instancehandler/template/modal/instance_create.html

<div class="modal" id="modal_new_instance" xmlns="http://www.w3.org/1999/html">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">×</span></button>
                <h4 class="modal-title">New Instance</h4>
            </div>
            <form id="formCreateNS" action='{% url "projects:instances:create"  project_id=project_id %}'
                  class="form-horizontal"
                  method="post" enctype="multipart/form-data">
                {% csrf_token %}
                <div class="modal-body" id="modal_new_instance_body">
                    <div class="form-group">
                        <label for="nsName" class="col-sm-3 control-label">Name *</label>
                        <div class="col-sm-6">
                            <input class="form-control" id="nsName" name="nsName"
                                   placeholder="Ns name" required>
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="nsDescription" class="col-sm-3 control-label">Description</label>
                        <div class="col-sm-6">
                            <input class="form-control" id="nsDescription" name="nsDescription"
                                   placeholder="Description">
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="nsdId" class="col-sm-3 control-label">Nsd Id *</label>
                        <div class="col-sm-6">
                            <input class="form-control" id="nsdId" name="nsdId"
                                   placeholder="Nsd Id">
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="vimAccountId" class="col-sm-3 control-label">Vim Account Id *</label>
                        <div class="col-sm-6">
                            <select id="vimAccountId" class="js-example-basic form-control" name="vimAccountId">
                            </select>
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="ssh_key" class="col-sm-3 control-label">SSH Key </label>
                        <div class="col-sm-6">
                            <textarea class="form-control" id="ssh_key" name="ssh_key"
                                      placeholder="Paste your key here..." rows="4"></textarea>
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="config" class="col-sm-3 control-label">Config </label>
                        <div class="col-sm-6">
                            <textarea class="form-control" id="config" name="config" placeholder="Yaml config"
                                      rows="4"></textarea>
                        </div>
                    </div>

                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default pull-left" data-dismiss="modal">Cancel</button>
                    <button class="btn btn-primary"
                            data-loading-text="<i class='fa fa-circle-o-notch fa-spin'></i> Creating..."
                            id="create_new_instance">Create
                    </button>

                </div>
            </form>
        </div>
        <!-- /.modal-content -->
    </div>
    <!-- /.modal-dialog -->
</div>