Abstract
Purpose Major public cloud providers, such as AWS, Azure or Google, offer seamless experiences for infrastructure as a service (IaaS), platform as a service (PaaS) and software as a service (SaaS). With the emergence of the public cloud's vast usage, administrators must be able to have a reliable method to provide the seamless experience that a public cloud offers on a smaller scale, such as a private cloud. When a smaller deployment or a private cloud is needed, OpenStack can meet the goals without increasing cost or sacrificing data control. Design/methodology/approach To demonstrate these enablement goals of resiliency and elasticity in IaaS and PaaS, the authors design a private distributed system cloud platform using OpenStack and its core services of Nova, Swift, Cinder, Neutron, Keystone, Horizon and Glance on a five-node deployment. Findings Through the demonstration of dynamically adding an IaaS node, pushing the deployment to its physical and logical limits, and eventually crashing the deployment, this paper shows how the PackStack utility facilitates the provisioning of an elastic and resilient OpenStack-based IaaS platform that can be used in production if the deployment is kept within designated boundaries. Originality/value The authors adopt the multinode-capable PackStack utility in favor of an all-in-one OpenStack build for a true demonstration of resiliency, elasticity and scalability in a small-scale IaaS. An all-in-one deployment is generally used for proof-of-concept deployments and is not easily scaled in production across multiple nodes. The authors demonstrate that combining PackStack with the multi-node design is suitable for smaller-scale production IaaS and PaaS deployments.
Highlights
In the present day, information technology (IT) requirements change rapidly
This paper focuses on a small-scale deployment that can be imitated by small companies to provide a public cloud-like experience for end users who need the infrastructure as a service (IaaS) and platform as a service (PaaS) realms of the public cloud
We demonstrated that the PackStack utility provides an effective way for small companies to take advantage of the convoluted OpenStack software platform to orchestrate distributed computing
Summary
Information technology (IT) requirements change rapidly. This includes infrastructure and platforms that support development and operations in an organization. Whether it is used for the purpose of compliance, data retention, ease of administration or cost reduction; having an on-premise cloud infrastructure can enable business processes in many ways One such way that is pervasive in many modern practices is the need for seamless resilience and elasticity for end users, in most cases for in-house developers. This paper focuses on building a resilient, elastic private cloud using OpenStack while concentrating on infrastructure as a service (IaaS) and platform as a service (PaaS). In this private cloud deployment, OpenStack’s elasticity features will be used in order to demonstrate how to provide a seamless user experience when accessing IaaS and PaaS in OpenStack. Note that stress-testing is very unique in this study and has not been previously investigated in-depth in such a specific type of deployment
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