59 lines
1.6 KiB
TypeScript
59 lines
1.6 KiB
TypeScript
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import { mkdtemp, rm } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import path from "node:path";
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import { execFile } from "./helpers.js";
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import { Kernel } from "./kernel.js";
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export async function runQemu(
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squashfs: string,
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kernel: Kernel,
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{ graphic }: { graphic: boolean } = { graphic: true }
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) {
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const tmp = await mkdtemp(path.join(tmpdir(), "define-alpine-qemu-"));
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try {
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const disk = path.join(tmp, "tmp.ext4");
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await execFile("fallocate", ["--length", "1G", disk]);
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await execFile("mkfs.ext4", ["-F", disk]);
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let kernelAppend = [
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"root=/dev/sda",
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"rootfstype=squashfs",
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"modules=ext4",
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"quiet",
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"init=/sbin/runit-init",
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];
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let qemuAppend: string[] = [];
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if (!graphic) {
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kernelAppend.push("console=ttyS0");
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qemuAppend.push("-nographic");
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}
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// sudo chown root:$(id -u) -R boot/ && sudo chmod g+rw -R boot/
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await execFile("qemu-system-x86_64", [
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"-enable-kvm",
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"-m",
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"2048",
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"-drive",
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`file=${squashfs},media=disk,format=raw`,
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"-drive",
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`file=${disk},media=disk,format=raw`,
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"-net",
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"nic,model=virtio-net-pci",
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"-net",
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"user,hostfwd=tcp:127.0.0.1:8080-:80",
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"-kernel",
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kernel.vmlinuz,
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"-initrd",
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kernel.initramfs,
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"-append",
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kernelAppend.join(" "),
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...qemuAppend,
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"-no-shutdown",
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]);
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// -append "root=/dev/sda rootfstype=squashfs modules=ext4 quiet init=/sbin/runit-init $append" $qemuappend
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} finally {
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await rm(tmp, { recursive: true, force: true });
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}
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}
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