jschoubben
3b03fcd8f7
redis, postgres and minio adapters drop generatePassword + the returned credential: each creates the resource under the login the mesh derived (`as`) with the password the mesh minted (`p.password`). minio's client gains a secret-key argument so it sets the mesh's secret rather than generating one. umami (analytics) is re-pointed at the new contract too; its siteId return is a data-provision concern ADR 0053 scopes out. Proven: mesh-lab provider-uses-mesh-credential green — redis creates the consumer's login with the mesh's password, the consumer authenticates (PONG), no seal key set. Claude-Session: https://claude.ai/code/session_01LrgweAeERJYBg88c5cKDzF
47 lines
2.0 KiB
TypeScript
47 lines
2.0 KiB
TypeScript
// redis's provisioner — the adapter that makes redis a provider of the mesh `redis-cache`
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// interface. The reconcile loop, the contributions file, and reading the mesh's minted password are
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// the sdk harness's; this writes only the per-service half: how redis creates and removes a
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// per-consumer cache (novox/hq ADR 0044/0045/0053).
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//
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// The `redis-cache` interface: a consumer connects as `as` with the password the mesh minted, and
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// stores its keys under `<as>:*`, isolated from every other consumer by an ACL user scoped to
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// exactly that prefix.
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//
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// **The login and password are the mesh's, not the provisioner's (ADR 0053).** The mesh derives the
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// login and hands it to both ends so they agree, and mints the password and delivers a copy to each.
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// redis creates exactly that login with exactly that password — a name or password the provisioner
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// invented is one the consumer could never present.
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import { runProvisioner, type Provision } from "@novox/mesh-sdk/provisioner";
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import { emit } from "@novox/mesh-sdk/events";
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import { RedisClient } from "../client.js";
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const redis = RedisClient.fromEnv();
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/** Emit a lifecycle event without letting a broker hiccup fail the provisioning itself. */
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async function announce(type: string, body: Record<string, string>): Promise<void> {
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try {
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await emit(type, body);
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} catch (err) {
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console.error(`[provisioner:redis-cache] emit ${type} failed: ${err}`);
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}
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}
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runProvisioner("redis-cache", {
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async create(p: Provision): Promise<void> {
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// The keyspace is scoped to the consumer's own login, so one cannot read another's keys.
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const keyspacePrefix = p.as;
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await redis.createAclUser(p.as, p.password, keyspacePrefix);
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await announce("module.redis.cache.provisioned", {
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consumer: p.consumer ?? "",
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username: p.as,
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keyspacePrefix,
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});
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},
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async remove(p: { as: string }): Promise<void> {
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await redis.deleteAclUser(p.as);
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await announce("module.redis.cache.deprovisioned", { username: p.as });
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},
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});
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