OpenStack
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| OpenStack | |
|---|---|
 | |
| Name | OpenStack |
| Developer | OpenInfra Foundation |
| Release | 2024 |
| Programming language | Python |
| Operating system | Linux |
| License | Apache License 2.0 |
OpenStack is an open-source cloud computing platform designed to control large pools of compute, storage, and networking resources across data centers. It originated from collaborative projects and has been adopted by research institutions, telecommunications companies, and enterprises seeking Infrastructure as a Service solutions. Major contributors and stakeholders include foundations, vendors, and user communities from research labs, academic centers, and technology companies.
Overview
OpenStack provides modular services for virtualized infrastructure, enabling orchestration and multi-tenant resource allocation across heterogeneous hardware managed by projects such as Nova, Neutron, and Cinder. Influential institutions and companies involved during its maturation include the Linux Foundation, Wikimedia Foundation, Rackspace, and NASA, while deployments often interact with platforms from IBM, Hewlett-Packard, and Red Hat. Open-source governance models and licensing practices echo those used by projects like Linux, Apache HTTP Server, and Kubernetes, and it competes and interoperates with offerings from Amazon Web Services, Microsoft Azure, and Google Cloud Platform.
Architecture and Components
The architecture is composed of discrete, intercommunicating services: compute provisioning by Nova, block storage by Cinder, object storage by Swift, networking by Neutron, image management by Glance, and identity by Keystone. These components integrate with virtualization technologies such as KVM, Xen, and VMware ESXi, and with orchestration tools originally inspired by systems like Heat and projects related to Docker and Kubernetes. Supporting services include telemetry and metering akin to Ceilometer, database backends such as MySQL and PostgreSQL, messaging systems like RabbitMQ and Apache Kafka, and configuration management tools including Ansible, Puppet, and SaltStack.
Deployment and Management
Deployments range from small lab environments to large-scale production clouds operated by telcos and research facilities, often automated using Juju, TripleO, or OpenStack-Ansible and configured against inventories managed with Ansible Tower and Foreman. Operators plan capacity and high-availability with load balancers and distributed storage technologies such as Ceph and GlusterFS, integrating hardware from Dell EMC, Cisco, and Lenovo and leveraging monitoring stacks built on Prometheus and Nagios. Continuous integration and delivery pipelines commonly use Jenkins, GitLab CI, and Zuul to validate contributions from individual developers, corporations like Canonical and SUSE, and academic partners.
Use Cases and Adoption
Common use cases include private clouds for enterprises, public cloud offerings by telecom operators, and research compute clusters in universities and national labs, with adopters ranging from CERN and NASA to financial institutions and media companies. Industries employ the platform for test and development environments, high-performance computing workloads interfacing with Slurm and OpenMPI, and bare-metal provisioning workflows using Ironic and MAAS, while edge computing scenarios combine the platform with 5G initiatives and NFV deployments led by standards bodies and carriers. Migration strategies often reference case studies from banks, healthcare providers, and content delivery networks that evaluated interoperability with VMware vSphere, Microsoft Hyper-V, and public cloud APIs.
Development and Community
Development is coordinated through open-source governance, community summits, and integrated review systems, drawing contributors from academic labs, commercial vendors, and independent developers affiliated with organizations such as the OpenInfra Foundation, the Linux Foundation, and prominent cloud vendors. The project follows release cycles influenced by practices in projects like Fedora, Debian, and Ubuntu, and contributions are reviewed via Gerrit or Git systems with continuous testing provided by Zuul, Jenkins, and GitHub Actions. Collaboration occurs at conferences and user groups, including events similar in scope to FOSDEM, KubeCon, and OSCON, and working groups liaise with standards organizations and interoperability efforts championed by ETSI, OASIS, and IETF.
Security and Compliance
Security practices encompass role-based access control via Keystone, image signing and provenance verification, network isolation through Neutron, and storage encryption for volumes managed by Cinder and Swift. Compliance efforts map to regulatory frameworks relevant to sectors such as finance and healthcare, and operators implement audit logging, intrusion detection, and vulnerability scanning using tools comparable to OpenSCAP, Nessus, and OSSEC. Incident response and disclosure processes align with community norms and coordinate with vendors, academic security researchers, and organizations like CERT teams and national cyber centers to mitigate risks and publish advisories.