MacOS 10.14.6 Mojave.
Node v10.15.3
LocalStack - docker image 0.10.4

When invoking a Lambda from Node.js code.


    const lambda = new Aws.Lambda(creds);
    
    const payload = {};
    
    const clientContext = {
        invokedFunctionArn: this._workerArn
    };
    
    const params = {
        FunctionName: this._workerArn,
        InvocationType: "RequestResponse", // "DryRun",
        LogType: 'Tail', // "None", "Tail"
        ClientContext: JSON.stringify(clientContext),
        Payload: JSON.stringify(payload)
    };
    
    console.log(`DEBUG: Executing lambda ${JSON.stringify(params)}`);
    
    lambda.invoke(params, function (err, data) {
        console.log(`DEBUG: Printing lambda return arguments`);
        console.log(JSON.stringify(arguments));
        console.log(data.LogResult);
    });```
DEBUG: Printing lambda return arguments
{"0":null,"1":{"StatusCode":200,"Payload":"null"}}
undefined
```

Expecting to see the Lambda execution log in `data.LogResult`, but no such object returned,
yet Localstack Cloudwatch logs recorded the execution logs correctly.


```
EVENTS	75	1570381308926.664	+51733/05/27/[$LATEST]629146bb	START RequestId: dbd86068-78c8-1a62-29ca-9c0a4a8580c3 Version: $LATEST	1570381306039
EVENTS	76	1570381308926.664	+51733/05/27/[$LATEST]629146bb	2019-10-06T17:01:47.924Z	dbd86068-78c8-1a62-29ca-9c0a4a8580c3	INFO	DEBUG: LOCALSTACK_HOSTNAME=172.17.0.1	1570381306520
...
EVENTS	79	1570381308926.664	+51733/05/27/[$LATEST]629146bb	END RequestId: dbd86068-78c8-1a62-29ca-9c0a4a8580c3	1570381307961
EVENTS	80	1570381308926.664	+51733/05/27/[$LATEST]629146bb	REPORT RequestId: dbd86068-78c8-1a62-29ca-9c0a4a8580c3	Duration: 16.05 ms	Billed Duration: 100 ms	Memory Size: 1536 MB	Max Memory Used: 57 MB		1570381308442
```

What I'm missing? Why it doesn't return logs on invoke?

Thanks



┆Issue is synchronized with this [Jira Bug](https://localstack.atlassian.net/browse/LOC-125) by [Unito](https://www.unito.io/learn-more)

for request in data['RequestItems'][table_name]:
                    for key in ['PutRequest', 'DeleteRequest']:
                        inner_request = request.get(key)
                        if inner_request:
                            existing_items.append(find_existing_item(inner_request, table_name))
            ProxyListenerDynamoDB.thread_local.existing_items = existing_items
        elif action == '%s.Query' % ACTION_PREFIX:
            if data.get('IndexName'):
                if not is_index_query_valid(to_str(data['TableName']), data.get('Select')):
                    return error_response(message='One or more parameter values were invalid: Select type '
                                                  'ALL_ATTRIBUTES is not supported for global secondary index id-index '
                                                  'because its projection type is not ALL',
                                          error_type='ValidationException', code=400)
        elif action == '%s.TransactWriteItems' % ACTION_PREFIX:
            existing_items = []
            for item in data['TransactItems']:
                for key in ['Put', 'Update', 'Delete']:
                    inner_item = item.get(key)
                    if inner_item:
                        existing_items.append(find_existing_item(inner_item))
            ProxyListenerDynamoDB.thread_local.existing_items = existing_items
        elif action == '%s.UpdateTimeToLive' % ACTION_PREFIX:
            
            response = Response()
            response.status_code = 200
            self._table_ttl_map[data['TableName']] = {
                'AttributeName': data['TimeToLiveSpecification']['AttributeName'],
                'Status': data['TimeToLiveSpecification']['Enabled']
            }
            response._content = json.dumps({'TimeToLiveSpecification': data['TimeToLiveSpecification']})