n8n
Version:
n8n Workflow Automation Tool
87 lines • 4.52 kB
JavaScript
;
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
var PyTaskRunnerProcess_1;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PyTaskRunnerProcess = void 0;
const backend_common_1 = require("@n8n/backend-common");
const config_1 = require("@n8n/config");
const di_1 = require("@n8n/di");
const node_child_process_1 = require("node:child_process");
const promises_1 = require("node:fs/promises");
const node_path_1 = __importDefault(require("node:path"));
const node_util_1 = require("node:util");
const task_broker_auth_service_1 = require("./task-broker/auth/task-broker-auth.service");
const task_runner_lifecycle_events_1 = require("./task-runner-lifecycle-events");
const task_runner_process_base_1 = require("./task-runner-process-base");
const asyncExec = (0, node_util_1.promisify)(node_child_process_1.exec);
let PyTaskRunnerProcess = PyTaskRunnerProcess_1 = class PyTaskRunnerProcess extends task_runner_process_base_1.TaskRunnerProcessBase {
constructor(logger, runnerConfig, authService, runnerLifecycleEvents) {
super(logger, runnerConfig, authService, runnerLifecycleEvents);
this.logger = logger;
this.runnerConfig = runnerConfig;
this.authService = authService;
this.runnerLifecycleEvents = runnerLifecycleEvents;
this.name = 'runner:py';
this.loggerScope = 'task-runner-py';
}
async startProcess(grantToken, taskBrokerUri) {
const pythonDir = node_path_1.default.join(__dirname, '../../../@n8n/task-runner-python');
const venvPath = PyTaskRunnerProcess_1.getVenvPath();
return (0, node_child_process_1.spawn)(venvPath, ['-m', 'src.main'], {
cwd: pythonDir,
env: {
PATH: process.env.PATH,
HOME: process.env.HOME,
N8N_RUNNERS_GRANT_TOKEN: grantToken,
N8N_RUNNERS_TASK_BROKER_URI: taskBrokerUri,
N8N_RUNNERS_MAX_PAYLOAD: this.runnerConfig.maxPayload.toString(),
N8N_RUNNERS_MAX_CONCURRENCY: this.runnerConfig.maxConcurrency.toString(),
N8N_RUNNERS_TASK_TIMEOUT: this.runnerConfig.taskTimeout.toString(),
N8N_RUNNERS_HEARTBEAT_INTERVAL: this.runnerConfig.heartbeatInterval.toString(),
N8N_RUNNERS_STDLIB_ALLOW: process.env.N8N_RUNNERS_STDLIB_ALLOW,
N8N_RUNNERS_EXTERNAL_ALLOW: process.env.N8N_RUNNERS_EXTERNAL_ALLOW,
N8N_RUNNERS_BUILTINS_DENY: process.env.N8N_RUNNERS_BUILTINS_DENY,
N8N_BLOCK_RUNNER_ENV_ACCESS: process.env.N8N_BLOCK_RUNNER_ENV_ACCESS,
},
});
}
static async checkRequirements() {
try {
await asyncExec('python3 --version', { timeout: 5000 });
}
catch {
return 'python';
}
try {
await (0, promises_1.access)(PyTaskRunnerProcess_1.getVenvPath());
}
catch {
return 'venv';
}
return null;
}
static getVenvPath() {
const pythonDir = node_path_1.default.join(__dirname, '../../../@n8n/task-runner-python');
return node_path_1.default.join(pythonDir, '.venv/bin/python');
}
};
exports.PyTaskRunnerProcess = PyTaskRunnerProcess;
exports.PyTaskRunnerProcess = PyTaskRunnerProcess = PyTaskRunnerProcess_1 = __decorate([
(0, di_1.Service)(),
__metadata("design:paramtypes", [backend_common_1.Logger,
config_1.TaskRunnersConfig,
task_broker_auth_service_1.TaskBrokerAuthService,
task_runner_lifecycle_events_1.TaskRunnerLifecycleEvents])
], PyTaskRunnerProcess);
//# sourceMappingURL=task-runner-process-py.js.map