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Merge pull request #170 from signalfx/translator
moving translator from signalfx/sapm-proto to golib to avoid circular
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // Copyright 2019 Splunk, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package translator | ||
|
|
||
| import ( | ||
| "crypto/sha256" | ||
| "fmt" | ||
|
|
||
| "github.com/gogo/protobuf/proto" | ||
| jaegerpb "github.com/jaegertracing/jaeger/model" | ||
| ) | ||
|
|
||
| type bucketID [32]byte | ||
|
|
||
| // spanBatcher is simpler version of OpenTelemetry's Node Batcher. | ||
| // spanBatcher takes spans and groups them into Jaeger Batches using | ||
| // the Span Process objects. | ||
| type spanBatcher struct { | ||
| buckets map[bucketID]*jaegerpb.Batch | ||
| } | ||
|
|
||
| func (b *spanBatcher) add(span *jaegerpb.Span) { | ||
| if b.buckets == nil { | ||
| b.buckets = make(map[bucketID]*jaegerpb.Batch) | ||
| } | ||
|
|
||
| batchByProcess := span.Process | ||
| id, err := b.genBucketID(span.Process) | ||
| if err != nil { | ||
| batchByProcess = nil | ||
| } | ||
|
|
||
| batch := b.getOrAddBatch(id, batchByProcess) | ||
| if batch.Process != nil { | ||
| span.Process = nil | ||
| } | ||
| batch.Spans = append(batch.Spans, span) | ||
| } | ||
|
|
||
| func (b *spanBatcher) batches() []*jaegerpb.Batch { | ||
| batches := make([]*jaegerpb.Batch, 0, len(b.buckets)) | ||
| for _, b := range b.buckets { | ||
| batches = append(batches, b) | ||
| } | ||
| return batches | ||
| } | ||
|
|
||
| func (b *spanBatcher) genBucketID(process *jaegerpb.Process) (bucketID, error) { | ||
| if process != nil { | ||
| sortTags(process.Tags) | ||
| key, err := proto.Marshal(process) | ||
| if err != nil { | ||
| return bucketID{}, fmt.Errorf("error generating bucket ID: %s", err.Error()) | ||
| } | ||
| return sha256.Sum256(key), nil | ||
| } | ||
| return bucketID{}, nil | ||
| } | ||
|
|
||
| func (b *spanBatcher) getOrAddBatch(id bucketID, p *jaegerpb.Process) *jaegerpb.Batch { | ||
| batch, ok := b.buckets[id] | ||
| if !ok { | ||
| batch = &jaegerpb.Batch{ | ||
| Process: p, | ||
| } | ||
| b.buckets[id] = batch | ||
| } | ||
| return batch | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| // Copyright 2019 Splunk, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package translator | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| jaegerpb "github.com/jaegertracing/jaeger/model" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestBatcher(t *testing.T) { | ||
| p1 := &jaegerpb.Process{ | ||
| ServiceName: "s1", | ||
| Tags: []jaegerpb.KeyValue{ | ||
| { | ||
| Key: "k1", | ||
| VType: jaegerpb.ValueType_STRING, | ||
| VStr: "v1", | ||
| }, | ||
| { | ||
| Key: "k2", | ||
| VType: jaegerpb.ValueType_STRING, | ||
| VStr: "v2", | ||
| }, | ||
| }, | ||
| } | ||
| p2 := &jaegerpb.Process{ | ||
| ServiceName: "s1", | ||
| Tags: []jaegerpb.KeyValue{ | ||
| { | ||
| Key: "k2", | ||
| VType: jaegerpb.ValueType_STRING, | ||
| VStr: "v2", | ||
| }, | ||
| { | ||
| Key: "k1", | ||
| VType: jaegerpb.ValueType_STRING, | ||
| VStr: "v1", | ||
| }, | ||
| }, | ||
| } | ||
| p3 := &jaegerpb.Process{ServiceName: "s2"} | ||
| p4 := &jaegerpb.Process{ServiceName: "s3"} | ||
|
|
||
| spans := []*jaegerpb.Span{ | ||
| {Process: p1, SpanID: jaegerpb.SpanID(1)}, | ||
| {Process: p1, SpanID: jaegerpb.SpanID(2)}, | ||
| {Process: p2, SpanID: jaegerpb.SpanID(3)}, | ||
| {Process: p3, SpanID: jaegerpb.SpanID(4)}, | ||
| {Process: p3, SpanID: jaegerpb.SpanID(5)}, | ||
| {Process: p4, SpanID: jaegerpb.SpanID(6)}, | ||
| {Process: p4, SpanID: jaegerpb.SpanID(7)}, | ||
| {SpanID: jaegerpb.SpanID(8)}, | ||
| {SpanID: jaegerpb.SpanID(9)}, | ||
| } | ||
|
|
||
| b := &spanBatcher{} | ||
| for _, s := range spans { | ||
| b.add(s) | ||
| } | ||
|
|
||
| batches := b.batches() | ||
| assert.Len(t, batches, 4) | ||
|
|
||
| b1 := findBatchWithProcessServiceName(batches, p1) | ||
| assert.NotNil(t, b1) | ||
| assert.Equal(t, b1.Process, p1) | ||
| assertSpansAreEqual(t, b1.Spans, []*jaegerpb.Span{spans[0], spans[1], spans[2]}) | ||
|
|
||
| b2 := findBatchWithProcessServiceName(batches, p2) | ||
| assert.Equal(t, b1, b2) | ||
|
|
||
| b3 := findBatchWithProcessServiceName(batches, p3) | ||
| assert.NotNil(t, b3) | ||
| assert.Equal(t, b3.Process, p3) | ||
| assertSpansAreEqual(t, b3.Spans, []*jaegerpb.Span{spans[3], spans[4]}) | ||
|
|
||
| b4 := findBatchWithProcessServiceName(batches, p4) | ||
| assert.NotNil(t, b4) | ||
| assert.Equal(t, b4.Process, p4) | ||
| assertSpansAreEqual(t, b4.Spans, []*jaegerpb.Span{spans[5], spans[6]}) | ||
|
|
||
| var nilProcess *jaegerpb.Process | ||
| b5 := findBatchWithProcessServiceName(batches, nil) | ||
| assert.NotNil(t, b5) | ||
| assert.Equal(t, b5.Process, nilProcess) | ||
| assertSpansAreEqual(t, b5.Spans, []*jaegerpb.Span{spans[7], spans[8]}) | ||
|
|
||
| for _, s := range spans { | ||
| assert.Nil(t, s.Process) | ||
| } | ||
| } | ||
|
|
||
| func findBatchWithProcessServiceName(batches []*jaegerpb.Batch, p *jaegerpb.Process) *jaegerpb.Batch { | ||
| for _, b := range batches { | ||
| if p == nil { | ||
| if b.Process == nil { | ||
| return b | ||
| } | ||
| } else { | ||
| if b.Process != nil && b.Process.ServiceName == p.ServiceName { | ||
| return b | ||
| } | ||
| } | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| // Copyright 2019 Splunk, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package translator | ||
|
|
||
| const ( | ||
| peerHostIPv4 = "peer.ipv4" | ||
| peerHostIPv6 = "peer.ipv6" | ||
| peerPort = "peer.port" | ||
| spanKind = "span.kind" | ||
| spanKindRPCClient = "client" | ||
| spanKindRPCServer = "server" | ||
| spanKindProducer = "producer" | ||
| spanKindConsumer = "consumer" | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // Copyright 2019 Splunk, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package translator | ||
|
|
||
| import ( | ||
| "net/http" | ||
| ) | ||
|
|
||
| // This code is taken from OpenTelemetry project in order to avoid adding the whole project as a dependency. | ||
|
|
||
| // https://github.com/googleapis/googleapis/blob/bee79fbe03254a35db125dc6d2f1e9b752b390fe/google/rpc/code.proto#L33-L186 | ||
| const ( | ||
| OCOK = 0 | ||
| OCCancelled = 1 | ||
| OCUnknown = 2 | ||
| OCInvalidArgument = 3 | ||
| OCDeadlineExceeded = 4 | ||
| OCNotFound = 5 | ||
| OCAlreadyExists = 6 | ||
| OCPermissionDenied = 7 | ||
| OCResourceExhausted = 8 | ||
| OCFailedPrecondition = 9 | ||
| OCAborted = 10 | ||
| OCOutOfRange = 11 | ||
| OCUnimplemented = 12 | ||
| OCInternal = 13 | ||
| OCUnavailable = 14 | ||
| OCDataLoss = 15 | ||
| OCUnauthenticated = 16 | ||
| ) | ||
|
|
||
| var httpToOCCodeMap = map[int32]int32{ | ||
| 401: OCUnauthenticated, | ||
| 403: OCPermissionDenied, | ||
| 404: OCNotFound, | ||
| 429: OCResourceExhausted, | ||
| 499: OCCancelled, | ||
| 501: OCUnimplemented, | ||
| 503: OCUnavailable, | ||
| 504: OCDeadlineExceeded, | ||
| } | ||
|
|
||
| // OCStatusCodeFromHTTP takes an HTTP status code and return the appropriate OpenTelemetry status code | ||
| // See: https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/data-http.md | ||
| func OCStatusCodeFromHTTP(code int32) int32 { | ||
| if code >= 100 && code < 400 { | ||
| return OCOK | ||
| } | ||
| if rvCode, ok := httpToOCCodeMap[code]; ok { | ||
| return rvCode | ||
| } | ||
| if code >= 400 && code < 500 { | ||
| return OCInvalidArgument | ||
| } | ||
| if code >= 500 && code < 600 { | ||
| return OCInternal | ||
| } | ||
| return OCUnknown | ||
| } | ||
|
|
||
| var ocToHTTPCodeMap = map[int32]int32{ | ||
| OCOK: http.StatusOK, | ||
| OCCancelled: 499, | ||
| OCUnknown: http.StatusInternalServerError, | ||
| OCInvalidArgument: http.StatusBadRequest, | ||
| OCDeadlineExceeded: http.StatusGatewayTimeout, | ||
| OCNotFound: http.StatusNotFound, | ||
| OCAlreadyExists: http.StatusConflict, | ||
| OCPermissionDenied: http.StatusForbidden, | ||
| OCResourceExhausted: http.StatusTooManyRequests, | ||
| OCFailedPrecondition: http.StatusPreconditionFailed, | ||
| OCAborted: http.StatusConflict, | ||
| OCOutOfRange: http.StatusRequestedRangeNotSatisfiable, | ||
| OCUnimplemented: http.StatusNotImplemented, | ||
| OCInternal: http.StatusInternalServerError, | ||
| OCUnavailable: http.StatusServiceUnavailable, | ||
| OCDataLoss: http.StatusUnprocessableEntity, | ||
| OCUnauthenticated: http.StatusUnauthorized, | ||
| } | ||
|
|
||
| // HTTPStatusCodeFromOCStatus takes an OpenTelemetry status code and return the appropriate HTTP status code | ||
| // See: https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/data-http.md | ||
| func HTTPStatusCodeFromOCStatus(code int32) int32 { | ||
| if rvCode, ok := ocToHTTPCodeMap[code]; ok { | ||
| return rvCode | ||
| } | ||
| return http.StatusInternalServerError | ||
| } |
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