Apache CloudStack

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CloudStack
Original authorsCloud.com, Citrix
DeveloperApache Software Foundation
Stable release
4.21.x (LTS)4.21.0.0 / August 24, 2025; 7 months ago (2025-08-24)[1]
4.17.x (LTS)4.17.2.0 / December 16, 2022; 3 years ago (2022-12-16)[1]
RepositoryCloudStack Repository
Written inJava (primarily), Python
Engine
    Lua error in Module:EditAtWikidata at line 29: attempt to index field 'wikibase' (a nil value).
    PlatformJava
    TypeCloud computing
    LicenseApache License 2.0
    Websitecloudstack.apache.org

    Lua error in mw.title.lua at line 392: bad argument #2 to 'title.new' (unrecognized namespace name 'Portal'). CloudStack is open-source Infrastructure-as-a-Service cloud computing software for creating, managing, and deploying infrastructure cloud services. It uses existing hypervisor platforms for virtualization, such as KVM, VMware vSphere, including ESXi and vCenter, XenServer/XCP and XCP-ng. In addition to its own API, CloudStack also supports the Amazon Web Services (AWS) API[2] and the Open Cloud Computing Interface from the Open Grid Forum.[3]

    History

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    CloudStack was originally developed by Cloud.com, formerly known as VMOps.[4]

    VMOps was founded by Sheng Liang, Shannon Williams, Alex Huang, Will Chan, and Chiradeep Vittal in 2008.[5][6] The company raised a total of $17.6M in venture funding[7] from Redpoint Ventures, Nexus Ventures and Index Ventures (Redpoint and Nexus led the initial Series A funding round). The company changed its name from VMOps to Cloud.com on May 4, 2010, when it emerged from stealth mode by announcing its product.[8][4][9] Cloud.com was based in Cupertino, California.

    In May 2010, Cloud.com released most of CloudStack as free software under the GNU General Public License, version 3 (GPLv3).[10] They kept about 5% proprietary.[11] Cloud.com and Citrix both supported OpenStack, another Apache-licensed cloud computing program, at its announcement in July 2010.[12][13][14]

    In October 2010, Cloud.com announced a partnership with Microsoft to develop the code to provide integration and support of Windows Server 2008 R2 Hyper-V to the OpenStack project.[15]

    Citrix Systems purchased Cloud.com on July 12, 2011, for approximately $200 million.[16][17][18] In August 2011, Citrix released the remaining code under the Apache Software License with further development governed by the Apache Foundation.[11] In February 2012, Citrix released CloudStack 3.0. Among other features, this added support for Swift, OpenStack's S3-like object storage solution.[19]

    In April 2012, Citrix donated CloudStack to the Apache Software Foundation (ASF), where it was accepted into the Apache Incubator; Citrix changed the license to the Apache License version 2. As part of this change, Citrix also ceased their involvement in OpenStack.[20] On November 6, 2012, CloudStack 4.0.0-incubating was announced,[21] the first stable release after joining ASF. On March 20, 2013, CloudStack graduated from Apache Incubator and became a Top-Level Project (TLP) of ASF.[22] The first stable (maintenance) release after graduation is CloudStack 4.0.2.[23]

    Key features

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    • Rich user-interface
    • noVNC-based VM console
    • Built-in high-availability for hosts and VMs
    • Hypervisor-agnostic
    • Multiple storage options including block and shared storage support
    • Snapshot management
    • Usage metering
    • Network management (VLAN, security groups)
    • Virtual routers, firewalls, load balancers
    • Multi-role support
    • LDAP, SAML, 2FA
    • End-to-end encryption including secured console, volume and database encryption
    • AWS API compatibility

    [24]

    Supported Hypervisors

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    Hypervisor[25] Version EOL (End Of Life)
    VMware vSphere 6.5 15/10/2022[26]
    VMware vSphere 6.7 15/10/2022[26]
    VMware vSphere 7.0 02/04/2025[26]
    VMware vSphere 8.0 11/10/2029
    Citrix Hypervisor 7.1 12/12/2023[27]
    Citrix Hypervisor 7.2 12/12/2023[27]
    Citrix Hypervisor 7.4 12/12/2023[27]
    Citrix Hypervisor 7.5 12/12/2023[27]
    Citrix Hypervisor 8.0 25/07/2025[28]
    XCP-ng 7.4 31/12/2018[28]
    XCP-ng 7.6 30/03/2020[28]
    XCP-ng 8.0 13/11/2020[28]
    XCP-ng 8.1 31/03/2021[28]
    XCP-ng 8.2 25/06/2025[28]
    Centos / Red Hat  KVM 7 30/08/2021[29]
    Centos / Red Hat  KVM 8 31/05/2029[29]
    Rocky/Alma Linux / Red Hat KVM 9 31 May 2034
    Ubuntu / KVM 18 2028[30]
    Ubuntu / KVM 20 2030[30]
    Ubuntu / KVM 22 2027
    Opensuse Leap / KVM 15 04/01/2022[31]
    Suse Linux Enterprise Server 15 31/07/2028[32]
    Rocky Linux 8 2029[33]
    Red Hat / LXC 7 30/08/2021[29]
    Microsoft Hyper-V 2012 R2 10/10/2023[34]

    BareMetal hosts

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    • RHEL or CentOS, v7.x
    • Ubuntu 16.04

    Deployment architecture

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    The minimum production installation consists of one machine running the CloudStack Management Server and another machine to act as the cloud infrastructure (in this case, a very simple infrastructure consisting of one host running hypervisor software). In its smallest deployment, a single machine can act as both the Management Server and the hypervisor host (using the KVM hypervisor).[35]

    Multiple management servers can be configured for redundancy and load balancing, all pointing to a common MySQL database.

    Users

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    In July 2012 it was reported that Datapipe launched the largest international public cloud to be built on CloudStack, which included 6 data centers in the US, Britain, and Asia.[36]

    References

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    15. ^ Harris, Derrick Harris (October 22, 2010). "Microsoft Joins OpenStack to Add Hyper-V Support." Archived 2021-08-03 at the Wayback Machine Gigaom.com Archived 2011-09-18 at the Wayback Machine. Retrieved November 2011.
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