69 lines
2.3 KiB
TypeScript
69 lines
2.3 KiB
TypeScript
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// Libvirt network management for integration tests.
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import { execSync, spawnSync } from "node:child_process";
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import { writeFileSync, unlinkSync } from "node:fs";
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import { log } from "./libvirt.js";
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export const TEST_NETWORK_NAME = "lab-test";
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export const TEST_NETWORK_BRIDGE = "virbr-lab";
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export const TEST_NETWORK_SUBNET = "192.168.250";
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export const TEST_NETWORK_GATEWAY = `${TEST_NETWORK_SUBNET}.1`;
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const IS_ROOT = process.getuid?.() === 0;
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function run(cmd: string): string {
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const full = IS_ROOT ? cmd : `sudo ${cmd}`;
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return execSync(full, { encoding: "utf-8", stdio: "pipe" });
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}
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function virsh(...args: string[]): { status: number; stdout: string } {
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const cmd = IS_ROOT ? "virsh" : "sudo";
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const finalArgs = IS_ROOT ? args : ["virsh", ...args];
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const result = spawnSync(cmd, finalArgs, { encoding: "utf-8", stdio: "pipe" });
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return { status: result.status ?? 1, stdout: result.stdout ?? "" };
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}
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const NETWORK_XML = `<network>
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<name>${TEST_NETWORK_NAME}</name>
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<forward mode='nat'/>
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<bridge name='${TEST_NETWORK_BRIDGE}' stp='on' delay='0'/>
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<ip address='${TEST_NETWORK_GATEWAY}' netmask='255.255.255.0'>
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<dhcp>
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<range start='${TEST_NETWORK_SUBNET}.100' end='${TEST_NETWORK_SUBNET}.200'/>
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</dhcp>
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</ip>
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</network>`;
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/** Ensure the test libvirt network exists and is active. */
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export function ensureTestNetwork(): void {
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const result = virsh("net-info", TEST_NETWORK_NAME);
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if (result.status === 0 && result.stdout.includes("Active: yes")) {
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log(`Network ${TEST_NETWORK_NAME} already active`);
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return;
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}
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// Destroy existing if present but inactive
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if (result.status === 0) {
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virsh("net-destroy", TEST_NETWORK_NAME);
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virsh("net-undefine", TEST_NETWORK_NAME);
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}
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const xmlPath = `/tmp/lab-test-network.xml`;
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writeFileSync(xmlPath, NETWORK_XML);
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log(`Creating libvirt network: ${TEST_NETWORK_NAME} (${TEST_NETWORK_SUBNET}.0/24)`);
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run(`virsh net-define "${xmlPath}"`);
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run(`virsh net-start "${TEST_NETWORK_NAME}"`);
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try { unlinkSync(xmlPath); } catch { /* ignore */ }
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log(`Network ${TEST_NETWORK_NAME} created and active`);
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}
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/** Destroy the test network. */
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export function destroyTestNetwork(): void {
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log(`Destroying network: ${TEST_NETWORK_NAME}`);
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virsh("net-destroy", TEST_NETWORK_NAME);
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virsh("net-undefine", TEST_NETWORK_NAME);
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}
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