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Add JSON input support to zipkin plugin (#3150)

This commit is contained in:
Chris Goller 2017-08-21 19:24:54 -05:00 committed by Daniel Nelson
parent 1f1e9cc49f
commit 13a6b917c3
16 changed files with 3103 additions and 517 deletions
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3
plugins/inputs/zipkin/README.md
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@ -12,6 +12,9 @@ based on its main usage cases and the evolution of the OpenTracing standard.*
port = 9411 # Port on which Telegraf listens
```
The plugin accepts spans in `JSON` or `thrift` if the `Content-Type` is `application/json` or `application/x-thrift`, respectively.
If `Content-Type` is not set, then the plugin assumes it is `JSON` format.
## Tracing:
This plugin uses Annotations tags and fields to track data from spans

8
plugins/inputs/zipkin/cmd/thrift_serialize/thrift_serialize.go
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@ -62,13 +62,17 @@ func main() {
if err != nil {
log.Fatalf("%v\n", err)
}
ioutil.WriteFile(outFileName, raw, 0644)
if err := ioutil.WriteFile(outFileName, raw, 0644); err != nil {
log.Fatalf("%v", err)
}
case "thrift":
raw, err := thriftToJSONSpans(contents)
if err != nil {
log.Fatalf("%v\n", err)
}
ioutil.WriteFile(outFileName, raw, 0644)
if err := ioutil.WriteFile(outFileName, raw, 0644); err != nil {
log.Fatalf("%v", err)
}
default:
log.Fatalf("Unsupported input type")
}

210
plugins/inputs/zipkin/codec/codec.go Normal file
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@ -0,0 +1,210 @@
package codec
import (
"time"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/trace"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
)
//now is a mockable time for now
var now = time.Now
// DefaultServiceName when the span does not have any serviceName
const DefaultServiceName = "unknown"
// Decoder decodes the bytes and returns a trace
type Decoder interface {
Decode(octets []byte) ([]Span, error)
}
// Span are created by instrumentation in RPC clients or servers
type Span interface {
Trace() (string, error)
SpanID() (string, error)
Parent() (string, error)
Name() string
Annotations() []Annotation
BinaryAnnotations() ([]BinaryAnnotation, error)
Timestamp() time.Time
Duration() time.Duration
}
// Annotation represents an event that explains latency with a timestamp.
type Annotation interface {
Timestamp() time.Time
Value() string
Host() Endpoint
}
// BinaryAnnotation represent tags applied to a Span to give it context
type BinaryAnnotation interface {
Key() string
Value() string
Host() Endpoint
}
// Endpoint represents the network context of a service recording an annotation
type Endpoint interface {
Host() string
Name() string
}
// DefaultEndpoint is used if the annotations have no endpoints
type DefaultEndpoint struct{}
// Host returns 0.0.0.0; used when the host is unknown
func (d *DefaultEndpoint) Host() string { return "0.0.0.0" }
// Name returns "unknown" when an endpoint doesn't exist
func (d *DefaultEndpoint) Name() string { return DefaultServiceName }
// MicroToTime converts zipkin's native time of microseconds into time.Time
func MicroToTime(micro int64) time.Time {
return time.Unix(0, micro*int64(time.Microsecond)).UTC()
}
// NewTrace converts a slice of []Span into a new Trace
func NewTrace(spans []Span) (trace.Trace, error) {
tr := make(trace.Trace, len(spans))
for i, span := range spans {
bin, err := span.BinaryAnnotations()
if err != nil {
return nil, err
}
endpoint := serviceEndpoint(span.Annotations(), bin)
id, err := span.SpanID()
if err != nil {
return nil, err
}
tid, err := span.Trace()
if err != nil {
return nil, err
}
pid, err := parentID(span)
if err != nil {
return nil, err
}
tr[i] = trace.Span{
ID: id,
TraceID: tid,
Name: span.Name(),
Timestamp: guessTimestamp(span),
Duration: convertDuration(span),
ParentID: pid,
ServiceName: endpoint.Name(),
Annotations: NewAnnotations(span.Annotations(), endpoint),
BinaryAnnotations: NewBinaryAnnotations(bin, endpoint),
}
}
return tr, nil
}
// NewAnnotations converts a slice of Annotation into a slice of new Annotations
func NewAnnotations(annotations []Annotation, endpoint Endpoint) []trace.Annotation {
formatted := make([]trace.Annotation, len(annotations))
for i, annotation := range annotations {
formatted[i] = trace.Annotation{
Host: endpoint.Host(),
ServiceName: endpoint.Name(),
Timestamp: annotation.Timestamp(),
Value: annotation.Value(),
}
}
return formatted
}
// NewBinaryAnnotations is very similar to NewAnnotations, but it
// converts BinaryAnnotations instead of the normal Annotation
func NewBinaryAnnotations(annotations []BinaryAnnotation, endpoint Endpoint) []trace.BinaryAnnotation {
formatted := make([]trace.BinaryAnnotation, len(annotations))
for i, annotation := range annotations {
formatted[i] = trace.BinaryAnnotation{
Host: endpoint.Host(),
ServiceName: endpoint.Name(),
Key: annotation.Key(),
Value: annotation.Value(),
}
}
return formatted
}
func minMax(span Span) (time.Time, time.Time) {
min := now().UTC()
max := time.Time{}.UTC()
for _, annotation := range span.Annotations() {
ts := annotation.Timestamp()
if !ts.IsZero() && ts.Before(min) {
min = ts
}
if !ts.IsZero() && ts.After(max) {
max = ts
}
}
if max.IsZero() {
max = min
}
return min, max
}
func guessTimestamp(span Span) time.Time {
ts := span.Timestamp()
if !ts.IsZero() {
return ts
}
min, _ := minMax(span)
return min
}
func convertDuration(span Span) time.Duration {
duration := span.Duration()
if duration != 0 {
return duration
}
min, max := minMax(span)
return max.Sub(min)
}
func parentID(span Span) (string, error) {
// A parent ID of "" means that this is a parent span. In this case,
// we set the parent ID of the span to be its own id, so it points to
// itself.
id, err := span.Parent()
if err != nil {
return "", err
}
if id != "" {
return id, nil
}
return span.SpanID()
}
func serviceEndpoint(ann []Annotation, bann []BinaryAnnotation) Endpoint {
for _, a := range ann {
switch a.Value() {
case zipkincore.SERVER_RECV, zipkincore.SERVER_SEND, zipkincore.CLIENT_RECV, zipkincore.CLIENT_SEND:
if a.Host() != nil && a.Host().Name() != "" {
return a.Host()
}
}
}
for _, a := range bann {
if a.Key() == zipkincore.LOCAL_COMPONENT && a.Host() != nil && a.Host().Name() != "" {
return a.Host()
}
}
// Unable to find any "standard" endpoint host, so, use any that exist in the regular annotations
for _, a := range ann {
if a.Host() != nil && a.Host().Name() != "" {
return a.Host()
}
}
return &DefaultEndpoint{}
}

636
plugins/inputs/zipkin/codec/codec_test.go Normal file
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@ -0,0 +1,636 @@
package codec
import (
"fmt"
"reflect"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/trace"
)
func Test_MicroToTime(t *testing.T) {
type args struct {
micro int64
}
tests := []struct {
name string
micro int64
want time.Time
}{
{
name: "given zero micro seconds expected unix time zero",
micro: 0,
want: time.Unix(0, 0).UTC(),
},
{
name: "given a million micro seconds expected unix time one",
micro: 1000000,
want: time.Unix(1, 0).UTC(),
},
{
name: "given a million micro seconds expected unix time one",
micro: 1503031538791000,
want: time.Unix(0, 1503031538791000000).UTC(),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := MicroToTime(tt.micro); !reflect.DeepEqual(got, tt.want) {
t.Errorf("microToTime() = %v, want %v", got, tt.want)
}
})
}
}
func Test_minMax(t *testing.T) {
tests := []struct {
name string
span *MockSpan
now func() time.Time
wantMin time.Time
wantMax time.Time
}{
{
name: "Single annotation",
span: &MockSpan{
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(time.Second),
},
},
},
wantMin: time.Unix(1, 0).UTC(),
wantMax: time.Unix(1, 0).UTC(),
},
{
name: "Three annotations",
span: &MockSpan{
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(1 * time.Second),
},
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(2 * time.Second),
},
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(3 * time.Second),
},
},
},
wantMin: time.Unix(1, 0).UTC(),
wantMax: time.Unix(3, 0).UTC(),
},
{
name: "Annotations are in the future",
span: &MockSpan{
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(3 * time.Second),
},
},
},
wantMin: time.Unix(2, 0).UTC(),
wantMax: time.Unix(3, 0).UTC(),
now: func() time.Time {
return time.Unix(2, 0).UTC()
},
},
{
name: "No Annotations",
span: &MockSpan{
Anno: []Annotation{},
},
wantMin: time.Unix(2, 0).UTC(),
wantMax: time.Unix(2, 0).UTC(),
now: func() time.Time {
return time.Unix(2, 0).UTC()
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.now != nil {
now = tt.now
}
got, got1 := minMax(tt.span)
if !reflect.DeepEqual(got, tt.wantMin) {
t.Errorf("minMax() got = %v, want %v", got, tt.wantMin)
}
if !reflect.DeepEqual(got1, tt.wantMax) {
t.Errorf("minMax() got1 = %v, want %v", got1, tt.wantMax)
}
now = time.Now
})
}
}
func Test_guessTimestamp(t *testing.T) {
tests := []struct {
name string
span Span
now func() time.Time
want time.Time
}{
{
name: "simple timestamp",
span: &MockSpan{
Time: time.Unix(2, 0).UTC(),
},
want: time.Unix(2, 0).UTC(),
},
{
name: "zero timestamp",
span: &MockSpan{
Time: time.Time{},
},
now: func() time.Time {
return time.Unix(2, 0).UTC()
},
want: time.Unix(2, 0).UTC(),
},
{
name: "zero timestamp with single annotation",
span: &MockSpan{
Time: time.Time{},
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC(),
},
},
},
want: time.Unix(0, 0).UTC(),
},
{
name: "zero timestamp with two annotations",
span: &MockSpan{
Time: time.Time{},
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC(),
},
&MockAnnotation{
Time: time.Unix(2, 0).UTC(),
},
},
},
want: time.Unix(0, 0).UTC(),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.now != nil {
now = tt.now
}
if got := guessTimestamp(tt.span); !reflect.DeepEqual(got, tt.want) {
t.Errorf("guessTimestamp() = %v, want %v", got, tt.want)
}
now = time.Now
})
}
}
func Test_convertDuration(t *testing.T) {
tests := []struct {
name string
span Span
want time.Duration
}{
{
name: "simple duration",
span: &MockSpan{
Dur: time.Hour,
},
want: time.Hour,
},
{
name: "no timestamp, but, 2 seconds between annotations",
span: &MockSpan{
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(1 * time.Second),
},
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(2 * time.Second),
},
&MockAnnotation{
Time: time.Unix(0, 0).UTC().Add(3 * time.Second),
},
},
},
want: 2 * time.Second,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := convertDuration(tt.span); got != tt.want {
t.Errorf("convertDuration() = %v, want %v", got, tt.want)
}
})
}
}
func Test_parentID(t *testing.T) {
tests := []struct {
name string
span Span
want string
wantErr bool
}{
{
name: "has parent id",
span: &MockSpan{
ParentID: "6b221d5bc9e6496c",
},
want: "6b221d5bc9e6496c",
},
{
name: "no parent, so use id",
span: &MockSpan{
ID: "abceasyas123",
},
want: "abceasyas123",
},
{
name: "bad parent value",
span: &MockSpan{
Error: fmt.Errorf("Mommie Dearest"),
},
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := parentID(tt.span)
if (err != nil) != tt.wantErr {
t.Errorf("parentID() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("parentID() = %v, want %v", got, tt.want)
}
})
}
}
func Test_serviceEndpoint(t *testing.T) {
tests := []struct {
name string
ann []Annotation
bann []BinaryAnnotation
want Endpoint
}{
{
name: "Annotation with server receive",
ann: []Annotation{
&MockAnnotation{
Val: "battery",
H: &MockEndpoint{
name: "aa",
},
},
&MockAnnotation{
Val: "sr",
H: &MockEndpoint{
name: "me",
},
},
},
want: &MockEndpoint{
name: "me",
},
},
{
name: "Annotation with no standard values",
ann: []Annotation{
&MockAnnotation{
Val: "noop",
},
&MockAnnotation{
Val: "aa",
H: &MockEndpoint{
name: "battery",
},
},
},
want: &MockEndpoint{
name: "battery",
},
},
{
name: "Annotation with no endpoints",
ann: []Annotation{
&MockAnnotation{
Val: "noop",
},
},
want: &DefaultEndpoint{},
},
{
name: "Binary annotation with local component",
bann: []BinaryAnnotation{
&MockBinaryAnnotation{
K: "noop",
H: &MockEndpoint{
name: "aa",
},
},
&MockBinaryAnnotation{
K: "lc",
H: &MockEndpoint{
name: "me",
},
},
},
want: &MockEndpoint{
name: "me",
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := serviceEndpoint(tt.ann, tt.bann); !reflect.DeepEqual(got, tt.want) {
t.Errorf("serviceEndpoint() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewBinaryAnnotations(t *testing.T) {
tests := []struct {
name string
annotations []BinaryAnnotation
endpoint Endpoint
want []trace.BinaryAnnotation
}{
{
name: "Should override annotation with endpoint",
annotations: []BinaryAnnotation{
&MockBinaryAnnotation{
K: "mykey",
V: "myvalue",
H: &MockEndpoint{
host: "noop",
name: "noop",
},
},
},
endpoint: &MockEndpoint{
host: "myhost",
name: "myservice",
},
want: []trace.BinaryAnnotation{
trace.BinaryAnnotation{
Host: "myhost",
ServiceName: "myservice",
Key: "mykey",
Value: "myvalue",
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewBinaryAnnotations(tt.annotations, tt.endpoint); !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewBinaryAnnotations() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewAnnotations(t *testing.T) {
tests := []struct {
name string
annotations []Annotation
endpoint Endpoint
want []trace.Annotation
}{
{
name: "Should override annotation with endpoint",
annotations: []Annotation{
&MockAnnotation{
Time: time.Unix(0, 0).UTC(),
Val: "myvalue",
H: &MockEndpoint{
host: "noop",
name: "noop",
},
},
},
endpoint: &MockEndpoint{
host: "myhost",
name: "myservice",
},
want: []trace.Annotation{
trace.Annotation{
Host: "myhost",
ServiceName: "myservice",
Timestamp: time.Unix(0, 0).UTC(),
Value: "myvalue",
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := NewAnnotations(tt.annotations, tt.endpoint); !reflect.DeepEqual(got, tt.want) {
t.Errorf("NewAnnotations() = %v, want %v", got, tt.want)
}
})
}
}
func TestNewTrace(t *testing.T) {
tests := []struct {
name string
spans []Span
now func() time.Time
want trace.Trace
wantErr bool
}{
{
name: "empty span",
spans: []Span{
&MockSpan{},
},
now: func() time.Time {
return time.Unix(0, 0).UTC()
},
want: trace.Trace{
trace.Span{
ServiceName: "unknown",
Timestamp: time.Unix(0, 0).UTC(),
Annotations: []trace.Annotation{},
BinaryAnnotations: []trace.BinaryAnnotation{},
},
},
},
{
name: "span has no id",
spans: []Span{
&MockSpan{
Error: fmt.Errorf("Span has no id"),
},
},
wantErr: true,
},
{
name: "complete span",
spans: []Span{
&MockSpan{
TraceID: "tid",
ID: "id",
ParentID: "",
ServiceName: "me",
Anno: []Annotation{
&MockAnnotation{
Time: time.Unix(1, 0).UTC(),
Val: "myval",
H: &MockEndpoint{
host: "myhost",
name: "myname",
},
},
},
Time: time.Unix(0, 0).UTC(),
Dur: 2 * time.Second,
},
},
now: func() time.Time {
return time.Unix(0, 0).UTC()
},
want: trace.Trace{
trace.Span{
ID: "id",
ParentID: "id",
TraceID: "tid",
Name: "me",
ServiceName: "myname",
Timestamp: time.Unix(0, 0).UTC(),
Duration: 2 * time.Second,
Annotations: []trace.Annotation{
{
Timestamp: time.Unix(1, 0).UTC(),
Value: "myval",
Host: "myhost",
ServiceName: "myname",
},
},
BinaryAnnotations: []trace.BinaryAnnotation{},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.now != nil {
now = tt.now
}
got, err := NewTrace(tt.spans)
if (err != nil) != tt.wantErr {
t.Errorf("NewTrace() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !cmp.Equal(tt.want, got) {
t.Errorf("NewTrace() = %s", cmp.Diff(tt.want, got))
}
now = time.Now
})
}
}
type MockSpan struct {
TraceID string
ID string
ParentID string
ServiceName string
Anno []Annotation
BinAnno []BinaryAnnotation
Time time.Time
Dur time.Duration
Error error
}
func (m *MockSpan) Trace() (string, error) {
return m.TraceID, m.Error
}
func (m *MockSpan) SpanID() (string, error) {
return m.ID, m.Error
}
func (m *MockSpan) Parent() (string, error) {
return m.ParentID, m.Error
}
func (m *MockSpan) Name() string {
return m.ServiceName
}
func (m *MockSpan) Annotations() []Annotation {
return m.Anno
}
func (m *MockSpan) BinaryAnnotations() ([]BinaryAnnotation, error) {
return m.BinAnno, m.Error
}
func (m *MockSpan) Timestamp() time.Time {
return m.Time
}
func (m *MockSpan) Duration() time.Duration {
return m.Dur
}
type MockAnnotation struct {
Time time.Time
Val string
H Endpoint
}
func (m *MockAnnotation) Timestamp() time.Time {
return m.Time
}
func (m *MockAnnotation) Value() string {
return m.Val
}
func (m *MockAnnotation) Host() Endpoint {
return m.H
}
type MockEndpoint struct {
host string
name string
}
func (e *MockEndpoint) Host() string {
return e.host
}
func (e *MockEndpoint) Name() string {
return e.name
}
type MockBinaryAnnotation struct {
Time time.Time
K string
V string
H Endpoint
}
func (b *MockBinaryAnnotation) Key() string {
return b.K
}
func (b *MockBinaryAnnotation) Value() string {
return b.V
}
func (b *MockBinaryAnnotation) Host() Endpoint {
return b.H
}

252
plugins/inputs/zipkin/codec/jsonV1/jsonV1.go Normal file
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@ -0,0 +1,252 @@
package jsonV1
import (
"encoding/json"
"fmt"
"strconv"
"time"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/codec"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
)
// JSON decodes spans from bodies `POST`ed to the spans endpoint
type JSON struct{}
// Decode unmarshals and validates the JSON body
func (j *JSON) Decode(octets []byte) ([]codec.Span, error) {
var spans []span
err := json.Unmarshal(octets, &spans)
if err != nil {
return nil, err
}
res := make([]codec.Span, len(spans))
for i := range spans {
if err := spans[i].Validate(); err != nil {
return nil, err
}
res[i] = &spans[i]
}
return res, nil
}
type span struct {
TraceID string `json:"traceId"`
SpanName string `json:"name"`
ParentID string `json:"parentId,omitempty"`
ID string `json:"id"`
Time *int64 `json:"timestamp,omitempty"`
Dur *int64 `json:"duration,omitempty"`
Debug bool `json:"debug,omitempty"`
Anno []annotation `json:"annotations"`
BAnno []binaryAnnotation `json:"binaryAnnotations"`
}
func (s *span) Validate() error {
var err error
check := func(f func() (string, error)) {
if err != nil {
return
}
_, err = f()
}
check(s.Trace)
check(s.SpanID)
check(s.Parent)
if err != nil {
return err
}
_, err = s.BinaryAnnotations()
return err
}
func (s *span) Trace() (string, error) {
if s.TraceID == "" {
return "", fmt.Errorf("Trace ID cannot be null")
}
return TraceIDFromString(s.TraceID)
}
func (s *span) SpanID() (string, error) {
if s.ID == "" {
return "", fmt.Errorf("Span ID cannot be null")
}
return IDFromString(s.ID)
}
func (s *span) Parent() (string, error) {
if s.ParentID == "" {
return "", nil
}
return IDFromString(s.ParentID)
}
func (s *span) Name() string {
return s.SpanName
}
func (s *span) Annotations() []codec.Annotation {
res := make([]codec.Annotation, len(s.Anno))
for i := range s.Anno {
res[i] = &s.Anno[i]
}
return res
}
func (s *span) BinaryAnnotations() ([]codec.BinaryAnnotation, error) {
res := make([]codec.BinaryAnnotation, len(s.BAnno))
for i, a := range s.BAnno {
if a.Key() != "" && a.Value() == "" {
return nil, fmt.Errorf("No value for key %s at binaryAnnotations[%d]", a.K, i)
}
if a.Value() != "" && a.Key() == "" {
return nil, fmt.Errorf("No key at binaryAnnotations[%d]", i)
}
res[i] = &s.BAnno[i]
}
return res, nil
}
func (s *span) Timestamp() time.Time {
if s.Time == nil {
return time.Time{}
}
return codec.MicroToTime(*s.Time)
}
func (s *span) Duration() time.Duration {
if s.Dur == nil {
return 0
}
return time.Duration(*s.Dur) * time.Microsecond
}
type annotation struct {
Endpoint *endpoint `json:"endpoint,omitempty"`
Time int64 `json:"timestamp"`
Val string `json:"value,omitempty"`
}
func (a *annotation) Timestamp() time.Time {
return codec.MicroToTime(a.Time)
}
func (a *annotation) Value() string {
return a.Val
}
func (a *annotation) Host() codec.Endpoint {
return a.Endpoint
}
type binaryAnnotation struct {
K string `json:"key"`
V json.RawMessage `json:"value"`
Type string `json:"type"`
Endpoint *endpoint `json:"endpoint,omitempty"`
}
func (b *binaryAnnotation) Key() string {
return b.K
}
func (b *binaryAnnotation) Value() string {
t, err := zipkincore.AnnotationTypeFromString(b.Type)
// Assume this is a string if we cannot tell the type
if err != nil {
t = zipkincore.AnnotationType_STRING
}
switch t {
case zipkincore.AnnotationType_BOOL:
var v bool
err := json.Unmarshal(b.V, &v)
if err == nil {
return strconv.FormatBool(v)
}
case zipkincore.AnnotationType_BYTES:
return string(b.V)
case zipkincore.AnnotationType_I16, zipkincore.AnnotationType_I32, zipkincore.AnnotationType_I64:
var v int64
err := json.Unmarshal(b.V, &v)
if err == nil {
return strconv.FormatInt(v, 10)
}
case zipkincore.AnnotationType_DOUBLE:
var v float64
err := json.Unmarshal(b.V, &v)
if err == nil {
return strconv.FormatFloat(v, 'f', -1, 64)
}
case zipkincore.AnnotationType_STRING:
var v string
err := json.Unmarshal(b.V, &v)
if err == nil {
return v
}
}
return ""
}
func (b *binaryAnnotation) Host() codec.Endpoint {
return b.Endpoint
}
type endpoint struct {
ServiceName string `json:"serviceName"`
Ipv4 string `json:"ipv4"`
Ipv6 string `json:"ipv6,omitempty"`
Port int `json:"port"`
}
func (e *endpoint) Host() string {
if e.Port != 0 {
return fmt.Sprintf("%s:%d", e.Ipv4, e.Port)
}
return e.Ipv4
}
func (e *endpoint) Name() string {
return e.ServiceName
}
// TraceIDFromString creates a TraceID from a hexadecimal string
func TraceIDFromString(s string) (string, error) {
var hi, lo uint64
var err error
if len(s) > 32 {
return "", fmt.Errorf("TraceID cannot be longer than 32 hex characters: %s", s)
} else if len(s) > 16 {
hiLen := len(s) - 16
if hi, err = strconv.ParseUint(s[0:hiLen], 16, 64); err != nil {
return "", err
}
if lo, err = strconv.ParseUint(s[hiLen:], 16, 64); err != nil {
return "", err
}
} else {
if lo, err = strconv.ParseUint(s, 16, 64); err != nil {
return "", err
}
}
if hi == 0 {
return fmt.Sprintf("%x", lo), nil
}
return fmt.Sprintf("%x%016x", hi, lo), nil
}
// IDFromString creates a decimal id from a hexadecimal string
func IDFromString(s string) (string, error) {
if len(s) > 16 {
return "", fmt.Errorf("ID cannot be longer than 16 hex characters: %s", s)
}
id, err := strconv.ParseUint(s, 16, 64)
if err != nil {
return "", err
}
return strconv.FormatUint(id, 10), nil
}

920
plugins/inputs/zipkin/codec/jsonV1/jsonV1_test.go Normal file
View File

@ -0,0 +1,920 @@
package jsonV1
import (
"encoding/json"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/codec"
)
func TestJSON_Decode(t *testing.T) {
addr := func(i int64) *int64 { return &i }
tests := []struct {
name string
octets []byte
want []codec.Span
wantErr bool
}{
{
name: "bad json is error",
octets: []byte(`
[
{
]`),
wantErr: true,
},
{
name: "Decodes simple trace",
octets: []byte(`
[
{
"traceId": "6b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c"
}
]`),
want: []codec.Span{
&span{
TraceID: "6b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
},
},
},
{
name: "Decodes two spans",
octets: []byte(`
[
{
"traceId": "6b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c"
},
{
"traceId": "6b221d5bc9e6496c",
"name": "get-traces",
"id": "c6946e9cb5d122b6",
"parentId": "6b221d5bc9e6496c",
"duration": 10000
}
]`),
want: []codec.Span{
&span{
TraceID: "6b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
},
&span{
TraceID: "6b221d5bc9e6496c",
SpanName: "get-traces",
ID: "c6946e9cb5d122b6",
ParentID: "6b221d5bc9e6496c",
Dur: addr(10000),
},
},
},
{
name: "Decodes trace with timestamp",
octets: []byte(`
[
{
"traceId": "6b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"timestamp": 1503031538791000
}
]`),
want: []codec.Span{
&span{
TraceID: "6b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
Time: addr(1503031538791000),
},
},
},
{
name: "Decodes simple trace with high and low trace id",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c"
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
},
},
},
{
name: "Error when trace id is null",
octets: []byte(`
[
{
"traceId": null,
"name": "get-traces",
"id": "6b221d5bc9e6496c"
}
]`),
wantErr: true,
},
{
name: "ignore null parentId",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"parentId": null
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
},
},
},
{
name: "ignore null timestamp",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"timestamp": null
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
},
},
},
{
name: "ignore null duration",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"duration": null
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
},
},
},
{
name: "ignore null annotation endpoint",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"annotations": [
{
"timestamp": 1461750491274000,
"value": "cs",
"endpoint": null
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
Anno: []annotation{
{
Time: 1461750491274000,
Val: "cs",
},
},
},
},
},
{
name: "ignore null binary annotation endpoint",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "lc",
"value": "JDBCSpanStore",
"endpoint": null
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
BAnno: []binaryAnnotation{
{
K: "lc",
V: json.RawMessage(`"JDBCSpanStore"`),
},
},
},
},
},
{
name: "Error when binary annotation has no key",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"value": "JDBCSpanStore",
"endpoint": null
}
]
}
]`),
wantErr: true,
},
{
name: "Error when binary annotation has no value",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "lc",
"endpoint": null
}
]
}
]`),
wantErr: true,
},
{
name: "binary annotation with endpoint",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "lc",
"value": "JDBCSpanStore",
"endpoint": {
"serviceName": "service",
"port": 65535
}
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
BAnno: []binaryAnnotation{
{
K: "lc",
V: json.RawMessage(`"JDBCSpanStore"`),
Endpoint: &endpoint{
ServiceName: "service",
Port: 65535,
},
},
},
},
},
},
{
name: "binary annotation with double value",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "num",
"value": 1.23456789,
"type": "DOUBLE"
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
BAnno: []binaryAnnotation{
{
K: "num",
V: json.RawMessage{0x31, 0x2e, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39},
Type: "DOUBLE",
},
},
},
},
},
{
name: "binary annotation with integer value",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "num",
"value": 1,
"type": "I16"
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
BAnno: []binaryAnnotation{
{
K: "num",
V: json.RawMessage{0x31},
Type: "I16",
},
},
},
},
},
{
name: "binary annotation with bool value",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "num",
"value": true,
"type": "BOOL"
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
BAnno: []binaryAnnotation{
{
K: "num",
V: json.RawMessage(`true`),
Type: "BOOL",
},
},
},
},
},
{
name: "binary annotation with bytes value",
octets: []byte(`
[
{
"traceId": "48485a3953bb61246b221d5bc9e6496c",
"name": "get-traces",
"id": "6b221d5bc9e6496c",
"binaryAnnotations": [
{
"key": "num",
"value": "1",
"type": "BYTES"
}
]
}
]`),
want: []codec.Span{
&span{
TraceID: "48485a3953bb61246b221d5bc9e6496c",
SpanName: "get-traces",
ID: "6b221d5bc9e6496c",
BAnno: []binaryAnnotation{
{
K: "num",
V: json.RawMessage(`"1"`),
Type: "BYTES",
},
},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
j := &JSON{}
got, err := j.Decode(tt.octets)
if (err != nil) != tt.wantErr {
t.Errorf("JSON.Decode() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !cmp.Equal(tt.want, got) {
t.Errorf("JSON.Decode() = got(-)/want(+) %s", cmp.Diff(tt.want, got))
}
})
}
}
func Test_span_Trace(t *testing.T) {
tests := []struct {
name string
TraceID string
want string
wantErr bool
}{
{
name: "Trace IDs cannot be null",
TraceID: "",
wantErr: true,
},
{
name: "converts hex string correctly",
TraceID: "deadbeef",
want: "deadbeef",
},
{
name: "converts high and low trace id correctly",
TraceID: "48485a3953bb61246b221d5bc9e6496c",
want: "48485a3953bb61246b221d5bc9e6496c",
},
{
name: "errors when string isn't hex",
TraceID: "oxdeadbeef",
wantErr: true,
},
{
name: "errors when id is too long",
TraceID: "1234567890abcdef1234567890abcdef1",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &span{
TraceID: tt.TraceID,
}
got, err := s.Trace()
if (err != nil) != tt.wantErr {
t.Errorf("span.Trace() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !cmp.Equal(tt.want, got) {
t.Errorf("span.Trace() = got(-)/want(+) %s", cmp.Diff(tt.want, got))
}
})
}
}
func Test_span_SpanID(t *testing.T) {
tests := []struct {
name string
ID string
want string
wantErr bool
}{
{
name: "Span IDs cannot be null",
ID: "",
wantErr: true,
},
{
name: "converts known id correctly",
ID: "b26412d1ac16767d",
want: "12854419928166856317",
},
{
name: "converts hex string correctly",
ID: "deadbeef",
want: "3735928559",
},
{
name: "errors when string isn't hex",
ID: "oxdeadbeef",
wantErr: true,
},
{
name: "errors when id is too long",
ID: "1234567890abcdef1",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &span{
ID: tt.ID,
}
got, err := s.SpanID()
if (err != nil) != tt.wantErr {
t.Errorf("span.SpanID() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !cmp.Equal(tt.want, got) {
t.Errorf("span.SpanID() = got(-)/want(+) %s", cmp.Diff(tt.want, got))
}
})
}
}
func Test_span_Parent(t *testing.T) {
tests := []struct {
name string
ParentID string
want string
wantErr bool
}{
{
name: "when there is no parent return empty string",
ParentID: "",
want: "",
},
{
name: "converts hex string correctly",
ParentID: "deadbeef",
want: "3735928559",
},
{
name: "errors when string isn't hex",
ParentID: "oxdeadbeef",
wantErr: true,
},
{
name: "errors when parent id is too long",
ParentID: "1234567890abcdef1",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &span{
ParentID: tt.ParentID,
}
got, err := s.Parent()
if (err != nil) != tt.wantErr {
t.Errorf("span.Parent() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !cmp.Equal(tt.want, got) {
t.Errorf("span.Parent() = got(-)/want(+) %s", cmp.Diff(tt.want, got))
}
})
}
}
func Test_span_Timestamp(t *testing.T) {
tests := []struct {
name string
Time *int64
want time.Time
}{
{
name: "converts to microseconds",
Time: func(i int64) *int64 { return &i }(3000000),
want: time.Unix(3, 0).UTC(),
},
{
name: "nil time should be zero time",
Time: nil,
want: time.Time{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &span{
Time: tt.Time,
}
if got := s.Timestamp(); !cmp.Equal(tt.want, got) {
t.Errorf("span.Timestamp() = got(-)/want(+) %s", cmp.Diff(tt.want, got))
}
})
}
}
func Test_span_Duration(t *testing.T) {
tests := []struct {
name string
dur *int64
want time.Duration
}{
{
name: "converts from 3 microseconds",
dur: func(i int64) *int64 { return &i }(3000000),
want: 3 * time.Second,
},
{
name: "nil time should be zero duration",
dur: nil,
want: 0,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
s := &span{
Dur: tt.dur,
}
if got := s.Duration(); got != tt.want {
t.Errorf("span.Duration() = %v, want %v", got, tt.want)
}
})
}
}
func Test_annotation(t *testing.T) {
type fields struct {
Endpoint *endpoint
Time int64
Val string
}
tests := []struct {
name string
fields fields
tm time.Time
val string
endpoint *endpoint
}{
{
name: "returns all fields",
fields: fields{
Time: 3000000,
Val: "myvalue",
Endpoint: &endpoint{
ServiceName: "myservice",
Ipv4: "127.0.0.1",
Port: 443,
},
},
tm: time.Unix(3, 0).UTC(),
val: "myvalue",
endpoint: &endpoint{
ServiceName: "myservice",
Ipv4: "127.0.0.1",
Port: 443,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
an := annotation(tt.fields)
a := &an
if got := a.Timestamp(); got != tt.tm {
t.Errorf("annotation.Timestamp() = %v, want %v", got, tt.tm)
}
if got := a.Value(); got != tt.val {
t.Errorf("annotation.Value() = %v, want %v", got, tt.val)
}
if got := a.Host(); !cmp.Equal(tt.endpoint, got) {
t.Errorf("annotation.Endpoint() = %v, want %v", got, tt.endpoint)
}
})
}
}
func Test_binaryAnnotation(t *testing.T) {
type fields struct {
K string
V json.RawMessage
Type string
Endpoint *endpoint
}
tests := []struct {
name string
fields fields
key string
value string
endpoint *endpoint
}{
{
name: "returns all fields",
fields: fields{
K: "key",
V: json.RawMessage(`"value"`),
Endpoint: &endpoint{
ServiceName: "myservice",
Ipv4: "127.0.0.1",
Port: 443,
},
},
key: "key",
value: "value",
endpoint: &endpoint{
ServiceName: "myservice",
Ipv4: "127.0.0.1",
Port: 443,
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
bin := binaryAnnotation(tt.fields)
b := &bin
if got := b.Key(); got != tt.key {
t.Errorf("binaryAnnotation.Key() = %v, want %v", got, tt.key)
}
if got := b.Value(); got != tt.value {
t.Errorf("binaryAnnotation.Value() = %v, want %v", got, tt.value)
}
if got := b.Host(); !cmp.Equal(tt.endpoint, got) {
t.Errorf("binaryAnnotation.Endpoint() = %v, want %v", got, tt.endpoint)
}
})
}
}
func Test_endpoint_Host(t *testing.T) {
type fields struct {
Ipv4 string
Port int
}
tests := []struct {
name string
fields fields
want string
}{
{
name: "with port",
fields: fields{
Ipv4: "127.0.0.1",
Port: 443,
},
want: "127.0.0.1:443",
},
{
name: "no port",
fields: fields{
Ipv4: "127.0.0.1",
},
want: "127.0.0.1",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
e := &endpoint{
Ipv4: tt.fields.Ipv4,
Port: tt.fields.Port,
}
if got := e.Host(); got != tt.want {
t.Errorf("endpoint.Host() = %v, want %v", got, tt.want)
}
})
}
}
func Test_endpoint_Name(t *testing.T) {
tests := []struct {
name string
ServiceName string
want string
}{
{
name: "has service name",
ServiceName: "myservicename",
want: "myservicename",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
e := &endpoint{
ServiceName: tt.ServiceName,
}
if got := e.Name(); got != tt.want {
t.Errorf("endpoint.Name() = %v, want %v", got, tt.want)
}
})
}
}
func TestTraceIDFromString(t *testing.T) {
tests := []struct {
name string
s string
want string
wantErr bool
}{
{
name: "Convert hex string id",
s: "6b221d5bc9e6496c",
want: "6b221d5bc9e6496c",
},
{
name: "error : id too long",
s: "1234567890abcdef1234567890abcdef1",
wantErr: true,
},
{
name: "error : not parsable",
s: "howdyhowdyhowdy",
wantErr: true,
},
{
name: "Convert hex string with high/low",
s: "48485a3953bb61246b221d5bc9e6496c",
want: "48485a3953bb61246b221d5bc9e6496c",
},
{
name: "errors in high",
s: "ERR85a3953bb61246b221d5bc9e6496c",
wantErr: true,
},
{
name: "errors in low",
s: "48485a3953bb61246b221d5bc9e64ERR",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := TraceIDFromString(tt.s)
if (err != nil) != tt.wantErr {
t.Errorf("TraceIDFromString() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("TraceIDFromString() = %v, want %v", got, tt.want)
}
})
}
}
func TestIDFromString(t *testing.T) {
tests := []struct {
name string
s string
want string
wantErr bool
}{
{
name: "Convert hex string id",
s: "6b221d5bc9e6496c",
want: "7719764991332993388",
},
{
name: "error : id too long",
s: "1234567890abcdef1",
wantErr: true,
},
{
name: "error : not parsable",
s: "howdyhowdyhowdy",
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := IDFromString(tt.s)
if (err != nil) != tt.wantErr {
t.Errorf("IDFromString() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("IDFromString() = %v, want %v", got, tt.want)
}
})
}
}

203
plugins/inputs/zipkin/codec/thrift/thrift.go Normal file
View File

@ -0,0 +1,203 @@
package thrift
import (
"encoding/binary"
"fmt"
"net"
"strconv"
"time"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/codec"
"github.com/apache/thrift/lib/go/thrift"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
)
// UnmarshalThrift converts raw bytes in thrift format to a slice of spans
func UnmarshalThrift(body []byte) ([]*zipkincore.Span, error) {
buffer := thrift.NewTMemoryBuffer()
if _, err := buffer.Write(body); err != nil {
return nil, err
}
transport := thrift.NewTBinaryProtocolTransport(buffer)
_, size, err := transport.ReadListBegin()
if err != nil {
return nil, err
}
spans := make([]*zipkincore.Span, size)
for i := 0; i < size; i++ {
zs := &zipkincore.Span{}
if err = zs.Read(transport); err != nil {
return nil, err
}
spans[i] = zs
}
if err = transport.ReadListEnd(); err != nil {
return nil, err
}
return spans, nil
}
// Thrift decodes binary data to create a Trace
type Thrift struct{}
// Decode unmarshals and validates bytes in thrift format
func (t *Thrift) Decode(octets []byte) ([]codec.Span, error) {
spans, err := UnmarshalThrift(octets)
if err != nil {
return nil, err
}
res := make([]codec.Span, len(spans))
for i, s := range spans {
res[i] = &span{s}
}
return res, nil
}
var _ codec.Endpoint = &endpoint{}
type endpoint struct {
*zipkincore.Endpoint
}
func (e *endpoint) Host() string {
ipv4 := func(addr int32) string {
buf := make([]byte, 4)
binary.BigEndian.PutUint32(buf, uint32(addr))
return net.IP(buf).String()
}
if e.Endpoint == nil {
return ipv4(int32(0))
}
if e.Endpoint.GetPort() == 0 {
return ipv4(e.Endpoint.GetIpv4())
}
// Zipkin uses a signed int16 for the port, but, warns us that they actually treat it
// as an unsigned int16. So, we convert from int16 to int32 followed by taking & 0xffff
// to convert from signed to unsigned
// https://github.com/openzipkin/zipkin/blob/57dc2ec9c65fe6144e401c0c933b4400463a69df/zipkin/src/main/java/zipkin/Endpoint.java#L44
return ipv4(e.Endpoint.GetIpv4()) + ":" + strconv.FormatInt(int64(int(e.Endpoint.GetPort())&0xffff), 10)
}
func (e *endpoint) Name() string {
if e.Endpoint == nil {
return codec.DefaultServiceName
}
return e.Endpoint.GetServiceName()
}
var _ codec.BinaryAnnotation = &binaryAnnotation{}
type binaryAnnotation struct {
*zipkincore.BinaryAnnotation
}
func (b *binaryAnnotation) Key() string {
return b.BinaryAnnotation.GetKey()
}
func (b *binaryAnnotation) Value() string {
return string(b.BinaryAnnotation.GetValue())
}
func (b *binaryAnnotation) Host() codec.Endpoint {
if b.BinaryAnnotation.Host == nil {
return nil
}
return &endpoint{b.BinaryAnnotation.Host}
}
var _ codec.Annotation = &annotation{}
type annotation struct {
*zipkincore.Annotation
}
func (a *annotation) Timestamp() time.Time {
ts := a.Annotation.GetTimestamp()
if ts == 0 {
return time.Time{}
}
return codec.MicroToTime(ts)
}
func (a *annotation) Value() string {
return a.Annotation.GetValue()
}
func (a *annotation) Host() codec.Endpoint {
if a.Annotation.Host == nil {
return nil
}
return &endpoint{a.Annotation.Host}
}
var _ codec.Span = &span{}
type span struct {
*zipkincore.Span
}
func (s *span) Trace() (string, error) {
if s.Span.GetTraceIDHigh() == 0 && s.Span.GetTraceID() == 0 {
return "", fmt.Errorf("Span does not have a trace ID")
}
if s.Span.GetTraceIDHigh() == 0 {
return fmt.Sprintf("%x", s.Span.GetTraceID()), nil
}
return fmt.Sprintf("%x%016x", s.Span.GetTraceIDHigh(), s.Span.GetTraceID()), nil
}
func (s *span) SpanID() (string, error) {
return formatID(s.Span.GetID()), nil
}
func (s *span) Parent() (string, error) {
id := s.Span.GetParentID()
if id != 0 {
return formatID(id), nil
}
return "", nil
}
func (s *span) Name() string {
return s.Span.GetName()
}
func (s *span) Annotations() []codec.Annotation {
res := make([]codec.Annotation, len(s.Span.Annotations))
for i := range s.Span.Annotations {
res[i] = &annotation{s.Span.Annotations[i]}
}
return res
}
func (s *span) BinaryAnnotations() ([]codec.BinaryAnnotation, error) {
res := make([]codec.BinaryAnnotation, len(s.Span.BinaryAnnotations))
for i := range s.Span.BinaryAnnotations {
res[i] = &binaryAnnotation{s.Span.BinaryAnnotations[i]}
}
return res, nil
}
func (s *span) Timestamp() time.Time {
ts := s.Span.GetTimestamp()
if ts == 0 {
return time.Time{}
}
return codec.MicroToTime(ts)
}
func (s *span) Duration() time.Duration {
return time.Duration(s.Span.GetDuration()) * time.Microsecond
}
func formatID(id int64) string {
return strconv.FormatInt(id, 10)
}

211
plugins/inputs/zipkin/codec/thrift/thrift_test.go Normal file
View File

@ -0,0 +1,211 @@
package thrift
import (
"io/ioutil"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
)
func Test_endpointHost(t *testing.T) {
type args struct {
h *zipkincore.Endpoint
}
tests := []struct {
name string
args args
want string
}{
{
name: "Host Found",
args: args{
h: &zipkincore.Endpoint{
Ipv4: 1234,
Port: 8888,
},
},
want: "0.0.4.210:8888",
},
{
name: "No Host",
args: args{
h: nil,
},
want: "0.0.0.0",
},
{
name: "int overflow zipkin uses an int16 type as an unsigned int 16.",
args: args{
h: &zipkincore.Endpoint{
Ipv4: 1234,
Port: -1,
},
},
want: "0.0.4.210:65535",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
e := endpoint{tt.args.h}
if got := e.Host(); got != tt.want {
t.Errorf("host() = %v, want %v", got, tt.want)
}
})
}
}
func Test_endpointName(t *testing.T) {
type args struct {
h *zipkincore.Endpoint
}
tests := []struct {
name string
args args
want string
}{
{
name: "Found ServiceName",
args: args{
h: &zipkincore.Endpoint{
ServiceName: "zipkin",
},
},
want: "zipkin",
},
{
name: "No ServiceName",
args: args{
h: nil,
},
want: "unknown",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
e := endpoint{tt.args.h}
if got := e.Name(); got != tt.want {
t.Errorf("serviceName() = %v, want %v", got, tt.want)
}
})
}
}
func TestUnmarshalThrift(t *testing.T) {
addr := func(i int64) *int64 { return &i }
tests := []struct {
name string
filename string
want []*zipkincore.Span
wantErr bool
}{
{
name: "threespans",
filename: "../../testdata/threespans.dat",
want: []*zipkincore.Span{
{
TraceID: 2505404965370368069,
Name: "Child",
ID: 8090652509916334619,
ParentID: addr(22964302721410078),
Timestamp: addr(1498688360851331),
Duration: addr(53106),
Annotations: []*zipkincore.Annotation{},
BinaryAnnotations: []*zipkincore.BinaryAnnotation{
&zipkincore.BinaryAnnotation{
Key: "lc",
AnnotationType: zipkincore.AnnotationType_STRING,
Value: []byte("trivial"),
Host: &zipkincore.Endpoint{
Ipv4: 2130706433,
ServiceName: "trivial",
},
},
},
},
{
TraceID: 2505404965370368069,
Name: "Child",
ID: 103618986556047333,
ParentID: addr(22964302721410078),
Timestamp: addr(1498688360904552),
Duration: addr(50410),
Annotations: []*zipkincore.Annotation{},
BinaryAnnotations: []*zipkincore.BinaryAnnotation{
&zipkincore.BinaryAnnotation{
Key: "lc",
AnnotationType: zipkincore.AnnotationType_STRING,
Value: []byte("trivial"),
Host: &zipkincore.Endpoint{
Ipv4: 2130706433,
ServiceName: "trivial",
},
},
},
},
{
TraceID: 2505404965370368069,
Name: "Parent",
ID: 22964302721410078,
Timestamp: addr(1498688360851318),
Duration: addr(103680),
Annotations: []*zipkincore.Annotation{
&zipkincore.Annotation{
Timestamp: 1498688360851325,
Value: "Starting child #0",
Host: &zipkincore.Endpoint{
Ipv4: 2130706433,
ServiceName: "trivial",
},
},
&zipkincore.Annotation{
Timestamp: 1498688360904545,
Value: "Starting child #1",
Host: &zipkincore.Endpoint{
Ipv4: 2130706433,
ServiceName: "trivial",
},
},
&zipkincore.Annotation{
Timestamp: 1498688360954992,
Value: "A Log",
Host: &zipkincore.Endpoint{
Ipv4: 2130706433,
ServiceName: "trivial",
},
},
},
BinaryAnnotations: []*zipkincore.BinaryAnnotation{
&zipkincore.BinaryAnnotation{
Key: "lc",
AnnotationType: zipkincore.AnnotationType_STRING,
Value: []byte("trivial"),
Host: &zipkincore.Endpoint{
Ipv4: 2130706433,
ServiceName: "trivial",
},
},
},
},
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
dat, err := ioutil.ReadFile(tt.filename)
if err != nil {
t.Fatalf("Could not find file %s\n", tt.filename)
}
got, err := UnmarshalThrift(dat)
if (err != nil) != tt.wantErr {
t.Errorf("UnmarshalThrift() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !cmp.Equal(tt.want, got) {
t.Errorf("UnmarshalThrift() got(-)/want(+): %s", cmp.Diff(tt.want, got))
}
})
}
}

180
plugins/inputs/zipkin/convert.go
View File

@ -1,22 +1,10 @@
package zipkin
import (
"encoding/binary"
"fmt"
"net"
"strconv"
"time"
"github.com/influxdata/telegraf"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/trace"
)
// DefaultServiceName when the span does not have any serviceName
const DefaultServiceName = "unknown"
//now is a moackable time for now
var now = time.Now
// LineProtocolConverter implements the Recorder interface; it is a
// type meant to encapsulate the storage of zipkin tracing data in
// telegraf as line protocol.
@ -35,7 +23,7 @@ func NewLineProtocolConverter(acc telegraf.Accumulator) *LineProtocolConverter {
// Record is LineProtocolConverter's implementation of the Record method of
// the Recorder interface; it takes a trace as input, and adds it to an internal
// telegraf.Accumulator.
func (l *LineProtocolConverter) Record(t Trace) error {
func (l *LineProtocolConverter) Record(t trace.Trace) error {
for _, s := range t {
fields := map[string]interface{}{
"duration_ns": s.Duration.Nanoseconds(),
@ -83,167 +71,3 @@ func (l *LineProtocolConverter) Record(t Trace) error {
func (l *LineProtocolConverter) Error(err error) {
l.acc.AddError(err)
}
// NewTrace converts a slice of []*zipkincore.Spans into a new Trace
func NewTrace(spans []*zipkincore.Span) Trace {
trace := make(Trace, len(spans))
for i, span := range spans {
endpoint := serviceEndpoint(span.GetAnnotations(), span.GetBinaryAnnotations())
trace[i] = Span{
ID: formatID(span.GetID()),
TraceID: formatTraceID(span.GetTraceIDHigh(), span.GetTraceID()),
Name: span.GetName(),
Timestamp: guessTimestamp(span),
Duration: convertDuration(span),
ParentID: parentID(span),
ServiceName: serviceName(endpoint),
Annotations: NewAnnotations(span.GetAnnotations(), endpoint),
BinaryAnnotations: NewBinaryAnnotations(span.GetBinaryAnnotations(), endpoint),
}
}
return trace
}
// NewAnnotations converts a slice of *zipkincore.Annotation into a slice
// of new Annotations
func NewAnnotations(annotations []*zipkincore.Annotation, endpoint *zipkincore.Endpoint) []Annotation {
formatted := make([]Annotation, len(annotations))
for i, annotation := range annotations {
formatted[i] = Annotation{
Host: host(endpoint),
ServiceName: serviceName(endpoint),
Timestamp: microToTime(annotation.GetTimestamp()),
Value: annotation.GetValue(),
}
}
return formatted
}
// NewBinaryAnnotations is very similar to NewAnnotations, but it
// converts zipkincore.BinaryAnnotations instead of the normal zipkincore.Annotation
func NewBinaryAnnotations(annotations []*zipkincore.BinaryAnnotation, endpoint *zipkincore.Endpoint) []BinaryAnnotation {
formatted := make([]BinaryAnnotation, len(annotations))
for i, annotation := range annotations {
formatted[i] = BinaryAnnotation{
Host: host(endpoint),
ServiceName: serviceName(endpoint),
Key: annotation.GetKey(),
Value: string(annotation.GetValue()),
Type: annotation.GetAnnotationType().String(),
}
}
return formatted
}
func microToTime(micro int64) time.Time {
return time.Unix(0, micro*int64(time.Microsecond)).UTC()
}
func formatID(id int64) string {
return strconv.FormatInt(id, 10)
}
func formatTraceID(high, low int64) string {
if high == 0 {
return fmt.Sprintf("%x", low)
}
return fmt.Sprintf("%x%016x", high, low)
}
func minMax(span *zipkincore.Span) (time.Time, time.Time) {
min := now().UTC()
max := time.Time{}.UTC()
for _, annotation := range span.Annotations {
ts := microToTime(annotation.GetTimestamp())
if !ts.IsZero() && ts.Before(min) {
min = ts
}
if !ts.IsZero() && ts.After(max) {
max = ts
}
}
if max.IsZero() {
max = min
}
return min, max
}
func guessTimestamp(span *zipkincore.Span) time.Time {
if span.GetTimestamp() != 0 {
return microToTime(span.GetTimestamp())
}
min, _ := minMax(span)
return min
}
func convertDuration(span *zipkincore.Span) time.Duration {
duration := time.Duration(span.GetDuration()) * time.Microsecond
if duration != 0 {
return duration
}
min, max := minMax(span)
return max.Sub(min)
}
func parentID(span *zipkincore.Span) string {
// A parent ID of 0 means that this is a parent span. In this case,
// we set the parent ID of the span to be its own id, so it points to
// itself.
id := span.GetParentID()
if id != 0 {
return formatID(id)
}
return formatID(span.ID)
}
func ipv4(addr int32) string {
buf := make([]byte, 4)
binary.BigEndian.PutUint32(buf, uint32(addr))
return net.IP(buf).String()
}
func host(h *zipkincore.Endpoint) string {
if h == nil {
return ipv4(int32(0))
}
if h.GetPort() == 0 {
return ipv4(h.GetIpv4())
}
// Zipkin uses a signed int16 for the port, but, warns us that they actually treat it
// as an unsigned int16. So, we convert from int16 to int32 followed by taking & 0xffff
// to convert from signed to unsigned
// https://github.com/openzipkin/zipkin/blob/57dc2ec9c65fe6144e401c0c933b4400463a69df/zipkin/src/main/java/zipkin/Endpoint.java#L44
return ipv4(h.GetIpv4()) + ":" + strconv.FormatInt(int64(int(h.GetPort())&0xffff), 10)
}
func serviceName(h *zipkincore.Endpoint) string {
if h == nil {
return DefaultServiceName
}
return h.GetServiceName()
}
func serviceEndpoint(ann []*zipkincore.Annotation, bann []*zipkincore.BinaryAnnotation) *zipkincore.Endpoint {
for _, a := range ann {
switch a.Value {
case zipkincore.SERVER_RECV, zipkincore.SERVER_SEND, zipkincore.CLIENT_RECV, zipkincore.CLIENT_SEND:
if a.Host != nil && a.Host.ServiceName != "" {
return a.Host
}
}
}
for _, a := range bann {
if a.Key == zipkincore.LOCAL_COMPONENT && a.Host != nil && a.Host.ServiceName != "" {
return a.Host
}
}
// Unable to find any "standard" endpoint host, so, use any that exist in the regular annotations
for _, a := range ann {
if a.Host != nil && a.Host.ServiceName != "" {
return a.Host
}
}
return nil
}

253
plugins/inputs/zipkin/convert_test.go
View File

@ -1,14 +1,13 @@
package zipkin
import (
"reflect"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/trace"
"github.com/influxdata/telegraf/testutil"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
)
func TestLineProtocolConverter_Record(t *testing.T) {
@ -17,7 +16,7 @@ func TestLineProtocolConverter_Record(t *testing.T) {
acc telegraf.Accumulator
}
type args struct {
t Trace
t trace.Trace
}
tests := []struct {
name string
@ -32,8 +31,8 @@ func TestLineProtocolConverter_Record(t *testing.T) {
acc: &mockAcc,
},
args: args{
t: Trace{
Span{
t: trace.Trace{
{
ID: "8090652509916334619",
TraceID: "2505404965370368069",
Name: "Child",
@ -41,18 +40,17 @@ func TestLineProtocolConverter_Record(t *testing.T) {
Timestamp: time.Unix(0, 1498688360851331000).UTC(),
Duration: time.Duration(53106) * time.Microsecond,
ServiceName: "trivial",
Annotations: []Annotation{},
BinaryAnnotations: []BinaryAnnotation{
BinaryAnnotation{
Annotations: []trace.Annotation{},
BinaryAnnotations: []trace.BinaryAnnotation{
{
Key: "lc",
Value: "dHJpdmlhbA==",
Host: "2130706433:0",
ServiceName: "trivial",
Type: "STRING",
},
},
},
Span{
{
ID: "103618986556047333",
TraceID: "2505404965370368069",
Name: "Child",
@ -60,18 +58,17 @@ func TestLineProtocolConverter_Record(t *testing.T) {
Timestamp: time.Unix(0, 1498688360904552000).UTC(),
Duration: time.Duration(50410) * time.Microsecond,
ServiceName: "trivial",
Annotations: []Annotation{},
BinaryAnnotations: []BinaryAnnotation{
BinaryAnnotation{
Annotations: []trace.Annotation{},
BinaryAnnotations: []trace.BinaryAnnotation{
{
Key: "lc",
Value: "dHJpdmlhbA==",
Host: "2130706433:0",
ServiceName: "trivial",
Type: "STRING",
},
},
},
Span{
{
ID: "22964302721410078",
TraceID: "2505404965370368069",
Name: "Parent",
@ -79,33 +76,32 @@ func TestLineProtocolConverter_Record(t *testing.T) {
Timestamp: time.Unix(0, 1498688360851318000).UTC(),
Duration: time.Duration(103680) * time.Microsecond,
ServiceName: "trivial",
Annotations: []Annotation{
Annotation{
Annotations: []trace.Annotation{
{
Timestamp: time.Unix(0, 1498688360851325000).UTC(),
Value: "Starting child #0",
Host: "2130706433:0",
ServiceName: "trivial",
},
Annotation{
{
Timestamp: time.Unix(0, 1498688360904545000).UTC(),
Value: "Starting child #1",
Host: "2130706433:0",
ServiceName: "trivial",
},
Annotation{
{
Timestamp: time.Unix(0, 1498688360954992000).UTC(),
Value: "A Log",
Host: "2130706433:0",
ServiceName: "trivial",
},
},
BinaryAnnotations: []BinaryAnnotation{
BinaryAnnotation{
BinaryAnnotations: []trace.BinaryAnnotation{
{
Key: "lc",
Value: "dHJpdmlhbA==",
Host: "2130706433:0",
ServiceName: "trivial",
Type: "STRING",
},
},
},
@ -265,8 +261,8 @@ func TestLineProtocolConverter_Record(t *testing.T) {
acc: &mockAcc,
},
args: args{
t: Trace{
Span{
t: trace.Trace{
{
ID: "6802735349851856000",
TraceID: "0:6802735349851856000",
Name: "main.dud",
@ -274,15 +270,15 @@ func TestLineProtocolConverter_Record(t *testing.T) {
Timestamp: time.Unix(1, 0).UTC(),
Duration: 1,
ServiceName: "trivial",
Annotations: []Annotation{
Annotation{
Annotations: []trace.Annotation{
{
Timestamp: time.Unix(0, 1433330263415871000).UTC(),
Value: "cs",
Host: "0:9410",
ServiceName: "go-zipkin-testclient",
},
},
BinaryAnnotations: []BinaryAnnotation{},
BinaryAnnotations: []trace.BinaryAnnotation{},
},
},
},
@ -339,206 +335,3 @@ func TestLineProtocolConverter_Record(t *testing.T) {
})
}
}
func Test_microToTime(t *testing.T) {
type args struct {
micro int64
}
tests := []struct {
name string
args args
want time.Time
}{
{
name: "given zero micro seconds expected unix time zero",
args: args{
micro: 0,
},
want: time.Unix(0, 0).UTC(),
},
{
name: "given a million micro seconds expected unix time one",
args: args{
micro: 1000000,
},
want: time.Unix(1, 0).UTC(),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := microToTime(tt.args.micro); !reflect.DeepEqual(got, tt.want) {
t.Errorf("microToTime() = %v, want %v", got, tt.want)
}
})
}
}
func newAnnotation(micro int64) *zipkincore.Annotation {
return &zipkincore.Annotation{
Timestamp: micro,
}
}
func Test_minMax(t *testing.T) {
type args struct {
span *zipkincore.Span
}
tests := []struct {
name string
args args
now func() time.Time
wantMin time.Time
wantMax time.Time
}{
{
name: "Single annotation",
args: args{
span: &zipkincore.Span{
Annotations: []*zipkincore.Annotation{
newAnnotation(1000000),
},
},
},
wantMin: time.Unix(1, 0).UTC(),
wantMax: time.Unix(1, 0).UTC(),
},
{
name: "Three annotations",
args: args{
span: &zipkincore.Span{
Annotations: []*zipkincore.Annotation{
newAnnotation(1000000),
newAnnotation(2000000),
newAnnotation(3000000),
},
},
},
wantMin: time.Unix(1, 0).UTC(),
wantMax: time.Unix(3, 0).UTC(),
},
{
name: "Annotations are in the future",
args: args{
span: &zipkincore.Span{
Annotations: []*zipkincore.Annotation{
newAnnotation(3000000),
},
},
},
wantMin: time.Unix(2, 0).UTC(),
wantMax: time.Unix(3, 0).UTC(),
now: func() time.Time {
return time.Unix(2, 0).UTC()
},
},
{
name: "No Annotations",
args: args{
span: &zipkincore.Span{
Annotations: []*zipkincore.Annotation{},
},
},
wantMin: time.Unix(2, 0).UTC(),
wantMax: time.Unix(2, 0).UTC(),
now: func() time.Time {
return time.Unix(2, 0).UTC()
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if tt.now != nil {
now = tt.now
}
got, got1 := minMax(tt.args.span)
if !reflect.DeepEqual(got, tt.wantMin) {
t.Errorf("minMax() got = %v, want %v", got, tt.wantMin)
}
if !reflect.DeepEqual(got1, tt.wantMax) {
t.Errorf("minMax() got1 = %v, want %v", got1, tt.wantMax)
}
now = time.Now
})
}
}
func Test_host(t *testing.T) {
type args struct {
h *zipkincore.Endpoint
}
tests := []struct {
name string
args args
want string
}{
{
name: "Host Found",
args: args{
h: &zipkincore.Endpoint{
Ipv4: 1234,
Port: 8888,
},
},
want: "0.0.4.210:8888",
},
{
name: "No Host",
args: args{
h: nil,
},
want: "0.0.0.0",
},
{
name: "int overflow zipkin uses an int16 type as an unsigned int 16.",
args: args{
h: &zipkincore.Endpoint{
Ipv4: 1234,
Port: -1,
},
},
want: "0.0.4.210:65535",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := host(tt.args.h); got != tt.want {
t.Errorf("host() = %v, want %v", got, tt.want)
}
})
}
}
func Test_serviceName(t *testing.T) {
type args struct {
h *zipkincore.Endpoint
}
tests := []struct {
name string
args args
want string
}{
{
name: "Found ServiceName",
args: args{
h: &zipkincore.Endpoint{
ServiceName: "zipkin",
},
},
want: "zipkin",
},
{
name: "No ServiceName",
args: args{
h: nil,
},
want: "unknown",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := serviceName(tt.args.h); got != tt.want {
t.Errorf("serviceName() = %v, want %v", got, tt.want)
}
})
}
}

61
plugins/inputs/zipkin/handler.go
View File

@ -2,14 +2,16 @@ package zipkin
import (
"compress/gzip"
"fmt"
"io/ioutil"
"mime"
"net/http"
"strings"
"sync"
"github.com/apache/thrift/lib/go/thrift"
"github.com/gorilla/mux"
"github.com/openzipkin/zipkin-go-opentracing/_thrift/gen-go/zipkincore"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/codec"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/codec/jsonV1"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/codec/thrift"
)
// SpanHandler is an implementation of a Handler which accepts zipkin thrift
@ -17,7 +19,6 @@ import (
type SpanHandler struct {
Path string
recorder Recorder
waitGroup *sync.WaitGroup
}
// NewSpanHandler returns a new server instance given path to handle
@ -81,6 +82,12 @@ func (s *SpanHandler) Spans(w http.ResponseWriter, r *http.Request) {
defer body.Close()
}
decoder, err := ContentDecoder(r)
if err != nil {
s.recorder.Error(err)
w.WriteHeader(http.StatusUnsupportedMediaType)
}
octets, err := ioutil.ReadAll(body)
if err != nil {
s.recorder.Error(err)
@ -88,14 +95,19 @@ func (s *SpanHandler) Spans(w http.ResponseWriter, r *http.Request) {
return
}
spans, err := unmarshalThrift(octets)
spans, err := decoder.Decode(octets)
if err != nil {
s.recorder.Error(err)
w.WriteHeader(http.StatusInternalServerError)
w.WriteHeader(http.StatusBadRequest)
return
}
trace := NewTrace(spans)
trace, err := codec.NewTrace(spans)
if err != nil {
s.recorder.Error(err)
w.WriteHeader(http.StatusBadRequest)
return
}
if err = s.recorder.Record(trace); err != nil {
s.recorder.Error(err)
@ -106,30 +118,25 @@ func (s *SpanHandler) Spans(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNoContent)
}
func unmarshalThrift(body []byte) ([]*zipkincore.Span, error) {
buffer := thrift.NewTMemoryBuffer()
if _, err := buffer.Write(body); err != nil {
return nil, err
// ContentDecoer returns a Decoder that is able to produce Traces from bytes.
// Failure should yield an HTTP 415 (`http.StatusUnsupportedMediaType`)
// If a Content-Type is not set, zipkin assumes application/json
func ContentDecoder(r *http.Request) (codec.Decoder, error) {
contentType := r.Header.Get("Content-Type")
if contentType == "" {
return &jsonV1.JSON{}, nil
}
transport := thrift.NewTBinaryProtocolTransport(buffer)
_, size, err := transport.ReadListBegin()
for _, v := range strings.Split(contentType, ",") {
t, _, err := mime.ParseMediaType(v)
if err != nil {
return nil, err
break
}
spans := make([]*zipkincore.Span, size)
for i := 0; i < size; i++ {
zs := &zipkincore.Span{}
if err = zs.Read(transport); err != nil {
return nil, err
if t == "application/json" {
return &jsonV1.JSON{}, nil
} else if t == "application/x-thrift" {
return &thrift.Thrift{}, nil
}
spans[i] = zs
}
if err = transport.ReadListEnd(); err != nil {
return nil, err
}
return spans, nil
return nil, fmt.Errorf("Unknown Content-Type: %s", contentType)
}

41
plugins/inputs/zipkin/handler_test.go
View File

@ -10,14 +10,15 @@ import (
"time"
"github.com/google/go-cmp/cmp"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/trace"
)
type MockRecorder struct {
Data Trace
Data trace.Trace
Err error
}
func (m *MockRecorder) Record(t Trace) error {
func (m *MockRecorder) Record(t trace.Trace) error {
m.Data = t
return nil
}
@ -39,6 +40,7 @@ func TestSpanHandler(t *testing.T) {
ioutil.NopCloser(
bytes.NewReader(dat)))
r.Header.Set("Content-Type", "application/x-thrift")
handler := NewSpanHandler("/api/v1/spans")
mockRecorder := &MockRecorder{}
handler.recorder = mockRecorder
@ -51,8 +53,8 @@ func TestSpanHandler(t *testing.T) {
got := mockRecorder.Data
parentID := strconv.FormatInt(22964302721410078, 10)
want := Trace{
Span{
want := trace.Trace{
{
Name: "Child",
ID: "8090652509916334619",
TraceID: "22c4fc8ab3669045",
@ -60,18 +62,17 @@ func TestSpanHandler(t *testing.T) {
Timestamp: time.Unix(0, 1498688360851331*int64(time.Microsecond)).UTC(),
Duration: time.Duration(53106) * time.Microsecond,
ServiceName: "trivial",
Annotations: []Annotation{},
BinaryAnnotations: []BinaryAnnotation{
BinaryAnnotation{
Annotations: []trace.Annotation{},
BinaryAnnotations: []trace.BinaryAnnotation{
{
Key: "lc",
Value: "trivial",
Host: "127.0.0.1",
ServiceName: "trivial",
Type: "STRING",
},
},
},
Span{
{
Name: "Child",
ID: "103618986556047333",
TraceID: "22c4fc8ab3669045",
@ -79,18 +80,17 @@ func TestSpanHandler(t *testing.T) {
Timestamp: time.Unix(0, 1498688360904552*int64(time.Microsecond)).UTC(),
Duration: time.Duration(50410) * time.Microsecond,
ServiceName: "trivial",
Annotations: []Annotation{},
BinaryAnnotations: []BinaryAnnotation{
BinaryAnnotation{
Annotations: []trace.Annotation{},
BinaryAnnotations: []trace.BinaryAnnotation{
{
Key: "lc",
Value: "trivial",
Host: "127.0.0.1",
ServiceName: "trivial",
Type: "STRING",
},
},
},
Span{
{
Name: "Parent",
ID: "22964302721410078",
TraceID: "22c4fc8ab3669045",
@ -98,33 +98,32 @@ func TestSpanHandler(t *testing.T) {
Timestamp: time.Unix(0, 1498688360851318*int64(time.Microsecond)).UTC(),
Duration: time.Duration(103680) * time.Microsecond,
ServiceName: "trivial",
Annotations: []Annotation{
Annotation{
Annotations: []trace.Annotation{
{
Timestamp: time.Unix(0, 1498688360851325*int64(time.Microsecond)).UTC(),
Value: "Starting child #0",
Host: "127.0.0.1",
ServiceName: "trivial",
},
Annotation{
{
Timestamp: time.Unix(0, 1498688360904545*int64(time.Microsecond)).UTC(),
Value: "Starting child #1",
Host: "127.0.0.1",
ServiceName: "trivial",
},
Annotation{
{
Timestamp: time.Unix(0, 1498688360954992*int64(time.Microsecond)).UTC(),
Value: "A Log",
Host: "127.0.0.1",
ServiceName: "trivial",
},
},
BinaryAnnotations: []BinaryAnnotation{
BinaryAnnotation{
BinaryAnnotations: []trace.BinaryAnnotation{
{
Key: "lc",
Value: "trivial",
Host: "127.0.0.1",
ServiceName: "trivial",
Type: "STRING",
},
},
},

188
plugins/inputs/zipkin/testdata/json/brave-tracer-example.json vendored Normal file
View File

@ -0,0 +1,188 @@
[
{
"traceId": "7312f822d43d0fd8",
"id": "b26412d1ac16767d",
"name": "http:/hi2",
"parentId": "7312f822d43d0fd8",
"annotations": [
{
"timestamp": 1503031538791000,
"value": "sr",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"timestamp": 1503031538794000,
"value": "ss",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
}
],
"binaryAnnotations": [
{
"key": "mvc.controller.class",
"value": "Demo2Application",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "mvc.controller.method",
"value": "hi2",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "spring.instance_id",
"value": "192.168.0.8:test:8010",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
}
]
},
{
"traceId": "7312f822d43d0fd8",
"id": "b26412d1ac16767d",
"name": "http:/hi2",
"parentId": "7312f822d43d0fd8",
"timestamp": 1503031538786000,
"duration": 10000,
"annotations": [
{
"timestamp": 1503031538786000,
"value": "cs",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"timestamp": 1503031538796000,
"value": "cr",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
}
],
"binaryAnnotations": [
{
"key": "http.host",
"value": "localhost",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "http.method",
"value": "GET",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "http.path",
"value": "/hi2",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "http.url",
"value": "http://localhost:8010/hi2",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "spring.instance_id",
"value": "192.168.0.8:test:8010",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
}
]
},
{
"traceId": "7312f822d43d0fd8",
"id": "7312f822d43d0fd8",
"name": "http:/hi",
"timestamp": 1503031538778000,
"duration": 23393,
"annotations": [
{
"timestamp": 1503031538778000,
"value": "sr",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"timestamp": 1503031538801000,
"value": "ss",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
}
],
"binaryAnnotations": [
{
"key": "mvc.controller.class",
"value": "Demo2Application",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "mvc.controller.method",
"value": "hi",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
},
{
"key": "spring.instance_id",
"value": "192.168.0.8:test:8010",
"endpoint": {
"serviceName": "test",
"ipv4": "192.168.0.8",
"port": 8010
}
}
]
}
]

41
plugins/inputs/zipkin/trace/trace.go Normal file
View File

@ -0,0 +1,41 @@
package trace
import (
"time"
)
// Trace is an array (or a series) of spans
type Trace []Span
//Span represents a specific zipkin span. It holds the majority of the same
// data as a zipkin span sent via the thrift protocol, but is presented in a
// format which is more straightforward for storage purposes.
type Span struct {
ID string
TraceID string // zipkin traceid high concat with traceid
Name string
ParentID string
ServiceName string
Timestamp time.Time // If zipkin input is nil then time.Now()
Duration time.Duration
Annotations []Annotation
BinaryAnnotations []BinaryAnnotation
}
// BinaryAnnotation represents a zipkin binary annotation. It contains
// all of the same fields as might be found in its zipkin counterpart.
type BinaryAnnotation struct {
Key string
Value string
Host string // annotation.endpoint.ipv4 + ":" + annotation.endpoint.port
ServiceName string
}
// Annotation represents an ordinary zipkin annotation. It contains the data fields
// which will become fields/tags in influxdb
type Annotation struct {
Timestamp time.Time
Value string
Host string // annotation.endpoint.ipv4 + ":" + annotation.endpoint.port
ServiceName string
}

45
plugins/inputs/zipkin/zipkin.go
View File

@ -8,11 +8,11 @@ import (
"net/http"
"strconv"
"sync"
"time"
"github.com/gorilla/mux"
"github.com/influxdata/telegraf"
"github.com/influxdata/telegraf/plugins/inputs"
"github.com/influxdata/telegraf/plugins/inputs/zipkin/trace"
)
const (
@ -32,7 +32,7 @@ const (
// Recorder represents a type which can record zipkin trace data as well as
// any accompanying errors, and process that data.
type Recorder interface {
Record(Trace) error
Record(trace.Trace) error
Error(error)
}
@ -42,43 +42,6 @@ type Handler interface {
Register(router *mux.Router, recorder Recorder) error
}
// BinaryAnnotation represents a zipkin binary annotation. It contains
// all of the same fields as might be found in its zipkin counterpart.
type BinaryAnnotation struct {
Key string
Value string
Host string // annotation.endpoint.ipv4 + ":" + annotation.endpoint.port
ServiceName string
Type string
}
// Annotation represents an ordinary zipkin annotation. It contains the data fields
// which will become fields/tags in influxdb
type Annotation struct {
Timestamp time.Time
Value string
Host string // annotation.endpoint.ipv4 + ":" + annotation.endpoint.port
ServiceName string
}
//Span represents a specific zipkin span. It holds the majority of the same
// data as a zipkin span sent via the thrift protocol, but is presented in a
// format which is more straightforward for storage purposes.
type Span struct {
ID string
TraceID string // zipkin traceid high concat with traceid
Name string
ParentID string
ServiceName string
Timestamp time.Time // If zipkin input is nil then time.Now()
Duration time.Duration
Annotations []Annotation
BinaryAnnotations []BinaryAnnotation
}
// Trace is an array (or a series) of spans
type Trace []Span
const sampleConfig = `
# path = "/api/v1/spans" # URL path for span data
# port = 9411 # Port on which Telegraf listens
@ -122,7 +85,9 @@ func (z *Zipkin) Start(acc telegraf.Accumulator) error {
router := mux.NewRouter()
converter := NewLineProtocolConverter(acc)
z.handler.Register(router, converter)
if err := z.handler.Register(router, converter); err != nil {
return err
}
z.server = &http.Server{
Handler: router,

350
plugins/inputs/zipkin/zipkin_test.go
View File

@ -17,13 +17,15 @@ func TestZipkinPlugin(t *testing.T) {
tests := []struct {
name string
thriftDataFile string //path name to a binary thrift data file which contains test data
datafile string // data file which contains test data
contentType string
wantErr bool
want []testutil.Metric
}{
{
name: "threespan",
thriftDataFile: "testdata/threespans.dat",
datafile: "testdata/threespans.dat",
contentType: "application/x-thrift",
want: []testutil.Metric{
testutil.Metric{
Measurement: "zipkin",
@ -171,7 +173,8 @@ func TestZipkinPlugin(t *testing.T) {
},
{
name: "distributed_trace_sample",
thriftDataFile: "testdata/distributed_trace_sample.dat",
datafile: "testdata/distributed_trace_sample.dat",
contentType: "application/x-thrift",
want: []testutil.Metric{
testutil.Metric{
Measurement: "zipkin",
@ -185,7 +188,6 @@ func TestZipkinPlugin(t *testing.T) {
Fields: map[string]interface{}{
"duration_ns": (time.Duration(1) * time.Microsecond).Nanoseconds(),
},
//Time: time.Unix(1, 0).UTC(),
Time: time.Unix(0, 1433330263415871*int64(time.Microsecond)).UTC(),
},
testutil.Metric{
@ -202,7 +204,6 @@ func TestZipkinPlugin(t *testing.T) {
Fields: map[string]interface{}{
"duration_ns": (time.Duration(1) * time.Microsecond).Nanoseconds(),
},
//Time: time.Unix(1, 0).UTC(),
Time: time.Unix(0, 1433330263415871*int64(time.Microsecond)).UTC(),
},
testutil.Metric{
@ -223,6 +224,337 @@ func TestZipkinPlugin(t *testing.T) {
},
},
},
{
name: "JSON rather than thrift",
datafile: "testdata/json/brave-tracer-example.json",
contentType: "application/json",
want: []testutil.Metric{
{
Measurement: "zipkin",
Tags: map[string]string{
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(3000000),
}, Time: time.Unix(0, 1503031538791000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "sr",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(3000000),
},
Time: time.Unix(0, 1503031538791000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "ss",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(3000000),
},
Time: time.Unix(0, 1503031538791000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "Demo2Application",
"annotation_key": "mvc.controller.class",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(3000000),
},
Time: time.Unix(0, 1503031538791000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "hi2",
"annotation_key": "mvc.controller.method",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(3000000),
},
Time: time.Unix(0, 1503031538791000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "192.168.0.8:test:8010",
"annotation_key": "spring.instance_id",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(3000000),
},
Time: time.Unix(0, 1503031538791000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "cs",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "cr",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "localhost",
"annotation_key": "http.host",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "GET",
"annotation_key": "http.method",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "/hi2",
"annotation_key": "http.path",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "http://localhost:8010/hi2",
"annotation_key": "http.url",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "192.168.0.8:test:8010",
"annotation_key": "spring.instance_id",
"endpoint_host": "192.168.0.8:8010",
"id": "12854419928166856317",
"name": "http:/hi2",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(10000000),
},
Time: time.Unix(0, 1503031538786000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"id": "8291962692415852504",
"name": "http:/hi",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(23393000),
},
Time: time.Unix(0, 1503031538778000*int64(time.Microsecond)).UTC(),
},
{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "sr",
"endpoint_host": "192.168.0.8:8010",
"id": "8291962692415852504",
"name": "http:/hi",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(23393000),
},
Time: time.Unix(0, 1503031538778000*int64(time.Microsecond)).UTC(),
},
testutil.Metric{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "ss",
"endpoint_host": "192.168.0.8:8010",
"id": "8291962692415852504",
"name": "http:/hi",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(23393000),
},
Time: time.Unix(0, 1503031538778000*int64(time.Microsecond)).UTC(),
},
testutil.Metric{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "Demo2Application",
"annotation_key": "mvc.controller.class",
"endpoint_host": "192.168.0.8:8010",
"id": "8291962692415852504",
"name": "http:/hi",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(23393000),
},
Time: time.Unix(0, 1503031538778000*int64(time.Microsecond)).UTC(),
},
testutil.Metric{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "hi",
"annotation_key": "mvc.controller.method",
"endpoint_host": "192.168.0.8:8010",
"id": "8291962692415852504",
"name": "http:/hi",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(23393000),
},
Time: time.Unix(0, 1503031538778000*int64(time.Microsecond)).UTC(),
},
testutil.Metric{
Measurement: "zipkin",
Tags: map[string]string{
"annotation": "192.168.0.8:test:8010",
"annotation_key": "spring.instance_id",
"endpoint_host": "192.168.0.8:8010",
"id": "8291962692415852504",
"name": "http:/hi",
"parent_id": "8291962692415852504",
"service_name": "test",
"trace_id": "7312f822d43d0fd8",
},
Fields: map[string]interface{}{
"duration_ns": int64(23393000),
},
Time: time.Unix(0, 1503031538778000*int64(time.Microsecond)).UTC(),
},
},
},
}
z := &Zipkin{
@ -240,7 +572,7 @@ func TestZipkinPlugin(t *testing.T) {
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
mockAcc.ClearMetrics()
if err := postThriftData(tt.thriftDataFile, z.address); err != nil {
if err := postThriftData(tt.datafile, z.address, tt.contentType); err != nil {
t.Fatalf("Posting data to http endpoint /api/v1/spans failed. Error: %s\n", err)
}
mockAcc.Wait(len(tt.want)) //Since the server is running concurrently, we need to wait for the number of data points we want to test to be added to the Accumulator.
@ -252,7 +584,6 @@ func TestZipkinPlugin(t *testing.T) {
for _, m := range mockAcc.Metrics {
got = append(got, *m)
}
if !cmp.Equal(tt.want, got) {
t.Fatalf("Got != Want\n %s", cmp.Diff(tt.want, got))
}
@ -266,19 +597,18 @@ func TestZipkinPlugin(t *testing.T) {
}
}
func postThriftData(datafile, address string) error {
func postThriftData(datafile, address, contentType string) error {
dat, err := ioutil.ReadFile(datafile)
if err != nil {
return fmt.Errorf("could not read from data file %s", datafile)
}
req, err := http.NewRequest("POST", fmt.Sprintf("http://%s/api/v1/spans", address), bytes.NewReader(dat))
if err != nil {
return fmt.Errorf("HTTP request creation failed")
}
req.Header.Set("Content-Type", "application/x-thrift")
req.Header.Set("Content-Type", contentType)
client := &http.Client{}
_, err = client.Do(req)
if err != nil {