[ML] Add checkbox to enable model plot in Advanced job wizard

x-pack/plugins/ml/public/jobs/new_job/advanced/_advanced.scss

@@ -1,6 +1,10 @@
 .ml-new-job {
   display: block;
 }
+// Required to prevent overflow of flex item in IE11
+.ml-new-job-callout {
+  width: 100%;
+}
 
 // SASSTODO: Proper calcs. This looks too brittle to touch quickly
 .detector {

x-pack/plugins/ml/public/jobs/new_job/advanced/detectors_list_directive.js

@@ -31,6 +31,7 @@ module.directive('mlJobDetectorsList', function ($modal) {
       fields: '=mlFields',
       catFieldNameSelected: '=mlCatFieldNameSelected',
       editMode: '=mlEditMode',
+      onUpdate: '=mlOnDetectorsUpdate'
     },
     template,
     controller: function ($scope) {
@@ -42,11 +43,14 @@ module.directive('mlJobDetectorsList', function ($modal) {
           } else {
             $scope.detectors.push(dtr);
           }
+
+          $scope.onUpdate();
         }
       };
 
       $scope.removeDetector = function (index) {
         $scope.detectors.splice(index, 1);
+        $scope.onUpdate();
       };
 
       $scope.editDetector = function (index) {

x-pack/plugins/ml/public/jobs/new_job/advanced/enable_model_plot_callout/enable_model_plot_callout.test.js

@@ -0,0 +1,22 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import React from 'react';
+import { mount } from 'enzyme';
+import { EnableModelPlotCallout } from './enable_model_plot_callout_view.js';
+
+const message = 'Test message';
+
+describe('EnableModelPlotCallout', () => {
+
+  test('Callout is rendered correctly with message', () => {
+    const wrapper = mount(<EnableModelPlotCallout message={message} />);
+    const calloutText = wrapper.find('EuiText');
+
+    expect(calloutText.text()).toBe(message);
+  });
+
+});

x-pack/plugins/ml/public/jobs/new_job/advanced/enable_model_plot_callout/enable_model_plot_callout_directive.js

@@ -0,0 +1,22 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+
+
+import 'ngreact';
+
+import { uiModules } from 'ui/modules';
+const module = uiModules.get('apps/ml', ['react']);
+
+import { EnableModelPlotCallout } from './enable_model_plot_callout_view.js';
+
+module.directive('mlEnableModelPlotCallout', function (reactDirective) {
+  return reactDirective(
+    EnableModelPlotCallout,
+    undefined,
+    { restrict: 'E' }
+  );
+});

x-pack/plugins/ml/public/jobs/new_job/advanced/enable_model_plot_callout/enable_model_plot_callout_view.js

@@ -0,0 +1,39 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+
+
+import PropTypes from 'prop-types';
+import React, { Fragment } from 'react';
+
+import {
+  EuiCallOut,
+  EuiFlexGroup,
+  EuiFlexItem,
+} from '@elastic/eui';
+
+
+export const EnableModelPlotCallout = ({ message }) => (
+  <Fragment>
+    <EuiFlexGroup direction="column">
+      <EuiFlexItem grow={false}>
+        <EuiCallOut
+          title={'Proceed with caution!'}
+          color="warning"
+          iconType="help"
+        >
+          <p>
+            {message}
+          </p>
+        </EuiCallOut>
+      </EuiFlexItem>
+    </EuiFlexGroup>
+  </Fragment>
+);
+
+EnableModelPlotCallout.propTypes = {
+  message: PropTypes.string.isRequired,
+};

x-pack/plugins/ml/public/jobs/new_job/advanced/enable_model_plot_callout/index.js

@@ -0,0 +1,8 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+
+import './enable_model_plot_callout_directive.js';

x-pack/plugins/ml/public/jobs/new_job/advanced/index.js

@@ -12,3 +12,4 @@ import './save_status_modal';
 import './field_select_directive';
 import 'plugins/ml/components/job_group_select';
 import 'plugins/ml/jobs/components/job_timepicker_modal';
+import './enable_model_plot_callout';

x-pack/plugins/ml/public/jobs/new_job/advanced/new_job.html

@@ -238,6 +238,7 @@ <h3 class="euiTitle euiTitle--large">{{ui.pageTitle}}</h3>
               ml-fields="fields"
               ml-cat-field-name-selected="(job.analysis_config.categorization_field_name?true:false)"
               ml-edit-mode="'NEW'"
+              ml-on-detectors-update="onDetectorsUpdate"
               ></div>
             <div ng-hide="ui.validation.tabs[1].checks.detectors.valid" class="validation-error">
               {{ ( ui.validation.tabs[1].checks.detectors.message || "At least one detector should be configured" ) }}
@@ -275,6 +276,33 @@ <h3 class="euiTitle euiTitle--large">{{ui.pageTitle}}</h3>
             <div ng-hide="ui.validation.tabs[1].checks.influencers.valid" class="validation-error">
               {{ ( ui.validation.tabs[1].checks.influencers.message || "At least one influencer should be selected" ) }}
             </div>
+
+            <hr class="euiHorizontalRule euiHorizontalRule--full euiHorizontalRule--marginMedium">
+
+            <div class="form-group">
+              <label class='kuiCheckBoxLabel kuiVerticalRhythm'>
+                <input
+                  type="checkbox"
+                  aria-labelledby="ml_aria_label_new_job_enable_model_plot"
+                  aria-describedby="ml_aria_description_new_job_enable_model_plot"
+                  class='kuiCheckBox'
+                  ng-change="setModelPlotEnabled()"
+                  ng-model="ui.enableModelPlot" />
+                <span class='kuiCheckBoxLabel__text'>
+                  <span id="ml_aria_label_new_job_enable_model_plot">
+                    {{ ui.cardinalityValidator.status === ui.cardinalityValidator.STATUS.RUNNING ? 'Validating cardinality...' : 'Enable model plot' }}
+                  </span>
+                  <i ml-info-icon="new_job_enable_model_plot" />
+                </span>
+              </label>
+              <div class='ml-new-job-callout kuiVerticalRhythm'>
+                <ml-enable-model-plot-callout
+                  message='ui.cardinalityValidator.message'
+                  ng-show="ui.cardinalityValidator.status === ui.cardinalityValidator.STATUS.WARNING ||
+                    ui.cardinalityValidator.status === ui.cardinalityValidator.STATUS.FAILED">
+                </ml-enable-model-plot-callout>
+              </div>
+            </div>
           </div>
         </ml-job-tab-1>
 

x-pack/plugins/ml/public/jobs/new_job/advanced/new_job_controller.js

@@ -18,7 +18,12 @@ import { checkFullLicense } from 'plugins/ml/license/check_license';
 import { checkCreateJobsPrivilege } from 'plugins/ml/privilege/check_privilege';
 import template from './new_job.html';
 import saveStatusTemplate from 'plugins/ml/jobs/new_job/advanced/save_status_modal/save_status_modal.html';
-import { createSearchItems, createJobForSaving } from 'plugins/ml/jobs/new_job/utils/new_job_utils';
+import {
+  createSearchItems,
+  createJobForSaving,
+  checkCardinalitySuccess,
+  getMinimalValidJob,
+} from 'plugins/ml/jobs/new_job/utils/new_job_utils';
 import { loadIndexPatterns, loadCurrentIndexPattern, loadCurrentSavedSearch, timeBasedIndexCheck } from 'plugins/ml/util/index_utils';
 import { ML_JOB_FIELD_TYPES, ES_FIELD_TYPES } from 'plugins/ml/../common/constants/field_types';
 import { ALLOWED_DATA_UNITS } from 'plugins/ml/../common/constants/validation';
@@ -114,6 +119,8 @@ module.controller('MlNewJob',
     const mlConfirm = mlConfirmModalService;
     msgs.clear();
     const jobDefaults = newJobDefaults();
+    // For keeping a copy of the detectors for comparison
+    const currentConfigs = { detectors: [], model_plot_config: { enabled: false } };
 
     $scope.job = {};
     $scope.mode = MODE.NEW;
@@ -156,6 +163,15 @@ module.controller('MlNewJob',
           $scope.ui.validation.tabs[tab].valid = valid;
         }
       },
+      cardinalityValidator: {
+        status: 0, message: '', STATUS: {
+          FAILED: -1,
+          NOT_RUNNING: 0,
+          RUNNING: 1,
+          FINISHED: 2,
+          WARNING: 3,
+        }
+      },
       jsonText: '',
       changeTab: changeTab,
       influencers: [],
@@ -181,6 +197,7 @@ module.controller('MlNewJob',
       types: {},
       isDatafeed: true,
       useDedicatedIndex: false,
+      enableModelPlot: false,
       modelMemoryLimit: '',
       modelMemoryLimitDefault: jobDefaults.anomaly_detectors.model_memory_limit,
 
@@ -282,9 +299,37 @@ module.controller('MlNewJob',
         });
     }
 
+    function checkForConfigUpdates() {
+      const { STATUS } = $scope.ui.cardinalityValidator;
+      // Check if enable model plot was set/has changed and update if it has.
+      const jobModelPlotValue = $scope.job.model_plot_config ? $scope.job.model_plot_config : { enabled: false };
+      const modelPlotSettingsEqual = _.isEqual(currentConfigs.model_plot_config, jobModelPlotValue);
+
+      if (!modelPlotSettingsEqual) {
+        // Update currentConfigs.
+        currentConfigs.model_plot_config.enabled = jobModelPlotValue.enabled;
+        // Update ui portion so checkbox is checked
+        $scope.ui.enableModelPlot = jobModelPlotValue.enabled;
+      }
+
+      if ($scope.ui.enableModelPlot === true) {
+        const unchanged = _.isEqual(currentConfigs.detectors, $scope.job.analysis_config.detectors);
+        // if detectors changed OR model plot was just toggled on run cardinality
+        if (!unchanged || !modelPlotSettingsEqual) {
+          runValidateCardinality();
+        }
+      } else {
+        $scope.ui.cardinalityValidator.status = STATUS.FINISHED;
+        $scope.ui.cardinalityValidator.message = '';
+      }
+    }
+
     function changeTab(tab) {
       $scope.ui.currentTab = tab.index;
-      if (tab.index === 4) {
+      // Selecting Analysis Configuration tab
+      if (tab.index === 1) {
+        checkForConfigUpdates();
+      } else if (tab.index === 4) {
         createJSONText();
       } else if (tab.index === 5) {
         if ($scope.ui.dataLocation === 'ES') {
@@ -651,6 +696,83 @@ module.controller('MlNewJob',
       }
     };
 
+    function runValidateCardinality() {
+      const { STATUS } = $scope.ui.cardinalityValidator;
+      $scope.ui.cardinalityValidator.status = $scope.ui.cardinalityValidator.STATUS.RUNNING;
+
+      const tempJob = mlJobService.cloneJob($scope.job);
+      _.merge(tempJob, getMinimalValidJob());
+
+      ml.validateCardinality(tempJob)
+        .then((response) => {
+          const validationResult = checkCardinalitySuccess(response);
+
+          if (validationResult.success === true) {
+            $scope.ui.cardinalityValidator.status = STATUS.FINISHED;
+            $scope.ui.cardinalityValidator.message = '';
+          } else {
+            $scope.ui.cardinalityValidator.message = `Creating model plots is resource intensive and not recommended
+                  where the cardinality of the selected fields is greater than 100. Estimated cardinality
+                  for this job is ${validationResult.highCardinality}.
+                  If you enable model plot with this configuration
+                  we recommend you select a dedicated results index on the Job Details tab.`;
+
+            $scope.ui.cardinalityValidator.status = STATUS.WARNING;
+          }
+        })
+        .catch((error) => {
+          console.log('Cardinality check error:', error);
+          $scope.ui.cardinalityValidator.message = `An error occurred validating the configuration
+            for running the job with model plot enabled.
+            Creating model plots can be resource intensive and not recommended where the cardinality of the selected fields is high.
+            You may want to select a dedicated results index on the Job Details tab.`;
+
+          $scope.ui.cardinalityValidator.status = STATUS.FAILED;
+        });
+    }
+
+    $scope.onDetectorsUpdate = function () {
+      const { STATUS } = $scope.ui.cardinalityValidator;
+
+      if ($scope.ui.enableModelPlot === true) {
+        // Update currentConfigs since config changed
+        currentConfigs.detectors = _.cloneDeep($scope.job.analysis_config.detectors);
+
+        if ($scope.job.analysis_config.detectors.length === 0) {
+          $scope.ui.cardinalityValidator.status = STATUS.FINISHED;
+          $scope.ui.cardinalityValidator.message = '';
+        } else {
+          runValidateCardinality();
+        }
+      }
+    };
+
+    $scope.setModelPlotEnabled = function () {
+      const { STATUS } = $scope.ui.cardinalityValidator;
+
+      if ($scope.ui.enableModelPlot === true) {
+        // Start keeping track of the config in case of changes from Edit JSON tab requiring another cardinality check
+        currentConfigs.detectors = _.cloneDeep($scope.job.analysis_config.detectors);
+
+        $scope.job.model_plot_config = {
+          enabled: true
+        };
+
+        currentConfigs.model_plot_config.enabled = true;
+        // return early if there's nothing to run a check on yet.
+        if ($scope.job.analysis_config.detectors.length === 0) {
+          return;
+        }
+
+        runValidateCardinality();
+      } else {
+        currentConfigs.model_plot_config.enabled = false;
+        $scope.ui.cardinalityValidator.status = STATUS.FINISHED;
+        $scope.ui.cardinalityValidator.message = '';
+        delete $scope.job.model_plot_config;
+      }
+    };
+
     // function called by field-select components to set
     // properties in the analysis_config
     $scope.setAnalysisConfigProperty = function (value, field) {