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@google-cloud/datacatalog

v4.2.0

Published

Google Cloud Data Catalog API client for Node.js

Downloads

1,501

Readme

Data Catalog: Node.js Client

release level npm version

Google Cloud Data Catalog API client for Node.js

A comprehensive list of changes in each version may be found in the CHANGELOG.

Read more about the client libraries for Cloud APIs, including the older Google APIs Client Libraries, in Client Libraries Explained.

Table of contents:

Quickstart

Before you begin

  1. Select or create a Cloud Platform project.
  2. Enable billing for your project.
  3. Enable the Data Catalog API.
  4. Set up authentication with a service account so you can access the API from your local workstation.

Installing the client library

npm install @google-cloud/datacatalog

Using the client library

// Import the Google Cloud client library and create a client.
const {DataCatalogClient} = require('@google-cloud/datacatalog').v1;
const datacatalog = new DataCatalogClient();

async function quickstart() {
  // Common fields.
  let request;
  let responses;

  /**
   * TODO(developer): Uncomment the following lines before running the sample.
   */
  // const projectId = 'my_project'; // Google Cloud Platform project
  // const datasetId = 'demo_dataset';
  // const tableId = 'trips';

  // Currently, Data Catalog stores metadata in the
  // us-central1 region.
  const location = 'us-central1';

  // Create Fields.
  const fieldSource = {
    displayName: 'Source of data asset',
    type: {
      primitiveType: 'STRING',
    },
  };

  const fieldNumRows = {
    displayName: 'Number of rows in data asset',
    type: {
      primitiveType: 'DOUBLE',
    },
  };

  const fieldHasPII = {
    displayName: 'Has PII',
    type: {
      primitiveType: 'BOOL',
    },
  };

  const fieldPIIType = {
    displayName: 'PII type',
    type: {
      enumType: {
        allowedValues: [
          {
            displayName: 'EMAIL',
          },
          {
            displayName: 'SOCIAL SECURITY NUMBER',
          },
          {
            displayName: 'NONE',
          },
        ],
      },
    },
  };

  // Create Tag Template.
  const tagTemplateId = 'demo_tag_template';

  const tagTemplate = {
    displayName: 'Demo Tag Template',
    fields: {
      source: fieldSource,
      num_rows: fieldNumRows,
      has_pii: fieldHasPII,
      pii_type: fieldPIIType,
    },
  };

  const tagTemplatePath = datacatalog.tagTemplatePath(
    projectId,
    location,
    tagTemplateId
  );

  // Delete any pre-existing Template with the same name.
  try {
    request = {
      name: tagTemplatePath,
      force: true,
    };
    await datacatalog.deleteTagTemplate(request);
    console.log(`Deleted template: ${tagTemplatePath}`);
  } catch (error) {
    console.log(`Cannot delete template: ${tagTemplatePath}`);
  }

  // Create the Tag Template request.
  const locationPath = datacatalog.locationPath(projectId, location);

  request = {
    parent: locationPath,
    tagTemplateId: tagTemplateId,
    tagTemplate: tagTemplate,
  };

  // Execute the request.
  responses = await datacatalog.createTagTemplate(request);
  const createdTagTemplate = responses[0];
  console.log(`Created template: ${createdTagTemplate.name}`);

  // Lookup Data Catalog's Entry referring to the table.
  responses = await datacatalog.lookupEntry({
    linkedResource:
      '//bigquery.googleapis.com/projects/' +
      `${projectId}/datasets/${datasetId}/tables/${tableId}`,
  });
  const entry = responses[0];
  console.log(`Entry name: ${entry.name}`);
  console.log(`Entry type: ${entry.type}`);
  console.log(`Linked resource: ${entry.linkedResource}`);

  // Attach a Tag to the table.
  const tag = {
    name: entry.name,
    template: createdTagTemplate.name,
    fields: {
      source: {
        stringValue: 'copied from tlc_yellow_trips_2017',
      },
      num_rows: {
        doubleValue: 113496874,
      },
      has_pii: {
        boolValue: false,
      },
      pii_type: {
        enumValue: {
          displayName: 'NONE',
        },
      },
    },
  };

  request = {
    parent: entry.name,
    tag: tag,
  };

  // Create the Tag.
  await datacatalog.createTag(request);
  console.log(`Tag created for entry: ${entry.name}`);
}
quickstart();

Samples

Samples are in the samples/ directory. Each sample's README.md has instructions for running its sample.

| Sample | Source Code | Try it | | --------------------------- | --------------------------------- | ------ | | Data_catalog.create_entry | source code | Open in Cloud Shell | | Data_catalog.create_entry_group | source code | Open in Cloud Shell | | Data_catalog.create_tag | source code | Open in Cloud Shell | | Data_catalog.create_tag_template | source code | Open in Cloud Shell | | Data_catalog.create_tag_template_field | source code | Open in Cloud Shell | | Data_catalog.delete_entry | source code | Open in Cloud Shell | | Data_catalog.delete_entry_group | source code | Open in Cloud Shell | | Data_catalog.delete_tag | source code | Open in Cloud Shell | | Data_catalog.delete_tag_template | source code | Open in Cloud Shell | | Data_catalog.delete_tag_template_field | source code | Open in Cloud Shell | | Data_catalog.get_entry | source code | Open in Cloud Shell | | Data_catalog.get_entry_group | source code | Open in Cloud Shell | | Data_catalog.get_iam_policy | source code | Open in Cloud Shell | | Data_catalog.get_tag_template | source code | Open in Cloud Shell | | Data_catalog.import_entries | source code | Open in Cloud Shell | | Data_catalog.list_entries | source code | Open in Cloud Shell | | Data_catalog.list_entry_groups | source code | Open in Cloud Shell | | Data_catalog.list_tags | source code | Open in Cloud Shell | | Data_catalog.lookup_entry | source code | Open in Cloud Shell | | Data_catalog.modify_entry_contacts | source code | Open in Cloud Shell | | Data_catalog.modify_entry_overview | source code | Open in Cloud Shell | | Data_catalog.reconcile_tags | source code | Open in Cloud Shell | | Data_catalog.rename_tag_template_field | source code | Open in Cloud Shell | | Data_catalog.rename_tag_template_field_enum_value | source code | Open in Cloud Shell | | Data_catalog.search_catalog | source code | Open in Cloud Shell | | Data_catalog.set_iam_policy | source code | Open in Cloud Shell | | Data_catalog.star_entry | source code | Open in Cloud Shell | | Data_catalog.test_iam_permissions | source code | Open in Cloud Shell | | Data_catalog.unstar_entry | source code | Open in Cloud Shell | | Data_catalog.update_entry | source code | Open in Cloud Shell | | Data_catalog.update_entry_group | source code | Open in Cloud Shell | | Data_catalog.update_tag | source code | Open in Cloud Shell | | Data_catalog.update_tag_template | source code | Open in Cloud Shell | | Data_catalog.update_tag_template_field | source code | Open in Cloud Shell | | Policy_tag_manager.create_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.create_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager.delete_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.delete_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager.get_iam_policy | source code | Open in Cloud Shell | | Policy_tag_manager.get_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.get_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager.list_policy_tags | source code | Open in Cloud Shell | | Policy_tag_manager.list_taxonomies | source code | Open in Cloud Shell | | Policy_tag_manager.set_iam_policy | source code | Open in Cloud Shell | | Policy_tag_manager.test_iam_permissions | source code | Open in Cloud Shell | | Policy_tag_manager.update_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.update_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager_serialization.export_taxonomies | source code | Open in Cloud Shell | | Policy_tag_manager_serialization.import_taxonomies | source code | Open in Cloud Shell | | Policy_tag_manager_serialization.replace_taxonomy | source code | Open in Cloud Shell | | Data_catalog.create_entry | source code | Open in Cloud Shell | | Data_catalog.create_entry_group | source code | Open in Cloud Shell | | Data_catalog.create_tag | source code | Open in Cloud Shell | | Data_catalog.create_tag_template | source code | Open in Cloud Shell | | Data_catalog.create_tag_template_field | source code | Open in Cloud Shell | | Data_catalog.delete_entry | source code | Open in Cloud Shell | | Data_catalog.delete_entry_group | source code | Open in Cloud Shell | | Data_catalog.delete_tag | source code | Open in Cloud Shell | | Data_catalog.delete_tag_template | source code | Open in Cloud Shell | | Data_catalog.delete_tag_template_field | source code | Open in Cloud Shell | | Data_catalog.get_entry | source code | Open in Cloud Shell | | Data_catalog.get_entry_group | source code | Open in Cloud Shell | | Data_catalog.get_iam_policy | source code | Open in Cloud Shell | | Data_catalog.get_tag_template | source code | Open in Cloud Shell | | Data_catalog.list_entries | source code | Open in Cloud Shell | | Data_catalog.list_entry_groups | source code | Open in Cloud Shell | | Data_catalog.list_tags | source code | Open in Cloud Shell | | Data_catalog.lookup_entry | source code | Open in Cloud Shell | | Data_catalog.rename_tag_template_field | source code | Open in Cloud Shell | | Data_catalog.rename_tag_template_field_enum_value | source code | Open in Cloud Shell | | Data_catalog.search_catalog | source code | Open in Cloud Shell | | Data_catalog.set_iam_policy | source code | Open in Cloud Shell | | Data_catalog.test_iam_permissions | source code | Open in Cloud Shell | | Data_catalog.update_entry | source code | Open in Cloud Shell | | Data_catalog.update_entry_group | source code | Open in Cloud Shell | | Data_catalog.update_tag | source code | Open in Cloud Shell | | Data_catalog.update_tag_template | source code | Open in Cloud Shell | | Data_catalog.update_tag_template_field | source code | Open in Cloud Shell | | Policy_tag_manager.create_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.create_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager.delete_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.delete_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager.get_iam_policy | source code | Open in Cloud Shell | | Policy_tag_manager.get_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.get_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager.list_policy_tags | source code | Open in Cloud Shell | | Policy_tag_manager.list_taxonomies | source code | Open in Cloud Shell | | Policy_tag_manager.set_iam_policy | source code | Open in Cloud Shell | | Policy_tag_manager.test_iam_permissions | source code | Open in Cloud Shell | | Policy_tag_manager.update_policy_tag | source code | Open in Cloud Shell | | Policy_tag_manager.update_taxonomy | source code | Open in Cloud Shell | | Policy_tag_manager_serialization.export_taxonomies | source code | Open in Cloud Shell | | Policy_tag_manager_serialization.import_taxonomies | source code | Open in Cloud Shell | | Quickstart | source code | Open in Cloud Shell |

The Data Catalog Node.js Client API Reference documentation also contains samples.

Supported Node.js Versions

Our client libraries follow the Node.js release schedule. Libraries are compatible with all current active and maintenance versions of Node.js. If you are using an end-of-life version of Node.js, we recommend that you update as soon as possible to an actively supported LTS version.

Google's client libraries support legacy versions of Node.js runtimes on a best-efforts basis with the following warnings:

  • Legacy versions are not tested in continuous integration.
  • Some security patches and features cannot be backported.
  • Dependencies cannot be kept up-to-date.

Client libraries targeting some end-of-life versions of Node.js are available, and can be installed through npm dist-tags. The dist-tags follow the naming convention legacy-(version). For example, npm install @google-cloud/datacatalog@legacy-8 installs client libraries for versions compatible with Node.js 8.

Versioning

This library follows Semantic Versioning.

This library is considered to be stable. The code surface will not change in backwards-incompatible ways unless absolutely necessary (e.g. because of critical security issues) or with an extensive deprecation period. Issues and requests against stable libraries are addressed with the highest priority.

More Information: Google Cloud Platform Launch Stages

Contributing

Contributions welcome! See the Contributing Guide.

Please note that this README.md, the samples/README.md, and a variety of configuration files in this repository (including .nycrc and tsconfig.json) are generated from a central template. To edit one of these files, make an edit to its templates in directory.

License

Apache Version 2.0

See LICENSE