@vmngr/libvirt/dist/domain-xml.js

Libvirt bindings for Node.js®

"use strict";
/**
 * Copyright 2019 Leon Rinkel <leon@rinkel.me> and vmngr/libvirt contributers.
 *
 * This file is part of the vmngr/libvirt project and is subject to the MIT
 * license as in the LICENSE file in the project root.
 *
 * @brief Contains helper functions to deserialize / serialize domain
 *  descriptions from / to XML.
 */
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var xml2js_1 = __importDefault(require("xml2js"));
exports.domainOsXml = {
    serialize: function (osDesc) {
        // tslint:disable-next-line:no-any
        var os = { $: {} };
        if (osDesc.type) {
            os.type = { $: {} };
            if (osDesc.type.arch)
                os.type.$.arch = osDesc.type.arch;
            if (osDesc.type.machine)
                os.type.$.machine = osDesc.type.machine;
            if (osDesc.type.value)
                os.type._ = osDesc.type.value;
        }
        if (osDesc.boot) {
            os.boot = { $: {} };
            if (osDesc.boot.dev)
                os.boot.$.dev = osDesc.boot.dev;
        }
        return os;
    },
    // tslint:disable-next-line:no-any
    deserialize: function (os) {
        var osDesc = {};
        if (os.type[0]) {
            osDesc.type = {};
            if (os.type[0].$.arch) {
                osDesc.type.arch = os.type[0].$.arch;
            }
            if (os.type[0].$.machine) {
                osDesc.type.machine = os.type[0].$.machine;
            }
            if (os.type[0]._)
                osDesc.type.value = os.type[0]._;
        }
        if (os.boot[0]) {
            osDesc.boot = {};
            if (os.boot[0].$.dev)
                osDesc.boot.dev = os.boot[0].$.dev;
        }
        return osDesc;
    },
};
exports.domainDiskXml = {
    serialize: function (diskDesc) {
        // tslint:disable-next-line:no-any
        var disk = { $: {} };
        if (diskDesc.type)
            disk.$.type = diskDesc.type;
        if (diskDesc.device)
            disk.$.device = diskDesc.device;
        if (diskDesc.driver) {
            disk.driver = { $: {} };
            if (diskDesc.driver.name)
                disk.driver.$.name = diskDesc.driver.name;
            if (diskDesc.driver.type)
                disk.driver.$.type = diskDesc.driver.type;
        }
        if (diskDesc.source) {
            disk.source = { $: {} };
            if (diskDesc.source.file)
                disk.source.$.file = diskDesc.source.file;
        }
        if (diskDesc.target) {
            disk.target = { $: {} };
            if (diskDesc.target.dev)
                disk.target.$.dev = diskDesc.target.dev;
            if (diskDesc.target.bus)
                disk.target.$.bus = diskDesc.target.bus;
        }
        return disk;
    },
    // tslint:disable-next-line:no-any
    deserialize: function (disk) {
        var diskDesc = {};
        if (disk.$.type)
            diskDesc.type = disk.$.type;
        if (disk.$.device)
            diskDesc.device = disk.$.device;
        if (disk.driver[0]) {
            diskDesc.driver = {};
            if (disk.driver[0].$.name) {
                diskDesc.driver.name = disk.driver[0].$.name;
            }
            if (disk.driver[0].$.type) {
                diskDesc.driver.type = disk.driver[0].$.type;
            }
        }
        if (disk.source[0]) {
            diskDesc.source = {};
            if (disk.source[0].$.file) {
                diskDesc.source.file = disk.source[0].$.file;
            }
        }
        if (disk.target[0]) {
            diskDesc.target = {};
            if (disk.target[0].$.dev) {
                diskDesc.target.dev = disk.target[0].$.dev;
            }
            if (disk.target[0].$.bus) {
                diskDesc.target.bus = disk.target[0].$.bus;
            }
        }
        return diskDesc;
    },
};
exports.domainInterfaceXml = {
    serialize: function (interfaceDesc) {
        // tslint:disable-next-line:no-any
        var iface = { $: {} };
        if (interfaceDesc.type)
            iface.$.type = interfaceDesc.type;
        if (interfaceDesc.source) {
            iface.source = { $: {} };
            if (interfaceDesc.source.network) {
                iface.source.$.network = interfaceDesc.source.network;
            }
        }
        if (interfaceDesc.mac) {
            iface.mac = { $: {} };
            if (interfaceDesc.mac.address) {
                iface.mac.$.address = interfaceDesc.mac.address;
            }
        }
        if (interfaceDesc.model) {
            iface.model = { $: {} };
            if (interfaceDesc.model.type) {
                iface.model.$.type = interfaceDesc.model.type;
            }
        }
        return iface;
    },
    // tslint:disable-next-line:no-any
    deserialize: function (iface) {
        var interfaceDesc = {};
        if (iface.$.type)
            interfaceDesc.type = iface.$.type;
        if (iface.source[0]) {
            interfaceDesc.source = {};
            if (iface.source[0].$.network) {
                interfaceDesc.source.network = iface.source[0].$.network;
            }
        }
        if (iface.mac[0]) {
            interfaceDesc.mac = {};
            if (iface.mac[0].$.address) {
                interfaceDesc.mac.address = iface.mac[0].$.address;
            }
        }
        if (iface.model[0]) {
            interfaceDesc.model = {};
            if (iface.model[0].$.type) {
                interfaceDesc.model.type = iface.model[0].$.type;
            }
        }
        return interfaceDesc;
    },
};
exports.domainGraphicsXml = {
    serialize: function (graphicsDesc) {
        // tslint:disable-next-line:no-any
        var graphics = { $: {} };
        if (graphicsDesc.type)
            graphics.$.type = graphicsDesc.type;
        if (graphicsDesc.port)
            graphics.$.port = graphicsDesc.port;
        if (graphicsDesc.listen)
            graphics.$.listen = graphicsDesc.listen;
        if (graphicsDesc.passwd)
            graphics.$.passwd = graphicsDesc.passwd;
        return graphics;
    },
    // tslint:disable-next-line:no-any
    deserialize: function (graphics) {
        var graphicsDesc = {};
        if (graphics.$.type)
            graphicsDesc.type = graphics.$.type;
        if (graphics.$.port)
            graphicsDesc.port = Number(graphics.$.port);
        if (graphics.$.listen)
            graphicsDesc.listen = graphics.$.listen;
        if (graphics.$.passwd)
            graphicsDesc.passwd = graphics.$.passwd;
        return graphicsDesc;
    },
};
function domainDescToXml(desc) {
    // tslint:disable-next-line:no-any
    var domain = { $: {} };
    if (desc.type)
        domain.$.type = desc.type;
    if (desc.id)
        domain.$.id = desc.id;
    if (desc.name)
        domain.name = desc.name;
    if (desc.uuid)
        domain.uuid = desc.uuid;
    if (desc.memory) {
        domain.memory = { $: {} };
        if (desc.memory.unit)
            domain.memory.$.unit = desc.memory.unit;
        if (desc.memory.value)
            domain.memory._ = desc.memory.value;
    }
    if (desc.currentMemory) {
        domain.currentMemory = { $: {} };
        if (desc.currentMemory.unit) {
            domain.currentMemory.$.unit = desc.currentMemory.unit;
        }
        if (desc.currentMemory.value) {
            domain.currentMemory._ = desc.currentMemory.value;
        }
    }
    if (desc.vcpu) {
        domain.vcpu = { $: {} };
        if (desc.vcpu.placement)
            domain.vcpu.$.placement = desc.vcpu.placement;
        if (desc.vcpu.value)
            domain.vcpu._ = desc.vcpu.value;
    }
    if (desc.os)
        domain.os = exports.domainOsXml.serialize(desc.os);
    if (desc.devices) {
        domain.devices = {
            emulator: [],
            disk: [],
            interface: [],
            console: [],
            graphics: [],
        };
        for (var _i = 0, _a = desc.devices; _i < _a.length; _i++) {
            var deviceDesc = _a[_i];
            // tslint:disable-next-line:no-any
            var device = { $: {} };
            switch (deviceDesc.type) {
                case "emulator":
                    var emulatorDesc = deviceDesc.emulator;
                    if (emulatorDesc.value)
                        device._ = emulatorDesc.value;
                    domain.devices.emulator.push(device);
                    break;
                case "disk":
                    domain.devices.disk.push(exports.domainDiskXml.serialize(deviceDesc.disk));
                    break;
                case "interface":
                    domain.devices.interface.push(exports.domainInterfaceXml.serialize(deviceDesc.interface));
                    break;
                case "console":
                    var consoleDesc = deviceDesc.console;
                    if (consoleDesc.type)
                        device.$.type = consoleDesc.type;
                    domain.devices.console.push(device);
                    break;
                case "graphics":
                    domain.devices.graphics.push(exports.domainGraphicsXml.serialize(deviceDesc.graphics));
                    break;
                default:
            }
        }
    }
    var builder = new xml2js_1.default.Builder({ headless: true });
    return builder.buildObject({ domain: domain });
}
exports.domainDescToXml = domainDescToXml;
function domainDescFromXml(xml) {
    return __awaiter(this, void 0, void 0, function () {
        var domainDesc, parsed, _i, _a, disk, _b, _c, iface, _d, _e, cnsole, _f, _g, graphics;
        return __generator(this, function (_h) {
            switch (_h.label) {
                case 0:
                    domainDesc = {};
                    return [4 /*yield*/, xml2js_1.default.parseStringPromise(xml)];
                case 1:
                    parsed = _h.sent();
                    if (!parsed.domain)
                        throw new Error("Unable to parse domain xml");
                    if (parsed.domain.$.type)
                        domainDesc.type = parsed.domain.$.type;
                    if (parsed.domain.$.id)
                        domainDesc.id = parsed.domain.$.id;
                    if (parsed.domain.name && parsed.domain.name[0]) {
                        domainDesc.name = parsed.domain.name[0];
                    }
                    if (parsed.domain.uuid && parsed.domain.uuid[0]) {
                        domainDesc.uuid = parsed.domain.uuid[0];
                    }
                    if (parsed.domain.memory && parsed.domain.memory[0]) {
                        if (typeof parsed.domain.memory[0] === "object") {
                            domainDesc.memory = {
                                value: Number(parsed.domain.memory[0]._),
                                unit: parsed.domain.memory[0].$.unit,
                            };
                        }
                        else if (typeof parsed.domain.memory[0] === "string") {
                            domainDesc.memory = {
                                value: Number(parsed.domain.memory[0])
                            };
                        }
                    }
                    if (parsed.domain.currentMemory && parsed.domain.currentMemory[0]) {
                        if (typeof parsed.domain.currentMemory[0] === "object") {
                            domainDesc.currentMemory = {
                                value: Number(parsed.domain.currentMemory[0]._),
                                unit: parsed.domain.currentMemory[0].$.unit,
                            };
                        }
                        else if (typeof parsed.domain.currentMemory[0] === "string") {
                            domainDesc.currentMemory = {
                                value: Number(parsed.domain.currentMemory[0]),
                            };
                        }
                    }
                    if (parsed.domain.vcpu && parsed.domain.vcpu[0]) {
                        if (typeof parsed.domain.vcpu[0] === "object") {
                            domainDesc.vcpu = {
                                value: Number(parsed.domain.vcpu[0]._),
                                placement: parsed.domain.vcpu[0].$.placement,
                            };
                        }
                        else if (typeof parsed.domain.vcpu[0] === "string") {
                            domainDesc.vcpu = {
                                value: Number(parsed.domain.vcpu[0]),
                            };
                        }
                    }
                    if (parsed.domain.os && parsed.domain.os[0]) {
                        domainDesc.os = exports.domainOsXml.deserialize(parsed.domain.os[0]);
                    }
                    if (parsed.domain.devices && parsed.domain.devices[0]) {
                        domainDesc.devices = [];
                        if (parsed.domain.devices[0].emulator) {
                            domainDesc.devices.push({
                                type: "emulator",
                                emulator: {
                                    value: parsed.domain.devices[0].emulator[0]
                                },
                            });
                        }
                        if (parsed.domain.devices[0].disk) {
                            for (_i = 0, _a = parsed.domain.devices[0].disk; _i < _a.length; _i++) {
                                disk = _a[_i];
                                domainDesc.devices.push({
                                    type: "disk",
                                    disk: exports.domainDiskXml.deserialize(disk),
                                });
                            }
                        }
                        if (parsed.domain.devices[0].interface) {
                            for (_b = 0, _c = parsed.domain.devices[0].interface; _b < _c.length; _b++) {
                                iface = _c[_b];
                                domainDesc.devices.push({
                                    type: "interface",
                                    interface: exports.domainInterfaceXml.deserialize(iface),
                                });
                            }
                        }
                        if (parsed.domain.devices[0].console) {
                            for (_d = 0, _e = parsed.domain.devices[0].console; _d < _e.length; _d++) {
                                cnsole = _e[_d];
                                domainDesc.devices.push({
                                    type: "console",
                                    console: { type: cnsole.$.type },
                                });
                            }
                        }
                        if (parsed.domain.devices[0].graphics) {
                            for (_f = 0, _g = parsed.domain.devices[0].graphics; _f < _g.length; _f++) {
                                graphics = _g[_f];
                                domainDesc.devices.push({
                                    type: "graphics",
                                    graphics: exports.domainGraphicsXml.deserialize(graphics),
                                });
                            }
                        }
                    }
                    return [2 /*return*/, domainDesc];
            }
        });
    });
}
exports.domainDescFromXml = domainDescFromXml;