Merge branch 'main' into test/uplot-config-builder

frontend/__mocks__/uplotMock.ts

@@ -12,6 +12,8 @@ export interface MockUPlotInstance {
 export interface MockUPlotPaths {
 	spline: jest.Mock;
 	bars: jest.Mock;
+	linear: jest.Mock;
+	stepped: jest.Mock;
 }
 
 // Create mock instance methods
@@ -23,10 +25,20 @@ const createMockUPlotInstance = (): MockUPlotInstance => ({
 	setSeries: jest.fn(),
 });
 
-// Create mock paths
-const mockPaths: MockUPlotPaths = {
-	spline: jest.fn(),
-	bars: jest.fn(),
+// Path builder: (self, seriesIdx, idx0, idx1) => paths or null
+const createMockPathBuilder = (): jest.Mock =>
+	jest.fn(() => ({
+		stroke: jest.fn(),
+		fill: jest.fn(),
+		clip: jest.fn(),
+	}));
+
+// Create mock paths - linear, spline, stepped needed by UPlotSeriesBuilder.getPathBuilder
+const mockPaths = {
+	spline: jest.fn(() => createMockPathBuilder()),
+	bars: jest.fn(() => createMockPathBuilder()),
+	linear: jest.fn(() => createMockPathBuilder()),
+	stepped: jest.fn((opts?: { align?: number }) => createMockPathBuilder()),
 };
 
 // Mock static methods

frontend/src/api/infraMonitoring/getHostLists.ts

@@ -39,7 +39,6 @@ export interface HostData {
 	waitTimeSeries: TimeSeries;
 	load15: number;
 	load15TimeSeries: TimeSeries;
-	filesystem: number;
 }
 
 export interface HostListResponse {

frontend/src/components/HostMetricsDetail/HostMetricsDetail.styles.scss

@@ -48,7 +48,7 @@
 			.labels-row,
 			.values-row {
 				display: grid;
-				grid-template-columns: 1fr 1.5fr 1.5fr 1.5fr 1.5fr;
+				grid-template-columns: 1fr 1.5fr 1.5fr 1.5fr;
 				gap: 30px;
 				align-items: center;
 			}

frontend/src/components/HostMetricsDetail/HostMetricsDetails.tsx

@@ -426,12 +426,6 @@ function HostMetricsDetails({
 								>
 									MEMORY USAGE
 								</Typography.Text>
-								<Typography.Text
-									type="secondary"
-									className="host-details-metadata-label"
-								>
-									DISK USAGE
-								</Typography.Text>
 							</div>
 
 							<div className="values-row">
@@ -484,23 +478,6 @@ function HostMetricsDetails({
 										className="progress-bar"
 									/>
 								</div>
-								<div className="progress-container">
-									<Progress
-										percent={Number((host.filesystem * 100).toFixed(1))}
-										size="small"
-										strokeColor={((): string => {
-											const filesystemPercent = Number((host.filesystem * 100).toFixed(1));
-											if (filesystemPercent >= 90) {
-												return Color.BG_CHERRY_500;
-											}
-											if (filesystemPercent >= 60) {
-												return Color.BG_AMBER_500;
-											}
-											return Color.BG_FOREST_500;
-										})()}
-										className="progress-bar"
-									/>
-								</div>
 							</div>
 						</div>
 					</div>

frontend/src/container/InfraMonitoringHosts/utils.tsx

@@ -27,7 +27,6 @@ export interface HostRowData {
 	hostName: string;
 	cpu: React.ReactNode;
 	memory: React.ReactNode;
-	filesystem: React.ReactNode;
 	wait: string;
 	load15: number;
 	active: React.ReactNode;
@@ -109,14 +108,6 @@ export const getHostsListColumns = (): ColumnType<HostRowData>[] => [
 		sorter: true,
 		align: 'right',
 	},
-	{
-		title: <div className="column-header-right">Disk Usage</div>,
-		dataIndex: 'filesystem',
-		key: 'filesystem',
-		width: 100,
-		sorter: true,
-		align: 'right',
-	},
 	{
 		title: <div className="column-header-right">IOWait</div>,
 		dataIndex: 'wait',
@@ -187,26 +178,6 @@ export const formatDataForTable = (data: HostData[]): HostRowData[] =>
 				/>
 			</div>
 		),
-		filesystem: (
-			<div className="progress-container">
-				<Progress
-					percent={Number((host.filesystem * 100).toFixed(1))}
-					strokeLinecap="butt"
-					size="small"
-					strokeColor={((): string => {
-						const filesystemPercent = Number((host.filesystem * 100).toFixed(1));
-						if (filesystemPercent >= 90) {
-							return Color.BG_CHERRY_500;
-						}
-						if (filesystemPercent >= 60) {
-							return Color.BG_AMBER_500;
-						}
-						return Color.BG_FOREST_500;
-					})()}
-					className="progress-bar"
-				/>
-			</div>
-		),
 		wait: `${Number((host.wait * 100).toFixed(1))}%`,
 		load15: host.load15,
 	}));

frontend/src/container/LogDetailedView/InfraMetrics/constants.ts

@@ -1623,9 +1623,6 @@ export const getHostQueryPayload = (
 	const diskPendingKey = dotMetricsEnabled
 		? 'system.disk.pending_operations'
 		: 'system_disk_pending_operations';
-	const fsUsageKey = dotMetricsEnabled
-		? 'system.filesystem.usage'
-		: 'system_filesystem_usage';
 
 	return [
 		{
@@ -2561,143 +2558,6 @@ export const getHostQueryPayload = (
 			start,
 			end,
 		},
-		{
-			selectedTime: 'GLOBAL_TIME',
-			graphType: PANEL_TYPES.TIME_SERIES,
-			query: {
-				builder: {
-					queryData: [
-						{
-							aggregateAttribute: {
-								dataType: DataTypes.Float64,
-								id: 'system_filesystem_usage--float64--Gauge--true',
-
-								key: fsUsageKey,
-								type: 'Gauge',
-							},
-							aggregateOperator: 'avg',
-							dataSource: DataSource.METRICS,
-							disabled: true,
-							expression: 'A',
-							filters: {
-								items: [
-									{
-										id: 'fs_f1',
-										key: {
-											dataType: DataTypes.String,
-											id: 'host_name--string--tag--false',
-
-											key: hostNameKey,
-											type: 'tag',
-										},
-										op: '=',
-										value: hostName,
-									},
-									{
-										id: 'fs_f2',
-										key: {
-											dataType: DataTypes.String,
-											id: 'state--string--tag--false',
-
-											key: 'state',
-											type: 'tag',
-										},
-										op: '=',
-										value: 'used',
-									},
-								],
-								op: 'AND',
-							},
-							functions: [],
-							groupBy: [
-								{
-									dataType: DataTypes.String,
-									id: 'mountpoint--string--tag--false',
-
-									key: 'mountpoint',
-									type: 'tag',
-								},
-							],
-							having: [],
-							legend: '{{mountpoint}}',
-							limit: null,
-							orderBy: [],
-							queryName: 'A',
-							reduceTo: ReduceOperators.AVG,
-							spaceAggregation: 'sum',
-							stepInterval: 60,
-							timeAggregation: 'avg',
-						},
-						{
-							aggregateAttribute: {
-								dataType: DataTypes.Float64,
-								id: 'system_filesystem_usage--float64--Gauge--true',
-
-								key: fsUsageKey,
-								type: 'Gauge',
-							},
-							aggregateOperator: 'avg',
-							dataSource: DataSource.METRICS,
-							disabled: true,
-							expression: 'B',
-							filters: {
-								items: [
-									{
-										id: 'fs_f3',
-										key: {
-											dataType: DataTypes.String,
-											id: 'host_name--string--tag--false',
-
-											key: hostNameKey,
-											type: 'tag',
-										},
-										op: '=',
-										value: hostName,
-									},
-								],
-								op: 'AND',
-							},
-							functions: [],
-							groupBy: [
-								{
-									dataType: DataTypes.String,
-									id: 'mountpoint--string--tag--false',
-
-									key: 'mountpoint',
-									type: 'tag',
-								},
-							],
-							having: [],
-							legend: '{{mountpoint}}',
-							limit: null,
-							orderBy: [],
-							queryName: 'B',
-							reduceTo: ReduceOperators.AVG,
-							spaceAggregation: 'sum',
-							stepInterval: 60,
-							timeAggregation: 'avg',
-						},
-					],
-					queryFormulas: [
-						{
-							disabled: false,
-							expression: 'A/B',
-							legend: '{{mountpoint}}',
-							queryName: 'F1',
-						},
-					],
-					queryTraceOperator: [],
-				},
-				clickhouse_sql: [{ disabled: false, legend: '', name: 'A', query: '' }],
-				id: 'a1b2c3d4-e5f6-7890-abcd-ef1234567890',
-				promql: [{ disabled: false, legend: '', name: 'A', query: '' }],
-				queryType: EQueryType.QUERY_BUILDER,
-			},
-			variables: {},
-			formatForWeb: false,
-			start,
-			end,
-		},
 	];
 };
 
@@ -2772,5 +2632,5 @@ export const hostWidgetInfo = [
 	{ title: 'System disk io (bytes transferred)', yAxisUnit: 'bytes' },
 	{ title: 'System disk operations/s', yAxisUnit: 'short' },
 	{ title: 'Queue size', yAxisUnit: 'short' },
-	{ title: 'Disk Usage', yAxisUnit: 'percentunit' },
+	{ title: 'Disk operations time', yAxisUnit: 's' },
 ];

frontend/src/lib/uPlotV2/config/__tests__/UPlotAxisBuilder.test.ts

@@ -0,0 +1,356 @@
+import { getToolTipValue } from 'components/Graph/yAxisConfig';
+import { PANEL_TYPES } from 'constants/queryBuilder';
+import { uPlotXAxisValuesFormat } from 'lib/uPlotLib/utils/constants';
+import getGridColor from 'lib/uPlotLib/utils/getGridColor';
+import type uPlot from 'uplot';
+
+import type { AxisProps } from '../types';
+import { UPlotAxisBuilder } from '../UPlotAxisBuilder';
+
+jest.mock('components/Graph/yAxisConfig', () => ({
+	getToolTipValue: jest.fn(),
+}));
+
+const createAxisProps = (overrides: Partial<AxisProps> = {}): AxisProps => ({
+	scaleKey: 'x',
+	label: 'Time',
+	isDarkMode: false,
+	show: true,
+	...overrides,
+});
+
+describe('UPlotAxisBuilder', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('builds basic axis config with defaults', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				label: 'Time',
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.scale).toBe('x');
+		expect(config.label).toBe('Time');
+		expect(config.show).toBe(true);
+		expect(config.side).toBe(2);
+		expect(config.gap).toBe(5);
+
+		// Default grid and ticks are created
+		expect(config.grid).toEqual({
+			stroke: getGridColor(false),
+			width: 0.2,
+			show: true,
+		});
+		expect(config.ticks).toEqual({
+			width: 0.3,
+			show: true,
+		});
+	});
+
+	it('merges custom grid config over defaults and respects isDarkMode and isLogScale', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				isDarkMode: true,
+				isLogScale: true,
+				grid: {
+					width: 1,
+				},
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.grid).toEqual({
+			// stroke falls back to theme-based default when not provided
+			stroke: getGridColor(true),
+			// provided width overrides default
+			width: 1,
+			// show falls back to default when not provided
+			show: true,
+		});
+	});
+
+	it('uses provided ticks config when present and falls back to defaults otherwise', () => {
+		const customTicks = { width: 1, show: false };
+		const withTicks = new UPlotAxisBuilder(
+			createAxisProps({
+				ticks: customTicks,
+			}),
+		);
+		const withoutTicks = new UPlotAxisBuilder(createAxisProps());
+
+		expect(withTicks.getConfig().ticks).toBe(customTicks);
+		expect(withoutTicks.getConfig().ticks).toEqual({
+			width: 0.3,
+			show: true,
+		});
+	});
+
+	it('uses time-based X-axis values formatter for time-series like panels', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.TIME_SERIES,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBe(uPlotXAxisValuesFormat);
+	});
+
+	it('does not attach X-axis datetime formatter when panel type is not supported', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.LIST, // not in PANEL_TYPES_WITH_X_AXIS_DATETIME_FORMAT
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBeUndefined();
+	});
+
+	it('builds Y-axis values formatter that delegates to getToolTipValue', () => {
+		const yBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+				yAxisUnit: 'ms',
+				decimalPrecision: 3,
+			}),
+		);
+
+		const config = yBuilder.getConfig();
+		expect(typeof config.values).toBe('function');
+
+		(getToolTipValue as jest.Mock).mockImplementation(
+			(value: string, unit?: string, precision?: unknown) =>
+				`formatted:${value}:${unit}:${precision}`,
+		);
+
+		// Simulate uPlot calling the values formatter
+		const valuesFn = (config.values as unknown) as (
+			self: uPlot,
+			vals: unknown[],
+		) => string[];
+		const result = valuesFn({} as uPlot, [1, null, 2, Number.NaN]);
+
+		expect(getToolTipValue).toHaveBeenCalledTimes(2);
+		expect(getToolTipValue).toHaveBeenNthCalledWith(1, '1', 'ms', 3);
+		expect(getToolTipValue).toHaveBeenNthCalledWith(2, '2', 'ms', 3);
+
+		// Null/NaN values should map to empty strings
+		expect(result).toEqual(['formatted:1:ms:3', '', 'formatted:2:ms:3', '']);
+	});
+
+	it('adds dynamic size calculator only for Y-axis when size is not provided', () => {
+		const yBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+			}),
+		);
+		const xBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+			}),
+		);
+
+		const yConfig = yBuilder.getConfig();
+		const xConfig = xBuilder.getConfig();
+
+		expect(typeof yConfig.size).toBe('function');
+		expect(xConfig.size).toBeUndefined();
+	});
+
+	it('uses explicit size function when provided', () => {
+		const sizeFn: uPlot.Axis.Size = jest.fn(() => 100) as uPlot.Axis.Size;
+
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+				size: sizeFn,
+			}),
+		);
+
+		const config = builder.getConfig();
+		expect(config.size).toBe(sizeFn);
+	});
+
+	it('builds stroke color based on stroke and isDarkMode', () => {
+		const explicitStroke = new UPlotAxisBuilder(
+			createAxisProps({
+				stroke: '#ff0000',
+			}),
+		);
+		const darkStroke = new UPlotAxisBuilder(
+			createAxisProps({
+				stroke: undefined,
+				isDarkMode: true,
+			}),
+		);
+		const lightStroke = new UPlotAxisBuilder(
+			createAxisProps({
+				stroke: undefined,
+				isDarkMode: false,
+			}),
+		);
+
+		expect(explicitStroke.getConfig().stroke).toBe('#ff0000');
+		expect(darkStroke.getConfig().stroke).toBe('white');
+		expect(lightStroke.getConfig().stroke).toBe('black');
+	});
+
+	it('uses explicit values formatter when provided', () => {
+		const customValues: uPlot.Axis.Values = jest.fn(() => ['a', 'b', 'c']);
+
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'y',
+				values: customValues,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBe(customValues);
+	});
+
+	it('returns undefined values for scaleKey neither x nor y', () => {
+		const builder = new UPlotAxisBuilder(createAxisProps({ scaleKey: 'custom' }));
+
+		const config = builder.getConfig();
+
+		expect(config.values).toBeUndefined();
+	});
+
+	it('omits stroke when stroke and isDarkMode are both undefined', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'custom',
+				stroke: undefined,
+				isDarkMode: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.stroke).toBeUndefined();
+	});
+
+	it('includes space in config when provided', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({ scaleKey: 'y', space: 50 }),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.space).toBe(50);
+	});
+
+	it('includes PANEL_TYPES.BAR and PANEL_TYPES.PIE in X-axis datetime formatter', () => {
+		const barBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.BAR,
+			}),
+		);
+		const pieBuilder = new UPlotAxisBuilder(
+			createAxisProps({
+				scaleKey: 'x',
+				panelType: PANEL_TYPES.PIE,
+			}),
+		);
+
+		expect(barBuilder.getConfig().values).toBe(uPlotXAxisValuesFormat);
+		expect(pieBuilder.getConfig().values).toBe(uPlotXAxisValuesFormat);
+	});
+
+	it('invokes Y-axis size calculator and delegates to getExistingAxisSize when cycleNum > 1', () => {
+		const builder = new UPlotAxisBuilder(createAxisProps({ scaleKey: 'y' }));
+
+		const config = builder.getConfig();
+		const sizeFn = config.size;
+		expect(typeof sizeFn).toBe('function');
+
+		const mockAxis = {
+			_size: 80,
+			ticks: { size: 10 },
+			font: ['12px sans-serif'],
+		};
+		const mockSelf = ({
+			axes: [mockAxis],
+			ctx: { measureText: jest.fn(() => ({ width: 60 })), font: '' },
+		} as unknown) as uPlot;
+
+		const result = (sizeFn as (
+			s: uPlot,
+			v: string[],
+			a: number,
+			c: number,
+		) => number)(
+			mockSelf,
+			['100', '200'],
+			0,
+			2, // cycleNum > 1
+		);
+
+		expect(result).toBe(80);
+	});
+
+	it('invokes Y-axis size calculator and computes from text width when cycleNum <= 1', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({ scaleKey: 'y', gap: 8 }),
+		);
+
+		const config = builder.getConfig();
+		const sizeFn = config.size;
+		expect(typeof sizeFn).toBe('function');
+
+		const mockAxis = {
+			ticks: { size: 12 },
+			font: ['12px sans-serif'],
+		};
+		const measureText = jest.fn(() => ({ width: 48 }));
+		const mockSelf = ({
+			axes: [mockAxis],
+			ctx: {
+				measureText,
+				get font() {
+					return '';
+				},
+				set font(_v: string) {
+					/* noop */
+				},
+			},
+		} as unknown) as uPlot;
+
+		const result = (sizeFn as (
+			s: uPlot,
+			v: string[],
+			a: number,
+			c: number,
+		) => number)(mockSelf, ['10', '2000ms'], 0, 0);
+
+		expect(measureText).toHaveBeenCalledWith('2000ms');
+		expect(result).toBeGreaterThanOrEqual(12 + 8);
+	});
+
+	it('merge updates axis props', () => {
+		const builder = new UPlotAxisBuilder(
+			createAxisProps({ scaleKey: 'y', label: 'Original' }),
+		);
+
+		builder.merge({ label: 'Merged', yAxisUnit: 'bytes' });
+
+		const config = builder.getConfig();
+
+		expect(config.label).toBe('Merged');
+		expect(config.values).toBeDefined();
+	});
+});

frontend/src/lib/uPlotV2/config/__tests__/UPlotConfigBuilder.test.ts

@@ -0,0 +1,331 @@
+import uPlot from 'uplot';
+
+import type { SeriesProps } from '../types';
+import { DrawStyle, SelectionPreferencesSource } from '../types';
+import { UPlotConfigBuilder } from '../UPlotConfigBuilder';
+
+// Mock only the real boundary that hits localStorage
+jest.mock(
+	'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils',
+	() => ({
+		getStoredSeriesVisibility: jest.fn(),
+	}),
+);
+
+const getStoredSeriesVisibilityMock = jest.requireMock(
+	'container/DashboardContainer/visualization/panels/utils/legendVisibilityUtils',
+) as {
+	getStoredSeriesVisibility: jest.Mock;
+};
+
+describe('UPlotConfigBuilder', () => {
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	const createSeriesProps = (
+		overrides: Partial<SeriesProps> = {},
+	): SeriesProps => ({
+		scaleKey: 'y',
+		label: 'Requests',
+		colorMapping: {},
+		drawStyle: DrawStyle.Line,
+		...overrides,
+	});
+
+	it('returns correct save selection preference flag from constructor args', () => {
+		const builder = new UPlotConfigBuilder({
+			shouldSaveSelectionPreference: true,
+		});
+
+		expect(builder.getShouldSaveSelectionPreference()).toBe(true);
+	});
+
+	it('returns widgetId from constructor args', () => {
+		const builder = new UPlotConfigBuilder({ widgetId: 'widget-123' });
+
+		expect(builder.getWidgetId()).toBe('widget-123');
+	});
+
+	it('sets tzDate from constructor and includes it in config', () => {
+		const tzDate = (ts: number): Date => new Date(ts);
+		const builder = new UPlotConfigBuilder({ tzDate });
+
+		const config = builder.getConfig();
+
+		expect(config.tzDate).toBe(tzDate);
+	});
+
+	it('does not call onDragSelect for click without drag (width === 0)', () => {
+		const onDragSelect = jest.fn();
+		const builder = new UPlotConfigBuilder({ onDragSelect });
+
+		const config = builder.getConfig();
+		const setSelectHooks = config.hooks?.setSelect ?? [];
+		expect(setSelectHooks.length).toBe(1);
+
+		const uplotInstance = ({
+			select: { left: 10, width: 0 },
+			posToVal: jest.fn(),
+		} as unknown) as uPlot;
+
+		// Simulate uPlot calling the hook
+		const setSelectHook = setSelectHooks[0];
+		expect(setSelectHook).toBeDefined();
+		if (!setSelectHook) {
+			throw new Error('Expected setSelect hook to be registered');
+		}
+		setSelectHook(uplotInstance);
+
+		expect(onDragSelect).not.toHaveBeenCalled();
+	});
+
+	it('calls onDragSelect with start and end times in milliseconds for a drag selection', () => {
+		const onDragSelect = jest.fn();
+		const builder = new UPlotConfigBuilder({ onDragSelect });
+
+		const config = builder.getConfig();
+		const setSelectHooks = config.hooks?.setSelect ?? [];
+		expect(setSelectHooks.length).toBe(1);
+
+		const posToVal = jest
+			.fn()
+			// left position
+			.mockReturnValueOnce(100)
+			// left + width
+			.mockReturnValueOnce(110);
+
+		const uplotInstance = ({
+			select: { left: 50, width: 20 },
+			posToVal,
+		} as unknown) as uPlot;
+
+		const setSelectHook = setSelectHooks[0];
+		expect(setSelectHook).toBeDefined();
+		if (!setSelectHook) {
+			throw new Error('Expected setSelect hook to be registered');
+		}
+		setSelectHook(uplotInstance);
+
+		expect(onDragSelect).toHaveBeenCalledTimes(1);
+		// 100 and 110 seconds converted to milliseconds
+		expect(onDragSelect).toHaveBeenCalledWith(100_000, 110_000);
+	});
+
+	it('adds and removes hooks via addHook, and exposes them through getConfig', () => {
+		const builder = new UPlotConfigBuilder();
+		const drawHook = jest.fn();
+
+		const remove = builder.addHook('draw', drawHook as uPlot.Hooks.Defs['draw']);
+
+		let config = builder.getConfig();
+		expect(config.hooks?.draw).toContain(drawHook);
+
+		// Remove and ensure it no longer appears in config
+		remove();
+		config = builder.getConfig();
+		expect(config.hooks?.draw ?? []).not.toContain(drawHook);
+	});
+
+	it('adds axes, scales, and series and wires them into the final config', () => {
+		const builder = new UPlotConfigBuilder();
+
+		// Add axis and scale
+		builder.addAxis({ scaleKey: 'y', label: 'Requests' });
+		builder.addScale({ scaleKey: 'y' });
+
+		// Add two series – legend indices should start from 1 (0 is the timestamp series)
+		builder.addSeries(createSeriesProps({ label: 'Requests' }));
+		builder.addSeries(createSeriesProps({ label: 'Errors' }));
+
+		const config = builder.getConfig();
+
+		// Axes
+		expect(config.axes).toHaveLength(1);
+		expect(config.axes?.[0].scale).toBe('y');
+
+		// Scales are returned as an object keyed by scaleKey
+		expect(config.scales).toBeDefined();
+		expect(Object.keys(config.scales ?? {})).toContain('y');
+
+		// Series: base timestamp + 2 data series
+		expect(config.series).toHaveLength(3);
+		// Base series (index 0) has a value formatter that returns empty string
+		const baseSeries = config.series?.[0] as { value?: () => string };
+		expect(typeof baseSeries?.value).toBe('function');
+		expect(baseSeries?.value?.()).toBe('');
+
+		// Legend items align with series and carry label and color from series config
+		const legendItems = builder.getLegendItems();
+		expect(Object.keys(legendItems)).toEqual(['1', '2']);
+		expect(legendItems[1].seriesIndex).toBe(1);
+		expect(legendItems[1].label).toBe('Requests');
+		expect(legendItems[2].label).toBe('Errors');
+	});
+
+	it('merges axis when addAxis is called twice with same scaleKey', () => {
+		const builder = new UPlotConfigBuilder();
+
+		builder.addAxis({ scaleKey: 'y', label: 'Requests' });
+		builder.addAxis({ scaleKey: 'y', label: 'Updated Label', show: false });
+
+		const config = builder.getConfig();
+
+		expect(config.axes).toHaveLength(1);
+		expect(config.axes?.[0].label).toBe('Updated Label');
+		expect(config.axes?.[0].show).toBe(false);
+	});
+
+	it('merges scale when addScale is called twice with same scaleKey', () => {
+		const builder = new UPlotConfigBuilder();
+
+		builder.addScale({ scaleKey: 'y', min: 0 });
+		builder.addScale({ scaleKey: 'y', max: 100 });
+
+		const config = builder.getConfig();
+
+		// Only one scale entry for 'y' (merge path used, no duplicate added)
+		expect(config.scales).toBeDefined();
+		expect(Object.keys(config.scales ?? {})).toEqual(['y']);
+		expect(config.scales?.y?.range).toBeDefined();
+	});
+
+	it('restores visibility state from localStorage when selectionPreferencesSource is LOCAL_STORAGE', () => {
+		const visibilityMap = new Map<string, boolean>([
+			['Requests', true],
+			['Errors', false],
+		]);
+
+		getStoredSeriesVisibilityMock.getStoredSeriesVisibility.mockReturnValue(
+			visibilityMap,
+		);
+
+		const builder = new UPlotConfigBuilder({
+			widgetId: 'widget-1',
+			selectionPreferencesSource: SelectionPreferencesSource.LOCAL_STORAGE,
+		});
+
+		builder.addSeries(createSeriesProps({ label: 'Requests' }));
+		builder.addSeries(createSeriesProps({ label: 'Errors' }));
+
+		const legendItems = builder.getLegendItems();
+
+		// When any series is hidden, legend visibility is driven by the stored map
+		expect(legendItems[1].show).toBe(true);
+		expect(legendItems[2].show).toBe(false);
+
+		const config = builder.getConfig();
+		const [, firstSeries, secondSeries] = config.series ?? [];
+
+		expect(firstSeries?.show).toBe(true);
+		expect(secondSeries?.show).toBe(false);
+	});
+
+	it('does not attempt to read stored visibility when using in-memory preferences', () => {
+		const builder = new UPlotConfigBuilder({
+			widgetId: 'widget-1',
+			selectionPreferencesSource: SelectionPreferencesSource.IN_MEMORY,
+		});
+
+		builder.addSeries(createSeriesProps({ label: 'Requests' }));
+
+		builder.getLegendItems();
+		builder.getConfig();
+
+		expect(
+			getStoredSeriesVisibilityMock.getStoredSeriesVisibility,
+		).not.toHaveBeenCalled();
+	});
+
+	it('adds thresholds only once per scale key', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const thresholdsOptions = {
+			scaleKey: 'y',
+			thresholds: [{ thresholdValue: 100 }],
+		};
+
+		builder.addThresholds(thresholdsOptions);
+		builder.addThresholds(thresholdsOptions);
+
+		const config = builder.getConfig();
+		const drawHooks = config.hooks?.draw ?? [];
+
+		// Only a single draw hook should be registered for the same scaleKey
+		expect(drawHooks.length).toBe(1);
+	});
+
+	it('merges cursor configuration with defaults instead of replacing them', () => {
+		const builder = new UPlotConfigBuilder();
+
+		builder.setCursor({
+			drag: { setScale: false },
+		});
+
+		const config = builder.getConfig();
+
+		expect(config.cursor?.drag?.setScale).toBe(false);
+		// Points configuration from DEFAULT_CURSOR_CONFIG should still be present
+		expect(config.cursor?.points).toBeDefined();
+	});
+
+	it('adds plugins and includes them in config', () => {
+		const builder = new UPlotConfigBuilder();
+		const plugin: uPlot.Plugin = {
+			opts: (): void => {},
+			hooks: {},
+		};
+
+		builder.addPlugin(plugin);
+
+		const config = builder.getConfig();
+
+		expect(config.plugins).toContain(plugin);
+	});
+
+	it('sets bands and includes them in config', () => {
+		const builder = new UPlotConfigBuilder();
+		const bands: uPlot.Band[] = [{ series: [1, 2], fill: (): string => '#000' }];
+
+		builder.setBands(bands);
+
+		const config = builder.getConfig();
+
+		expect(config.bands).toEqual(bands);
+	});
+
+	it('sets padding, legend, focus, select, tzDate and includes them in config', () => {
+		const tzDate = (ts: number): Date => new Date(ts);
+		const builder = new UPlotConfigBuilder();
+
+		builder.setPadding([10, 20, 30, 40]);
+		builder.setLegend({ show: true, live: true });
+		builder.setFocus({ alpha: 0.5 });
+		builder.setSelect({ left: 0, width: 0, top: 0, height: 0 });
+		builder.setTzDate(tzDate);
+
+		const config = builder.getConfig();
+
+		expect(config.padding).toEqual([10, 20, 30, 40]);
+		expect(config.legend).toEqual({ show: true, live: true });
+		expect(config.focus).toEqual({ alpha: 0.5 });
+		expect(config.select).toEqual({ left: 0, width: 0, top: 0, height: 0 });
+		expect(config.tzDate).toBe(tzDate);
+	});
+
+	it('does not include plugins when none added', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const config = builder.getConfig();
+
+		expect(config.plugins).toBeUndefined();
+	});
+
+	it('does not include bands when empty', () => {
+		const builder = new UPlotConfigBuilder();
+
+		const config = builder.getConfig();
+
+		expect(config.bands).toBeUndefined();
+	});
+});

frontend/src/lib/uPlotV2/config/__tests__/UPlotScaleBuilder.test.ts

@@ -0,0 +1,235 @@
+import type uPlot from 'uplot';
+
+import * as scaleUtils from '../../utils/scale';
+import type { ScaleProps } from '../types';
+import { DistributionType } from '../types';
+import { UPlotScaleBuilder } from '../UPlotScaleBuilder';
+
+const createScaleProps = (overrides: Partial<ScaleProps> = {}): ScaleProps => ({
+	scaleKey: 'y',
+	time: false,
+	auto: undefined,
+	min: undefined,
+	max: undefined,
+	softMin: undefined,
+	softMax: undefined,
+	distribution: DistributionType.Linear,
+	...overrides,
+});
+
+describe('UPlotScaleBuilder', () => {
+	const getFallbackMinMaxSpy = jest.spyOn(
+		scaleUtils,
+		'getFallbackMinMaxTimeStamp',
+	);
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	it('initializes softMin/softMax correctly when both are 0 (treated as unset)', () => {
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				softMin: 0,
+				softMax: 0,
+			}),
+		);
+
+		// Non-time scale so config path uses thresholds pipeline; we just care that
+		// adjustSoftLimitsWithThresholds receives null soft limits instead of 0/0.
+		const adjustSpy = jest.spyOn(scaleUtils, 'adjustSoftLimitsWithThresholds');
+
+		builder.getConfig();
+
+		expect(adjustSpy).toHaveBeenCalledWith(null, null, undefined, undefined);
+	});
+
+	it('handles time scales using explicit min/max and rounds max down to the previous minute', () => {
+		const min = 1_700_000_000; // seconds
+		const max = 1_700_000_600; // seconds
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'x',
+				time: true,
+				min,
+				max,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const xScale = config.x;
+
+		expect(xScale.time).toBe(true);
+		expect(xScale.auto).toBe(false);
+		expect(Array.isArray(xScale.range)).toBe(true);
+
+		const [resolvedMin, resolvedMax] = xScale.range as [number, number];
+
+		// min is passed through
+		expect(resolvedMin).toBe(min);
+
+		// max is coerced to "endTime - 1 minute" and rounded down to minute precision
+		const oneMinuteAgoTimestamp = (max - 60) * 1000;
+		const currentDate = new Date(oneMinuteAgoTimestamp);
+		currentDate.setSeconds(0);
+		currentDate.setMilliseconds(0);
+		const expectedMax = Math.floor(currentDate.getTime() / 1000);
+
+		expect(resolvedMax).toBe(expectedMax);
+	});
+
+	it('falls back to getFallbackMinMaxTimeStamp when time scale has no min/max', () => {
+		getFallbackMinMaxSpy.mockReturnValue({
+			fallbackMin: 100,
+			fallbackMax: 200,
+		});
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'x',
+				time: true,
+				min: undefined,
+				max: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const [resolvedMin, resolvedMax] = config.x.range as [number, number];
+
+		expect(getFallbackMinMaxSpy).toHaveBeenCalled();
+		expect(resolvedMin).toBe(100);
+		// max is aligned to "fallbackMax - 60 seconds" minute boundary
+		expect(resolvedMax).toBeLessThanOrEqual(200);
+		expect(resolvedMax).toBeGreaterThan(100);
+	});
+
+	it('pipes limits through soft-limit adjustment and log-scale normalization before range config', () => {
+		const adjustSpy = jest.spyOn(scaleUtils, 'adjustSoftLimitsWithThresholds');
+		const normalizeSpy = jest.spyOn(scaleUtils, 'normalizeLogScaleLimits');
+		const getRangeConfigSpy = jest.spyOn(scaleUtils, 'getRangeConfig');
+
+		const thresholds = {
+			scaleKey: 'y',
+			thresholds: [{ thresholdValue: 10 }],
+			yAxisUnit: 'ms',
+		};
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				softMin: 1,
+				softMax: 5,
+				min: 0,
+				max: 100,
+				distribution: DistributionType.Logarithmic,
+				thresholds,
+				logBase: 2,
+				padMinBy: 0.1,
+				padMaxBy: 0.2,
+			}),
+		);
+
+		builder.getConfig();
+
+		expect(adjustSpy).toHaveBeenCalledWith(1, 5, thresholds.thresholds, 'ms');
+		expect(normalizeSpy).toHaveBeenCalledWith({
+			distr: DistributionType.Logarithmic,
+			logBase: 2,
+			limits: {
+				min: 0,
+				max: 100,
+				softMin: expect.anything(),
+				softMax: expect.anything(),
+			},
+		});
+		expect(getRangeConfigSpy).toHaveBeenCalled();
+	});
+
+	it('computes distribution config for non-time scales and wires range function when range is not provided', () => {
+		const createRangeFnSpy = jest.spyOn(scaleUtils, 'createRangeFunction');
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'y',
+				time: false,
+				distribution: DistributionType.Linear,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		expect(createRangeFnSpy).toHaveBeenCalled();
+
+		// range should be a function when not provided explicitly
+		expect(typeof yScale.range).toBe('function');
+
+		// distribution config should be applied
+		expect(yScale.distr).toBeDefined();
+		expect(yScale.log).toBeDefined();
+	});
+
+	it('respects explicit range function when provided on props', () => {
+		const explicitRange: uPlot.Scale.Range = jest.fn(() => [
+			0,
+			10,
+		]) as uPlot.Scale.Range;
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'y',
+				range: explicitRange,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		expect(yScale.range).toBe(explicitRange);
+	});
+
+	it('derives auto flag when not explicitly provided, based on hasFixedRange and time', () => {
+		const getRangeConfigSpy = jest.spyOn(scaleUtils, 'getRangeConfig');
+
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				min: 0,
+				max: 100,
+				time: false,
+			}),
+		);
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		expect(getRangeConfigSpy).toHaveBeenCalled();
+		// For non-time scale with fixed min/max, hasFixedRange is true → auto should remain false
+		expect(yScale.auto).toBe(false);
+	});
+
+	it('merge updates internal min/max/soft limits while preserving other props', () => {
+		const builder = new UPlotScaleBuilder(
+			createScaleProps({
+				scaleKey: 'y',
+				min: 0,
+				max: 10,
+				softMin: 1,
+				softMax: 9,
+				time: false,
+			}),
+		);
+
+		builder.merge({
+			min: 2,
+			softMax: undefined,
+		});
+
+		const config = builder.getConfig();
+		const yScale = config.y;
+
+		// We can't read private fields directly, but we can assert that rangeConfig
+		// has been recomputed using the merged values by checking that createRangeFunction
+		// is still called without throwing and returns a working range function.
+		expect(typeof yScale.range).toBe('function');
+	});
+});

frontend/src/lib/uPlotV2/config/__tests__/UPlotSeriesBuilder.test.ts

@@ -0,0 +1,309 @@
+import { themeColors } from 'constants/theme';
+import uPlot from 'uplot';
+
+import type { SeriesProps } from '../types';
+import {
+	DrawStyle,
+	LineInterpolation,
+	LineStyle,
+	VisibilityMode,
+} from '../types';
+import { UPlotSeriesBuilder } from '../UPlotSeriesBuilder';
+
+const createBaseProps = (
+	overrides: Partial<SeriesProps> = {},
+): SeriesProps => ({
+	scaleKey: 'y',
+	label: 'Requests',
+	colorMapping: {},
+	drawStyle: DrawStyle.Line,
+	isDarkMode: false,
+	...overrides,
+});
+
+describe('UPlotSeriesBuilder', () => {
+	it('maps basic props into uPlot series config', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: 'Latency',
+				spanGaps: true,
+				show: false,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.scale).toBe('y');
+		expect(config.label).toBe('Latency');
+		expect(config.spanGaps).toBe(true);
+		expect(config.show).toBe(false);
+		expect(config.pxAlign).toBe(true);
+		expect(typeof config.value).toBe('function');
+	});
+
+	it('uses explicit lineColor when provided, regardless of mapping', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineColor: '#ff00ff',
+				colorMapping: { Requests: '#00ff00' },
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.stroke).toBe('#ff00ff');
+	});
+
+	it('falls back to theme colors when no label is provided', () => {
+		const darkBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: undefined,
+				isDarkMode: true,
+				lineColor: undefined,
+			}),
+		);
+		const lightBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: undefined,
+				isDarkMode: false,
+				lineColor: undefined,
+			}),
+		);
+
+		const darkConfig = darkBuilder.getConfig();
+		const lightConfig = lightBuilder.getConfig();
+
+		expect(darkConfig.stroke).toBe(themeColors.white);
+		expect(lightConfig.stroke).toBe(themeColors.black);
+	});
+
+	it('uses colorMapping when available and no explicit lineColor is provided', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: 'Requests',
+				colorMapping: { Requests: '#123456' },
+				lineColor: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.stroke).toBe('#123456');
+	});
+
+	it('passes through a custom pathBuilder when provided', () => {
+		const customPaths = (jest.fn() as unknown) as uPlot.Series.PathBuilder;
+
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				pathBuilder: customPaths,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.paths).toBe(customPaths);
+	});
+
+	it('disables line paths when drawStyle is Points, but still renders points', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Points,
+				pointSize: 4,
+				lineWidth: 2,
+				lineColor: '#aa00aa',
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(typeof config.paths).toBe('function');
+		expect(config.paths && config.paths({} as uPlot, 1, 0, 10)).toBeNull();
+
+		expect(config.points).toBeDefined();
+		expect(config.points?.stroke).toBe('#aa00aa');
+		expect(config.points?.fill).toBe('#aa00aa');
+		expect(config.points?.show).toBe(true);
+		expect(config.points?.size).toBe(4);
+	});
+
+	it('derives point size based on lineWidth and pointSize', () => {
+		const smallPointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineWidth: 4,
+				pointSize: 2,
+			}),
+		);
+		const largePointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineWidth: 2,
+				pointSize: 4,
+			}),
+		);
+
+		const smallConfig = smallPointsBuilder.getConfig();
+		const largeConfig = largePointsBuilder.getConfig();
+
+		expect(smallConfig.points?.size).toBeUndefined();
+		expect(largeConfig.points?.size).toBe(4);
+	});
+
+	it('uses pointsBuilder when provided instead of default visibility logic', () => {
+		const pointsBuilder: uPlot.Series.Points.Show = jest.fn(
+			() => true,
+		) as uPlot.Series.Points.Show;
+
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				pointsBuilder,
+				drawStyle: DrawStyle.Line,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.points?.show).toBe(pointsBuilder);
+	});
+
+	it('respects VisibilityMode for point visibility when no custom pointsBuilder is given', () => {
+		const neverPointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				showPoints: VisibilityMode.Never,
+			}),
+		);
+		const alwaysPointsBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				showPoints: VisibilityMode.Always,
+			}),
+		);
+
+		const neverConfig = neverPointsBuilder.getConfig();
+		const alwaysConfig = alwaysPointsBuilder.getConfig();
+
+		expect(neverConfig.points?.show).toBe(false);
+		expect(alwaysConfig.points?.show).toBe(true);
+	});
+
+	it('applies LineStyle.Dashed and lineCap to line config', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				lineStyle: LineStyle.Dashed,
+				lineCap: 'round' as CanvasLineCap,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.dash).toEqual([10, 10]);
+		expect(config.cap).toBe('round');
+	});
+
+	it('builds default paths for Line drawStyle and invokes the path builder', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.Linear,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(typeof config.paths).toBe('function');
+		const result = config.paths?.({} as uPlot, 1, 0, 10);
+		expect(result).toBeDefined();
+	});
+
+	it('uses StepBefore and StepAfter interpolation for line paths', () => {
+		const stepBeforeBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.StepBefore,
+			}),
+		);
+		const stepAfterBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.StepAfter,
+			}),
+		);
+
+		const stepBeforeConfig = stepBeforeBuilder.getConfig();
+		const stepAfterConfig = stepAfterBuilder.getConfig();
+
+		expect(typeof stepBeforeConfig.paths).toBe('function');
+		expect(typeof stepAfterConfig.paths).toBe('function');
+		expect(stepBeforeConfig.paths?.({} as uPlot, 1, 0, 5)).toBeDefined();
+		expect(stepAfterConfig.paths?.({} as uPlot, 1, 0, 5)).toBeDefined();
+	});
+
+	it('defaults to spline interpolation when lineInterpolation is Spline or undefined', () => {
+		const splineBuilder = new UPlotSeriesBuilder(
+			createBaseProps({
+				drawStyle: DrawStyle.Line,
+				lineInterpolation: LineInterpolation.Spline,
+			}),
+		);
+		const defaultBuilder = new UPlotSeriesBuilder(
+			createBaseProps({ drawStyle: DrawStyle.Line }),
+		);
+
+		const splineConfig = splineBuilder.getConfig();
+		const defaultConfig = defaultBuilder.getConfig();
+
+		expect(typeof splineConfig.paths).toBe('function');
+		expect(typeof defaultConfig.paths).toBe('function');
+	});
+
+	it('coerces non-boolean spanGaps to false', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({ spanGaps: undefined }),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.spanGaps).toBe(false);
+	});
+
+	it('preserves spanGaps true when provided as boolean', () => {
+		const builder = new UPlotSeriesBuilder(createBaseProps({ spanGaps: true }));
+
+		const config = builder.getConfig();
+
+		expect(config.spanGaps).toBe(true);
+	});
+
+	it('uses generateColor when label has no colorMapping and no lineColor', () => {
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				label: 'CustomSeries',
+				colorMapping: {},
+				lineColor: undefined,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.stroke).toBeDefined();
+		expect(typeof config.stroke).toBe('string');
+		expect((config.stroke as string).length).toBeGreaterThan(0);
+	});
+
+	it('passes through pointsFilter when provided', () => {
+		const pointsFilter: uPlot.Series.Points.Filter = jest.fn(
+			(_self, _seriesIdx, _show) => null,
+		);
+
+		const builder = new UPlotSeriesBuilder(
+			createBaseProps({
+				pointsFilter,
+				drawStyle: DrawStyle.Line,
+			}),
+		);
+
+		const config = builder.getConfig();
+
+		expect(config.points?.filter).toBe(pointsFilter);
+	});
+});

pkg/query-service/app/inframetrics/common.go

@@ -10,7 +10,6 @@ import (
 )
 
 var dotMetricMap = map[string]string{
-	"system_filesystem_usage":               "system.filesystem.usage",
 	"system_cpu_time":                       "system.cpu.time",
 	"system_memory_usage":                   "system.memory.usage",
 	"system_cpu_load_average_15m":           "system.cpu.load_average.15m",

pkg/query-service/app/inframetrics/hosts.go

@@ -2,7 +2,6 @@ package inframetrics
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 	"fmt"
 	"math"
@@ -54,11 +53,10 @@ var (
 	}
 
 	queryNamesForTopHosts = map[string][]string{
-		"cpu":        {"A", "B", "F1"},
-		"memory":     {"C", "D", "F2"},
-		"wait":       {"E", "F", "F3"},
-		"load15":     {"G"},
-		"filesystem": {"H", "I", "F4"},
+		"cpu":    {"A", "B", "F1"},
+		"memory": {"C", "D", "F2"},
+		"wait":   {"E", "F", "F3"},
+		"load15": {"G"},
 	}
 
 	// TODO(srikanthccv): remove hardcoded metric name and support keys from any system metric
@@ -69,11 +67,10 @@ var (
 		GetDotMetrics("os_type"),
 	}
 	metricNamesForHosts = map[string]string{
-		"cpu":        GetDotMetrics("system_cpu_time"),
-		"memory":     GetDotMetrics("system_memory_usage"),
-		"load15":     GetDotMetrics("system_cpu_load_average_15m"),
-		"wait":       GetDotMetrics("system_cpu_time"),
-		"filesystem": GetDotMetrics("system_filesystem_usage"),
+		"cpu":    GetDotMetrics("system_cpu_time"),
+		"memory": GetDotMetrics("system_memory_usage"),
+		"load15": GetDotMetrics("system_cpu_load_average_15m"),
+		"wait":   GetDotMetrics("system_cpu_time"),
 	}
 )
 
@@ -389,11 +386,6 @@ func (h *HostsRepo) IsSendingK8SAgentMetrics(ctx context.Context, req model.Host
 	return maps.Keys(clusterNames), maps.Keys(nodeNames), nil
 }
 
-func marshalInterface(inter any) string {
-	b, _ := json.Marshal(inter)
-	return string(b)
-}
-
 func (h *HostsRepo) GetHostList(ctx context.Context, orgID valuer.UUID, req model.HostListRequest) (model.HostListResponse, error) {
 	resp := model.HostListResponse{}
 
@@ -487,15 +479,11 @@ func (h *HostsRepo) GetHostList(ctx context.Context, orgID valuer.UUID, req mode
 		}
 	}
 
-	fmt.Println("======> printing query: ", marshalInterface(query.CompositeQuery.BuilderQueries))
-
 	queryResponse, _, err := h.querierV2.QueryRange(ctx, orgID, query)
 	if err != nil {
 		return resp, err
 	}
 
-	// fmt.Println("====> queryResponse:", marshalInterface(queryResponse))
-
 	formattedResponse, err := postprocess.PostProcessResult(queryResponse, query)
 	if err != nil {
 		return resp, err
@@ -506,11 +494,10 @@ func (h *HostsRepo) GetHostList(ctx context.Context, orgID valuer.UUID, req mode
 	for _, result := range formattedResponse {
 		for _, row := range result.Table.Rows {
 			record := model.HostListRecord{
-				CPU:        -1,
-				Memory:     -1,
-				Wait:       -1,
-				Load15:     -1,
-				Filesystem: -1,
+				CPU:    -1,
+				Memory: -1,
+				Wait:   -1,
+				Load15: -1,
 			}
 
 			if hostName, ok := row.Data[hostNameAttrKey].(string); ok {
@@ -529,9 +516,6 @@ func (h *HostsRepo) GetHostList(ctx context.Context, orgID valuer.UUID, req mode
 			if load15, ok := row.Data["G"].(float64); ok {
 				record.Load15 = load15
 			}
-			if filesystem, ok := row.Data["F4"].(float64); ok {
-				record.Filesystem = filesystem
-			}
 			record.Meta = map[string]string{}
 			if _, ok := hostAttrs[record.HostName]; ok {
 				record.Meta = hostAttrs[record.HostName]

pkg/query-service/app/inframetrics/hosts_query.go

@@ -269,130 +269,42 @@ var HostsTableListQuery = v3.QueryRangeParamsV3{
 					Items:    []v3.FilterItem{},
 				},
 			},
-		"G": {
-			QueryName:  "G",
-			DataSource: v3.DataSourceMetrics,
-			AggregateAttribute: v3.AttributeKey{
-				Key:      metricNamesForHosts["load15"],
-				DataType: v3.AttributeKeyDataTypeFloat64,
-			},
-			Temporality: v3.Unspecified,
-			Filters: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      hostNameAttrKey,
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeResource,
+			"G": {
+				QueryName:  "G",
+				DataSource: v3.DataSourceMetrics,
+				AggregateAttribute: v3.AttributeKey{
+					Key:      metricNamesForHosts["load15"],
+					DataType: v3.AttributeKeyDataTypeFloat64,
+				},
+				Temporality: v3.Unspecified,
+				Filters: &v3.FilterSet{
+					Operator: "AND",
+					Items: []v3.FilterItem{
+						{
+							Key: v3.AttributeKey{
+								Key:      hostNameAttrKey,
+								DataType: v3.AttributeKeyDataTypeString,
+								Type:     v3.AttributeKeyTypeResource,
+							},
+							Operator: v3.FilterOperatorNotContains,
+							Value:    agentNameToIgnore,
 						},
-						Operator: v3.FilterOperatorNotContains,
-						Value:    agentNameToIgnore,
 					},
 				},
-			},
-			GroupBy: []v3.AttributeKey{
-				{
-					Key:      hostNameAttrKey,
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeResource,
-				},
-			},
-			Expression:       "G",
-			ReduceTo:         v3.ReduceToOperatorAvg,
-			TimeAggregation:  v3.TimeAggregationAvg,
-			SpaceAggregation: v3.SpaceAggregationSum,
-			Disabled:         false,
-			Legend:           "CPU Load Average (15m)",
-		},
-		"H": {
-			QueryName:  "H",
-			DataSource: v3.DataSourceMetrics,
-			AggregateAttribute: v3.AttributeKey{
-				Key:      metricNamesForHosts["filesystem"],
-				DataType: v3.AttributeKeyDataTypeFloat64,
-			},
-			Temporality: v3.Cumulative,
-			Filters: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
+				GroupBy: []v3.AttributeKey{
 					{
-						Key: v3.AttributeKey{
-							Key:      "state",
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeTag,
-						},
-						Operator: v3.FilterOperatorEqual,
-						Value:    "used",
-					},
-					{
-						Key: v3.AttributeKey{
-							Key:      hostNameAttrKey,
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeResource,
-						},
-						Operator: v3.FilterOperatorNotContains,
-						Value:    agentNameToIgnore,
+						Key:      hostNameAttrKey,
+						DataType: v3.AttributeKeyDataTypeString,
+						Type:     v3.AttributeKeyTypeResource,
 					},
 				},
+				Expression:       "G",
+				ReduceTo:         v3.ReduceToOperatorAvg,
+				TimeAggregation:  v3.TimeAggregationAvg,
+				SpaceAggregation: v3.SpaceAggregationSum,
+				Disabled:         false,
+				Legend:           "CPU Load Average (15m)",
 			},
-			GroupBy: []v3.AttributeKey{
-				{
-					Key:      hostNameAttrKey,
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeResource,
-				},
-			},
-			Expression:       "H",
-			ReduceTo:         v3.ReduceToOperatorAvg,
-			TimeAggregation:  v3.TimeAggregationAvg,
-			SpaceAggregation: v3.SpaceAggregationSum,
-			Disabled:         true,
-		},
-		"I": {
-			QueryName:  "I",
-			DataSource: v3.DataSourceMetrics,
-			AggregateAttribute: v3.AttributeKey{
-				Key:      metricNamesForHosts["filesystem"],
-				DataType: v3.AttributeKeyDataTypeFloat64,
-			},
-			Temporality: v3.Cumulative,
-			Filters: &v3.FilterSet{
-				Operator: "AND",
-				Items: []v3.FilterItem{
-					{
-						Key: v3.AttributeKey{
-							Key:      hostNameAttrKey,
-							DataType: v3.AttributeKeyDataTypeString,
-							Type:     v3.AttributeKeyTypeResource,
-						},
-						Operator: v3.FilterOperatorNotContains,
-						Value:    agentNameToIgnore,
-					},
-				},
-			},
-			GroupBy: []v3.AttributeKey{
-				{
-					Key:      hostNameAttrKey,
-					DataType: v3.AttributeKeyDataTypeString,
-					Type:     v3.AttributeKeyTypeResource,
-				},
-			},
-			Expression:       "I",
-			ReduceTo:         v3.ReduceToOperatorAvg,
-			TimeAggregation:  v3.TimeAggregationAvg,
-			SpaceAggregation: v3.SpaceAggregationSum,
-			Disabled:         true,
-		},
-		"F4": {
-			QueryName:  "F4",
-			Expression: "H/I",
-			Legend:     "Disk Usage (%)",
-			Filters: &v3.FilterSet{
-				Operator: "AND",
-				Items:    []v3.FilterItem{},
-			},
-		},
 		},
 		PanelType: v3.PanelTypeTable,
 		QueryType: v3.QueryTypeBuilder,

pkg/query-service/model/infra.go

@@ -26,15 +26,14 @@ type HostListRequest struct {
 }
 
 type HostListRecord struct {
-	HostName   string            `json:"hostName"`
-	Active     bool              `json:"active"`
-	OS         string            `json:"os"`
-	CPU        float64           `json:"cpu"`
-	Memory     float64           `json:"memory"`
-	Wait       float64           `json:"wait"`
-	Load15     float64           `json:"load15"`
-	Filesystem float64           `json:"filesystem"`
-	Meta       map[string]string `json:"meta"`
+	HostName string            `json:"hostName"`
+	Active   bool              `json:"active"`
+	OS       string            `json:"os"`
+	CPU      float64           `json:"cpu"`
+	Memory   float64           `json:"memory"`
+	Wait     float64           `json:"wait"`
+	Load15   float64           `json:"load15"`
+	Meta     map[string]string `json:"meta"`
 }
 
 type HostListResponse struct {
@@ -65,10 +64,6 @@ func (r *HostListResponse) SortBy(orderBy *v3.OrderBy) {
 		sort.Slice(r.Records, func(i, j int) bool {
 			return r.Records[i].Wait > r.Records[j].Wait
 		})
-	case "filesystem":
-		sort.Slice(r.Records, func(i, j int) bool {
-			return r.Records[i].Filesystem > r.Records[j].Filesystem
-		})
 	}
 	// the default is descending
 	if orderBy.Order == v3.DirectionAsc {