redash/rd_ui/app/views/data_sources/form.html

<form name="dataSourceForm" ng-submit="saveChanges()">
    <div class="form-group">
        <label for="dataSourceName">Name</label>
        <input type="string" class="form-control" name="dataSourceName" ng-model="dataSource.name" required>
    </div>
    <div class="form-group">
        <label for="type">Type</label>
        <select name="type" class="form-control" ng-options="type.type as type.name for type in dataSourceTypes" ng-model="dataSource.type"></select>
    </div>
    <div class="form-group" ng-class='{"has-error": !inner.input.$valid}' ng-form="inner" ng-repeat="(name, input) in type.configuration_schema.properties">
        <label>{{input.title || name | capitalize}}</label>
        <input name="input" type="{{input.type}}" class="form-control" ng-model="dataSource.options[name]" ng-required="input.required"
                ng-if="input.type !== 'file'" accesskey="tab" placeholder="{{input.default}}">

        <input name="input" type="file" class="form-control" ng-model="files[name]" ng-required="input.required && !dataSource.options[name]"
               base-sixty-four-input
               ng-if="input.type === 'file'">
    </div>
    <button class="btn btn-primary" ng-disabled="!dataSourceForm.$valid">Save</button>
</form>