feat: update mlflow-related metadata models

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/types/common/mappers/TimeStampMapper.java

@@ -0,0 +1,28 @@
+package com.linkedin.datahub.graphql.types.common.mappers;
+
+import com.linkedin.datahub.graphql.QueryContext;
+import com.linkedin.datahub.graphql.generated.AuditStamp;
+import com.linkedin.datahub.graphql.types.mappers.ModelMapper;
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+
+public class TimeStampMapper implements ModelMapper<com.linkedin.common.TimeStamp, TimeStamp> {
+
+  public static final TimeStampMapper INSTANCE = new TimeStampMapper();
+
+  public static TimeStamp map(
+      @Nullable QueryContext context, @Nonnull final com.linkedin.common.TimeStamp timestamp) {
+    return INSTANCE.apply(context, timestamp);
+  }
+
+  @Override
+  public AuditStamp apply(
+      @Nullable QueryContext context, @Nonnull final com.linkedin.common.TimeStamp timestamp) {
+    final AuditStamp result = new AuditStamp();
+    result.setTime(timestamp.getTime());
+    if (timestamp.hasActor()) {
+      result.setActor(timestamp.getActor().toString());
+    }
+    return result;
+  }
+}

datahub-graphql-core/src/main/resources/entity.graphql

@@ -262,8 +262,16 @@ type Query {
     Fetch all Business Attributes
     """
     listBusinessAttributes(input: ListBusinessAttributesInput!): ListBusinessAttributesResult
+
+    """
+    Fetch a Data Process Instance by primary key (urn)
+    """
+    dataProcessInstance(urn: String!): DataProcessInstance
+
+
 }
 
+
 """
 An ERModelRelationship is a high-level abstraction that dictates what datasets fields are erModelRelationshiped.
 """
@@ -9832,15 +9840,45 @@ type MLModelGroup implements EntityWithRelationships & Entity & BrowsableEntity
     privileges: EntityPrivileges
 }
 
+"""
+Properties describing a group of related ML models
+"""
 type MLModelGroupProperties {
+    """
+    Display name of the model group
+    """
+    name: String
 
+    """
+    Detailed description of the model group's purpose and contents
+    """
     description: String
 
-    createdAt: Long
+    """
+    When this model group was created
+    """
+    created: AuditStamp
 
+    """
+    When this model group was last modified
+    """
+    lastModified: AuditStamp
+
+    """
+    Version identifier for this model group
+    """
     version: VersionTag
 
+    """
+    Custom key-value properties for the model group
+    """
     customProperties: [CustomPropertiesEntry!]
+
+    """
+    Deprecated creation timestamp
+    @deprecated Use the 'created' field instead
+    """
+    createdAt: Long @deprecated(reason: "Use `created` instead")
 }
 
 """
@@ -9990,40 +10028,103 @@ description: String
 }
 
 type MLMetric {
+    """
+    Name of the metric (e.g. accuracy, precision, recall)
+    """
     name: String
 
+    """
+    Description of what this metric measures
+    """
     description: String
 
+    """
+    The computed value of the metric
+    """
     value: String
 
+    """
+    Timestamp when this metric was recorded
+    """
     createdAt: Long
 }
 
 type MLModelProperties {
+    """
+    The display name of the model used in the UI
+    """
+    name: String!
 
+    """
+    Detailed description of the model's purpose and characteristics
+    """
     description: String
 
-    date: Long
+    """
+    When the model was last modified
+    """
+    lastModified: AuditStamp
 
+    """
+    Version identifier for this model
+    """
     version: String
 
+    """
+    The type/category of ML model (e.g. classification, regression)
+    """
     type: String
 
+    """
+    Mapping of hyperparameter configurations
+    """
     hyperParameters: HyperParameterMap
 
-    hyperParams:  [MLHyperParam]
+    """
+    List of hyperparameter settings used to train this model
+    """
+    hyperParams: [MLHyperParam]
 
+    """
+    Performance metrics from model training
+    """
     trainingMetrics: [MLMetric]
 
+    """
+    Names of ML features used by this model
+    """
     mlFeatures: [String!]
 
+    """
+    Tags for categorizing and searching models
+    """
     tags: [String!]
 
+    """
+    Model groups this model belongs to
+    """
     groups: [MLModelGroup]
 
+    """
+    Additional custom properties specific to this model
+    """
     customProperties: [CustomPropertiesEntry!]
 
+    """
+    URL to view this model in external system
+    """
     externalUrl: String
+
+    """
+    When this model was created
+    """
+    created: AuditStamp
+
+    """
+    Deprecated timestamp for model creation
+    @deprecated Use 'created' field instead
+    """
+    date: Long @deprecated(reason: "Use `created` instead")
 }
 
 type MLFeatureProperties {
@@ -12804,3 +12905,92 @@ type CronSchedule {
     """
     timezone: String!
 }
+
+
+"""
+Properties describing a data process instance's execution metadata
+"""
+type DataProcessInstanceProperties {
+    """
+    The display name of this process instance
+    """
+    name: String!
+
+    """
+    URL to view this process instance in the external system
+    """
+    externalUrl: String
+
+    """
+    When this process instance was created
+    """
+    created: AuditStamp
+
+    """
+    Additional custom properties specific to this process instance
+    """
+    customProperties: [CustomPropertiesEntry!]
+}
+
+"""
+Properties specific to an ML model training run instance
+"""
+type MLTrainingRunProperties {
+    """
+    Unique identifier for this training run
+    """
+    id: String
+
+    """
+    List of URLs to access training run outputs (e.g. model artifacts, logs)
+    """
+    outputUrls: [String]
+
+    """
+    Hyperparameters used in this training run
+    """
+    hyperParams: [MLHyperParam]
+
+    """
+    Performance metrics recorded during this training run
+    """
+    trainingMetrics: [MLMetric]
+}
+
+extend type DataProcessInstance {
+
+    """
+    Additional read only properties associated with the Data Job
+    """
+    properties: DataProcessInstanceProperties
+
+    """
+    The specific instance of the data platform that this entity belongs to
+    """
+    dataPlatformInstance: DataPlatformInstance
+
+    """
+    Sub Types that this entity implements
+    """
+    subTypes: SubTypes
+
+    """
+    The parent container in which the entity resides
+    """
+    container: Container
+
+    """
+    Standardized platform urn where the data process instance is defined
+    """
+    platform: DataPlatform!
+
+    """
+    Recursively get the lineage of containers for this entity
+    """
+    parentContainers: ParentContainersResult
+
+    """
+    Additional properties when subtype is Training Run
+    """
+    mlTrainingRunProperties: MLTrainingRunProperties
+}

metadata-models/src/main/pegasus/com/linkedin/dataprocess/DataProcessInstanceOutput.pdl

@@ -15,7 +15,7 @@ record DataProcessInstanceOutput {
   @Relationship = {
     "/*": {
       "name": "Produces",
-      "entityTypes": [ "dataset" ]
+      "entityTypes": [ "dataset", "mlModel" ]
     }
   }
   @Searchable = {

metadata-models/src/main/pegasus/com/linkedin/dataprocess/DataProcessInstanceProperties.pdl

@@ -52,4 +52,4 @@ record DataProcessInstanceProperties includes CustomProperties, ExternalReferenc
   }
   created: AuditStamp
 
-}
+}

metadata-models/src/main/pegasus/com/linkedin/ml/metadata/MLModelGroupProperties.pdl

@@ -4,6 +4,7 @@ import com.linkedin.common.Urn
 import com.linkedin.common.Time
 import com.linkedin.common.VersionTag
 import com.linkedin.common.CustomProperties
+import com.linkedin.common.TimeStamp
 
 /**
  * Properties associated with an ML Model Group
@@ -13,6 +14,17 @@ import com.linkedin.common.CustomProperties
 }
 record MLModelGroupProperties includes CustomProperties {
 
+  /**
+   * Display name of the MLModelGroup
+   */
+  @Searchable = {
+    "fieldType": "WORD_GRAM",
+    "enableAutocomplete": true,
+    "boostScore": 10.0,
+    "queryByDefault": true,
+  }
+  name: optional string
+
   /**
    * Documentation of the MLModelGroup
    */
@@ -25,8 +37,31 @@ record MLModelGroupProperties includes CustomProperties {
   /**
    * Date when the MLModelGroup was developed
    */
+  @deprecated
   createdAt: optional Time
 
+  /**
+   * Time and Actor who created the MLModelGroup
+   */
+  created: optional TimeStamp
+
+  /**
+   * Date when the MLModelGroup was last modified
+   */
+  lastModified: optional TimeStamp
+
+  /**
+   * List of jobs (if any) used to train the model group. Visible in Lineage.
+   */
+  @Relationship = {
+    "/*": {
+      "name": "TrainedBy",
+      "entityTypes": [ "dataJob" ],
+      "isLineage": true
+    }
+  }
+  trainingJobs: optional array[Urn]
+
   /**
    * Version of the MLModelGroup
    */