chore: merged base branch

* chore: added phase counts feature

* chore: added queries for pod phase counts in custom group by

* chore: added unknown phase count

* fix: isPodUIDInGroupBy in buildPodRecords

* chore: 3 cte --> 2 cte

* chore: pod phase with local table of time series as counts

* chore: comment correction

* chore: corrected comment

* chore: value column for samples table added

* chore: removed query G for phase counts

* chore: rename variable

* chore: added PodPhaseNum constants to types

docs/api/openapi.yml

@@ -2474,6 +2474,97 @@ components:
       - requiredMetricsCheck
       - endTimeBeforeRetention
       type: object
+    InframonitoringtypesPodPhase:
+      enum:
+      - pending
+      - running
+      - succeeded
+      - failed
+      - unknown
+      - ""
+      type: string
+    InframonitoringtypesPodRecord:
+      properties:
+        failedPodCount:
+          type: integer
+        meta:
+          additionalProperties: {}
+          nullable: true
+          type: object
+        pendingPodCount:
+          type: integer
+        podAge:
+          format: int64
+          type: integer
+        podCPU:
+          format: double
+          type: number
+        podCPULimit:
+          format: double
+          type: number
+        podCPURequest:
+          format: double
+          type: number
+        podMemory:
+          format: double
+          type: number
+        podMemoryLimit:
+          format: double
+          type: number
+        podMemoryRequest:
+          format: double
+          type: number
+        podPhase:
+          $ref: '#/components/schemas/InframonitoringtypesPodPhase'
+        podUID:
+          type: string
+        runningPodCount:
+          type: integer
+        succeededPodCount:
+          type: integer
+        unknownPodCount:
+          type: integer
+      required:
+      - podUID
+      - podCPU
+      - podCPURequest
+      - podCPULimit
+      - podMemory
+      - podMemoryRequest
+      - podMemoryLimit
+      - podPhase
+      - pendingPodCount
+      - runningPodCount
+      - succeededPodCount
+      - failedPodCount
+      - unknownPodCount
+      - podAge
+      - meta
+      type: object
+    InframonitoringtypesPods:
+      properties:
+        endTimeBeforeRetention:
+          type: boolean
+        records:
+          items:
+            $ref: '#/components/schemas/InframonitoringtypesPodRecord'
+          nullable: true
+          type: array
+        requiredMetricsCheck:
+          $ref: '#/components/schemas/InframonitoringtypesRequiredMetricsCheck'
+        total:
+          type: integer
+        type:
+          $ref: '#/components/schemas/InframonitoringtypesResponseType'
+        warning:
+          $ref: '#/components/schemas/Querybuildertypesv5QueryWarnData'
+      required:
+      - type
+      - records
+      - total
+      - requiredMetricsCheck
+      - endTimeBeforeRetention
+      type: object
     InframonitoringtypesPostableHosts:
       properties:
         end:
@@ -2500,6 +2591,32 @@ components:
       - end
       - limit
       type: object
+    InframonitoringtypesPostablePods:
+      properties:
+        end:
+          format: int64
+          type: integer
+        filter:
+          $ref: '#/components/schemas/Querybuildertypesv5Filter'
+        groupBy:
+          items:
+            $ref: '#/components/schemas/Querybuildertypesv5GroupByKey'
+          nullable: true
+          type: array
+        limit:
+          type: integer
+        offset:
+          type: integer
+        orderBy:
+          $ref: '#/components/schemas/Querybuildertypesv5OrderBy'
+        start:
+          format: int64
+          type: integer
+      required:
+      - start
+      - end
+      - limit
+      type: object
     InframonitoringtypesRequiredMetricsCheck:
       properties:
         missingMetrics:
@@ -10886,7 +11003,9 @@ paths:
         five metrics, and pagination via offset/limit. The response type is ''list''
         for the default host.name grouping or ''grouped_list'' for custom groupBy
         keys. Also reports missing required metrics and whether the requested time
-        range falls before the data retention boundary.'
+        range falls before the data retention boundary. Numeric metric fields (cpu,
+        memory, wait, load15, diskUsage) return -1 as a sentinel when no data is available
+        for that field.'
       operationId: ListHosts
       requestBody:
         content:
@@ -10940,6 +11059,79 @@ paths:
       summary: List Hosts for Infra Monitoring
       tags:
       - inframonitoring
+  /api/v2/infra_monitoring/pods:
+    post:
+      deprecated: false
+      description: 'Returns a paginated list of Kubernetes pods with key metrics:
+        CPU usage, CPU request/limit utilization, memory working set, memory request/limit
+        utilization, current pod phase (pending/running/succeeded/failed/unknown),
+        and pod age (ms since start time). Each pod includes metadata attributes (namespace,
+        node, workload owner such as deployment/statefulset/daemonset/job/cronjob,
+        cluster). Supports filtering via a filter expression, custom groupBy to aggregate
+        pods by any attribute, ordering by any of the six metrics (cpu, cpu_request,
+        cpu_limit, memory, memory_request, memory_limit), and pagination via offset/limit.
+        The response type is ''list'' for the default k8s.pod.uid grouping (each row
+        is one pod with its current phase) or ''grouped_list'' for custom groupBy
+        keys (each row aggregates pods in the group with per-phase counts: pendingPodCount,
+        runningPodCount, succeededPodCount, failedPodCount, unknownPodCount derived
+        from each pod''s latest phase in the window). Also reports missing required
+        metrics and whether the requested time range falls before the data retention
+        boundary. Numeric metric fields (podCPU, podCPURequest, podCPULimit, podMemory,
+        podMemoryRequest, podMemoryLimit, podAge) return -1 as a sentinel when no
+        data is available for that field.'
+      operationId: ListPods
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/InframonitoringtypesPostablePods'
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                properties:
+                  data:
+                    $ref: '#/components/schemas/InframonitoringtypesPods'
+                  status:
+                    type: string
+                required:
+                - status
+                - data
+                type: object
+          description: OK
+        "400":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/RenderErrorResponse'
+          description: Bad Request
+        "401":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/RenderErrorResponse'
+          description: Unauthorized
+        "403":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/RenderErrorResponse'
+          description: Forbidden
+        "500":
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/RenderErrorResponse'
+          description: Internal Server Error
+      security:
+      - api_key:
+        - VIEWER
+      - tokenizer:
+        - VIEWER
+      summary: List Pods for Infra Monitoring
+      tags:
+      - inframonitoring
   /api/v2/livez:
     get:
       deprecated: false

frontend/src/api/generated/services/inframonitoring/index.ts

@@ -13,7 +13,9 @@ import type {
 
 import type {
 	InframonitoringtypesPostableHostsDTO,
+	InframonitoringtypesPostablePodsDTO,
 	ListHosts200,
+	ListPods200,
 	RenderErrorResponseDTO,
 } from '../sigNoz.schemas';
 
@@ -21,7 +23,7 @@ import { GeneratedAPIInstance } from '../../../generatedAPIInstance';
 import type { ErrorType, BodyType } from '../../../generatedAPIInstance';
 
 /**
- * Returns a paginated list of hosts with key infrastructure metrics: CPU usage (%), memory usage (%), I/O wait (%), disk usage (%), and 15-minute load average. Each host includes its current status (active/inactive based on metrics reported in the last 10 minutes) and metadata attributes (e.g., os.type). Supports filtering via a filter expression, filtering by host status, custom groupBy to aggregate hosts by any attribute, ordering by any of the five metrics, and pagination via offset/limit. The response type is 'list' for the default host.name grouping or 'grouped_list' for custom groupBy keys. Also reports missing required metrics and whether the requested time range falls before the data retention boundary.
+ * Returns a paginated list of hosts with key infrastructure metrics: CPU usage (%), memory usage (%), I/O wait (%), disk usage (%), and 15-minute load average. Each host includes its current status (active/inactive based on metrics reported in the last 10 minutes) and metadata attributes (e.g., os.type). Supports filtering via a filter expression, filtering by host status, custom groupBy to aggregate hosts by any attribute, ordering by any of the five metrics, and pagination via offset/limit. The response type is 'list' for the default host.name grouping or 'grouped_list' for custom groupBy keys. Also reports missing required metrics and whether the requested time range falls before the data retention boundary. Numeric metric fields (cpu, memory, wait, load15, diskUsage) return -1 as a sentinel when no data is available for that field.
  * @summary List Hosts for Infra Monitoring
  */
 export const listHosts = (
@@ -104,3 +106,87 @@ export const useListHosts = <
 
 	return useMutation(mutationOptions);
 };
+/**
+ * Returns a paginated list of Kubernetes pods with key metrics: CPU usage, CPU request/limit utilization, memory working set, memory request/limit utilization, current pod phase (pending/running/succeeded/failed/unknown), and pod age (ms since start time). Each pod includes metadata attributes (namespace, node, workload owner such as deployment/statefulset/daemonset/job/cronjob, cluster). Supports filtering via a filter expression, custom groupBy to aggregate pods by any attribute, ordering by any of the six metrics (cpu, cpu_request, cpu_limit, memory, memory_request, memory_limit), and pagination via offset/limit. The response type is 'list' for the default k8s.pod.uid grouping (each row is one pod with its current phase) or 'grouped_list' for custom groupBy keys (each row aggregates pods in the group with per-phase counts: pendingPodCount, runningPodCount, succeededPodCount, failedPodCount, unknownPodCount derived from each pod's latest phase in the window). Also reports missing required metrics and whether the requested time range falls before the data retention boundary. Numeric metric fields (podCPU, podCPURequest, podCPULimit, podMemory, podMemoryRequest, podMemoryLimit, podAge) return -1 as a sentinel when no data is available for that field.
+ * @summary List Pods for Infra Monitoring
+ */
+export const listPods = (
+	inframonitoringtypesPostablePodsDTO: BodyType<InframonitoringtypesPostablePodsDTO>,
+	signal?: AbortSignal,
+) => {
+	return GeneratedAPIInstance<ListPods200>({
+		url: `/api/v2/infra_monitoring/pods`,
+		method: 'POST',
+		headers: { 'Content-Type': 'application/json' },
+		data: inframonitoringtypesPostablePodsDTO,
+		signal,
+	});
+};
+
+export const getListPodsMutationOptions = <
+	TError = ErrorType<RenderErrorResponseDTO>,
+	TContext = unknown,
+>(options?: {
+	mutation?: UseMutationOptions<
+		Awaited<ReturnType<typeof listPods>>,
+		TError,
+		{ data: BodyType<InframonitoringtypesPostablePodsDTO> },
+		TContext
+	>;
+}): UseMutationOptions<
+	Awaited<ReturnType<typeof listPods>>,
+	TError,
+	{ data: BodyType<InframonitoringtypesPostablePodsDTO> },
+	TContext
+> => {
+	const mutationKey = ['listPods'];
+	const { mutation: mutationOptions } = options
+		? options.mutation &&
+			'mutationKey' in options.mutation &&
+			options.mutation.mutationKey
+			? options
+			: { ...options, mutation: { ...options.mutation, mutationKey } }
+		: { mutation: { mutationKey } };
+
+	const mutationFn: MutationFunction<
+		Awaited<ReturnType<typeof listPods>>,
+		{ data: BodyType<InframonitoringtypesPostablePodsDTO> }
+	> = (props) => {
+		const { data } = props ?? {};
+
+		return listPods(data);
+	};
+
+	return { mutationFn, ...mutationOptions };
+};
+
+export type ListPodsMutationResult = NonNullable<
+	Awaited<ReturnType<typeof listPods>>
+>;
+export type ListPodsMutationBody =
+	BodyType<InframonitoringtypesPostablePodsDTO>;
+export type ListPodsMutationError = ErrorType<RenderErrorResponseDTO>;
+
+/**
+ * @summary List Pods for Infra Monitoring
+ */
+export const useListPods = <
+	TError = ErrorType<RenderErrorResponseDTO>,
+	TContext = unknown,
+>(options?: {
+	mutation?: UseMutationOptions<
+		Awaited<ReturnType<typeof listPods>>,
+		TError,
+		{ data: BodyType<InframonitoringtypesPostablePodsDTO> },
+		TContext
+	>;
+}): UseMutationResult<
+	Awaited<ReturnType<typeof listPods>>,
+	TError,
+	{ data: BodyType<InframonitoringtypesPostablePodsDTO> },
+	TContext
+> => {
+	const mutationOptions = getListPodsMutationOptions(options);
+
+	return useMutation(mutationOptions);
+};

frontend/src/api/generated/services/sigNoz.schemas.ts

@@ -3243,6 +3243,108 @@ export interface InframonitoringtypesHostsDTO {
 	warning?: Querybuildertypesv5QueryWarnDataDTO;
 }
 
+export enum InframonitoringtypesPodPhaseDTO {
+	pending = 'pending',
+	running = 'running',
+	succeeded = 'succeeded',
+	failed = 'failed',
+	unknown = 'unknown',
+	'' = '',
+}
+/**
+ * @nullable
+ */
+export type InframonitoringtypesPodRecordDTOMeta = {
+	[key: string]: unknown;
+} | null;
+
+export interface InframonitoringtypesPodRecordDTO {
+	/**
+	 * @type integer
+	 */
+	failedPodCount: number;
+	/**
+	 * @type object
+	 * @nullable true
+	 */
+	meta: InframonitoringtypesPodRecordDTOMeta;
+	/**
+	 * @type integer
+	 */
+	pendingPodCount: number;
+	/**
+	 * @type integer
+	 * @format int64
+	 */
+	podAge: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	podCPU: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	podCPULimit: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	podCPURequest: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	podMemory: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	podMemoryLimit: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	podMemoryRequest: number;
+	podPhase: InframonitoringtypesPodPhaseDTO;
+	/**
+	 * @type string
+	 */
+	podUID: string;
+	/**
+	 * @type integer
+	 */
+	runningPodCount: number;
+	/**
+	 * @type integer
+	 */
+	succeededPodCount: number;
+	/**
+	 * @type integer
+	 */
+	unknownPodCount: number;
+}
+
+export interface InframonitoringtypesPodsDTO {
+	/**
+	 * @type boolean
+	 */
+	endTimeBeforeRetention: boolean;
+	/**
+	 * @type array
+	 * @nullable true
+	 */
+	records: InframonitoringtypesPodRecordDTO[] | null;
+	requiredMetricsCheck: InframonitoringtypesRequiredMetricsCheckDTO;
+	/**
+	 * @type integer
+	 */
+	total: number;
+	type: InframonitoringtypesResponseTypeDTO;
+	warning?: Querybuildertypesv5QueryWarnDataDTO;
+}
+
 export interface InframonitoringtypesPostableHostsDTO {
 	/**
 	 * @type integer
@@ -3271,6 +3373,34 @@ export interface InframonitoringtypesPostableHostsDTO {
 	start: number;
 }
 
+export interface InframonitoringtypesPostablePodsDTO {
+	/**
+	 * @type integer
+	 * @format int64
+	 */
+	end: number;
+	filter?: Querybuildertypesv5FilterDTO;
+	/**
+	 * @type array
+	 * @nullable true
+	 */
+	groupBy?: Querybuildertypesv5GroupByKeyDTO[] | null;
+	/**
+	 * @type integer
+	 */
+	limit: number;
+	/**
+	 * @type integer
+	 */
+	offset?: number;
+	orderBy?: Querybuildertypesv5OrderByDTO;
+	/**
+	 * @type integer
+	 * @format int64
+	 */
+	start: number;
+}
+
 export interface InframonitoringtypesRequiredMetricsCheckDTO {
 	/**
 	 * @type array
@@ -7350,6 +7480,14 @@ export type ListHosts200 = {
 	status: string;
 };
 
+export type ListPods200 = {
+	data: InframonitoringtypesPodsDTO;
+	/**
+	 * @type string
+	 */
+	status: string;
+};
+
 export type Livez200 = {
 	data: FactoryResponseDTO;
 	/**

frontend/src/container/FormAlertRules/ChartPreview/index.tsx

@@ -139,8 +139,8 @@ function ChartPreview({
 		if (startTime && endTime && startTime !== endTime) {
 			dispatch(
 				UpdateTimeInterval('custom', [
-					parseInt(getTimeString(startTime), 10),
-					parseInt(getTimeString(endTime), 10),
+					Number.parseInt(getTimeString(startTime), 10),
+					Number.parseInt(getTimeString(endTime), 10),
 				]),
 			);
 		}

frontend/src/container/FormAlertRules/index.tsx

@@ -370,7 +370,7 @@ function FormAlertRules({
 	// onQueryCategoryChange handles changes to query category
 	// in state as well as sets additional defaults
 	const onQueryCategoryChange = (val: EQueryType): void => {
-		const element = document.getElementById('top');
+		const element = document.querySelector('#top');
 		if (element) {
 			element.scrollIntoView({ behavior: 'smooth' });
 		}

frontend/src/container/MetricsExplorer/Explorer/Explorer.tsx

@@ -279,7 +279,7 @@ function Explorer(): JSX.Element {
 		[],
 	);
 
-	const [warning, setWarning] = useState<Warning | undefined>(undefined);
+	const [warning, setWarning] = useState<Warning | undefined>();
 
 	const oneChartPerQueryDisabledTooltip = useMemo(() => {
 		if (splitedQueries.length <= 1) {
@@ -291,7 +291,7 @@ function Explorer(): JSX.Element {
 		if (disableOneChartPerQuery) {
 			return 'One chart per query cannot be disabled for multiple queries with different units.';
 		}
-		return undefined;
+		return;
 	}, [disableOneChartPerQuery, splitedQueries.length, units.length]);
 
 	// Show the y axis unit selector if -

frontend/src/container/MetricsExplorer/Inspect/Inspect.tsx

@@ -217,7 +217,7 @@ function Inspect({
 			);
 		}
 
-		if (!inspectMetricsTimeSeries.length) {
+		if (inspectMetricsTimeSeries.length === 0) {
 			return renderFallback(
 				'inspect-metrics-empty',
 				<Empty description="No time series found for this metric to inspect." />,

frontend/src/container/MetricsExplorer/Inspect/useInspectMetrics.ts

@@ -254,10 +254,10 @@ export function useInspectMetrics(
 			const valuesMap = new Map<number, number>();
 
 			series.values.forEach(({ timestamp, value }) => {
-				valuesMap.set(timestamp, parseFloat(value));
+				valuesMap.set(timestamp, Number.parseFloat(value));
 			});
 
-			return timestamps.map((timestamp) => valuesMap.get(timestamp) ?? NaN);
+			return timestamps.map((timestamp) => valuesMap.get(timestamp) ?? Number.NaN);
 		});
 
 		const rawData = [timestamps, ...timeseriesArray];
@@ -271,7 +271,7 @@ export function useInspectMetrics(
 				labels.add(label);
 			});
 		});
-		return Array.from(labels);
+		return [...labels];
 	}, [inspectMetricsData]);
 
 	const reset = useCallback(() => {

frontend/src/hooks/queryBuilder/useGetQueryRange.ts

@@ -115,8 +115,8 @@ export const useGetQueryRange: UseGetQueryRange = (
 
 			const updatedQuery = updateBarStepInterval(
 				requestData.query,
-				requestData.start ? requestData.start * 1e3 : parseInt(start, 10) * 1e3,
-				requestData.end ? requestData.end * 1e3 : parseInt(end, 10) * 1e3,
+				requestData.start ? requestData.start * 1e3 : Number.parseInt(start, 10) * 1e3,
+				requestData.end ? requestData.end * 1e3 : Number.parseInt(end, 10) * 1e3,
 			);
 
 			return {

frontend/src/pages/LogsExplorer/index.tsx

@@ -98,7 +98,7 @@ function LogsExplorer(): JSX.Element {
 		setIsLoadingQueries(false);
 	}, [queryClient]);
 
-	const [warning, setWarning] = useState<Warning | undefined>(undefined);
+	const [warning, setWarning] = useState<Warning | undefined>();
 
 	const handleChangeSelectedView = useCallback(
 		(view: ExplorerViews, querySearchParameters?: ICurrentQueryData): void => {

frontend/src/pages/TracesExplorer/index.tsx

@@ -101,7 +101,7 @@ function TracesExplorer(): JSX.Element {
 		getExplorerViewFromUrl(searchParams, panelTypesFromUrl),
 	);
 
-	const [warning, setWarning] = useState<Warning | undefined>(undefined);
+	const [warning, setWarning] = useState<Warning | undefined>();
 	const [isOpen, setOpen] = useState<boolean>(true);
 
 	const defaultQuery = useMemo(

pkg/apiserver/signozapiserver/inframonitoring.go

@@ -16,7 +16,7 @@ func (provider *provider) addInfraMonitoringRoutes(router *mux.Router) error {
 			ID:                  "ListHosts",
 			Tags:                []string{"inframonitoring"},
 			Summary:             "List Hosts for Infra Monitoring",
-			Description:         "Returns a paginated list of hosts with key infrastructure metrics: CPU usage (%), memory usage (%), I/O wait (%), disk usage (%), and 15-minute load average. Each host includes its current status (active/inactive based on metrics reported in the last 10 minutes) and metadata attributes (e.g., os.type). Supports filtering via a filter expression, filtering by host status, custom groupBy to aggregate hosts by any attribute, ordering by any of the five metrics, and pagination via offset/limit. The response type is 'list' for the default host.name grouping or 'grouped_list' for custom groupBy keys. Also reports missing required metrics and whether the requested time range falls before the data retention boundary.",
+			Description:         "Returns a paginated list of hosts with key infrastructure metrics: CPU usage (%), memory usage (%), I/O wait (%), disk usage (%), and 15-minute load average. Each host includes its current status (active/inactive based on metrics reported in the last 10 minutes) and metadata attributes (e.g., os.type). Supports filtering via a filter expression, filtering by host status, custom groupBy to aggregate hosts by any attribute, ordering by any of the five metrics, and pagination via offset/limit. The response type is 'list' for the default host.name grouping or 'grouped_list' for custom groupBy keys. Also reports missing required metrics and whether the requested time range falls before the data retention boundary. Numeric metric fields (cpu, memory, wait, load15, diskUsage) return -1 as a sentinel when no data is available for that field.",
 			Request:             new(inframonitoringtypes.PostableHosts),
 			RequestContentType:  "application/json",
 			Response:            new(inframonitoringtypes.Hosts),
@@ -29,5 +29,42 @@ func (provider *provider) addInfraMonitoringRoutes(router *mux.Router) error {
 		return err
 	}
 
+	if err := router.Handle("/api/v2/infra_monitoring/pods", handler.New(
+		provider.authZ.ViewAccess(provider.infraMonitoringHandler.ListPods),
+		handler.OpenAPIDef{
+			ID:                  "ListPods",
+			Tags:                []string{"inframonitoring"},
+			Summary:             "List Pods for Infra Monitoring",
+			Description:         "Returns a paginated list of Kubernetes pods with key metrics: CPU usage, CPU request/limit utilization, memory working set, memory request/limit utilization, current pod phase (pending/running/succeeded/failed/unknown), and pod age (ms since start time). Each pod includes metadata attributes (namespace, node, workload owner such as deployment/statefulset/daemonset/job/cronjob, cluster). Supports filtering via a filter expression, custom groupBy to aggregate pods by any attribute, ordering by any of the six metrics (cpu, cpu_request, cpu_limit, memory, memory_request, memory_limit), and pagination via offset/limit. The response type is 'list' for the default k8s.pod.uid grouping (each row is one pod with its current phase) or 'grouped_list' for custom groupBy keys (each row aggregates pods in the group with per-phase counts: pendingPodCount, runningPodCount, succeededPodCount, failedPodCount, unknownPodCount derived from each pod's latest phase in the window). Also reports missing required metrics and whether the requested time range falls before the data retention boundary. Numeric metric fields (podCPU, podCPURequest, podCPULimit, podMemory, podMemoryRequest, podMemoryLimit, podAge) return -1 as a sentinel when no data is available for that field.",
+			Request:             new(inframonitoringtypes.PostablePods),
+			RequestContentType:  "application/json",
+			Response:            new(inframonitoringtypes.Pods),
+			ResponseContentType: "application/json",
+			SuccessStatusCode:   http.StatusOK,
+			ErrorStatusCodes:    []int{http.StatusBadRequest, http.StatusUnauthorized},
+			Deprecated:          false,
+			SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
+		})).Methods(http.MethodPost).GetError(); err != nil {
+		return err
+	}
+
+	if err := router.Handle("/api/v2/infra_monitoring/onboarding", handler.New(
+		provider.authZ.ViewAccess(provider.infraMonitoringHandler.GetOnboarding),
+		handler.OpenAPIDef{
+			ID:                  "GetOnboarding",
+			Tags:                []string{"inframonitoring"},
+			Summary:             "Get Onboarding Status for Infra Monitoring",
+			Description:         "Returns the per-tab readiness of the infra-monitoring section selected by the 'type' query parameter (hosts, processes, pods, nodes, deployments, daemonsets, statefulsets, jobs, namespaces, clusters, volumes). For each collector receiver or processor that contributes required metrics or attributes, lists what is present and what is missing, with a prebuilt user-facing message and a docs link per missing component. Default-enabled metrics are those expected as soon as the receiver is configured; optional metrics require 'enabled: true' in receiver config. 'ready' is true only when every missing list is empty.",
+			RequestQuery:        new(inframonitoringtypes.PostableOnboarding),
+			Response:            new(inframonitoringtypes.Onboarding),
+			ResponseContentType: "application/json",
+			SuccessStatusCode:   http.StatusOK,
+			ErrorStatusCodes:    []int{http.StatusBadRequest, http.StatusUnauthorized},
+			Deprecated:          false,
+			SecuritySchemes:     newSecuritySchemes(types.RoleViewer),
+		})).Methods(http.MethodGet).GetError(); err != nil {
+		return err
+	}
+
 	return nil
 }

pkg/modules/inframonitoring/implinframonitoring/handler.go

@@ -22,6 +22,30 @@ func NewHandler(m inframonitoring.Module) inframonitoring.Handler {
 	}
 }
 
+func (h *handler) GetOnboarding(rw http.ResponseWriter, req *http.Request) {
+	claims, err := authtypes.ClaimsFromContext(req.Context())
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	orgID := valuer.MustNewUUID(claims.OrgID)
+
+	var parsedReq inframonitoringtypes.PostableOnboarding
+	if err := binding.Query.BindQuery(req.URL.Query(), &parsedReq); err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	result, err := h.module.GetOnboarding(req.Context(), orgID, &parsedReq)
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	render.Success(rw, http.StatusOK, result)
+}
+
 func (h *handler) ListHosts(rw http.ResponseWriter, req *http.Request) {
 	claims, err := authtypes.ClaimsFromContext(req.Context())
 	if err != nil {
@@ -45,3 +69,27 @@ func (h *handler) ListHosts(rw http.ResponseWriter, req *http.Request) {
 
 	render.Success(rw, http.StatusOK, result)
 }
+
+func (h *handler) ListPods(rw http.ResponseWriter, req *http.Request) {
+	claims, err := authtypes.ClaimsFromContext(req.Context())
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	orgID := valuer.MustNewUUID(claims.OrgID)
+
+	var parsedReq inframonitoringtypes.PostablePods
+	if err := binding.JSON.BindBody(req.Body, &parsedReq); err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	result, err := h.module.ListPods(req.Context(), orgID, &parsedReq)
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	render.Success(rw, http.StatusOK, result)
+}

pkg/modules/inframonitoring/implinframonitoring/helpers.go

@@ -434,6 +434,57 @@ func (m *module) getMetricsExistenceAndEarliestTime(ctx context.Context, metricN
 	return missingMetrics, globalMinFirstReported, nil
 }
 
+// getAttributesExistence returns the subset of attrNames that are missing —
+// i.e. have never been reported as a label on any of the given metricNames.
+// Presence is checked against distributed_metadata without a time-range filter.
+func (m *module) getAttributesExistence(ctx context.Context, metricNames, attrNames []string) ([]string, error) {
+	if len(attrNames) == 0 {
+		return nil, nil
+	}
+	if len(metricNames) == 0 {
+		return nil, errors.NewInternalf(errors.CodeInternal, "getAttributesExistence: metricNames must not be empty")
+	}
+	sb := sqlbuilder.NewSelectBuilder()
+	sb.Select("attr_name", "count(*) AS cnt")
+	sb.From(fmt.Sprintf("%s.%s", telemetrymetrics.DBName, telemetrymetrics.AttributesMetadataTableName))
+	sb.Where(
+		sb.In("metric_name", sqlbuilder.List(metricNames)),
+		sb.In("attr_name", sqlbuilder.List(attrNames)),
+	)
+	sb.GroupBy("attr_name")
+
+	query, args := sb.BuildWithFlavor(sqlbuilder.ClickHouse)
+
+	rows, err := m.telemetryStore.ClickhouseDB().Query(ctx, query, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	present := make(map[string]bool, len(attrNames))
+	for rows.Next() {
+		var name string
+		var cnt uint64
+		if err := rows.Scan(&name, &cnt); err != nil {
+			return nil, err
+		}
+		if name != "" && cnt > 0 {
+			present[name] = true
+		}
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+
+	var missing []string
+	for _, a := range attrNames {
+		if !present[a] {
+			missing = append(missing, a)
+		}
+	}
+	return missing, nil
+}
+
 // getMetadata fetches the latest values of additionalCols for each unique combination of groupBy keys,
 // within the given time range and metric names. It uses argMax(tuple(...), unix_milli) to ensure
 // we always pick attribute values from the latest timestamp for each group.

pkg/modules/inframonitoring/implinframonitoring/internaltypes.go

@@ -1,5 +1,7 @@
 package implinframonitoring
 
+import "github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+
 // The types in this file are only used within the implinframonitoring package, and are not exposed outside.
 // They are primarily used for internal processing and structuring of data within the module's implementation.
 
@@ -14,3 +16,59 @@ type groupHostStatusCounts struct {
 	Active   int
 	Inactive int
 }
+
+// podPhaseCounts holds per-group pod counts bucketed by latest phase in window.
+type podPhaseCounts struct {
+	Pending   int
+	Running   int
+	Succeeded int
+	Failed    int
+	Unknown   int
+}
+
+// bucketSplit carries the up-to-six entries a single spec bucket contributes
+// to an onboarding response. Any field may be nil if the bucket doesn't
+// populate that dimension.
+type bucketSplit struct {
+	PresentDefault  *inframonitoringtypes.MetricsComponentEntry
+	PresentOptional *inframonitoringtypes.MetricsComponentEntry
+	PresentAttrs    *inframonitoringtypes.AttributesComponentEntry
+	MissingDefault  *inframonitoringtypes.MissingMetricsComponentEntry
+	MissingOptional *inframonitoringtypes.MissingMetricsComponentEntry
+	MissingAttrs    *inframonitoringtypes.MissingAttributesComponentEntry
+}
+
+// onboardingComponentBucket is a single collector component's contribution
+// toward a single infra-monitoring tab's readiness. Any of the three dimension
+// slices (DefaultMetrics, OptionalMetrics, RequiredAttrs) may be empty — the
+// bucketizer in Phase 4 skips empty dimensions.
+type onboardingComponentBucket struct {
+	Component         inframonitoringtypes.AssociatedComponent
+	DefaultMetrics    []string
+	OptionalMetrics   []string
+	RequiredAttrs     []string
+	DocumentationLink string
+}
+
+// onboardingSpec defines, for one OnboardingType, the full set of
+// component-scoped buckets that must be satisfied for the tab to be ready.
+type onboardingSpec struct {
+	Buckets []onboardingComponentBucket
+}
+
+func (s onboardingSpec) getAllMetrics() []string {
+	var out []string
+	for _, b := range s.Buckets {
+		out = append(out, b.DefaultMetrics...)
+		out = append(out, b.OptionalMetrics...)
+	}
+	return out
+}
+
+func (s onboardingSpec) getAllAttrs() []string {
+	var out []string
+	for _, b := range s.Buckets {
+		out = append(out, b.RequiredAttrs...)
+	}
+	return out
+}

pkg/modules/inframonitoring/implinframonitoring/module.go

@@ -47,6 +47,80 @@ func NewModule(
 	}
 }
 
+// GetOnboarding runs a per-type readiness check: for the requested
+// infra-monitoring tab, reports which required metrics and attributes are
+// present vs missing, grouped by the collector component that produces them.
+// Ready is true iff every missing list is empty.
+func (m *module) GetOnboarding(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableOnboarding) (*inframonitoringtypes.Onboarding, error) {
+	if err := req.Validate(); err != nil {
+		return nil, err
+	}
+
+	spec, err := getSpecForType(req.Type)
+	if err != nil {
+		return nil, err
+	}
+
+	allMetrics := spec.getAllMetrics()
+	allAttrs := spec.getAllAttrs()
+
+	missingMetricsList, _, err := m.getMetricsExistenceAndEarliestTime(ctx, allMetrics)
+	if err != nil {
+		return nil, err
+	}
+	missingMetricsMap := make(map[string]bool, len(missingMetricsList))
+	for _, name := range missingMetricsList {
+		missingMetricsMap[name] = true
+	}
+
+	missingAttrsList, err := m.getAttributesExistence(ctx, allMetrics, allAttrs)
+	if err != nil {
+		return nil, err
+	}
+	missingAttrsMap := make(map[string]bool, len(missingAttrsList))
+	for _, name := range missingAttrsList {
+		missingAttrsMap[name] = true
+	}
+
+	resp := &inframonitoringtypes.Onboarding{
+		Type:                         req.Type,
+		PresentDefaultEnabledMetrics: []inframonitoringtypes.MetricsComponentEntry{},
+		PresentOptionalMetrics:       []inframonitoringtypes.MetricsComponentEntry{},
+		PresentRequiredAttributes:    []inframonitoringtypes.AttributesComponentEntry{},
+		MissingDefaultEnabledMetrics: []inframonitoringtypes.MissingMetricsComponentEntry{},
+		MissingOptionalMetrics:       []inframonitoringtypes.MissingMetricsComponentEntry{},
+		MissingRequiredAttributes:    []inframonitoringtypes.MissingAttributesComponentEntry{},
+	}
+
+	for _, b := range spec.Buckets {
+		s := splitBucket(b, missingMetricsMap, missingAttrsMap)
+		if s.PresentDefault != nil {
+			resp.PresentDefaultEnabledMetrics = append(resp.PresentDefaultEnabledMetrics, *s.PresentDefault)
+		}
+		if s.PresentOptional != nil {
+			resp.PresentOptionalMetrics = append(resp.PresentOptionalMetrics, *s.PresentOptional)
+		}
+		if s.PresentAttrs != nil {
+			resp.PresentRequiredAttributes = append(resp.PresentRequiredAttributes, *s.PresentAttrs)
+		}
+		if s.MissingDefault != nil {
+			resp.MissingDefaultEnabledMetrics = append(resp.MissingDefaultEnabledMetrics, *s.MissingDefault)
+		}
+		if s.MissingOptional != nil {
+			resp.MissingOptionalMetrics = append(resp.MissingOptionalMetrics, *s.MissingOptional)
+		}
+		if s.MissingAttrs != nil {
+			resp.MissingRequiredAttributes = append(resp.MissingRequiredAttributes, *s.MissingAttrs)
+		}
+	}
+
+	resp.Ready = len(resp.MissingDefaultEnabledMetrics) == 0 &&
+		len(resp.MissingOptionalMetrics) == 0 &&
+		len(resp.MissingRequiredAttributes) == 0
+
+	return resp, nil
+}
+
 func (m *module) ListHosts(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableHosts) (*inframonitoringtypes.Hosts, error) {
 	if err := req.Validate(); err != nil {
 		return nil, err
@@ -159,3 +233,86 @@ func (m *module) ListHosts(ctx context.Context, orgID valuer.UUID, req *inframon
 
 	return resp, nil
 }
+
+func (m *module) ListPods(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostablePods) (*inframonitoringtypes.Pods, error) {
+	if err := req.Validate(); err != nil {
+		return nil, err
+	}
+
+	resp := &inframonitoringtypes.Pods{}
+
+	if req.OrderBy == nil {
+		req.OrderBy = &qbtypes.OrderBy{
+			Key: qbtypes.OrderByKey{
+				TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+					Name: inframonitoringtypes.PodsOrderByCPU,
+				},
+			},
+			Direction: qbtypes.OrderDirectionDesc,
+		}
+	}
+
+	if len(req.GroupBy) == 0 {
+		req.GroupBy = []qbtypes.GroupByKey{podUIDGroupByKey}
+		resp.Type = inframonitoringtypes.ResponseTypeList
+	} else {
+		resp.Type = inframonitoringtypes.ResponseTypeGroupedList
+	}
+
+	missingMetrics, minFirstReportedUnixMilli, err := m.getMetricsExistenceAndEarliestTime(ctx, podsTableMetricNamesList)
+	if err != nil {
+		return nil, err
+	}
+	if len(missingMetrics) > 0 {
+		resp.RequiredMetricsCheck = inframonitoringtypes.RequiredMetricsCheck{MissingMetrics: missingMetrics}
+		resp.Records = []inframonitoringtypes.PodRecord{}
+		resp.Total = 0
+		return resp, nil
+	}
+	if req.End < int64(minFirstReportedUnixMilli) {
+		resp.EndTimeBeforeRetention = true
+		resp.Records = []inframonitoringtypes.PodRecord{}
+		resp.Total = 0
+		return resp, nil
+	}
+	resp.RequiredMetricsCheck = inframonitoringtypes.RequiredMetricsCheck{MissingMetrics: []string{}}
+
+	metadataMap, err := m.getPodsTableMetadata(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+
+	resp.Total = len(metadataMap)
+
+	pageGroups, err := m.getTopPodGroups(ctx, orgID, req, metadataMap)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(pageGroups) == 0 {
+		resp.Records = []inframonitoringtypes.PodRecord{}
+		return resp, nil
+	}
+
+	filterExpr := ""
+	if req.Filter != nil {
+		filterExpr = req.Filter.Expression
+	}
+
+	fullQueryReq := buildFullQueryRequest(req.Start, req.End, filterExpr, req.GroupBy, pageGroups, m.newPodsTableListQuery())
+	queryResp, err := m.querier.QueryRange(ctx, orgID, fullQueryReq)
+	if err != nil {
+		return nil, err
+	}
+
+	phaseCounts, err := m.getPerGroupPodPhaseCounts(ctx, req, pageGroups)
+	if err != nil {
+		return nil, err
+	}
+
+	isPodUIDInGroupBy := isKeyInGroupByAttrs(req.GroupBy, podUIDAttrKey)
+	resp.Records = buildPodRecords(isPodUIDInGroupBy, queryResp, pageGroups, req.GroupBy, metadataMap, phaseCounts, req.End)
+	resp.Warning = queryResp.Warning
+
+	return resp, nil
+}

pkg/modules/inframonitoring/implinframonitoring/onboarding.go

@@ -0,0 +1,114 @@
+package implinframonitoring
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	"github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+)
+
+// splitBucket partitions one component bucket's metric and attribute lists
+// against the module-wide missing sets into up to six response entries.
+// Empty partitions are left nil so callers can skip them.
+func splitBucket(b onboardingComponentBucket, missingMetrics, missingAttrs map[string]bool) bucketSplit {
+	var s bucketSplit
+	presentDef, missDef := partitionList(b.DefaultMetrics, missingMetrics)
+	if len(presentDef) > 0 {
+		s.PresentDefault = &inframonitoringtypes.MetricsComponentEntry{
+			Metrics:             presentDef,
+			AssociatedComponent: b.Component,
+		}
+	}
+	if len(missDef) > 0 {
+		s.MissingDefault = &inframonitoringtypes.MissingMetricsComponentEntry{
+			MetricsComponentEntry: inframonitoringtypes.MetricsComponentEntry{
+				Metrics:             missDef,
+				AssociatedComponent: b.Component,
+			},
+			Message:           buildMissingDefaultMetricsMessage(missDef, b.Component.Name),
+			DocumentationLink: b.DocumentationLink,
+		}
+	}
+
+	presentOpt, missOpt := partitionList(b.OptionalMetrics, missingMetrics)
+	if len(presentOpt) > 0 {
+		s.PresentOptional = &inframonitoringtypes.MetricsComponentEntry{
+			Metrics:             presentOpt,
+			AssociatedComponent: b.Component,
+		}
+	}
+	if len(missOpt) > 0 {
+		s.MissingOptional = &inframonitoringtypes.MissingMetricsComponentEntry{
+			MetricsComponentEntry: inframonitoringtypes.MetricsComponentEntry{
+				Metrics:             missOpt,
+				AssociatedComponent: b.Component,
+			},
+			Message:           buildMissingOptionalMetricsMessage(missOpt, b.Component.Name),
+			DocumentationLink: b.DocumentationLink,
+		}
+	}
+
+	presentA, missA := partitionList(b.RequiredAttrs, missingAttrs)
+	if len(presentA) > 0 {
+		s.PresentAttrs = &inframonitoringtypes.AttributesComponentEntry{
+			Attributes:          presentA,
+			AssociatedComponent: b.Component,
+		}
+	}
+	if len(missA) > 0 {
+		s.MissingAttrs = &inframonitoringtypes.MissingAttributesComponentEntry{
+			AttributesComponentEntry: inframonitoringtypes.AttributesComponentEntry{
+				Attributes:          missA,
+				AssociatedComponent: b.Component,
+			},
+			Message:           buildMissingRequiredAttrsMessage(missA, b.Component.Name),
+			DocumentationLink: b.DocumentationLink,
+		}
+	}
+
+	return s
+}
+
+// getSpecForType returns the onboardingSpec for a given OnboardingType, or an error if the type is invalid.
+func getSpecForType(t inframonitoringtypes.OnboardingType) (*onboardingSpec, error) {
+	spec, ok := onboardingSpecs[t]
+	if !ok {
+		return nil, errors.NewInvalidInputf(errors.CodeInvalidInput, "no onboarding spec for type: %s", t)
+	}
+	return &spec, nil
+}
+
+// partitionList splits items into those NOT in `missing` and those in `missing`.
+// Preserves input order.
+func partitionList(items []string, missing map[string]bool) (present, miss []string) {
+	for _, x := range items {
+		if missing[x] {
+			miss = append(miss, x)
+		} else {
+			present = append(present, x)
+		}
+	}
+	return present, miss
+}
+
+func buildMissingDefaultMetricsMessage(metrics []string, componentName string) string {
+	return fmt.Sprintf(
+		"Missing default metrics %s from %s. Learn how to configure here.",
+		strings.Join(metrics, ", "), componentName,
+	)
+}
+
+func buildMissingOptionalMetricsMessage(metrics []string, componentName string) string {
+	return fmt.Sprintf(
+		"Missing optional metrics %s from %s. Learn how to enable here.",
+		strings.Join(metrics, ", "), componentName,
+	)
+}
+
+func buildMissingRequiredAttrsMessage(attrs []string, componentName string) string {
+	return fmt.Sprintf(
+		"Missing required attributes %s from %s. Learn how to configure here.",
+		strings.Join(attrs, ", "), componentName,
+	)
+}

pkg/modules/inframonitoring/implinframonitoring/onboarding_constants.go

@@ -0,0 +1,364 @@
+package implinframonitoring
+
+import "github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+
+// Component names — the 5 OTel collector receivers/processors that produce
+// metrics and resource attributes consumed by infra-monitoring tabs. Bare
+// strings on purpose (not wrapped enums) — the list is open-ended enough that
+// an enum adds more friction than value.
+const (
+	componentNameHostMetricsReceiver        = "hostmetricsreceiver"
+	componentNameKubeletStatsReceiver       = "kubeletstatsreceiver"
+	componentNameK8sClusterReceiver         = "k8sclusterreceiver"
+	componentNameResourceDetectionProcessor = "resourcedetectionprocessor"
+	componentNameK8sAttributesProcessor     = "k8sattributesprocessor"
+)
+
+// Documentation links — one per component. User-facing; emitted on missing-entries.
+const (
+	docLinkHostMetricsReceiver        = "https://signoz.io/docs/infrastructure-monitoring/hostmetrics/#step-2-configure-the-collector"
+	docLinkKubeletStatsReceiver       = "https://signoz.io/docs/infrastructure-monitoring/k8s-metrics/#setting-up-kubelet-stats-monitoring"
+	docLinkK8sClusterReceiver         = "https://signoz.io/docs/infrastructure-monitoring/k8s-metrics/#setting-up-k8s-cluster-monitoring"
+	docLinkResourceDetectionProcessor = "https://signoz.io/docs/infrastructure-monitoring/hostmetrics/#host-name-is-blankempty"
+	docLinkK8sAttributesProcessor     = "https://signoz.io/docs/infrastructure-monitoring/k8s-metrics/#2-enable-kubernetes-metadata"
+)
+
+var (
+	componentHostMetricsReceiver = inframonitoringtypes.AssociatedComponent{
+		Type: inframonitoringtypes.OnboardingComponentTypeReceiver,
+		Name: componentNameHostMetricsReceiver,
+	}
+	componentKubeletStatsReceiver = inframonitoringtypes.AssociatedComponent{
+		Type: inframonitoringtypes.OnboardingComponentTypeReceiver,
+		Name: componentNameKubeletStatsReceiver,
+	}
+	componentK8sClusterReceiver = inframonitoringtypes.AssociatedComponent{
+		Type: inframonitoringtypes.OnboardingComponentTypeReceiver,
+		Name: componentNameK8sClusterReceiver,
+	}
+	componentResourceDetectionProcessor = inframonitoringtypes.AssociatedComponent{
+		Type: inframonitoringtypes.OnboardingComponentTypeProcessor,
+		Name: componentNameResourceDetectionProcessor,
+	}
+	componentK8sAttributesProcessor = inframonitoringtypes.AssociatedComponent{
+		Type: inframonitoringtypes.OnboardingComponentTypeProcessor,
+		Name: componentNameK8sAttributesProcessor,
+	}
+)
+
+// onboardingSpecs is the single lookup table the module consults for a type's
+// readiness contract. Every OnboardingType value must have an entry here.
+var onboardingSpecs = map[inframonitoringtypes.OnboardingType]onboardingSpec{
+	inframonitoringtypes.OnboardingTypeHosts:        hostsSpec,
+	inframonitoringtypes.OnboardingTypeProcesses:    processesSpec,
+	inframonitoringtypes.OnboardingTypePods:         podsSpec,
+	inframonitoringtypes.OnboardingTypeNodes:        nodesSpec,
+	inframonitoringtypes.OnboardingTypeDeployments:  deploymentsSpec,
+	inframonitoringtypes.OnboardingTypeDaemonsets:   daemonsetsSpec,
+	inframonitoringtypes.OnboardingTypeStatefulsets: statefulsetsSpec,
+	inframonitoringtypes.OnboardingTypeJobs:         jobsSpec,
+	inframonitoringtypes.OnboardingTypeNamespaces:   namespacesSpec,
+	inframonitoringtypes.OnboardingTypeClusters:     clustersSpec,
+	inframonitoringtypes.OnboardingTypeVolumes:      volumesSpec,
+}
+
+// Per-type specs. Every metric and attribute is spelled out in its own spec
+// on purpose — no shared slices, no concatenation helpers. Repetition is
+// cheaper than indirection when auditing what each tab actually requires.
+
+var hostsSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentHostMetricsReceiver,
+			DefaultMetrics: []string{
+				"system.cpu.time",
+				"system.memory.usage",
+				"system.cpu.load_average.15m",
+				"system.filesystem.usage",
+			},
+			DocumentationLink: docLinkHostMetricsReceiver,
+		},
+		{
+			Component:         componentResourceDetectionProcessor,
+			RequiredAttrs:     []string{"host.name"},
+			DocumentationLink: docLinkResourceDetectionProcessor,
+		},
+	},
+}
+
+var processesSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentHostMetricsReceiver,
+			DefaultMetrics: []string{
+				"process.cpu.time",
+				"process.memory.usage",
+			},
+			RequiredAttrs:     []string{"process.pid"},
+			DocumentationLink: docLinkHostMetricsReceiver,
+		},
+	},
+}
+
+var podsSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.pod.cpu.usage",
+				"k8s.pod.memory.working_set",
+			},
+			OptionalMetrics: []string{
+				"k8s.pod.cpu_request_utilization",
+				"k8s.pod.cpu_limit_utilization",
+				"k8s.pod.memory_request_utilization",
+				"k8s.pod.memory_limit_utilization",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component:         componentK8sClusterReceiver,
+			DefaultMetrics:    []string{"k8s.pod.phase"},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.pod.uid"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var nodesSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.node.cpu.usage",
+				"k8s.node.memory.working_set",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component: componentK8sClusterReceiver,
+			DefaultMetrics: []string{
+				"k8s.node.allocatable_cpu",
+				"k8s.node.allocatable_memory", // k8s.node.allocatable_cpu and k8s.node.allocatable_memory are
+				// controlled by allocatable_types_to_report config option (Check // https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/4f9a578b210a6dcb9f9bf47942f27208b5765298/receiver/k8sclusterreceiver/metadata.yaml#L805-L806)
+				"k8s.node.condition_ready", // # k8s.node.condition_* metrics (k8s.node.condition_ready, k8s.node.condition_memory_pressure, etc) are controlled# by node_conditions_to_report config option.
+				//  By default, only k8s.node.condition_ready is enabled. (Check https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/4f9a578b210a6dcb9f9bf47942f27208b5765298/receiver/k8sclusterreceiver/metadata.yaml#L802)
+			},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.node.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var deploymentsSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.pod.cpu.usage",
+				"k8s.pod.memory.working_set",
+			},
+			OptionalMetrics: []string{
+				"k8s.pod.cpu_request_utilization",
+				"k8s.pod.cpu_limit_utilization",
+				"k8s.pod.memory_request_utilization",
+				"k8s.pod.memory_limit_utilization",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component: componentK8sClusterReceiver,
+			DefaultMetrics: []string{
+				"k8s.container.restarts",
+				"k8s.deployment.desired",
+				"k8s.deployment.available",
+			},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.deployment.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var daemonsetsSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.pod.cpu.usage",
+				"k8s.pod.memory.working_set",
+			},
+			OptionalMetrics: []string{
+				"k8s.pod.cpu_request_utilization",
+				"k8s.pod.cpu_limit_utilization",
+				"k8s.pod.memory_request_utilization",
+				"k8s.pod.memory_limit_utilization",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component: componentK8sClusterReceiver,
+			DefaultMetrics: []string{
+				"k8s.container.restarts",
+				"k8s.daemonset.desired_scheduled_nodes",
+				"k8s.daemonset.current_scheduled_nodes",
+			},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.daemonset.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var statefulsetsSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.pod.cpu.usage",
+				"k8s.pod.memory.working_set",
+			},
+			OptionalMetrics: []string{
+				"k8s.pod.cpu_request_utilization",
+				"k8s.pod.cpu_limit_utilization",
+				"k8s.pod.memory_request_utilization",
+				"k8s.pod.memory_limit_utilization",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component: componentK8sClusterReceiver,
+			DefaultMetrics: []string{
+				"k8s.container.restarts",
+				"k8s.statefulset.desired_pods",
+				"k8s.statefulset.current_pods",
+			},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.statefulset.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var jobsSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.pod.cpu.usage",
+				"k8s.pod.memory.working_set",
+			},
+			OptionalMetrics: []string{
+				"k8s.pod.cpu_request_utilization",
+				"k8s.pod.cpu_limit_utilization",
+				"k8s.pod.memory_request_utilization",
+				"k8s.pod.memory_limit_utilization",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component: componentK8sClusterReceiver,
+			DefaultMetrics: []string{
+				"k8s.container.restarts",
+				"k8s.job.desired_successful_pods",
+				"k8s.job.active_pods",
+				"k8s.job.failed_pods",
+				"k8s.job.successful_pods",
+			},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.job.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var namespacesSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.pod.cpu.usage",
+				"k8s.pod.memory.working_set",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component:         componentK8sClusterReceiver,
+			DefaultMetrics:    []string{"k8s.pod.phase"},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.namespace.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}
+
+var clustersSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.node.cpu.usage",
+				"k8s.node.memory.working_set",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component: componentK8sClusterReceiver,
+			DefaultMetrics: []string{
+				"k8s.node.allocatable_cpu",
+				"k8s.node.allocatable_memory", //k8s.node.allocatable_cpu and k8s.node.allocatable_memory are
+				// controlled by allocatable_types_to_report config option (Check // https://github.com/open-telemetry/opentelemetry-collector-contrib/blob/4f9a578b210a6dcb9f9bf47942f27208b5765298/receiver/k8sclusterreceiver/metadata.yaml#L805-L806)
+			},
+			DocumentationLink: docLinkK8sClusterReceiver,
+		},
+		{
+			Component:         componentResourceDetectionProcessor,
+			RequiredAttrs:     []string{"k8s.cluster.name"},
+			DocumentationLink: docLinkResourceDetectionProcessor,
+		},
+	},
+}
+
+var volumesSpec = onboardingSpec{
+	Buckets: []onboardingComponentBucket{
+		{
+			Component: componentKubeletStatsReceiver,
+			DefaultMetrics: []string{
+				"k8s.volume.available",
+				"k8s.volume.capacity",
+				"k8s.volume.inodes",
+				"k8s.volume.inodes.free",
+				"k8s.volume.inodes.used",
+			},
+			DocumentationLink: docLinkKubeletStatsReceiver,
+		},
+		{
+			Component:         componentK8sAttributesProcessor,
+			RequiredAttrs:     []string{"k8s.persistentvolumeclaim.name"},
+			DocumentationLink: docLinkK8sAttributesProcessor,
+		},
+	},
+}

pkg/modules/inframonitoring/implinframonitoring/onboarding_test.go

@@ -0,0 +1,246 @@
+package implinframonitoring
+
+import (
+	"testing"
+
+	"github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+	"github.com/stretchr/testify/require"
+)
+
+// Component used across splitBucket cases — it's a processor so the test
+// doesn't carry any receiver semantics.
+var testComponent = inframonitoringtypes.AssociatedComponent{
+	Type: inframonitoringtypes.OnboardingComponentTypeReceiver,
+	Name: "testreceiver",
+}
+
+const testDocLink = "https://example.com/docs"
+
+func TestSplitBucket(t *testing.T) {
+	type want struct {
+		presentDefault  []string
+		presentOptional []string
+		presentAttrs    []string
+		missingDefault  []string
+		missingOptional []string
+		missingAttrs    []string
+	}
+
+	tests := []struct {
+		name           string
+		bucket         onboardingComponentBucket
+		missingMetrics map[string]bool
+		missingAttrs   map[string]bool
+		want           want
+	}{
+		{
+			name:           "empty bucket — nothing to emit",
+			bucket:         onboardingComponentBucket{Component: testComponent, DocumentationLink: testDocLink},
+			missingMetrics: map[string]bool{},
+			missingAttrs:   map[string]bool{},
+			want:           want{},
+		},
+		{
+			name: "all default metrics present",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				DefaultMetrics:    []string{"m1", "m2"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{},
+			missingAttrs:   map[string]bool{},
+			want: want{
+				presentDefault: []string{"m1", "m2"},
+			},
+		},
+		{
+			name: "all default metrics missing",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				DefaultMetrics:    []string{"m1", "m2"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{"m1": true, "m2": true},
+			missingAttrs:   map[string]bool{},
+			want: want{
+				missingDefault: []string{"m1", "m2"},
+			},
+		},
+		{
+			name: "mixed default metrics",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				DefaultMetrics:    []string{"m1", "m2", "m3"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{"m2": true},
+			missingAttrs:   map[string]bool{},
+			want: want{
+				presentDefault: []string{"m1", "m3"},
+				missingDefault: []string{"m2"},
+			},
+		},
+		{
+			name: "only optional metrics — all missing",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				OptionalMetrics:   []string{"opt1", "opt2"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{"opt1": true, "opt2": true},
+			missingAttrs:   map[string]bool{},
+			want: want{
+				missingOptional: []string{"opt1", "opt2"},
+			},
+		},
+		{
+			name: "only required attrs — all present",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				RequiredAttrs:     []string{"a1", "a2"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{},
+			missingAttrs:   map[string]bool{},
+			want: want{
+				presentAttrs: []string{"a1", "a2"},
+			},
+		},
+		{
+			name: "only required attrs — all missing",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				RequiredAttrs:     []string{"a1"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{},
+			missingAttrs:   map[string]bool{"a1": true},
+			want: want{
+				missingAttrs: []string{"a1"},
+			},
+		},
+		{
+			name: "every dimension populated on both sides",
+			bucket: onboardingComponentBucket{
+				Component:         testComponent,
+				DefaultMetrics:    []string{"d1", "d2"},
+				OptionalMetrics:   []string{"o1", "o2"},
+				RequiredAttrs:     []string{"a1", "a2"},
+				DocumentationLink: testDocLink,
+			},
+			missingMetrics: map[string]bool{"d2": true, "o1": true},
+			missingAttrs:   map[string]bool{"a2": true},
+			want: want{
+				presentDefault:  []string{"d1"},
+				missingDefault:  []string{"d2"},
+				presentOptional: []string{"o2"},
+				missingOptional: []string{"o1"},
+				presentAttrs:    []string{"a1"},
+				missingAttrs:    []string{"a2"},
+			},
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := splitBucket(tt.bucket, tt.missingMetrics, tt.missingAttrs)
+
+			requireMetricsEntry(t, "presentDefault", got.PresentDefault, tt.want.presentDefault, false)
+			requireMetricsEntry(t, "presentOptional", got.PresentOptional, tt.want.presentOptional, false)
+			requireAttrsEntry(t, "presentAttrs", got.PresentAttrs, tt.want.presentAttrs, false)
+
+			requireMissingMetrics(t, "missingDefault", got.MissingDefault, tt.want.missingDefault)
+			requireMissingMetrics(t, "missingOptional", got.MissingOptional, tt.want.missingOptional)
+			requireMissingAttrs(t, "missingAttrs", got.MissingAttrs, tt.want.missingAttrs)
+		})
+	}
+}
+
+func TestPartitionList(t *testing.T) {
+	present, missing := partitionList(
+		[]string{"a", "b", "c", "d"},
+		map[string]bool{"b": true, "d": true},
+	)
+	require.Equal(t, []string{"a", "c"}, present)
+	require.Equal(t, []string{"b", "d"}, missing)
+}
+
+func TestMissingMessageTemplates(t *testing.T) {
+	require.Equal(t,
+		"Missing default metrics m1, m2 from comp. Learn how to configure here.",
+		buildMissingDefaultMetricsMessage([]string{"m1", "m2"}, "comp"),
+	)
+	require.Equal(t,
+		"Missing optional metrics m1 from comp. Learn how to enable here.",
+		buildMissingOptionalMetricsMessage([]string{"m1"}, "comp"),
+	)
+	require.Equal(t,
+		"Missing required attributes a1 from comp. Learn how to configure here.",
+		buildMissingRequiredAttrsMessage([]string{"a1"}, "comp"),
+	)
+	require.Equal(t,
+		"Missing required attributes a1, a2 from comp. Learn how to configure here.",
+		buildMissingRequiredAttrsMessage([]string{"a1", "a2"}, "comp"),
+	)
+}
+
+// TestOnboardingSpecs_CoverAllTypes ensures the spec map has an entry for
+// every OnboardingType — prevents silently shipping an onboarding type that
+// has no spec and would 500 at runtime.
+func TestOnboardingSpecs_CoverAllTypes(t *testing.T) {
+	for _, tp := range inframonitoringtypes.ValidOnboardingTypes {
+		_, ok := onboardingSpecs[tp]
+		require.True(t, ok, "missing onboarding spec for type %s", tp)
+	}
+	require.Len(t, onboardingSpecs, len(inframonitoringtypes.ValidOnboardingTypes))
+}
+
+// --- helpers ---
+
+func requireMetricsEntry(t *testing.T, name string, got *inframonitoringtypes.MetricsComponentEntry, wantMetrics []string, _ bool) {
+	t.Helper()
+	if len(wantMetrics) == 0 {
+		require.Nil(t, got, name)
+		return
+	}
+	require.NotNil(t, got, name)
+	require.Equal(t, wantMetrics, got.Metrics, name)
+	require.Equal(t, testComponent, got.AssociatedComponent, name)
+}
+
+func requireAttrsEntry(t *testing.T, name string, got *inframonitoringtypes.AttributesComponentEntry, wantAttrs []string, _ bool) {
+	t.Helper()
+	if len(wantAttrs) == 0 {
+		require.Nil(t, got, name)
+		return
+	}
+	require.NotNil(t, got, name)
+	require.Equal(t, wantAttrs, got.Attributes, name)
+	require.Equal(t, testComponent, got.AssociatedComponent, name)
+}
+
+func requireMissingMetrics(t *testing.T, name string, got *inframonitoringtypes.MissingMetricsComponentEntry, wantMetrics []string) {
+	t.Helper()
+	if len(wantMetrics) == 0 {
+		require.Nil(t, got, name)
+		return
+	}
+	require.NotNil(t, got, name)
+	require.Equal(t, wantMetrics, got.Metrics, name)
+	require.Equal(t, testComponent, got.AssociatedComponent, name)
+	require.NotEmpty(t, got.Message, name)
+	require.Equal(t, testDocLink, got.DocumentationLink, name)
+}
+
+func requireMissingAttrs(t *testing.T, name string, got *inframonitoringtypes.MissingAttributesComponentEntry, wantAttrs []string) {
+	t.Helper()
+	if len(wantAttrs) == 0 {
+		require.Nil(t, got, name)
+		return
+	}
+	require.NotNil(t, got, name)
+	require.Equal(t, wantAttrs, got.Attributes, name)
+	require.Equal(t, testComponent, got.AssociatedComponent, name)
+	require.NotEmpty(t, got.Message, name)
+	require.Equal(t, testDocLink, got.DocumentationLink, name)
+}

pkg/modules/inframonitoring/implinframonitoring/pods.go

@@ -0,0 +1,334 @@
+package implinframonitoring
+
+import (
+	"context"
+	"fmt"
+	"slices"
+	"strings"
+	"time"
+
+	"github.com/SigNoz/signoz/pkg/querybuilder"
+	"github.com/SigNoz/signoz/pkg/telemetrymetrics"
+	"github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+	"github.com/SigNoz/signoz/pkg/types/metrictypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/valuer"
+	"github.com/huandu/go-sqlbuilder"
+)
+
+// buildPodRecords assembles the page records. Phase counts come from
+// phaseCounts in both modes. In list mode (isPodUIDInGroupBy=true) each
+// group is one pod, so exactly one count is 1; PodPhase is derived from
+// which one. In grouped_list mode PodPhase stays PodPhaseNone.
+func buildPodRecords(
+	isPodUIDInGroupBy bool,
+	resp *qbtypes.QueryRangeResponse,
+	pageGroups []map[string]string,
+	groupBy []qbtypes.GroupByKey,
+	metadataMap map[string]map[string]string,
+	phaseCounts map[string]podPhaseCounts,
+	reqEnd int64,
+) []inframonitoringtypes.PodRecord {
+	metricsMap := parseFullQueryResponse(resp, groupBy)
+
+	records := make([]inframonitoringtypes.PodRecord, 0, len(pageGroups))
+	for _, labels := range pageGroups {
+		compositeKey := compositeKeyFromLabels(labels, groupBy)
+		podUID := labels[podUIDAttrKey]
+
+		record := inframonitoringtypes.PodRecord{ // initialize with default values
+			PodUID:           podUID,
+			PodPhase:         inframonitoringtypes.PodPhaseNone,
+			PodCPU:           -1,
+			PodCPURequest:    -1,
+			PodCPULimit:      -1,
+			PodMemory:        -1,
+			PodMemoryRequest: -1,
+			PodMemoryLimit:   -1,
+			PodAge:           -1,
+			Meta:             map[string]any{},
+		}
+
+		if metrics, ok := metricsMap[compositeKey]; ok {
+			if v, exists := metrics["A"]; exists {
+				record.PodCPU = v
+			}
+			if v, exists := metrics["B"]; exists {
+				record.PodCPURequest = v
+			}
+			if v, exists := metrics["C"]; exists {
+				record.PodCPULimit = v
+			}
+			if v, exists := metrics["D"]; exists {
+				record.PodMemory = v
+			}
+			if v, exists := metrics["E"]; exists {
+				record.PodMemoryRequest = v
+			}
+			if v, exists := metrics["F"]; exists {
+				record.PodMemoryLimit = v
+			}
+		}
+
+		if phaseCountsForGroup, ok := phaseCounts[compositeKey]; ok {
+			record.PendingPodCount = phaseCountsForGroup.Pending
+			record.RunningPodCount = phaseCountsForGroup.Running
+			record.SucceededPodCount = phaseCountsForGroup.Succeeded
+			record.FailedPodCount = phaseCountsForGroup.Failed
+			record.UnknownPodCount = phaseCountsForGroup.Unknown
+
+			// In list mode each group is one pod; the count==1 bucket identifies the phase.
+			if isPodUIDInGroupBy {
+				switch {
+				case phaseCountsForGroup.Pending == 1:
+					record.PodPhase = inframonitoringtypes.PodPhasePending
+				case phaseCountsForGroup.Running == 1:
+					record.PodPhase = inframonitoringtypes.PodPhaseRunning
+				case phaseCountsForGroup.Succeeded == 1:
+					record.PodPhase = inframonitoringtypes.PodPhaseSucceeded
+				case phaseCountsForGroup.Failed == 1:
+					record.PodPhase = inframonitoringtypes.PodPhaseFailed
+				case phaseCountsForGroup.Unknown == 1:
+					record.PodPhase = inframonitoringtypes.PodPhaseUnknown
+				}
+			}
+		}
+
+		if attrs, ok := metadataMap[compositeKey]; ok && isPodUIDInGroupBy {
+			// the condition above ensures we deduce age only if pod uid is in group by because if
+			// it's not in group by then we might have multiple pod uids in the same group and hence then podAge wont make sense
+			if startTimeStr, exists := attrs[podStartTimeAttrKey]; exists && startTimeStr != "" {
+				if t, err := time.Parse(time.RFC3339, startTimeStr); err == nil {
+					startTimeMs := t.UnixMilli()
+					if startTimeMs > 0 {
+						record.PodAge = reqEnd - startTimeMs
+					}
+				}
+			}
+			for k, v := range attrs {
+				record.Meta[k] = v
+			}
+		}
+
+		records = append(records, record)
+	}
+	return records
+}
+
+func (m *module) getTopPodGroups(
+	ctx context.Context,
+	orgID valuer.UUID,
+	req *inframonitoringtypes.PostablePods,
+	metadataMap map[string]map[string]string,
+) ([]map[string]string, error) {
+	orderByKey := req.OrderBy.Key.Name
+	queryNamesForOrderBy := orderByToPodsQueryNames[orderByKey]
+	rankingQueryName := queryNamesForOrderBy[len(queryNamesForOrderBy)-1]
+
+	topReq := &qbtypes.QueryRangeRequest{
+		Start:       uint64(req.Start),
+		End:         uint64(req.End),
+		RequestType: qbtypes.RequestTypeScalar,
+		CompositeQuery: qbtypes.CompositeQuery{
+			Queries: make([]qbtypes.QueryEnvelope, 0, len(queryNamesForOrderBy)),
+		},
+	}
+
+	for _, envelope := range m.newPodsTableListQuery().CompositeQuery.Queries {
+		if !slices.Contains(queryNamesForOrderBy, envelope.GetQueryName()) {
+			continue
+		}
+		copied := envelope
+		if copied.Type == qbtypes.QueryTypeBuilder {
+			existingExpr := ""
+			if f := copied.GetFilter(); f != nil {
+				existingExpr = f.Expression
+			}
+			reqFilterExpr := ""
+			if req.Filter != nil {
+				reqFilterExpr = req.Filter.Expression
+			}
+			merged := mergeFilterExpressions(existingExpr, reqFilterExpr)
+			copied.SetFilter(&qbtypes.Filter{Expression: merged})
+			copied.SetGroupBy(req.GroupBy)
+		}
+		topReq.CompositeQuery.Queries = append(topReq.CompositeQuery.Queries, copied)
+	}
+
+	resp, err := m.querier.QueryRange(ctx, orgID, topReq)
+	if err != nil {
+		return nil, err
+	}
+
+	allMetricGroups := parseAndSortGroups(resp, rankingQueryName, req.GroupBy, req.OrderBy.Direction)
+	return paginateWithBackfill(allMetricGroups, metadataMap, req.GroupBy, req.Offset, req.Limit), nil
+}
+
+func (m *module) getPodsTableMetadata(ctx context.Context, req *inframonitoringtypes.PostablePods) (map[string]map[string]string, error) {
+	var nonGroupByAttrs []string
+	for _, key := range podAttrKeysForMetadata {
+		if !isKeyInGroupByAttrs(req.GroupBy, key) {
+			nonGroupByAttrs = append(nonGroupByAttrs, key)
+		}
+	}
+	return m.getMetadata(ctx, podsTableMetricNamesList, req.GroupBy, nonGroupByAttrs, req.Filter, req.Start, req.End)
+}
+
+// getPerGroupPodPhaseCounts computes per-group pod counts bucketed by each
+// pod's latest phase in the requested window.
+// Pipeline:
+//
+//	timeSeriesFPs:      fp ↔ (pod_uid, groupBy cols) from the time_series table.
+//	                    User filter + page-groups filter applied here.
+//	latestPhasePerPod:  INNER JOIN samples × timeSeriesFPs, collapsed to
+//	                    the latest phase per pod via argMax(value, unix_milli).
+//	countPodsPerPhase:  per-group uniqExactIf into 5 phase buckets.
+//
+// Groups absent from the result map have implicit zero counts (caller default).
+func (m *module) getPerGroupPodPhaseCounts(
+	ctx context.Context,
+	req *inframonitoringtypes.PostablePods,
+	pageGroups []map[string]string,
+) (map[string]podPhaseCounts, error) {
+	if len(pageGroups) == 0 || len(req.GroupBy) == 0 {
+		return map[string]podPhaseCounts{}, nil
+	}
+
+	// Merged filter expression (user filter + page-groups IN clauses).
+	reqFilterExpr := ""
+	if req.Filter != nil {
+		reqFilterExpr = req.Filter.Expression
+	}
+	pageGroupsFilterExpr := buildPageGroupsFilterExpr(pageGroups)
+	filterExpr := mergeFilterExpressions(reqFilterExpr, pageGroupsFilterExpr)
+
+	// Resolve tables. Same convention as hosts (distributed names from helpers).
+	adjustedStart, adjustedEnd, _, localTimeSeriesTable := telemetrymetrics.WhichTSTableToUse(
+		uint64(req.Start), uint64(req.End), nil,
+	)
+	samplesTable := telemetrymetrics.WhichSamplesTableToUse(
+		uint64(req.Start), uint64(req.End),
+		metrictypes.UnspecifiedType, metrictypes.TimeAggregationUnspecified, nil,
+	)
+	valueCol := telemetrymetrics.ValueColumnForSamplesTable(samplesTable)
+
+	// ----- timeSeriesFPs -----
+	timeSeriesFPs := sqlbuilder.NewSelectBuilder()
+	timeSeriesFPsSelectCols := []string{
+		"fingerprint",
+		fmt.Sprintf("JSONExtractString(labels, %s) AS pod_uid", timeSeriesFPs.Var(podUIDAttrKey)),
+	}
+	for _, key := range req.GroupBy {
+		timeSeriesFPsSelectCols = append(timeSeriesFPsSelectCols,
+			fmt.Sprintf("JSONExtractString(labels, %s) AS %s", timeSeriesFPs.Var(key.Name), quoteIdentifier(key.Name)),
+		)
+	}
+	timeSeriesFPs.Select(timeSeriesFPsSelectCols...)
+	timeSeriesFPs.From(fmt.Sprintf("%s.%s", telemetrymetrics.DBName, localTimeSeriesTable))
+	timeSeriesFPs.Where(
+		timeSeriesFPs.E("metric_name", podPhaseMetricName),
+		timeSeriesFPs.GE("unix_milli", adjustedStart),
+		timeSeriesFPs.L("unix_milli", adjustedEnd),
+	)
+	if filterExpr != "" {
+		filterClause, err := m.buildFilterClause(ctx, &qbtypes.Filter{Expression: filterExpr}, req.Start, req.End)
+		if err != nil {
+			return nil, err
+		}
+		if filterClause != nil {
+			timeSeriesFPs.AddWhereClause(filterClause)
+		}
+	}
+	timeSeriesFPsGroupBy := []string{"fingerprint", "pod_uid"}
+	for _, key := range req.GroupBy {
+		timeSeriesFPsGroupBy = append(timeSeriesFPsGroupBy, quoteIdentifier(key.Name))
+	}
+	timeSeriesFPs.GroupBy(timeSeriesFPsGroupBy...)
+	timeSeriesFPsSQL, timeSeriesFPsArgs := timeSeriesFPs.BuildWithFlavor(sqlbuilder.ClickHouse)
+
+	latestPhasePerPod := sqlbuilder.NewSelectBuilder()
+	latestPhasePerPodSelectCols := []string{"tsfp.pod_uid AS pod_uid"}
+	latestPhasePerPodGroupBy := []string{"pod_uid"}
+	for _, key := range req.GroupBy {
+		col := quoteIdentifier(key.Name)
+		latestPhasePerPodSelectCols = append(latestPhasePerPodSelectCols, fmt.Sprintf("tsfp.%s AS %s", col, col))
+		latestPhasePerPodGroupBy = append(latestPhasePerPodGroupBy, col)
+	}
+	latestPhasePerPodSelectCols = append(latestPhasePerPodSelectCols,
+		fmt.Sprintf("argMax(samples.%s, samples.unix_milli) AS phase_value", valueCol),
+	)
+	latestPhasePerPod.Select(latestPhasePerPodSelectCols...)
+	latestPhasePerPod.From(fmt.Sprintf(
+		"%s.%s AS samples INNER JOIN time_series_fps AS tsfp ON samples.fingerprint = tsfp.fingerprint",
+		telemetrymetrics.DBName, samplesTable,
+	))
+	latestPhasePerPod.Where(
+		latestPhasePerPod.E("samples.metric_name", podPhaseMetricName),
+		latestPhasePerPod.GE("samples.unix_milli", req.Start),
+		latestPhasePerPod.L("samples.unix_milli", req.End),
+		"tsfp.pod_uid != ''",
+	)
+	latestPhasePerPod.GroupBy(latestPhasePerPodGroupBy...)
+	latestPhasePerPodSQL, latestPhasePerPodArgs := latestPhasePerPod.BuildWithFlavor(sqlbuilder.ClickHouse)
+
+	// ----- countPodsPerPhase (outer SELECT) -----
+	countPodsPerPhaseSelectCols := make([]string, 0, len(req.GroupBy)+5)
+	countPodsPerPhaseGroupBy := make([]string, 0, len(req.GroupBy))
+	for _, key := range req.GroupBy {
+		col := quoteIdentifier(key.Name)
+		countPodsPerPhaseSelectCols = append(countPodsPerPhaseSelectCols, col)
+		countPodsPerPhaseGroupBy = append(countPodsPerPhaseGroupBy, col)
+	}
+	countPodsPerPhaseSelectCols = append(countPodsPerPhaseSelectCols,
+		fmt.Sprintf("uniqExactIf(pod_uid, phase_value = %d) AS pending_count", inframonitoringtypes.PodPhaseNumPending),
+		fmt.Sprintf("uniqExactIf(pod_uid, phase_value = %d) AS running_count", inframonitoringtypes.PodPhaseNumRunning),
+		fmt.Sprintf("uniqExactIf(pod_uid, phase_value = %d) AS succeeded_count", inframonitoringtypes.PodPhaseNumSucceeded),
+		fmt.Sprintf("uniqExactIf(pod_uid, phase_value = %d) AS failed_count", inframonitoringtypes.PodPhaseNumFailed),
+		fmt.Sprintf("uniqExactIf(pod_uid, phase_value = %d) AS unknown_count", inframonitoringtypes.PodPhaseNumUnknown),
+	)
+	countPodsPerPhaseSQL := fmt.Sprintf(
+		"SELECT %s FROM latest_phase_per_pod GROUP BY %s",
+		strings.Join(countPodsPerPhaseSelectCols, ", "),
+		strings.Join(countPodsPerPhaseGroupBy, ", "),
+	)
+
+	// Combine CTEs + outer.
+	cteFragments := []string{
+		fmt.Sprintf("time_series_fps AS (%s)", timeSeriesFPsSQL),
+		fmt.Sprintf("latest_phase_per_pod AS (%s)", latestPhasePerPodSQL),
+	}
+	finalSQL := querybuilder.CombineCTEs(cteFragments) + countPodsPerPhaseSQL
+	finalArgs := querybuilder.PrependArgs([][]any{timeSeriesFPsArgs, latestPhasePerPodArgs}, nil)
+
+	rows, err := m.telemetryStore.ClickhouseDB().Query(ctx, finalSQL, finalArgs...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	result := make(map[string]podPhaseCounts)
+	for rows.Next() {
+		groupVals := make([]string, len(req.GroupBy))
+		scanPtrs := make([]any, 0, len(req.GroupBy)+5)
+		for i := range groupVals {
+			scanPtrs = append(scanPtrs, &groupVals[i])
+		}
+		var pending, running, succeeded, failed, unknown uint64
+		scanPtrs = append(scanPtrs, &pending, &running, &succeeded, &failed, &unknown)
+
+		if err := rows.Scan(scanPtrs...); err != nil {
+			return nil, err
+		}
+		result[compositeKeyFromList(groupVals)] = podPhaseCounts{
+			Pending:   int(pending),
+			Running:   int(running),
+			Succeeded: int(succeeded),
+			Failed:    int(failed),
+			Unknown:   int(unknown),
+		}
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return result, nil
+}

pkg/modules/inframonitoring/implinframonitoring/pods_constants.go

@@ -0,0 +1,178 @@
+package implinframonitoring
+
+import (
+	"github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+	"github.com/SigNoz/signoz/pkg/types/metrictypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+)
+
+const (
+	podUIDAttrKey       = "k8s.pod.uid"
+	podStartTimeAttrKey = "k8s.pod.start_time"
+	podPhaseMetricName  = "k8s.pod.phase"
+)
+
+var podUIDGroupByKey = qbtypes.GroupByKey{
+	TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+		Name:          podUIDAttrKey,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	},
+}
+
+var podsTableMetricNamesList = []string{
+	"k8s.pod.cpu.usage",
+	"k8s.pod.cpu_request_utilization",
+	"k8s.pod.cpu_limit_utilization",
+	"k8s.pod.memory.working_set",
+	"k8s.pod.memory_request_utilization",
+	"k8s.pod.memory_limit_utilization",
+	"k8s.pod.phase",
+}
+
+var podAttrKeysForMetadata = []string{
+	"k8s.pod.uid",
+	"k8s.pod.name",
+	"k8s.namespace.name",
+	"k8s.node.name",
+	"k8s.deployment.name",
+	"k8s.statefulset.name",
+	"k8s.daemonset.name",
+	"k8s.job.name",
+	"k8s.cronjob.name",
+	"k8s.cluster.name",
+	"k8s.pod.start_time",
+}
+
+var orderByToPodsQueryNames = map[string][]string{
+	inframonitoringtypes.PodsOrderByCPU:           {"A"},
+	inframonitoringtypes.PodsOrderByCPURequest:    {"B"},
+	inframonitoringtypes.PodsOrderByCPULimit:      {"C"},
+	inframonitoringtypes.PodsOrderByMemory:        {"D"},
+	inframonitoringtypes.PodsOrderByMemoryRequest: {"E"},
+	inframonitoringtypes.PodsOrderByMemoryLimit:   {"F"},
+}
+
+// newPodsTableListQuery builds the composite QB v5 request for the pods list.
+// Pod phase is derived separately via getPerGroupPodPhaseCounts (works for both
+// list and grouped_list modes), so no phase query is included here.
+func (m *module) newPodsTableListQuery() *qbtypes.QueryRangeRequest {
+	queries := []qbtypes.QueryEnvelope{
+		// Query A: CPU usage
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "A",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.pod.cpu.usage",
+						TimeAggregation:  metrictypes.TimeAggregationAvg,
+						SpaceAggregation: metrictypes.SpaceAggregationSum,
+						ReduceTo:         qbtypes.ReduceToAvg,
+					},
+				},
+				GroupBy:  []qbtypes.GroupByKey{podUIDGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query B: CPU request utilization
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "B",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.pod.cpu_request_utilization",
+						TimeAggregation:  metrictypes.TimeAggregationAvg,
+						SpaceAggregation: metrictypes.SpaceAggregationAvg,
+						ReduceTo:         qbtypes.ReduceToAvg,
+					},
+				},
+				GroupBy:  []qbtypes.GroupByKey{podUIDGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query C: CPU limit utilization
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "C",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.pod.cpu_limit_utilization",
+						TimeAggregation:  metrictypes.TimeAggregationAvg,
+						SpaceAggregation: metrictypes.SpaceAggregationAvg,
+						ReduceTo:         qbtypes.ReduceToAvg,
+					},
+				},
+				GroupBy:  []qbtypes.GroupByKey{podUIDGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query D: Memory working set
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "D",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.pod.memory.working_set",
+						TimeAggregation:  metrictypes.TimeAggregationAvg,
+						SpaceAggregation: metrictypes.SpaceAggregationSum,
+						ReduceTo:         qbtypes.ReduceToAvg,
+					},
+				},
+				GroupBy:  []qbtypes.GroupByKey{podUIDGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query E: Memory request utilization
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "E",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.pod.memory_request_utilization",
+						TimeAggregation:  metrictypes.TimeAggregationAvg,
+						SpaceAggregation: metrictypes.SpaceAggregationAvg,
+						ReduceTo:         qbtypes.ReduceToAvg,
+					},
+				},
+				GroupBy:  []qbtypes.GroupByKey{podUIDGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query F: Memory limit utilization
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "F",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.pod.memory_limit_utilization",
+						TimeAggregation:  metrictypes.TimeAggregationAvg,
+						SpaceAggregation: metrictypes.SpaceAggregationAvg,
+						ReduceTo:         qbtypes.ReduceToAvg,
+					},
+				},
+				GroupBy:  []qbtypes.GroupByKey{podUIDGroupByKey},
+				Disabled: false,
+			},
+		},
+	}
+
+	return &qbtypes.QueryRangeRequest{
+		RequestType: qbtypes.RequestTypeScalar,
+		CompositeQuery: qbtypes.CompositeQuery{
+			Queries: queries,
+		},
+	}
+}

pkg/modules/inframonitoring/inframonitoring.go

@@ -10,8 +10,12 @@ import (
 
 type Handler interface {
 	ListHosts(http.ResponseWriter, *http.Request)
+	ListPods(http.ResponseWriter, *http.Request)
+	GetOnboarding(http.ResponseWriter, *http.Request)
 }
 
 type Module interface {
 	ListHosts(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableHosts) (*inframonitoringtypes.Hosts, error)
+	ListPods(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostablePods) (*inframonitoringtypes.Pods, error)
+	GetOnboarding(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableOnboarding) (*inframonitoringtypes.Onboarding, error)
 }

pkg/telemetrymetrics/tables.go

@@ -124,6 +124,17 @@ func CountExpressionForSamplesTable(tableName string) string {
 	return "sum(count)"
 }
 
+// ValueColumnForSamplesTable returns the column name holding the sample value:
+// "last" for the 5m/30m aggregated tables, "value" otherwise.
+// note all the other columns in the aggregated samples tables are nothing but aggregations.
+// and so "last" is the value column for these tables.
+func ValueColumnForSamplesTable(tableName string) string {
+	if tableName == SamplesV4Agg5mTableName || tableName == SamplesV4Agg30mTableName {
+		return "last"
+	}
+	return "value"
+}
+
 // start and end are in milliseconds
 // we have three tables for samples
 // 1. distributed_samples_v4

pkg/types/inframonitoringtypes/hosts.go

@@ -49,7 +49,7 @@ type HostFilter struct {
 	FilterByStatus HostStatus `json:"filterByStatus"`
 }
 
-// Validate ensures HostsListRequest contains acceptable values.
+// Validate ensures PostableHosts contains acceptable values.
 func (req *PostableHosts) Validate() error {
 	if req == nil {
 		return errors.NewInvalidInputf(errors.CodeInvalidInput, "request is nil")

pkg/types/inframonitoringtypes/onboarding.go

@@ -0,0 +1,83 @@
+package inframonitoringtypes
+
+import (
+	"slices"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+)
+
+// PostableOnboarding is the request for GET /api/v2/infra_monitoring/onboarding.
+// The single `type` query param selects which infra-monitoring subsection the
+// readiness check runs for.
+type PostableOnboarding struct {
+	Type OnboardingType `query:"type" required:"true"`
+}
+
+// Validate rejects empty/unknown onboarding types.
+func (req *PostableOnboarding) Validate() error {
+	if req == nil {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "request is nil")
+	}
+
+	if req.Type.IsZero() {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "type is required")
+	}
+
+	if !slices.Contains(ValidOnboardingTypes, req.Type) {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "invalid type: %s", req.Type)
+	}
+
+	return nil
+}
+
+// Onboarding is the response for GET /api/v2/infra_monitoring/onboarding.
+//
+// The three present/missing pairs partition a type's requirements into three
+// dimensions — default-enabled metrics, optional metrics, required attributes —
+// each bucketed by the collector component (receiver or processor) that
+// produces it. Ready is true iff every Missing* array is empty.
+type Onboarding struct {
+	Type                         OnboardingType                    `json:"type" required:"true"`
+	Ready                        bool                              `json:"ready" required:"true"`
+	PresentDefaultEnabledMetrics []MetricsComponentEntry           `json:"presentDefaultEnabledMetrics" required:"true"`
+	PresentOptionalMetrics       []MetricsComponentEntry           `json:"presentOptionalMetrics" required:"true"`
+	PresentRequiredAttributes    []AttributesComponentEntry        `json:"presentRequiredAttributes" required:"true"`
+	MissingDefaultEnabledMetrics []MissingMetricsComponentEntry    `json:"missingDefaultEnabledMetrics" required:"true"`
+	MissingOptionalMetrics       []MissingMetricsComponentEntry    `json:"missingOptionalMetrics" required:"true"`
+	MissingRequiredAttributes    []MissingAttributesComponentEntry `json:"missingRequiredAttributes" required:"true"`
+}
+
+// AssociatedComponent identifies the collector receiver or processor that a
+// metric or attribute originates from. Name is free-form (e.g. "kubeletstatsreceiver").
+type AssociatedComponent struct {
+	Type OnboardingComponentType `json:"type" required:"true"`
+	Name string                  `json:"name" required:"true"`
+}
+
+// MetricsComponentEntry lists metrics that share a single associated component.
+type MetricsComponentEntry struct {
+	Metrics             []string            `json:"metrics" required:"true"`
+	AssociatedComponent AssociatedComponent `json:"associatedComponent" required:"true"`
+}
+
+// AttributesComponentEntry lists resource attributes that share a single associated component.
+type AttributesComponentEntry struct {
+	Attributes          []string            `json:"attributes" required:"true"`
+	AssociatedComponent AssociatedComponent `json:"associatedComponent" required:"true"`
+}
+
+// MissingMetricsComponentEntry extends MetricsComponentEntry with a user-facing
+// message and a docs link for fixing the missing metrics.
+type MissingMetricsComponentEntry struct {
+	MetricsComponentEntry
+	Message           string `json:"message" required:"true"`
+	DocumentationLink string `json:"documentationLink" required:"true"`
+}
+
+// MissingAttributesComponentEntry extends AttributesComponentEntry with a user-facing
+// message and a docs link for fixing the missing attributes.
+type MissingAttributesComponentEntry struct {
+	AttributesComponentEntry
+	Message           string `json:"message" required:"true"`
+	DocumentationLink string `json:"documentationLink" required:"true"`
+}

pkg/types/inframonitoringtypes/onboarding_constants.go

@@ -0,0 +1,71 @@
+package inframonitoringtypes
+
+import "github.com/SigNoz/signoz/pkg/valuer"
+
+// OnboardingType identifies a single infra-monitoring subsection (UI tab).
+// One value per v1/v2 list API we surface in the infra-monitoring section.
+type OnboardingType struct {
+	valuer.String
+}
+
+var (
+	OnboardingTypeHosts        = OnboardingType{valuer.NewString("hosts")}
+	OnboardingTypeProcesses    = OnboardingType{valuer.NewString("processes")}
+	OnboardingTypePods         = OnboardingType{valuer.NewString("pods")}
+	OnboardingTypeNodes        = OnboardingType{valuer.NewString("nodes")}
+	OnboardingTypeDeployments  = OnboardingType{valuer.NewString("deployments")}
+	OnboardingTypeDaemonsets   = OnboardingType{valuer.NewString("daemonsets")}
+	OnboardingTypeStatefulsets = OnboardingType{valuer.NewString("statefulsets")}
+	OnboardingTypeJobs         = OnboardingType{valuer.NewString("jobs")}
+	OnboardingTypeNamespaces   = OnboardingType{valuer.NewString("namespaces")}
+	OnboardingTypeClusters     = OnboardingType{valuer.NewString("clusters")}
+	OnboardingTypeVolumes      = OnboardingType{valuer.NewString("volumes")}
+)
+
+func (OnboardingType) Enum() []any {
+	return []any{
+		OnboardingTypeHosts,
+		OnboardingTypeProcesses,
+		OnboardingTypePods,
+		OnboardingTypeNodes,
+		OnboardingTypeDeployments,
+		OnboardingTypeDaemonsets,
+		OnboardingTypeStatefulsets,
+		OnboardingTypeJobs,
+		OnboardingTypeNamespaces,
+		OnboardingTypeClusters,
+		OnboardingTypeVolumes,
+	}
+}
+
+var ValidOnboardingTypes = []OnboardingType{
+	OnboardingTypeHosts,
+	OnboardingTypeProcesses,
+	OnboardingTypePods,
+	OnboardingTypeNodes,
+	OnboardingTypeDeployments,
+	OnboardingTypeDaemonsets,
+	OnboardingTypeStatefulsets,
+	OnboardingTypeJobs,
+	OnboardingTypeNamespaces,
+	OnboardingTypeClusters,
+	OnboardingTypeVolumes,
+}
+
+// OnboardingComponentType tags each AssociatedComponent as either a receiver or a processor.
+// Only these two values are ever written by the module.
+type OnboardingComponentType struct {
+	valuer.String
+}
+
+var (
+	OnboardingComponentTypeReceiver  = OnboardingComponentType{valuer.NewString("receiver")}
+	OnboardingComponentTypeProcessor = OnboardingComponentType{valuer.NewString("processor")}
+)
+
+func (OnboardingComponentType) Enum() []any {
+	return []any{
+		OnboardingComponentTypeReceiver,
+		OnboardingComponentTypeProcessor,
+	}
+}

pkg/types/inframonitoringtypes/onboarding_test.go

@@ -0,0 +1,110 @@
+package inframonitoringtypes
+
+import (
+	"testing"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	"github.com/SigNoz/signoz/pkg/valuer"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPostableOnboarding_Validate(t *testing.T) {
+	tests := []struct {
+		name    string
+		req     *PostableOnboarding
+		wantErr bool
+	}{
+		{
+			name:    "nil request",
+			req:     nil,
+			wantErr: true,
+		},
+		{
+			name:    "empty type",
+			req:     &PostableOnboarding{},
+			wantErr: true,
+		},
+		{
+			name:    "unknown type",
+			req:     &PostableOnboarding{Type: OnboardingType{valuer.NewString("foo")}},
+			wantErr: true,
+		},
+		{
+			name:    "hosts",
+			req:     &PostableOnboarding{Type: OnboardingTypeHosts},
+			wantErr: false,
+		},
+		{
+			name:    "processes",
+			req:     &PostableOnboarding{Type: OnboardingTypeProcesses},
+			wantErr: false,
+		},
+		{
+			name:    "pods",
+			req:     &PostableOnboarding{Type: OnboardingTypePods},
+			wantErr: false,
+		},
+		{
+			name:    "nodes",
+			req:     &PostableOnboarding{Type: OnboardingTypeNodes},
+			wantErr: false,
+		},
+		{
+			name:    "deployments",
+			req:     &PostableOnboarding{Type: OnboardingTypeDeployments},
+			wantErr: false,
+		},
+		{
+			name:    "daemonsets",
+			req:     &PostableOnboarding{Type: OnboardingTypeDaemonsets},
+			wantErr: false,
+		},
+		{
+			name:    "statefulsets",
+			req:     &PostableOnboarding{Type: OnboardingTypeStatefulsets},
+			wantErr: false,
+		},
+		{
+			name:    "jobs",
+			req:     &PostableOnboarding{Type: OnboardingTypeJobs},
+			wantErr: false,
+		},
+		{
+			name:    "namespaces",
+			req:     &PostableOnboarding{Type: OnboardingTypeNamespaces},
+			wantErr: false,
+		},
+		{
+			name:    "clusters",
+			req:     &PostableOnboarding{Type: OnboardingTypeClusters},
+			wantErr: false,
+		},
+		{
+			name:    "volumes",
+			req:     &PostableOnboarding{Type: OnboardingTypeVolumes},
+			wantErr: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.req.Validate()
+			if tt.wantErr {
+				require.Error(t, err)
+				require.True(t, errors.Ast(err, errors.TypeInvalidInput), "expected error to be of type InvalidInput")
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}
+
+// TestValidOnboardingTypes_MatchesEnum ensures the ValidOnboardingTypes slice
+// stays in sync with the Enum() list — both must cover every OnboardingType value.
+func TestValidOnboardingTypes_MatchesEnum(t *testing.T) {
+	enum := OnboardingType{}.Enum()
+	require.Equal(t, len(enum), len(ValidOnboardingTypes))
+	for i, v := range enum {
+		require.Equal(t, v, ValidOnboardingTypes[i])
+	}
+}

pkg/types/inframonitoringtypes/pods.go

@@ -0,0 +1,109 @@
+package inframonitoringtypes
+
+import (
+	"encoding/json"
+	"slices"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+)
+
+type Pods struct {
+	Type                   ResponseType           `json:"type" required:"true"`
+	Records                []PodRecord            `json:"records" required:"true"`
+	Total                  int                    `json:"total" required:"true"`
+	RequiredMetricsCheck   RequiredMetricsCheck   `json:"requiredMetricsCheck" required:"true"`
+	EndTimeBeforeRetention bool                   `json:"endTimeBeforeRetention" required:"true"`
+	Warning                *qbtypes.QueryWarnData `json:"warning,omitempty"`
+}
+
+type PodRecord struct {
+	PodUID            string                 `json:"podUID" required:"true"`
+	PodCPU            float64                `json:"podCPU" required:"true"`
+	PodCPURequest     float64                `json:"podCPURequest" required:"true"`
+	PodCPULimit       float64                `json:"podCPULimit" required:"true"`
+	PodMemory         float64                `json:"podMemory" required:"true"`
+	PodMemoryRequest  float64                `json:"podMemoryRequest" required:"true"`
+	PodMemoryLimit    float64                `json:"podMemoryLimit" required:"true"`
+	PodPhase          PodPhase               `json:"podPhase" required:"true"`
+	PendingPodCount   int                    `json:"pendingPodCount" required:"true"`
+	RunningPodCount   int                    `json:"runningPodCount" required:"true"`
+	SucceededPodCount int                    `json:"succeededPodCount" required:"true"`
+	FailedPodCount    int                    `json:"failedPodCount" required:"true"`
+	UnknownPodCount   int                    `json:"unknownPodCount" required:"true"`
+	PodAge            int64                  `json:"podAge" required:"true"`
+	Meta              map[string]interface{} `json:"meta" required:"true"`
+}
+
+// PostablePods is the request body for the v2 pods list API.
+type PostablePods struct {
+	Start   int64                `json:"start" required:"true"`
+	End     int64                `json:"end" required:"true"`
+	Filter  *qbtypes.Filter      `json:"filter"`
+	GroupBy []qbtypes.GroupByKey `json:"groupBy"`
+	OrderBy *qbtypes.OrderBy     `json:"orderBy"`
+	Offset  int                  `json:"offset"`
+	Limit   int                  `json:"limit" required:"true"`
+}
+
+// Validate ensures PostablePods contains acceptable values.
+func (req *PostablePods) Validate() error {
+	if req == nil {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "request is nil")
+	}
+
+	if req.Start <= 0 {
+		return errors.NewInvalidInputf(
+			errors.CodeInvalidInput,
+			"invalid start time %d: start must be greater than 0",
+			req.Start,
+		)
+	}
+
+	if req.End <= 0 {
+		return errors.NewInvalidInputf(
+			errors.CodeInvalidInput,
+			"invalid end time %d: end must be greater than 0",
+			req.End,
+		)
+	}
+
+	if req.Start >= req.End {
+		return errors.NewInvalidInputf(
+			errors.CodeInvalidInput,
+			"invalid time range: start (%d) must be less than end (%d)",
+			req.Start,
+			req.End,
+		)
+	}
+
+	if req.Limit < 1 || req.Limit > 5000 {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "limit must be between 1 and 5000")
+	}
+
+	if req.Offset < 0 {
+		return errors.NewInvalidInputf(errors.CodeInvalidInput, "offset cannot be negative")
+	}
+
+	if req.OrderBy != nil {
+		if !slices.Contains(PodsValidOrderByKeys, req.OrderBy.Key.Name) {
+			return errors.NewInvalidInputf(errors.CodeInvalidInput, "invalid order by key: %s", req.OrderBy.Key.Name)
+		}
+		if req.OrderBy.Direction != qbtypes.OrderDirectionAsc && req.OrderBy.Direction != qbtypes.OrderDirectionDesc {
+			return errors.NewInvalidInputf(errors.CodeInvalidInput, "invalid order by direction: %s", req.OrderBy.Direction)
+		}
+	}
+
+	return nil
+}
+
+// UnmarshalJSON validates input immediately after decoding.
+func (req *PostablePods) UnmarshalJSON(data []byte) error {
+	type raw PostablePods
+	var decoded raw
+	if err := json.Unmarshal(data, &decoded); err != nil {
+		return err
+	}
+	*req = PostablePods(decoded)
+	return req.Validate()
+}

pkg/types/inframonitoringtypes/pods_constants.go

@@ -0,0 +1,55 @@
+package inframonitoringtypes
+
+import "github.com/SigNoz/signoz/pkg/valuer"
+
+type PodPhase struct {
+	valuer.String
+}
+
+var (
+	PodPhasePending   = PodPhase{valuer.NewString("pending")}
+	PodPhaseRunning   = PodPhase{valuer.NewString("running")}
+	PodPhaseSucceeded = PodPhase{valuer.NewString("succeeded")}
+	PodPhaseFailed    = PodPhase{valuer.NewString("failed")}
+	PodPhaseUnknown   = PodPhase{valuer.NewString("unknown")}
+	PodPhaseNone      = PodPhase{valuer.NewString("")}
+)
+
+func (PodPhase) Enum() []any {
+	return []any{
+		PodPhasePending,
+		PodPhaseRunning,
+		PodPhaseSucceeded,
+		PodPhaseFailed,
+		PodPhaseUnknown,
+		PodPhaseNone,
+	}
+}
+
+// Numeric pod phase values emitted by the k8s.pod.phase metric
+// (source: OTel kubeletstats receiver).
+const (
+	PodPhaseNumPending   = 1
+	PodPhaseNumRunning   = 2
+	PodPhaseNumSucceeded = 3
+	PodPhaseNumFailed    = 4
+	PodPhaseNumUnknown   = 5
+)
+
+const (
+	PodsOrderByCPU           = "cpu"
+	PodsOrderByCPURequest    = "cpu_request"
+	PodsOrderByCPULimit      = "cpu_limit"
+	PodsOrderByMemory        = "memory"
+	PodsOrderByMemoryRequest = "memory_request"
+	PodsOrderByMemoryLimit   = "memory_limit"
+)
+
+var PodsValidOrderByKeys = []string{
+	PodsOrderByCPU,
+	PodsOrderByCPURequest,
+	PodsOrderByCPULimit,
+	PodsOrderByMemory,
+	PodsOrderByMemoryRequest,
+	PodsOrderByMemoryLimit,
+}

pkg/types/inframonitoringtypes/pods_test.go

@@ -0,0 +1,219 @@
+package inframonitoringtypes
+
+import (
+	"testing"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/types/telemetrytypes"
+	"github.com/SigNoz/signoz/pkg/valuer"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPostablePods_Validate(t *testing.T) {
+	tests := []struct {
+		name    string
+		req     *PostablePods
+		wantErr bool
+	}{
+		{
+			name: "valid request",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: false,
+		},
+		{
+			name:    "nil request",
+			req:     nil,
+			wantErr: true,
+		},
+		{
+			name: "start time zero",
+			req: &PostablePods{
+				Start:  0,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "start time negative",
+			req: &PostablePods{
+				Start:  -1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "end time zero",
+			req: &PostablePods{
+				Start:  1000,
+				End:    0,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "start time greater than end time",
+			req: &PostablePods{
+				Start:  2000,
+				End:    1000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "start time equal to end time",
+			req: &PostablePods{
+				Start:  1000,
+				End:    1000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "limit zero",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  0,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "limit negative",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  -10,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "limit exceeds max",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  5001,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "offset negative",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: -5,
+			},
+			wantErr: true,
+		},
+		{
+			name: "orderBy nil is valid",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with valid key cpu and direction asc",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: PodsOrderByCPU,
+						},
+					},
+					Direction: qbtypes.OrderDirectionAsc,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with phase key is rejected",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: "phase",
+						},
+					},
+					Direction: qbtypes.OrderDirectionDesc,
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "orderBy with invalid key",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: "unknown",
+						},
+					},
+					Direction: qbtypes.OrderDirectionDesc,
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "orderBy with valid key but invalid direction",
+			req: &PostablePods{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: PodsOrderByMemory,
+						},
+					},
+					Direction: qbtypes.OrderDirection{String: valuer.NewString("invalid")},
+				},
+			},
+			wantErr: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			err := tt.req.Validate()
+			if tt.wantErr {
+				require.Error(t, err)
+				require.True(t, errors.Ast(err, errors.TypeInvalidInput), "expected error to be of type InvalidInput")
+			} else {
+				require.NoError(t, err)
+			}
+		})
+	}
+}