fix(data-service): handle sshTunnelIdentityFile as array (#2539)

Author: mcasimir

packages/data-service/src/legacy/legacy-connection-model.spec.ts

@@ -232,6 +232,31 @@ describe('convertConnectionModelToInfo', function () {
     });
   });
 
+  it('converts ssh tunnel options (IDENTITY_FILE array)', async function () {
+    const { connectionOptions } = await createAndConvertModel(
+      'mongodb://localhost:27017',
+      {
+        sshTunnel: 'IDENTITY_FILE',
+        sshTunnelHostname: 'jumphost',
+        sshTunnelPort: 22,
+        sshTunnelUsername: 'root',
+        sshTunnelIdentityFile: ['myfile'],
+      }
+    );
+
+    expect(connectionOptions).to.deep.equal({
+      connectionString:
+        'mongodb://localhost:27017/' +
+        '?readPreference=primary&directConnection=true&ssl=false',
+      sshTunnel: {
+        host: 'jumphost',
+        port: 22,
+        identityKeyFile: 'myfile',
+        username: 'root',
+      },
+    });
+  });
+
   it('converts ssh tunnel options (IDENTITY_FILE) + passphrase', async function () {
     const { connectionOptions } = await createAndConvertModel(
       'mongodb://localhost:27017',

packages/data-service/src/legacy/legacy-connection-model.ts

@@ -103,7 +103,7 @@ export interface LegacyConnectionModelProperties {
   sshTunnelBindToLocalPort?: number;
   sshTunnelUsername?: string;
   sshTunnelPassword?: string;
-  sshTunnelIdentityFile?: string;
+  sshTunnelIdentityFile?: string | string[];
   sshTunnelPassphrase?: string;
 
   lastUsed?: Date;
@@ -283,7 +283,9 @@ function modelTunnelToConnectionOptions(
   }
 
   if (model.sshTunnelIdentityFile !== undefined) {
-    sshTunnel.identityKeyFile = model.sshTunnelIdentityFile;
+    sshTunnel.identityKeyFile = Array.isArray(model.sshTunnelIdentityFile)
+      ? model.sshTunnelIdentityFile[0]
+      : model.sshTunnelIdentityFile;
   }
 
   if (model.sshTunnelPassphrase !== undefined) {