Add context menu links to metrics dashboard panel

This change allows the user to define "links" in their panel definition
to see them displayed next to their chart as a quick action to visit
other pages.

app/assets/javascripts/monitoring/components/dashboard_panel.vue

@@ -6,8 +6,9 @@ import {
   GlResizeObserverDirective,
   GlIcon,
   GlLoadingIcon,
-  GlDropdown,
-  GlDropdownItem,
+  GlNewDropdown as GlDropdown,
+  GlNewDropdownItem as GlDropdownItem,
+  GlNewDropdownDivider as GlDropdownDivider,
   GlModal,
   GlModalDirective,
   GlTooltip,
@@ -28,6 +29,7 @@ import MonitorStackedColumnChart from './charts/stacked_column.vue';
 import TrackEventDirective from '~/vue_shared/directives/track_event';
 import AlertWidget from './alert_widget.vue';
 import { timeRangeToUrl, downloadCSVOptions, generateLinkToChartOptions } from '../utils';
+import { isSafeURL } from '~/lib/utils/url_utility';
 
 const events = {
   timeRangeZoom: 'timerangezoom',
@@ -43,6 +45,7 @@ export default {
     GlTooltip,
     GlDropdown,
     GlDropdownItem,
+    GlDropdownDivider,
     GlModal,
   },
   directives: {
@@ -118,6 +121,9 @@ export default {
       metricsSavedToDb(state, getters) {
         return getters[`${this.namespace}/metricsSavedToDb`];
       },
+      selectedDashboard(state, getters) {
+        return getters[`${this.namespace}/selectedDashboard`];
+      },
     }),
     title() {
       return this.graphData?.title || '';
@@ -266,6 +272,9 @@ export default {
         this.$delete(this.allAlerts, alertPath);
       }
     },
+    safeUrl(url) {
+      return isSafeURL(url) ? url : '#';
+    },
   },
   panelTypes,
 };
@@ -305,14 +314,13 @@ export default {
         <div class="d-flex align-items-center">
           <gl-dropdown
             v-gl-tooltip
-            toggle-class="btn btn-transparent border-0"
+            toggle-class="shadow-none border-0"
             data-qa-selector="prometheus_widgets_dropdown"
             right
-            no-caret
             :title="__('More actions')"
           >
             <template slot="button-content">
-              <gl-icon name="ellipsis_v" class="text-secondary" />
+              <gl-icon name="ellipsis_v" class="dropdown-icon text-secondary" />
             </template>
             <gl-dropdown-item
               v-if="expandBtnAvailable"
@@ -363,6 +371,23 @@ export default {
             >
               {{ __('Alerts') }}
             </gl-dropdown-item>
+
+            <template v-if="graphData.links.length">
+              <gl-dropdown-divider />
+              <gl-dropdown-item
+                v-for="(link, index) in graphData.links"
+                :key="index"
+                :href="safeUrl(link.url)"
+                class="text-break"
+                >{{ link.title }}</gl-dropdown-item
+              >
+            </template>
+            <template v-if="selectedDashboard && selectedDashboard.can_edit">
+              <gl-dropdown-divider />
+              <gl-dropdown-item ref="manageLinksItem" :href="selectedDashboard.project_blob_path">{{
+                s__('Metrics|Manage chart links')
+              }}</gl-dropdown-item>
+            </template>
           </gl-dropdown>
         </div>
       </div>

app/assets/javascripts/monitoring/stores/utils.js

@@ -3,6 +3,7 @@ import createGqClient, { fetchPolicies } from '~/lib/graphql';
 import { SUPPORTED_FORMATS } from '~/lib/utils/unit_format';
 import { getIdFromGraphQLId } from '~/graphql_shared/utils';
 import { NOT_IN_DB_PREFIX } from '../constants';
+import { isSafeURL } from '~/lib/utils/url_utility';
 
 export const gqClient = createGqClient(
   {},
@@ -137,6 +138,23 @@ const mapYAxisToViewModel = ({
   };
 };
 
+/**
+ * Maps a link to its view model, expects an url and
+ * (optionally) a title.
+ *
+ * Unsafe URLs are ignored.
+ *
+ * @param {Object} Link
+ * @returns {Object} Link object with a `title` and `url`.
+ *
+ */
+const mapLinksToViewModel = ({ url = null, title = '' } = {}) => {
+  return {
+    title: title || String(url),
+    url: url && isSafeURL(url) ? String(url) : '#',
+  };
+};
+
 /**
  * Maps a metrics panel to its view model
  *
@@ -152,6 +170,7 @@ const mapPanelToViewModel = ({
   y_label,
   y_axis = {},
   metrics = [],
+  links = [],
   max_value,
 }) => {
   // Both `x_axis.name` and `x_label` are supported for now
@@ -171,6 +190,7 @@ const mapPanelToViewModel = ({
     yAxis,
     xAxis,
     maxValue: max_value,
+    links: links.map(mapLinksToViewModel),
     metrics: mapToMetricsViewModel(metrics, yAxis.name),
   };
 };

changelogs/unreleased/215497-add-custom-links-to-panel.yml

+---
+title: Allow user to add custom links to their metrics dashboard panels
+merge_request: 32646
+author:
+type: added

locale/gitlab.pot

@@ -13735,6 +13735,9 @@ msgstr ""
 msgid "Metrics|Link contains invalid chart information, please verify the link to see the expanded panel."
 msgstr ""
 
+msgid "Metrics|Manage chart links"
+msgstr ""
+
 msgid "Metrics|Max"
 msgstr ""
 

spec/frontend/monitoring/components/dashboard_panel_spec.js

@@ -4,7 +4,7 @@ import AxiosMockAdapter from 'axios-mock-adapter';
 import { setTestTimeout } from 'helpers/timeout';
 import invalidUrl from '~/lib/utils/invalid_url';
 import axios from '~/lib/utils/axios_utils';
-import { GlDropdownItem } from '@gitlab/ui';
+import { GlNewDropdownItem as GlDropdownItem } from '@gitlab/ui';
 import AlertWidget from '~/monitoring/components/alert_widget.vue';
 
 import DashboardPanel from '~/monitoring/components/dashboard_panel.vue';
@@ -55,7 +55,9 @@ describe('Dashboard Panel', () => {
   const findCopyLink = () => wrapper.find({ ref: 'copyChartLink' });
   const findTimeChart = () => wrapper.find({ ref: 'timeSeriesChart' });
   const findTitle = () => wrapper.find({ ref: 'graphTitle' });
-  const findContextualMenu = () => wrapper.find({ ref: 'contextualMenu' });
+  const findCtxMenu = () => wrapper.find({ ref: 'contextualMenu' });
+  const findMenuItems = () => wrapper.findAll(GlDropdownItem);
+  const findMenuItemByText = text => findMenuItems().filter(i => i.text() === text);
 
   const createWrapper = (props, options) => {
     wrapper = shallowMount(DashboardPanel, {
@@ -70,6 +72,15 @@ describe('Dashboard Panel', () => {
     });
   };
 
+  const mockGetterReturnValue = (getter, value) => {
+    jest.spyOn(monitoringDashboard.getters, getter).mockReturnValue(value);
+    store = new Vuex.Store({
+      modules: {
+        monitoringDashboard,
+      },
+    });
+  };
+
   beforeEach(() => {
     setTestTimeout(1000);
 
@@ -119,7 +130,7 @@ describe('Dashboard Panel', () => {
     });
 
     it('does not contain graph widgets', () => {
-      expect(findContextualMenu().exists()).toBe(false);
+      expect(findCtxMenu().exists()).toBe(false);
     });
 
     it('The Empty Chart component is rendered and is a Vue instance', () => {
@@ -152,7 +163,7 @@ describe('Dashboard Panel', () => {
     });
 
     it('does not contain graph widgets', () => {
-      expect(findContextualMenu().exists()).toBe(false);
+      expect(findCtxMenu().exists()).toBe(false);
     });
 
     it('The Empty Chart component is rendered and is a Vue instance', () => {
@@ -175,7 +186,7 @@ describe('Dashboard Panel', () => {
     });
 
     it('contains graph widgets', () => {
-      expect(findContextualMenu().exists()).toBe(true);
+      expect(findCtxMenu().exists()).toBe(true);
       expect(wrapper.find({ ref: 'downloadCsvLink' }).exists()).toBe(true);
     });
 
@@ -371,7 +382,7 @@ describe('Dashboard Panel', () => {
     });
   });
 
-  describe('when cliboard data is available', () => {
+  describe('when clipboard data is available', () => {
     const clipboardText = 'A value to copy.';
 
     beforeEach(() => {
@@ -396,7 +407,7 @@ describe('Dashboard Panel', () => {
     });
   });
 
-  describe('when cliboard data is not available', () => {
+  describe('when clipboard data is not available', () => {
     it('there is no "copy to clipboard" link for a null value', () => {
       createWrapper({ clipboardText: null });
       expect(findCopyLink().exists()).toBe(false);
@@ -534,17 +545,9 @@ describe('Dashboard Panel', () => {
     const setMetricsSavedToDb = val =>
       monitoringDashboard.getters.metricsSavedToDb.mockReturnValue(val);
     const findAlertsWidget = () => wrapper.find(AlertWidget);
-    const findMenuItemAlert = () =>
-      wrapper.findAll(GlDropdownItem).filter(i => i.text() === 'Alerts');
 
     beforeEach(() => {
-      jest.spyOn(monitoringDashboard.getters, 'metricsSavedToDb').mockReturnValue([]);
-
-      store = new Vuex.Store({
-        modules: {
-          monitoringDashboard,
-        },
-      });
+      mockGetterReturnValue('metricsSavedToDb', []);
 
       createWrapper();
     });
@@ -573,8 +576,99 @@ describe('Dashboard Panel', () => {
       });
 
       it(`${showsDesc} alert configuration`, () => {
-        expect(findMenuItemAlert().exists()).toBe(isShown);
+        expect(findMenuItemByText('Alerts').exists()).toBe(isShown);
+      });
     });
   });
+
+  describe('When graphData contains links', () => {
+    const findManageLinksItem = () => wrapper.find({ ref: 'manageLinksItem' });
+    const mockLinks = [
+      {
+        url: 'https://example.com',
+        title: 'Example 1',
+      },
+      {
+        url: 'https://gitlab.com',
+        title: 'Example 2',
+      },
+    ];
+    const createWrapperWithLinks = (links = mockLinks) => {
+      createWrapper({
+        graphData: {
+          ...graphData,
+          links,
+        },
+      });
+    };
+
+    it('custom links are shown', () => {
+      createWrapperWithLinks();
+
+      mockLinks.forEach(({ url, title }) => {
+        const link = findMenuItemByText(title).at(0);
+
+        expect(link.exists()).toBe(true);
+        expect(link.attributes('href')).toBe(url);
+      });
+    });
+
+    it("custom links don't show unsecure content", () => {
+      createWrapperWithLinks([
+        {
+          title: '<script>alert("XSS")</script>',
+          url: 'http://example.com',
+        },
+      ]);
+
+      expect(findMenuItems().at(1).element.innerHTML).toBe(
+        '&lt;script&gt;alert("XSS")&lt;/script&gt;',
+      );
+    });
+
+    it("custom links don't show unsecure href attributes", () => {
+      const title = 'Owned!';
+
+      createWrapperWithLinks([
+        {
+          title,
+          // eslint-disable-next-line no-script-url
+          url: 'javascript:alert("Evil")',
+        },
+      ]);
+
+      const link = findMenuItemByText(title).at(0);
+      expect(link.attributes('href')).toBe('#');
+    });
+
+    it('when an editable dashboard is selected, shows `Manage chart links` link to the blob path', () => {
+      const editUrl = '/edit';
+      mockGetterReturnValue('selectedDashboard', {
+        can_edit: true,
+        project_blob_path: editUrl,
+      });
+      createWrapperWithLinks();
+
+      expect(findManageLinksItem().exists()).toBe(true);
+      expect(findManageLinksItem().attributes('href')).toBe(editUrl);
+    });
+
+    it('when no dashboard is selected, does not show `Manage chart links`', () => {
+      mockGetterReturnValue('selectedDashboard', null);
+      createWrapperWithLinks();
+
+      expect(findManageLinksItem().exists()).toBe(false);
+    });
+
+    it('when non-editable dashboard is selected, does not show `Manage chart links`', () => {
+      const editUrl = '/edit';
+      mockGetterReturnValue('selectedDashboard', {
+        can_edit: false,
+        project_blob_path: editUrl,
+      });
+      createWrapperWithLinks();
+
+      expect(findManageLinksItem().exists()).toBe(false);
+    });
   });
 });

spec/frontend/monitoring/store/utils_spec.js

@@ -63,6 +63,7 @@ describe('mapToDashboardViewModel', () => {
                 format: 'engineering',
                 precision: 2,
               },
+              links: [],
               metrics: [],
             },
           ],
@@ -147,6 +148,7 @@ describe('mapToDashboardViewModel', () => {
           format: SUPPORTED_FORMATS.engineering,
           precision: 2,
         },
+        links: [],
         metrics: [],
       });
     });
@@ -170,6 +172,7 @@ describe('mapToDashboardViewModel', () => {
           format: SUPPORTED_FORMATS.engineering,
           precision: 2,
         },
+        links: [],
         metrics: [],
       });
     });
@@ -238,6 +241,77 @@ describe('mapToDashboardViewModel', () => {
 
       expect(getMappedPanel().maxValue).toBe(100);
     });
+
+    describe('panel with links', () => {
+      const title = 'Example';
+      const url = 'https://example.com';
+
+      it('maps an empty link collection', () => {
+        setupWithPanel({
+          links: undefined,
+        });
+
+        expect(getMappedPanel().links).toEqual([]);
+      });
+
+      it('maps a link', () => {
+        setupWithPanel({ links: [{ title, url }] });
+
+        expect(getMappedPanel().links).toEqual([{ title, url }]);
+      });
+
+      it('maps a link without a title', () => {
+        setupWithPanel({
+          links: [{ url }],
+        });
+
+        expect(getMappedPanel().links).toEqual([{ title: url, url }]);
+      });
+
+      it('maps a link without a url', () => {
+        setupWithPanel({
+          links: [{ title }],
+        });
+
+        expect(getMappedPanel().links).toEqual([{ title, url: '#' }]);
+      });
+
+      it('maps a link without a url or title', () => {
+        setupWithPanel({
+          links: [{}],
+        });
+
+        expect(getMappedPanel().links).toEqual([{ title: 'null', url: '#' }]);
+      });
+
+      it('maps a link with an unsafe url safely', () => {
+        // eslint-disable-next-line no-script-url
+        const unsafeUrl = 'javascript:alert("XSS")';
+
+        setupWithPanel({
+          links: [
+            {
+              title,
+              url: unsafeUrl,
+            },
+          ],
+        });
+
+        expect(getMappedPanel().links).toEqual([{ title, url: '#' }]);
+      });
+
+      it('maps multple links', () => {
+        setupWithPanel({
+          links: [{ title, url }, { url }, { title }],
+        });
+
+        expect(getMappedPanel().links).toEqual([
+          { title, url },
+          { title: url, url },
+          { title, url: '#' },
+        ]);
+      });
+    });
   });
 
   describe('metrics mapping', () => {