chore: restored to main

# Conflicts:
#	docs/api/openapi.yml
#	frontend/src/api/generated/services/sigNoz.schemas.ts

docs/api/openapi.yml

@@ -3109,6 +3109,32 @@ components:
       - end
       - limit
       type: object
+    InframonitoringtypesPostableStatefulSets:
+      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
     InframonitoringtypesPostableVolumes:
       properties:
         end:
@@ -3150,6 +3176,76 @@ components:
       - list
       - grouped_list
       type: string
+    InframonitoringtypesStatefulSetRecord:
+      properties:
+        currentPods:
+          type: integer
+        desiredPods:
+          type: integer
+        meta:
+          additionalProperties:
+            type: string
+          nullable: true
+          type: object
+        podCountsByPhase:
+          $ref: '#/components/schemas/InframonitoringtypesPodCountsByPhase'
+        statefulSetCPU:
+          format: double
+          type: number
+        statefulSetCPULimit:
+          format: double
+          type: number
+        statefulSetCPURequest:
+          format: double
+          type: number
+        statefulSetMemory:
+          format: double
+          type: number
+        statefulSetMemoryLimit:
+          format: double
+          type: number
+        statefulSetMemoryRequest:
+          format: double
+          type: number
+        statefulSetName:
+          type: string
+      required:
+      - statefulSetName
+      - statefulSetCPU
+      - statefulSetCPURequest
+      - statefulSetCPULimit
+      - statefulSetMemory
+      - statefulSetMemoryRequest
+      - statefulSetMemoryLimit
+      - desiredPods
+      - currentPods
+      - podCountsByPhase
+      - meta
+      type: object
+    InframonitoringtypesStatefulSets:
+      properties:
+        endTimeBeforeRetention:
+          type: boolean
+        records:
+          items:
+            $ref: '#/components/schemas/InframonitoringtypesStatefulSetRecord'
+          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
     InframonitoringtypesVolumeRecord:
       properties:
         meta:
@@ -12498,6 +12594,81 @@ paths:
       summary: List Volumes for Infra Monitoring
       tags:
       - inframonitoring
+  /api/v2/infra_monitoring/statefulsets:
+    post:
+      deprecated: false
+      description: 'Returns a paginated list of Kubernetes StatefulSets with key aggregated
+        pod metrics: CPU usage and memory working set summed across pods owned by
+        the statefulset, plus average CPU/memory request and limit utilization (statefulSetCPURequest,
+        statefulSetCPULimit, statefulSetMemoryRequest, statefulSetMemoryLimit). Each
+        row also reports the latest known desiredPods (k8s.statefulset.desired_pods)
+        and currentPods (k8s.statefulset.current_pods) replica counts and per-group
+        podCountsByPhase ({ pending, running, succeeded, failed, unknown } from each
+        pod''s latest k8s.pod.phase value). Each statefulset includes metadata attributes
+        (k8s.statefulset.name, k8s.namespace.name, k8s.cluster.name). The response
+        type is ''list'' for the default k8s.statefulset.name grouping or ''grouped_list''
+        for custom groupBy keys; in both modes every row aggregates pods owned by
+        statefulsets in the group. Supports filtering via a filter expression, custom
+        groupBy, ordering by cpu / cpu_request / cpu_limit / memory / memory_request
+        / memory_limit / desired_pods / current_pods, and pagination via offset/limit.
+        Also reports missing required metrics and whether the requested time range
+        falls before the data retention boundary. Numeric metric fields (statefulSetCPU,
+        statefulSetCPURequest, statefulSetCPULimit, statefulSetMemory, statefulSetMemoryRequest,
+        statefulSetMemoryLimit, desiredPods, currentPods) return -1 as a sentinel
+        when no data is available for that field.'
+      operationId: ListStatefulSets
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/InframonitoringtypesPostableStatefulSets'
+      responses:
+        "200":
+          content:
+            application/json:
+              schema:
+                properties:
+                  data:
+                    $ref: '#/components/schemas/InframonitoringtypesStatefulSets'
+                  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 StatefulSets for Infra Monitoring
+      tags:
+      - inframonitoring
   /api/v2/livez:
     get:
       deprecated: false

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

@@ -18,6 +18,7 @@ import type {
 	InframonitoringtypesPostableNamespacesDTO,
 	InframonitoringtypesPostableNodesDTO,
 	InframonitoringtypesPostablePodsDTO,
+	InframonitoringtypesPostableStatefulSetsDTO,
 	InframonitoringtypesPostableVolumesDTO,
 	ListClusters200,
 	ListDeployments200,
@@ -25,6 +26,7 @@ import type {
 	ListNamespaces200,
 	ListNodes200,
 	ListPods200,
+	ListStatefulSets200,
 	ListVolumes200,
 	RenderErrorResponseDTO,
 } from '../sigNoz.schemas';
@@ -620,3 +622,87 @@ export const useListVolumes = <
 
 	return useMutation(mutationOptions);
 };
+/**
+ * Returns a paginated list of Kubernetes StatefulSets with key aggregated pod metrics: CPU usage and memory working set summed across pods owned by the statefulset, plus average CPU/memory request and limit utilization (statefulSetCPURequest, statefulSetCPULimit, statefulSetMemoryRequest, statefulSetMemoryLimit). Each row also reports the latest known desiredPods (k8s.statefulset.desired_pods) and currentPods (k8s.statefulset.current_pods) replica counts and per-group podCountsByPhase ({ pending, running, succeeded, failed, unknown } from each pod's latest k8s.pod.phase value). Each statefulset includes metadata attributes (k8s.statefulset.name, k8s.namespace.name, k8s.cluster.name). The response type is 'list' for the default k8s.statefulset.name grouping or 'grouped_list' for custom groupBy keys; in both modes every row aggregates pods owned by statefulsets in the group. Supports filtering via a filter expression, custom groupBy, ordering by cpu / cpu_request / cpu_limit / memory / memory_request / memory_limit / desired_pods / current_pods, and pagination via offset/limit. Also reports missing required metrics and whether the requested time range falls before the data retention boundary. Numeric metric fields (statefulSetCPU, statefulSetCPURequest, statefulSetCPULimit, statefulSetMemory, statefulSetMemoryRequest, statefulSetMemoryLimit, desiredPods, currentPods) return -1 as a sentinel when no data is available for that field.
+ * @summary List StatefulSets for Infra Monitoring
+ */
+export const listStatefulSets = (
+	inframonitoringtypesPostableStatefulSetsDTO: BodyType<InframonitoringtypesPostableStatefulSetsDTO>,
+	signal?: AbortSignal,
+) => {
+	return GeneratedAPIInstance<ListStatefulSets200>({
+		url: `/api/v2/infra_monitoring/statefulsets`,
+		method: 'POST',
+		headers: { 'Content-Type': 'application/json' },
+		data: inframonitoringtypesPostableStatefulSetsDTO,
+		signal,
+	});
+};
+
+export const getListStatefulSetsMutationOptions = <
+	TError = ErrorType<RenderErrorResponseDTO>,
+	TContext = unknown,
+>(options?: {
+	mutation?: UseMutationOptions<
+		Awaited<ReturnType<typeof listStatefulSets>>,
+		TError,
+		{ data: BodyType<InframonitoringtypesPostableStatefulSetsDTO> },
+		TContext
+	>;
+}): UseMutationOptions<
+	Awaited<ReturnType<typeof listStatefulSets>>,
+	TError,
+	{ data: BodyType<InframonitoringtypesPostableStatefulSetsDTO> },
+	TContext
+> => {
+	const mutationKey = ['listStatefulSets'];
+	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 listStatefulSets>>,
+		{ data: BodyType<InframonitoringtypesPostableStatefulSetsDTO> }
+	> = (props) => {
+		const { data } = props ?? {};
+
+		return listStatefulSets(data);
+	};
+
+	return { mutationFn, ...mutationOptions };
+};
+
+export type ListStatefulSetsMutationResult = NonNullable<
+	Awaited<ReturnType<typeof listStatefulSets>>
+>;
+export type ListStatefulSetsMutationBody =
+	BodyType<InframonitoringtypesPostableStatefulSetsDTO>;
+export type ListStatefulSetsMutationError = ErrorType<RenderErrorResponseDTO>;
+
+/**
+ * @summary List StatefulSets for Infra Monitoring
+ */
+export const useListStatefulSets = <
+	TError = ErrorType<RenderErrorResponseDTO>,
+	TContext = unknown,
+>(options?: {
+	mutation?: UseMutationOptions<
+		Awaited<ReturnType<typeof listStatefulSets>>,
+		TError,
+		{ data: BodyType<InframonitoringtypesPostableStatefulSetsDTO> },
+		TContext
+	>;
+}): UseMutationResult<
+	Awaited<ReturnType<typeof listStatefulSets>>,
+	TError,
+	{ data: BodyType<InframonitoringtypesPostableStatefulSetsDTO> },
+	TContext
+> => {
+	const mutationOptions = getListStatefulSetsMutationOptions(options);
+
+	return useMutation(mutationOptions);
+};

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

@@ -5190,6 +5190,34 @@ export interface InframonitoringtypesPostablePodsDTO {
 	start: number;
 }
 
+export interface InframonitoringtypesPostableStatefulSetsDTO {
+	/**
+	 * @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 InframonitoringtypesPostableVolumesDTO {
 	/**
 	 * @type integer
@@ -5230,6 +5258,83 @@ export enum InframonitoringtypesResponseTypeDTO {
 	list = 'list',
 	grouped_list = 'grouped_list',
 }
+/**
+ * @nullable
+ */
+export type InframonitoringtypesStatefulSetRecordDTOMeta = {
+	[key: string]: string;
+} | null;
+
+export interface InframonitoringtypesStatefulSetRecordDTO {
+	/**
+	 * @type integer
+	 */
+	currentPods: number;
+	/**
+	 * @type integer
+	 */
+	desiredPods: number;
+	/**
+	 * @type object
+	 * @nullable true
+	 */
+	meta: InframonitoringtypesStatefulSetRecordDTOMeta;
+	podCountsByPhase: InframonitoringtypesPodCountsByPhaseDTO;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	statefulSetCPU: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	statefulSetCPULimit: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	statefulSetCPURequest: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	statefulSetMemory: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	statefulSetMemoryLimit: number;
+	/**
+	 * @type number
+	 * @format double
+	 */
+	statefulSetMemoryRequest: number;
+	/**
+	 * @type string
+	 */
+	statefulSetName: string;
+}
+
+export interface InframonitoringtypesStatefulSetsDTO {
+	/**
+	 * @type boolean
+	 */
+	endTimeBeforeRetention: boolean;
+	/**
+	 * @type array
+	 * @nullable true
+	 */
+	records: InframonitoringtypesStatefulSetRecordDTO[] | null;
+	requiredMetricsCheck: InframonitoringtypesRequiredMetricsCheckDTO;
+	/**
+	 * @type integer
+	 */
+	total: number;
+	type: InframonitoringtypesResponseTypeDTO;
+	warning?: Querybuildertypesv5QueryWarnDataDTO;
+}
+
 /**
  * @nullable
  */
@@ -9662,6 +9767,14 @@ export type ListVolumes200 = {
 	status: string;
 };
 
+export type ListStatefulSets200 = {
+	data: InframonitoringtypesStatefulSetsDTO;
+	/**
+	 * @type string
+	 */
+	status: string;
+};
+
 export type Livez200 = {
 	data: FactoryResponseDTO;
 	/**

pkg/apiserver/signozapiserver/inframonitoring.go

@@ -143,5 +143,24 @@ func (provider *provider) addInfraMonitoringRoutes(router *mux.Router) error {
 		return err
 	}
 
+	if err := router.Handle("/api/v2/infra_monitoring/statefulsets", handler.New(
+		provider.authzMiddleware.ViewAccess(provider.infraMonitoringHandler.ListStatefulSets),
+		handler.OpenAPIDef{
+			ID:                  "ListStatefulSets",
+			Tags:                []string{"inframonitoring"},
+			Summary:             "List StatefulSets for Infra Monitoring",
+			Description:         "Returns a paginated list of Kubernetes StatefulSets with key aggregated pod metrics: CPU usage and memory working set summed across pods owned by the statefulset, plus average CPU/memory request and limit utilization (statefulSetCPURequest, statefulSetCPULimit, statefulSetMemoryRequest, statefulSetMemoryLimit). Each row also reports the latest known desiredPods (k8s.statefulset.desired_pods) and currentPods (k8s.statefulset.current_pods) replica counts and per-group podCountsByPhase ({ pending, running, succeeded, failed, unknown } from each pod's latest k8s.pod.phase value). Each statefulset includes metadata attributes (k8s.statefulset.name, k8s.namespace.name, k8s.cluster.name). The response type is 'list' for the default k8s.statefulset.name grouping or 'grouped_list' for custom groupBy keys; in both modes every row aggregates pods owned by statefulsets in the group. Supports filtering via a filter expression, custom groupBy, ordering by cpu / cpu_request / cpu_limit / memory / memory_request / memory_limit / desired_pods / current_pods, and pagination via offset/limit. Also reports missing required metrics and whether the requested time range falls before the data retention boundary. Numeric metric fields (statefulSetCPU, statefulSetCPURequest, statefulSetCPULimit, statefulSetMemory, statefulSetMemoryRequest, statefulSetMemoryLimit, desiredPods, currentPods) return -1 as a sentinel when no data is available for that field.",
+			Request:             new(inframonitoringtypes.PostableStatefulSets),
+			RequestContentType:  "application/json",
+			Response:            new(inframonitoringtypes.StatefulSets),
+			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
+	}
+
 	return nil
 }

pkg/modules/inframonitoring/implinframonitoring/handler.go

@@ -189,3 +189,27 @@ func (h *handler) ListDeployments(rw http.ResponseWriter, req *http.Request) {
 
 	render.Success(rw, http.StatusOK, result)
 }
+
+func (h *handler) ListStatefulSets(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.PostableStatefulSets
+	if err := binding.JSON.BindBody(req.Body, &parsedReq); err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	result, err := h.module.ListStatefulSets(req.Context(), orgID, &parsedReq)
+	if err != nil {
+		render.Error(rw, err)
+		return
+	}
+
+	render.Success(rw, http.StatusOK, result)
+}

pkg/modules/inframonitoring/implinframonitoring/module.go

@@ -706,3 +706,100 @@ func (m *module) ListDeployments(ctx context.Context, orgID valuer.UUID, req *in
 
 	return resp, nil
 }
+
+func (m *module) ListStatefulSets(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableStatefulSets) (*inframonitoringtypes.StatefulSets, error) {
+	if err := req.Validate(); err != nil {
+		return nil, err
+	}
+
+	resp := &inframonitoringtypes.StatefulSets{}
+
+	if req.OrderBy == nil {
+		req.OrderBy = &qbtypes.OrderBy{
+			Key: qbtypes.OrderByKey{
+				TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+					Name: inframonitoringtypes.StatefulSetsOrderByCPU,
+				},
+			},
+			Direction: qbtypes.OrderDirectionDesc,
+		}
+	}
+
+	if len(req.GroupBy) == 0 {
+		req.GroupBy = []qbtypes.GroupByKey{statefulSetNameGroupByKey}
+		resp.Type = inframonitoringtypes.ResponseTypeList
+	} else {
+		resp.Type = inframonitoringtypes.ResponseTypeGroupedList
+	}
+
+	// Bake the workload base filter into req.Filter so all downstream helpers pick it up.
+	if req.Filter == nil {
+		req.Filter = &qbtypes.Filter{}
+	}
+	req.Filter.Expression = mergeFilterExpressions(statefulSetsBaseFilterExpr, req.Filter.Expression)
+
+	missingMetrics, minFirstReportedUnixMilli, err := m.getMetricsExistenceAndEarliestTime(ctx, statefulSetsTableMetricNamesList)
+	if err != nil {
+		return nil, err
+	}
+	if len(missingMetrics) > 0 {
+		resp.RequiredMetricsCheck = inframonitoringtypes.RequiredMetricsCheck{MissingMetrics: missingMetrics}
+		resp.Records = []inframonitoringtypes.StatefulSetRecord{}
+		resp.Total = 0
+		return resp, nil
+	}
+	if req.End < int64(minFirstReportedUnixMilli) {
+		resp.EndTimeBeforeRetention = true
+		resp.Records = []inframonitoringtypes.StatefulSetRecord{}
+		resp.Total = 0
+		return resp, nil
+	}
+	resp.RequiredMetricsCheck = inframonitoringtypes.RequiredMetricsCheck{MissingMetrics: []string{}}
+
+	metadataMap, err := m.getStatefulSetsTableMetadata(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+
+	resp.Total = len(metadataMap)
+
+	pageGroups, err := m.getTopStatefulSetGroups(ctx, orgID, req, metadataMap)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(pageGroups) == 0 {
+		resp.Records = []inframonitoringtypes.StatefulSetRecord{}
+		return resp, nil
+	}
+
+	filterExpr := ""
+	if req.Filter != nil {
+		filterExpr = req.Filter.Expression
+	}
+
+	fullQueryReq := buildFullQueryRequest(req.Start, req.End, filterExpr, req.GroupBy, pageGroups, m.newStatefulSetsTableListQuery())
+	queryResp, err := m.querier.QueryRange(ctx, orgID, fullQueryReq)
+	if err != nil {
+		return nil, err
+	}
+
+	// Reuse the pods phase-counts CTE function via a temp struct — it reads only
+	// Start/End/Filter/GroupBy from PostablePods. Pods owned by a StatefulSet carry
+	// k8s.statefulset.name as a resource attribute, so default-groupBy gives
+	// per-statefulset phase counts automatically.
+	phaseCounts, err := m.getPerGroupPodPhaseCounts(ctx, &inframonitoringtypes.PostablePods{
+		Start:   req.Start,
+		End:     req.End,
+		Filter:  req.Filter,
+		GroupBy: req.GroupBy,
+	}, pageGroups)
+	if err != nil {
+		return nil, err
+	}
+
+	resp.Records = buildStatefulSetRecords(queryResp, pageGroups, req.GroupBy, metadataMap, phaseCounts)
+	resp.Warning = queryResp.Warning
+
+	return resp, nil
+}

pkg/modules/inframonitoring/implinframonitoring/statefulsets.go

@@ -0,0 +1,148 @@
+package implinframonitoring
+
+import (
+	"context"
+	"slices"
+
+	"github.com/SigNoz/signoz/pkg/types/inframonitoringtypes"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+	"github.com/SigNoz/signoz/pkg/valuer"
+)
+
+// buildStatefulSetRecords assembles the page records. Pod phase counts come from
+// phaseCounts in both modes; every row is a group of pods (one statefulset in
+// list mode, an arbitrary roll-up in grouped_list mode), so there's no
+// per-row "current phase" concept.
+func buildStatefulSetRecords(
+	resp *qbtypes.QueryRangeResponse,
+	pageGroups []map[string]string,
+	groupBy []qbtypes.GroupByKey,
+	metadataMap map[string]map[string]string,
+	phaseCounts map[string]podPhaseCounts,
+) []inframonitoringtypes.StatefulSetRecord {
+	metricsMap := parseFullQueryResponse(resp, groupBy)
+
+	records := make([]inframonitoringtypes.StatefulSetRecord, 0, len(pageGroups))
+	for _, labels := range pageGroups {
+		compositeKey := compositeKeyFromLabels(labels, groupBy)
+		statefulSetName := labels[statefulSetNameAttrKey]
+
+		record := inframonitoringtypes.StatefulSetRecord{ // initialize with default values
+			StatefulSetName:          statefulSetName,
+			StatefulSetCPU:           -1,
+			StatefulSetCPURequest:    -1,
+			StatefulSetCPULimit:      -1,
+			StatefulSetMemory:        -1,
+			StatefulSetMemoryRequest: -1,
+			StatefulSetMemoryLimit:   -1,
+			DesiredPods:              -1,
+			CurrentPods:              -1,
+			Meta:                     map[string]string{},
+		}
+
+		if metrics, ok := metricsMap[compositeKey]; ok {
+			if v, exists := metrics["A"]; exists {
+				record.StatefulSetCPU = v
+			}
+			if v, exists := metrics["B"]; exists {
+				record.StatefulSetCPURequest = v
+			}
+			if v, exists := metrics["C"]; exists {
+				record.StatefulSetCPULimit = v
+			}
+			if v, exists := metrics["D"]; exists {
+				record.StatefulSetMemory = v
+			}
+			if v, exists := metrics["E"]; exists {
+				record.StatefulSetMemoryRequest = v
+			}
+			if v, exists := metrics["F"]; exists {
+				record.StatefulSetMemoryLimit = v
+			}
+			if v, exists := metrics["H"]; exists {
+				record.DesiredPods = int(v)
+			}
+			if v, exists := metrics["I"]; exists {
+				record.CurrentPods = int(v)
+			}
+		}
+
+		if phaseCountsForGroup, ok := phaseCounts[compositeKey]; ok {
+			record.PodCountsByPhase = inframonitoringtypes.PodCountsByPhase{
+				Pending:   phaseCountsForGroup.Pending,
+				Running:   phaseCountsForGroup.Running,
+				Succeeded: phaseCountsForGroup.Succeeded,
+				Failed:    phaseCountsForGroup.Failed,
+				Unknown:   phaseCountsForGroup.Unknown,
+			}
+		}
+
+		if attrs, ok := metadataMap[compositeKey]; ok {
+			for k, v := range attrs {
+				record.Meta[k] = v
+			}
+		}
+
+		records = append(records, record)
+	}
+	return records
+}
+
+func (m *module) getTopStatefulSetGroups(
+	ctx context.Context,
+	orgID valuer.UUID,
+	req *inframonitoringtypes.PostableStatefulSets,
+	metadataMap map[string]map[string]string,
+) ([]map[string]string, error) {
+	orderByKey := req.OrderBy.Key.Name
+	queryNamesForOrderBy := orderByToStatefulSetsQueryNames[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.newStatefulSetsTableListQuery().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) getStatefulSetsTableMetadata(ctx context.Context, req *inframonitoringtypes.PostableStatefulSets) (map[string]map[string]string, error) {
+	var nonGroupByAttrs []string
+	for _, key := range statefulSetAttrKeysForMetadata {
+		if !isKeyInGroupByAttrs(req.GroupBy, key) {
+			nonGroupByAttrs = append(nonGroupByAttrs, key)
+		}
+	}
+	return m.getMetadata(ctx, statefulSetsTableMetricNamesList, req.GroupBy, nonGroupByAttrs, req.Filter, req.Start, req.End)
+}

pkg/modules/inframonitoring/implinframonitoring/statefulsets_constants.go

@@ -0,0 +1,254 @@
+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 (
+	statefulSetNameAttrKey     = "k8s.statefulset.name"
+	statefulSetsBaseFilterExpr = "k8s.statefulset.name != ''"
+)
+
+var statefulSetNameGroupByKey = qbtypes.GroupByKey{
+	TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+		Name:          statefulSetNameAttrKey,
+		FieldContext:  telemetrytypes.FieldContextResource,
+		FieldDataType: telemetrytypes.FieldDataTypeString,
+	},
+}
+
+// statefulSetsTableMetricNamesList drives the existence/retention check.
+// Includes k8s.pod.phase even though phase isn't part of the QB composite query —
+// it is queried separately via getPerGroupPodPhaseCounts, and we want the
+// response to short-circuit cleanly when the phase metric is absent.
+var statefulSetsTableMetricNamesList = []string{
+	"k8s.pod.phase",
+	"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.statefulset.desired_pods",
+	"k8s.statefulset.current_pods",
+}
+
+// Carried forward from v1 statefulSetAttrsToEnrich
+// (pkg/query-service/app/inframetrics/statefulsets.go:29-33).
+var statefulSetAttrKeysForMetadata = []string{
+	"k8s.statefulset.name",
+	"k8s.namespace.name",
+	"k8s.cluster.name",
+}
+
+// orderByToStatefulSetsQueryNames maps the orderBy column to the query name
+// used for ranking statefulset groups. v2 B/C/E/F are direct metrics, no
+// formula deps — so unlike v1 we don't carry A/D.
+var orderByToStatefulSetsQueryNames = map[string][]string{
+	inframonitoringtypes.StatefulSetsOrderByCPU:           {"A"},
+	inframonitoringtypes.StatefulSetsOrderByCPURequest:    {"B"},
+	inframonitoringtypes.StatefulSetsOrderByCPULimit:      {"C"},
+	inframonitoringtypes.StatefulSetsOrderByMemory:        {"D"},
+	inframonitoringtypes.StatefulSetsOrderByMemoryRequest: {"E"},
+	inframonitoringtypes.StatefulSetsOrderByMemoryLimit:   {"F"},
+	inframonitoringtypes.StatefulSetsOrderByDesiredPods:   {"H"},
+	inframonitoringtypes.StatefulSetsOrderByCurrentPods:   {"I"},
+}
+
+// newStatefulSetsTableListQuery builds the composite QB v5 request for the statefulsets list.
+// Eight builder queries: A..F roll up pod-level metrics by statefulset, H/I take the
+// latest statefulset-level desired/current counts. Restarts (v1 query G) is intentionally
+// omitted to match the v2 pods/deployments pattern.
+//
+// Every builder query carries a base filter `k8s.statefulset.name != ”`.
+// Reason: pod-level metrics (A..F) are emitted for every pod regardless of whether the
+// pod belongs to a StatefulSet; only StatefulSet-owned pods carry the
+// `k8s.statefulset.name` resource attribute. Without this filter, standalone pods and
+// pods owned by other workloads (Deployment/DaemonSet/Job/...) collapse into a single
+// empty-string group under the default groupBy. v1's GetStatefulSetList applied the same
+// filter via FilterOperatorExists; this matches v1 parity. The base filter merges
+// cleanly with user filters via mergeFilterExpressions / buildFullQueryRequest.
+func (m *module) newStatefulSetsTableListQuery() *qbtypes.QueryRangeRequest {
+	queries := []qbtypes.QueryEnvelope{
+		// Query A: k8s.pod.cpu.usage — sum of pod CPU within the group.
+		{
+			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,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query B: k8s.pod.cpu_request_utilization — avg across pods in the group.
+		{
+			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,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query C: k8s.pod.cpu_limit_utilization — avg across pods in the group.
+		{
+			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,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query D: k8s.pod.memory.working_set — sum of pod memory within the group.
+		{
+			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,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query E: k8s.pod.memory_request_utilization — avg across pods in the group.
+		{
+			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,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query F: k8s.pod.memory_limit_utilization — avg across pods in the group.
+		{
+			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,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query H: k8s.statefulset.desired_pods — latest known desired replica count per group.
+		// v1 used TimeAggregationAnyLast (v3) → mapped to TimeAggregationLatest in v5;
+		// SpaceAggregationSum + ReduceToLast preserve v1's "latest, summed across the group".
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "H",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.statefulset.desired_pods",
+						TimeAggregation:  metrictypes.TimeAggregationLatest,
+						SpaceAggregation: metrictypes.SpaceAggregationSum,
+						ReduceTo:         qbtypes.ReduceToLast,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+		// Query I: k8s.statefulset.current_pods — latest known current replica count per group.
+		{
+			Type: qbtypes.QueryTypeBuilder,
+			Spec: qbtypes.QueryBuilderQuery[qbtypes.MetricAggregation]{
+				Name:   "I",
+				Signal: telemetrytypes.SignalMetrics,
+				Aggregations: []qbtypes.MetricAggregation{
+					{
+						MetricName:       "k8s.statefulset.current_pods",
+						TimeAggregation:  metrictypes.TimeAggregationLatest,
+						SpaceAggregation: metrictypes.SpaceAggregationSum,
+						ReduceTo:         qbtypes.ReduceToLast,
+					},
+				},
+				Filter: &qbtypes.Filter{
+					Expression: statefulSetsBaseFilterExpr,
+				},
+				GroupBy:  []qbtypes.GroupByKey{statefulSetNameGroupByKey},
+				Disabled: false,
+			},
+		},
+	}
+
+	return &qbtypes.QueryRangeRequest{
+		RequestType: qbtypes.RequestTypeScalar,
+		CompositeQuery: qbtypes.CompositeQuery{
+			Queries: queries,
+		},
+	}
+}

pkg/modules/inframonitoring/inframonitoring.go

@@ -16,6 +16,7 @@ type Handler interface {
 	ListClusters(http.ResponseWriter, *http.Request)
 	ListVolumes(http.ResponseWriter, *http.Request)
 	ListDeployments(http.ResponseWriter, *http.Request)
+	ListStatefulSets(http.ResponseWriter, *http.Request)
 }
 
 type Module interface {
@@ -26,4 +27,5 @@ type Module interface {
 	ListClusters(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableClusters) (*inframonitoringtypes.Clusters, error)
 	ListVolumes(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableVolumes) (*inframonitoringtypes.Volumes, error)
 	ListDeployments(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableDeployments) (*inframonitoringtypes.Deployments, error)
+	ListStatefulSets(ctx context.Context, orgID valuer.UUID, req *inframonitoringtypes.PostableStatefulSets) (*inframonitoringtypes.StatefulSets, error)
 }

pkg/types/inframonitoringtypes/statefulsets.go

@@ -0,0 +1,105 @@
+package inframonitoringtypes
+
+import (
+	"encoding/json"
+	"slices"
+
+	"github.com/SigNoz/signoz/pkg/errors"
+	qbtypes "github.com/SigNoz/signoz/pkg/types/querybuildertypes/querybuildertypesv5"
+)
+
+type StatefulSets struct {
+	Type                   ResponseType           `json:"type" required:"true"`
+	Records                []StatefulSetRecord    `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 StatefulSetRecord struct {
+	StatefulSetName          string            `json:"statefulSetName" required:"true"`
+	StatefulSetCPU           float64           `json:"statefulSetCPU" required:"true"`
+	StatefulSetCPURequest    float64           `json:"statefulSetCPURequest" required:"true"`
+	StatefulSetCPULimit      float64           `json:"statefulSetCPULimit" required:"true"`
+	StatefulSetMemory        float64           `json:"statefulSetMemory" required:"true"`
+	StatefulSetMemoryRequest float64           `json:"statefulSetMemoryRequest" required:"true"`
+	StatefulSetMemoryLimit   float64           `json:"statefulSetMemoryLimit" required:"true"`
+	DesiredPods              int               `json:"desiredPods" required:"true"`
+	CurrentPods              int               `json:"currentPods" required:"true"`
+	PodCountsByPhase         PodCountsByPhase  `json:"podCountsByPhase" required:"true"`
+	Meta                     map[string]string `json:"meta" required:"true"`
+}
+
+// PostableStatefulSets is the request body for the v2 statefulsets list API.
+type PostableStatefulSets 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 PostableStatefulSets contains acceptable values.
+func (req *PostableStatefulSets) 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(StatefulSetsValidOrderByKeys, 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 *PostableStatefulSets) UnmarshalJSON(data []byte) error {
+	type raw PostableStatefulSets
+	var decoded raw
+	if err := json.Unmarshal(data, &decoded); err != nil {
+		return err
+	}
+	*req = PostableStatefulSets(decoded)
+	return req.Validate()
+}

pkg/types/inframonitoringtypes/statefulsets_constants.go

@@ -0,0 +1,23 @@
+package inframonitoringtypes
+
+const (
+	StatefulSetsOrderByCPU           = "cpu"
+	StatefulSetsOrderByCPURequest    = "cpu_request"
+	StatefulSetsOrderByCPULimit      = "cpu_limit"
+	StatefulSetsOrderByMemory        = "memory"
+	StatefulSetsOrderByMemoryRequest = "memory_request"
+	StatefulSetsOrderByMemoryLimit   = "memory_limit"
+	StatefulSetsOrderByDesiredPods   = "desired_pods"
+	StatefulSetsOrderByCurrentPods   = "current_pods"
+)
+
+var StatefulSetsValidOrderByKeys = []string{
+	StatefulSetsOrderByCPU,
+	StatefulSetsOrderByCPURequest,
+	StatefulSetsOrderByCPULimit,
+	StatefulSetsOrderByMemory,
+	StatefulSetsOrderByMemoryRequest,
+	StatefulSetsOrderByMemoryLimit,
+	StatefulSetsOrderByDesiredPods,
+	StatefulSetsOrderByCurrentPods,
+}

pkg/types/inframonitoringtypes/statefulsets_test.go

@@ -0,0 +1,273 @@
+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 TestPostableStatefulSets_Validate(t *testing.T) {
+	tests := []struct {
+		name    string
+		req     *PostableStatefulSets
+		wantErr bool
+	}{
+		{
+			name: "valid request",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: false,
+		},
+		{
+			name:    "nil request",
+			req:     nil,
+			wantErr: true,
+		},
+		{
+			name: "start time zero",
+			req: &PostableStatefulSets{
+				Start:  0,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "start time negative",
+			req: &PostableStatefulSets{
+				Start:  -1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "end time zero",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    0,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "start time greater than end time",
+			req: &PostableStatefulSets{
+				Start:  2000,
+				End:    1000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "start time equal to end time",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    1000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "limit zero",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  0,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "limit negative",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  -10,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "limit exceeds max",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  5001,
+				Offset: 0,
+			},
+			wantErr: true,
+		},
+		{
+			name: "offset negative",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: -5,
+			},
+			wantErr: true,
+		},
+		{
+			name: "orderBy nil is valid",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with valid key cpu and direction asc",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: StatefulSetsOrderByCPU,
+						},
+					},
+					Direction: qbtypes.OrderDirectionAsc,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with valid key memory_limit and direction desc",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: StatefulSetsOrderByMemoryLimit,
+						},
+					},
+					Direction: qbtypes.OrderDirectionDesc,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with valid key desired_pods and direction desc",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: StatefulSetsOrderByDesiredPods,
+						},
+					},
+					Direction: qbtypes.OrderDirectionDesc,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with valid key current_pods and direction asc",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: StatefulSetsOrderByCurrentPods,
+						},
+					},
+					Direction: qbtypes.OrderDirectionAsc,
+				},
+			},
+			wantErr: false,
+		},
+		{
+			name: "orderBy with restarts key is rejected",
+			req: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: "restarts",
+						},
+					},
+					Direction: qbtypes.OrderDirectionDesc,
+				},
+			},
+			wantErr: true,
+		},
+		{
+			name: "orderBy with invalid key",
+			req: &PostableStatefulSets{
+				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: &PostableStatefulSets{
+				Start:  1000,
+				End:    2000,
+				Limit:  100,
+				Offset: 0,
+				OrderBy: &qbtypes.OrderBy{
+					Key: qbtypes.OrderByKey{
+						TelemetryFieldKey: telemetrytypes.TelemetryFieldKey{
+							Name: StatefulSetsOrderByCPU,
+						},
+					},
+					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)
+			}
+		})
+	}
+}