{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Name\n", "\n", "Data preparation by deleting a cluster in Cloud Dataproc\n", "\n", "# Label\n", "Cloud Dataproc, cluster, GCP, Cloud Storage, Kubeflow, Pipeline\n", "\n", "\n", "# Summary\n", "A Kubeflow Pipeline component to delete a cluster in Cloud Dataproc.\n", "\n", "## Intended use\n", "Use this component at the start of a Kubeflow Pipeline to delete a temporary Cloud Dataproc \n", "cluster to run Cloud Dataproc jobs as steps in the pipeline. This component is usually \n", "used with an [exit handler](https://github.com/kubeflow/pipelines/blob/master/samples/core/exit_handler/exit_handler.py) to run at the end of a pipeline.\n", "\n", "\n", "## Runtime arguments\n", "| Argument | Description | Optional | Data type | Accepted values | Default |\n", "|----------|-------------|----------|-----------|-----------------|---------|\n", "| project_id | The Google Cloud Platform (GCP) project ID that the cluster belongs to. | No | GCPProjectID | | |\n", "| region | The Cloud Dataproc region in which to handle the request. | No | GCPRegion | | |\n", "| name | The name of the cluster to delete. | No | String | | |\n", "| wait_interval | The number of seconds to pause between polling the operation. | Yes | Integer | | 30 |\n", "\n", "\n", "## Cautions & requirements\n", "To use the component, you must:\n", "* Set up a GCP project by following this [guide](https://cloud.google.com/dataproc/docs/guides/setup-project).\n", "* The component can authenticate to GCP. Refer to [Authenticating Pipelines to GCP](https://www.kubeflow.org/docs/gke/authentication-pipelines/) for details.\n", "* Grant the Kubeflow user service account the role `roles/dataproc.editor` on the project.\n", "\n", "## Detailed description\n", "This component deletes a Dataproc cluster by using [Dataproc delete cluster REST API](https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.clusters/delete).\n", "\n", "Follow these steps to use the component in a pipeline:\n", "1. Install the Kubeflow Pipeline SDK:" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "%%capture --no-stderr\n", "\n", "!pip3 install kfp --upgrade" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "2. Load the component using KFP SDK" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "import kfp.components as comp\n", "\n", "dataproc_delete_cluster_op = comp.load_component_from_url(\n", " 'https://raw.githubusercontent.com/kubeflow/pipelines/1.4.0-rc.1/components/gcp/dataproc/delete_cluster/component.yaml')\n", "help(dataproc_delete_cluster_op)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "### Sample\n", "\n", "Note: The following sample code works in an IPython notebook or directly in Python code. See the sample code below to learn how to execute the template.\n", "\n", "#### Prerequisites\n", "\n", "[Create a Dataproc cluster](https://cloud.google.com/dataproc/docs/guides/create-cluster) before running the sample code.\n", "\n", "#### Set sample parameters" ] }, { "cell_type": "code", "execution_count": null, "metadata": { "tags": [ "parameters" ] }, "outputs": [], "source": [ "PROJECT_ID = ''\n", "CLUSTER_NAME = ''\n", "\n", "REGION = 'us-central1'\n", "EXPERIMENT_NAME = 'Dataproc - Delete Cluster'" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "#### Example pipeline that uses the component" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "import kfp.dsl as dsl\n", "import json\n", "@dsl.pipeline(\n", " name='Dataproc delete cluster pipeline',\n", " description='Dataproc delete cluster pipeline'\n", ")\n", "def dataproc_delete_cluster_pipeline(\n", " project_id = PROJECT_ID, \n", " region = REGION,\n", " name = CLUSTER_NAME\n", "):\n", " dataproc_delete_cluster_op(\n", " project_id=project_id, \n", " region=region, \n", " name=name)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "#### Compile the pipeline" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "pipeline_func = dataproc_delete_cluster_pipeline\n", "pipeline_filename = pipeline_func.__name__ + '.zip'\n", "import kfp.compiler as compiler\n", "compiler.Compiler().compile(pipeline_func, pipeline_filename)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "#### Submit the pipeline for execution" ] }, { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "#Specify pipeline argument values\n", "arguments = {}\n", "\n", "#Get or create an experiment and submit a pipeline run\n", "import kfp\n", "client = kfp.Client()\n", "experiment = client.create_experiment(EXPERIMENT_NAME)\n", "\n", "#Submit a pipeline run\n", "run_name = pipeline_func.__name__ + ' run'\n", "run_result = client.run_pipeline(experiment.id, run_name, pipeline_filename, arguments)" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## References\n", "\n", "* [Component Python code](https://github.com/kubeflow/pipelines/blob/master/components/gcp/container/component_sdk/python/kfp_component/google/dataproc/_delete_cluster.py)\n", "* [Component Docker file](https://github.com/kubeflow/pipelines/blob/master/components/gcp/container/Dockerfile)\n", "* [Sample notebook](https://github.com/kubeflow/pipelines/blob/master/components/gcp/dataproc/delete_cluster/sample.ipynb)\n", "* [Dataproc delete cluster REST API](https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.clusters/delete)\n", "\n", "\n", "## License\n", "By deploying or using this software you agree to comply with the [AI Hub Terms of Service](https://aihub.cloud.google.com/u/0/aihub-tos) and the [Google APIs Terms of Service](https://developers.google.com/terms/). To the extent of a direct conflict of terms, the AI Hub Terms of Service will control." ] } ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.6.4" }, "pycharm": { "stem_cell": { "cell_type": "raw", "source": [], "metadata": { "collapsed": false } } } }, "nbformat": 4, "nbformat_minor": 2 }