Ares

Ares is the monitoring system, which provides level 1 high availability.

Introduction

• Ares manager

  There's single Ares manager, it communicates with Ares nodes, retrieves the application status, and organizes the application running.

• Ares node

  It runs on every computer, monitors bunches of applications, reports application status to Ares manager, and when there's new command from Ares manager, it runs again.

Configuration

• Ares manager

  {
    "port": "4261",
    "monitor": "5261",
    "debug": "on"
  }

  Ares manager runs the grpc service on port.

• Ares node

  • name is the node name.

  • manager is the Ares manager address.

  • apps is about the applications current Ares node supports.

    • name is the app name.
    • run is the application relative path.
    • dir is the working directory to run the app.

  {
    "port": "4262",
    "monitor": "5262",
  
    "name": "node1",
    "manager": {
        "host": "10.70.3.98",
        "port": "4261"
    },
    "apps": [
        {
            "name": "app1",
            "run": ".\\App1.exe",
            "dir": "E:\\App1\\_release"
        },
        {
            "name": "app2",
            "run": ".\\App2.exe",
            "dir": "E:\\App2\\_release"
        }
    ]
  }

Run

• Run Ares manager on server computer.
• Run Ares node on each computer, with the configuration set.
  • Ares node connects to Ares manager and registers applications information it supports.
• Run la on Ares manager to list applications the system has.
• Run ln on Ares manager to list nodes the system has.
• Run on {appName} on Ares manager to run the application on one of node pc.
• When the application started by the Ares system crashes, it makes another run automatically.