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feat: Add baseline rf1 querier implementation (#13639)
Co-authored-by: Cyril Tovena <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| package querierrf1 | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "net/http" | ||
|
|
||
| "github.com/grafana/loki/v3/pkg/loghttp" | ||
| "github.com/grafana/loki/v3/pkg/logproto" | ||
| "github.com/grafana/loki/v3/pkg/querier/queryrange" | ||
| "github.com/grafana/loki/v3/pkg/querier/queryrange/queryrangebase" | ||
| ) | ||
|
|
||
| type Handler struct { | ||
| api *QuerierAPI | ||
| } | ||
|
|
||
| func NewQuerierHandler(api *QuerierAPI) *Handler { | ||
| return &Handler{ | ||
| api: api, | ||
| } | ||
| } | ||
|
|
||
| func (h *Handler) Do(ctx context.Context, req queryrangebase.Request) (queryrangebase.Response, error) { | ||
|
|
||
| switch concrete := req.(type) { | ||
| case *queryrange.LokiRequest: | ||
| res, err := h.api.RangeQueryHandler(ctx, concrete) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| params, err := queryrange.ParamsFromRequest(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return queryrange.ResultToResponse(res, params) | ||
| case *queryrange.LokiInstantRequest: | ||
| res, err := h.api.InstantQueryHandler(ctx, concrete) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| params, err := queryrange.ParamsFromRequest(req) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return queryrange.ResultToResponse(res, params) | ||
| case *queryrange.LokiSeriesRequest: | ||
| request := &logproto.SeriesRequest{ | ||
| Start: concrete.StartTs, | ||
| End: concrete.EndTs, | ||
| Groups: concrete.Match, | ||
| Shards: concrete.Shards, | ||
| } | ||
| result, statResult, err := h.api.SeriesHandler(ctx, request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &queryrange.LokiSeriesResponse{ | ||
| Status: "success", | ||
| Version: uint32(loghttp.VersionV1), | ||
| Data: result.Series, | ||
| Statistics: statResult, | ||
| }, nil | ||
| case *queryrange.LabelRequest: | ||
| res, err := h.api.LabelHandler(ctx, &concrete.LabelRequest) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &queryrange.LokiLabelNamesResponse{ | ||
| Status: "success", | ||
| Version: uint32(loghttp.VersionV1), | ||
| Data: res.Values, | ||
| }, nil | ||
| case *logproto.IndexStatsRequest: | ||
| request := loghttp.NewRangeQueryWithDefaults() | ||
| request.Start = concrete.From.Time() | ||
| request.End = concrete.Through.Time() | ||
| request.Query = concrete.GetQuery() | ||
| request.UpdateStep() | ||
|
|
||
| result, err := h.api.IndexStatsHandler(ctx, request) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &queryrange.IndexStatsResponse{Response: result}, nil | ||
| case *logproto.ShardsRequest: | ||
| request := loghttp.NewRangeQueryWithDefaults() | ||
| request.Start = concrete.From.Time() | ||
| request.End = concrete.Through.Time() | ||
| request.Query = concrete.GetQuery() | ||
| request.UpdateStep() | ||
| result, err := h.api.IndexShardsHandler(ctx, request, concrete.TargetBytesPerShard) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &queryrange.ShardsResponse{Response: result}, nil | ||
|
|
||
| case *logproto.VolumeRequest: | ||
| result, err := h.api.VolumeHandler(ctx, concrete) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &queryrange.VolumeResponse{Response: result}, nil | ||
| case *queryrange.DetectedFieldsRequest: | ||
| result, err := h.api.DetectedFieldsHandler(ctx, &concrete.DetectedFieldsRequest) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &queryrange.DetectedFieldsResponse{ | ||
| Response: result, | ||
| }, nil | ||
| case *logproto.QueryPatternsRequest: | ||
| result, err := h.api.PatternsHandler(ctx, concrete) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &queryrange.QueryPatternsResponse{ | ||
| Response: result, | ||
| }, nil | ||
| case *queryrange.DetectedLabelsRequest: | ||
| result, err := h.api.DetectedLabelsHandler(ctx, &concrete.DetectedLabelsRequest) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &queryrange.DetectedLabelsResponse{Response: result}, nil | ||
| case *logproto.QuerySamplesRequest: | ||
| result, err := h.api.SamplesHandler(ctx, concrete) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &queryrange.QuerySamplesResponse{ | ||
| Response: result, | ||
| }, nil | ||
| default: | ||
| return nil, fmt.Errorf("unsupported query type %T", req) | ||
| } | ||
| } | ||
|
|
||
| func NewQuerierHTTPHandler(h *Handler) http.Handler { | ||
| return queryrange.NewSerializeHTTPHandler(h, queryrange.DefaultCodec) | ||
| } |
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