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feat(inputs.opentelemetry): Add profiles support (influxdata#15637)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| package opentelemetry | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/hex" | ||
| "fmt" | ||
| "strconv" | ||
| "strings" | ||
| "time" | ||
|
|
||
| service "go.opentelemetry.io/proto/otlp/collector/profiles/v1experimental" | ||
| "google.golang.org/protobuf/encoding/protojson" | ||
|
|
||
| "github.com/influxdata/telegraf" | ||
| "github.com/influxdata/telegraf/filter" | ||
| ) | ||
|
|
||
| type profileService struct { | ||
| service.UnimplementedProfilesServiceServer | ||
|
|
||
| acc telegraf.Accumulator | ||
| filter filter.Filter | ||
| logger telegraf.Logger | ||
| } | ||
|
|
||
| func newProfileService(acc telegraf.Accumulator, logger telegraf.Logger, dimensions []string) (*profileService, error) { | ||
| // Check for duplicate dimensions | ||
| seen := make(map[string]bool, len(dimensions)) | ||
| duplicates := make([]string, 0) | ||
| dims := make([]string, 0, len(dimensions)) | ||
| for _, d := range dimensions { | ||
| if seen[d] { | ||
| duplicates = append(duplicates, d) | ||
| continue | ||
| } | ||
| dims = append(dims, d) | ||
| seen[d] = true | ||
| } | ||
| if len(duplicates) > 0 { | ||
| return nil, fmt.Errorf("duplicate profile dimension(s) configured: %s", strings.Join(duplicates, ",")) | ||
| } | ||
| f, err := filter.Compile(dims) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("compiling dimensions filter failed: %w", err) | ||
| } | ||
|
|
||
| return &profileService{ | ||
| acc: acc, | ||
| filter: f, | ||
| logger: logger, | ||
| }, nil | ||
| } | ||
|
|
||
| func (s *profileService) Export(_ context.Context, req *service.ExportProfilesServiceRequest) (*service.ExportProfilesServiceResponse, error) { | ||
| // Output the received message for debugging | ||
| buf, err := protojson.Marshal(req) | ||
| if err != nil { | ||
| s.logger.Errorf("marshalling received profile failed: %v", err) | ||
| } else { | ||
| s.logger.Debugf("received profile: %s", string(buf)) | ||
| } | ||
|
|
||
| for _, rp := range req.ResourceProfiles { | ||
| // Extract the requested attributes that should be added as tags | ||
| attrtags := make(map[string]string) | ||
| for _, attr := range rp.Resource.Attributes { | ||
| if s.filter.Match(attr.Key) { | ||
| attrtags[attr.Key] = attr.GetValue().GetStringValue() | ||
| } | ||
| } | ||
|
|
||
| for _, sp := range rp.ScopeProfiles { | ||
| for _, p := range sp.Profiles { | ||
| for i, sample := range p.Profile.Sample { | ||
| for j := sample.LocationsStartIndex; j < sample.LocationsStartIndex+sample.LocationsLength; j++ { | ||
| for validx, value := range sample.Value { | ||
| loc := p.Profile.Location[j] | ||
| locations := make([]string, 0, len(loc.Line)) | ||
| for _, line := range loc.Line { | ||
| f := p.Profile.Function[line.FunctionIndex] | ||
| fileloc := p.Profile.StringTable[f.Filename] | ||
| if f.StartLine > 0 { | ||
| if fileloc != "" { | ||
| fileloc += " " | ||
| } | ||
| fileloc += "line " + strconv.FormatInt(f.StartLine, 10) | ||
| } | ||
| l := p.Profile.StringTable[f.Name] | ||
| if fileloc != "" { | ||
| l += "(" + fileloc + ")" | ||
| } | ||
| locations = append(locations, l) | ||
| } | ||
| mapping := p.Profile.Mapping[loc.MappingIndex] | ||
| tags := map[string]string{ | ||
| "profile_id": hex.EncodeToString(p.ProfileId), | ||
| "sample": strconv.Itoa(i), | ||
| "sample_name": p.Profile.StringTable[p.Profile.PeriodType.Type], | ||
| "sample_unit": p.Profile.StringTable[p.Profile.PeriodType.Unit], | ||
| "sample_type": p.Profile.StringTable[p.Profile.SampleType[validx].Type], | ||
| "sample_type_unit": p.Profile.StringTable[p.Profile.SampleType[validx].Unit], | ||
| "address": "0x" + strconv.FormatUint(loc.Address, 16), | ||
| } | ||
| for k, v := range attrtags { | ||
| tags[k] = v | ||
| } | ||
| fields := map[string]interface{}{ | ||
| "start_time_unix_nano": p.StartTimeUnixNano, | ||
| "end_time_unix_nano": p.EndTimeUnixNano, | ||
| "location": strings.Join(locations, ","), | ||
| "frame_type": p.Profile.StringTable[loc.TypeIndex], | ||
| "stack_trace_id": p.Profile.StringTable[sample.StacktraceIdIndex], | ||
| "memory_start": mapping.MemoryStart, | ||
| "memory_limit": mapping.MemoryLimit, | ||
| "filename": p.Profile.StringTable[mapping.Filename], | ||
| "file_offset": mapping.FileOffset, | ||
| "build_id": p.Profile.StringTable[mapping.BuildId], | ||
| "build_id_type": mapping.BuildIdKind.String(), | ||
| "value": value, | ||
| } | ||
| for _, idx := range sample.Attributes { | ||
| attr := p.Profile.AttributeTable[idx] | ||
| fields[attr.Key] = attr.GetValue().Value | ||
| } | ||
| ts := sample.TimestampsUnixNano[validx] | ||
| s.acc.AddFields("profiles", fields, tags, time.Unix(0, int64(ts))) | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| return &service.ExportProfilesServiceResponse{}, nil | ||
| } |
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