Feature/list collection

src/sagemaker/collection.py

@@ -56,6 +56,41 @@ def _check_access_error(self, err: ClientError):
                 "https://docs.aws.amazon.com/sagemaker/latest/dg/modelcollections-permissions.html"
             )
 
+    def _add_model_group(self, model_package_group, tag_rule_key, tag_rule_value):
+        """To add a model package group to a collection
+
+        Args:
+            model_package_group (str): The name of the model package group
+            tag_rule_key (str): The tag key of the corresponing collection to be added into
+            tag_rule_value (str): The tag value of the corresponing collection to be added into
+        """
+        model_group_details = self.sagemaker_session.sagemaker_client.describe_model_package_group(
+            ModelPackageGroupName=model_package_group
+        )
+        self.sagemaker_session.sagemaker_client.add_tags(
+            ResourceArn=model_group_details["ModelPackageGroupArn"],
+            Tags=[
+                {
+                    "Key": tag_rule_key,
+                    "Value": tag_rule_value,
+                }
+            ],
+        )
+
+    def _remove_model_group(self, model_package_group, tag_rule_key):
+        """To remove a model package group from a collection
+
+        Args:
+            model_package_group (str): The name of the model package group
+            tag_rule_key (str): The tag key of the corresponing collection to be removed from
+        """
+        model_group_details = self.sagemaker_session.sagemaker_client.describe_model_package_group(
+            ModelPackageGroupName=model_package_group
+        )
+        self.sagemaker_session.sagemaker_client.delete_tags(
+            ResourceArn=model_group_details["ModelPackageGroupArn"], TagKeys=[tag_rule_key]
+        )
+
     def create(self, collection_name: str, parent_collection_name: str = None):
         """Creates a collection
 
@@ -65,38 +100,22 @@ def create(self, collection_name: str, parent_collection_name: str = None):
                 To be None if the collection is to be created on the root level
         """
 
-        tag_rule_key = f"sagemaker:collection-path:{time.time()}"
+        tag_rule_key = f"sagemaker:collection-path:{int(time.time() * 1000)}"
         tags_on_collection = {
             "sagemaker:collection": "true",
             "sagemaker:collection-path:root": "true",
         }
         tag_rule_values = [collection_name]
 
         if parent_collection_name is not None:
-            try:
-                group_query = self.sagemaker_session.get_resource_group_query(
-                    group=parent_collection_name
-                )
-            except ClientError as e:
-                error_code = e.response["Error"]["Code"]
-
-                if error_code == "NotFoundException":
-                    raise ValueError(f"Cannot find collection: {parent_collection_name}")
-                self._check_access_error(err=e)
-                raise
-            if group_query.get("GroupQuery"):
-                parent_tag_rule_query = json.loads(
-                    group_query["GroupQuery"].get("ResourceQuery", {}).get("Query", "")
-                )
-                parent_tag_rule = parent_tag_rule_query.get("TagFilters", [])[0]
-                if not parent_tag_rule:
-                    raise "Invalid parent_collection_name"
-                parent_tag_value = parent_tag_rule["Values"][0]
-                tags_on_collection = {
-                    parent_tag_rule["Key"]: parent_tag_value,
-                    "sagemaker:collection": "true",
-                }
-                tag_rule_values = [f"{parent_tag_value}/{collection_name}"]
+            parent_tag_rules = self._get_collection_tag_rule(collection_name=parent_collection_name)
+            parent_tag_rule_key = parent_tag_rules["tag_rule_key"]
+            parent_tag_value = parent_tag_rules["tag_rule_value"]
+            tags_on_collection = {
+                parent_tag_rule_key: parent_tag_value,
+                "sagemaker:collection": "true",
+            }
+            tag_rule_values = [f"{parent_tag_value}/{collection_name}"]
         try:
             resource_filters = [
                 "AWS::SageMaker::ModelPackageGroup",
@@ -122,19 +141,17 @@ def create(self, collection_name: str, parent_collection_name: str = None):
                 "Name": collection_create_response["Group"]["Name"],
                 "Arn": collection_create_response["Group"]["GroupArn"],
             }
-
         except ClientError as e:
             message = e.response["Error"]["Message"]
             error_code = e.response["Error"]["Code"]
 
             if error_code == "BadRequestException" and "group already exists" in message:
                 raise ValueError("Collection with the given name already exists")
-
             self._check_access_error(err=e)
             raise
 
     def delete(self, collections: List[str]):
-        """Deletes a lits of collection
+        """Deletes a list of collection.
 
         Args:
             collections (List[str]): List of collections to be deleted
@@ -152,6 +169,8 @@ def delete(self, collections: List[str]):
                 "Values": ["AWS::ResourceGroups::Group", "AWS::SageMaker::ModelPackageGroup"],
             },
         ]
+
+        # loops over the list of collection and deletes one at a time.
         for collection in collections:
             try:
                 collection_details = self.sagemaker_session.list_group_resources(
@@ -180,3 +199,264 @@ def delete(self, collections: List[str]):
             "deleted_collections": deleted_collection,
             "delete_collection_failures": delete_collection_failures,
         }
+
+    def _get_collection_tag_rule(self, collection_name: str):
+        """Returns the tag rule key and value for a collection"""
+
+        if collection_name is not None:
+            try:
+                group_query = self.sagemaker_session.get_resource_group_query(group=collection_name)
+            except ClientError as e:
+                error_code = e.response["Error"]["Code"]
+
+                if error_code == "NotFoundException":
+                    raise ValueError(f"Cannot find collection: {collection_name}")
+                self._check_access_error(err=e)
+                raise
+            if group_query.get("GroupQuery"):
+                tag_rule_query = json.loads(
+                    group_query["GroupQuery"].get("ResourceQuery", {}).get("Query", "")
+                )
+                tag_rule = tag_rule_query.get("TagFilters", [])[0]
+                if not tag_rule:
+                    raise "Unsupported parent_collection_name"
+                tag_rule_value = tag_rule["Values"][0]
+                tag_rule_key = tag_rule["Key"]
+
+            return {
+                "tag_rule_key": tag_rule_key,
+                "tag_rule_value": tag_rule_value,
+            }
+        raise ValueError("Collection name is required")
+
+    def add_model_groups(self, collection_name: str, model_groups: List[str]):
+        """To add list of model package groups to a collection
+
+        Args:
+            collection_name (str): The name of the collection
+            model_groups List[str]: Model pckage group names list to be added into the collection
+        """
+        if len(model_groups) > 10:
+            raise Exception("Model groups can have a maximum length of 10")
+        tag_rules = self._get_collection_tag_rule(collection_name=collection_name)
+        tag_rule_key = tag_rules["tag_rule_key"]
+        tag_rule_value = tag_rules["tag_rule_value"]
+
+        add_groups_success = []
+        add_groups_failure = []
+        if tag_rule_key is not None and tag_rule_value is not None:
+            for model_group in model_groups:
+                try:
+                    self._add_model_group(
+                        model_package_group=model_group,
+                        tag_rule_key=tag_rule_key,
+                        tag_rule_value=tag_rule_value,
+                    )
+                    add_groups_success.append(model_group)
+                except ClientError as e:
+                    self._check_access_error(err=e)
+                    message = e.response["Error"]["Message"]
+                    add_groups_failure.append(
+                        {
+                            "model_group": model_group,
+                            "failure_reason": message,
+                        }
+                    )
+        return {
+            "added_groups": add_groups_success,
+            "failure": add_groups_failure,
+        }
+
+    def remove_model_groups(self, collection_name: str, model_groups: List[str]):
+        """To remove list of model package groups from a collection
+
+        Args:
+            collection_name (str): The name of the collection
+            model_groups List[str]: Model package group names list to be removed
+        """
+
+        if len(model_groups) > 10:
+            raise Exception("Model groups can have a maximum length of 10")
+        tag_rules = self._get_collection_tag_rule(collection_name=collection_name)
+
+        tag_rule_key = tag_rules["tag_rule_key"]
+        tag_rule_value = tag_rules["tag_rule_value"]
+
+        remove_groups_success = []
+        remove_groups_failure = []
+        if tag_rule_key is not None and tag_rule_value is not None:
+            for model_group in model_groups:
+                try:
+                    self._remove_model_group(
+                        model_package_group=model_group,
+                        tag_rule_key=tag_rule_key,
+                    )
+                    remove_groups_success.append(model_group)
+                except ClientError as e:
+                    self._check_access_error(err=e)
+                    message = e.response["Error"]["Message"]
+                    remove_groups_failure.append(
+                        {
+                            "model_group": model_group,
+                            "failure_reason": message,
+                        }
+                    )
+        return {
+            "removed_groups": remove_groups_success,
+            "failure": remove_groups_failure,
+        }
+
+    def move_model_group(
+        self, source_collection_name: str, model_group: str, destination_collection_name: str
+    ):
+        """To move a model package group from one collection to another
+
+        Args:
+            source_collection_name (str): Collection name of the source
+            model_group (str): Model package group names which is to be moved
+            destination_collection_name (str): Collection name of the destination
+        """
+        remove_details = self.remove_model_groups(
+            collection_name=source_collection_name, model_groups=[model_group]
+        )
+        if len(remove_details["failure"]) == 1:
+            raise Exception(remove_details["failure"][0]["failure"])
+
+        added_details = self.add_model_groups(
+            collection_name=destination_collection_name, model_groups=[model_group]
+        )
+
+        if len(added_details["failure"]) == 1:
+            # adding the model group back to the source collection in case of an add failure
+            self.add_model_groups(
+                collection_name=source_collection_name, model_groups=[model_group]
+            )
+            raise Exception(added_details["failure"][0]["failure"])
+
+        return {
+            "moved_success": model_group,
+        }
+
+    def _convert_tag_collection_response(self, tag_collections: List[str]):
+        """Converts collection response from tag api to collection list response
+
+        Args:
+            tag_collections List[dict]: Collections list response from tag api
+        """
+        collection_details = []
+        for collection in tag_collections:
+            collection_arn = collection["ResourceARN"]
+            collection_name = collection_arn.split("group/")[1]
+            collection_details.append(
+                {
+                    "Name": collection_name,
+                    "Arn": collection_arn,
+                    "Type": "Collection",
+                }
+            )
+        return collection_details
+
+    def _convert_group_resource_response(
+        self, group_resource_details: List[dict], is_model_group: bool = False
+    ):
+        """Converts collection response from resource group api to collection list response
+
+        Args:
+            group_resource_details (List[dict]): Collections list response from resource group api
+            is_model_group (bool): If the reponse is of collection or model group type
+        """
+        collection_details = []
+        if group_resource_details["Resources"]:
+            for resource_group in group_resource_details["Resources"]:
+                collection_arn = resource_group["Identifier"]["ResourceArn"]
+                collection_name = collection_arn.split("group/")[1]
+                collection_details.append(
+                    {
+                        "Name": collection_name,
+                        "Arn": collection_arn,
+                        "Type": resource_group["Identifier"]["ResourceType"]
+                        if is_model_group
+                        else "Collection",
+                    }
+                )
+        return collection_details
+
+    def _get_full_list_resource(self, collection_name, collection_filter):
+        """Iterating to the full resource group list and returns appended paginated response
+
+        Args:
+            collection_name (str): Name of the collection to get the details
+            collection_filter (dict): Filter details to be passed to get the resource list
+
+        """
+        list_group_response = self.sagemaker_session.list_group_resources(
+            group=collection_name, filters=collection_filter
+        )
+        next_token = list_group_response.get("NextToken")
+        while next_token is not None:
+
+            paginated_group_response = self.sagemaker_session.list_group_resources(
+                group=collection_name,
+                filters=collection_filter,
+                next_token=next_token,
+            )
+            list_group_response["Resources"] = (
+                list_group_response["Resources"] + paginated_group_response["Resources"]
+            )
+            list_group_response["ResourceIdentifiers"] = (
+                list_group_response["ResourceIdentifiers"]
+                + paginated_group_response["ResourceIdentifiers"]
+            )
+            next_token = paginated_group_response.get("NextToken")
+
+        return list_group_response
+
+    def list_collection(self, collection_name: str = None):
+        """To all list the collections and content of the collections
+
+        In case there is no collection_name, it lists all the collections on the root level
+
+        Args:
+            collection_name (str): The name of the collection to list the contents of
+        """
+        collection_content = []
+        if collection_name is None:
+            tag_filters = [
+                {
+                    "Key": "sagemaker:collection-path:root",
+                    "Values": ["true"],
+                },
+            ]
+            resource_type_filters = ["resource-groups:group"]
+            tag_collections = self.sagemaker_session.get_tagging_resources(
+                tag_filters=tag_filters, resource_type_filters=resource_type_filters
+            )
+
+            return self._convert_tag_collection_response(tag_collections)
+
+        collection_filter = [
+            {
+                "Name": "resource-type",
+                "Values": ["AWS::ResourceGroups::Group"],
+            },
+        ]
+        list_group_response = self._get_full_list_resource(
+            collection_name=collection_name, collection_filter=collection_filter
+        )
+        collection_content = self._convert_group_resource_response(list_group_response)
+
+        collection_filter = [
+            {
+                "Name": "resource-type",
+                "Values": ["AWS::SageMaker::ModelPackageGroup"],
+            },
+        ]
+        list_group_response = self._get_full_list_resource(
+            collection_name=collection_name, collection_filter=collection_filter
+        )
+
+        collection_content = collection_content + self._convert_group_resource_response(
+            list_group_response, True
+        )
+
+        return collection_content