188 lines
8.8 KiB
TypeScript
188 lines
8.8 KiB
TypeScript
/**
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* A provider's runtime, on the backend's own private network, still binds the mesh broker.
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*
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* The committed provider manifests keep the backend server on a private container network and put
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* the tool/provisioner runtime on it too, so the runtime reaches the backend by name (redis:6379).
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* The runtime also has to bind the mesh broker for its scoped account — reached not on that private
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* network but via NAT to the broker's node address. This proves that shape: redis's runtime, on the
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* `redis` network, comes up, provisions a consumer with the mesh's credential, and its scoped account
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* is on the broker — none of which happens if it could not reach the broker from the bridge.
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*
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* This mirrors the redis committed manifest exactly (server on `redis` with a published port, runtime
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* on `redis`), where the earlier host-networked bed (since retired) took the shortcut. If this is green, the
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* private-network shape is the one to roll out to every provider.
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*/
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import { test, before, after } from "node:test";
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import assert from "node:assert/strict";
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import { existsSync, readFileSync } from "node:fs";
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import { loadScenario } from "../../src/declaration/parse.ts";
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import { raise } from "../../src/lifecycle/raise.ts";
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import { destroy, exec } from "../../src/lifecycle/operate.ts";
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import { hostBinaryPath, HOST_PATH } from "../../src/lifecycle/place.ts";
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import { labIsUsable, destroyAll, foundationBundle, onTheMachine, catalogueModule, catalogueIsPresent } from "./harness.ts";
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import type { HeldImage } from "../../src/pinning.ts";
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const capability = await labIsUsable();
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const binary = hostBinaryPath();
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const bundle = process.env["MESH_LAB_BUNDLE"] ?? "";
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const skip = !capability.usable
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? `lab not usable: ${capability.why}`
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: !binary || !existsSync(binary)
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? "MESH_LAB_HOST_BINARY is not set to a built mesh-host"
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: !bundle || !existsSync(bundle)
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? "MESH_LAB_BUNDLE is not set to a foundation bundle (mesh-host examples/)"
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: catalogueIsPresent();
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const SCENARIO = "redis-node";
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const MACHINE = "anchor";
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let instanceId = "";
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let held: HeldImage[] = [];
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function quote(s: string): string {
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return `'${s.replaceAll("'", `'\\''`)}'`;
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}
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async function on(command: string, timeoutMs?: number): Promise<{ out: string; ok: boolean }> {
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const { stdout } = await exec(instanceId, MACHINE, [
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"sh", "-c", `exec 2>&1\n${command}\necho "__exit=$?"`,
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], timeoutMs);
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const marker = stdout.lastIndexOf("__exit=");
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if (marker < 0) return { out: stdout, ok: false };
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return { out: stdout.slice(0, marker), ok: stdout.slice(marker + 7).trim() === "0" };
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}
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async function must(command: string, timeoutMs?: number): Promise<string> {
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const { out, ok } = await on(command, timeoutMs);
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if (!ok) throw new Error(`${MACHINE}: ${command}\n${out}`);
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return out;
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}
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async function mesh(command: string, timeoutMs?: number): Promise<string> {
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return must(`docker exec mesh-controller /mesh-controller ${command}`, timeoutMs);
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}
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/** What a manifest's image reference becomes on the machine — ours by ID, everything else as written. */
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function pinned(reference: string): string {
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return onTheMachine(reference, held);
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}
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function bundleFor(images: HeldImage[]): string {
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return foundationBundle(bundle, images);
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}
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function tokenFrom(said: string): string {
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const found = said.split("\n").map((l) => l.trim()).find((l) => l.length > 100 && !l.includes(" "));
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assert.ok(found, `no token in:\n${said}`);
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return found;
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}
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async function settled(withinMs = 480_000): Promise<void> {
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const until = Date.now() + withinMs;
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let last = "";
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while (Date.now() < until) {
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const asked = await on(`docker exec mesh-controller /mesh-controller status --json`);
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if (asked.ok) {
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try {
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const state = JSON.parse(asked.out) as {
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wrong: { node: string; outcome: string }[];
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waiting: { node: string }[];
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reported: { node: string; outcome: string; current: boolean }[];
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};
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const bad = state.wrong.find((w) => w.node === MACHINE);
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if (bad) throw new Error(`${MACHINE} did not apply what it was sent: ${bad.outcome}\n${asked.out}`);
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const word = state.reported.find((r) => r.node === MACHINE);
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if (!state.waiting.some((w) => w.node === MACHINE) && word?.outcome === "applied" && word.current) return;
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last = asked.out;
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} catch (err) {
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if (err instanceof Error && err.message.includes("did not apply")) throw err;
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last = asked.out;
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}
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}
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await new Promise((r) => setTimeout(r, 5000));
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}
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throw new Error(`${MACHINE} never caught up within ${Math.round(withinMs / 1000)}s. Last:\n${last}`);
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}
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before(async () => {
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if (skip) return;
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const raised = await raise(loadScenario(`scenarios/${SCENARIO}.yml`), {
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onProgress: (m) => console.log(`raise: ${m}`),
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});
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instanceId = raised.instanceId;
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held = raised.images;
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await must(`cat > /tmp/foundation.lock <<'MESHBUNDLE'\n${bundleFor(raised.images)}\nMESHBUNDLE`);
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await must(`${HOST_PATH} apply /tmp/foundation.lock`, 600_000);
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const up = await must(`docker ps --format '{{.Names}}'`);
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for (const c of ["mesh-store", "mesh-broker", "mesh-controller"]) {
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assert.match(up, new RegExp(c), `the foundation did not raise ${c}:\n${up}`);
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}
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await mesh(`node add ${MACHINE}`);
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const token = tokenFrom(await mesh(`token issue --node ${MACHINE}`));
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await must(`${HOST_PATH} enrol --token ${quote(token)}`);
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await must(`nohup ${HOST_PATH} run > /var/log/mesh-host.log 2>&1 & sleep 3`);
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}, { timeout: 1_800_000 });
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after(async () => {
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if (instanceId) await destroy(instanceId);
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await destroyAll(`${SCENARIO}-`);
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}, { timeout: 600_000 });
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test("redis's runtime, on the backend's private network, binds the broker and provisions with the mesh's credential", {
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skip, timeout: 900_000,
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}, async () => {
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// The catalogue's redis (novox/hq 04-ISSUES/074): a private `redis` network, the server on it
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// with a published port, and the runtime on it too — reaching redis by name and the broker by
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// NAT. Its own password is a `secret` the vault provides, so the vault is installed beside it.
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const vaultManifest = catalogueModule("mesh-vault", held);
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await must(`printf %s ${quote(vaultManifest)} > /tmp/mesh-vault.json && docker cp /tmp/mesh-vault.json mesh-controller:/mesh-vault.json`);
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await mesh("module add /mesh-vault.json");
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await mesh(`module issue mesh-vault --node ${MACHINE}`);
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await mesh(`assign ${MACHINE} mesh-vault`);
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const manifest = catalogueModule("redis", held);
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await must(`printf %s ${quote(manifest)} > /tmp/redis.json && docker cp /tmp/redis.json mesh-controller:/redis.json`);
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await mesh("module add /redis.json");
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await mesh(`module issue redis --node ${MACHINE}`);
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await mesh(`assign ${MACHINE} redis`);
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await mesh(`push ${MACHINE}`);
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await settled();
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const running = await must(`docker ps --format '{{.Names}}'`);
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assert.match(running, /mesh-redis/, `redis's runtime is not running:\n${(await on(`docker logs mesh-redis 2>&1 | tail -30`)).out}`);
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// It bound the broker from the private network: its scoped account is on the broker. If NAT to the
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// broker had failed, the runtime would have crashed and never authenticated.
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const users = await must(`docker exec mesh-broker lavinmqctl list_users 2>&1`);
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assert.match(users, /anchor-redis/,
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`the runtime's scoped account is not on the broker — it did not reach the broker from the bridge:\n` +
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`${(await on(`docker logs mesh-redis 2>&1 | tail -30`)).out}`);
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// The mesh delivers the contribution and the unsealed password; the provisioner creates the login.
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const password = "mesh-minted-bridge-7c1";
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await must(`printf %s ${quote(password)} > /var/lib/redis-module/grants/app.secret`);
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const contributions = JSON.stringify({
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contributions: 1, requirement: "redis-cache", generated: "by the mesh",
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given: [{ from: "app", node: "app-node", at: "192.0.2.20:6379", as: "app-one", secret: "/var/lib/redis-module/grants/app.secret", values: {} }],
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});
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await must(`printf %s ${quote(contributions)} > /var/lib/redis-module/grants/mesh.json`);
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const adminPw = await must(`cat /var/lib/redis-module/default.secret`);
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let acl = "";
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const until = Date.now() + 60_000;
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while (Date.now() < until) {
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acl = (await on(`docker exec redis redis-cli -a ${quote(adminPw)} --no-auth-warning ACL LIST 2>/dev/null`)).out;
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if (/app-one/.test(acl)) break;
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await new Promise((r) => setTimeout(r, 3000));
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}
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assert.match(acl, /app-one/, `the provisioner never created the login:\n${(await on(`docker logs mesh-redis 2>&1 | tail -30`)).out}\n---\n${acl}`);
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const authed = await on(`docker exec redis redis-cli --user app-one --pass ${quote(password)} --no-auth-warning PING 2>&1`);
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assert.doesNotMatch(authed.out, /WRONGPASS/, `the consumer could not authenticate with the mesh's password:\n${authed.out}`);
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assert.match(authed.out, /PONG/, `expected PONG:\n${authed.out}`);
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});
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