Exemple #1
0
    def __create_pool_and_job(self, cluster_conf: models.ClusterConfiguration, software_metadata_key: str, start_task, VmImageModel):
        """
            Create a pool and job
            :param cluster_conf: the configuration object used to create the cluster
            :type cluster_conf: aztk.models.ClusterConfiguration
            :parm software_metadata_key: the id of the software being used on the cluster
            :param start_task: the start task for the cluster
            :param VmImageModel: the type of image to provision for the cluster
            :param wait: wait until the cluster is ready
        """
        self._get_cluster_data(cluster_conf.cluster_id).save_cluster_config(cluster_conf)
        # reuse pool_id as job_id
        pool_id = cluster_conf.cluster_id
        job_id = cluster_conf.cluster_id

        # Get a verified node agent sku
        sku_to_use, image_ref_to_use = \
            helpers.select_latest_verified_vm_image_with_node_agent_sku(
                VmImageModel.publisher, VmImageModel.offer, VmImageModel.sku, self.batch_client)

        network_conf = None
        if cluster_conf.subnet_id is not None:
            network_conf = batch_models.NetworkConfiguration(
                subnet_id=cluster_conf.subnet_id)
        auto_scale_formula = "$TargetDedicatedNodes={0}; $TargetLowPriorityNodes={1}".format(
            cluster_conf.vm_count, cluster_conf.vm_low_pri_count)

        # Confiure the pool
        pool = batch_models.PoolAddParameter(
            id=pool_id,
            virtual_machine_configuration=batch_models.VirtualMachineConfiguration(
                image_reference=image_ref_to_use,
                node_agent_sku_id=sku_to_use),
            vm_size=cluster_conf.vm_size,
            enable_auto_scale=True,
            auto_scale_formula=auto_scale_formula,
            auto_scale_evaluation_interval=timedelta(minutes=5),
            start_task=start_task,
            enable_inter_node_communication=True if not cluster_conf.subnet_id else False,
            max_tasks_per_node=4,
            network_configuration=network_conf,
            metadata=[
                batch_models.MetadataItem(
                    name=constants.AZTK_SOFTWARE_METADATA_KEY, value=software_metadata_key),
                batch_models.MetadataItem(
                        name=constants.AZTK_MODE_METADATA_KEY, value=constants.AZTK_CLUSTER_MODE_METADATA)
            ])

        # Create the pool + create user for the pool
        helpers.create_pool_if_not_exist(pool, self.batch_client)

        # Create job
        job = batch_models.JobAddParameter(
            id=job_id,
            pool_info=batch_models.PoolInformation(pool_id=pool_id))

        # Add job to batch
        self.batch_client.job.add(job)

        return helpers.get_cluster(cluster_conf.cluster_id, self.batch_client)
Exemple #2
0
    def __create_pool_and_job(self, cluster_conf, software_metadata_key: str,
                              start_task, VmImageModel):
        """
            Create a pool and job
            :param cluster_conf: the configuration object used to create the cluster
            :type cluster_conf: aztk.models.ClusterConfiguration 
            :parm software_metadata_key: the id of the software being used on the cluster
            :param start_task: the start task for the cluster
            :param VmImageModel: the type of image to provision for the cluster
            :param wait: wait until the cluster is ready
        """
        # reuse pool_id as job_id
        pool_id = cluster_conf.cluster_id
        job_id = cluster_conf.cluster_id

        # Get a verified node agent sku
        sku_to_use, image_ref_to_use = \
            helpers.select_latest_verified_vm_image_with_node_agent_sku(
                VmImageModel.publisher, VmImageModel.offer, VmImageModel.sku, self.batch_client)

        # Confiure the pool
        pool = batch_models.PoolAddParameter(
            id=pool_id,
            virtual_machine_configuration=batch_models.
            VirtualMachineConfiguration(image_reference=image_ref_to_use,
                                        node_agent_sku_id=sku_to_use),
            vm_size=cluster_conf.vm_size,
            target_dedicated_nodes=cluster_conf.vm_count,
            target_low_priority_nodes=cluster_conf.vm_low_pri_count,
            start_task=start_task,
            enable_inter_node_communication=True,
            max_tasks_per_node=1,
            metadata=[
                batch_models.MetadataItem(
                    name=constants.AZTK_SOFTWARE_METADATA_KEY,
                    value=software_metadata_key),
            ])

        # Create the pool + create user for the pool
        helpers.create_pool_if_not_exist(pool, self.batch_client)

        # Create job
        job = batch_models.JobAddParameter(
            id=job_id, pool_info=batch_models.PoolInformation(pool_id=pool_id))

        # Add job to batch
        self.batch_client.job.add(job)

        return helpers.get_cluster(cluster_conf.cluster_id, self.batch_client)