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var fs = require('fs');
var express = require('express');
var http = require('http');
var app = express();
const cors = require('cors')
const helmet = require('helmet');
var allowedOrigins = [
'http://localhost:3080',
'http://localhost:3088',
'http://localhost:8085'
];
app.use(cors({
origin: function(origin, callback){ // allow requests with no origin
// (like mobile apps or curl requests)
if(!origin)
return callback(null, true);
if(allowedOrigins.indexOf(origin) === -1){
var msg = 'The CORS policy for this site does not ';
return callback(new Error(msg), false);
}
return callback(null, true);
}
}));
app.use(
helmet({
frameguard: false,
contentSecurityPolicy: false
})
);
app.use(express.json());
var serverPort = 8085;
var server = http.createServer(app);
const { spawn, exec, execSync } = require('child_process')
var static_options = {
dotfiles: 'ignore',
etag: false,
extensions: ['html'],
index: false,
redirect: false,
setHeaders: function (res, path, stat) {
res.set('x-timestamp', Date.now())
}
}
app.use('/', express.static('client', static_options))
function myexec(res) {
var mypath = process.cwd()
var RES = new Object();
try {
var showexec = `${res}`
console.error('execi 1 ' + JSON.stringify(res));
const stdout = execSync(res, {
env: {
NODE_ENV: "production",
},
});
var datajson = stdout.toString()
//var datajson = JSON.parse(string);
RES.error = false
RES.error_msg = "ok"
RES.data = datajson;
console.error('exec ' + JSON.stringify(RES.data));
return RES
} catch (error) {
var datajson = error.toString()
return datajson
}
}
/*
* **********************************************************
* create basic wg file server
* **********************************************************
*/
async function wg_save_clientconf(res) {
/*
res.publickey
res.endpoint
res.serverip
res.bootstrapstackid
res.netmask
res.privatekey
res.allowedips
res.interfaceip
res.endpointfpath
*/
const apptest = require('express')();
const servertest = apptest.listen(0, () => {
var newport = servertest.address().port
servertest.close();
fs.mkdir(`./hybrid/connect/${res.bootstrapstackid}`, { recursive: true }, (err) => {
if (err){
var RES = new Object();
RES.error = true
RES.error_msg = "error"
RES.validator_msg = 'write error'
RES.error_statuscode = "500"
RES.data = err
return RES
}else{
var endpointfpath = `${res.serverip}:${res.endpoint}`
var peerconfig =`
[Interface]
PrivateKey = ${res.privatekey}
ListenPort = ${newport}
[Peer]
PublicKey = ${res.publickey}
Endpoint = ${endpointfpath}
AllowedIPs = ${res.allowedips}
#AllowedIPs = 10.1.0.0/24, 0.0.0.0/0, ::/0
PersistentKeepalive = 30
`
try {
fs.writeFileSync(`./hybrid/connect/${res.bootstrapstackid}/wg0.conf`, peerconfig);
var RES1 = new Object();
RES1.error = false
RES1.error_msg = "ok"
RES1.validator_msg = 'ok'
RES1.error_statuscode = "200"
RES1.data = 'created'
return RES1
} catch (error) {
var datajson = error.toString()
var RES1 = new Object();
RES1.error = true
RES1.error_msg = "error"
RES1.validator_msg = 'write error'
RES1.error_statuscode = "500"
RES1.data = datajson
return RES1
}
}
});
})
}
/*
* **********************************************************
* create basic ifup linux
* **********************************************************
*/
async function wg_save_ifup_linux(res) {
var mypath = process.cwd()
var DEV_NAME = res.dev_name
var INTERFACE_IP = res.INTERFACE_IP
var INTERFACE_IProute = res.INTERFACE_IProute
/*
res.publickey
res.endpoint
res.serverip
res.bootstrapstackid
res.netmask
res.privatekey
res.allowedips
res.interfaceip
res.endpointfpath
*/
try {
const myExec = `
ip link set ${DEV_NAME} down
ip link del ${DEV_NAME}
sleep 1
ip link add ${DEV_NAME} type wireguard
wg setconf ${DEV_NAME} /settingsclient/wg0.conf
sleep 1
ip addr add ${INTERFACE_IP} dev ${DEV_NAME}
sysctl -w net.ipv4.conf.all.rp_filter=2
ip link set mtu 1420 up dev ${DEV_NAME}
ip link set up dev ${DEV_NAME}
ip route add default via ${INTERFACE_IProute} metric 2 table 200
ip route show table 200 | grep -w ${INTERFACE_IProute}
ip rule add table main suppress_prefixlength 0
`
fs.writeFileSync(`./hybrid/connect/${res.bootstrapstackid}/ifup_linux`, myExec);
const myExec1 = `
ip link set ${DEV_NAME} down
ip link del ${DEV_NAME}
`
fs.writeFileSync(`./hybrid/connect/${res.bootstrapstackid}/ifdown_linux`, myExec1);
return 'ok'
} catch (error) {
var datajson = error.toString()
return datajson
}
}
/*
* **********************************************************
* create basic run docker
* **********************************************************
*/
async function wg_save_connect_linux(res) {
var mypath = process.cwd()
var DEV_NAME = res.dev_name
var INTERFACE_IP = res.INTERFACE_IP
var INTERFACE_IProute = res.INTERFACE_IProute
/*
res.publickey
res.endpoint
res.serverip
res.bootstrapstackid
res.netmask
res.privatekey
res.allowedips
res.interfaceip
res.endpointfpath
*/
try {
const myExec = `
docker exec -it swarmlabwg-${res.bootstrapstackid} /bin/bash -c "ip link set ${DEV_NAME} down; ip link del ${DEV_NAME}"
sleep 1
docker stop swarmlabwg-${res.bootstrapstackid}; docker container rm swarmlabwg-${res.bootstrapstackid}
sleep 1
docker pull hub.swarmlab.io:5480/venusclient:latest
sleep 1
docker run -d \
--net=host \
--name=swarmlabwg-${res.bootstrapstackid} \
--cap-add=NET_ADMIN \
--cap-add=SYS_MODULE \
-e PUID=1000 \
-e PGID=1000 \
-e TZ=Europe/Athens \
-v ${mypath}/hybrid/connect/${res.bootstrapstackid}:/settingsclient \
-v /lib/modules:/lib/modules \
--restart unless-stopped \
hub.swarmlab.io:5480/venus-alpine:latest
`
//-p 51820:51820/udp \
//docker exec -it swarmlabwg /bin/bash -c "pm2-runtime start /app/swarmlab-venus/client_ecosystem.config.js"
//hub.swarmlab.io:5480/venusclient:latest
fs.writeFileSync(`./hybrid/connect/${res.bootstrapstackid}/swarmlabwg`, myExec);
fs.writeFileSync(`./hybrid/connect/${res.bootstrapstackid}/swarmlabstatus`, 'wgstatusclient=off');
const myExec1 = `
docker exec -it swarmlabwg-${res.bootstrapstackid} /bin/bash -c "ip link set ${DEV_NAME} down; ip link del ${DEV_NAME}"
sleep 1
docker stop swarmlabwg-${res.bootstrapstackid}; docker container rm swarmlabwg-${res.bootstrapstackid}
sleep 1
`
fs.writeFileSync(`./hybrid/connect/${res.bootstrapstackid}/swarmlabwgdown`, myExec1);
return 'ok'
} catch (error) {
var datajson = error.toString()
return datajson
}
}
app.post('/hybrid_join_start', (req, res, next) => {
var RES = new Object();
RES.publickey = req.body["publickey"]
RES.endpoint = req.body["endpointport"]
RES.serverip = req.body["serverip"]
RES.bootstrapstackid = req.body["bootstrapstackid"]
RES.netmask = req.body["netmask"]
RES.privatekey = req.body["privatekey"]
RES.allowedips = req.body["allowedips"]
RES.interfaceip = req.body["peer_ip"]
RES.endpointfpath = `${RES.serverip}:${RES.endpoint}`
RES.dev_name = `swlab${RES.bootstrapstackid.slice(0, 10)}`
console.log(RES.dev_name)
RES.INTERFACE_IP = `${RES.interfaceip}/${RES.netmask}`
RES.INTERFACE_IProute = `${RES.interfaceip}`
try {
// *****************************************
// *** save wg config file wg0.conf
// *****************************************
(async() => {
RES.serverconf = await wg_save_clientconf(RES)
RES.serverrun = await wg_save_ifup_linux(RES)
RES.serverconnect = await wg_save_connect_linux(RES)
})()
// *****************************************
// *** save wg ifup linux
// *****************************************
RES.error = false
RES.error_msg = "ok"
RES.action = "ok"
console.error('socket get from client' + JSON.stringify(RES))
res.json(RES)
} catch (error) {
var datajson = error.toString()
RES.error = true
RES.error_msg = datajson
RES.action = "no"
res.json(RES)
}
});
app.post('/hybrid_join_connect', (req, res, next) => {
var RES = new Object();
RES.action = req.body["action"]
RES.bootstrapstackid = req.body["bootstrapstackid"]
try {
if(RES.action == "connect"){
fs.writeFileSync(`./hybrid/connect/${RES.bootstrapstackid}/swarmlabstatus`, 'wgstatusclient=on');
var showexecrm = `/bin/sh ./hybrid/connect/${RES.bootstrapstackid}/swarmlabwg`
execSync(showexecrm);
var showexec = `docker ps --format '{"ID":"{{ .ID }}", "Image": "{{ .Image }}", "Names":"{{ .Names }}", "Ports":"{{.Ports}}", "Networks":"{{.Networks}}", "Status":"{{.Status}}","RunningFor":"{{.RunningFor}}","CreatedAt":"{{.CreatedAt}}"}' | jq . -s `
exec(showexec, (err, stdout, stderr) => {
if (err) {
console.error(`exec error: ${err}`);
return;
}
var nn = []
var string = stdout.toString()
var datajson = JSON.parse(string);
var results = []
var filter = `swarmlabwg-${RES.bootstrapstackid}`
var grep = new RegExp(filter);
var datalenth = datajson.length
for (var i=0 ; i < datalenth ; i++)
{
if(grep.test(datajson[i]['Names'])){
results.push(datajson[i]);
}
}
RES.debug = datajson
if(results){
RES.error = false
RES.error_msg = "ok"
RES.action = "execok"
console.error('socket get from client ' + JSON.stringify(RES))
res.json(RES)
}else{
RES.error = false
RES.error_msg = "ok"
RES.action = "execno"
console.error('socket get from client ' + JSON.stringify(RES))
res.json(RES)
}
});
}else if( RES.action == "disconnect" ){
fs.writeFileSync(`./hybrid/connect/${RES.bootstrapstackid}/swarmlabstatus`, 'wgstatusclient=off');
var showexecrm1 = `/bin/sh ./hybrid/connect/${RES.bootstrapstackid}/swarmlabwgdown`
execSync(showexecrm1);
var showexec = `docker ps --format '{"ID":"{{ .ID }}", "Image": "{{ .Image }}", "Names":"{{ .Names }}", "Ports":"{{.Ports}}", "Networks":"{{.Networks}}", "Status":"{{.Status}}","RunningFor":"{{.RunningFor}}","CreatedAt":"{{.CreatedAt}}"}' | jq . -s `
exec(showexec, (err, stdout, stderr) => {
if (err) {
console.error(`exec error: ${err}`);
return;
}
var nn = []
var string = stdout.toString()
var datajson = JSON.parse(string);
var results = []
var filter = `swarmlabwg-${RES.bootstrapstackid}`
var grep = new RegExp(filter);
var datalenth = datajson.length
for (var i=0 ; i < datalenth ; i++)
{
if(grep.test(datajson[i]['Names'])){
results.push(datajson[i]);
}
}
RES.debug = datajson
if(results){
RES.error = false
RES.error_msg = "ok"
RES.action = "execok"
console.error('socket get from client ' + JSON.stringify(RES))
res.json(RES)
}else{
RES.error = false
RES.error_msg = "ok"
RES.action = "execno"
console.error('socket get from client ' + JSON.stringify(RES))
res.json(RES)
}
});
}
} catch (error) {
var datajson = error.toString()
RES.error = true
RES.error_msg = datajson
RES.action = "no"
res.json(RES)
}
});
app.get('/getserviceshybridstatus', (req, res, next) => {
var RES = new Object();
RES.bootstrapnameid = req.query["bootstrapnameid"]
// swarmlab name swarmlabwg
RES.bootstrapstackname = req.query["bootstrapstackname"]
var showexec = `docker ps --format '{"Names":"{{ .Names }}", "Status":"{{.Status}}"}' | jq . -s `
exec(showexec, (err, stdout, stderr) => {
if (err) {
console.error(`exec error: ${err}`);
return;
}
if (stdout) {
var string = stdout.toString()
var datajson = JSON.parse(string);
var search = RES.bootstrapstackname
var extenderror = new RegExp(search);
var found = 'no';
for(var i = 0; i < datajson.length; i++) {
var servicename = datajson[i].Names
//console.log(JSON.stringify(search+' '+servicename))
if(extenderror.test(servicename)){
found = 'yes';
}
}
RES.error = false
RES.error_msg = "ok"
RES.test = datajson;
RES.data = found;
res.json(RES)
}else{
var found = 'no'
RES.error = false
RES.error_msg = "ok"
RES.data = found;
res.json(RES)
}
});
});
server.listen(serverPort, function() {
console.log('server up and running at %s port', serverPort);
});