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vmngr / libvirt

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Libvirt bindings for Node.js®.

Example Usage

import libvirt, {
    DomainBuilder,
    domainDescToXml,
    domainDescFromXml,
} from "@vmngr/libvirt";

const uri = process.env.LIBVIRT_URI || "qemu:///system";
const hypervisor = new libvirt.Hypervisor({ uri });

(async () => {

    await hypervisor.connectOpen();

    // parse xml template
    const template = await domainDescFromXml("<domain>...</domain>");

    // build new domain description
    const domain = new DomainBuilder()
        .fromTemplate(template)

        .setName("test1")
        .setUUID("148d0864-2354-4c27-b82c-731bdd3f320c")

        .addDisk({
            type: "file", device: "disk",
            driver: { name: "qemu", type: "qcow2" },
            source: { file: "/home/leon/test1.img" },
            target: { dev: "vda", bus: "virtio" },
        })

        .addInterface({
            type: "network",
            source: { network: "default" },
            mac: { address: "52:54:00:8e:c6:5f" },
            model: { type: "virtio" },
        })

        .build();

    // define and boot domain
    const xml = domainDescToXml(domain);
    await hypervisor.domainCreateXML(xml);

    // list active domains
    const activeDomains = await hypervisor.connectListAllDomains(
            libvirt.ConnectListAllDomainsFlags.ACTIVE);

    // log active domain names
    const activeDomainNames = await Promise.all(activeDomains
        .map((domain) => hypervisor.domainGetName(domain)));
    console.log(activeDomainNames);

    await hypervisor.connectClose();

})();

Install

Debian / Ubuntu

$ sudo apt install build-essential libvirt-dev
$ npm i @vmngr/libvirt

MacOS

Install Homebrew and Xcode first if not already installed.

$ brew install libvirt
$ npm i @vmngr/libvirt

Contribute

Any contribution is welcome! To check wether your contribution conforms our style guide run the following tasks:

$ pip install cppcheck # required once
$ git submodule update --init --recursive # required once

$ npm run lint/bindings
$ npm run lint/lib
$ npm run lint/examples

MIT License

Copyright (c) 2019 Leon Rinkel leon@rinkel.me and vmngr/libvirt contributers

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.