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TUN-9467: bump coredns to solve CVE

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* TUN-9467: bump coredns to solve CVE
This commit is contained in:
João Oliveirinha
2025-06-12 10:46:10 +00:00
committed by João "Pisco" Fernandes
parent f8d12c9d39
commit a408612f26
459 changed files with 30077 additions and 16165 deletions
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661
vendor/go.opentelemetry.io/otel/trace/auto.go generated vendored Normal file
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@@ -0,0 +1,661 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package trace // import "go.opentelemetry.io/otel/trace"
import (
"context"
"encoding/json"
"fmt"
"math"
"os"
"reflect"
"runtime"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
"unicode/utf8"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
"go.opentelemetry.io/otel/trace/embedded"
"go.opentelemetry.io/otel/trace/internal/telemetry"
)
// newAutoTracerProvider returns an auto-instrumentable [trace.TracerProvider].
// If an [go.opentelemetry.io/auto.Instrumentation] is configured to instrument
// the process using the returned TracerProvider, all of the telemetry it
// produces will be processed and handled by that Instrumentation. By default,
// if no Instrumentation instruments the TracerProvider it will not generate
// any trace telemetry.
func newAutoTracerProvider() TracerProvider { return tracerProviderInstance }
var tracerProviderInstance = new(autoTracerProvider)
type autoTracerProvider struct{ embedded.TracerProvider }
var _ TracerProvider = autoTracerProvider{}
func (p autoTracerProvider) Tracer(name string, opts ...TracerOption) Tracer {
cfg := NewTracerConfig(opts...)
return autoTracer{
name: name,
version: cfg.InstrumentationVersion(),
schemaURL: cfg.SchemaURL(),
}
}
type autoTracer struct {
embedded.Tracer
name, schemaURL, version string
}
var _ Tracer = autoTracer{}
func (t autoTracer) Start(ctx context.Context, name string, opts ...SpanStartOption) (context.Context, Span) {
var psc SpanContext
sampled := true
span := new(autoSpan)
// Ask eBPF for sampling decision and span context info.
t.start(ctx, span, &psc, &sampled, &span.spanContext)
span.sampled.Store(sampled)
ctx = ContextWithSpan(ctx, span)
if sampled {
// Only build traces if sampled.
cfg := NewSpanStartConfig(opts...)
span.traces, span.span = t.traces(name, cfg, span.spanContext, psc)
}
return ctx, span
}
// Expected to be implemented in eBPF.
//
//go:noinline
func (t *autoTracer) start(
ctx context.Context,
spanPtr *autoSpan,
psc *SpanContext,
sampled *bool,
sc *SpanContext,
) {
start(ctx, spanPtr, psc, sampled, sc)
}
// start is used for testing.
var start = func(context.Context, *autoSpan, *SpanContext, *bool, *SpanContext) {}
func (t autoTracer) traces(name string, cfg SpanConfig, sc, psc SpanContext) (*telemetry.Traces, *telemetry.Span) {
span := &telemetry.Span{
TraceID: telemetry.TraceID(sc.TraceID()),
SpanID: telemetry.SpanID(sc.SpanID()),
Flags: uint32(sc.TraceFlags()),
TraceState: sc.TraceState().String(),
ParentSpanID: telemetry.SpanID(psc.SpanID()),
Name: name,
Kind: spanKind(cfg.SpanKind()),
}
span.Attrs, span.DroppedAttrs = convCappedAttrs(maxSpan.Attrs, cfg.Attributes())
links := cfg.Links()
if limit := maxSpan.Links; limit == 0 {
n := int64(len(links))
if n > 0 {
span.DroppedLinks = uint32(min(n, math.MaxUint32)) // nolint: gosec // Bounds checked.
}
} else {
if limit > 0 {
n := int64(max(len(links)-limit, 0))
span.DroppedLinks = uint32(min(n, math.MaxUint32)) // nolint: gosec // Bounds checked.
links = links[n:]
}
span.Links = convLinks(links)
}
if t := cfg.Timestamp(); !t.IsZero() {
span.StartTime = cfg.Timestamp()
} else {
span.StartTime = time.Now()
}
return &telemetry.Traces{
ResourceSpans: []*telemetry.ResourceSpans{
{
ScopeSpans: []*telemetry.ScopeSpans{
{
Scope: &telemetry.Scope{
Name: t.name,
Version: t.version,
},
Spans: []*telemetry.Span{span},
SchemaURL: t.schemaURL,
},
},
},
},
}, span
}
func spanKind(kind SpanKind) telemetry.SpanKind {
switch kind {
case SpanKindInternal:
return telemetry.SpanKindInternal
case SpanKindServer:
return telemetry.SpanKindServer
case SpanKindClient:
return telemetry.SpanKindClient
case SpanKindProducer:
return telemetry.SpanKindProducer
case SpanKindConsumer:
return telemetry.SpanKindConsumer
}
return telemetry.SpanKind(0) // undefined.
}
type autoSpan struct {
embedded.Span
spanContext SpanContext
sampled atomic.Bool
mu sync.Mutex
traces *telemetry.Traces
span *telemetry.Span
}
func (s *autoSpan) SpanContext() SpanContext {
if s == nil {
return SpanContext{}
}
// s.spanContext is immutable, do not acquire lock s.mu.
return s.spanContext
}
func (s *autoSpan) IsRecording() bool {
if s == nil {
return false
}
return s.sampled.Load()
}
func (s *autoSpan) SetStatus(c codes.Code, msg string) {
if s == nil || !s.sampled.Load() {
return
}
s.mu.Lock()
defer s.mu.Unlock()
if s.span.Status == nil {
s.span.Status = new(telemetry.Status)
}
s.span.Status.Message = msg
switch c {
case codes.Unset:
s.span.Status.Code = telemetry.StatusCodeUnset
case codes.Error:
s.span.Status.Code = telemetry.StatusCodeError
case codes.Ok:
s.span.Status.Code = telemetry.StatusCodeOK
}
}
func (s *autoSpan) SetAttributes(attrs ...attribute.KeyValue) {
if s == nil || !s.sampled.Load() {
return
}
s.mu.Lock()
defer s.mu.Unlock()
limit := maxSpan.Attrs
if limit == 0 {
// No attributes allowed.
n := int64(len(attrs))
if n > 0 {
s.span.DroppedAttrs += uint32(min(n, math.MaxUint32)) // nolint: gosec // Bounds checked.
}
return
}
m := make(map[string]int)
for i, a := range s.span.Attrs {
m[a.Key] = i
}
for _, a := range attrs {
val := convAttrValue(a.Value)
if val.Empty() {
s.span.DroppedAttrs++
continue
}
if idx, ok := m[string(a.Key)]; ok {
s.span.Attrs[idx] = telemetry.Attr{
Key: string(a.Key),
Value: val,
}
} else if limit < 0 || len(s.span.Attrs) < limit {
s.span.Attrs = append(s.span.Attrs, telemetry.Attr{
Key: string(a.Key),
Value: val,
})
m[string(a.Key)] = len(s.span.Attrs) - 1
} else {
s.span.DroppedAttrs++
}
}
}
// convCappedAttrs converts up to limit attrs into a []telemetry.Attr. The
// number of dropped attributes is also returned.
func convCappedAttrs(limit int, attrs []attribute.KeyValue) ([]telemetry.Attr, uint32) {
n := len(attrs)
if limit == 0 {
var out uint32
if n > 0 {
out = uint32(min(int64(n), math.MaxUint32)) // nolint: gosec // Bounds checked.
}
return nil, out
}
if limit < 0 {
// Unlimited.
return convAttrs(attrs), 0
}
if n < 0 {
n = 0
}
limit = min(n, limit)
return convAttrs(attrs[:limit]), uint32(n - limit) // nolint: gosec // Bounds checked.
}
func convAttrs(attrs []attribute.KeyValue) []telemetry.Attr {
if len(attrs) == 0 {
// Avoid allocations if not necessary.
return nil
}
out := make([]telemetry.Attr, 0, len(attrs))
for _, attr := range attrs {
key := string(attr.Key)
val := convAttrValue(attr.Value)
if val.Empty() {
continue
}
out = append(out, telemetry.Attr{Key: key, Value: val})
}
return out
}
func convAttrValue(value attribute.Value) telemetry.Value {
switch value.Type() {
case attribute.BOOL:
return telemetry.BoolValue(value.AsBool())
case attribute.INT64:
return telemetry.Int64Value(value.AsInt64())
case attribute.FLOAT64:
return telemetry.Float64Value(value.AsFloat64())
case attribute.STRING:
v := truncate(maxSpan.AttrValueLen, value.AsString())
return telemetry.StringValue(v)
case attribute.BOOLSLICE:
slice := value.AsBoolSlice()
out := make([]telemetry.Value, 0, len(slice))
for _, v := range slice {
out = append(out, telemetry.BoolValue(v))
}
return telemetry.SliceValue(out...)
case attribute.INT64SLICE:
slice := value.AsInt64Slice()
out := make([]telemetry.Value, 0, len(slice))
for _, v := range slice {
out = append(out, telemetry.Int64Value(v))
}
return telemetry.SliceValue(out...)
case attribute.FLOAT64SLICE:
slice := value.AsFloat64Slice()
out := make([]telemetry.Value, 0, len(slice))
for _, v := range slice {
out = append(out, telemetry.Float64Value(v))
}
return telemetry.SliceValue(out...)
case attribute.STRINGSLICE:
slice := value.AsStringSlice()
out := make([]telemetry.Value, 0, len(slice))
for _, v := range slice {
v = truncate(maxSpan.AttrValueLen, v)
out = append(out, telemetry.StringValue(v))
}
return telemetry.SliceValue(out...)
}
return telemetry.Value{}
}
// truncate returns a truncated version of s such that it contains less than
// the limit number of characters. Truncation is applied by returning the limit
// number of valid characters contained in s.
//
// If limit is negative, it returns the original string.
//
// UTF-8 is supported. When truncating, all invalid characters are dropped
// before applying truncation.
//
// If s already contains less than the limit number of bytes, it is returned
// unchanged. No invalid characters are removed.
func truncate(limit int, s string) string {
// This prioritize performance in the following order based on the most
// common expected use-cases.
//
// - Short values less than the default limit (128).
// - Strings with valid encodings that exceed the limit.
// - No limit.
// - Strings with invalid encodings that exceed the limit.
if limit < 0 || len(s) <= limit {
return s
}
// Optimistically, assume all valid UTF-8.
var b strings.Builder
count := 0
for i, c := range s {
if c != utf8.RuneError {
count++
if count > limit {
return s[:i]
}
continue
}
_, size := utf8.DecodeRuneInString(s[i:])
if size == 1 {
// Invalid encoding.
b.Grow(len(s) - 1)
_, _ = b.WriteString(s[:i])
s = s[i:]
break
}
}
// Fast-path, no invalid input.
if b.Cap() == 0 {
return s
}
// Truncate while validating UTF-8.
for i := 0; i < len(s) && count < limit; {
c := s[i]
if c < utf8.RuneSelf {
// Optimization for single byte runes (common case).
_ = b.WriteByte(c)
i++
count++
continue
}
_, size := utf8.DecodeRuneInString(s[i:])
if size == 1 {
// We checked for all 1-byte runes above, this is a RuneError.
i++
continue
}
_, _ = b.WriteString(s[i : i+size])
i += size
count++
}
return b.String()
}
func (s *autoSpan) End(opts ...SpanEndOption) {
if s == nil || !s.sampled.Swap(false) {
return
}
// s.end exists so the lock (s.mu) is not held while s.ended is called.
s.ended(s.end(opts))
}
func (s *autoSpan) end(opts []SpanEndOption) []byte {
s.mu.Lock()
defer s.mu.Unlock()
cfg := NewSpanEndConfig(opts...)
if t := cfg.Timestamp(); !t.IsZero() {
s.span.EndTime = cfg.Timestamp()
} else {
s.span.EndTime = time.Now()
}
b, _ := json.Marshal(s.traces) // TODO: do not ignore this error.
return b
}
// Expected to be implemented in eBPF.
//
//go:noinline
func (*autoSpan) ended(buf []byte) { ended(buf) }
// ended is used for testing.
var ended = func([]byte) {}
func (s *autoSpan) RecordError(err error, opts ...EventOption) {
if s == nil || err == nil || !s.sampled.Load() {
return
}
cfg := NewEventConfig(opts...)
attrs := cfg.Attributes()
attrs = append(attrs,
semconv.ExceptionType(typeStr(err)),
semconv.ExceptionMessage(err.Error()),
)
if cfg.StackTrace() {
buf := make([]byte, 2048)
n := runtime.Stack(buf, false)
attrs = append(attrs, semconv.ExceptionStacktrace(string(buf[0:n])))
}
s.mu.Lock()
defer s.mu.Unlock()
s.addEvent(semconv.ExceptionEventName, cfg.Timestamp(), attrs)
}
func typeStr(i any) string {
t := reflect.TypeOf(i)
if t.PkgPath() == "" && t.Name() == "" {
// Likely a builtin type.
return t.String()
}
return fmt.Sprintf("%s.%s", t.PkgPath(), t.Name())
}
func (s *autoSpan) AddEvent(name string, opts ...EventOption) {
if s == nil || !s.sampled.Load() {
return
}
cfg := NewEventConfig(opts...)
s.mu.Lock()
defer s.mu.Unlock()
s.addEvent(name, cfg.Timestamp(), cfg.Attributes())
}
// addEvent adds an event with name and attrs at tStamp to the span. The span
// lock (s.mu) needs to be held by the caller.
func (s *autoSpan) addEvent(name string, tStamp time.Time, attrs []attribute.KeyValue) {
limit := maxSpan.Events
if limit == 0 {
s.span.DroppedEvents++
return
}
if limit > 0 && len(s.span.Events) == limit {
// Drop head while avoiding allocation of more capacity.
copy(s.span.Events[:limit-1], s.span.Events[1:])
s.span.Events = s.span.Events[:limit-1]
s.span.DroppedEvents++
}
e := &telemetry.SpanEvent{Time: tStamp, Name: name}
e.Attrs, e.DroppedAttrs = convCappedAttrs(maxSpan.EventAttrs, attrs)
s.span.Events = append(s.span.Events, e)
}
func (s *autoSpan) AddLink(link Link) {
if s == nil || !s.sampled.Load() {
return
}
l := maxSpan.Links
s.mu.Lock()
defer s.mu.Unlock()
if l == 0 {
s.span.DroppedLinks++
return
}
if l > 0 && len(s.span.Links) == l {
// Drop head while avoiding allocation of more capacity.
copy(s.span.Links[:l-1], s.span.Links[1:])
s.span.Links = s.span.Links[:l-1]
s.span.DroppedLinks++
}
s.span.Links = append(s.span.Links, convLink(link))
}
func convLinks(links []Link) []*telemetry.SpanLink {
out := make([]*telemetry.SpanLink, 0, len(links))
for _, link := range links {
out = append(out, convLink(link))
}
return out
}
func convLink(link Link) *telemetry.SpanLink {
l := &telemetry.SpanLink{
TraceID: telemetry.TraceID(link.SpanContext.TraceID()),
SpanID: telemetry.SpanID(link.SpanContext.SpanID()),
TraceState: link.SpanContext.TraceState().String(),
Flags: uint32(link.SpanContext.TraceFlags()),
}
l.Attrs, l.DroppedAttrs = convCappedAttrs(maxSpan.LinkAttrs, link.Attributes)
return l
}
func (s *autoSpan) SetName(name string) {
if s == nil || !s.sampled.Load() {
return
}
s.mu.Lock()
defer s.mu.Unlock()
s.span.Name = name
}
func (*autoSpan) TracerProvider() TracerProvider { return newAutoTracerProvider() }
// maxSpan are the span limits resolved during startup.
var maxSpan = newSpanLimits()
type spanLimits struct {
// Attrs is the number of allowed attributes for a span.
//
// This is resolved from the environment variable value for the
// OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT key if it exists. Otherwise, the
// environment variable value for OTEL_ATTRIBUTE_COUNT_LIMIT, or 128 if
// that is not set, is used.
Attrs int
// AttrValueLen is the maximum attribute value length allowed for a span.
//
// This is resolved from the environment variable value for the
// OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT key if it exists. Otherwise, the
// environment variable value for OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT, or -1
// if that is not set, is used.
AttrValueLen int
// Events is the number of allowed events for a span.
//
// This is resolved from the environment variable value for the
// OTEL_SPAN_EVENT_COUNT_LIMIT key, or 128 is used if that is not set.
Events int
// EventAttrs is the number of allowed attributes for a span event.
//
// The is resolved from the environment variable value for the
// OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT key, or 128 is used if that is not set.
EventAttrs int
// Links is the number of allowed Links for a span.
//
// This is resolved from the environment variable value for the
// OTEL_SPAN_LINK_COUNT_LIMIT, or 128 is used if that is not set.
Links int
// LinkAttrs is the number of allowed attributes for a span link.
//
// This is resolved from the environment variable value for the
// OTEL_LINK_ATTRIBUTE_COUNT_LIMIT, or 128 is used if that is not set.
LinkAttrs int
}
func newSpanLimits() spanLimits {
return spanLimits{
Attrs: firstEnv(
128,
"OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT",
"OTEL_ATTRIBUTE_COUNT_LIMIT",
),
AttrValueLen: firstEnv(
-1, // Unlimited.
"OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT",
"OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT",
),
Events: firstEnv(128, "OTEL_SPAN_EVENT_COUNT_LIMIT"),
EventAttrs: firstEnv(128, "OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT"),
Links: firstEnv(128, "OTEL_SPAN_LINK_COUNT_LIMIT"),
LinkAttrs: firstEnv(128, "OTEL_LINK_ATTRIBUTE_COUNT_LIMIT"),
}
}
// firstEnv returns the parsed integer value of the first matching environment
// variable from keys. The defaultVal is returned if the value is not an
// integer or no match is found.
func firstEnv(defaultVal int, keys ...string) int {
for _, key := range keys {
strV := os.Getenv(key)
if strV == "" {
continue
}
v, err := strconv.Atoi(strV)
if err == nil {
return v
}
// Ignore invalid environment variable.
}
return defaultVal
}

2
vendor/go.opentelemetry.io/otel/trace/config.go generated vendored
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@@ -213,7 +213,7 @@ var _ SpanStartEventOption = attributeOption{}
// WithAttributes adds the attributes related to a span life-cycle event.
// These attributes are used to describe the work a Span represents when this
// option is provided to a Span's start or end events. Otherwise, these
// option is provided to a Span's start event. Otherwise, these
// attributes provide additional information about the event being recorded
// (e.g. error, state change, processing progress, system event).
//

2
vendor/go.opentelemetry.io/otel/trace/context.go generated vendored
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@@ -22,7 +22,7 @@ func ContextWithSpanContext(parent context.Context, sc SpanContext) context.Cont
return ContextWithSpan(parent, nonRecordingSpan{sc: sc})
}
// ContextWithRemoteSpanContext returns a copy of parent with rsc set explicly
// ContextWithRemoteSpanContext returns a copy of parent with rsc set explicitly
// as a remote SpanContext and as the current Span. The Span implementation
// that wraps rsc is non-recording and performs no operations other than to
// return rsc as the SpanContext from the SpanContext method.

2
vendor/go.opentelemetry.io/otel/trace/doc.go generated vendored
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@@ -96,7 +96,7 @@ can embed the API interface directly.
This option is not recommended. It will lead to publishing packages that
contain runtime panics when users update to newer versions of
[go.opentelemetry.io/otel/trace], which may be done with a trasitive
[go.opentelemetry.io/otel/trace], which may be done with a transitive
dependency.
Finally, an author can embed another implementation in theirs. The embedded

58
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/attr.go generated vendored Normal file
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@@ -0,0 +1,58 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
// Attr is a key-value pair.
type Attr struct {
Key string `json:"key,omitempty"`
Value Value `json:"value,omitempty"`
}
// String returns an Attr for a string value.
func String(key, value string) Attr {
return Attr{key, StringValue(value)}
}
// Int64 returns an Attr for an int64 value.
func Int64(key string, value int64) Attr {
return Attr{key, Int64Value(value)}
}
// Int returns an Attr for an int value.
func Int(key string, value int) Attr {
return Int64(key, int64(value))
}
// Float64 returns an Attr for a float64 value.
func Float64(key string, value float64) Attr {
return Attr{key, Float64Value(value)}
}
// Bool returns an Attr for a bool value.
func Bool(key string, value bool) Attr {
return Attr{key, BoolValue(value)}
}
// Bytes returns an Attr for a []byte value.
// The passed slice must not be changed after it is passed.
func Bytes(key string, value []byte) Attr {
return Attr{key, BytesValue(value)}
}
// Slice returns an Attr for a []Value value.
// The passed slice must not be changed after it is passed.
func Slice(key string, value ...Value) Attr {
return Attr{key, SliceValue(value...)}
}
// Map returns an Attr for a map value.
// The passed slice must not be changed after it is passed.
func Map(key string, value ...Attr) Attr {
return Attr{key, MapValue(value...)}
}
// Equal returns if a is equal to b.
func (a Attr) Equal(b Attr) bool {
return a.Key == b.Key && a.Value.Equal(b.Value)
}

8
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/doc.go generated vendored Normal file
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@@ -0,0 +1,8 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
/*
Package telemetry provides a lightweight representations of OpenTelemetry
telemetry that is compatible with the OTLP JSON protobuf encoding.
*/
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"

103
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/id.go generated vendored Normal file
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@@ -0,0 +1,103 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"encoding/hex"
"errors"
"fmt"
)
const (
traceIDSize = 16
spanIDSize = 8
)
// TraceID is a custom data type that is used for all trace IDs.
type TraceID [traceIDSize]byte
// String returns the hex string representation form of a TraceID.
func (tid TraceID) String() string {
return hex.EncodeToString(tid[:])
}
// IsEmpty returns false if id contains at least one non-zero byte.
func (tid TraceID) IsEmpty() bool {
return tid == [traceIDSize]byte{}
}
// MarshalJSON converts the trace ID into a hex string enclosed in quotes.
func (tid TraceID) MarshalJSON() ([]byte, error) {
if tid.IsEmpty() {
return []byte(`""`), nil
}
return marshalJSON(tid[:])
}
// UnmarshalJSON inflates the trace ID from hex string, possibly enclosed in
// quotes.
func (tid *TraceID) UnmarshalJSON(data []byte) error {
*tid = [traceIDSize]byte{}
return unmarshalJSON(tid[:], data)
}
// SpanID is a custom data type that is used for all span IDs.
type SpanID [spanIDSize]byte
// String returns the hex string representation form of a SpanID.
func (sid SpanID) String() string {
return hex.EncodeToString(sid[:])
}
// IsEmpty returns true if the span ID contains at least one non-zero byte.
func (sid SpanID) IsEmpty() bool {
return sid == [spanIDSize]byte{}
}
// MarshalJSON converts span ID into a hex string enclosed in quotes.
func (sid SpanID) MarshalJSON() ([]byte, error) {
if sid.IsEmpty() {
return []byte(`""`), nil
}
return marshalJSON(sid[:])
}
// UnmarshalJSON decodes span ID from hex string, possibly enclosed in quotes.
func (sid *SpanID) UnmarshalJSON(data []byte) error {
*sid = [spanIDSize]byte{}
return unmarshalJSON(sid[:], data)
}
// marshalJSON converts id into a hex string enclosed in quotes.
func marshalJSON(id []byte) ([]byte, error) {
// Plus 2 quote chars at the start and end.
hexLen := hex.EncodedLen(len(id)) + 2
b := make([]byte, hexLen)
hex.Encode(b[1:hexLen-1], id)
b[0], b[hexLen-1] = '"', '"'
return b, nil
}
// unmarshalJSON inflates trace id from hex string, possibly enclosed in quotes.
func unmarshalJSON(dst []byte, src []byte) error {
if l := len(src); l >= 2 && src[0] == '"' && src[l-1] == '"' {
src = src[1 : l-1]
}
nLen := len(src)
if nLen == 0 {
return nil
}
if len(dst) != hex.DecodedLen(nLen) {
return errors.New("invalid length for ID")
}
_, err := hex.Decode(dst, src)
if err != nil {
return fmt.Errorf("cannot unmarshal ID from string '%s': %w", string(src), err)
}
return nil
}

67
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/number.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"encoding/json"
"strconv"
)
// protoInt64 represents the protobuf encoding of integers which can be either
// strings or integers.
type protoInt64 int64
// Int64 returns the protoInt64 as an int64.
func (i *protoInt64) Int64() int64 { return int64(*i) }
// UnmarshalJSON decodes both strings and integers.
func (i *protoInt64) UnmarshalJSON(data []byte) error {
if data[0] == '"' {
var str string
if err := json.Unmarshal(data, &str); err != nil {
return err
}
parsedInt, err := strconv.ParseInt(str, 10, 64)
if err != nil {
return err
}
*i = protoInt64(parsedInt)
} else {
var parsedInt int64
if err := json.Unmarshal(data, &parsedInt); err != nil {
return err
}
*i = protoInt64(parsedInt)
}
return nil
}
// protoUint64 represents the protobuf encoding of integers which can be either
// strings or integers.
type protoUint64 uint64
// Int64 returns the protoUint64 as a uint64.
func (i *protoUint64) Uint64() uint64 { return uint64(*i) }
// UnmarshalJSON decodes both strings and integers.
func (i *protoUint64) UnmarshalJSON(data []byte) error {
if data[0] == '"' {
var str string
if err := json.Unmarshal(data, &str); err != nil {
return err
}
parsedUint, err := strconv.ParseUint(str, 10, 64)
if err != nil {
return err
}
*i = protoUint64(parsedUint)
} else {
var parsedUint uint64
if err := json.Unmarshal(data, &parsedUint); err != nil {
return err
}
*i = protoUint64(parsedUint)
}
return nil
}

66
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/resource.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
)
// Resource information.
type Resource struct {
// Attrs are the set of attributes that describe the resource. Attribute
// keys MUST be unique (it is not allowed to have more than one attribute
// with the same key).
Attrs []Attr `json:"attributes,omitempty"`
// DroppedAttrs is the number of dropped attributes. If the value
// is 0, then no attributes were dropped.
DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into r.
func (r *Resource) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid Resource type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid Resource field: %#v", keyIface)
}
switch key {
case "attributes":
err = decoder.Decode(&r.Attrs)
case "droppedAttributesCount", "dropped_attributes_count":
err = decoder.Decode(&r.DroppedAttrs)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}

67
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/scope.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
)
// Scope is the identifying values of the instrumentation scope.
type Scope struct {
Name string `json:"name,omitempty"`
Version string `json:"version,omitempty"`
Attrs []Attr `json:"attributes,omitempty"`
DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into r.
func (s *Scope) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid Scope type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid Scope field: %#v", keyIface)
}
switch key {
case "name":
err = decoder.Decode(&s.Name)
case "version":
err = decoder.Decode(&s.Version)
case "attributes":
err = decoder.Decode(&s.Attrs)
case "droppedAttributesCount", "dropped_attributes_count":
err = decoder.Decode(&s.DroppedAttrs)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}

460
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/span.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"bytes"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"io"
"math"
"time"
)
// A Span represents a single operation performed by a single component of the
// system.
type Span struct {
// A unique identifier for a trace. All spans from the same trace share
// the same `trace_id`. The ID is a 16-byte array. An ID with all zeroes OR
// of length other than 16 bytes is considered invalid (empty string in OTLP/JSON
// is zero-length and thus is also invalid).
//
// This field is required.
TraceID TraceID `json:"traceId,omitempty"`
// A unique identifier for a span within a trace, assigned when the span
// is created. The ID is an 8-byte array. An ID with all zeroes OR of length
// other than 8 bytes is considered invalid (empty string in OTLP/JSON
// is zero-length and thus is also invalid).
//
// This field is required.
SpanID SpanID `json:"spanId,omitempty"`
// trace_state conveys information about request position in multiple distributed tracing graphs.
// It is a trace_state in w3c-trace-context format: https://www.w3.org/TR/trace-context/#tracestate-header
// See also https://github.com/w3c/distributed-tracing for more details about this field.
TraceState string `json:"traceState,omitempty"`
// The `span_id` of this span's parent span. If this is a root span, then this
// field must be empty. The ID is an 8-byte array.
ParentSpanID SpanID `json:"parentSpanId,omitempty"`
// Flags, a bit field.
//
// Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace
// Context specification. To read the 8-bit W3C trace flag, use
// `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
//
// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
//
// Bits 8 and 9 represent the 3 states of whether a span's parent
// is remote. The states are (unknown, is not remote, is remote).
// To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.
// To read whether the span is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.
//
// When creating span messages, if the message is logically forwarded from another source
// with an equivalent flags fields (i.e., usually another OTLP span message), the field SHOULD
// be copied as-is. If creating from a source that does not have an equivalent flags field
// (such as a runtime representation of an OpenTelemetry span), the high 22 bits MUST
// be set to zero.
// Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.
//
// [Optional].
Flags uint32 `json:"flags,omitempty"`
// A description of the span's operation.
//
// For example, the name can be a qualified method name or a file name
// and a line number where the operation is called. A best practice is to use
// the same display name at the same call point in an application.
// This makes it easier to correlate spans in different traces.
//
// This field is semantically required to be set to non-empty string.
// Empty value is equivalent to an unknown span name.
//
// This field is required.
Name string `json:"name"`
// Distinguishes between spans generated in a particular context. For example,
// two spans with the same name may be distinguished using `CLIENT` (caller)
// and `SERVER` (callee) to identify queueing latency associated with the span.
Kind SpanKind `json:"kind,omitempty"`
// start_time_unix_nano is the start time of the span. On the client side, this is the time
// kept by the local machine where the span execution starts. On the server side, this
// is the time when the server's application handler starts running.
// Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.
//
// This field is semantically required and it is expected that end_time >= start_time.
StartTime time.Time `json:"startTimeUnixNano,omitempty"`
// end_time_unix_nano is the end time of the span. On the client side, this is the time
// kept by the local machine where the span execution ends. On the server side, this
// is the time when the server application handler stops running.
// Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.
//
// This field is semantically required and it is expected that end_time >= start_time.
EndTime time.Time `json:"endTimeUnixNano,omitempty"`
// attributes is a collection of key/value pairs. Note, global attributes
// like server name can be set using the resource API. Examples of attributes:
//
// "/http/user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
// "/http/server_latency": 300
// "example.com/myattribute": true
// "example.com/score": 10.239
//
// The OpenTelemetry API specification further restricts the allowed value types:
// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/common/README.md#attribute
// Attribute keys MUST be unique (it is not allowed to have more than one
// attribute with the same key).
Attrs []Attr `json:"attributes,omitempty"`
// dropped_attributes_count is the number of attributes that were discarded. Attributes
// can be discarded because their keys are too long or because there are too many
// attributes. If this value is 0, then no attributes were dropped.
DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
// events is a collection of Event items.
Events []*SpanEvent `json:"events,omitempty"`
// dropped_events_count is the number of dropped events. If the value is 0, then no
// events were dropped.
DroppedEvents uint32 `json:"droppedEventsCount,omitempty"`
// links is a collection of Links, which are references from this span to a span
// in the same or different trace.
Links []*SpanLink `json:"links,omitempty"`
// dropped_links_count is the number of dropped links after the maximum size was
// enforced. If this value is 0, then no links were dropped.
DroppedLinks uint32 `json:"droppedLinksCount,omitempty"`
// An optional final status for this span. Semantically when Status isn't set, it means
// span's status code is unset, i.e. assume STATUS_CODE_UNSET (code = 0).
Status *Status `json:"status,omitempty"`
}
// MarshalJSON encodes s into OTLP formatted JSON.
func (s Span) MarshalJSON() ([]byte, error) {
startT := s.StartTime.UnixNano()
if s.StartTime.IsZero() || startT < 0 {
startT = 0
}
endT := s.EndTime.UnixNano()
if s.EndTime.IsZero() || endT < 0 {
endT = 0
}
// Override non-empty default SpanID marshal and omitempty.
var parentSpanId string
if !s.ParentSpanID.IsEmpty() {
b := make([]byte, hex.EncodedLen(spanIDSize))
hex.Encode(b, s.ParentSpanID[:])
parentSpanId = string(b)
}
type Alias Span
return json.Marshal(struct {
Alias
ParentSpanID string `json:"parentSpanId,omitempty"`
StartTime uint64 `json:"startTimeUnixNano,omitempty"`
EndTime uint64 `json:"endTimeUnixNano,omitempty"`
}{
Alias: Alias(s),
ParentSpanID: parentSpanId,
StartTime: uint64(startT), // nolint:gosec // >0 checked above.
EndTime: uint64(endT), // nolint:gosec // >0 checked above.
})
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into s.
func (s *Span) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid Span type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid Span field: %#v", keyIface)
}
switch key {
case "traceId", "trace_id":
err = decoder.Decode(&s.TraceID)
case "spanId", "span_id":
err = decoder.Decode(&s.SpanID)
case "traceState", "trace_state":
err = decoder.Decode(&s.TraceState)
case "parentSpanId", "parent_span_id":
err = decoder.Decode(&s.ParentSpanID)
case "flags":
err = decoder.Decode(&s.Flags)
case "name":
err = decoder.Decode(&s.Name)
case "kind":
err = decoder.Decode(&s.Kind)
case "startTimeUnixNano", "start_time_unix_nano":
var val protoUint64
err = decoder.Decode(&val)
v := int64(min(val.Uint64(), math.MaxInt64)) // nolint: gosec // Overflow checked.
s.StartTime = time.Unix(0, v)
case "endTimeUnixNano", "end_time_unix_nano":
var val protoUint64
err = decoder.Decode(&val)
v := int64(min(val.Uint64(), math.MaxInt64)) // nolint: gosec // Overflow checked.
s.EndTime = time.Unix(0, v)
case "attributes":
err = decoder.Decode(&s.Attrs)
case "droppedAttributesCount", "dropped_attributes_count":
err = decoder.Decode(&s.DroppedAttrs)
case "events":
err = decoder.Decode(&s.Events)
case "droppedEventsCount", "dropped_events_count":
err = decoder.Decode(&s.DroppedEvents)
case "links":
err = decoder.Decode(&s.Links)
case "droppedLinksCount", "dropped_links_count":
err = decoder.Decode(&s.DroppedLinks)
case "status":
err = decoder.Decode(&s.Status)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}
// SpanFlags represents constants used to interpret the
// Span.flags field, which is protobuf 'fixed32' type and is to
// be used as bit-fields. Each non-zero value defined in this enum is
// a bit-mask. To extract the bit-field, for example, use an
// expression like:
//
// (span.flags & SPAN_FLAGS_TRACE_FLAGS_MASK)
//
// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
//
// Note that Span flags were introduced in version 1.1 of the
// OpenTelemetry protocol. Older Span producers do not set this
// field, consequently consumers should not rely on the absence of a
// particular flag bit to indicate the presence of a particular feature.
type SpanFlags int32
const (
// Bits 0-7 are used for trace flags.
SpanFlagsTraceFlagsMask SpanFlags = 255
// Bits 8 and 9 are used to indicate that the parent span or link span is remote.
// Bit 8 (`HAS_IS_REMOTE`) indicates whether the value is known.
// Bit 9 (`IS_REMOTE`) indicates whether the span or link is remote.
SpanFlagsContextHasIsRemoteMask SpanFlags = 256
// SpanFlagsContextHasIsRemoteMask indicates the Span is remote.
SpanFlagsContextIsRemoteMask SpanFlags = 512
)
// SpanKind is the type of span. Can be used to specify additional relationships between spans
// in addition to a parent/child relationship.
type SpanKind int32
const (
// Indicates that the span represents an internal operation within an application,
// as opposed to an operation happening at the boundaries. Default value.
SpanKindInternal SpanKind = 1
// Indicates that the span covers server-side handling of an RPC or other
// remote network request.
SpanKindServer SpanKind = 2
// Indicates that the span describes a request to some remote service.
SpanKindClient SpanKind = 3
// Indicates that the span describes a producer sending a message to a broker.
// Unlike CLIENT and SERVER, there is often no direct critical path latency relationship
// between producer and consumer spans. A PRODUCER span ends when the message was accepted
// by the broker while the logical processing of the message might span a much longer time.
SpanKindProducer SpanKind = 4
// Indicates that the span describes consumer receiving a message from a broker.
// Like the PRODUCER kind, there is often no direct critical path latency relationship
// between producer and consumer spans.
SpanKindConsumer SpanKind = 5
)
// Event is a time-stamped annotation of the span, consisting of user-supplied
// text description and key-value pairs.
type SpanEvent struct {
// time_unix_nano is the time the event occurred.
Time time.Time `json:"timeUnixNano,omitempty"`
// name of the event.
// This field is semantically required to be set to non-empty string.
Name string `json:"name,omitempty"`
// attributes is a collection of attribute key/value pairs on the event.
// Attribute keys MUST be unique (it is not allowed to have more than one
// attribute with the same key).
Attrs []Attr `json:"attributes,omitempty"`
// dropped_attributes_count is the number of dropped attributes. If the value is 0,
// then no attributes were dropped.
DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
}
// MarshalJSON encodes e into OTLP formatted JSON.
func (e SpanEvent) MarshalJSON() ([]byte, error) {
t := e.Time.UnixNano()
if e.Time.IsZero() || t < 0 {
t = 0
}
type Alias SpanEvent
return json.Marshal(struct {
Alias
Time uint64 `json:"timeUnixNano,omitempty"`
}{
Alias: Alias(e),
Time: uint64(t), // nolint: gosec // >0 checked above
})
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into se.
func (se *SpanEvent) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid SpanEvent type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid SpanEvent field: %#v", keyIface)
}
switch key {
case "timeUnixNano", "time_unix_nano":
var val protoUint64
err = decoder.Decode(&val)
v := int64(min(val.Uint64(), math.MaxInt64)) // nolint: gosec // Overflow checked.
se.Time = time.Unix(0, v)
case "name":
err = decoder.Decode(&se.Name)
case "attributes":
err = decoder.Decode(&se.Attrs)
case "droppedAttributesCount", "dropped_attributes_count":
err = decoder.Decode(&se.DroppedAttrs)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}
// A pointer from the current span to another span in the same trace or in a
// different trace. For example, this can be used in batching operations,
// where a single batch handler processes multiple requests from different
// traces or when the handler receives a request from a different project.
type SpanLink struct {
// A unique identifier of a trace that this linked span is part of. The ID is a
// 16-byte array.
TraceID TraceID `json:"traceId,omitempty"`
// A unique identifier for the linked span. The ID is an 8-byte array.
SpanID SpanID `json:"spanId,omitempty"`
// The trace_state associated with the link.
TraceState string `json:"traceState,omitempty"`
// attributes is a collection of attribute key/value pairs on the link.
// Attribute keys MUST be unique (it is not allowed to have more than one
// attribute with the same key).
Attrs []Attr `json:"attributes,omitempty"`
// dropped_attributes_count is the number of dropped attributes. If the value is 0,
// then no attributes were dropped.
DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
// Flags, a bit field.
//
// Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace
// Context specification. To read the 8-bit W3C trace flag, use
// `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
//
// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
//
// Bits 8 and 9 represent the 3 states of whether the link is remote.
// The states are (unknown, is not remote, is remote).
// To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.
// To read whether the link is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.
//
// Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.
// When creating new spans, bits 10-31 (most-significant 22-bits) MUST be zero.
//
// [Optional].
Flags uint32 `json:"flags,omitempty"`
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into sl.
func (sl *SpanLink) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid SpanLink type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid SpanLink field: %#v", keyIface)
}
switch key {
case "traceId", "trace_id":
err = decoder.Decode(&sl.TraceID)
case "spanId", "span_id":
err = decoder.Decode(&sl.SpanID)
case "traceState", "trace_state":
err = decoder.Decode(&sl.TraceState)
case "attributes":
err = decoder.Decode(&sl.Attrs)
case "droppedAttributesCount", "dropped_attributes_count":
err = decoder.Decode(&sl.DroppedAttrs)
case "flags":
err = decoder.Decode(&sl.Flags)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}

40
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/status.go generated vendored Normal file
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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
// For the semantics of status codes see
// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/api.md#set-status
type StatusCode int32
const (
// The default status.
StatusCodeUnset StatusCode = 0
// The Span has been validated by an Application developer or Operator to
// have completed successfully.
StatusCodeOK StatusCode = 1
// The Span contains an error.
StatusCodeError StatusCode = 2
)
var statusCodeStrings = []string{
"Unset",
"OK",
"Error",
}
func (s StatusCode) String() string {
if s >= 0 && int(s) < len(statusCodeStrings) {
return statusCodeStrings[s]
}
return "<unknown telemetry.StatusCode>"
}
// The Status type defines a logical error model that is suitable for different
// programming environments, including REST APIs and RPC APIs.
type Status struct {
// A developer-facing human readable error message.
Message string `json:"message,omitempty"`
// The status code.
Code StatusCode `json:"code,omitempty"`
}

189
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/traces.go generated vendored Normal file
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@@ -0,0 +1,189 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io"
)
// Traces represents the traces data that can be stored in a persistent storage,
// OR can be embedded by other protocols that transfer OTLP traces data but do
// not implement the OTLP protocol.
//
// The main difference between this message and collector protocol is that
// in this message there will not be any "control" or "metadata" specific to
// OTLP protocol.
//
// When new fields are added into this message, the OTLP request MUST be updated
// as well.
type Traces struct {
// An array of ResourceSpans.
// For data coming from a single resource this array will typically contain
// one element. Intermediary nodes that receive data from multiple origins
// typically batch the data before forwarding further and in that case this
// array will contain multiple elements.
ResourceSpans []*ResourceSpans `json:"resourceSpans,omitempty"`
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into td.
func (td *Traces) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid TracesData type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid TracesData field: %#v", keyIface)
}
switch key {
case "resourceSpans", "resource_spans":
err = decoder.Decode(&td.ResourceSpans)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}
// A collection of ScopeSpans from a Resource.
type ResourceSpans struct {
// The resource for the spans in this message.
// If this field is not set then no resource info is known.
Resource Resource `json:"resource"`
// A list of ScopeSpans that originate from a resource.
ScopeSpans []*ScopeSpans `json:"scopeSpans,omitempty"`
// This schema_url applies to the data in the "resource" field. It does not apply
// to the data in the "scope_spans" field which have their own schema_url field.
SchemaURL string `json:"schemaUrl,omitempty"`
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into rs.
func (rs *ResourceSpans) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid ResourceSpans type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid ResourceSpans field: %#v", keyIface)
}
switch key {
case "resource":
err = decoder.Decode(&rs.Resource)
case "scopeSpans", "scope_spans":
err = decoder.Decode(&rs.ScopeSpans)
case "schemaUrl", "schema_url":
err = decoder.Decode(&rs.SchemaURL)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}
// A collection of Spans produced by an InstrumentationScope.
type ScopeSpans struct {
// The instrumentation scope information for the spans in this message.
// Semantically when InstrumentationScope isn't set, it is equivalent with
// an empty instrumentation scope name (unknown).
Scope *Scope `json:"scope"`
// A list of Spans that originate from an instrumentation scope.
Spans []*Span `json:"spans,omitempty"`
// The Schema URL, if known. This is the identifier of the Schema that the span data
// is recorded in. To learn more about Schema URL see
// https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
// This schema_url applies to all spans and span events in the "spans" field.
SchemaURL string `json:"schemaUrl,omitempty"`
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into ss.
func (ss *ScopeSpans) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid ScopeSpans type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid ScopeSpans field: %#v", keyIface)
}
switch key {
case "scope":
err = decoder.Decode(&ss.Scope)
case "spans":
err = decoder.Decode(&ss.Spans)
case "schemaUrl", "schema_url":
err = decoder.Decode(&ss.SchemaURL)
default:
// Skip unknown.
}
if err != nil {
return err
}
}
return nil
}

453
vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go generated vendored Normal file
View File

@@ -0,0 +1,453 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
import (
"bytes"
"cmp"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"io"
"math"
"slices"
"strconv"
"unsafe"
)
// A Value represents a structured value.
// A zero value is valid and represents an empty value.
type Value struct {
// Ensure forward compatibility by explicitly making this not comparable.
noCmp [0]func() //nolint: unused // This is indeed used.
// num holds the value for Int64, Float64, and Bool. It holds the length
// for String, Bytes, Slice, Map.
num uint64
// any holds either the KindBool, KindInt64, KindFloat64, stringptr,
// bytesptr, sliceptr, or mapptr. If KindBool, KindInt64, or KindFloat64
// then the value of Value is in num as described above. Otherwise, it
// contains the value wrapped in the appropriate type.
any any
}
type (
// sliceptr represents a value in Value.any for KindString Values.
stringptr *byte
// bytesptr represents a value in Value.any for KindBytes Values.
bytesptr *byte
// sliceptr represents a value in Value.any for KindSlice Values.
sliceptr *Value
// mapptr represents a value in Value.any for KindMap Values.
mapptr *Attr
)
// ValueKind is the kind of a [Value].
type ValueKind int
// ValueKind values.
const (
ValueKindEmpty ValueKind = iota
ValueKindBool
ValueKindFloat64
ValueKindInt64
ValueKindString
ValueKindBytes
ValueKindSlice
ValueKindMap
)
var valueKindStrings = []string{
"Empty",
"Bool",
"Float64",
"Int64",
"String",
"Bytes",
"Slice",
"Map",
}
func (k ValueKind) String() string {
if k >= 0 && int(k) < len(valueKindStrings) {
return valueKindStrings[k]
}
return "<unknown telemetry.ValueKind>"
}
// StringValue returns a new [Value] for a string.
func StringValue(v string) Value {
return Value{
num: uint64(len(v)),
any: stringptr(unsafe.StringData(v)),
}
}
// IntValue returns a [Value] for an int.
func IntValue(v int) Value { return Int64Value(int64(v)) }
// Int64Value returns a [Value] for an int64.
func Int64Value(v int64) Value {
return Value{
num: uint64(v), // nolint: gosec // Store raw bytes.
any: ValueKindInt64,
}
}
// Float64Value returns a [Value] for a float64.
func Float64Value(v float64) Value {
return Value{num: math.Float64bits(v), any: ValueKindFloat64}
}
// BoolValue returns a [Value] for a bool.
func BoolValue(v bool) Value { //nolint:revive // Not a control flag.
var n uint64
if v {
n = 1
}
return Value{num: n, any: ValueKindBool}
}
// BytesValue returns a [Value] for a byte slice. The passed slice must not be
// changed after it is passed.
func BytesValue(v []byte) Value {
return Value{
num: uint64(len(v)),
any: bytesptr(unsafe.SliceData(v)),
}
}
// SliceValue returns a [Value] for a slice of [Value]. The passed slice must
// not be changed after it is passed.
func SliceValue(vs ...Value) Value {
return Value{
num: uint64(len(vs)),
any: sliceptr(unsafe.SliceData(vs)),
}
}
// MapValue returns a new [Value] for a slice of key-value pairs. The passed
// slice must not be changed after it is passed.
func MapValue(kvs ...Attr) Value {
return Value{
num: uint64(len(kvs)),
any: mapptr(unsafe.SliceData(kvs)),
}
}
// AsString returns the value held by v as a string.
func (v Value) AsString() string {
if sp, ok := v.any.(stringptr); ok {
return unsafe.String(sp, v.num)
}
// TODO: error handle
return ""
}
// asString returns the value held by v as a string. It will panic if the Value
// is not KindString.
func (v Value) asString() string {
return unsafe.String(v.any.(stringptr), v.num)
}
// AsInt64 returns the value held by v as an int64.
func (v Value) AsInt64() int64 {
if v.Kind() != ValueKindInt64 {
// TODO: error handle
return 0
}
return v.asInt64()
}
// asInt64 returns the value held by v as an int64. If v is not of KindInt64,
// this will return garbage.
func (v Value) asInt64() int64 {
// Assumes v.num was a valid int64 (overflow not checked).
return int64(v.num) // nolint: gosec
}
// AsBool returns the value held by v as a bool.
func (v Value) AsBool() bool {
if v.Kind() != ValueKindBool {
// TODO: error handle
return false
}
return v.asBool()
}
// asBool returns the value held by v as a bool. If v is not of KindBool, this
// will return garbage.
func (v Value) asBool() bool { return v.num == 1 }
// AsFloat64 returns the value held by v as a float64.
func (v Value) AsFloat64() float64 {
if v.Kind() != ValueKindFloat64 {
// TODO: error handle
return 0
}
return v.asFloat64()
}
// asFloat64 returns the value held by v as a float64. If v is not of
// KindFloat64, this will return garbage.
func (v Value) asFloat64() float64 { return math.Float64frombits(v.num) }
// AsBytes returns the value held by v as a []byte.
func (v Value) AsBytes() []byte {
if sp, ok := v.any.(bytesptr); ok {
return unsafe.Slice((*byte)(sp), v.num)
}
// TODO: error handle
return nil
}
// asBytes returns the value held by v as a []byte. It will panic if the Value
// is not KindBytes.
func (v Value) asBytes() []byte {
return unsafe.Slice((*byte)(v.any.(bytesptr)), v.num)
}
// AsSlice returns the value held by v as a []Value.
func (v Value) AsSlice() []Value {
if sp, ok := v.any.(sliceptr); ok {
return unsafe.Slice((*Value)(sp), v.num)
}
// TODO: error handle
return nil
}
// asSlice returns the value held by v as a []Value. It will panic if the Value
// is not KindSlice.
func (v Value) asSlice() []Value {
return unsafe.Slice((*Value)(v.any.(sliceptr)), v.num)
}
// AsMap returns the value held by v as a []Attr.
func (v Value) AsMap() []Attr {
if sp, ok := v.any.(mapptr); ok {
return unsafe.Slice((*Attr)(sp), v.num)
}
// TODO: error handle
return nil
}
// asMap returns the value held by v as a []Attr. It will panic if the
// Value is not KindMap.
func (v Value) asMap() []Attr {
return unsafe.Slice((*Attr)(v.any.(mapptr)), v.num)
}
// Kind returns the Kind of v.
func (v Value) Kind() ValueKind {
switch x := v.any.(type) {
case ValueKind:
return x
case stringptr:
return ValueKindString
case bytesptr:
return ValueKindBytes
case sliceptr:
return ValueKindSlice
case mapptr:
return ValueKindMap
default:
return ValueKindEmpty
}
}
// Empty returns if v does not hold any value.
func (v Value) Empty() bool { return v.Kind() == ValueKindEmpty }
// Equal returns if v is equal to w.
func (v Value) Equal(w Value) bool {
k1 := v.Kind()
k2 := w.Kind()
if k1 != k2 {
return false
}
switch k1 {
case ValueKindInt64, ValueKindBool:
return v.num == w.num
case ValueKindString:
return v.asString() == w.asString()
case ValueKindFloat64:
return v.asFloat64() == w.asFloat64()
case ValueKindSlice:
return slices.EqualFunc(v.asSlice(), w.asSlice(), Value.Equal)
case ValueKindMap:
sv := sortMap(v.asMap())
sw := sortMap(w.asMap())
return slices.EqualFunc(sv, sw, Attr.Equal)
case ValueKindBytes:
return bytes.Equal(v.asBytes(), w.asBytes())
case ValueKindEmpty:
return true
default:
// TODO: error handle
return false
}
}
func sortMap(m []Attr) []Attr {
sm := make([]Attr, len(m))
copy(sm, m)
slices.SortFunc(sm, func(a, b Attr) int {
return cmp.Compare(a.Key, b.Key)
})
return sm
}
// String returns Value's value as a string, formatted like [fmt.Sprint].
//
// The returned string is meant for debugging;
// the string representation is not stable.
func (v Value) String() string {
switch v.Kind() {
case ValueKindString:
return v.asString()
case ValueKindInt64:
// Assumes v.num was a valid int64 (overflow not checked).
return strconv.FormatInt(int64(v.num), 10) // nolint: gosec
case ValueKindFloat64:
return strconv.FormatFloat(v.asFloat64(), 'g', -1, 64)
case ValueKindBool:
return strconv.FormatBool(v.asBool())
case ValueKindBytes:
return fmt.Sprint(v.asBytes())
case ValueKindMap:
return fmt.Sprint(v.asMap())
case ValueKindSlice:
return fmt.Sprint(v.asSlice())
case ValueKindEmpty:
return "<nil>"
default:
// Try to handle this as gracefully as possible.
//
// Don't panic here. The goal here is to have developers find this
// first if a slog.Kind is is not handled. It is
// preferable to have user's open issue asking why their attributes
// have a "unhandled: " prefix than say that their code is panicking.
return fmt.Sprintf("<unhandled telemetry.ValueKind: %s>", v.Kind())
}
}
// MarshalJSON encodes v into OTLP formatted JSON.
func (v *Value) MarshalJSON() ([]byte, error) {
switch v.Kind() {
case ValueKindString:
return json.Marshal(struct {
Value string `json:"stringValue"`
}{v.asString()})
case ValueKindInt64:
return json.Marshal(struct {
Value string `json:"intValue"`
}{strconv.FormatInt(int64(v.num), 10)}) // nolint: gosec // From raw bytes.
case ValueKindFloat64:
return json.Marshal(struct {
Value float64 `json:"doubleValue"`
}{v.asFloat64()})
case ValueKindBool:
return json.Marshal(struct {
Value bool `json:"boolValue"`
}{v.asBool()})
case ValueKindBytes:
return json.Marshal(struct {
Value []byte `json:"bytesValue"`
}{v.asBytes()})
case ValueKindMap:
return json.Marshal(struct {
Value struct {
Values []Attr `json:"values"`
} `json:"kvlistValue"`
}{struct {
Values []Attr `json:"values"`
}{v.asMap()}})
case ValueKindSlice:
return json.Marshal(struct {
Value struct {
Values []Value `json:"values"`
} `json:"arrayValue"`
}{struct {
Values []Value `json:"values"`
}{v.asSlice()}})
case ValueKindEmpty:
return nil, nil
default:
return nil, fmt.Errorf("unknown Value kind: %s", v.Kind().String())
}
}
// UnmarshalJSON decodes the OTLP formatted JSON contained in data into v.
func (v *Value) UnmarshalJSON(data []byte) error {
decoder := json.NewDecoder(bytes.NewReader(data))
t, err := decoder.Token()
if err != nil {
return err
}
if t != json.Delim('{') {
return errors.New("invalid Value type")
}
for decoder.More() {
keyIface, err := decoder.Token()
if err != nil {
if errors.Is(err, io.EOF) {
// Empty.
return nil
}
return err
}
key, ok := keyIface.(string)
if !ok {
return fmt.Errorf("invalid Value key: %#v", keyIface)
}
switch key {
case "stringValue", "string_value":
var val string
err = decoder.Decode(&val)
*v = StringValue(val)
case "boolValue", "bool_value":
var val bool
err = decoder.Decode(&val)
*v = BoolValue(val)
case "intValue", "int_value":
var val protoInt64
err = decoder.Decode(&val)
*v = Int64Value(val.Int64())
case "doubleValue", "double_value":
var val float64
err = decoder.Decode(&val)
*v = Float64Value(val)
case "bytesValue", "bytes_value":
var val64 string
if err := decoder.Decode(&val64); err != nil {
return err
}
var val []byte
val, err = base64.StdEncoding.DecodeString(val64)
*v = BytesValue(val)
case "arrayValue", "array_value":
var val struct{ Values []Value }
err = decoder.Decode(&val)
*v = SliceValue(val.Values...)
case "kvlistValue", "kvlist_value":
var val struct{ Values []Attr }
err = decoder.Decode(&val)
*v = MapValue(val.Values...)
default:
// Skip unknown.
continue
}
// Use first valid. Ignore the rest.
return err
}
// Only unknown fields. Return nil without unmarshaling any value.
return nil
}

20
vendor/go.opentelemetry.io/otel/trace/noop.go generated vendored
View File

@@ -82,4 +82,22 @@ func (noopSpan) AddLink(Link) {}
func (noopSpan) SetName(string) {}
// TracerProvider returns a no-op TracerProvider.
func (noopSpan) TracerProvider() TracerProvider { return noopTracerProvider{} }
func (s noopSpan) TracerProvider() TracerProvider {
return s.tracerProvider(autoInstEnabled)
}
// autoInstEnabled defines if the auto-instrumentation SDK is enabled.
//
// The auto-instrumentation is expected to overwrite this value to true when it
// attaches to the process.
var autoInstEnabled = new(bool)
// tracerProvider return a noopTracerProvider if autoEnabled is false,
// otherwise it will return a TracerProvider from the sdk package used in
// auto-instrumentation.
func (noopSpan) tracerProvider(autoEnabled *bool) TracerProvider {
if *autoEnabled {
return newAutoTracerProvider()
}
return noopTracerProvider{}
}

4
vendor/go.opentelemetry.io/otel/trace/noop/noop.go generated vendored
View File

@@ -67,11 +67,13 @@ func (t Tracer) Start(ctx context.Context, _ string, _ ...trace.SpanStartOption)
span = Span{sc: sc}
} else {
// No parent, return a No-Op span with an empty span context.
span = Span{}
span = noopSpanInstance
}
return trace.ContextWithSpan(ctx, span), span
}
var noopSpanInstance trace.Span = Span{}
// Span is an OpenTelemetry No-Op Span.
type Span struct {
embedded.Span

59
vendor/go.opentelemetry.io/otel/trace/provider.go generated vendored Normal file
View File

@@ -0,0 +1,59 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package trace // import "go.opentelemetry.io/otel/trace"
import "go.opentelemetry.io/otel/trace/embedded"
// TracerProvider provides Tracers that are used by instrumentation code to
// trace computational workflows.
//
// A TracerProvider is the collection destination of all Spans from Tracers it
// provides, it represents a unique telemetry collection pipeline. How that
// pipeline is defined, meaning how those Spans are collected, processed, and
// where they are exported, depends on its implementation. Instrumentation
// authors do not need to define this implementation, rather just use the
// provided Tracers to instrument code.
//
// Commonly, instrumentation code will accept a TracerProvider implementation
// at runtime from its users or it can simply use the globally registered one
// (see https://pkg.go.dev/go.opentelemetry.io/otel#GetTracerProvider).
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type TracerProvider interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.TracerProvider
// Tracer returns a unique Tracer scoped to be used by instrumentation code
// to trace computational workflows. The scope and identity of that
// instrumentation code is uniquely defined by the name and options passed.
//
// The passed name needs to uniquely identify instrumentation code.
// Therefore, it is recommended that name is the Go package name of the
// library providing instrumentation (note: not the code being
// instrumented). Instrumentation libraries can have multiple versions,
// therefore, the WithInstrumentationVersion option should be used to
// distinguish these different codebases. Additionally, instrumentation
// libraries may sometimes use traces to communicate different domains of
// workflow data (i.e. using spans to communicate workflow events only). If
// this is the case, the WithScopeAttributes option should be used to
// uniquely identify Tracers that handle the different domains of workflow
// data.
//
// If the same name and options are passed multiple times, the same Tracer
// will be returned (it is up to the implementation if this will be the
// same underlying instance of that Tracer or not). It is not necessary to
// call this multiple times with the same name and options to get an
// up-to-date Tracer. All implementations will ensure any TracerProvider
// configuration changes are propagated to all provided Tracers.
//
// If name is empty, then an implementation defined default name will be
// used instead.
//
// This method is safe to call concurrently.
Tracer(name string, options ...TracerOption) Tracer
}

177
vendor/go.opentelemetry.io/otel/trace/span.go generated vendored Normal file
View File

@@ -0,0 +1,177 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package trace // import "go.opentelemetry.io/otel/trace"
import (
"context"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace/embedded"
)
// Span is the individual component of a trace. It represents a single named
// and timed operation of a workflow that is traced. A Tracer is used to
// create a Span and it is then up to the operation the Span represents to
// properly end the Span when the operation itself ends.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Span interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.Span
// End completes the Span. The Span is considered complete and ready to be
// delivered through the rest of the telemetry pipeline after this method
// is called. Therefore, updates to the Span are not allowed after this
// method has been called.
End(options ...SpanEndOption)
// AddEvent adds an event with the provided name and options.
AddEvent(name string, options ...EventOption)
// AddLink adds a link.
// Adding links at span creation using WithLinks is preferred to calling AddLink
// later, for contexts that are available during span creation, because head
// sampling decisions can only consider information present during span creation.
AddLink(link Link)
// IsRecording returns the recording state of the Span. It will return
// true if the Span is active and events can be recorded.
IsRecording() bool
// RecordError will record err as an exception span event for this span. An
// additional call to SetStatus is required if the Status of the Span should
// be set to Error, as this method does not change the Span status. If this
// span is not being recorded or err is nil then this method does nothing.
RecordError(err error, options ...EventOption)
// SpanContext returns the SpanContext of the Span. The returned SpanContext
// is usable even after the End method has been called for the Span.
SpanContext() SpanContext
// SetStatus sets the status of the Span in the form of a code and a
// description, provided the status hasn't already been set to a higher
// value before (OK > Error > Unset). The description is only included in a
// status when the code is for an error.
SetStatus(code codes.Code, description string)
// SetName sets the Span name.
SetName(name string)
// SetAttributes sets kv as attributes of the Span. If a key from kv
// already exists for an attribute of the Span it will be overwritten with
// the value contained in kv.
SetAttributes(kv ...attribute.KeyValue)
// TracerProvider returns a TracerProvider that can be used to generate
// additional Spans on the same telemetry pipeline as the current Span.
TracerProvider() TracerProvider
}
// Link is the relationship between two Spans. The relationship can be within
// the same Trace or across different Traces.
//
// For example, a Link is used in the following situations:
//
// 1. Batch Processing: A batch of operations may contain operations
// associated with one or more traces/spans. Since there can only be one
// parent SpanContext, a Link is used to keep reference to the
// SpanContext of all operations in the batch.
// 2. Public Endpoint: A SpanContext for an in incoming client request on a
// public endpoint should be considered untrusted. In such a case, a new
// trace with its own identity and sampling decision needs to be created,
// but this new trace needs to be related to the original trace in some
// form. A Link is used to keep reference to the original SpanContext and
// track the relationship.
type Link struct {
// SpanContext of the linked Span.
SpanContext SpanContext
// Attributes describe the aspects of the link.
Attributes []attribute.KeyValue
}
// LinkFromContext returns a link encapsulating the SpanContext in the provided
// ctx.
func LinkFromContext(ctx context.Context, attrs ...attribute.KeyValue) Link {
return Link{
SpanContext: SpanContextFromContext(ctx),
Attributes: attrs,
}
}
// SpanKind is the role a Span plays in a Trace.
type SpanKind int
// As a convenience, these match the proto definition, see
// https://github.com/open-telemetry/opentelemetry-proto/blob/30d237e1ff3ab7aa50e0922b5bebdd93505090af/opentelemetry/proto/trace/v1/trace.proto#L101-L129
//
// The unspecified value is not a valid `SpanKind`. Use `ValidateSpanKind()`
// to coerce a span kind to a valid value.
const (
// SpanKindUnspecified is an unspecified SpanKind and is not a valid
// SpanKind. SpanKindUnspecified should be replaced with SpanKindInternal
// if it is received.
SpanKindUnspecified SpanKind = 0
// SpanKindInternal is a SpanKind for a Span that represents an internal
// operation within an application.
SpanKindInternal SpanKind = 1
// SpanKindServer is a SpanKind for a Span that represents the operation
// of handling a request from a client.
SpanKindServer SpanKind = 2
// SpanKindClient is a SpanKind for a Span that represents the operation
// of client making a request to a server.
SpanKindClient SpanKind = 3
// SpanKindProducer is a SpanKind for a Span that represents the operation
// of a producer sending a message to a message broker. Unlike
// SpanKindClient and SpanKindServer, there is often no direct
// relationship between this kind of Span and a SpanKindConsumer kind. A
// SpanKindProducer Span will end once the message is accepted by the
// message broker which might not overlap with the processing of that
// message.
SpanKindProducer SpanKind = 4
// SpanKindConsumer is a SpanKind for a Span that represents the operation
// of a consumer receiving a message from a message broker. Like
// SpanKindProducer Spans, there is often no direct relationship between
// this Span and the Span that produced the message.
SpanKindConsumer SpanKind = 5
)
// ValidateSpanKind returns a valid span kind value. This will coerce
// invalid values into the default value, SpanKindInternal.
func ValidateSpanKind(spanKind SpanKind) SpanKind {
switch spanKind {
case SpanKindInternal,
SpanKindServer,
SpanKindClient,
SpanKindProducer,
SpanKindConsumer:
// valid
return spanKind
default:
return SpanKindInternal
}
}
// String returns the specified name of the SpanKind in lower-case.
func (sk SpanKind) String() string {
switch sk {
case SpanKindInternal:
return "internal"
case SpanKindServer:
return "server"
case SpanKindClient:
return "client"
case SpanKindProducer:
return "producer"
case SpanKindConsumer:
return "consumer"
default:
return "unspecified"
}
}

249
vendor/go.opentelemetry.io/otel/trace/trace.go generated vendored
View File

@@ -5,13 +5,8 @@ package trace // import "go.opentelemetry.io/otel/trace"
import (
"bytes"
"context"
"encoding/hex"
"encoding/json"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/trace/embedded"
)
const (
@@ -326,247 +321,3 @@ func (sc SpanContext) MarshalJSON() ([]byte, error) {
Remote: sc.remote,
})
}
// Span is the individual component of a trace. It represents a single named
// and timed operation of a workflow that is traced. A Tracer is used to
// create a Span and it is then up to the operation the Span represents to
// properly end the Span when the operation itself ends.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Span interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.Span
// End completes the Span. The Span is considered complete and ready to be
// delivered through the rest of the telemetry pipeline after this method
// is called. Therefore, updates to the Span are not allowed after this
// method has been called.
End(options ...SpanEndOption)
// AddEvent adds an event with the provided name and options.
AddEvent(name string, options ...EventOption)
// AddLink adds a link.
// Adding links at span creation using WithLinks is preferred to calling AddLink
// later, for contexts that are available during span creation, because head
// sampling decisions can only consider information present during span creation.
AddLink(link Link)
// IsRecording returns the recording state of the Span. It will return
// true if the Span is active and events can be recorded.
IsRecording() bool
// RecordError will record err as an exception span event for this span. An
// additional call to SetStatus is required if the Status of the Span should
// be set to Error, as this method does not change the Span status. If this
// span is not being recorded or err is nil then this method does nothing.
RecordError(err error, options ...EventOption)
// SpanContext returns the SpanContext of the Span. The returned SpanContext
// is usable even after the End method has been called for the Span.
SpanContext() SpanContext
// SetStatus sets the status of the Span in the form of a code and a
// description, provided the status hasn't already been set to a higher
// value before (OK > Error > Unset). The description is only included in a
// status when the code is for an error.
SetStatus(code codes.Code, description string)
// SetName sets the Span name.
SetName(name string)
// SetAttributes sets kv as attributes of the Span. If a key from kv
// already exists for an attribute of the Span it will be overwritten with
// the value contained in kv.
SetAttributes(kv ...attribute.KeyValue)
// TracerProvider returns a TracerProvider that can be used to generate
// additional Spans on the same telemetry pipeline as the current Span.
TracerProvider() TracerProvider
}
// Link is the relationship between two Spans. The relationship can be within
// the same Trace or across different Traces.
//
// For example, a Link is used in the following situations:
//
// 1. Batch Processing: A batch of operations may contain operations
// associated with one or more traces/spans. Since there can only be one
// parent SpanContext, a Link is used to keep reference to the
// SpanContext of all operations in the batch.
// 2. Public Endpoint: A SpanContext for an in incoming client request on a
// public endpoint should be considered untrusted. In such a case, a new
// trace with its own identity and sampling decision needs to be created,
// but this new trace needs to be related to the original trace in some
// form. A Link is used to keep reference to the original SpanContext and
// track the relationship.
type Link struct {
// SpanContext of the linked Span.
SpanContext SpanContext
// Attributes describe the aspects of the link.
Attributes []attribute.KeyValue
}
// LinkFromContext returns a link encapsulating the SpanContext in the provided ctx.
func LinkFromContext(ctx context.Context, attrs ...attribute.KeyValue) Link {
return Link{
SpanContext: SpanContextFromContext(ctx),
Attributes: attrs,
}
}
// SpanKind is the role a Span plays in a Trace.
type SpanKind int
// As a convenience, these match the proto definition, see
// https://github.com/open-telemetry/opentelemetry-proto/blob/30d237e1ff3ab7aa50e0922b5bebdd93505090af/opentelemetry/proto/trace/v1/trace.proto#L101-L129
//
// The unspecified value is not a valid `SpanKind`. Use `ValidateSpanKind()`
// to coerce a span kind to a valid value.
const (
// SpanKindUnspecified is an unspecified SpanKind and is not a valid
// SpanKind. SpanKindUnspecified should be replaced with SpanKindInternal
// if it is received.
SpanKindUnspecified SpanKind = 0
// SpanKindInternal is a SpanKind for a Span that represents an internal
// operation within an application.
SpanKindInternal SpanKind = 1
// SpanKindServer is a SpanKind for a Span that represents the operation
// of handling a request from a client.
SpanKindServer SpanKind = 2
// SpanKindClient is a SpanKind for a Span that represents the operation
// of client making a request to a server.
SpanKindClient SpanKind = 3
// SpanKindProducer is a SpanKind for a Span that represents the operation
// of a producer sending a message to a message broker. Unlike
// SpanKindClient and SpanKindServer, there is often no direct
// relationship between this kind of Span and a SpanKindConsumer kind. A
// SpanKindProducer Span will end once the message is accepted by the
// message broker which might not overlap with the processing of that
// message.
SpanKindProducer SpanKind = 4
// SpanKindConsumer is a SpanKind for a Span that represents the operation
// of a consumer receiving a message from a message broker. Like
// SpanKindProducer Spans, there is often no direct relationship between
// this Span and the Span that produced the message.
SpanKindConsumer SpanKind = 5
)
// ValidateSpanKind returns a valid span kind value. This will coerce
// invalid values into the default value, SpanKindInternal.
func ValidateSpanKind(spanKind SpanKind) SpanKind {
switch spanKind {
case SpanKindInternal,
SpanKindServer,
SpanKindClient,
SpanKindProducer,
SpanKindConsumer:
// valid
return spanKind
default:
return SpanKindInternal
}
}
// String returns the specified name of the SpanKind in lower-case.
func (sk SpanKind) String() string {
switch sk {
case SpanKindInternal:
return "internal"
case SpanKindServer:
return "server"
case SpanKindClient:
return "client"
case SpanKindProducer:
return "producer"
case SpanKindConsumer:
return "consumer"
default:
return "unspecified"
}
}
// Tracer is the creator of Spans.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Tracer interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.Tracer
// Start creates a span and a context.Context containing the newly-created span.
//
// If the context.Context provided in `ctx` contains a Span then the newly-created
// Span will be a child of that span, otherwise it will be a root span. This behavior
// can be overridden by providing `WithNewRoot()` as a SpanOption, causing the
// newly-created Span to be a root span even if `ctx` contains a Span.
//
// When creating a Span it is recommended to provide all known span attributes using
// the `WithAttributes()` SpanOption as samplers will only have access to the
// attributes provided when a Span is created.
//
// Any Span that is created MUST also be ended. This is the responsibility of the user.
// Implementations of this API may leak memory or other resources if Spans are not ended.
Start(ctx context.Context, spanName string, opts ...SpanStartOption) (context.Context, Span)
}
// TracerProvider provides Tracers that are used by instrumentation code to
// trace computational workflows.
//
// A TracerProvider is the collection destination of all Spans from Tracers it
// provides, it represents a unique telemetry collection pipeline. How that
// pipeline is defined, meaning how those Spans are collected, processed, and
// where they are exported, depends on its implementation. Instrumentation
// authors do not need to define this implementation, rather just use the
// provided Tracers to instrument code.
//
// Commonly, instrumentation code will accept a TracerProvider implementation
// at runtime from its users or it can simply use the globally registered one
// (see https://pkg.go.dev/go.opentelemetry.io/otel#GetTracerProvider).
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type TracerProvider interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.TracerProvider
// Tracer returns a unique Tracer scoped to be used by instrumentation code
// to trace computational workflows. The scope and identity of that
// instrumentation code is uniquely defined by the name and options passed.
//
// The passed name needs to uniquely identify instrumentation code.
// Therefore, it is recommended that name is the Go package name of the
// library providing instrumentation (note: not the code being
// instrumented). Instrumentation libraries can have multiple versions,
// therefore, the WithInstrumentationVersion option should be used to
// distinguish these different codebases. Additionally, instrumentation
// libraries may sometimes use traces to communicate different domains of
// workflow data (i.e. using spans to communicate workflow events only). If
// this is the case, the WithScopeAttributes option should be used to
// uniquely identify Tracers that handle the different domains of workflow
// data.
//
// If the same name and options are passed multiple times, the same Tracer
// will be returned (it is up to the implementation if this will be the
// same underlying instance of that Tracer or not). It is not necessary to
// call this multiple times with the same name and options to get an
// up-to-date Tracer. All implementations will ensure any TracerProvider
// configuration changes are propagated to all provided Tracers.
//
// If name is empty, then an implementation defined default name will be
// used instead.
//
// This method is safe to call concurrently.
Tracer(name string, options ...TracerOption) Tracer
}

37
vendor/go.opentelemetry.io/otel/trace/tracer.go generated vendored Normal file
View File

@@ -0,0 +1,37 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package trace // import "go.opentelemetry.io/otel/trace"
import (
"context"
"go.opentelemetry.io/otel/trace/embedded"
)
// Tracer is the creator of Spans.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Tracer interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.Tracer
// Start creates a span and a context.Context containing the newly-created span.
//
// If the context.Context provided in `ctx` contains a Span then the newly-created
// Span will be a child of that span, otherwise it will be a root span. This behavior
// can be overridden by providing `WithNewRoot()` as a SpanOption, causing the
// newly-created Span to be a root span even if `ctx` contains a Span.
//
// When creating a Span it is recommended to provide all known span attributes using
// the `WithAttributes()` SpanOption as samplers will only have access to the
// attributes provided when a Span is created.
//
// Any Span that is created MUST also be ended. This is the responsibility of the user.
// Implementations of this API may leak memory or other resources if Spans are not ended.
Start(ctx context.Context, spanName string, opts ...SpanStartOption) (context.Context, Span)
}

10
vendor/go.opentelemetry.io/otel/trace/tracestate.go generated vendored
View File

@@ -260,6 +260,16 @@ func (ts TraceState) Get(key string) string {
return ""
}
// Walk walks all key value pairs in the TraceState by calling f
// Iteration stops if f returns false.
func (ts TraceState) Walk(f func(key, value string) bool) {
for _, m := range ts.list {
if !f(m.Key, m.Value) {
break
}
}
}
// Insert adds a new list-member defined by the key/value pair to the
// TraceState. If a list-member already exists for the given key, that
// list-member's value is updated. The new or updated list-member is always