feat: kafka Rebalance list

ui/api/kafka/actions.ts

@@ -59,7 +59,7 @@ export async function getKafkaCluster(
 ): Promise<ClusterDetail | null> {
   const sp = new URLSearchParams({
     "fields[kafkas]":
-      "name,namespace,creationTimestamp,status,kafkaVersion,nodes,controller,authorizedOperations,listeners,conditions,nodePools",
+      "name,namespace,creationTimestamp,status,kafkaVersion,nodes,controller,authorizedOperations,listeners,conditions,nodePools,cruiseControlEnabled",
   });
   const kafkaClusterQuery = sp.toString();
   const url = `${process.env.BACKEND_URL}/api/kafkas/${clusterId}?${kafkaClusterQuery}`;

ui/api/kafka/schema.ts

@@ -50,6 +50,7 @@ const ClusterDetailSchema = z.object({
     nodes: z.array(NodeSchema),
     controller: NodeSchema,
     authorizedOperations: z.array(z.string()),
+    cruiseControlEnabled: z.boolean().optional(),
     listeners: z
       .array(
         z.object({

ui/api/rebalance/actions.ts

@@ -0,0 +1,92 @@
+"use server";
+import { logger } from "@/utils/logger";
+import {
+  RebalanceResponse,
+  RebalanceResponseSchema,
+  RebalanceSchema,
+  RebalancesResponse,
+  RebalanceStatus,
+} from "./schema";
+import { filterUndefinedFromObj } from "@/utils/filterUndefinedFromObj";
+import { getHeaders } from "@/api/api";
+import { RebalanceMode } from "./schema";
+
+const log = logger.child({ module: "rebalance-api" });
+
+export async function getRebalancesList(
+  kafkaId: string,
+  params: {
+    name?: string;
+    mode?: RebalanceMode[];
+    status?: RebalanceStatus[];
+    pageSize?: number;
+    pageCursor?: string;
+    sort?: string;
+    sortDir?: string;
+  },
+): Promise<RebalancesResponse> {
+  const sp = new URLSearchParams(
+    filterUndefinedFromObj({
+      "fields[kafkaRebalances]":
+        "name,namespace,creationTimestamp,status,mode,brokers,optimizationResult",
+      "filter[name]": params.name ? `like,*${params.name}*` : undefined,
+      "filter[status]":
+        params.status && params.status.length > 0
+          ? `in,${params.status.join(",")}`
+          : undefined,
+      "filter[mode]":
+        params.mode && params.mode.length > 0
+          ? `in,${params.mode.join(",")}`
+          : undefined,
+      "page[size]": params.pageSize,
+      "page[after]": params.pageCursor,
+      sort: params.sort
+        ? (params.sortDir !== "asc" ? "-" : "") + params.sort
+        : undefined,
+    }),
+  );
+  const rebalanceQuery = sp.toString();
+  const url = `${process.env.BACKEND_URL}/api/kafkas/${kafkaId}/rebalances?${rebalanceQuery}`;
+  const res = await fetch(url, {
+    headers: await getHeaders(),
+    next: {
+      tags: ["rebalances"],
+    },
+  });
+
+  log.debug({ url }, "getRebalanceList");
+  const rawData = await res.json();
+  log.trace({ url, rawData }, "getRebalanceList response");
+  return RebalanceResponseSchema.parse(rawData);
+}
+
+export async function getRebalanceDetails(
+  kafkaId: string,
+  rebalanceId: string,
+  action?: string,
+): Promise<RebalanceResponse | boolean> {
+  const url = `${process.env.BACKEND_URL}/api/kafkas/${kafkaId}/rebalances/${rebalanceId}`;
+  const decodedRebalanceId = decodeURIComponent(rebalanceId);
+  const body = {
+    data: {
+      type: "kafkaRebalances",
+      id: decodedRebalanceId,
+      meta: {
+        action: action,
+      },
+      attributes: {},
+    },
+  };
+  log.debug({ url }, "Fetching rebalance details");
+  const res = await fetch(url, {
+    headers: await getHeaders(),
+    method: "PATCH",
+    body: JSON.stringify(body),
+  });
+  if (action) {
+    return res.ok;
+  } else {
+    const rawData = await res.json();
+    return RebalanceSchema.parse(rawData.data);
+  }
+}

ui/api/rebalance/schema.ts

@@ -0,0 +1,102 @@
+import { z } from "zod";
+
+const RebalanceStatusSchema = z.union([
+  z.literal("New"),
+  z.literal("PendingProposal"),
+  z.literal("ProposalReady"),
+  z.literal("Rebalancing"),
+  z.literal("Stopped"),
+  z.literal("NotReady"),
+  z.literal("Ready"),
+  z.literal("ReconciliationPaused"),
+]);
+
+const ModeSchema = z.union([
+  z.literal("full"),
+  z.literal("add-brokers"),
+  z.literal("remove-brokers"),
+]);
+
+const OptimizationResultSchema = z.object({
+  numIntraBrokerReplicaMovements: z.number().optional(),
+  numReplicaMovements: z.number().optional(),
+  onDemandBalancednessScoreAfter: z.number().optional(),
+  afterBeforeLoadConfigMap: z.string().optional(),
+  intraBrokerDataToMoveMB: z.number().optional(),
+  monitoredPartitionsPercentage: z.number().optional(),
+  provisionRecommendation: z.string().optional(),
+  excludedBrokersForReplicaMove: z.array(z.string()).nullable().optional(),
+  excludedBrokersForLeadership: z.array(z.string()).nullable().optional(),
+  provisionStatus: z.string().optional(),
+  onDemandBalancednessScoreBefore: z.number().optional(),
+  recentWindows: z.number().optional(),
+  dataToMoveMB: z.number().optional(),
+  excludedTopics: z.array(z.string()).nullable().optional(),
+  numLeaderMovements: z.number().optional(),
+});
+
+export const RebalanceSchema = z.object({
+  id: z.string(),
+  type: z.literal("kafkaRebalances"),
+  meta: z
+    .object({
+      autoApproval: z.boolean().optional(),
+      allowedActions: z.array(z.string()),
+    })
+    .optional(),
+  attributes: z.object({
+    name: z.string(),
+    namespace: z.string(),
+    creationTimestamp: z.string(),
+    status: RebalanceStatusSchema,
+    mode: ModeSchema,
+    brokers: z.array(z.number()).nullable(),
+    sessionId: z.string().nullable(),
+    optimizationResult: OptimizationResultSchema,
+  }),
+});
+
+const RebalancesListSchema = z.object({
+  id: z.string(),
+  type: z.literal("kafkaRebalances"),
+  meta: z.object({
+    page: z.object({
+      cursor: z.string(),
+    }),
+    autoApproval: z.boolean(),
+    managed: z.boolean().optional(),
+    allowedActions: z.array(z.string()),
+  }),
+  attributes: RebalanceSchema.shape.attributes.pick({
+    name: true,
+    status: true,
+    creationTimestamp: true,
+    mode: true,
+    brokers: true,
+    optimizationResult: true
+  }),
+});
+
+export const RebalanceResponseSchema = z.object({
+  meta: z.object({
+    page: z.object({
+      total: z.number(),
+      pageNumber: z.number().optional(),
+    }),
+  }),
+  links: z.object({
+    first: z.string().nullable(),
+    prev: z.string().nullable(),
+    next: z.string().nullable(),
+    last: z.string().nullable(),
+  }),
+  data: z.array(RebalancesListSchema),
+});
+export type RebalanceList = z.infer<typeof RebalancesListSchema>;
+export type RebalancesResponse = z.infer<typeof RebalanceResponseSchema>;
+
+export type RebalanceResponse = z.infer<typeof RebalanceSchema>;
+
+export type RebalanceStatus = z.infer<typeof RebalanceStatusSchema>;
+
+export type RebalanceMode = z.infer<typeof ModeSchema>;

ui/app/[locale]/(authorized)/kafka/[kafkaId]/@activeBreadcrumb/nodes/page.tsx

@@ -1,5 +1,5 @@
 import { BreadcrumbItem } from "@/libs/patternfly/react-core";
 
-export default function TopicsActiveBreadcrumb() {
+export default function NodesActiveBreadcrumb() {
   return <BreadcrumbItem showDivider={true}>Brokers</BreadcrumbItem>;
 }

ui/app/[locale]/(authorized)/kafka/[kafkaId]/@activeBreadcrumb/nodes/rebalances/page.tsx

@@ -0,0 +1,5 @@
+import { BreadcrumbItem } from "@/libs/patternfly/react-core";
+
+export default function RebalanceActiveBreadcrumb() {
+  return <BreadcrumbItem showDivider={true}>Brokers</BreadcrumbItem>;
+}

ui/app/[locale]/(authorized)/kafka/[kafkaId]/@header/nodes/page.tsx

@@ -2,24 +2,49 @@ import { getKafkaCluster } from "@/api/kafka/actions";
 import { KafkaParams } from "@/app/[locale]/(authorized)/kafka/[kafkaId]/kafka.params";
 import { AppHeader } from "@/components/AppHeader";
 import { Number } from "@/components/Format/Number";
-import { Label, Spinner, Split, SplitItem } from "@/libs/patternfly/react-core";
+import { NavItemLink } from "@/components/Navigation/NavItemLink";
+import {
+  Label,
+  Nav,
+  NavList,
+  PageNavigation,
+  Spinner,
+  Split,
+  SplitItem,
+} from "@/libs/patternfly/react-core";
 import { CheckCircleIcon } from "@/libs/patternfly/react-icons";
 import { Suspense } from "react";
 
 export default function NodesHeader({ params }: { params: KafkaParams }) {
   return (
-    <Suspense fallback={<Header />}>
+    <Suspense
+      fallback={<Header kafkaId={undefined} cruiseControlEnable={false} />}
+    >
       <ConnectedHeader params={params} />
     </Suspense>
   );
 }
 
 async function ConnectedHeader({ params }: { params: KafkaParams }) {
   const cluster = await getKafkaCluster(params.kafkaId);
-  return <Header total={cluster?.attributes.nodes.length || 0} />;
+  return (
+    <Header
+      total={cluster?.attributes.nodes.length || 0}
+      kafkaId={cluster?.id}
+      cruiseControlEnable={cluster?.attributes.cruiseControlEnabled || false}
+    />
+  );
 }
 
-function Header({ total }: { total?: number }) {
+function Header({
+  total,
+  kafkaId,
+  cruiseControlEnable,
+}: {
+  total?: number;
+  kafkaId: string | undefined;
+  cruiseControlEnable: boolean;
+}) {
   return (
     <AppHeader
       title={
@@ -41,6 +66,22 @@ function Header({ total }: { total?: number }) {
           </SplitItem>
         </Split>
       }
+      navigation={
+        <PageNavigation>
+          <Nav aria-label="Node navigation" variant="tertiary">
+            <NavList>
+              <NavItemLink url={`/kafka/${kafkaId}/nodes`}>
+                Overview
+              </NavItemLink>
+              {cruiseControlEnable && (
+                <NavItemLink url={`/kafka/${kafkaId}/nodes/rebalances`}>
+                  Rebalance
+                </NavItemLink>
+              )}
+            </NavList>
+          </Nav>
+        </PageNavigation>
+      }
     />
   );
 }

ui/app/[locale]/(authorized)/kafka/[kafkaId]/@header/nodes/rebalances/page.tsx

@@ -0,0 +1,87 @@
+import { getKafkaCluster } from "@/api/kafka/actions";
+import { KafkaParams } from "@/app/[locale]/(authorized)/kafka/[kafkaId]/kafka.params";
+import { AppHeader } from "@/components/AppHeader";
+import { Number } from "@/components/Format/Number";
+import { NavItemLink } from "@/components/Navigation/NavItemLink";
+import {
+  Label,
+  Nav,
+  NavList,
+  PageNavigation,
+  Spinner,
+  Split,
+  SplitItem,
+} from "@/libs/patternfly/react-core";
+import { CheckCircleIcon } from "@/libs/patternfly/react-icons";
+import { Suspense } from "react";
+
+export default function NodesHeader({ params }: { params: KafkaParams }) {
+  return (
+    <Suspense
+      fallback={<Header kafkaId={undefined} cruiseControlEnable={false} />}
+    >
+      <ConnectedHeader params={params} />
+    </Suspense>
+  );
+}
+
+async function ConnectedHeader({ params }: { params: KafkaParams }) {
+  const cluster = await getKafkaCluster(params.kafkaId);
+  return (
+    <Header
+      total={cluster?.attributes.nodes.length || 0}
+      kafkaId={cluster?.id}
+      cruiseControlEnable={cluster?.attributes.cruiseControlEnabled || false}
+    />
+  );
+}
+
+function Header({
+  total,
+  kafkaId,
+  cruiseControlEnable,
+}: {
+  total?: number;
+  kafkaId: string | undefined;
+  cruiseControlEnable: boolean;
+}) {
+  return (
+    <AppHeader
+      title={
+        <Split hasGutter={true}>
+          <SplitItem>Brokers</SplitItem>
+          <SplitItem>
+            <Label
+              color={"green"}
+              icon={
+                total === undefined ? (
+                  <Spinner size={"sm"} />
+                ) : (
+                  <CheckCircleIcon />
+                )
+              }
+            >
+              {total && <Number value={total} />}
+            </Label>
+          </SplitItem>
+        </Split>
+      }
+      navigation={
+        <PageNavigation>
+          <Nav aria-label="Node navigation" variant="tertiary">
+            <NavList>
+              <NavItemLink url={`/kafka/${kafkaId}/nodes`}>
+                Overview
+              </NavItemLink>
+              {cruiseControlEnable && (
+                <NavItemLink url={`/kafka/${kafkaId}/nodes/rebalances`}>
+                  Rebalance
+                </NavItemLink>
+              )}
+            </NavList>
+          </Nav>
+        </PageNavigation>
+      }
+    />
+  );
+}