refactor(core): Centralize SSH Tunnel management (#9906)

Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/credentials/MySql.credentials.ts

@@ -1,4 +1,5 @@
 import type { ICredentialType, INodeProperties } from 'n8n-workflow';
+import { sshTunnelProperties } from '@utils/sshTunnel.properties';
 
 export class MySql implements ICredentialType {
 	name = 'mySql';
@@ -97,120 +98,6 @@ export class MySql implements ICredentialType {
 			type: 'string',
 			default: '',
 		},
-		{
-			displayName: 'SSH Tunnel',
-			name: 'sshTunnel',
-			type: 'boolean',
-			default: false,
-		},
-		{
-			displayName: 'SSH Authenticate with',
-			name: 'sshAuthenticateWith',
-			type: 'options',
-			default: 'password',
-			options: [
-				{
-					name: 'Password',
-					value: 'password',
-				},
-				{
-					name: 'Private Key',
-					value: 'privateKey',
-				},
-			],
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-				},
-			},
-		},
-		{
-			displayName: 'SSH Host',
-			name: 'sshHost',
-			type: 'string',
-			default: 'localhost',
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-				},
-			},
-		},
-		{
-			displayName: 'SSH Port',
-			name: 'sshPort',
-			type: 'number',
-			default: 22,
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-				},
-			},
-		},
-		{
-			displayName: 'SSH MySQL Port',
-			name: 'sshMysqlPort',
-			type: 'number',
-			default: 3306,
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-				},
-			},
-		},
-		{
-			displayName: 'SSH User',
-			name: 'sshUser',
-			type: 'string',
-			default: 'root',
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-				},
-			},
-		},
-		{
-			displayName: 'SSH Password',
-			name: 'sshPassword',
-			type: 'string',
-			typeOptions: {
-				password: true,
-			},
-			default: '',
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-					sshAuthenticateWith: ['password'],
-				},
-			},
-		},
-		{
-			displayName: 'Private Key',
-			name: 'privateKey',
-			type: 'string',
-			typeOptions: {
-				rows: 4,
-				password: true,
-			},
-			default: '',
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-					sshAuthenticateWith: ['privateKey'],
-				},
-			},
-		},
-		{
-			displayName: 'Passphrase',
-			name: 'passphrase',
-			type: 'string',
-			default: '',
-			description: 'Passphase used to create the key, if no passphase was used leave empty',
-			displayOptions: {
-				show: {
-					sshTunnel: [true],
-					sshAuthenticateWith: ['privateKey'],
-				},
-			},
-		},
+		...sshTunnelProperties,
 	];
 }