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Instance Selection based on hardware specification

Overview

With mapt users can select the type of instance to create on the cloud provider by providing its specification, i.e CPUs count, CPU architecture, Memory size and support for nested virtualization.

There are flags --cpus, --memory, --arch and --nested-virt for most of the mapt <provider> <profile | os> create except mac and windows OS for AWS and aks profile for Azure.

The flags also have sensible default values, if an instance type satisfying the requested hardware specs is not offered by the provider, it'll use the default values to create a machine.

Creating a fedora VM on AWS with user provided specs

As an example we can use the --cpus, --arch and --memory flags with the mapt aws fedora create command to create an arm machine with 8 cpus and 64GB of RAM:

$ mapt aws fedora create --spot \
    --arch arm64 \
    --cpus 8 --memory 64 \
    --project-name aws-mapt-fedora-test \
    --backed-url file:///home/mapt/workspace \
    --conn-details-output /tmp/fedora