feat: derive workspace runtime secret requirements

This commit is contained in:
2026-08-14 17:26:39 +02:00
parent e4999c8420
commit 2114c94704
2 changed files with 337 additions and 0 deletions
@@ -0,0 +1,199 @@
import { dirname } from "node:path";
import {
buildInstallationContract,
type InstallationRole,
type InstallationSuffix,
type InstallationVariable,
} from "./contracts.js";
import { resolveRuntimeBindings, type RuntimeBindings } from "./bindings.js";
import {
DWH_TRANSPORTS,
validateWorkspaceDescriptor,
type DwhTransport,
type WorkspaceDescriptor,
} from "./schema.js";
import {
WorkspaceSecretStore,
type WorkspaceSecretMaterialization,
} from "./secret-store.js";
export type WorkspaceSecretInput = "password" | "textarea";
export interface WorkspaceSecretRequirement {
id: string;
variable: string;
connector: "dwh" | "evidence";
label: string;
description: string;
input: WorkspaceSecretInput;
required: boolean;
}
export interface WorkspaceRuntimeBindingLease {
bindings: RuntimeBindings;
release(): void;
}
interface RequirementDefinition {
id: string;
label: string;
description: string;
input: WorkspaceSecretInput;
}
const DEFINITIONS: Readonly<Partial<Record<`${InstallationRole}.${InstallationSuffix}`, RequirementDefinition>>> = {
"DWH.PASSWORD_FILE": {
id: "dwh.password",
label: "Data warehouse password",
description: "Password used by the selected data warehouse connection.",
input: "password",
},
"DWH.API_KEY_FILE": {
id: "dwh.api_key",
label: "Data warehouse API key",
description: "API key sent to the configured data warehouse REST endpoint.",
input: "password",
},
"DWH.SSH_PRIVATE_KEY_FILE": {
id: "dwh.ssh_private_key",
label: "SSH private key",
description: "Private key used to open the configured SSH tunnel to the data warehouse.",
input: "textarea",
},
"EVIDENCE.SIGNED_URLS_FILE": {
id: "evidence.signed_urls",
label: "Evidence signed URLs",
description: "Signed URLs that authorize ThothII to retrieve the workspace Evidence sources.",
input: "textarea",
},
"EVIDENCE.ACCESS_KEY_FILE": {
id: "evidence.access_key",
label: "Evidence access key",
description: "Access-key identifier used for the configured S3 Evidence source.",
input: "password",
},
"EVIDENCE.SECRET_KEY_FILE": {
id: "evidence.secret_key",
label: "Evidence secret key",
description: "Secret access key used for the configured S3 Evidence source.",
input: "password",
},
"EVIDENCE.SESSION_TOKEN_FILE": {
id: "evidence.session_token",
label: "Evidence session token",
description: "Optional temporary session token used with the S3 Evidence credentials.",
input: "password",
},
};
const REQUIRED_DWH_SECRETS: Readonly<Record<DwhTransport, readonly InstallationSuffix[]>> = {
postgres_direct: ["PASSWORD_FILE"],
rest_api: ["API_KEY_FILE"],
ssh_tunnel: ["PASSWORD_FILE", "SSH_PRIVATE_KEY_FILE"],
};
function isTransport(value: string | undefined): value is DwhTransport {
return value !== undefined && (DWH_TRANSPORTS as readonly string[]).includes(value);
}
function selectedTransport(
descriptor: WorkspaceDescriptor,
variables: readonly InstallationVariable[],
env: NodeJS.ProcessEnv,
): DwhTransport {
const transportVariable = variables.find(({ role, suffix }) => role === "DWH" && suffix === "TRANSPORT");
const value = transportVariable === undefined ? undefined : env[transportVariable.name];
return isTransport(value) && descriptor.dwh.supported_transports.includes(value)
? value
: descriptor.dwh.supported_transports[0];
}
function requirementFor(
variable: InstallationVariable,
required: boolean,
): WorkspaceSecretRequirement | undefined {
const definition = DEFINITIONS[`${variable.role}.${variable.suffix}`];
if (definition === undefined) return undefined;
return {
...definition,
variable: variable.name,
connector: variable.role === "DWH" ? "dwh" : "evidence",
required,
};
}
/**
* Discover the credential fields for the connector and authentication mechanisms selected by
* this installation. Paths, hostnames and trust files remain installation configuration rather
* than user-entered secrets.
*/
export function discoverWorkspaceSecretRequirements(
workspace: WorkspaceDescriptor,
env: NodeJS.ProcessEnv,
): WorkspaceSecretRequirement[] {
const descriptor = validateWorkspaceDescriptor(workspace);
const variables = buildInstallationContract(descriptor).variables;
const transport = selectedTransport(descriptor, variables, env);
const restHasNoAuthentication = transport === "rest_api" && descriptor.diagnostics?.dwh_rest?.auth === "none";
const requiredDwh = new Set(restHasNoAuthentication ? [] : REQUIRED_DWH_SECRETS[transport]);
const requirements: WorkspaceSecretRequirement[] = [];
for (const variable of variables) {
if (variable.role === "DWH") {
if (variable.transports !== undefined && !variable.transports.includes(transport)) continue;
const requirement = requirementFor(variable, requiredDwh.has(variable.suffix));
if (requirement !== undefined && requirement.required) requirements.push(requirement);
continue;
}
const requirement = requirementFor(variable, variable.suffix !== "SESSION_TOKEN_FILE");
if (requirement !== undefined) requirements.push(requirement);
}
return requirements;
}
/**
* Materialize only the selected workspace credentials, translate them to the existing file-based
* harness contract, and bind cleanup to the returned lease.
*/
export function resolveRuntimeBindingsWithWorkspaceSecrets(
workspace: WorkspaceDescriptor,
env: NodeJS.ProcessEnv,
secretRoots: readonly string[],
store: WorkspaceSecretStore,
): WorkspaceRuntimeBindingLease {
const descriptor = validateWorkspaceDescriptor(workspace);
const requirements = discoverWorkspaceSecretRequirements(descriptor, env);
let materialization: WorkspaceSecretMaterialization | undefined;
try {
materialization = store.materialize(
descriptor.workspace.id,
requirements.map(({ id }) => id),
);
const effectiveEnvironment: NodeJS.ProcessEnv = { ...env };
const materializedRoots = new Set<string>();
for (const requirement of requirements) {
const path = materialization.files.get(requirement.id);
if (path === undefined) continue;
effectiveEnvironment[requirement.variable] = path;
materializedRoots.add(dirname(path));
}
const bindings = resolveRuntimeBindings(
descriptor,
effectiveEnvironment,
[...secretRoots, ...materializedRoots],
);
let released = false;
return {
bindings,
release: () => {
if (released) return;
released = true;
materialization?.release();
},
};
} catch (error) {
materialization?.release();
throw error;
}
}
@@ -0,0 +1,138 @@
import { mkdtempSync, readFileSync, rmSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { afterEach, expect, test } from "vitest";
import {
discoverWorkspaceSecretRequirements,
resolveRuntimeBindingsWithWorkspaceSecrets,
} from "../src/workspaces/secret-requirements.js";
import { WorkspaceSecretStore } from "../src/workspaces/secret-store.js";
import { parseWorkspaceYaml } from "../src/workspaces/schema.js";
const roots: string[] = [];
function workspace(extra = "") {
return parseWorkspaceYaml(`workspace:
schema_version: 3
id: psd-clinical
name: Policlinico San Donato
language: en
dwh:
engine: postgres
database: postgres
schema: datawarehouse
supported_transports: [postgres_direct, rest_api, ssh_tunnel]
semantic_index:
vector_store: { engine: qdrant, collection: psd-clinical, dimensions: 1024, distance: cosine }
embedding: { provider: ollama_internal, model: qwen3-embedding:0.6b, dimensions: 1024 }
llm_policy: { allowed: [zai/glm-5.2] }
${extra}`);
}
function store() {
const root = mkdtempSync(join(tmpdir(), "thoth-requirement-vault-"));
const runtimeRoot = mkdtempSync(join(tmpdir(), "thoth-requirement-runtime-"));
roots.push(root, runtimeRoot);
return new WorkspaceSecretStore({ root, runtimeRoot, installationId: "test-installation" });
}
afterEach(() => {
for (const root of roots.splice(0)) rmSync(root, { recursive: true, force: true });
});
test("requirements follow the selected DWH transport", () => {
const descriptor = workspace();
const direct = discoverWorkspaceSecretRequirements(descriptor, {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "postgres_direct",
});
expect(direct.map(({ id, required }) => ({ id, required }))).toEqual([
{ id: "dwh.password", required: true },
]);
const rest = discoverWorkspaceSecretRequirements(descriptor, {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "rest_api",
});
expect(rest.map(({ id }) => id)).toEqual(["dwh.api_key"]);
const ssh = discoverWorkspaceSecretRequirements(descriptor, {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "ssh_tunnel",
});
expect(ssh.map(({ id }) => id)).toEqual(["dwh.password", "dwh.ssh_private_key"]);
});
test("REST without authentication does not request an API key", () => {
const descriptor = workspace(`diagnostics:
dwh_rest:
method: GET
path: /health
auth: none
response: { database: database, schema: schema }
`);
expect(discoverWorkspaceSecretRequirements(descriptor, {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "rest_api",
})).toEqual([]);
});
test("evidence requirements follow the descriptor authentication mechanism", () => {
const signed = workspace(`evidence:
source:
type: http
uris: [https://evidence.example.test/guide.md]
authentication: signed_urls_file
policy: { max_chunk_chars: 4000, retain_published_generations: 2 }
`);
expect(discoverWorkspaceSecretRequirements(signed, {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "postgres_direct",
}).map(({ id, required }) => ({ id, required }))).toEqual([
{ id: "dwh.password", required: true },
{ id: "evidence.signed_urls", required: true },
]);
const s3 = workspace(`evidence:
source: { type: s3, uri: s3://clinical-evidence/published/, credentials: static_files }
policy: { max_chunk_chars: 4000, retain_published_generations: 2 }
`);
expect(discoverWorkspaceSecretRequirements(s3, {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "postgres_direct",
}).map(({ id, required }) => ({ id, required }))).toEqual([
{ id: "dwh.password", required: true },
{ id: "evidence.access_key", required: true },
{ id: "evidence.secret_key", required: true },
{ id: "evidence.session_token", required: false },
]);
});
test("vault values are mapped to temporary file bindings and released", () => {
const descriptor = workspace();
const vault = store();
vault.put("psd-clinical", "dwh.password", "runtime-password");
const environment = {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "postgres_direct",
THT_WS_PSD_CLINICAL_DWH_HOST: "dwh.internal",
THT_WS_PSD_CLINICAL_DWH_PORT: "5432",
THT_WS_PSD_CLINICAL_DWH_USER: "reader",
};
const lease = resolveRuntimeBindingsWithWorkspaceSecrets(descriptor, environment, [], vault);
expect(lease.bindings.dwh.missing).toEqual([]);
const secretPath = lease.bindings.dwh.values.THT_WS_PSD_CLINICAL_DWH_PASSWORD_FILE!;
expect(readFileSync(secretPath, "utf8")).toBe("runtime-password");
lease.release();
expect(() => readFileSync(secretPath, "utf8")).toThrow();
});
test("missing vault values remain missing and materialization never mutates the source environment", () => {
const descriptor = workspace();
const vault = store();
const environment = {
THT_WS_PSD_CLINICAL_DWH_TRANSPORT: "postgres_direct",
THT_WS_PSD_CLINICAL_DWH_HOST: "dwh.internal",
THT_WS_PSD_CLINICAL_DWH_PORT: "5432",
THT_WS_PSD_CLINICAL_DWH_USER: "reader",
};
const lease = resolveRuntimeBindingsWithWorkspaceSecrets(descriptor, environment, [], vault);
expect(lease.bindings.dwh.missing).toContain("THT_WS_PSD_CLINICAL_DWH_PASSWORD_FILE");
expect(environment).not.toHaveProperty("THT_WS_PSD_CLINICAL_DWH_PASSWORD_FILE");
lease.release();
});