kist/js/core/pipeline/PipelineManager.js

Lightweight Package Pipeline Processor with Plugin Architecture

import { spawn } from "child_process";
import path from "path";
import { AbstractProcess } from "../abstract/AbstractProcess.js";
import { ConfigStore } from "../config/ConfigStore.js";
import { Pipeline } from "./Pipeline.js";
export class PipelineManager extends AbstractProcess {
    liveServer;
    pipelineProcess = null;
    isRestarting = false;
    constructor(liveServer) {
        super();
        this.liveServer = liveServer;
        this.logInfo("PipelineManager initialized.");
    }
    async runPipeline() {
        const config = ConfigStore.getInstance().getConfig();
        if (!config.stages || !Array.isArray(config.stages)) {
            throw new Error("Invalid configuration: 'stages' must be an array.");
        }
        this.logInfo("Initializing pipeline...");
        const pipeline = new Pipeline(config);
        try {
            await pipeline.run();
            this.logInfo("Pipeline execution finished successfully.");
            this.liveServer?.reloadClients();
        }
        catch (error) {
            this.logError("Error during pipeline execution.", error);
            throw error;
        }
    }
    restartPipeline() {
        if (this.isRestarting) {
            this.logWarn("Pipeline restart already in progress. Skipping...");
            return;
        }
        this.isRestarting = true;
        if (this.pipelineProcess) {
            this.logInfo("Stopping current pipeline process...");
            this.stopPipeline();
        }
        this.logInfo("Starting pipeline...");
        const scriptPath = path.resolve(process.cwd(), "dist/js/cli.js");
        this.pipelineProcess = spawn("node", [scriptPath], {
            stdio: "inherit",
        });
        this.attachProcessListeners();
        this.isRestarting = false;
    }
    attachProcessListeners() {
        if (!this.pipelineProcess)
            return;
        this.pipelineProcess.on("close", (code) => {
            if (code !== 0) {
                this.logError(`Pipeline process exited with code ${code}`);
            }
            else {
                this.logInfo("Pipeline process exited successfully.");
            }
            this.liveServer?.reloadClients();
        });
        this.pipelineProcess.on("error", (error) => {
            this.logError("Error starting pipeline process.", error);
        });
        this.pipelineProcess.on("exit", (code, signal) => {
            if (signal) {
                this.logWarn(`Pipeline process was terminated with signal: ${signal}`);
            }
            else {
                this.logInfo(`Pipeline process exited with code: ${code}`);
            }
        });
    }
    stopPipeline() {
        if (this.pipelineProcess) {
            this.logInfo("Stopping pipeline process...");
            this.pipelineProcess.kill("SIGTERM");
            this.pipelineProcess = null;
            this.logInfo("Pipeline process stopped.");
        }
        else {
            this.logWarn("No pipeline process is currently running.");
        }
    }
    isPipelineRunning() {
        return this.pipelineProcess !== null && !this.pipelineProcess.killed;
    }
    restartPipelineWithDelay(delay = 1000) {
        this.logInfo(`Delaying pipeline restart by ${delay} milliseconds...`);
        setTimeout(() => this.restartPipeline(), delay);
    }
}
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