PMM-12840 PT Summary fix and migration (#704)

* PMM-12840 Move PT Summary to main repo

* PMM-12840 Fix code style issues

package.json

@@ -333,6 +333,7 @@
     "diff": "^5.1.0",
     "emotion": "11.0.0",
     "eventemitter3": "5.0.1",
+    "exponential-backoff": "^3.1.1",
     "fast-deep-equal": "^3.1.3",
     "fast-json-patch": "3.1.1",
     "file-saver": "2.0.5",

public/app/features/plugins/built_in_plugins.ts

@@ -41,6 +41,11 @@ const pyroscopePlugin = async () =>
   await import(/* webpackChunkName: "pyroscopePlugin" */ 'app/plugins/datasource/grafana-pyroscope-datasource/module');
 const parcaPlugin = async () =>
   await import(/* webpackChunkName: "parcaPlugin" */ 'app/plugins/datasource/parca/module');
+// @PERCONA
+const pmmPTSummaryDatasource = async () =>
+  await import(
+    /* webpackChunkName: "pmmPTSummaryDatasource" */ 'app/plugins/datasource/pmm-pt-summary-datasource/module'
+  );
 
 import * as alertGroupsPanel from 'app/plugins/panel/alertGroups/module';
 import * as alertListPanel from 'app/plugins/panel/alertlist/module';
@@ -62,6 +67,7 @@ import * as nodeGraph from 'app/plugins/panel/nodeGraph/module';
 import * as pieChartPanel from 'app/plugins/panel/piechart/module';
 // @PERCONA
 import * as pmmCheckPanel from 'app/plugins/panel/pmm-check/module';
+import * as pmmPTSummaryPanel from 'app/plugins/panel/pmm-pt-summary-panel/module';
 import * as pmmUpdatePanel from 'app/plugins/panel/pmm-update/module';
 import * as statPanel from 'app/plugins/panel/stat/module';
 import * as stateTimelinePanel from 'app/plugins/panel/state-timeline/module';
@@ -107,6 +113,8 @@ const builtInPlugins: Record<string, System.Module | (() => Promise<System.Modul
   'core:plugin/alertmanager': alertmanagerPlugin,
   'core:plugin/grafana-pyroscope-datasource': pyroscopePlugin,
   'core:plugin/parca': parcaPlugin,
+  // @PERCONA
+  'core:plugin/pmm-pt-summary-datasource': pmmPTSummaryDatasource,
   // panels
   'core:plugin/text': textPanel,
   'core:plugin/timeseries': timeseriesPanel,
@@ -144,6 +152,7 @@ const builtInPlugins: Record<string, System.Module | (() => Promise<System.Modul
   // @PERCONA
   'core:plugin/pmm-check': pmmCheckPanel,
   'core:plugin/pmm-update': pmmUpdatePanel,
+  'core:plugin/pmm-pt-summary-panel': pmmPTSummaryPanel,
 };
 
 export default builtInPlugins;

public/app/percona/shared/services/actions/Actions.service.ts

@@ -0,0 +1,9 @@
+import { apiManagement } from '../../helpers/api';
+
+import { ActionRequest, ActionResponse } from './Actions.types';
+
+export const ActionsService = {
+  getActionResult<T>(body: ActionRequest) {
+    return apiManagement.post<ActionResponse<T>, ActionRequest>('/Actions/Get', body);
+  },
+};

public/app/percona/shared/services/actions/Actions.types.ts

@@ -0,0 +1,15 @@
+export interface ActionResult<T = object> {
+  error: string;
+  loading: boolean;
+  value: T | null;
+}
+
+export interface ActionRequest {
+  action_id: string;
+}
+
+export interface ActionResponse<T = object> {
+  done: boolean;
+  error: string;
+  output: T;
+}

public/app/percona/shared/services/actions/Actions.utils.ts

@@ -0,0 +1,50 @@
+import { backOff } from 'exponential-backoff';
+
+import { ActionsService } from './Actions.service';
+import { ActionResult } from './Actions.types';
+
+const INTERVAL = 500;
+
+export const getActionResult = async <T>(actionId: string): Promise<ActionResult<T>> => {
+  const getData = async () => {
+    const result = await ActionsService.getActionResult<T>({
+      action_id: actionId,
+    });
+
+    if (!result.done && !result.error) {
+      throw Error('');
+    }
+
+    return result;
+  };
+
+  let requestResult;
+
+  try {
+    requestResult = await backOff(() => getData(), {
+      startingDelay: INTERVAL,
+      numOfAttempts: 10,
+      delayFirstAttempt: false,
+    });
+  } catch (e) {
+    return {
+      loading: false,
+      value: null,
+      error: 'Unknown error',
+    };
+  }
+
+  if (requestResult.error) {
+    return {
+      loading: false,
+      value: requestResult.output,
+      error: requestResult.error,
+    };
+  }
+
+  return {
+    loading: false,
+    value: requestResult.output,
+    error: '',
+  };
+};

public/app/plugins/datasource/pmm-pt-summary-datasource/PTSummary.service.ts

@@ -0,0 +1,33 @@
+import { getTemplateSrv } from '@grafana/runtime';
+import { apiManagement } from 'app/percona/shared/helpers/api';
+
+import { PTSummaryRequest, PTSummaryResponse, DatabaseSummaryRequest } from './PTSummary.types';
+
+export const PTSummaryService = {
+  async getPTSummary(variableName: string) {
+    const body: PTSummaryRequest = { node_id: getTemplateSrv().replace(`$${variableName || 'node_id'}`) };
+
+    return apiManagement.post<PTSummaryResponse, any>('/Actions/StartPTSummary', body, true);
+  },
+  async getMysqlPTSummary(variableName: string) {
+    const body: DatabaseSummaryRequest = {
+      service_id: getTemplateSrv().replace(`$${variableName || 'service_name'}`),
+    };
+
+    return apiManagement.post<PTSummaryResponse, any>('/Actions/StartPTMySQLSummary', body, true);
+  },
+  async getPostgresqlPTSummary(variableName: string) {
+    const body: DatabaseSummaryRequest = {
+      service_id: getTemplateSrv().replace(`$${variableName || 'service_name'}`),
+    };
+
+    return apiManagement.post<PTSummaryResponse, any>('/Actions/StartPTPgSummary', body, true);
+  },
+  async getMongodbPTSummary(variableName: string) {
+    const body: DatabaseSummaryRequest = {
+      service_id: getTemplateSrv().replace(`$${variableName || 'service-name'}`),
+    };
+
+    return apiManagement.post<PTSummaryResponse, any>('/Actions/StartPTMongoDBSummary', body, true);
+  },
+};

public/app/plugins/datasource/pmm-pt-summary-datasource/PTSummary.types.ts

@@ -0,0 +1,19 @@
+export interface PTSummaryRequest {
+  node_id: string;
+}
+
+export interface DatabaseSummaryRequest {
+  service_id: string;
+}
+
+export interface PTSummaryResponse {
+  action_id: string;
+  pmm_agent_id: string;
+}
+
+export enum DatasourceType {
+  postgresql = 'postgresql',
+  mongodb = 'mongodb',
+  mysql = 'mysql',
+  node = 'node',
+}

public/app/plugins/datasource/pmm-pt-summary-datasource/PTSummaryDataSource.test.ts

@@ -0,0 +1,99 @@
+import { FieldType, toDataFrame } from '@grafana/data';
+import { ActionResult } from 'app/percona/shared/services/actions/Actions.types';
+
+import { PTSummaryService } from './PTSummary.service';
+import { PTSummaryDataSource } from './PTSummaryDataSource';
+
+jest.mock('@grafana/runtime', () => ({
+  getTemplateSrv: () => ({
+    replace: () => 'node',
+  }),
+}));
+jest.mock('app/percona/shared/services/actions/Actions.utils', () => ({
+  getActionResult: async (): Promise<ActionResult<string>> =>
+    new Promise((resolve) => {
+      resolve({
+        loading: false,
+        value: 'Test data',
+        error: '',
+      });
+    }),
+}));
+
+describe('PTSummaryDatasource::', () => {
+  it('Returns correct data for Node summary', async () => {
+    const expected = {
+      data: [
+        toDataFrame({
+          fields: [{ name: 'summary', values: ['Test data'], type: FieldType.string }],
+        }),
+      ],
+    };
+    const instance = new PTSummaryDataSource({});
+
+    PTSummaryService.getPTSummary = jest.fn().mockResolvedValueOnce({ value: 'Test data' });
+
+    const result = await instance.query({
+      targets: [{ refId: 'A', queryType: { type: 'node', variableName: undefined } }],
+    } as any);
+
+    expect(result).toEqual(expected);
+  });
+
+  it('Returns correct data for MySQL summary', async () => {
+    const expected = {
+      data: [
+        toDataFrame({
+          fields: [{ name: 'summary', values: ['Test data'], type: FieldType.string }],
+        }),
+      ],
+    };
+    const instance = new PTSummaryDataSource({});
+
+    PTSummaryService.getMysqlPTSummary = jest.fn().mockResolvedValueOnce({ value: 'Test data' });
+
+    const result = await instance.query({
+      targets: [{ refId: 'A', queryType: { type: 'mysql', variableName: undefined } }],
+    } as any);
+
+    expect(result).toEqual(expected);
+  });
+
+  it('Returns correct data for MongoDB summary', async () => {
+    const expected = {
+      data: [
+        toDataFrame({
+          fields: [{ name: 'summary', values: ['Test data'], type: FieldType.string }],
+        }),
+      ],
+    };
+    const instance = new PTSummaryDataSource({});
+
+    PTSummaryService.getMongodbPTSummary = jest.fn().mockResolvedValueOnce({ value: 'Test data' });
+
+    const result = await instance.query({
+      targets: [{ refId: 'A', queryType: { type: 'mongodb', variableName: undefined } }],
+    } as any);
+
+    expect(result).toEqual(expected);
+  });
+
+  it('Returns correct data for PostgreSQL summary', async () => {
+    const expected = {
+      data: [
+        toDataFrame({
+          fields: [{ name: 'summary', values: ['Test data'], type: FieldType.string }],
+        }),
+      ],
+    };
+    const instance = new PTSummaryDataSource({});
+
+    PTSummaryService.getPostgresqlPTSummary = jest.fn().mockResolvedValueOnce({ value: 'Test data' });
+
+    const result = await instance.query({
+      targets: [{ refId: 'A', queryType: { type: 'postgresql', variableName: undefined } }],
+    } as any);
+
+    expect(result).toEqual(expected);
+  });
+});

public/app/plugins/datasource/pmm-pt-summary-datasource/PTSummaryDataSource.ts

@@ -0,0 +1,61 @@
+import { DataQueryResponse, DataSourceApi, toDataFrame, FieldType } from '@grafana/data';
+import { getActionResult } from 'app/percona/shared/services/actions/Actions.utils';
+
+import { PTSummaryService } from './PTSummary.service';
+import { DatasourceType, PTSummaryResponse } from './PTSummary.types';
+
+export class PTSummaryDataSource extends DataSourceApi {
+  constructor(instanceSettings: any) {
+    super(instanceSettings);
+  }
+
+  async query(options: any): Promise<DataQueryResponse> {
+    const { variableName, type } = options.targets[0]?.queryType || {};
+
+    const getRequest = (type: DatasourceType) => {
+      switch (type) {
+        case DatasourceType.node:
+          return PTSummaryService.getPTSummary(variableName);
+        case DatasourceType.mysql:
+          return PTSummaryService.getMysqlPTSummary(variableName);
+        case DatasourceType.mongodb:
+          return PTSummaryService.getMongodbPTSummary(variableName);
+        case DatasourceType.postgresql:
+          return PTSummaryService.getPostgresqlPTSummary(variableName);
+        default:
+          return PTSummaryService.getPTSummary(variableName);
+      }
+    };
+
+    return getRequest(type)
+      .then(async (response) => {
+        const result = await getActionResult<string>((response as PTSummaryResponse).action_id);
+
+        return this.newDataFrame(result.value ? result.value : result.error);
+      })
+      .catch((error) => this.newDataFrame(error.response.data.message));
+  }
+
+  async testDatasource() {
+    return {
+      status: 'success',
+      message: 'Success',
+    };
+  }
+
+  newDataFrame(value: string) {
+    return {
+      data: [
+        toDataFrame({
+          fields: [
+            {
+              name: 'summary',
+              values: [value],
+              type: FieldType.string,
+            },
+          ],
+        }),
+      ],
+    };
+  }
+}

public/app/plugins/datasource/pmm-pt-summary-datasource/QueryEditor/QueryEditor.constants.ts

@@ -0,0 +1,22 @@
+import { DatasourceType } from '../PTSummary.types';
+
+import { Messages } from './QueryEditor.messages';
+
+export const DATASOURCES = [
+  {
+    value: DatasourceType.node,
+    label: Messages.labels.nodePTSummary,
+  },
+  {
+    value: DatasourceType.mysql,
+    label: Messages.labels.mysqlPTSummary,
+  },
+  {
+    value: DatasourceType.postgresql,
+    label: Messages.labels.postgresqlPTSummary,
+  },
+  {
+    value: DatasourceType.mongodb,
+    label: Messages.labels.mongodbPTSummary,
+  },
+];

public/app/plugins/datasource/pmm-pt-summary-datasource/QueryEditor/QueryEditor.messages.ts

@@ -0,0 +1,15 @@
+export const Messages = {
+  labels: {
+    postgresqlPTSummary: 'PostgreSQL PT Summary',
+    mongodbPTSummary: 'MongoDB PT Summary',
+    mysqlPTSummary: 'MySQL PT Summary',
+    nodePTSummary: 'Node PT Summary',
+    field: {
+      datasourceType: 'Datasource type',
+      variableName: 'Grafana variable name',
+    },
+  },
+  placeholders: {
+    variableName: 'Variable name',
+  },
+};