Magnum introduction
Magnum is an OpenStack service that was created in 2014 by the OpenStack containers team to enable a Container Orchestration Engine (COE) offering the ability to deploy and manage containers as first-class resources in OpenStack.
Currently, Magnum supports Kubernetes, Apache Mesos, and Docker Swarm COEs. Magnum uses Heat to do the orchestration of these COEs on VMs or bare metals provisioned by OpenStack. It uses OS images that contain the required tools to run containers. Magnum offers KeyStone compatible APIs and a complete multi-tenant solution for managing your COEs on top of an OpenStack cluster.
A Magnum cluster is a set of various resources provided by different OpenStack services. It consists of a group of VMs provisioned by Nova, networks connecting these VMs created by Neutron, volumes attached to VMs created by Cinder, and so on. A Magnum cluster can also have some external resources depending on the options provided while creating a cluster. For example, we...