diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/sdk/internal')
5 files changed, 113 insertions, 36 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/internal/env/env.go b/vendor/go.opentelemetry.io/otel/sdk/internal/env/env.go index 7eaa07696..07923ed8d 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/internal/env/env.go +++ b/vendor/go.opentelemetry.io/otel/sdk/internal/env/env.go @@ -22,7 +22,7 @@ const ( BatchSpanProcessorMaxQueueSizeKey = "OTEL_BSP_MAX_QUEUE_SIZE" // BatchSpanProcessorMaxExportBatchSizeKey is the maximum batch size (i.e. // 512). Note: it must be less than or equal to - // EnvBatchSpanProcessorMaxQueueSize. + // BatchSpanProcessorMaxQueueSize. BatchSpanProcessorMaxExportBatchSizeKey = "OTEL_BSP_MAX_EXPORT_BATCH_SIZE" // AttributeValueLengthKey is the maximum allowed attribute value size. diff --git a/vendor/go.opentelemetry.io/otel/sdk/internal/gen.go b/vendor/go.opentelemetry.io/otel/sdk/internal/gen.go deleted file mode 100644 index 1fc19d3fe..000000000 --- a/vendor/go.opentelemetry.io/otel/sdk/internal/gen.go +++ /dev/null @@ -1,18 +0,0 @@ -// Copyright The OpenTelemetry Authors -// SPDX-License-Identifier: Apache-2.0 - -package internal // import "go.opentelemetry.io/otel/sdk/internal" - -//go:generate gotmpl --body=../../internal/shared/matchers/expectation.go.tmpl "--data={}" --out=matchers/expectation.go -//go:generate gotmpl --body=../../internal/shared/matchers/expecter.go.tmpl "--data={}" --out=matchers/expecter.go -//go:generate gotmpl --body=../../internal/shared/matchers/temporal_matcher.go.tmpl "--data={}" --out=matchers/temporal_matcher.go - -//go:generate gotmpl --body=../../internal/shared/internaltest/alignment.go.tmpl "--data={}" --out=internaltest/alignment.go -//go:generate gotmpl --body=../../internal/shared/internaltest/env.go.tmpl "--data={}" --out=internaltest/env.go -//go:generate gotmpl --body=../../internal/shared/internaltest/env_test.go.tmpl "--data={}" --out=internaltest/env_test.go -//go:generate gotmpl --body=../../internal/shared/internaltest/errors.go.tmpl "--data={}" --out=internaltest/errors.go -//go:generate gotmpl --body=../../internal/shared/internaltest/harness.go.tmpl "--data={\"matchersImportPath\": \"go.opentelemetry.io/otel/sdk/internal/matchers\"}" --out=internaltest/harness.go -//go:generate gotmpl --body=../../internal/shared/internaltest/text_map_carrier.go.tmpl "--data={}" --out=internaltest/text_map_carrier.go -//go:generate gotmpl --body=../../internal/shared/internaltest/text_map_carrier_test.go.tmpl "--data={}" --out=internaltest/text_map_carrier_test.go -//go:generate gotmpl --body=../../internal/shared/internaltest/text_map_propagator.go.tmpl "--data={}" --out=internaltest/text_map_propagator.go -//go:generate gotmpl --body=../../internal/shared/internaltest/text_map_propagator_test.go.tmpl "--data={}" --out=internaltest/text_map_propagator_test.go diff --git a/vendor/go.opentelemetry.io/otel/sdk/internal/internal.go b/vendor/go.opentelemetry.io/otel/sdk/internal/internal.go deleted file mode 100644 index a990092f9..000000000 --- a/vendor/go.opentelemetry.io/otel/sdk/internal/internal.go +++ /dev/null @@ -1,17 +0,0 @@ -// Copyright The OpenTelemetry Authors -// SPDX-License-Identifier: Apache-2.0 - -package internal // import "go.opentelemetry.io/otel/sdk/internal" - -import "time" - -// MonotonicEndTime returns the end time at present -// but offset from start, monotonically. -// -// The monotonic clock is used in subtractions hence -// the duration since start added back to start gives -// end as a monotonic time. -// See https://golang.org/pkg/time/#hdr-Monotonic_Clocks -func MonotonicEndTime(start time.Time) time.Time { - return start.Add(time.Since(start)) -} diff --git a/vendor/go.opentelemetry.io/otel/sdk/internal/x/README.md b/vendor/go.opentelemetry.io/otel/sdk/internal/x/README.md new file mode 100644 index 000000000..fab61647c --- /dev/null +++ b/vendor/go.opentelemetry.io/otel/sdk/internal/x/README.md @@ -0,0 +1,46 @@ +# Experimental Features + +The SDK contains features that have not yet stabilized in the OpenTelemetry specification. +These features are added to the OpenTelemetry Go SDK prior to stabilization in the specification so that users can start experimenting with them and provide feedback. + +These feature may change in backwards incompatible ways as feedback is applied. +See the [Compatibility and Stability](#compatibility-and-stability) section for more information. + +## Features + +- [Resource](#resource) + +### Resource + +[OpenTelemetry resource semantic conventions] include many attribute definitions that are defined as experimental. +To have experimental semantic conventions be added by [resource detectors] set the `OTEL_GO_X_RESOURCE` environment variable. +The value set must be the case-insensitive string of `"true"` to enable the feature. +All other values are ignored. + +<!-- TODO: document what attributes are added by which detector --> + +[OpenTelemetry resource semantic conventions]: https://opentelemetry.io/docs/specs/semconv/resource/ +[resource detectors]: https://pkg.go.dev/go.opentelemetry.io/otel/sdk/resource#Detector + +#### Examples + +Enable experimental resource semantic conventions. + +```console +export OTEL_GO_X_RESOURCE=true +``` + +Disable experimental resource semantic conventions. + +```console +unset OTEL_GO_X_RESOURCE +``` + +## Compatibility and Stability + +Experimental features do not fall within the scope of the OpenTelemetry Go versioning and stability [policy](../../../VERSIONING.md). +These features may be removed or modified in successive version releases, including patch versions. + +When an experimental feature is promoted to a stable feature, a migration path will be included in the changelog entry of the release. +There is no guarantee that any environment variable feature flags that enabled the experimental feature will be supported by the stable version. +If they are supported, they may be accompanied with a deprecation notice stating a timeline for the removal of that support. diff --git a/vendor/go.opentelemetry.io/otel/sdk/internal/x/x.go b/vendor/go.opentelemetry.io/otel/sdk/internal/x/x.go new file mode 100644 index 000000000..68d296cbe --- /dev/null +++ b/vendor/go.opentelemetry.io/otel/sdk/internal/x/x.go @@ -0,0 +1,66 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +// Package x contains support for OTel SDK experimental features. +// +// This package should only be used for features defined in the specification. +// It should not be used for experiments or new project ideas. +package x // import "go.opentelemetry.io/otel/sdk/internal/x" + +import ( + "os" + "strings" +) + +// Resource is an experimental feature flag that defines if resource detectors +// should be included experimental semantic conventions. +// +// To enable this feature set the OTEL_GO_X_RESOURCE environment variable +// to the case-insensitive string value of "true" (i.e. "True" and "TRUE" +// will also enable this). +var Resource = newFeature("RESOURCE", func(v string) (string, bool) { + if strings.ToLower(v) == "true" { + return v, true + } + return "", false +}) + +// Feature is an experimental feature control flag. It provides a uniform way +// to interact with these feature flags and parse their values. +type Feature[T any] struct { + key string + parse func(v string) (T, bool) +} + +func newFeature[T any](suffix string, parse func(string) (T, bool)) Feature[T] { + const envKeyRoot = "OTEL_GO_X_" + return Feature[T]{ + key: envKeyRoot + suffix, + parse: parse, + } +} + +// Key returns the environment variable key that needs to be set to enable the +// feature. +func (f Feature[T]) Key() string { return f.key } + +// Lookup returns the user configured value for the feature and true if the +// user has enabled the feature. Otherwise, if the feature is not enabled, a +// zero-value and false are returned. +func (f Feature[T]) Lookup() (v T, ok bool) { + // https://github.com/open-telemetry/opentelemetry-specification/blob/62effed618589a0bec416a87e559c0a9d96289bb/specification/configuration/sdk-environment-variables.md#parsing-empty-value + // + // > The SDK MUST interpret an empty value of an environment variable the + // > same way as when the variable is unset. + vRaw := os.Getenv(f.key) + if vRaw == "" { + return v, ok + } + return f.parse(vRaw) +} + +// Enabled returns if the feature is enabled. +func (f Feature[T]) Enabled() bool { + _, ok := f.Lookup() + return ok +} |