Dict[str, Any], *, sep: str) -> Dict[str, Any]: import pandas as pd ans = pd.json_normalize(raw, sep=sep).to_dict(orient="records")[0] assert isinstance(ans, dict) return ans @dataclasses.dataclass class ValidationGenerationsLogger: def log(self, loggers, samples, step): if "wandb" in loggers: self.log_generations_to_wandb(samples, step) if "swanlab" in loggers: self.log_generations_to_swanlab(samples, step) if "mlflow" in loggers: self.log_generations_to_mlflow(samples, step) def log_generations_to_wandb(self, samples, step): """Log samples to wandb as a table""" import wandb # Create column names for all samples columns = ["step"] + sum([[f"input_{i + 1}", f"output_{i + 1}", f"score_{i + 1}"] for i in range(len(samples))], []) if not hasattr(self, "validation_table"): # Initialize the table on first call self.validation_table = wandb.Table(columns=columns) # Create a new table with same columns and existing data # Workaround for https://github.com/wandb/wandb/issues/2981#issuecomment-1997445737 new_table = wandb.Table(columns=columns, data=self.validation_table.data) # Add new row with all data row_data = [] row_data.append(step) for sample in samples: row_data.extend(sample) new_table.add_data(*row_data) # Update reference and log wandb.log({"val/generations": new_table}, step=step) self.validation_table = new_table def log_generations_to_swanlab(self, samples, step): """Log samples to swanlab as text""" import swanlab swanlab_text_list = [] for i, sample in enumerate(samples): row_text = f""" input: {sample[0]} --- output: {sample[1]} --- score: {sample[2]} """ swanlab_text_list.append(swanlab.Text(row_text, caption=f"sample {i + 1}")) # Log to swanlab swanlab.log({"val/generations": swanlab_text_list}, step=step) def log_generations_to_mlflow(self, samples, step): """Log validation generation to mlflow as artifacts""" # https://mlflow.org/docs/latest/api_reference/python_api/mlflow.html?highlight=log_artifact#mlflow.log_artifact import json import tempfile import mlflow try: with tempfile.TemporaryDirectory() as tmp_dir: validation_gen_step_file = Path(tmp_dir, f"val_step{step}.json") row_data = [] for sample in samples: data = {"input": sample[0], "output": sample[1], "score": sample[2]} row_data.append(data) with open(validation_gen_step_file, "w") as file: json.dump(row_data, file) mlflow.log_artifact(validation_gen_step_file) except Exception as e: print(f"WARNING: save validation generation file to mlflow failed with error {e}")