Get CPU metric data of N days as per desired input from user for all the VMs in an azure subscription.

PREREQUISITE:

1. PowerShell version: 5
2. Install following module: Install-Module ImportExcel

DESCRIPTION:

This script is used to get the metric named average CPU for last 90 days for all the VMs provided by input csv. CSV must contain two fields: VM name and Resource group name.

INPUT:

1. Path of CSV which contains VM name and Resource groups to which they belong
2. Path where the output needs to be stored.

OUTPUT:

Output of this gives you average CPU utilization of each VM in last 90 days in form of CSV with two fields: Timestamp, Average