381 lines
No EOL
13 KiB
JavaScript
381 lines
No EOL
13 KiB
JavaScript
import { Readable } from 'stream';
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import { Permission, Container } from '../database/models.js';
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import { docker } from '../server.js';
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import { dockerContainerStats } from 'systeminformation';
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import { readFileSync } from 'fs';
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import { currentLoad, mem, networkStats, fsSize } from 'systeminformation';
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// The actual page
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export const Dashboard = (req, res) => {
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res.render("dashboard", {
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name: req.session.user,
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role: req.session.role,
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avatar: req.session.avatar,
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});
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}
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// Server metrics (CPU, RAM, TX, RX, DISK)
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export const Stats = async (req, res) => {
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let name = req.header('hx-trigger-name');
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let color = req.header('hx-trigger');
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let value = 0;
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switch (name) {
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case 'CPU':
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await currentLoad().then(data => {
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value = Math.round(data.currentLoad);
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});
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break;
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case 'RAM':
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await mem().then(data => {
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value = Math.round((data.active / data.total) * 100);
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});
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break;
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case 'TX':
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await networkStats().then(data => {
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value = data[0].tx_bytes / (1024 * 1024);
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});
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break;
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case 'RX':
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await networkStats().then(data => {
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value = data[0].rx_bytes / (1024 * 1024);
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});
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break;
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case 'DISK':
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await fsSize().then(data => {
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value = data[0].use;
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});
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break;
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}
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let info = `<div class="font-weight-medium">
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<label class="cpu-text mb-1">${name} ${value}%</label>
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</div>
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<div class="cpu-bar meter animate ${color}">
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<span style="width:${value}%"><span></span></span>
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</div>`;
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res.send(info);
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}
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async function containerInfo (containerName) {
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let container = docker.getContainer(containerName);
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let info = await container.inspect();
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let image = info.Config.Image.split('/');
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let ports_list = [];
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try {
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for (const [key, value] of Object.entries(info.HostConfig.PortBindings)) {
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let ports = {
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check: 'checked',
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external: value[0].HostPort,
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internal: key.split('/')[0],
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protocol: key.split('/')[1]
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}
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ports_list.push(ports);
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}
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} catch {
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// no exposed ports
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}
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let details = {
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name: containerName,
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image: image,
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service: image[image.length - 1].split(':')[0],
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state: info.State.Status,
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external_port: ports_list[0]?.external || 0,
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internal_port: ports_list[0]?.internal || 0,
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ports: ports_list,
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link: 'localhost',
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}
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return details;
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}
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async function createCard (details) {
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if (hidden.includes(details.name)) { return;}
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let shortname = details.name.slice(0, 10) + '...';
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let trigger = 'data-hx-trigger="load, every 3s"';
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let state = details.state;
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let state_color = '';
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switch (state) {
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case 'running':
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state_color = 'green';
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break;
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case 'exited':
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state = 'stopped';
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state_color = 'red';
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trigger = 'data-hx-trigger="load"';
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break;
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case 'paused':
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state_color = 'orange';
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trigger = 'data-hx-trigger="load"';
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break;
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case 'installing':
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state_color = 'blue';
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trigger = 'data-hx-trigger="load"';
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break;
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}
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// if (name.startsWith('dweebui')) { disable = 'disabled=""'; }
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let card = readFileSync('./views/partials/containerCard.html', 'utf8');
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card = card.replace(/AppName/g, details.name);
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card = card.replace(/AppShortName/g, shortname);
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card = card.replace(/AppIcon/g, details.service);
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card = card.replace(/AppState/g, state);
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card = card.replace(/StateColor/g, state_color);
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card = card.replace(/ChartName/g, details.name.replace(/-/g, ''));
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card = card.replace(/AppNameState/g, `${details.name}State`);
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card = card.replace(/data-trigger=""/, trigger);
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return card;
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}
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let [ cardList, newCards, containersArray, sentArray, updatesArray ] = [ '', '', [], [], [] ];
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let hidden = await Container.findAll({ where: {visibility:false}});
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hidden = hidden.map((container) => container.name);
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export async function addCard (name, state) {
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console.log(`Adding card for ${name}: ${state}`);
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let details = {
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name: name,
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image: name,
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service: name,
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state: 'installing',
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external_port: 0,
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internal_port: 0,
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ports: [],
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link: 'localhost',
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}
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createCard(details).then(card => {
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cardList += card;
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});
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}
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// HTMX server-side events
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export const SSE = (req, res) => {
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res.writeHead(200, { 'Content-Type': 'text/event-stream', 'Cache-Control': 'no-cache', 'Connection': 'keep-alive' });
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let eventCheck = setInterval(async () => {
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// builds array of containers and their states
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containersArray = [];
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await docker.listContainers({ all: true }).then(containers => {
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containers.forEach(container => {
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let name = container.Names[0].replace('/', '');
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if (!hidden.includes(name)) { // if not hidden
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containersArray.push({ container: name, state: container.State });
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}
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});
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});
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if ((JSON.stringify(containersArray) !== JSON.stringify(sentArray))) {
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cardList = '';
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newCards = '';
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containersArray.forEach(container => {
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const { container: containerName, state } = container;
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const existingContainer = sentArray.find(c => c.container === containerName);
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if (!existingContainer) {
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containerInfo(containerName).then(details => {
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createCard(details).then(card => {
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newCards += card;
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});
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});
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res.write(`event: update\n`);
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res.write(`data: 'update cards'\n\n`);
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} else if (existingContainer.state !== state) {
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updatesArray.push(containerName);
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}
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containerInfo(containerName).then(details => {
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createCard(details).then(card => {
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cardList += card;
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});
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});
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});
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sentArray.forEach(container => {
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const { container: containerName } = container;
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const existingContainer = containersArray.find(c => c.container === containerName);
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if (!existingContainer) {
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updatesArray.push(containerName);
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}
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});
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for (let i = 0; i < updatesArray.length; i++) {
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res.write(`event: ${updatesArray[i]}\n`);
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res.write(`data: 'update cards'\n\n`);
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}
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updatesArray = [];
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sentArray = containersArray.slice();
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}
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}, 500);
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req.on('close', () => {
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clearInterval(eventCheck);
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});
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};
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let stats = {};
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// Container charts
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export const Chart = async (req, res) => {
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let name = req.header('hx-trigger-name');
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if (!stats[name]) {
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stats[name] = { cpuArray: Array(15).fill(0), ramArray: Array(15).fill(0) };
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}
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const info = await dockerContainerStats(name);
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stats[name].cpuArray.push(Math.round(info[0].cpuPercent));
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stats[name].ramArray.push(Math.round(info[0].memPercent));
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stats[name].cpuArray = stats[name].cpuArray.slice(-15);
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stats[name].ramArray = stats[name].ramArray.slice(-15);
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let chart = `
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<script>
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${name}chart.updateSeries([{
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data: [${stats[name].cpuArray}]
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}, {
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data: [${stats[name].ramArray}]
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}])
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</script>`
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res.send(chart);
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}
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export const updateCards = async (req, res) => {
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console.log('updateCards called');
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res.send(newCards);
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newCards = '';
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}
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export const Containers = async (req, res) => {
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res.send(cardList);
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}
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export const Card = async (req, res) => {
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let name = req.header('hx-trigger-name');
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console.log(`${name} requesting updated card`);
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// return nothing if in hidden or not found in containersArray
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if (hidden.includes(name) || !containersArray.find(c => c.container === name)) {
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res.send('');
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return;
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} else {
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let details = await containerInfo(name);
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let card = await createCard(details);
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res.send(card);
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}
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}
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function status (state) {
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let status = `<span class="text-yellow align-items-center lh-1">
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<svg xmlns="http://www.w3.org/2000/svg" class="icon-tabler icon-tabler-point-filled" width="24" height="24" viewBox="0 0 24 24" stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round"> <path stroke="none" d="M0 0h24v24H0z" fill="none"></path> <path d="M12 7a5 5 0 1 1 -4.995 5.217l-.005 -.217l.005 -.217a5 5 0 0 1 4.995 -4.783z" stroke-width="0" fill="currentColor"></path></svg>
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${state}
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</span>`;
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return status;
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}
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export const Logs = (req, res) => {
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let name = req.header('hx-trigger-name');
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function containerLogs (data) {
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return new Promise((resolve, reject) => {
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let logString = '';
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var options = { follow: false, stdout: true, stderr: false, timestamps: false };
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var containerName = docker.getContainer(data);
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containerName.logs(options, function (err, stream) {
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if (err) { reject(err); return; }
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const readableStream = Readable.from(stream);
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readableStream.on('data', function (chunk) {
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logString += chunk.toString('utf8');
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});
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readableStream.on('end', function () {
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resolve(logString);
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});
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});
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});
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};
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containerLogs(name).then((data) => {
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res.send(`<pre>${data}</pre> `)
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});
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}
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export const Modals = async (req, res) => {
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let name = req.header('hx-trigger-name');
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let id = req.header('hx-trigger');
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if (id == 'permissions') {
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let modal = readFileSync('./views/modals/permissions.html', 'utf8');
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modal = modal.replace(/AppName/g, name);
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// let containerPermissions = await Permission.findAll({ where: {containerName: name}});
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res.send(modal);
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return;
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}
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if (id == 'uninstall') {
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let modal = readFileSync('./views/modals/uninstall.html', 'utf8');
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modal = modal.replace(/AppName/g, name);
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// let containerPermissions = await Permission.findAll({ where: {containerName: name}});
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res.send(modal);
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return;
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}
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let modal = readFileSync('./views/modals/details.html', 'utf8');
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let details = await containerInfo(name);
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modal = modal.replace(/AppName/g, details.name);
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modal = modal.replace(/AppImage/g, details.image);
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res.send(modal);
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}
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export const Action = async (req, res) => {
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let name = req.header('hx-trigger-name');
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let state = req.header('hx-trigger');
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let action = req.params.action;
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// Start
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if ((action == 'start') && (state == 'stopped')) {
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var containerName = docker.getContainer(name);
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containerName.start();
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res.send(status('starting'));
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} else if ((action == 'start') && (state == 'paused')) {
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var containerName = docker.getContainer(name);
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containerName.unpause();
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res.send(status('starting'));
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// Stop
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} else if ((action == 'stop') && (state != 'stopped')) {
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var containerName = docker.getContainer(name);
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containerName.stop();
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res.send(status('stopping'));
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// Pause
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} else if ((action == 'pause') && (state == 'paused')) {
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var containerName = docker.getContainer(name);
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containerName.unpause();
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res.send(status('starting'));
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} else if ((action == 'pause') && (state == 'running')) {
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var containerName = docker.getContainer(name);
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containerName.pause();
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res.send(status('pausing'));
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// Restart
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} else if (action == 'restart') {
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var containerName = docker.getContainer(name);
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containerName.restart();
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res.send(status('restarting'));
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// Hide
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} else if (action == 'hide') {
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let exists = await Container.findOne({ where: {name: name}});
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if (!exists) {
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const newContainer = await Container.create({ name: name, visibility: false, });
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} else {
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exists.update({ visibility: false });
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}
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hidden = await Container.findAll({ where: {visibility:false}});
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hidden = hidden.map((container) => container.name);
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res.send("ok");
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// Reset View
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} else if (action == 'reset') {
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await Container.update({ visibility: true }, { where: {} });
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hidden = await Container.findAll({ where: {visibility:false}});
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hidden = hidden.map((container) => container.name);
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res.send("ok");
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}
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} |