mirror of
https://git.mirrors.martin98.com/https://github.com/SigNoz/signoz
synced 2025-08-02 06:00:40 +08:00
409 lines
11 KiB
Go
409 lines
11 KiB
Go
package inframetrics
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import (
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"context"
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"math"
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"sort"
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"go.signoz.io/signoz/pkg/query-service/app/metrics/v4/helpers"
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"go.signoz.io/signoz/pkg/query-service/common"
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"go.signoz.io/signoz/pkg/query-service/interfaces"
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"go.signoz.io/signoz/pkg/query-service/model"
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v3 "go.signoz.io/signoz/pkg/query-service/model/v3"
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"go.signoz.io/signoz/pkg/query-service/postprocess"
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"golang.org/x/exp/slices"
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)
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var (
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metricToUseForPods = "k8s_pod_cpu_utilization"
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podAttrsToEnrich = []string{
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"k8s_pod_uid",
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"k8s_pod_name",
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"k8s_namespace_name",
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"k8s_node_name",
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"k8s_deployment_name",
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"k8s_statefulset_name",
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"k8s_daemonset_name",
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"k8s_job_name",
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"k8s_cronjob_name",
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"k8s_cluster_name",
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}
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k8sPodUIDAttrKey = "k8s_pod_uid"
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queryNamesForPods = map[string][]string{
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"cpu": {"A"},
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"cpu_request": {"B", "A"},
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"cpu_limit": {"C", "A"},
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"memory": {"D"},
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"memory_request": {"E", "D"},
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"memory_limit": {"F", "D"},
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"restarts": {"G", "A"},
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"pod_phase": {"H", "I", "J", "K"},
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}
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podQueryNames = []string{"A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K"}
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metricNamesForPods = map[string]string{
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"cpu": "k8s_pod_cpu_utilization",
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"cpu_request": "k8s_pod_cpu_request_utilization",
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"cpu_limit": "k8s_pod_cpu_limit_utilization",
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"memory": "k8s_pod_memory_usage",
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"memory_request": "k8s_pod_memory_request_utilization",
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"memory_limit": "k8s_pod_memory_limit_utilization",
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"restarts": "k8s_container_restarts",
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"pod_phase": "k8s_pod_phase",
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}
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)
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type PodsRepo struct {
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reader interfaces.Reader
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querierV2 interfaces.Querier
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}
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func NewPodsRepo(reader interfaces.Reader, querierV2 interfaces.Querier) *PodsRepo {
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return &PodsRepo{reader: reader, querierV2: querierV2}
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}
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func (p *PodsRepo) GetPodAttributeKeys(ctx context.Context, req v3.FilterAttributeKeyRequest) (*v3.FilterAttributeKeyResponse, error) {
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// TODO(srikanthccv): remove hardcoded metric name and support keys from any pod metric
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req.DataSource = v3.DataSourceMetrics
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req.AggregateAttribute = metricToUseForPods
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if req.Limit == 0 {
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req.Limit = 50
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}
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attributeKeysResponse, err := p.reader.GetMetricAttributeKeys(ctx, &req)
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if err != nil {
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return nil, err
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}
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// TODO(srikanthccv): only return resource attributes when we have a way to
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// distinguish between resource attributes and other attributes.
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filteredKeys := []v3.AttributeKey{}
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for _, key := range attributeKeysResponse.AttributeKeys {
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if slices.Contains(pointAttrsToIgnore, key.Key) {
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continue
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}
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filteredKeys = append(filteredKeys, key)
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}
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return &v3.FilterAttributeKeyResponse{AttributeKeys: filteredKeys}, nil
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}
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func (p *PodsRepo) GetPodAttributeValues(ctx context.Context, req v3.FilterAttributeValueRequest) (*v3.FilterAttributeValueResponse, error) {
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req.DataSource = v3.DataSourceMetrics
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req.AggregateAttribute = metricToUseForPods
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if req.Limit == 0 {
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req.Limit = 50
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}
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attributeValuesResponse, err := p.reader.GetMetricAttributeValues(ctx, &req)
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if err != nil {
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return nil, err
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}
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return attributeValuesResponse, nil
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}
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func (p *PodsRepo) getMetadataAttributes(ctx context.Context, req model.PodListRequest) (map[string]map[string]string, error) {
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podAttrs := map[string]map[string]string{}
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for _, key := range podAttrsToEnrich {
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hasKey := false
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for _, groupByKey := range req.GroupBy {
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if groupByKey.Key == key {
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hasKey = true
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break
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}
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}
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if !hasKey {
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req.GroupBy = append(req.GroupBy, v3.AttributeKey{Key: key})
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}
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}
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mq := v3.BuilderQuery{
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DataSource: v3.DataSourceMetrics,
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AggregateAttribute: v3.AttributeKey{
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Key: metricToUseForPods,
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DataType: v3.AttributeKeyDataTypeFloat64,
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},
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Temporality: v3.Unspecified,
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GroupBy: req.GroupBy,
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}
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query, err := helpers.PrepareTimeseriesFilterQuery(req.Start, req.End, &mq)
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if err != nil {
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return nil, err
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}
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query = localQueryToDistributedQuery(query)
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attrsListResponse, err := p.reader.GetListResultV3(ctx, query)
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if err != nil {
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return nil, err
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}
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for _, row := range attrsListResponse {
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stringData := map[string]string{}
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for key, value := range row.Data {
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if str, ok := value.(string); ok {
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stringData[key] = str
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} else if strPtr, ok := value.(*string); ok {
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stringData[key] = *strPtr
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}
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}
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podName := stringData[k8sPodUIDAttrKey]
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if _, ok := podAttrs[podName]; !ok {
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podAttrs[podName] = map[string]string{}
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}
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for _, key := range req.GroupBy {
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podAttrs[podName][key.Key] = stringData[key.Key]
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}
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}
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return podAttrs, nil
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}
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func (p *PodsRepo) getTopPodGroups(ctx context.Context, req model.PodListRequest, q *v3.QueryRangeParamsV3) ([]map[string]string, []map[string]string, error) {
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step, timeSeriesTableName, samplesTableName := getParamsForTopPods(req)
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queryNames := queryNamesForPods[req.OrderBy.ColumnName]
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topPodGroupsQueryRangeParams := &v3.QueryRangeParamsV3{
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Start: req.Start,
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End: req.End,
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Step: step,
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CompositeQuery: &v3.CompositeQuery{
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BuilderQueries: map[string]*v3.BuilderQuery{},
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QueryType: v3.QueryTypeBuilder,
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PanelType: v3.PanelTypeTable,
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},
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}
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for _, queryName := range queryNames {
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query := q.CompositeQuery.BuilderQueries[queryName].Clone()
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query.StepInterval = step
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query.MetricTableHints = &v3.MetricTableHints{
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TimeSeriesTableName: timeSeriesTableName,
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SamplesTableName: samplesTableName,
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}
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if req.Filters != nil && len(req.Filters.Items) > 0 {
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if query.Filters == nil {
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query.Filters = &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{}}
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}
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query.Filters.Items = append(query.Filters.Items, req.Filters.Items...)
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}
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topPodGroupsQueryRangeParams.CompositeQuery.BuilderQueries[queryName] = query
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}
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queryResponse, _, err := p.querierV2.QueryRange(ctx, topPodGroupsQueryRangeParams)
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if err != nil {
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return nil, nil, err
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}
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formattedResponse, err := postprocess.PostProcessResult(queryResponse, topPodGroupsQueryRangeParams)
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if err != nil {
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return nil, nil, err
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}
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if len(formattedResponse) == 0 || len(formattedResponse[0].Series) == 0 {
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return nil, nil, nil
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}
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if req.OrderBy.Order == v3.DirectionDesc {
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sort.Slice(formattedResponse[0].Series, func(i, j int) bool {
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return formattedResponse[0].Series[i].Points[0].Value > formattedResponse[0].Series[j].Points[0].Value
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})
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} else {
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sort.Slice(formattedResponse[0].Series, func(i, j int) bool {
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return formattedResponse[0].Series[i].Points[0].Value < formattedResponse[0].Series[j].Points[0].Value
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})
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}
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limit := math.Min(float64(req.Offset+req.Limit), float64(len(formattedResponse[0].Series)))
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paginatedTopPodGroupsSeries := formattedResponse[0].Series[req.Offset:int(limit)]
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topPodGroups := []map[string]string{}
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for _, series := range paginatedTopPodGroupsSeries {
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topPodGroups = append(topPodGroups, series.Labels)
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}
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allPodGroups := []map[string]string{}
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for _, series := range formattedResponse[0].Series {
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allPodGroups = append(allPodGroups, series.Labels)
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}
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return topPodGroups, allPodGroups, nil
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}
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func (p *PodsRepo) GetPodList(ctx context.Context, req model.PodListRequest) (model.PodListResponse, error) {
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resp := model.PodListResponse{}
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if req.Limit == 0 {
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req.Limit = 10
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}
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if req.OrderBy == nil {
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req.OrderBy = &v3.OrderBy{ColumnName: "cpu", Order: v3.DirectionDesc}
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}
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if req.GroupBy == nil {
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req.GroupBy = []v3.AttributeKey{{Key: k8sPodUIDAttrKey}}
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resp.Type = model.ResponseTypeList
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} else {
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resp.Type = model.ResponseTypeGroupedList
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}
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step := int64(math.Max(float64(common.MinAllowedStepInterval(req.Start, req.End)), 60))
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query := PodsTableListQuery.Clone()
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query.Start = req.Start
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query.End = req.End
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query.Step = step
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for _, query := range query.CompositeQuery.BuilderQueries {
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query.StepInterval = step
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if req.Filters != nil && len(req.Filters.Items) > 0 {
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if query.Filters == nil {
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query.Filters = &v3.FilterSet{Operator: "AND", Items: []v3.FilterItem{}}
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}
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query.Filters.Items = append(query.Filters.Items, req.Filters.Items...)
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}
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query.GroupBy = req.GroupBy
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}
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podAttrs, err := p.getMetadataAttributes(ctx, req)
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if err != nil {
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return resp, err
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}
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topPodGroups, allPodGroups, err := p.getTopPodGroups(ctx, req, query)
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if err != nil {
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return resp, err
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}
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groupFilters := map[string][]string{}
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for _, topPodGroup := range topPodGroups {
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for k, v := range topPodGroup {
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groupFilters[k] = append(groupFilters[k], v)
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}
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}
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for groupKey, groupValues := range groupFilters {
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hasGroupFilter := false
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if req.Filters != nil && len(req.Filters.Items) > 0 {
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for _, filter := range req.Filters.Items {
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if filter.Key.Key == groupKey {
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hasGroupFilter = true
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break
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}
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}
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}
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if !hasGroupFilter {
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for _, query := range query.CompositeQuery.BuilderQueries {
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query.Filters.Items = append(query.Filters.Items, v3.FilterItem{
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Key: v3.AttributeKey{Key: groupKey},
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Value: groupValues,
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Operator: v3.FilterOperatorIn,
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})
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}
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}
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}
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queryResponse, _, err := p.querierV2.QueryRange(ctx, query)
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if err != nil {
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return resp, err
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}
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formattedResponse, err := postprocess.PostProcessResult(queryResponse, query)
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if err != nil {
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return resp, err
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}
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records := []model.PodListRecord{}
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for _, result := range formattedResponse {
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for _, row := range result.Table.Rows {
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record := model.PodListRecord{
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PodCPU: -1,
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PodCPURequest: -1,
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PodCPULimit: -1,
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PodMemory: -1,
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PodMemoryRequest: -1,
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PodMemoryLimit: -1,
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RestartCount: -1,
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}
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if podUID, ok := row.Data[k8sPodUIDAttrKey].(string); ok {
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record.PodUID = podUID
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}
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if cpu, ok := row.Data["A"].(float64); ok {
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record.PodCPU = cpu
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}
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if cpuRequest, ok := row.Data["B"].(float64); ok {
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record.PodCPURequest = cpuRequest
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}
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if cpuLimit, ok := row.Data["C"].(float64); ok {
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record.PodCPULimit = cpuLimit
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}
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if memory, ok := row.Data["D"].(float64); ok {
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record.PodMemory = memory
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}
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if memoryRequest, ok := row.Data["E"].(float64); ok {
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record.PodMemoryRequest = memoryRequest
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}
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if memoryLimit, ok := row.Data["F"].(float64); ok {
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record.PodMemoryLimit = memoryLimit
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}
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if restarts, ok := row.Data["G"].(float64); ok {
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record.RestartCount = int(restarts)
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}
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if pending, ok := row.Data["H"].(float64); ok {
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record.CountByPhase.Pending = int(pending)
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}
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if running, ok := row.Data["I"].(float64); ok {
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record.CountByPhase.Running = int(running)
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}
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if succeeded, ok := row.Data["J"].(float64); ok {
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record.CountByPhase.Succeeded = int(succeeded)
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}
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if failed, ok := row.Data["K"].(float64); ok {
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record.CountByPhase.Failed = int(failed)
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}
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record.Meta = map[string]string{}
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if _, ok := podAttrs[record.PodUID]; ok {
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record.Meta = podAttrs[record.PodUID]
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}
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for k, v := range row.Data {
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if slices.Contains(podQueryNames, k) {
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continue
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}
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if labelValue, ok := v.(string); ok {
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record.Meta[k] = labelValue
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}
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}
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records = append(records, record)
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}
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}
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resp.Total = len(allPodGroups)
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resp.Records = records
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return resp, nil
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}
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