OpenStack Senlin. The openstack map gives you an “at a glance” view of the openstack landscape to see where those services fit and how they can work together. Speedy Evolution. OpenStack is broken up into services to allow you to plug and play components depending on your needs. This template, when run, invokes the OpenStack orchestration service using the OpenStack Open API, which in turn leverages the core OpenStack services (such as Nova, Cinder, Glance and Neutron) in VIO for automated creation and management of the specific resources. The software integrates other core components of OpenStack into a one-file template system. With this article I begin a series of hands-on developer oriented blog posts that explore OpenStack orchestration using Heat. In this way, it helps to manage the infrastructure needed for a cloud service to run. It implements an orchestration engine to launch multiple composite cloud applications based on templates in the form of text files that can be treated like code. Heat is the orchestration component of OpenStack, which allows developers to store the requirements of a cloud application in a file that defines what resources are necessary for that application. OpenStack can be complex to use and has a steep learning curve, which creates a hindrance for any users. Conclusion Heat is the main project in the OpenStack Orchestration program. The fact that OpenStack is open source means that anyone that chooses to use it, can access the source code, make changes, and share these with the community. The OpenStack Landscape. To make the most of this article, I recommend that you have an OpenStack installation where you can run the examples I present below. Senlin is a clustering service that manages homogenous cloud objects. The Stackanetes initiative circumvents the complexity by using Kubernetes cluster orchestration to deploy and manage OpenStack. Heat is the main project in the OpenStack Orchestration program. The template also outlines the relationships between resources. OpenStack is an open source platform that uses pooled virtual resources to build and manage private and public clouds. Both are widely employed by tech industry giants, notwithstanding Amazon, Google, and eBay. OpenStack Orchestration service¶ The Orchestration service provides a template-based orchestration for describing a cloud application by running OpenStack API calls to generate running cloud applications. OpenStack is a very big platform that has many small components, assuring the full functionality of its services. It is used to simplify orchestration because it can create and group similar resources. Most of those components are made by the open source community to help meet the needs of its users. The tools that comprise the OpenStack platform, called "projects," handle the core cloud-computing services of compute, networking, storage, identity, and image services.More than a dozen optional projects can also be bundled together to create unique, deployable clouds. Heat. What is OpenStack? OpenStack is a free open standard cloud computing platform, mostly deployed as infrastructure-as-a-service (IaaS) in both public and private clouds where virtual servers and other resources are made available to users. The mission of the OpenStack Orchestration program is to create a human- and machine-accessible service for managing the entire lifecycle of infrastructure and applications within OpenStack clouds. Heat integrates with other OpenStack components to address high availability, autoscaling and more. Heat is OpenStack's main orchestration component implementing an engine ... 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