mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-26 03:06:03 +03:00
c097745c38
Bumps [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc](https://github.com/open-telemetry/opentelemetry-go) from 1.24.0 to 1.25.0. - [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases) - [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md) - [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.24.0...v1.25.0) --- updated-dependencies: - dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package trace // import "go.opentelemetry.io/otel/sdk/trace"
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import (
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"errors"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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const (
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tracesSamplerKey = "OTEL_TRACES_SAMPLER"
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tracesSamplerArgKey = "OTEL_TRACES_SAMPLER_ARG"
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samplerAlwaysOn = "always_on"
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samplerAlwaysOff = "always_off"
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samplerTraceIDRatio = "traceidratio"
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samplerParentBasedAlwaysOn = "parentbased_always_on"
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samplerParsedBasedAlwaysOff = "parentbased_always_off"
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samplerParentBasedTraceIDRatio = "parentbased_traceidratio"
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)
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type errUnsupportedSampler string
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func (e errUnsupportedSampler) Error() string {
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return fmt.Sprintf("unsupported sampler: %s", string(e))
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}
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var (
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errNegativeTraceIDRatio = errors.New("invalid trace ID ratio: less than 0.0")
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errGreaterThanOneTraceIDRatio = errors.New("invalid trace ID ratio: greater than 1.0")
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)
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type samplerArgParseError struct {
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parseErr error
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}
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func (e samplerArgParseError) Error() string {
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return fmt.Sprintf("parsing sampler argument: %s", e.parseErr.Error())
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}
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func (e samplerArgParseError) Unwrap() error {
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return e.parseErr
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}
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func samplerFromEnv() (Sampler, error) {
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sampler, ok := os.LookupEnv(tracesSamplerKey)
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if !ok {
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return nil, nil
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}
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sampler = strings.ToLower(strings.TrimSpace(sampler))
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samplerArg, hasSamplerArg := os.LookupEnv(tracesSamplerArgKey)
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samplerArg = strings.TrimSpace(samplerArg)
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switch sampler {
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case samplerAlwaysOn:
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return AlwaysSample(), nil
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case samplerAlwaysOff:
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return NeverSample(), nil
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case samplerTraceIDRatio:
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if !hasSamplerArg {
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return TraceIDRatioBased(1.0), nil
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}
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return parseTraceIDRatio(samplerArg)
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case samplerParentBasedAlwaysOn:
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return ParentBased(AlwaysSample()), nil
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case samplerParsedBasedAlwaysOff:
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return ParentBased(NeverSample()), nil
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case samplerParentBasedTraceIDRatio:
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if !hasSamplerArg {
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return ParentBased(TraceIDRatioBased(1.0)), nil
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}
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ratio, err := parseTraceIDRatio(samplerArg)
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return ParentBased(ratio), err
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default:
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return nil, errUnsupportedSampler(sampler)
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}
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}
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func parseTraceIDRatio(arg string) (Sampler, error) {
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v, err := strconv.ParseFloat(arg, 64)
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if err != nil {
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return TraceIDRatioBased(1.0), samplerArgParseError{err}
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}
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if v < 0.0 {
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return TraceIDRatioBased(1.0), errNegativeTraceIDRatio
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}
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if v > 1.0 {
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return TraceIDRatioBased(1.0), errGreaterThanOneTraceIDRatio
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}
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return TraceIDRatioBased(v), nil
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}
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