ui/server/proxies/api.js

84 lines
2.0 KiB
JavaScript

module.exports = function(app, options) {
var path = require('path');
var ForeverAgent = require('forever-agent');
var HttpProxy = require('http-proxy');
var httpServer = options.httpServer;
var config = require('../../config/environment')().APP;
var proxy = HttpProxy.createProxyServer({
ws: true,
xfwd: false,
target: config.apiServer,
secure: false,
});
proxy.on('error', onProxyError);
// WebSocket for Rancher
httpServer.on('upgrade', function proxyWsRequest(req, socket, head) {
proxyLog('WS', req);
if ( socket.ssl ) {
req.headers['X-Forwarded-Proto'] = 'https';
}
proxy.ws(req, socket, head);
});
let map = {
'API': config.apiEndpoint,
'Cluster': config.clusterEndpoint,
'AuthN': config.authenticationEndpoint,
'AuthZ': config.authorizationEndpoint,
'Catalog': config.catalogEndpoint,
// 'Beta API': config.betaApiEndpoint,
// 'Legacy API': config.legacyApiEndpoint,
'K8s': config.kubernetesBase,
'Magic': config.magicEndpoint,
'Telemetry': config.telemetryEndpoint,
'WebHook': config.webhookEndpoint,
'Meta': '/meta',
'Swagger': '/swaggerapi',
'Version': '/version',
}
console.log('Proxying APIs to', config.apiServer);
Object.keys(map).forEach(function(label) {
let base = map[label];
app.use(base, function(req, res, next) {
// include root path in proxied request
req.url = path.join(base, req.url);
req.headers['X-Forwarded-Proto'] = req.protocol;
proxyLog(label, req);
proxy.web(req, res);
});
});
}
function onProxyError(err, req, res) {
console.log('Proxy Error on '+ req.method + ' to', req.url, err);
var error = {
type: 'error',
status: 500,
code: 'ProxyError',
message: 'Error connecting to proxy',
detail: err.toString()
}
if ( req.upgrade )
{
res.end();
}
else
{
res.writeHead(500, {'Content-Type': 'application/json'});
res.end(JSON.stringify(error));
}
}
function proxyLog(label, req) {
console.log('['+ label+ ']', req.method, req.url);
}