feat: spot instance/job settings supports.

pai/api/training_job.py

@@ -20,12 +20,14 @@
     CreateTrainingJobRequest,
     CreateTrainingJobRequestComputeResource,
     CreateTrainingJobRequestComputeResourceInstanceSpec,
+    CreateTrainingJobRequestComputeResourceSpotSpec,
     CreateTrainingJobRequestExperimentConfig,
     CreateTrainingJobRequestHyperParameters,
     CreateTrainingJobRequestInputChannels,
     CreateTrainingJobRequestLabels,
     CreateTrainingJobRequestOutputChannels,
     CreateTrainingJobRequestScheduler,
+    CreateTrainingJobRequestSettings,
     CreateTrainingJobRequestUserVpc,
     CreateTrainingJobResponseBody,
     GetTrainingJobRequest,
@@ -86,8 +88,10 @@ def create(
         instance_type,
         instance_count,
         job_name,
+        spot_spec: Optional[Dict[str, Any]] = None,
         instance_spec: Optional[Dict[str, str]] = None,
         resource_id: Optional[str] = None,
+        resource_type: Optional[str] = None,
         hyperparameters: Optional[Dict[str, Any]] = None,
         input_channels: Optional[List[Dict[str, Any]]] = None,
         output_channels: Optional[List[Dict[str, Any]]] = None,
@@ -102,6 +106,7 @@ def create(
         algorithm_spec: Optional[Dict[str, Any]] = None,
         user_vpc_config: Optional[Dict[str, Any]] = None,
         experiment_config: Optional[Dict[str, Any]] = None,
+        settings: Optional[Dict[str, Any]] = None,
     ) -> str:
         """Create a TrainingJob."""
         if algorithm_spec and (
@@ -126,9 +131,16 @@ def create(
             for ch in output_channels
         ]
         if instance_type:
+            spot_spec = (
+                CreateTrainingJobRequestComputeResourceSpotSpec().from_map(spot_spec)
+                if spot_spec
+                else None
+            )
             compute_resource = CreateTrainingJobRequestComputeResource(
                 ecs_count=instance_count,
                 ecs_spec=instance_type,
+                use_spot_instance=bool(spot_spec),
+                spot_spec=spot_spec,
             )
         elif instance_spec:
             compute_resource = CreateTrainingJobRequestComputeResource(
@@ -169,6 +181,7 @@ def create(
             compute_resource=compute_resource,
             hyper_parameters=hyper_parameters,
             input_channels=input_channels,
+            resource_type=resource_type,
             environments=environments,
             python_requirements=requirements,
             labels=labels,
@@ -181,6 +194,11 @@ def create(
             experiment_config=CreateTrainingJobRequestExperimentConfig().from_map(
                 experiment_config
             ),
+            settings=(
+                CreateTrainingJobRequestSettings().from_map(settings)
+                if settings
+                else None
+            ),
         )
 
         resp: CreateTrainingJobResponseBody = self._do_request(

pai/estimator.py

@@ -35,6 +35,8 @@
     DEFAULT_OUTPUT_MODEL_CHANNEL_NAME,
     DEFAULT_TENSORBOARD_CHANNEL_NAME,
     ExperimentConfig,
+    ResourceType,
+    SpotSpec,
     UserVpcConfig,
 )
 from .model import InferenceSpec, Model, ResourceConfig
@@ -187,11 +189,14 @@ def __init__(
         environments: Optional[Dict[str, str]] = None,
         requirements: Optional[List[str]] = None,
         instance_type: Optional[str] = None,
+        spot_spec: Optional[SpotSpec] = None,
         instance_spec: Optional[Dict] = None,
         resource_id: Optional[Dict] = None,
+        resource_type: Optional[Union[str, ResourceType]] = None,
         instance_count: Optional[int] = None,
         user_vpc_config: Optional[UserVpcConfig] = None,
         experiment_config: Optional[ExperimentConfig] = None,
+        settings: Optional[Dict[str, Any]] = None,
         labels: Optional[Dict[str, str]] = None,
         session: Optional[Session] = None,
     ):
@@ -252,12 +257,18 @@ def __init__(
                 'package' or 'package==version'. This is similar to the contents of a requirements.txt file used
                 in Python projects. If requirements.txt is provided in user code directory, requirements
                 will override the conflict dependencies directly.
+            resource_type (str, optional): The resource type used to run the training job.
+                By default, general computing resource is used. If the resource_type is
+                'Lingjun', Lingjun computing resource is used.
             instance_type (str, optional): The machine instance type used to run the
                 training job. To view the supported machine instance types, please refer
                 to the document:
                 https://help.aliyun.com/document_detail/171758.htm#section-55y-4tq-84y.
                 If the instance_type is "local", the training job is executed locally
                 using docker.
+            spot_spec (:class:`pai.job.SpotSpec`, optional): The specification of the spot
+                instance used to run the training job. If provided, the training job will
+                use the spot instance to run the training job.
             instance_count (int): The number of machines used to run the training job.
             user_vpc_config (:class:`pai.estimator.UserVpcConfig`, optional): The VPC
                 configuration used to enable the training job instance to connect to the
@@ -270,6 +281,8 @@ def __init__(
                 training job and the experiment. If provided, the training job will belong
                 to the specified experiment, in which case the training job will use
                 artifact_uri of experiment as default output path. Default to None.
+            settings (dict, optional): A dictionary that represents the additional settings
+                for job, such as AIMaster configurations.
             labels (Dict[str, str], optional): A dictionary that maps label names to
                 their values. This optional field allows you to provide a set of labels
                 that will be applied to the training job.
@@ -287,11 +300,14 @@ def __init__(
             instance_type=instance_type,
             instance_count=instance_count,
             resource_id=resource_id,
+            resource_type=resource_type,
+            spot_spec=spot_spec,
             instance_spec=instance_spec,
             user_vpc_config=user_vpc_config,
             max_run_time=max_run_time,
             environments=environments,
             requirements=requirements,
+            settings=settings,
             labels=labels,
         )
 

pai/job/__init__.py

@@ -22,6 +22,9 @@
     InstanceSpec,
     ModelRecipeSpec,
     OssLocation,
+    ResourceType,
+    SpotSpec,
+    SpotStrategy,
     TrainingJob,
     TrainingJobStatus,
     UriInput,
@@ -45,4 +48,7 @@
     "ExperimentConfig",
     "InstanceSpec",
     "UriInput",
+    "SpotSpec",
+    "ResourceType",
+    "SpotStrategy",
 ]

pai/job/_training_job.py

@@ -17,6 +17,7 @@
 import time
 import typing
 from concurrent.futures import ThreadPoolExecutor
+from enum import Enum
 from typing import Any, Dict, List, Optional, Union
 
 from pydantic import BaseModel, ConfigDict, Field
@@ -55,6 +56,19 @@ def as_oss_dir_uri(uri: str):
 DEFAULT_TENSORBOARD_CHANNEL_NAME = "tensorboard"
 
 
+class SpotStrategy(str, Enum):
+    SpotWithPriceLimit = "SpotWithPriceLimit"
+    SpotAsPriceGo = "SpotAsPriceGo"
+
+    def __repr__(self):
+        return self.value
+
+
+class ResourceType(str, Enum):
+    Lingjun = "Lingjun"
+    General = "General"
+
+
 class BaseAPIModel(BaseModel):
 
     model_config = ConfigDict(
@@ -275,11 +289,14 @@ class AlgorithmSpec(BaseAPIModel):
     )
     hyperparameter_definitions: List[HyperParameterDefinition] = Field(
         default_factory=list,
-        alias="HyperParameter",
+        alias="HyperParameters",
         description="Hyperparameter definitions.",
     )
     job_type: str = Field(default="PyTorchJob")
     code_dir: Optional[CodeDir] = Field(None, description="Source code location.")
+    customization: Optional[Dict[str, Any]] = Field(
+        None, description="Whether the algorithm supports customize code."
+    )
 
 
 class ModelRecipeSpec(BaseAPIModel):
@@ -300,6 +317,19 @@ class ModelRecipeSpec(BaseAPIModel):
     requirements: Optional[List[str]] = None
 
 
+class SpotSpec(BaseAPIModel):
+    spot_strategy: SpotStrategy = Field(
+        ...,
+        description="Spot instance strategy, support 'SpotWithPriceLimit', 'SpotAsPriceGo'",
+    )
+    spot_discount_limit: Optional[float] = Field(
+        None,
+        description="Spot instance discount limit, maximum 2 decimal places, "
+        "required when spot_strategy is 'SpotWithPriceLimit'."
+        "For example, 0.5 means 50% off the original price.",
+    )
+
+
 class TrainingJob(BaseAPIModel):
     """TrainingJob represents a training job in the PAI service."""
 
@@ -542,23 +572,29 @@ def __init__(
         instance_spec: Optional[Dict] = None,
         instance_count: Optional[int] = None,
         resource_id: Optional[Dict] = None,
+        resource_type: Optional[Union[str, ResourceType]] = None,
+        spot_spec: Optional[SpotSpec] = None,
         environments: Optional[Dict] = None,
         requirements: Optional[List[str]] = None,
         labels: Optional[Dict[str, str]] = None,
+        settings: Optional[Dict[str, Any]] = None,
     ):
         self.session = get_default_session()
         self._training_jobs = []
         self.base_job_name = base_job_name or type(self).__name__.lower()
         self.output_path = output_path
         self.user_vpc_config = user_vpc_config
+        self.spot_spec = spot_spec
         self.experiment_config = experiment_config
         self.max_run_time = max_run_time
         self.instance_type = instance_type
         self.instance_spec = instance_spec
         self.instance_count = instance_count or 1
         self.resource_id = resource_id
+        self.resource_type = ResourceType(resource_type) if resource_type else None
         self.environments = environments
         self.requirements = requirements
+        self.settings = settings
         self.labels = labels
 
     def wait(self, interval: int = 5, show_logs: bool = True, all_jobs: bool = False):
@@ -704,6 +740,7 @@ def build_outputs(
 
         return [item.model_dump() for item in res]
 
+    # TODO: get arguments, such as VPCConfig, instance_type etc, from self instance.
     def _submit(
         self,
         job_name: str,
@@ -728,6 +765,20 @@ def _submit(
         show_logs: bool = False,
     ):
         session = get_default_session()
+
+        if not self.resource_type or self.resource_type == ResourceType.General:
+            resource_type = None
+        else:
+            resource_type = self.resource_type.value
+
+        if self.spot_spec:
+            spot_spec = {
+                "SpotStrategy": self.spot_spec.spot_strategy.value,
+            }
+            if self.spot_spec.spot_discount_limit:
+                spot_spec["SpotDiscountLimit"] = self.spot_spec.spot_discount_limit
+        else:
+            spot_spec = None
         training_job_id = session.training_job_api.create(
             instance_count=instance_count,
             instance_spec=instance_spec.model_dump() if instance_spec else None,
@@ -738,9 +789,11 @@ def _submit(
                 if experiment_config and isinstance(experiment_config, ExperimentConfig)
                 else experiment_config
             ),
+            spot_spec=spot_spec,
             algorithm_version=algorithm_version,
             instance_type=instance_type,
             resource_id=resource_id,
+            resource_type=resource_type,
             job_name=job_name,
             hyperparameters=hyperparameters,
             max_running_in_seconds=max_run_time,
@@ -751,6 +804,7 @@ def _submit(
             user_vpc_config=user_vpc_config,
             labels=labels,
             environments=environments,
+            settings=self.settings,
         )
         training_job = TrainingJob.get(training_job_id)
         self._training_jobs.append(training_job)