import Head from 'next/head'
import Link from 'next/link'
import styles from '/styles/Home.module.css'
import fsPromises from 'fs/promises'
import path, { resolve } from 'path'
import type { CustomLink, LinkList } from '../interfaces/LinkTypes'
import Dockerode from 'dockerode';
function Services(props: LinkList) {
const serviceList = props.services
return (
<>
Neshura Servers
Service List
Lists all available Services, most likely up-to-date
)
}
// Gets a List of all services specified in /public/pages.json
export async function getServerSideProps() {
const filePath = path.join(process.cwd(), '/public/pages.json')
// TODO: look into asyncing this API call
const jsonData = await fsPromises.readFile(filePath)
const list = JSON.parse(jsonData.toString())
for (let index = 0; index < list.services.length; index++) {
// TODO: look into asyncing this as well
await status(list.services[index]);
}
return { props: list }
}
// reversing this to loop over given entries for every found container would probably improve latency
async function status(entry: CustomLink) {
// for now only the BRR7-4800U can be used with Docker, needs changing once more Servers are used
// TODO: support multiple locations for docker
if (entry.location === "brr7-4800u") {
// app in this context means any non-docker page
if (entry.type === "app") {
let data = new Response();
try {
await fetch(entry.href).then((response: Response) => data = response);
}
catch (e) {
console.log(e)
return (entry.status = "Offline");
}
if (data.ok) {
if (data.status == 200 || data.status == 301 || data.status == 302) {
return (entry.status = "Online");
}
else return (entry.status = "Offline");
}
else return (entry.status = "Offline");
}
else if (entry.type === "docker") {
var Docker = require('dockerode');
// TODO: read these paths from some config instead of hardcoding them
const options = {
socketPath: '/var/run/docker.sock',
path: '/v1.41/containers/json'
};
var docker = new Docker({ socketPath: options.socketPath });
// default is set as Offline, prevents uncaught cases without set status
entry.status = "Offline";
// TODO: async possible?
await docker.listContainers({all: true}).then(
((containers: Dockerode.ContainerInfo[]) => {
// Loop over every found container and compare to the entry provided
containers.forEach((element: Dockerode.ContainerInfo) => {
element.Names.forEach((containerName: string) => {
if (containerName.startsWith("/")) {
containerName = containerName.substring(1);
}
if (containerName === entry.docker_container_name) {
entry.status = "Online";
}
});
if (entry.docker_container_name == null) {
console.log("MISSING DOCKER CONTAINER NAME FOR " + entry.name);
entry.status = "ERROR";
}
});
})
);
}
else { entry.status = "ERROR" }
return;
}
// for non-local locations pinging can be used to see if they're up
else if (entry.location != "") {
let data: Response;
try {
data = await fetch(entry.href);
}
catch (e) {
console.log(e)
return (entry.status = "Offline");
}
if (data.ok) {
if (data.status == 200 || data.status == 301 || data.status == 302) {
return (entry.status = "Online");
}
else return (entry.status = "Offline");
}
else return (entry.status = "Offline");
}
else { return (entry.status = "ERROR") }
}
export default Services