tsiry-sandratraina.com
A Docker-like CLI and HTTP API for managing headless VMs
Add NixOS image URL handling and tests for image URL construction
+10
main.ts
+10
main.ts
···
31
31
import tag from "./src/subcommands/tag.ts";
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import * as volumes from "./src/subcommands/volume.ts";
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import {
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+
constructNixOSImageURL,
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createDriveImageIfNeeded,
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downloadIso,
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emptyDiskImage,
···
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} else {
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isoPath = basename(coreOSImageURL).replace(".xz", "");
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}
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+
}
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+
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const nixOSIsoURL = yield* pipe(
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constructNixOSImageURL(input),
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Effect.catchAll(() => Effect.succeed(null)),
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);
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+
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if (nixOSIsoURL) {
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isoPath = yield* downloadIso(nixOSIsoURL, options);
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}
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}
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+6
src/constants.ts
+6
src/constants.ts
···
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export const CONFIG_FILE_NAME: string = "vmconfig.toml";
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export const IMAGE_DIR: string = `${CONFIG_DIR}/images`;
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export const VOLUME_DIR: string = `${CONFIG_DIR}/volumes`;
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+
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export const UBUNTU_ISO_URL: string = Deno.build.arch === "aarch64"
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? "https://cdimage.ubuntu.com/releases/24.04/release/ubuntu-24.04.3-live-server-arm64.iso"
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: "https://releases.ubuntu.com/24.04.3/ubuntu-24.04.3-live-server-amd64.iso";
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+
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export const FEDORA_COREOS_DEFAULT_VERSION: string = "43.20251024.3.0";
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export const FEDORA_COREOS_IMG_URL: string =
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`https://builds.coreos.fedoraproject.org/prod/streams/stable/builds/${FEDORA_COREOS_DEFAULT_VERSION}/${Deno.build.arch}/fedora-coreos-${FEDORA_COREOS_DEFAULT_VERSION}-qemu.${Deno.build.arch}.qcow2.xz`;
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+
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export const NIXOS_DEFAULT_VERSION: string = "25.05";
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export const NIXOS_ISO_URL: string =
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`https://channels.nixos.org/nixos-${NIXOS_DEFAULT_VERSION}/latest-nixos-minimal-${Deno.build.arch}-linux.iso`;
+23
src/utils.ts
+23
src/utils.ts
···
9
9
FEDORA_COREOS_DEFAULT_VERSION,
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FEDORA_COREOS_IMG_URL,
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LOGS_DIR,
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NIXOS_DEFAULT_VERSION,
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NIXOS_ISO_URL,
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} from "./constants.ts";
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import type { Image } from "./db.ts";
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import { generateRandomMacAddress } from "./network.ts";
···
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},
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catch: (error) => new LogCommandError({ cause: error }),
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});
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+
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export const constructNixOSImageURL = (
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image: string,
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): Effect.Effect<string, InvalidImageNameError, never> => {
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// detect with regex if image matches NixOS pattern: nixos or nixos-<version>
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const nixosRegex = /^(nixos)(-(\d+\.\d+))?$/;
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const match = image.match(nixosRegex);
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if (match) {
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const version = match[3] || NIXOS_DEFAULT_VERSION;
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return Effect.succeed(
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NIXOS_ISO_URL.replaceAll(NIXOS_DEFAULT_VERSION, version),
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);
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}
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+
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return Effect.fail(
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new InvalidImageNameError({
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image,
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cause: "Image name does not match NixOS naming conventions.",
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}),
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);
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};
+38
-2
src/utils_test.ts
+38
-2
src/utils_test.ts
···
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1
import { assertEquals } from "@std/assert";
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import { Effect, pipe } from "effect";
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-
import { FEDORA_COREOS_IMG_URL } from "./constants.ts";
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-
import { constructCoreOSImageURL } from "./utils.ts";
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import { FEDORA_COREOS_IMG_URL, NIXOS_ISO_URL } from "./constants.ts";
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import { constructCoreOSImageURL, constructNixOSImageURL } from "./utils.ts";
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Deno.test("Test Default Fedora CoreOS Image URL", () => {
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const url = Effect.runSync(
···
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assertEquals(url, null);
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});
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+
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Deno.test("Test Default NixOS Image URL", () => {
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const url = Effect.runSync(
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pipe(
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constructNixOSImageURL("nixos"),
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Effect.catchAll((_error) => Effect.succeed(null as string | null)),
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),
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);
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+
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assertEquals(url, NIXOS_ISO_URL);
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});
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+
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Deno.test("Test Specific NixOS Version", () => {
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const url = Effect.runSync(
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pipe(
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constructNixOSImageURL("nixos-24.05"),
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Effect.catchAll((_error) => Effect.succeed(null as string | null)),
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),
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);
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+
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+
assertEquals(
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url,
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`https://channels.nixos.org/nixos-24.05/latest-nixos-minimal-${Deno.build.arch}-linux.iso`,
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);
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});
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+
79
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Deno.test("Test invalid NixOS Image Name", () => {
80
+
const url = Effect.runSync(
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+
pipe(
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+
constructNixOSImageURL("nixos-latest"),
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+
Effect.catchAll((_error) => Effect.succeed(null as string | null)),
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+
),
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+
);
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+
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assertEquals(url, null);
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});