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ApplicationDiscoveryService

Client

class ApplicationDiscoveryService.Client

A low-level client representing AWS Application Discovery Service

Amazon Web Services Application Discovery Service helps you plan application migration projects. It automatically identifies servers, virtual machines (VMs), and network dependencies in your on-premises data centers. For more information, see the Amazon Web Services Application Discovery Service FAQ. Application Discovery Service offers three ways of performing discovery and collecting data about your on-premises servers:

  • Agentless discovery is recommended for environments that use VMware vCenter Server. This mode doesn't require you to install an agent on each host. It does not work in non-VMware environments.
    • Agentless discovery gathers server information regardless of the operating systems, which minimizes the time required for initial on-premises infrastructure assessment.
    • Agentless discovery doesn't collect information about network dependencies, only agent-based discovery collects that information.
  • Agent-based discovery collects a richer set of data than agentless discovery by using the Amazon Web Services Application Discovery Agent, which you install on one or more hosts in your data center.
    • The agent captures infrastructure and application information, including an inventory of running processes, system performance information, resource utilization, and network dependencies.
    • The information collected by agents is secured at rest and in transit to the Application Discovery Service database in the cloud.
  • Amazon Web Services Partner Network (APN) solutions integrate with Application Discovery Service, enabling you to import details of your on-premises environment directly into Migration Hub without using the discovery connector or discovery agent.
    • Third-party application discovery tools can query Amazon Web Services Application Discovery Service, and they can write to the Application Discovery Service database using the public API.
    • In this way, you can import data into Migration Hub and view it, so that you can associate applications with servers and track migrations.
Recommendations

We recommend that you use agent-based discovery for non-VMware environments, and whenever you want to collect information about network dependencies. You can run agent-based and agentless discovery simultaneously. Use agentless discovery to complete the initial infrastructure assessment quickly, and then install agents on select hosts to collect additional information.

Working With This Guide

This API reference provides descriptions, syntax, and usage examples for each of the actions and data types for Application Discovery Service. The topic for each action shows the API request parameters and the response. Alternatively, you can use one of the Amazon Web Services SDKs to access an API that is tailored to the programming language or platform that you're using. For more information, see Amazon Web Services SDKs.

Note

  • Remember that you must set your Migration Hub home region before you call any of these APIs.
  • You must make API calls for write actions (create, notify, associate, disassociate, import, or put) while in your home region, or a HomeRegionNotSetException error is returned.
  • API calls for read actions (list, describe, stop, and delete) are permitted outside of your home region.
  • Although it is unlikely, the Migration Hub home region could change. If you call APIs outside the home region, an InvalidInputException is returned.
  • You must call GetHomeRegion to obtain the latest Migration Hub home region.

This guide is intended for use with the Amazon Web Services Application Discovery Service User Guide.

Warning

All data is handled according to the Amazon Web Services Privacy Policy. You can operate Application Discovery Service offline to inspect collected data before it is shared with the service.

import boto3

client = boto3.client('discovery')

These are the available methods:

Paginators

Paginators are available on a client instance via the get_paginator method. For more detailed instructions and examples on the usage of paginators, see the paginators user guide.

The available paginators are:

DescribeDirectConnectGateways
associate_configuration_items_to_application
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