Accessing Azure Service Data
Introduction
This blog describes an alternative discovery process for organisations that are considering migrating workloads from Azure public cloud to another Public Cloud provider or back on-premise.
With the Azure API services, it is possible to perform a discovery task without having to install new agents or other software or writing complex scripts.
Technical Overview
The Microsoft Azure Cloud provides a complete service API layer that provides a simple RESTful API to perform queries of the Azure endpoints to collect discovery data.
Figure 1 – illustrates the high-level architecture of the Azure cloud, using the Azure API it is possible to collect subscription, application, infrastructure and service information using RESTful integration.
The Azure cloud provides data via JSON response documents.
Using the Azure APIs junkshon can either collect the data directly using the API endpoints or you can download the data from the API services in the JSON structure and, it can then be uploaded into the junkshon analytics platform for analysis and machine learning.
The key API end points that junkshon recommends using are:
Security Authentication
Azure Active Directory OAuth2 Flow
Type: oauth2 Flow: implicit Authorization URL: /login.microsoftonline.com/common/oauth2/authorize
General
Gets all subscriptions for a tenant
GET /management.azure.com/subscriptions?api-version=2016-06-01
Service Fabric
List by Subscription
GET
/subscriptions/{subscriptionId}/providers/Microsoft.ServiceFabricMesh/applications?api-version=2018-07-01-preview
List by Resource Group
GET
/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.ServiceFabricMesh/applications?api-version=2018-07-01-preview
List by Application Name
Gets services of a given application
GET /subscriptions/{subscriptionId}/providers/Microsoft.ServiceFabricMesh/applications?api-version=2018-07-01-preview
Traditional Virtual Machines
List Virtual Machine Subscription Images
GET
/subscriptions/{subscription-id}/providers/Microsoft.Compute/images?api-version=2018-06-01
List Virtual Machine Subscription Size
GET /subscriptions/{subscriptionId}/providers/Microsoft.Compute/locations/{location}/vmSizes?api-version=2018-06-01
List Virtual Machine Subscription Disk List
GET
/subscriptions/{subscription-id}/providers/Microsoft.Compute/disks?api-version=2018-06-01/
Service Mapping
List Connections Machines
Returns a collection of connections terminating or originating at the specified machine
GET
/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.OperationalInsights/workspaces/{workspaceName}/features/serviceMap/machines/{machineName}/connections?api-version=2015-11-01-preview