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ssh tunnel - reuse SSH connection + local port for multiple DB connections

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This commit is contained in:
Jan Prochazka
2021-02-13 07:47:55 +01:00
parent 728ca72cc1
commit 114dc0b543
15 changed files with 172 additions and 32 deletions
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47
packages/api/src/utility/connectUtility.js
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@@ -1,33 +1,36 @@
const { SSHConnection } = require('node-ssh-forward');
const portfinder = require('portfinder');
const { decryptConnection } = require('./crypting');
const { getSshTunnel } = require('./sshTunnel');
const { getSshTunnelProxy } = require('./sshTunnelProxy');
async function connectUtility(driver, storedConnection) {
let connection = decryptConnection(storedConnection);
if (connection.useSshTunnel) {
const sshConfig = {
endHost: connection.sshHost || '',
endPort: connection.sshPort || 22,
bastionHost: '',
agentForward: false,
passphrase: undefined,
username: connection.sshLogin,
password: connection.sshPassword,
skipAutoPrivateKey: true,
noReadline: true,
};
const localPort = await getSshTunnelProxy(connection);
// const sshConfig = {
// endHost: connection.sshHost || '',
// endPort: connection.sshPort || 22,
// bastionHost: '',
// agentForward: false,
// passphrase: undefined,
// username: connection.sshLogin,
// password: connection.sshPassword,
// skipAutoPrivateKey: true,
// noReadline: true,
// };
const sshConn = new SSHConnection(sshConfig);
const localPort = await portfinder.getPortPromise({ port: 10000, stopPort: 60000 });
// workaround for `getPortPromise` not releasing the port quickly enough
await new Promise(resolve => setTimeout(resolve, 500));
const tunnelConfig = {
fromPort: localPort,
toPort: connection.port,
toHost: connection.server,
};
const tunnel = await sshConn.forward(tunnelConfig);
console.log(`Created SSH tunnel to ${connection.sshHost}-${connection.server}:${connection.port}, using local port ${localPort}`)
// const sshConn = new SSHConnection(sshConfig);
// const localPort = await portfinder.getPortPromise({ port: 10000, stopPort: 60000 });
// // workaround for `getPortPromise` not releasing the port quickly enough
// await new Promise(resolve => setTimeout(resolve, 500));
// const tunnelConfig = {
// fromPort: localPort,
// toPort: connection.port,
// toHost: connection.server,
// };
// const tunnel = await sshConn.forward(tunnelConfig);
// console.log(`Created SSH tunnel to ${connection.sshHost}-${connection.server}:${connection.port}, using local port ${localPort}`)
connection = {
...connection,