portainer/app/kubernetes/components/kubernetes-configuration-data/kubernetesConfigurationData.html

<ng-form name="kubernetesConfigurationDataCreationForm">
  <div class="col-sm-12 form-section-title" style="margin-top: 10px"> Data </div>

  <div class="form-group" ng-if="$ctrl.isCreation">
    <div class="col-sm-12">
      <p>
        <a class="small interactive vertical-center" ng-if="$ctrl.formValues.IsSimple" ng-click="$ctrl.showAdvancedMode()">
          <pr-icon icon="'list'" feather="true"></pr-icon> Advanced mode
        </a>
        <a class="small interactive vertical-center" ng-if="!$ctrl.formValues.IsSimple" ng-click="$ctrl.showSimpleMode()">
          <pr-icon icon="'edit'" feather="true"></pr-icon> Simple mode
        </a>
      </p>
    </div>
    <div class="col-sm-12 small text-muted vertical-center" ng-if="$ctrl.formValues.IsSimple">
      <pr-icon icon="'alert-circle'" mode="'primary'" feather="true" class="vertical-center"></pr-icon>
      Switch to advanced mode to copy and paste multiple key/values
    </div>
    <div class="col-sm-12 small text-muted vertical-center" ng-if="!$ctrl.formValues.IsSimple">
      <pr-icon icon="'alert-circle'" mode="'primary'" feather="true" class="vertical-center"></pr-icon>
      Generate a configuration entry per line, use YAML format
    </div>
  </div>

  <div class="form-group" ng-if="$ctrl.formValues.IsSimple">
    <div class="col-sm-12">
      <button type="button" class="btn btn-sm btn-default" style="margin-left: 0" ng-click="$ctrl.addEntry()" data-cy="k8sConfigCreate-createEntryButton">
        <pr-icon class="vertical-center" icon="'plus'" feather="true"></pr-icon> Create entry
      </button>
      <button type="button" class="btn btn-sm btn-default" ngf-select="$ctrl.addEntryFromFile($file)" style="margin-left: 0" data-cy="k8sConfigCreate-createConfigsFromFileButton">
        <pr-icon class="vertical-center" icon="'upload'" feather="true"></pr-icon> Create key/value from file
      </button>
    </div>
  </div>

  <div ng-repeat="(index, entry) in $ctrl.formValues.Data" ng-if="$ctrl.formValues.IsSimple">
    <div class="form-group">
      <label for="configuration_data_key_{{ index }}" class="col-sm-3 col-lg-2 control-label text-left">Key</label>
      <div class="col-sm-8 col-lg-9">
        <input
          type="text"
          class="form-control"
          id="configuration_data_key_{{ index }}"
          name="configuration_data_key_{{ index }}"
          ng-model="$ctrl.formValues.Data[index].Key"
          ng-disabled="entry.Used"
          required
          ng-change="$ctrl.onChangeKey(entry)"
        />
        <div
          class="small text-muted"
          style="margin-top: 5px"
          ng-show="
            kubernetesConfigurationDataCreationForm['configuration_data_key_' + index].$invalid ||
            (!entry.Used && $ctrl.state.duplicateKeys[index] !== undefined) ||
            $ctrl.state.invalidKeys[index]
          "
        >
          <ng-messages for="kubernetesConfigurationDataCreationForm['configuration_data_key_' + index].$error">
            <p ng-message="required" class="vertical-center">
              <pr-icon class="vertical-center" icon="'alert-triangle'" feather="true" mode="'warning'"></pr-icon> This field is required.
            </p>
          </ng-messages>
          <div>
            <p ng-if="$ctrl.state.duplicateKeys[index] !== undefined" class="vertical-center">
              <pr-icon class="vertical-center" icon="'alert-triangle'" feather="true" mode="'warning'" class="vertical-center"></pr-icon>This key is already defined.
            </p>
          </div>
          <p ng-if="$ctrl.state.invalidKeys[index]" class="vertical-center">
            <pr-icon class="vertical-center" icon="'alert-triangle'" feather="true" mode="'warning'" class="vertical-center"></pr-icon> This key is invalid. A valid key must
            consist of alphanumeric characters, '-', '_' or '.'
          </p>
        </div>
      </div>
      <div class="col-sm-3 col-lg-2"></div>
    </div>

    <div class="form-group" ng-if="$ctrl.formValues.IsSimple && !entry.IsBinary">
      <label for="configuration_data_value_{{ index }}" class="col-sm-3 col-lg-2 control-label text-left">Value</label>
      <div class="col-sm-8 col-lg-9">
        <textarea
          class="form-control"
          rows="5"
          id="configuration_data_value_{{ index }}"
          name="configuration_data_value_{{ index }}"
          ng-model="$ctrl.formValues.Data[index].Value"
          required
        ></textarea>
        <div class="small text-muted" style="margin-top: 5px" ng-show="kubernetesConfigurationDataCreationForm['configuration_data_value_' + index].$invalid">
          <ng-messages for="kubernetesConfigurationDataCreationForm['configuration_data_value_' + index].$error">
            <p ng-message="required" class="vertical-center"
              ><pr-icon class="vertical-center" icon="'alert-triangle'" feather="true" mode="'warning'"></pr-icon> This field is required.</p
            >
          </ng-messages>
        </div>
      </div>
    </div>

    <div class="form-group" ng-if="$ctrl.formValues.IsSimple && entry.IsBinary">
      <label for="configuration_data_value_{{ index }}" class="col-sm-3 col-lg-2 control-label text-left">Value</label>
      <div class="col-sm-8 control-label small text-muted text-left"
        >Binary data <portainer-tooltip message="'This key holds binary data and cannot be displayed.'"></portainer-tooltip
      ></div>
    </div>

    <div class="form-group" ng-if="$ctrl.formValues.IsSimple">
      <div class="col-sm-3 col-lg-2"></div>
      <div class="col-sm-8">
        <button
          type="button"
          class="btn btn-sm btn-dangerlight !ml-0"
          style="margin-left: 0"
          ng-disabled="entry.Used"
          ng-click="$ctrl.removeEntry(index, entry)"
          data-cy="k8sConfigDetail-removeEntryButton{{ index }}"
        >
          <pr-icon class="vertical-center" icon="'trash-2'" feather="true"></pr-icon> Remove entry
        </button>
        <span class="small text-muted" ng-if="entry.Used">
          <pr-icon icon="'alert-circle'" feather="true" mode="'primary'"></pr-icon>
          This key is currently used by one or more applications
        </span>
      </div>
    </div>
  </div>

  <div class="form-group" ng-if="!$ctrl.formValues.IsSimple">
    <input type="text" ng-model="$ctrl.formValues.DataYaml" required style="display: none" />
    <code-editor identifier="kubernetes-configuration-editor" value="$ctrl.formValues.DataYaml" read-only="false" yml="true" on-change="($ctrl.editorUpdate)"></code-editor>
  </div>
</ng-form>