refactor(core): Show deprecation warning if task runners are disabled (#13189)

This commit is contained in:
Iván Ovejero 2025-02-13 11:30:50 +01:00 committed by GitHub
parent 0c6eb6eaef
commit 4f8dd3d7a8
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
2 changed files with 55 additions and 24 deletions

View file

@ -3,13 +3,13 @@ import { mockLogger } from '@test/mocking';
import { DeprecationService } from '../deprecation.service';
describe('DeprecationService', () => {
const toTest = (envVar: string, value: string, inUse: boolean) => {
const toTest = (envVar: string, value: string, mustWarn: boolean) => {
process.env[envVar] = value;
const deprecationService = new DeprecationService(mockLogger());
deprecationService.warn();
expect(deprecationService.isInUse(envVar)).toBe(inUse);
expect(deprecationService.mustWarn(envVar)).toBe(mustWarn);
};
test.each([
@ -18,16 +18,16 @@ describe('DeprecationService', () => {
['EXECUTIONS_DATA_PRUNE_TIMEOUT', '1', true],
['N8N_CONFIG_FILES', '1', true],
['N8N_SKIP_WEBHOOK_DEREGISTRATION_SHUTDOWN', '1', true],
])('should detect when %s is in use', (envVar, value, inUse) => {
toTest(envVar, value, inUse);
])('should detect when %s is in use', (envVar, value, mustWarn) => {
toTest(envVar, value, mustWarn);
});
test.each([
['default', true],
['filesystem', false],
['s3', false],
])('should handle N8N_BINARY_DATA_MODE as %s', (mode, inUse) => {
toTest('N8N_BINARY_DATA_MODE', mode, inUse);
])('should handle N8N_BINARY_DATA_MODE as %s', (mode, mustWarn) => {
toTest('N8N_BINARY_DATA_MODE', mode, mustWarn);
});
test.each([
@ -35,7 +35,28 @@ describe('DeprecationService', () => {
['postgresdb', false],
['mysqldb', true],
['mariadb', true],
])('should handle DB_TYPE as %s', (dbType, inUse) => {
toTest('DB_TYPE', dbType, inUse);
])('should handle DB_TYPE as %s', (dbType, mustWarn) => {
toTest('DB_TYPE', dbType, mustWarn);
});
describe('N8N_RUNNERS_ENABLED', () => {
const envVar = 'N8N_RUNNERS_ENABLED';
test.each([
['false', true],
['', true],
['true', false],
[undefined /* warnIfMissing */, true],
])('should handle value: %s', (value, mustWarn) => {
if (value === undefined) {
delete process.env[envVar];
} else {
process.env[envVar] = value;
}
const deprecationService = new DeprecationService(mockLogger());
deprecationService.warn();
expect(deprecationService.mustWarn(envVar)).toBe(mustWarn);
});
});
});

View file

@ -12,12 +12,15 @@ type Deprecation = {
message: string;
/** Function to identify the specific value in the env var that is deprecated. */
checkValue?: (value: string) => boolean;
checkValue?: (value?: string) => boolean;
/** Whether to show a deprecation warning if the env var is missing. */
warnIfMissing?: boolean;
};
const SAFE_TO_REMOVE = 'Remove this environment variable; it is no longer needed.';
/** Responsible for warning about use of deprecated env vars. */
/** Responsible for warning about deprecations related to env vars. */
@Service()
export class DeprecationService {
private readonly deprecations: Deprecation[] = [
@ -39,10 +42,17 @@ export class DeprecationService {
envVar: 'N8N_SKIP_WEBHOOK_DEREGISTRATION_SHUTDOWN',
message: `n8n no longer deregisters webhooks at startup and shutdown. ${SAFE_TO_REMOVE}`,
},
{
envVar: 'N8N_RUNNERS_ENABLED',
message:
'Running n8n without task runners is deprecated. Task runners will be turned on by default in a future version. Please set `N8N_RUNNERS_ENABLED=true` to enable task runners now and avoid potential issues in the future. Learn more: https://docs.n8n.io/hosting/configuration/task-runners/',
checkValue: (value?: string) => value?.toLowerCase() !== 'true' && value !== '1',
warnIfMissing: true,
},
];
/** Runtime state of deprecated env vars. */
private readonly state: Record<EnvVarName, { inUse: boolean }> = {};
/** Runtime state of deprecation-related env vars. */
private readonly state: Record<EnvVarName, { mustWarn: boolean }> = {};
constructor(private readonly logger: Logger) {}
@ -50,14 +60,14 @@ export class DeprecationService {
this.deprecations.forEach((d) => {
const envValue = process.env[d.envVar];
this.state[d.envVar] = {
inUse: d.checkValue
? envValue !== undefined && d.checkValue(envValue)
: envValue !== undefined,
mustWarn:
(d.warnIfMissing !== undefined && envValue === undefined) ||
(d.checkValue ? d.checkValue(envValue) : envValue !== undefined),
};
});
const inUse = Object.entries(this.state)
.filter(([, d]) => d.inUse)
const mustWarn = Object.entries(this.state)
.filter(([, d]) => d.mustWarn)
.map(([envVar]) => {
const deprecation = this.deprecations.find((d) => d.envVar === envVar);
if (!deprecation) {
@ -66,19 +76,19 @@ export class DeprecationService {
return deprecation;
});
if (inUse.length === 0) return;
if (mustWarn.length === 0) return;
const header = `The following environment variable${
inUse.length === 1 ? ' is' : 's are'
} deprecated and will be removed in an upcoming version of n8n. Please take the recommended actions to update your configuration`;
const deprecations = inUse
const header = `There ${
mustWarn.length === 1 ? 'is a deprecation' : 'are deprecations'
} related to your environment variables. Please take the recommended actions to update your configuration`;
const deprecations = mustWarn
.map(({ envVar, message }) => ` - ${envVar} -> ${message}\n`)
.join('');
this.logger.warn(`\n${header}:\n${deprecations}`);
}
isInUse(envVar: string) {
return this.state[envVar]?.inUse ?? false;
mustWarn(envVar: string) {
return this.state[envVar]?.mustWarn ?? false;
}
}