Service Discovery Page rework (#10131)

* rework the target page

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* put back the URL of the endpoint

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* replace old code by the new one and change function style

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* align filter and search bar on the same row

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* remove unnecessary return

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* upgrade kvsearch to v0.3.0

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* fix unit test

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* add missing style on column

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* add placeholder and autofocus

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* put back the previous table design

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* fix issue relative to the position of the tooltip

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* fix health filter

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* fix test on label tooltip

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* simplify filter condition

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* rework service discovery page

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* introduced generic custom infinite scroll component

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* adjust the placeholder in discovery page

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* ignore returning type missing

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* apply fix required by the review

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

* index discoveredLabels

Signed-off-by: Augustin Husson <husson.augustin@gmail.com>

web/ui/react-app/src/components/CustomInfiniteScroll.tsx

@@ -0,0 +1,50 @@
+import { ComponentType, useEffect, useState } from 'react';
+import InfiniteScroll from 'react-infinite-scroll-component';
+
+const initialNumberOfItemsDisplayed = 50;
+
+export interface InfiniteScrollItemsProps<T> {
+  items: T[];
+}
+
+interface CustomInfiniteScrollProps<T> {
+  allItems: T[];
+  child: ComponentType<InfiniteScrollItemsProps<T>>;
+}
+
+// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+const CustomInfiniteScroll = <T extends unknown>({ allItems, child }: CustomInfiniteScrollProps<T>) => {
+  const [items, setItems] = useState<T[]>(allItems.slice(0, 50));
+  const [index, setIndex] = useState<number>(initialNumberOfItemsDisplayed);
+  const [hasMore, setHasMore] = useState<boolean>(allItems.length > initialNumberOfItemsDisplayed);
+  const Child = child;
+
+  useEffect(() => {
+    setItems(allItems.slice(0, initialNumberOfItemsDisplayed));
+    setHasMore(allItems.length > initialNumberOfItemsDisplayed);
+  }, [allItems]);
+
+  const fetchMoreData = () => {
+    if (items.length === allItems.length) {
+      setHasMore(false);
+    } else {
+      const newIndex = index + initialNumberOfItemsDisplayed;
+      setIndex(newIndex);
+      setItems(allItems.slice(0, newIndex));
+    }
+  };
+
+  return (
+    <InfiniteScroll
+      next={fetchMoreData}
+      hasMore={hasMore}
+      loader={<h4>loading...</h4>}
+      dataLength={items.length}
+      height={items.length > 25 ? '75vh' : ''}
+    >
+      <Child items={items} />
+    </InfiniteScroll>
+  );
+};
+
+export default CustomInfiniteScroll;

web/ui/react-app/src/pages/serviceDiscovery/LabelsTable.tsx

@@ -2,6 +2,7 @@ import React, { FC, useState } from 'react';
 import { Badge, Table } from 'reactstrap';
 import { TargetLabels } from './Services';
 import { ToggleMoreLess } from '../../components/ToggleMoreLess';
+import CustomInfiniteScroll, { InfiniteScrollItemsProps } from '../../components/CustomInfiniteScroll';
 
 interface LabelProps {
   value: TargetLabels[];
@@ -20,6 +21,33 @@ const formatLabels = (labels: Record<string, string> | string) => {
   });
 };
 
+const LabelsTableContent: FC<InfiniteScrollItemsProps<TargetLabels>> = ({ items }) => {
+  return (
+    <Table size="sm" bordered hover striped>
+      <thead>
+        <tr>
+          <th>Discovered Labels</th>
+          <th>Target Labels</th>
+        </tr>
+      </thead>
+      <tbody>
+        {items.map((_, i) => {
+          return (
+            <tr key={i}>
+              <td>{formatLabels(items[i].discoveredLabels)}</td>
+              {items[i].isDropped ? (
+                <td style={{ fontWeight: 'bold' }}>Dropped</td>
+              ) : (
+                <td>{formatLabels(items[i].labels)}</td>
+              )}
+            </tr>
+          );
+        })}
+      </tbody>
+    </Table>
+  );
+};
+
 export const LabelsTable: FC<LabelProps> = ({ value, name }) => {
   const [showMore, setShowMore] = useState(false);
 
@@ -35,30 +63,7 @@ export const LabelsTable: FC<LabelProps> = ({ value, name }) => {
           <span className="target-head">{name}</span>
         </ToggleMoreLess>
       </div>
-      {showMore ? (
+      {showMore ? <CustomInfiniteScroll allItems={value} child={LabelsTableContent} /> : null}
-        <Table size="sm" bordered hover striped>
-          <thead>
-            <tr>
-              <th>Discovered Labels</th>
-              <th>Target Labels</th>
-            </tr>
-          </thead>
-          <tbody>
-            {value.map((_, i) => {
-              return (
-                <tr key={i}>
-                  <td>{formatLabels(value[i].discoveredLabels)}</td>
-                  {value[i].isDropped ? (
-                    <td style={{ fontWeight: 'bold' }}>Dropped</td>
-                  ) : (
-                    <td>{formatLabels(value[i].labels)}</td>
-                  )}
-                </tr>
-              );
-            })}
-          </tbody>
-        </Table>
-      ) : null}
     </>
   );
 };

web/ui/react-app/src/pages/serviceDiscovery/Services.tsx

@@ -1,4 +1,4 @@
-import React, { FC } from 'react';
+import React, { ChangeEvent, FC, useEffect, useState } from 'react';
 import { useFetch } from '../../hooks/useFetch';
 import { LabelsTable } from './LabelsTable';
 import { DroppedTarget, Labels, Target } from '../targets/target';
@@ -7,6 +7,10 @@ import { withStatusIndicator } from '../../components/withStatusIndicator';
 import { mapObjEntries } from '../../utils';
 import { usePathPrefix } from '../../contexts/PathPrefixContext';
 import { API_PATH } from '../../constants/constants';
+import { KVSearch } from '@nexucis/kvsearch';
+import { Container, Input, InputGroup, InputGroupAddon, InputGroupText } from 'reactstrap';
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
+import { faSearch } from '@fortawesome/free-solid-svg-icons';
 
 interface ServiceMap {
   activeTargets: Target[];
@@ -19,6 +23,11 @@ export interface TargetLabels {
   isDropped: boolean;
 }
 
+const kvSearch = new KVSearch({
+  shouldSort: true,
+  indexedKeys: ['labels', 'discoveredLabels', ['discoveredLabels', /.*/], ['labels', /.*/]],
+});
+
 export const processSummary = (
   activeTargets: Target[],
   droppedTargets: DroppedTarget[]
@@ -82,14 +91,41 @@ export const processTargets = (activeTargets: Target[], droppedTargets: DroppedT
 };
 
 export const ServiceDiscoveryContent: FC<ServiceMap> = ({ activeTargets, droppedTargets }) => {
-  const targets = processSummary(activeTargets, droppedTargets);
+  const [activeTargetList, setActiveTargetList] = useState(activeTargets);
-  const labels = processTargets(activeTargets, droppedTargets);
+  const [targetList, setTargetList] = useState(processSummary(activeTargets, droppedTargets));
+  const [labelList, setLabelList] = useState(processTargets(activeTargets, droppedTargets));
+
+  const handleSearchChange = (e: ChangeEvent<HTMLTextAreaElement | HTMLInputElement>) => {
+    if (e.target.value !== '') {
+      const result = kvSearch.filter(e.target.value.trim(), activeTargets);
+      setActiveTargetList(
+        result.map((value) => {
+          return value.original as unknown as Target;
+        })
+      );
+    } else {
+      setActiveTargetList(activeTargets);
+    }
+  };
+
+  useEffect(() => {
+    setTargetList(processSummary(activeTargetList, droppedTargets));
+    setLabelList(processTargets(activeTargetList, droppedTargets));
+  }, [activeTargetList, droppedTargets]);
 
   return (
     <>
       <h2>Service Discovery</h2>
+      <Container>
+        <InputGroup>
+          <InputGroupAddon addonType="prepend">
+            <InputGroupText>{<FontAwesomeIcon icon={faSearch} />}</InputGroupText>
+          </InputGroupAddon>
+          <Input autoFocus onChange={handleSearchChange} placeholder="Filter by labels" />
+        </InputGroup>
+      </Container>
       <ul>
-        {mapObjEntries(targets, ([k, v]) => (
+        {mapObjEntries(targetList, ([k, v]) => (
           <li key={k}>
             <a href={'#' + k}>
               {k} ({v.active} / {v.total} active targets)
@@ -98,7 +134,7 @@ export const ServiceDiscoveryContent: FC<ServiceMap> = ({ activeTargets, dropped
         ))}
       </ul>
       <hr />
-      {mapObjEntries(labels, ([k, v]) => {
+      {mapObjEntries(labelList, ([k, v]) => {
         return <LabelsTable value={v} name={k} key={k} />;
       })}
     </>

web/ui/react-app/src/pages/targets/ScrapePoolContent.tsx

@@ -1,6 +1,5 @@
-import React, { FC, useEffect, useState } from 'react';
+import React, { FC } from 'react';
 import { getColor, Target } from './target';
-import InfiniteScroll from 'react-infinite-scroll-component';
 import { Badge, Table } from 'reactstrap';
 import TargetLabels from './TargetLabels';
 import styles from './ScrapePoolPanel.module.css';
@@ -8,42 +7,16 @@ import { formatRelative } from '../../utils';
 import { now } from 'moment';
 import TargetScrapeDuration from './TargetScrapeDuration';
 import EndpointLink from './EndpointLink';
+import CustomInfiniteScroll, { InfiniteScrollItemsProps } from '../../components/CustomInfiniteScroll';
 
 const columns = ['Endpoint', 'State', 'Labels', 'Last Scrape', 'Scrape Duration', 'Error'];
-const initialNumberOfTargetsDisplayed = 50;
 
 interface ScrapePoolContentProps {
   targets: Target[];
 }
 
-export const ScrapePoolContent: FC<ScrapePoolContentProps> = ({ targets }) => {
+const ScrapePoolContentTable: FC<InfiniteScrollItemsProps<Target>> = ({ items }) => {
-  const [items, setItems] = useState<Target[]>(targets.slice(0, 50));
-  const [index, setIndex] = useState<number>(initialNumberOfTargetsDisplayed);
-  const [hasMore, setHasMore] = useState<boolean>(targets.length > initialNumberOfTargetsDisplayed);
-
-  useEffect(() => {
-    setItems(targets.slice(0, initialNumberOfTargetsDisplayed));
-    setHasMore(targets.length > initialNumberOfTargetsDisplayed);
-  }, [targets]);
-
-  const fetchMoreData = () => {
-    if (items.length === targets.length) {
-      setHasMore(false);
-    } else {
-      const newIndex = index + initialNumberOfTargetsDisplayed;
-      setIndex(newIndex);
-      setItems(targets.slice(0, newIndex));
-    }
-  };
-
   return (
-    <InfiniteScroll
-      next={fetchMoreData}
-      hasMore={hasMore}
-      loader={<h4>loading...</h4>}
-      dataLength={items.length}
-      height={items.length > 25 ? '75vh' : ''}
-    >
     <Table className={styles.table} size="sm" bordered hover striped>
       <thead>
         <tr key="header">
@@ -86,6 +59,9 @@ export const ScrapePoolContent: FC<ScrapePoolContentProps> = ({ targets }) => {
         ))}
       </tbody>
     </Table>
-    </InfiniteScroll>
   );
 };
+
+export const ScrapePoolContent: FC<ScrapePoolContentProps> = ({ targets }) => {
+  return <CustomInfiniteScroll allItems={targets} child={ScrapePoolContentTable} />;
+};