chore: bump deps

vendor/go.opentelemetry.io/otel/sdk/internal/env/env.go

@@ -1,6 +1,8 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+// Package env provides types and functionality for environment variable support
+// in the OpenTelemetry SDK.
 package env // import "go.opentelemetry.io/otel/sdk/internal/env"
 
 import (

vendor/go.opentelemetry.io/otel/sdk/metric/exemplar.go

@@ -18,7 +18,10 @@ type ExemplarReservoirProviderSelector func(Aggregation) exemplar.ReservoirProvi
 
 // reservoirFunc returns the appropriately configured exemplar reservoir
 // creation func based on the passed InstrumentKind and filter configuration.
-func reservoirFunc[N int64 | float64](provider exemplar.ReservoirProvider, filter exemplar.Filter) func(attribute.Set) aggregate.FilteredExemplarReservoir[N] {
+func reservoirFunc[N int64 | float64](
+	provider exemplar.ReservoirProvider,
+	filter exemplar.Filter,
+) func(attribute.Set) aggregate.FilteredExemplarReservoir[N] {
 	return func(attrs attribute.Set) aggregate.FilteredExemplarReservoir[N] {
 		return aggregate.NewFilteredExemplarReservoir[N](filter, provider(attrs))
 	}

vendor/go.opentelemetry.io/otel/sdk/metric/exemplar/fixed_size_reservoir.go

@@ -6,7 +6,7 @@ package exemplar // import "go.opentelemetry.io/otel/sdk/metric/exemplar"
 import (
 	"context"
 	"math"
-	"math/rand"
+	"math/rand/v2"
 	"time"
 
 	"go.opentelemetry.io/otel/attribute"
@@ -44,18 +44,11 @@ type FixedSizeReservoir struct {
 	// w is the largest random number in a distribution that is used to compute
 	// the next next.
 	w float64
-
-	// rng is used to make sampling decisions.
-	//
-	// Do not use crypto/rand. There is no reason for the decrease in performance
-	// given this is not a security sensitive decision.
-	rng *rand.Rand
 }
 
 func newFixedSizeReservoir(s *storage) *FixedSizeReservoir {
 	r := &FixedSizeReservoir{
 		storage: s,
-		rng:     rand.New(rand.NewSource(time.Now().UnixNano())),
 	}
 	r.reset()
 	return r
@@ -64,26 +57,15 @@ func newFixedSizeReservoir(s *storage) *FixedSizeReservoir {
 // randomFloat64 returns, as a float64, a uniform pseudo-random number in the
 // open interval (0.0,1.0).
 func (r *FixedSizeReservoir) randomFloat64() float64 {
-	// TODO: This does not return a uniform number. rng.Float64 returns a
-	// uniformly random int in [0,2^53) that is divided by 2^53. Meaning it
-	// returns multiples of 2^-53, and not all floating point numbers between 0
-	// and 1 (i.e. for values less than 2^-4 the 4 last bits of the significand
-	// are always going to be 0).
+	// TODO: Use an algorithm that avoids rejection sampling. For example:
 	//
-	// An alternative algorithm should be considered that will actually return
-	// a uniform number in the interval (0,1). For example, since the default
-	// rand source provides a uniform distribution for Int63, this can be
-	// converted following the prototypical code of Mersenne Twister 64 (Takuji
-	// Nishimura and Makoto Matsumoto:
-	// http://www.math.sci.hiroshima-u.ac.jp/m-mat/MT/VERSIONS/C-LANG/mt19937-64.c)
-	//
-	//   (float64(rng.Int63()>>11) + 0.5) * (1.0 / 4503599627370496.0)
-	//
-	// There are likely many other methods to explore here as well.
-
-	f := r.rng.Float64()
+	//   const precision = 1 << 53 // 2^53
+	//   // Generate an integer in [1, 2^53 - 1]
+	//   v := rand.Uint64() % (precision - 1) + 1
+	//   return float64(v) / float64(precision)
+	f := rand.Float64()
 	for f == 0 {
-		f = r.rng.Float64()
+		f = rand.Float64()
 	}
 	return f
 }
@@ -146,7 +128,7 @@ func (r *FixedSizeReservoir) Offer(ctx context.Context, t time.Time, n Value, a
 	} else {
 		if r.count == r.next {
 			// Overwrite a random existing measurement with the one offered.
-			idx := int(r.rng.Int63n(int64(cap(r.store))))
+			idx := int(rand.Int64N(int64(cap(r.store))))
 			r.store[idx] = newMeasurement(ctx, t, n, a)
 			r.advance()
 		}

vendor/go.opentelemetry.io/otel/sdk/metric/instrument.go

@@ -28,7 +28,7 @@ type InstrumentKind uint8
 const (
 	// instrumentKindUndefined is an undefined instrument kind, it should not
 	// be used by any initialized type.
-	instrumentKindUndefined InstrumentKind = 0 // nolint:deadcode,varcheck,unused
+	instrumentKindUndefined InstrumentKind = 0 // nolint:unused
 	// InstrumentKindCounter identifies a group of instruments that record
 	// increasing values synchronously with the code path they are measuring.
 	InstrumentKindCounter InstrumentKind = 1
@@ -208,7 +208,11 @@ func (i *int64Inst) Enabled(_ context.Context) bool {
 	return len(i.measures) != 0
 }
 
-func (i *int64Inst) aggregate(ctx context.Context, val int64, s attribute.Set) { // nolint:revive  // okay to shadow pkg with method.
+func (i *int64Inst) aggregate(
+	ctx context.Context,
+	val int64,
+	s attribute.Set,
+) { // nolint:revive  // okay to shadow pkg with method.
 	for _, in := range i.measures {
 		in(ctx, val, s)
 	}

vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/aggregate.go

@@ -121,7 +121,10 @@ func (b Builder[N]) Sum(monotonic bool) (Measure[N], ComputeAggregation) {
 
 // ExplicitBucketHistogram returns a histogram aggregate function input and
 // output.
-func (b Builder[N]) ExplicitBucketHistogram(boundaries []float64, noMinMax, noSum bool) (Measure[N], ComputeAggregation) {
+func (b Builder[N]) ExplicitBucketHistogram(
+	boundaries []float64,
+	noMinMax, noSum bool,
+) (Measure[N], ComputeAggregation) {
 	h := newHistogram[N](boundaries, noMinMax, noSum, b.AggregationLimit, b.resFunc())
 	switch b.Temporality {
 	case metricdata.DeltaTemporality:
@@ -133,7 +136,10 @@ func (b Builder[N]) ExplicitBucketHistogram(boundaries []float64, noMinMax, noSu
 
 // ExponentialBucketHistogram returns a histogram aggregate function input and
 // output.
-func (b Builder[N]) ExponentialBucketHistogram(maxSize, maxScale int32, noMinMax, noSum bool) (Measure[N], ComputeAggregation) {
+func (b Builder[N]) ExponentialBucketHistogram(
+	maxSize, maxScale int32,
+	noMinMax, noSum bool,
+) (Measure[N], ComputeAggregation) {
 	h := newExponentialHistogram[N](maxSize, maxScale, noMinMax, noSum, b.AggregationLimit, b.resFunc())
 	switch b.Temporality {
 	case metricdata.DeltaTemporality:

vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/exponential_histogram.go

@@ -48,7 +48,12 @@ type expoHistogramDataPoint[N int64 | float64] struct {
 	zeroCount  uint64
 }
 
-func newExpoHistogramDataPoint[N int64 | float64](attrs attribute.Set, maxSize int, maxScale int32, noMinMax, noSum bool) *expoHistogramDataPoint[N] { // nolint:revive // we need this control flag
+func newExpoHistogramDataPoint[N int64 | float64](
+	attrs attribute.Set,
+	maxSize int,
+	maxScale int32,
+	noMinMax, noSum bool,
+) *expoHistogramDataPoint[N] { // nolint:revive // we need this control flag
 	f := math.MaxFloat64
 	ma := N(f) // if N is int64, max will overflow to -9223372036854775808
 	mi := N(-f)
@@ -283,7 +288,12 @@ func (b *expoBuckets) downscale(delta int32) {
 // newExponentialHistogram returns an Aggregator that summarizes a set of
 // measurements as an exponential histogram. Each histogram is scoped by attributes
 // and the aggregation cycle the measurements were made in.
-func newExponentialHistogram[N int64 | float64](maxSize, maxScale int32, noMinMax, noSum bool, limit int, r func(attribute.Set) FilteredExemplarReservoir[N]) *expoHistogram[N] {
+func newExponentialHistogram[N int64 | float64](
+	maxSize, maxScale int32,
+	noMinMax, noSum bool,
+	limit int,
+	r func(attribute.Set) FilteredExemplarReservoir[N],
+) *expoHistogram[N] {
 	return &expoHistogram[N]{
 		noSum:    noSum,
 		noMinMax: noMinMax,
@@ -314,7 +324,12 @@ type expoHistogram[N int64 | float64] struct {
 	start time.Time
 }
 
-func (e *expoHistogram[N]) measure(ctx context.Context, value N, fltrAttr attribute.Set, droppedAttr []attribute.KeyValue) {
+func (e *expoHistogram[N]) measure(
+	ctx context.Context,
+	value N,
+	fltrAttr attribute.Set,
+	droppedAttr []attribute.KeyValue,
+) {
 	// Ignore NaN and infinity.
 	if math.IsInf(float64(value), 0) || math.IsNaN(float64(value)) {
 		return
@@ -360,11 +375,19 @@ func (e *expoHistogram[N]) delta(dest *metricdata.Aggregation) int {
 		hDPts[i].ZeroThreshold = 0.0
 
 		hDPts[i].PositiveBucket.Offset = val.posBuckets.startBin
-		hDPts[i].PositiveBucket.Counts = reset(hDPts[i].PositiveBucket.Counts, len(val.posBuckets.counts), len(val.posBuckets.counts))
+		hDPts[i].PositiveBucket.Counts = reset(
+			hDPts[i].PositiveBucket.Counts,
+			len(val.posBuckets.counts),
+			len(val.posBuckets.counts),
+		)
 		copy(hDPts[i].PositiveBucket.Counts, val.posBuckets.counts)
 
 		hDPts[i].NegativeBucket.Offset = val.negBuckets.startBin
-		hDPts[i].NegativeBucket.Counts = reset(hDPts[i].NegativeBucket.Counts, len(val.negBuckets.counts), len(val.negBuckets.counts))
+		hDPts[i].NegativeBucket.Counts = reset(
+			hDPts[i].NegativeBucket.Counts,
+			len(val.negBuckets.counts),
+			len(val.negBuckets.counts),
+		)
 		copy(hDPts[i].NegativeBucket.Counts, val.negBuckets.counts)
 
 		if !e.noSum {
@@ -413,11 +436,19 @@ func (e *expoHistogram[N]) cumulative(dest *metricdata.Aggregation) int {
 		hDPts[i].ZeroThreshold = 0.0
 
 		hDPts[i].PositiveBucket.Offset = val.posBuckets.startBin
-		hDPts[i].PositiveBucket.Counts = reset(hDPts[i].PositiveBucket.Counts, len(val.posBuckets.counts), len(val.posBuckets.counts))
+		hDPts[i].PositiveBucket.Counts = reset(
+			hDPts[i].PositiveBucket.Counts,
+			len(val.posBuckets.counts),
+			len(val.posBuckets.counts),
+		)
 		copy(hDPts[i].PositiveBucket.Counts, val.posBuckets.counts)
 
 		hDPts[i].NegativeBucket.Offset = val.negBuckets.startBin
-		hDPts[i].NegativeBucket.Counts = reset(hDPts[i].NegativeBucket.Counts, len(val.negBuckets.counts), len(val.negBuckets.counts))
+		hDPts[i].NegativeBucket.Counts = reset(
+			hDPts[i].NegativeBucket.Counts,
+			len(val.negBuckets.counts),
+			len(val.negBuckets.counts),
+		)
 		copy(hDPts[i].NegativeBucket.Counts, val.negBuckets.counts)
 
 		if !e.noSum {

vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/filtered_reservoir.go

@@ -33,7 +33,10 @@ type filteredExemplarReservoir[N int64 | float64] struct {
 
 // NewFilteredExemplarReservoir creates a [FilteredExemplarReservoir] which only offers values
 // that are allowed by the filter.
-func NewFilteredExemplarReservoir[N int64 | float64](f exemplar.Filter, r exemplar.Reservoir) FilteredExemplarReservoir[N] {
+func NewFilteredExemplarReservoir[N int64 | float64](
+	f exemplar.Filter,
+	r exemplar.Reservoir,
+) FilteredExemplarReservoir[N] {
 	return &filteredExemplarReservoir[N]{
 		filter:    f,
 		reservoir: r,

vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/histogram.go

@@ -53,7 +53,12 @@ type histValues[N int64 | float64] struct {
 	valuesMu sync.Mutex
 }
 
-func newHistValues[N int64 | float64](bounds []float64, noSum bool, limit int, r func(attribute.Set) FilteredExemplarReservoir[N]) *histValues[N] {
+func newHistValues[N int64 | float64](
+	bounds []float64,
+	noSum bool,
+	limit int,
+	r func(attribute.Set) FilteredExemplarReservoir[N],
+) *histValues[N] {
 	// The responsibility of keeping all buckets correctly associated with the
 	// passed boundaries is ultimately this type's responsibility. Make a copy
 	// here so we can always guarantee this. Or, in the case of failure, have
@@ -71,7 +76,12 @@ func newHistValues[N int64 | float64](bounds []float64, noSum bool, limit int, r
 
 // Aggregate records the measurement value, scoped by attr, and aggregates it
 // into a histogram.
-func (s *histValues[N]) measure(ctx context.Context, value N, fltrAttr attribute.Set, droppedAttr []attribute.KeyValue) {
+func (s *histValues[N]) measure(
+	ctx context.Context,
+	value N,
+	fltrAttr attribute.Set,
+	droppedAttr []attribute.KeyValue,
+) {
 	// This search will return an index in the range [0, len(s.bounds)], where
 	// it will return len(s.bounds) if value is greater than the last element
 	// of s.bounds. This aligns with the buckets in that the length of buckets
@@ -108,7 +118,12 @@ func (s *histValues[N]) measure(ctx context.Context, value N, fltrAttr attribute
 
 // newHistogram returns an Aggregator that summarizes a set of measurements as
 // an histogram.
-func newHistogram[N int64 | float64](boundaries []float64, noMinMax, noSum bool, limit int, r func(attribute.Set) FilteredExemplarReservoir[N]) *histogram[N] {
+func newHistogram[N int64 | float64](
+	boundaries []float64,
+	noMinMax, noSum bool,
+	limit int,
+	r func(attribute.Set) FilteredExemplarReservoir[N],
+) *histogram[N] {
 	return &histogram[N]{
 		histValues: newHistValues[N](boundaries, noSum, limit, r),
 		noMinMax:   noMinMax,

vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/lastvalue.go

@@ -114,7 +114,10 @@ func (s *lastValue[N]) copyDpts(dest *[]metricdata.DataPoint[N], t time.Time) in
 
 // newPrecomputedLastValue returns an aggregator that summarizes a set of
 // observations as the last one made.
-func newPrecomputedLastValue[N int64 | float64](limit int, r func(attribute.Set) FilteredExemplarReservoir[N]) *precomputedLastValue[N] {
+func newPrecomputedLastValue[N int64 | float64](
+	limit int,
+	r func(attribute.Set) FilteredExemplarReservoir[N],
+) *precomputedLastValue[N] {
 	return &precomputedLastValue[N]{lastValue: newLastValue[N](limit, r)}
 }
 

vendor/go.opentelemetry.io/otel/sdk/metric/internal/aggregate/sum.go

@@ -143,7 +143,11 @@ func (s *sum[N]) cumulative(dest *metricdata.Aggregation) int {
 // newPrecomputedSum returns an aggregator that summarizes a set of
 // observations as their arithmetic sum. Each sum is scoped by attributes and
 // the aggregation cycle the measurements were made in.
-func newPrecomputedSum[N int64 | float64](monotonic bool, limit int, r func(attribute.Set) FilteredExemplarReservoir[N]) *precomputedSum[N] {
+func newPrecomputedSum[N int64 | float64](
+	monotonic bool,
+	limit int,
+	r func(attribute.Set) FilteredExemplarReservoir[N],
+) *precomputedSum[N] {
 	return &precomputedSum[N]{
 		valueMap:  newValueMap[N](limit, r),
 		monotonic: monotonic,

vendor/go.opentelemetry.io/otel/sdk/metric/internal/reuse_slice.go

@@ -1,6 +1,7 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+// Package internal provides internal functionality for the metric package.
 package internal // import "go.opentelemetry.io/otel/sdk/metric/internal"
 
 // ReuseSlice returns a zeroed view of slice if its capacity is greater than or

vendor/go.opentelemetry.io/otel/sdk/metric/manual_reader.go

@@ -58,7 +58,9 @@ func (mr *ManualReader) temporality(kind InstrumentKind) metricdata.Temporality
 }
 
 // aggregation returns what Aggregation to use for kind.
-func (mr *ManualReader) aggregation(kind InstrumentKind) Aggregation { // nolint:revive  // import-shadow for method scoped by type.
+func (mr *ManualReader) aggregation(
+	kind InstrumentKind,
+) Aggregation { // nolint:revive  // import-shadow for method scoped by type.
 	return mr.aggregationSelector(kind)
 }
 

vendor/go.opentelemetry.io/otel/sdk/metric/meter.go

@@ -82,7 +82,10 @@ func (m *meter) Int64Counter(name string, options ...metric.Int64CounterOption)
 // Int64UpDownCounter returns a new instrument identified by name and
 // configured with options. The instrument is used to synchronously record
 // int64 measurements during a computational operation.
-func (m *meter) Int64UpDownCounter(name string, options ...metric.Int64UpDownCounterOption) (metric.Int64UpDownCounter, error) {
+func (m *meter) Int64UpDownCounter(
+	name string,
+	options ...metric.Int64UpDownCounterOption,
+) (metric.Int64UpDownCounter, error) {
 	cfg := metric.NewInt64UpDownCounterConfig(options...)
 	const kind = InstrumentKindUpDownCounter
 	p := int64InstProvider{m}
@@ -174,7 +177,10 @@ func (m *meter) int64ObservableInstrument(id Instrument, callbacks []metric.Int6
 // Description, and Unit, only the first set of callbacks provided are used.
 // Use meter.RegisterCallback and Registration.Unregister to manage callbacks
 // if instrumentation can be created multiple times with different callbacks.
-func (m *meter) Int64ObservableCounter(name string, options ...metric.Int64ObservableCounterOption) (metric.Int64ObservableCounter, error) {
+func (m *meter) Int64ObservableCounter(
+	name string,
+	options ...metric.Int64ObservableCounterOption,
+) (metric.Int64ObservableCounter, error) {
 	cfg := metric.NewInt64ObservableCounterConfig(options...)
 	id := Instrument{
 		Name:        name,
@@ -195,7 +201,10 @@ func (m *meter) Int64ObservableCounter(name string, options ...metric.Int64Obser
 // Description, and Unit, only the first set of callbacks provided are used.
 // Use meter.RegisterCallback and Registration.Unregister to manage callbacks
 // if instrumentation can be created multiple times with different callbacks.
-func (m *meter) Int64ObservableUpDownCounter(name string, options ...metric.Int64ObservableUpDownCounterOption) (metric.Int64ObservableUpDownCounter, error) {
+func (m *meter) Int64ObservableUpDownCounter(
+	name string,
+	options ...metric.Int64ObservableUpDownCounterOption,
+) (metric.Int64ObservableUpDownCounter, error) {
 	cfg := metric.NewInt64ObservableUpDownCounterConfig(options...)
 	id := Instrument{
 		Name:        name,
@@ -216,7 +225,10 @@ func (m *meter) Int64ObservableUpDownCounter(name string, options ...metric.Int6
 // Description, and Unit, only the first set of callbacks provided are used.
 // Use meter.RegisterCallback and Registration.Unregister to manage callbacks
 // if instrumentation can be created multiple times with different callbacks.
-func (m *meter) Int64ObservableGauge(name string, options ...metric.Int64ObservableGaugeOption) (metric.Int64ObservableGauge, error) {
+func (m *meter) Int64ObservableGauge(
+	name string,
+	options ...metric.Int64ObservableGaugeOption,
+) (metric.Int64ObservableGauge, error) {
 	cfg := metric.NewInt64ObservableGaugeConfig(options...)
 	id := Instrument{
 		Name:        name,
@@ -246,7 +258,10 @@ func (m *meter) Float64Counter(name string, options ...metric.Float64CounterOpti
 // Float64UpDownCounter returns a new instrument identified by name and
 // configured with options. The instrument is used to synchronously record
 // float64 measurements during a computational operation.
-func (m *meter) Float64UpDownCounter(name string, options ...metric.Float64UpDownCounterOption) (metric.Float64UpDownCounter, error) {
+func (m *meter) Float64UpDownCounter(
+	name string,
+	options ...metric.Float64UpDownCounterOption,
+) (metric.Float64UpDownCounter, error) {
 	cfg := metric.NewFloat64UpDownCounterConfig(options...)
 	const kind = InstrumentKindUpDownCounter
 	p := float64InstProvider{m}
@@ -261,7 +276,10 @@ func (m *meter) Float64UpDownCounter(name string, options ...metric.Float64UpDow
 // Float64Histogram returns a new instrument identified by name and configured
 // with options. The instrument is used to synchronously record the
 // distribution of float64 measurements during a computational operation.
-func (m *meter) Float64Histogram(name string, options ...metric.Float64HistogramOption) (metric.Float64Histogram, error) {
+func (m *meter) Float64Histogram(
+	name string,
+	options ...metric.Float64HistogramOption,
+) (metric.Float64Histogram, error) {
 	cfg := metric.NewFloat64HistogramConfig(options...)
 	p := float64InstProvider{m}
 	i, err := p.lookupHistogram(name, cfg)
@@ -289,7 +307,10 @@ func (m *meter) Float64Gauge(name string, options ...metric.Float64GaugeOption)
 
 // float64ObservableInstrument returns a new observable identified by the Instrument.
 // It registers callbacks for each reader's pipeline.
-func (m *meter) float64ObservableInstrument(id Instrument, callbacks []metric.Float64Callback) (float64Observable, error) {
+func (m *meter) float64ObservableInstrument(
+	id Instrument,
+	callbacks []metric.Float64Callback,
+) (float64Observable, error) {
 	key := instID{
 		Name:        id.Name,
 		Description: id.Description,
@@ -338,7 +359,10 @@ func (m *meter) float64ObservableInstrument(id Instrument, callbacks []metric.Fl
 // Description, and Unit, only the first set of callbacks provided are used.
 // Use meter.RegisterCallback and Registration.Unregister to manage callbacks
 // if instrumentation can be created multiple times with different callbacks.
-func (m *meter) Float64ObservableCounter(name string, options ...metric.Float64ObservableCounterOption) (metric.Float64ObservableCounter, error) {
+func (m *meter) Float64ObservableCounter(
+	name string,
+	options ...metric.Float64ObservableCounterOption,
+) (metric.Float64ObservableCounter, error) {
 	cfg := metric.NewFloat64ObservableCounterConfig(options...)
 	id := Instrument{
 		Name:        name,
@@ -359,7 +383,10 @@ func (m *meter) Float64ObservableCounter(name string, options ...metric.Float64O
 // Description, and Unit, only the first set of callbacks provided are used.
 // Use meter.RegisterCallback and Registration.Unregister to manage callbacks
 // if instrumentation can be created multiple times with different callbacks.
-func (m *meter) Float64ObservableUpDownCounter(name string, options ...metric.Float64ObservableUpDownCounterOption) (metric.Float64ObservableUpDownCounter, error) {
+func (m *meter) Float64ObservableUpDownCounter(
+	name string,
+	options ...metric.Float64ObservableUpDownCounterOption,
+) (metric.Float64ObservableUpDownCounter, error) {
 	cfg := metric.NewFloat64ObservableUpDownCounterConfig(options...)
 	id := Instrument{
 		Name:        name,
@@ -380,7 +407,10 @@ func (m *meter) Float64ObservableUpDownCounter(name string, options ...metric.Fl
 // Description, and Unit, only the first set of callbacks provided are used.
 // Use meter.RegisterCallback and Registration.Unregister to manage callbacks
 // if instrumentation can be created multiple times with different callbacks.
-func (m *meter) Float64ObservableGauge(name string, options ...metric.Float64ObservableGaugeOption) (metric.Float64ObservableGauge, error) {
+func (m *meter) Float64ObservableGauge(
+	name string,
+	options ...metric.Float64ObservableGaugeOption,
+) (metric.Float64ObservableGauge, error) {
 	cfg := metric.NewFloat64ObservableGaugeConfig(options...)
 	id := Instrument{
 		Name:        name,
@@ -426,8 +456,10 @@ func warnRepeatedObservableCallbacks(id Instrument) {
 		"Instrument{Name: %q, Description: %q, Kind: %q, Unit: %q}",
 		id.Name, id.Description, "InstrumentKind"+id.Kind.String(), id.Unit,
 	)
-	global.Warn("Repeated observable instrument creation with callbacks. Ignoring new callbacks. Use meter.RegisterCallback and Registration.Unregister to manage callbacks.",
-		"instrument", inst,
+	global.Warn(
+		"Repeated observable instrument creation with callbacks. Ignoring new callbacks. Use meter.RegisterCallback and Registration.Unregister to manage callbacks.",
+		"instrument",
+		inst,
 	)
 }
 
@@ -613,7 +645,10 @@ func (p int64InstProvider) aggs(kind InstrumentKind, name, desc, u string) ([]ag
 	return p.int64Resolver.Aggregators(inst)
 }
 
-func (p int64InstProvider) histogramAggs(name string, cfg metric.Int64HistogramConfig) ([]aggregate.Measure[int64], error) {
+func (p int64InstProvider) histogramAggs(
+	name string,
+	cfg metric.Int64HistogramConfig,
+) ([]aggregate.Measure[int64], error) {
 	boundaries := cfg.ExplicitBucketBoundaries()
 	aggError := AggregationExplicitBucketHistogram{Boundaries: boundaries}.err()
 	if aggError != nil {
@@ -633,7 +668,7 @@ func (p int64InstProvider) histogramAggs(name string, cfg metric.Int64HistogramC
 
 // lookup returns the resolved instrumentImpl.
 func (p int64InstProvider) lookup(kind InstrumentKind, name, desc, u string) (*int64Inst, error) {
-	return p.meter.int64Insts.Lookup(instID{
+	return p.int64Insts.Lookup(instID{
 		Name:        name,
 		Description: desc,
 		Unit:        u,
@@ -646,7 +681,7 @@ func (p int64InstProvider) lookup(kind InstrumentKind, name, desc, u string) (*i
 
 // lookupHistogram returns the resolved instrumentImpl.
 func (p int64InstProvider) lookupHistogram(name string, cfg metric.Int64HistogramConfig) (*int64Inst, error) {
-	return p.meter.int64Insts.Lookup(instID{
+	return p.int64Insts.Lookup(instID{
 		Name:        name,
 		Description: cfg.Description(),
 		Unit:        cfg.Unit(),
@@ -671,7 +706,10 @@ func (p float64InstProvider) aggs(kind InstrumentKind, name, desc, u string) ([]
 	return p.float64Resolver.Aggregators(inst)
 }
 
-func (p float64InstProvider) histogramAggs(name string, cfg metric.Float64HistogramConfig) ([]aggregate.Measure[float64], error) {
+func (p float64InstProvider) histogramAggs(
+	name string,
+	cfg metric.Float64HistogramConfig,
+) ([]aggregate.Measure[float64], error) {
 	boundaries := cfg.ExplicitBucketBoundaries()
 	aggError := AggregationExplicitBucketHistogram{Boundaries: boundaries}.err()
 	if aggError != nil {
@@ -691,7 +729,7 @@ func (p float64InstProvider) histogramAggs(name string, cfg metric.Float64Histog
 
 // lookup returns the resolved instrumentImpl.
 func (p float64InstProvider) lookup(kind InstrumentKind, name, desc, u string) (*float64Inst, error) {
-	return p.meter.float64Insts.Lookup(instID{
+	return p.float64Insts.Lookup(instID{
 		Name:        name,
 		Description: desc,
 		Unit:        u,
@@ -704,7 +742,7 @@ func (p float64InstProvider) lookup(kind InstrumentKind, name, desc, u string) (
 
 // lookupHistogram returns the resolved instrumentImpl.
 func (p float64InstProvider) lookupHistogram(name string, cfg metric.Float64HistogramConfig) (*float64Inst, error) {
-	return p.meter.float64Insts.Lookup(instID{
+	return p.float64Insts.Lookup(instID{
 		Name:        name,
 		Description: cfg.Description(),
 		Unit:        cfg.Unit(),

vendor/go.opentelemetry.io/otel/sdk/metric/metricdata/data.go

@@ -1,6 +1,7 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+// Package metricdata provides types for the metric SDK data model.
 package metricdata // import "go.opentelemetry.io/otel/sdk/metric/metricdata"
 
 import (

vendor/go.opentelemetry.io/otel/sdk/metric/metricdata/temporality.go

@@ -10,7 +10,7 @@ type Temporality uint8
 
 const (
 	// undefinedTemporality represents an unset Temporality.
-	//nolint:deadcode,unused,varcheck
+	//nolint:unused
 	undefinedTemporality Temporality = iota
 
 	// CumulativeTemporality defines a measurement interval that continues to

vendor/go.opentelemetry.io/otel/sdk/metric/periodic_reader.go

@@ -193,14 +193,16 @@ func (r *PeriodicReader) temporality(kind InstrumentKind) metricdata.Temporality
 }
 
 // aggregation returns what Aggregation to use for kind.
-func (r *PeriodicReader) aggregation(kind InstrumentKind) Aggregation { // nolint:revive  // import-shadow for method scoped by type.
+func (r *PeriodicReader) aggregation(
+	kind InstrumentKind,
+) Aggregation { // nolint:revive  // import-shadow for method scoped by type.
 	return r.exporter.Aggregation(kind)
 }
 
 // collectAndExport gather all metric data related to the periodicReader r from
 // the SDK and exports it with r's exporter.
 func (r *PeriodicReader) collectAndExport(ctx context.Context) error {
-	ctx, cancel := context.WithTimeout(ctx, r.timeout)
+	ctx, cancel := context.WithTimeoutCause(ctx, r.timeout, errors.New("reader collect and export timeout"))
 	defer cancel()
 
 	// TODO (#3047): Use a sync.Pool or persistent pointer instead of allocating rm every Collect.
@@ -276,7 +278,7 @@ func (r *PeriodicReader) ForceFlush(ctx context.Context) error {
 	// Prioritize the ctx timeout if it is set.
 	if _, ok := ctx.Deadline(); !ok {
 		var cancel context.CancelFunc
-		ctx, cancel = context.WithTimeout(ctx, r.timeout)
+		ctx, cancel = context.WithTimeoutCause(ctx, r.timeout, errors.New("reader force flush timeout"))
 		defer cancel()
 	}
 
@@ -309,7 +311,7 @@ func (r *PeriodicReader) Shutdown(ctx context.Context) error {
 		// Prioritize the ctx timeout if it is set.
 		if _, ok := ctx.Deadline(); !ok {
 			var cancel context.CancelFunc
-			ctx, cancel = context.WithTimeout(ctx, r.timeout)
+			ctx, cancel = context.WithTimeoutCause(ctx, r.timeout, errors.New("reader shutdown timeout"))
 			defer cancel()
 		}
 

vendor/go.opentelemetry.io/otel/sdk/metric/pipeline.go

@@ -121,6 +121,14 @@ func (p *pipeline) addMultiCallback(c multiCallback) (unregister func()) {
 //
 // This method is safe to call concurrently.
 func (p *pipeline) produce(ctx context.Context, rm *metricdata.ResourceMetrics) error {
+	// Only check if context is already cancelled before starting, not inside or after callback loops.
+	// If this method returns after executing some callbacks but before running all aggregations,
+	// internal aggregation state can be corrupted and result in incorrect data returned
+	// by future produce calls.
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+
 	p.Lock()
 	defer p.Unlock()
 
@@ -130,12 +138,6 @@ func (p *pipeline) produce(ctx context.Context, rm *metricdata.ResourceMetrics)
 		if e := c(ctx); e != nil {
 			err = errors.Join(err, e)
 		}
-		if err := ctx.Err(); err != nil {
-			rm.Resource = nil
-			clear(rm.ScopeMetrics) // Erase elements to let GC collect objects.
-			rm.ScopeMetrics = rm.ScopeMetrics[:0]
-			return err
-		}
 	}
 	for e := p.multiCallbacks.Front(); e != nil; e = e.Next() {
 		// TODO make the callbacks parallel. ( #3034 )
@@ -143,13 +145,6 @@ func (p *pipeline) produce(ctx context.Context, rm *metricdata.ResourceMetrics)
 		if e := f(ctx); e != nil {
 			err = errors.Join(err, e)
 		}
-		if err := ctx.Err(); err != nil {
-			// This means the context expired before we finished running callbacks.
-			rm.Resource = nil
-			clear(rm.ScopeMetrics) // Erase elements to let GC collect objects.
-			rm.ScopeMetrics = rm.ScopeMetrics[:0]
-			return err
-		}
 	}
 
 	rm.Resource = p.resource
@@ -347,7 +342,12 @@ func (i *inserter[N]) readerDefaultAggregation(kind InstrumentKind) Aggregation
 //
 // If the instrument defines an unknown or incompatible aggregation, an error
 // is returned.
-func (i *inserter[N]) cachedAggregator(scope instrumentation.Scope, kind InstrumentKind, stream Stream, readerAggregation Aggregation) (meas aggregate.Measure[N], aggID uint64, err error) {
+func (i *inserter[N]) cachedAggregator(
+	scope instrumentation.Scope,
+	kind InstrumentKind,
+	stream Stream,
+	readerAggregation Aggregation,
+) (meas aggregate.Measure[N], aggID uint64, err error) {
 	switch stream.Aggregation.(type) {
 	case nil:
 		// The aggregation was not overridden with a view. Use the aggregation
@@ -379,8 +379,11 @@ func (i *inserter[N]) cachedAggregator(scope instrumentation.Scope, kind Instrum
 	normID := id.normalize()
 	cv := i.aggregators.Lookup(normID, func() aggVal[N] {
 		b := aggregate.Builder[N]{
-			Temporality:   i.pipeline.reader.temporality(kind),
-			ReservoirFunc: reservoirFunc[N](stream.ExemplarReservoirProviderSelector(stream.Aggregation), i.pipeline.exemplarFilter),
+			Temporality: i.pipeline.reader.temporality(kind),
+			ReservoirFunc: reservoirFunc[N](
+				stream.ExemplarReservoirProviderSelector(stream.Aggregation),
+				i.pipeline.exemplarFilter,
+			),
 		}
 		b.Filter = stream.AttributeFilter
 		// A value less than or equal to zero will disable the aggregation
@@ -471,7 +474,11 @@ func (i *inserter[N]) instID(kind InstrumentKind, stream Stream) instID {
 // aggregateFunc returns new aggregate functions matching agg, kind, and
 // monotonic. If the agg is unknown or temporality is invalid, an error is
 // returned.
-func (i *inserter[N]) aggregateFunc(b aggregate.Builder[N], agg Aggregation, kind InstrumentKind) (meas aggregate.Measure[N], comp aggregate.ComputeAggregation, err error) {
+func (i *inserter[N]) aggregateFunc(
+	b aggregate.Builder[N],
+	agg Aggregation,
+	kind InstrumentKind,
+) (meas aggregate.Measure[N], comp aggregate.ComputeAggregation, err error) {
 	switch a := agg.(type) {
 	case AggregationDefault:
 		return i.aggregateFunc(b, DefaultAggregationSelector(kind), kind)

vendor/go.opentelemetry.io/otel/sdk/metric/reader.go

@@ -146,7 +146,10 @@ type AggregationSelector func(InstrumentKind) Aggregation
 // Histogram ⇨ ExplicitBucketHistogram.
 func DefaultAggregationSelector(ik InstrumentKind) Aggregation {
 	switch ik {
-	case InstrumentKindCounter, InstrumentKindUpDownCounter, InstrumentKindObservableCounter, InstrumentKindObservableUpDownCounter:
+	case InstrumentKindCounter,
+		InstrumentKindUpDownCounter,
+		InstrumentKindObservableCounter,
+		InstrumentKindObservableUpDownCounter:
 		return AggregationSum{}
 	case InstrumentKindObservableGauge, InstrumentKindGauge:
 		return AggregationLastValue{}

vendor/go.opentelemetry.io/otel/sdk/metric/version.go

@@ -5,5 +5,5 @@ package metric // import "go.opentelemetry.io/otel/sdk/metric"
 
 // version is the current release version of the metric SDK in use.
 func version() string {
-	return "1.35.0"
+	return "1.37.0"
 }

vendor/go.opentelemetry.io/otel/sdk/resource/builtin.go

@@ -13,7 +13,7 @@ import (
 
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/sdk"
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 )
 
 type (

vendor/go.opentelemetry.io/otel/sdk/resource/container.go

@@ -11,7 +11,7 @@ import (
 	"os"
 	"regexp"
 
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 )
 
 type containerIDProvider func() (string, error)

vendor/go.opentelemetry.io/otel/sdk/resource/env.go

@@ -12,7 +12,7 @@ import (
 
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 )
 
 const (

vendor/go.opentelemetry.io/otel/sdk/resource/host_id.go

@@ -8,7 +8,7 @@ import (
 	"errors"
 	"strings"
 
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 )
 
 type hostIDProvider func() (string, error)

vendor/go.opentelemetry.io/otel/sdk/resource/os.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 
 	"go.opentelemetry.io/otel/attribute"
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 )
 
 type osDescriptionProvider func() (string, error)

vendor/go.opentelemetry.io/otel/sdk/resource/process.go

@@ -11,7 +11,7 @@ import (
 	"path/filepath"
 	"runtime"
 
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 )
 
 type (

vendor/go.opentelemetry.io/otel/sdk/trace/batch_span_processor.go

@@ -5,6 +5,7 @@ package trace // import "go.opentelemetry.io/otel/sdk/trace"
 
 import (
 	"context"
+	"errors"
 	"sync"
 	"sync/atomic"
 	"time"
@@ -267,7 +268,7 @@ func (bsp *batchSpanProcessor) exportSpans(ctx context.Context) error {
 
 	if bsp.o.ExportTimeout > 0 {
 		var cancel context.CancelFunc
-		ctx, cancel = context.WithTimeout(ctx, bsp.o.ExportTimeout)
+		ctx, cancel = context.WithTimeoutCause(ctx, bsp.o.ExportTimeout, errors.New("processor export timeout"))
 		defer cancel()
 	}
 

vendor/go.opentelemetry.io/otel/sdk/trace/id_generator.go

@@ -5,10 +5,8 @@ package trace // import "go.opentelemetry.io/otel/sdk/trace"
 
 import (
 	"context"
-	crand "crypto/rand"
 	"encoding/binary"
-	"math/rand"
-	"sync"
+	"math/rand/v2"
 
 	"go.opentelemetry.io/otel/trace"
 )
@@ -29,20 +27,15 @@ type IDGenerator interface {
 	// must never be done outside of a new major release.
 }
 
-type randomIDGenerator struct {
-	sync.Mutex
-	randSource *rand.Rand
-}
+type randomIDGenerator struct{}
 
 var _ IDGenerator = &randomIDGenerator{}
 
 // NewSpanID returns a non-zero span ID from a randomly-chosen sequence.
 func (gen *randomIDGenerator) NewSpanID(ctx context.Context, traceID trace.TraceID) trace.SpanID {
-	gen.Lock()
-	defer gen.Unlock()
 	sid := trace.SpanID{}
 	for {
-		_, _ = gen.randSource.Read(sid[:])
+		binary.NativeEndian.PutUint64(sid[:], rand.Uint64())
 		if sid.IsValid() {
 			break
 		}
@@ -53,18 +46,17 @@ func (gen *randomIDGenerator) NewSpanID(ctx context.Context, traceID trace.Trace
 // NewIDs returns a non-zero trace ID and a non-zero span ID from a
 // randomly-chosen sequence.
 func (gen *randomIDGenerator) NewIDs(ctx context.Context) (trace.TraceID, trace.SpanID) {
-	gen.Lock()
-	defer gen.Unlock()
 	tid := trace.TraceID{}
 	sid := trace.SpanID{}
 	for {
-		_, _ = gen.randSource.Read(tid[:])
+		binary.NativeEndian.PutUint64(tid[:8], rand.Uint64())
+		binary.NativeEndian.PutUint64(tid[8:], rand.Uint64())
 		if tid.IsValid() {
 			break
 		}
 	}
 	for {
-		_, _ = gen.randSource.Read(sid[:])
+		binary.NativeEndian.PutUint64(sid[:], rand.Uint64())
 		if sid.IsValid() {
 			break
 		}
@@ -73,9 +65,5 @@ func (gen *randomIDGenerator) NewIDs(ctx context.Context) (trace.TraceID, trace.
 }
 
 func defaultIDGenerator() IDGenerator {
-	gen := &randomIDGenerator{}
-	var rngSeed int64
-	_ = binary.Read(crand.Reader, binary.LittleEndian, &rngSeed)
-	gen.randSource = rand.New(rand.NewSource(rngSeed))
-	return gen
+	return &randomIDGenerator{}
 }

vendor/go.opentelemetry.io/otel/sdk/trace/provider.go

@@ -169,7 +169,17 @@ func (p *TracerProvider) Tracer(name string, opts ...trace.TracerOption) trace.T
 		//   slowing down all tracing consumers.
 		// - Logging code may be instrumented with tracing and deadlock because it could try
 		//   acquiring the same non-reentrant mutex.
-		global.Info("Tracer created", "name", name, "version", is.Version, "schemaURL", is.SchemaURL, "attributes", is.Attributes)
+		global.Info(
+			"Tracer created",
+			"name",
+			name,
+			"version",
+			is.Version,
+			"schemaURL",
+			is.SchemaURL,
+			"attributes",
+			is.Attributes,
+		)
 	}
 	return t
 }

vendor/go.opentelemetry.io/otel/sdk/trace/span.go

@@ -20,7 +20,7 @@ import (
 	"go.opentelemetry.io/otel/internal/global"
 	"go.opentelemetry.io/otel/sdk/instrumentation"
 	"go.opentelemetry.io/otel/sdk/resource"
-	semconv "go.opentelemetry.io/otel/semconv/v1.26.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.34.0"
 	"go.opentelemetry.io/otel/trace"
 	"go.opentelemetry.io/otel/trace/embedded"
 )

vendor/go.opentelemetry.io/otel/sdk/trace/tracer.go

@@ -26,7 +26,11 @@ var _ trace.Tracer = &tracer{}
 // The Span is created with the provided name and as a child of any existing
 // span context found in the passed context. The created Span will be
 // configured appropriately by any SpanOption passed.
-func (tr *tracer) Start(ctx context.Context, name string, options ...trace.SpanStartOption) (context.Context, trace.Span) {
+func (tr *tracer) Start(
+	ctx context.Context,
+	name string,
+	options ...trace.SpanStartOption,
+) (context.Context, trace.Span) {
 	config := trace.NewSpanStartConfig(options...)
 
 	if ctx == nil {
@@ -112,7 +116,12 @@ func (tr *tracer) newSpan(ctx context.Context, name string, config *trace.SpanCo
 }
 
 // newRecordingSpan returns a new configured recordingSpan.
-func (tr *tracer) newRecordingSpan(psc, sc trace.SpanContext, name string, sr SamplingResult, config *trace.SpanConfig) *recordingSpan {
+func (tr *tracer) newRecordingSpan(
+	psc, sc trace.SpanContext,
+	name string,
+	sr SamplingResult,
+	config *trace.SpanConfig,
+) *recordingSpan {
 	startTime := config.Timestamp()
 	if startTime.IsZero() {
 		startTime = time.Now()

vendor/go.opentelemetry.io/otel/sdk/version.go

@@ -1,9 +1,10 @@
 // Copyright The OpenTelemetry Authors
 // SPDX-License-Identifier: Apache-2.0
 
+// Package sdk provides the OpenTelemetry default SDK for Go.
 package sdk // import "go.opentelemetry.io/otel/sdk"
 
 // Version is the current release version of the OpenTelemetry SDK in use.
 func Version() string {
-	return "1.35.0"
+	return "1.37.0"
 }