From aa552c7382b6e56f96dea278936e8607f60a1f86 Mon Sep 17 00:00:00 2001
From: ale <ale@incal.net>
Date: Tue, 16 Aug 2022 20:08:16 +0100
Subject: [PATCH] Upgrade ai3/go-common
---
go.mod | 2 +-
go.sum | 6 +-
vendor/git.autistici.org/ai3/go-common/go.mod | 1 +
vendor/git.autistici.org/ai3/go-common/go.sum | 4 +-
.../ai3/go-common/tracing/tracing.go | 8 +
.../contrib/propagators/b3/LICENSE | 201 +++++++++++
.../contrib/propagators/b3/b3_config.go | 77 ++++
.../contrib/propagators/b3/b3_propagator.go | 341 ++++++++++++++++++
.../contrib/propagators/b3/context.go | 60 +++
.../contrib/propagators/b3/doc.go | 17 +
.../contrib/propagators/b3/go.mod | 18 +
.../contrib/propagators/b3/go.sum | 26 ++
.../contrib/propagators/b3/version.go | 26 ++
vendor/modules.txt | 4 +-
14 files changed, 785 insertions(+), 6 deletions(-)
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/LICENSE
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/b3_config.go
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/b3_propagator.go
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/context.go
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/doc.go
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/go.mod
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/go.sum
create mode 100644 vendor/go.opentelemetry.io/contrib/propagators/b3/version.go
diff --git a/go.mod b/go.mod
index 123b4bd..43fd7bb 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module git.autistici.org/id/usermetadb
go 1.14
require (
- git.autistici.org/ai3/go-common v0.0.0-20220816164411-b1b0f1bafe4c
+ git.autistici.org/ai3/go-common v0.0.0-20220816190733-e0ceb95832bc
github.com/google/go-cmp v0.5.8
github.com/matttproud/golang_protobuf_extensions v1.0.2-0.20181231171920-c182affec369 // indirect
golang.org/x/sys v0.0.0-20220317061510-51cd9980dadf // indirect
diff --git a/go.sum b/go.sum
index 9347e85..cc80162 100644
--- a/go.sum
+++ b/go.sum
@@ -50,8 +50,8 @@ contrib.go.opencensus.io/exporter/stackdriver v0.13.5/go.mod h1:aXENhDJ1Y4lIg4EU
contrib.go.opencensus.io/integrations/ocsql v0.1.4/go.mod h1:8DsSdjz3F+APR+0z0WkU1aRorQCFfRxvqjUUPMbF3fE=
contrib.go.opencensus.io/resource v0.1.1/go.mod h1:F361eGI91LCmW1I/Saf+rX0+OFcigGlFvXwEGEnkRLA=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-git.autistici.org/ai3/go-common v0.0.0-20220816164411-b1b0f1bafe4c h1:ig7MPkyvJGLrFjyY1d1KhYY9Tk/vfSd6mJ2m/2Th5ns=
-git.autistici.org/ai3/go-common v0.0.0-20220816164411-b1b0f1bafe4c/go.mod h1:RSRMIh+m+Oc0qaGgQFVEJFKwmkF7+v2Vk4LKNNo22h0=
+git.autistici.org/ai3/go-common v0.0.0-20220816190733-e0ceb95832bc h1:aWPCJUiyROs3ZmzG6Jo3kzO9Rb+xAXQek2rRBJA6Rgg=
+git.autistici.org/ai3/go-common v0.0.0-20220816190733-e0ceb95832bc/go.mod h1:KckkZ6BZT7trRIKwnGoGj1DyfxywC/p+y2qHaQkT+xE=
github.com/Azure/azure-amqp-common-go/v2 v2.1.0/go.mod h1:R8rea+gJRuJR6QxTir/XuEd+YuKoUiazDC/N96FiDEU=
github.com/Azure/azure-pipeline-go v0.2.1/go.mod h1:UGSo8XybXnIGZ3epmeBw7Jdz+HiUVpqIlpz/HKHylF4=
github.com/Azure/azure-sdk-for-go v29.0.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
@@ -790,6 +790,8 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0 h1:9NkMW03wwEzPtP/KciZ4Ozu/Uz5ZA7kfqXJIObnrjGU=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0/go.mod h1:548ZsYzmT4PL4zWKRd8q/N4z0Wxzn/ZxUE+lkEpwWQA=
+go.opentelemetry.io/contrib/propagators/b3 v1.9.0 h1:Lzb9zU98jCE2kyfCjWfSSsiQoGtvBL+COxvUBf7FNhU=
+go.opentelemetry.io/contrib/propagators/b3 v1.9.0/go.mod h1:fyx3gFXn+4w5uWTTiqaI8oBNBW/6w9Ow5zxXf7NGixU=
go.opentelemetry.io/otel v1.8.0/go.mod h1:2pkj+iMj0o03Y+cW6/m8Y4WkRdYN3AvCXCnzRMp9yvM=
go.opentelemetry.io/otel v1.9.0 h1:8WZNQFIB2a71LnANS9JeyidJKKGOOremcUtb/OtHISw=
go.opentelemetry.io/otel v1.9.0/go.mod h1:np4EoPGzoPs3O67xUVNoPPcmSvsfOxNlNA4F4AC+0Eo=
diff --git a/vendor/git.autistici.org/ai3/go-common/go.mod b/vendor/git.autistici.org/ai3/go-common/go.mod
index 0c6c64a..013d924 100644
--- a/vendor/git.autistici.org/ai3/go-common/go.mod
+++ b/vendor/git.autistici.org/ai3/go-common/go.mod
@@ -22,6 +22,7 @@ require (
github.com/russross/blackfriday/v2 v2.1.0
github.com/theckman/go-flock v0.8.1
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0
+ go.opentelemetry.io/contrib/propagators/b3 v1.9.0
go.opentelemetry.io/otel v1.9.0
go.opentelemetry.io/otel/exporters/zipkin v1.9.0
go.opentelemetry.io/otel/sdk v1.9.0
diff --git a/vendor/git.autistici.org/ai3/go-common/go.sum b/vendor/git.autistici.org/ai3/go-common/go.sum
index fcf2247..26f2430 100644
--- a/vendor/git.autistici.org/ai3/go-common/go.sum
+++ b/vendor/git.autistici.org/ai3/go-common/go.sum
@@ -208,8 +208,6 @@ github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8
github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
github.com/duo-labs/webauthn v0.0.0-20220330035159-03696f3d4499 h1:jaQHuGKk9NVcfu9VbA7ygslr/7utxdYs47i4osBhZP8=
github.com/duo-labs/webauthn v0.0.0-20220330035159-03696f3d4499/go.mod h1:UMk1JMDgQDcdI2vQz+WJOIUTSjIq07qSepAVgc93rUc=
-github.com/duo-labs/webauthn v0.0.0-20220815211337-00c9fb5711f5 h1:BaeJtFDlto/NjX9t730OebRRJf2P+t9YEDz3ur18824=
-github.com/duo-labs/webauthn v0.0.0-20220815211337-00c9fb5711f5/go.mod h1:Jcj7rFNlTknb18v9jpSA58BveX2LDhXqaoy+6YV1N9g=
github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
@@ -862,6 +860,8 @@ go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0 h1:9NkMW03wwEzPtP/KciZ4Ozu/Uz5ZA7kfqXJIObnrjGU=
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0/go.mod h1:548ZsYzmT4PL4zWKRd8q/N4z0Wxzn/ZxUE+lkEpwWQA=
+go.opentelemetry.io/contrib/propagators/b3 v1.9.0 h1:Lzb9zU98jCE2kyfCjWfSSsiQoGtvBL+COxvUBf7FNhU=
+go.opentelemetry.io/contrib/propagators/b3 v1.9.0/go.mod h1:fyx3gFXn+4w5uWTTiqaI8oBNBW/6w9Ow5zxXf7NGixU=
go.opentelemetry.io/otel v1.8.0/go.mod h1:2pkj+iMj0o03Y+cW6/m8Y4WkRdYN3AvCXCnzRMp9yvM=
go.opentelemetry.io/otel v1.9.0 h1:8WZNQFIB2a71LnANS9JeyidJKKGOOremcUtb/OtHISw=
go.opentelemetry.io/otel v1.9.0/go.mod h1:np4EoPGzoPs3O67xUVNoPPcmSvsfOxNlNA4F4AC+0Eo=
diff --git a/vendor/git.autistici.org/ai3/go-common/tracing/tracing.go b/vendor/git.autistici.org/ai3/go-common/tracing/tracing.go
index f51f986..f563090 100644
--- a/vendor/git.autistici.org/ai3/go-common/tracing/tracing.go
+++ b/vendor/git.autistici.org/ai3/go-common/tracing/tracing.go
@@ -12,8 +12,10 @@ import (
"sync"
othttp "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
+ b3 "go.opentelemetry.io/contrib/propagators/b3"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/zipkin"
+ "go.opentelemetry.io/otel/propagation"
"go.opentelemetry.io/otel/sdk/resource"
"go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.12.0"
@@ -138,6 +140,12 @@ func initTracing(serviceName string) {
otel.SetTracerProvider(tp)
Tracer = tp.Tracer(serviceName)
+ otel.SetTextMapPropagator(
+ propagation.NewCompositeTextMapPropagator(
+ propagation.TraceContext{},
+ propagation.Baggage{},
+ b3.New()))
+
log.Printf("tracing enabled (report_url %s)", config.ReportURL)
Enabled = true
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/LICENSE b/vendor/go.opentelemetry.io/contrib/propagators/b3/LICENSE
new file mode 100644
index 0000000..261eeb9
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/LICENSE
@@ -0,0 +1,201 @@
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
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+
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diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/b3_config.go b/vendor/go.opentelemetry.io/contrib/propagators/b3/b3_config.go
new file mode 100644
index 0000000..b09dbd3
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/b3_config.go
@@ -0,0 +1,77 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package b3 // import "go.opentelemetry.io/contrib/propagators/b3"
+
+type config struct {
+ // InjectEncoding are the B3 encodings used when injecting trace
+ // information. If no encoding is specified (i.e. `B3Unspecified`)
+ // `B3SingleHeader` will be used as the default.
+ InjectEncoding Encoding
+}
+
+// Option interface used for setting optional config properties.
+type Option interface {
+ apply(*config)
+}
+
+type optionFunc func(*config)
+
+func (o optionFunc) apply(c *config) {
+ o(c)
+}
+
+// newConfig creates a new config struct and applies opts to it.
+func newConfig(opts ...Option) *config {
+ c := &config{}
+ for _, opt := range opts {
+ opt.apply(c)
+ }
+ return c
+}
+
+// Encoding is a bitmask representation of the B3 encoding type.
+type Encoding uint8
+
+// supports returns if e has o bit(s) set.
+func (e Encoding) supports(o Encoding) bool {
+ return e&o == o
+}
+
+const (
+ // B3Unspecified is an unspecified B3 encoding.
+ B3Unspecified Encoding = 0
+ // B3MultipleHeader is a B3 encoding that uses multiple headers to
+ // transmit tracing information all prefixed with `x-b3-`.
+ // x-b3-traceid: {TraceId}
+ // x-b3-parentspanid: {ParentSpanId}
+ // x-b3-spanid: {SpanId}
+ // x-b3-sampled: {SamplingState}
+ // x-b3-flags: {DebugFlag}
+ B3MultipleHeader Encoding = 1 << iota
+ // B3SingleHeader is a B3 encoding that uses a single header named `b3`
+ // to transmit tracing information.
+ // b3: {TraceId}-{SpanId}-{SamplingState}-{ParentSpanId}
+ B3SingleHeader
+)
+
+// WithInjectEncoding sets the encoding the propagator will inject.
+// The encoding is interpreted as a bitmask. Therefore
+// WithInjectEncoding(B3SingleHeader | B3MultipleHeader)
+// means the propagator will inject both single and multi B3 headers.
+func WithInjectEncoding(encoding Encoding) Option {
+ return optionFunc(func(c *config) {
+ c.InjectEncoding = encoding
+ })
+}
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/b3_propagator.go b/vendor/go.opentelemetry.io/contrib/propagators/b3/b3_propagator.go
new file mode 100644
index 0000000..17dfa0b
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/b3_propagator.go
@@ -0,0 +1,341 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package b3 // import "go.opentelemetry.io/contrib/propagators/b3"
+
+import (
+ "context"
+ "errors"
+ "strings"
+
+ "go.opentelemetry.io/otel/propagation"
+ "go.opentelemetry.io/otel/trace"
+)
+
+const (
+ // Default B3 Header names.
+ b3ContextHeader = "b3"
+ b3DebugFlagHeader = "x-b3-flags"
+ b3TraceIDHeader = "x-b3-traceid"
+ b3SpanIDHeader = "x-b3-spanid"
+ b3SampledHeader = "x-b3-sampled"
+ b3ParentSpanIDHeader = "x-b3-parentspanid"
+
+ b3TraceIDPadding = "0000000000000000"
+
+ // B3 Single Header encoding widths.
+ separatorWidth = 1 // Single "-" character.
+ samplingWidth = 1 // Single hex character.
+ traceID64BitsWidth = 64 / 4 // 16 hex character Trace ID.
+ traceID128BitsWidth = 128 / 4 // 32 hex character Trace ID.
+ spanIDWidth = 16 // 16 hex character ID.
+ parentSpanIDWidth = 16 // 16 hex character ID.
+)
+
+var (
+ empty = trace.SpanContext{}
+
+ errInvalidSampledByte = errors.New("invalid B3 Sampled found")
+ errInvalidSampledHeader = errors.New("invalid B3 Sampled header found")
+ errInvalidTraceIDHeader = errors.New("invalid B3 traceID header found")
+ errInvalidSpanIDHeader = errors.New("invalid B3 spanID header found")
+ errInvalidParentSpanIDHeader = errors.New("invalid B3 ParentSpanID header found")
+ errInvalidScope = errors.New("require either both traceID and spanID or none")
+ errInvalidScopeParent = errors.New("traceID and spanID required for ParentSpanID")
+ errInvalidScopeParentSingle = errors.New("traceID, spanID and Sampled required for ParentSpanID")
+ errEmptyContext = errors.New("empty request context")
+ errInvalidTraceIDValue = errors.New("invalid B3 traceID value found")
+ errInvalidSpanIDValue = errors.New("invalid B3 spanID value found")
+ errInvalidParentSpanIDValue = errors.New("invalid B3 ParentSpanID value found")
+)
+
+type propagator struct {
+ cfg config
+}
+
+var _ propagation.TextMapPropagator = propagator{}
+
+// New creates a B3 implementation of propagation.TextMapPropagator.
+// B3 propagator serializes SpanContext to/from B3 Headers.
+// This propagator supports both versions of B3 headers,
+// 1. Single Header:
+// b3: {TraceId}-{SpanId}-{SamplingState}-{ParentSpanId}
+// 2. Multiple Headers:
+// x-b3-traceid: {TraceId}
+// x-b3-parentspanid: {ParentSpanId}
+// x-b3-spanid: {SpanId}
+// x-b3-sampled: {SamplingState}
+// x-b3-flags: {DebugFlag}
+// The Single Header propagator is used by default.
+func New(opts ...Option) propagation.TextMapPropagator {
+ cfg := newConfig(opts...)
+ return propagator{
+ cfg: *cfg,
+ }
+}
+
+// Inject injects a context into the carrier as B3 headers.
+// The parent span ID is omitted because it is not tracked in the
+// SpanContext.
+func (b3 propagator) Inject(ctx context.Context, carrier propagation.TextMapCarrier) {
+ sc := trace.SpanFromContext(ctx).SpanContext()
+
+ if b3.cfg.InjectEncoding.supports(B3SingleHeader) || b3.cfg.InjectEncoding == B3Unspecified {
+ header := []string{}
+ if sc.TraceID().IsValid() && sc.SpanID().IsValid() {
+ header = append(header, sc.TraceID().String(), sc.SpanID().String())
+ }
+
+ if debugFromContext(ctx) {
+ header = append(header, "d")
+ } else if !(deferredFromContext(ctx)) {
+ if sc.IsSampled() {
+ header = append(header, "1")
+ } else {
+ header = append(header, "0")
+ }
+ }
+
+ carrier.Set(b3ContextHeader, strings.Join(header, "-"))
+ }
+
+ if b3.cfg.InjectEncoding.supports(B3MultipleHeader) {
+ if sc.TraceID().IsValid() && sc.SpanID().IsValid() {
+ carrier.Set(b3TraceIDHeader, sc.TraceID().String())
+ carrier.Set(b3SpanIDHeader, sc.SpanID().String())
+ }
+
+ if debugFromContext(ctx) {
+ // Since Debug implies deferred, don't also send "X-B3-Sampled".
+ carrier.Set(b3DebugFlagHeader, "1")
+ } else if !(deferredFromContext(ctx)) {
+ if sc.IsSampled() {
+ carrier.Set(b3SampledHeader, "1")
+ } else {
+ carrier.Set(b3SampledHeader, "0")
+ }
+ }
+ }
+}
+
+// Extract extracts a context from the carrier if it contains B3 headers.
+func (b3 propagator) Extract(ctx context.Context, carrier propagation.TextMapCarrier) context.Context {
+ var (
+ sc trace.SpanContext
+ err error
+ )
+
+ // Default to Single Header if a valid value exists.
+ if h := carrier.Get(b3ContextHeader); h != "" {
+ ctx, sc, err = extractSingle(ctx, h)
+ if err == nil && sc.IsValid() {
+ return trace.ContextWithRemoteSpanContext(ctx, sc)
+ }
+ // The Single Header value was invalid, fallback to Multiple Header.
+ }
+
+ var (
+ traceID = carrier.Get(b3TraceIDHeader)
+ spanID = carrier.Get(b3SpanIDHeader)
+ parentSpanID = carrier.Get(b3ParentSpanIDHeader)
+ sampled = carrier.Get(b3SampledHeader)
+ debugFlag = carrier.Get(b3DebugFlagHeader)
+ )
+ ctx, sc, err = extractMultiple(ctx, traceID, spanID, parentSpanID, sampled, debugFlag)
+ if err != nil || !sc.IsValid() {
+ // clear the deferred flag if we don't have a valid SpanContext
+ return withDeferred(ctx, false)
+ }
+ return trace.ContextWithRemoteSpanContext(ctx, sc)
+}
+
+func (b3 propagator) Fields() []string {
+ header := []string{}
+ if b3.cfg.InjectEncoding.supports(B3SingleHeader) {
+ header = append(header, b3ContextHeader)
+ }
+ if b3.cfg.InjectEncoding.supports(B3MultipleHeader) || b3.cfg.InjectEncoding == B3Unspecified {
+ header = append(header, b3TraceIDHeader, b3SpanIDHeader, b3SampledHeader, b3DebugFlagHeader)
+ }
+ return header
+}
+
+// extractMultiple reconstructs a SpanContext from header values based on B3
+// Multiple header. It is based on the implementation found here:
+// https://github.com/openzipkin/zipkin-go/blob/v0.2.2/propagation/b3/spancontext.go
+// and adapted to support a SpanContext.
+func extractMultiple(ctx context.Context, traceID, spanID, parentSpanID, sampled, flags string) (context.Context, trace.SpanContext, error) {
+ var (
+ err error
+ requiredCount int
+ scc = trace.SpanContextConfig{}
+ )
+
+ // correct values for an existing sampled header are "0" and "1".
+ // For legacy support and being lenient to other tracing implementations we
+ // allow "true" and "false" as inputs for interop purposes.
+ switch strings.ToLower(sampled) {
+ case "0", "false":
+ // Zero value for TraceFlags sample bit is unset.
+ case "1", "true":
+ scc.TraceFlags = trace.FlagsSampled
+ case "":
+ ctx = withDeferred(ctx, true)
+ default:
+ return ctx, empty, errInvalidSampledHeader
+ }
+
+ // The only accepted value for Flags is "1". This will set Debug bitmask and
+ // sampled bitmask to 1 since debug implicitly means sampled. All other
+ // values and omission of header will be ignored. According to the spec. User
+ // shouldn't send X-B3-Sampled header along with X-B3-Flags header. Thus we will
+ // ignore X-B3-Sampled header when X-B3-Flags header is sent and valid.
+ if flags == "1" {
+ ctx = withDeferred(ctx, false)
+ ctx = withDebug(ctx, true)
+ scc.TraceFlags |= trace.FlagsSampled
+ }
+
+ if traceID != "" {
+ requiredCount++
+ id := traceID
+ if len(traceID) == 16 {
+ // Pad 64-bit trace IDs.
+ id = b3TraceIDPadding + traceID
+ }
+ if scc.TraceID, err = trace.TraceIDFromHex(id); err != nil {
+ return ctx, empty, errInvalidTraceIDHeader
+ }
+ }
+
+ if spanID != "" {
+ requiredCount++
+ if scc.SpanID, err = trace.SpanIDFromHex(spanID); err != nil {
+ return ctx, empty, errInvalidSpanIDHeader
+ }
+ }
+
+ if requiredCount != 0 && requiredCount != 2 {
+ return ctx, empty, errInvalidScope
+ }
+
+ if parentSpanID != "" {
+ if requiredCount == 0 {
+ return ctx, empty, errInvalidScopeParent
+ }
+ // Validate parent span ID but we do not use it so do not save it.
+ if _, err = trace.SpanIDFromHex(parentSpanID); err != nil {
+ return ctx, empty, errInvalidParentSpanIDHeader
+ }
+ }
+
+ return ctx, trace.NewSpanContext(scc), nil
+}
+
+// extractSingle reconstructs a SpanContext from contextHeader based on a B3
+// Single header. It is based on the implementation found here:
+// https://github.com/openzipkin/zipkin-go/blob/v0.2.2/propagation/b3/spancontext.go
+// and adapted to support a SpanContext.
+func extractSingle(ctx context.Context, contextHeader string) (context.Context, trace.SpanContext, error) {
+ if contextHeader == "" {
+ return ctx, empty, errEmptyContext
+ }
+
+ var (
+ scc = trace.SpanContextConfig{}
+ sampling string
+ )
+
+ headerLen := len(contextHeader)
+
+ switch {
+ case headerLen == samplingWidth:
+ sampling = contextHeader
+ case headerLen == traceID64BitsWidth || headerLen == traceID128BitsWidth:
+ // Trace ID by itself is invalid.
+ return ctx, empty, errInvalidScope
+ case headerLen >= traceID64BitsWidth+spanIDWidth+separatorWidth:
+ pos := 0
+ var traceID string
+ switch {
+ case string(contextHeader[traceID64BitsWidth]) == "-":
+ // traceID must be 64 bits
+ pos += traceID64BitsWidth // {traceID}
+ traceID = b3TraceIDPadding + string(contextHeader[0:pos])
+ case string(contextHeader[32]) == "-":
+ // traceID must be 128 bits
+ pos += traceID128BitsWidth // {traceID}
+ traceID = string(contextHeader[0:pos])
+ default:
+ return ctx, empty, errInvalidTraceIDValue
+ }
+ var err error
+ scc.TraceID, err = trace.TraceIDFromHex(traceID)
+ if err != nil {
+ return ctx, empty, errInvalidTraceIDValue
+ }
+ pos += separatorWidth // {traceID}-
+
+ scc.SpanID, err = trace.SpanIDFromHex(contextHeader[pos : pos+spanIDWidth])
+ if err != nil {
+ return ctx, empty, errInvalidSpanIDValue
+ }
+ pos += spanIDWidth // {traceID}-{spanID}
+
+ if headerLen > pos {
+ if headerLen == pos+separatorWidth {
+ // {traceID}-{spanID}- is invalid.
+ return ctx, empty, errInvalidSampledByte
+ }
+ pos += separatorWidth // {traceID}-{spanID}-
+
+ switch {
+ case headerLen == pos+samplingWidth:
+ sampling = string(contextHeader[pos])
+ case headerLen == pos+parentSpanIDWidth:
+ // {traceID}-{spanID}-{parentSpanID} is invalid.
+ return ctx, empty, errInvalidScopeParentSingle
+ case headerLen == pos+samplingWidth+separatorWidth+parentSpanIDWidth:
+ sampling = string(contextHeader[pos])
+ pos += samplingWidth + separatorWidth // {traceID}-{spanID}-{sampling}-
+
+ // Validate parent span ID but we do not use it so do not
+ // save it.
+ _, err = trace.SpanIDFromHex(contextHeader[pos:])
+ if err != nil {
+ return ctx, empty, errInvalidParentSpanIDValue
+ }
+ default:
+ return ctx, empty, errInvalidParentSpanIDValue
+ }
+ }
+ default:
+ return ctx, empty, errInvalidTraceIDValue
+ }
+ switch sampling {
+ case "":
+ ctx = withDeferred(ctx, true)
+ case "d":
+ ctx = withDebug(ctx, true)
+ scc.TraceFlags = trace.FlagsSampled
+ case "1":
+ scc.TraceFlags = trace.FlagsSampled
+ case "0":
+ // Zero value for TraceFlags sample bit is unset.
+ default:
+ return ctx, empty, errInvalidSampledByte
+ }
+
+ return ctx, trace.NewSpanContext(scc), nil
+}
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/context.go b/vendor/go.opentelemetry.io/contrib/propagators/b3/context.go
new file mode 100644
index 0000000..988cd2c
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/context.go
@@ -0,0 +1,60 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package b3 // import "go.opentelemetry.io/contrib/propagators/b3"
+
+import "context"
+
+type b3KeyType int
+
+const (
+ debugKey b3KeyType = iota
+ deferredKey
+)
+
+// withDebug returns a copy of parent with debug set as the debug flag value .
+func withDebug(parent context.Context, debug bool) context.Context {
+ return context.WithValue(parent, debugKey, debug)
+}
+
+// debugFromContext returns the debug value stored in ctx.
+//
+// If no debug value is stored in ctx false is returned.
+func debugFromContext(ctx context.Context) bool {
+ if ctx == nil {
+ return false
+ }
+ if debug, ok := ctx.Value(debugKey).(bool); ok {
+ return debug
+ }
+ return false
+}
+
+// withDeferred returns a copy of parent with deferred set as the deferred flag value .
+func withDeferred(parent context.Context, deferred bool) context.Context {
+ return context.WithValue(parent, deferredKey, deferred)
+}
+
+// deferredFromContext returns the deferred value stored in ctx.
+//
+// If no deferred value is stored in ctx false is returned.
+func deferredFromContext(ctx context.Context) bool {
+ if ctx == nil {
+ return false
+ }
+ if deferred, ok := ctx.Value(deferredKey).(bool); ok {
+ return deferred
+ }
+ return false
+}
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/doc.go b/vendor/go.opentelemetry.io/contrib/propagators/b3/doc.go
new file mode 100644
index 0000000..21578cf
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/doc.go
@@ -0,0 +1,17 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package b3 implements the B3 propagator specification as defined at
+// https://github.com/openzipkin/b3-propagation
+package b3 // import "go.opentelemetry.io/contrib/propagators/b3"
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/go.mod b/vendor/go.opentelemetry.io/contrib/propagators/b3/go.mod
new file mode 100644
index 0000000..78cd190
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/go.mod
@@ -0,0 +1,18 @@
+module go.opentelemetry.io/contrib/propagators/b3
+
+go 1.17
+
+require (
+ github.com/google/go-cmp v0.5.8
+ github.com/stretchr/testify v1.8.0
+ go.opentelemetry.io/otel v1.9.0
+ go.opentelemetry.io/otel/trace v1.9.0
+)
+
+require (
+ github.com/davecgh/go-spew v1.1.1 // indirect
+ github.com/go-logr/logr v1.2.3 // indirect
+ github.com/go-logr/stdr v1.2.2 // indirect
+ github.com/pmezard/go-difflib v1.0.0 // indirect
+ gopkg.in/yaml.v3 v3.0.1 // indirect
+)
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/go.sum b/vendor/go.opentelemetry.io/contrib/propagators/b3/go.sum
new file mode 100644
index 0000000..7b73094
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/go.sum
@@ -0,0 +1,26 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/logr v1.2.3 h1:2DntVwHkVopvECVRSlL5PSo9eG+cAkDCuckLubN+rq0=
+github.com/go-logr/logr v1.2.3/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
+go.opentelemetry.io/otel v1.9.0 h1:8WZNQFIB2a71LnANS9JeyidJKKGOOremcUtb/OtHISw=
+go.opentelemetry.io/otel v1.9.0/go.mod h1:np4EoPGzoPs3O67xUVNoPPcmSvsfOxNlNA4F4AC+0Eo=
+go.opentelemetry.io/otel/trace v1.9.0 h1:oZaCNJUjWcg60VXWee8lJKlqhPbXAPB51URuR47pQYc=
+go.opentelemetry.io/otel/trace v1.9.0/go.mod h1:2737Q0MuG8q1uILYm2YYVkAyLtOofiTNGg6VODnOiPo=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/vendor/go.opentelemetry.io/contrib/propagators/b3/version.go b/vendor/go.opentelemetry.io/contrib/propagators/b3/version.go
new file mode 100644
index 0000000..47adc5d
--- /dev/null
+++ b/vendor/go.opentelemetry.io/contrib/propagators/b3/version.go
@@ -0,0 +1,26 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package b3 // import "go.opentelemetry.io/contrib/propagators/b3"
+
+// Version is the current release version of the B3 propagator.
+func Version() string {
+ return "1.9.0"
+ // This string is updated by the pre_release.sh script during release
+}
+
+// SemVersion is the semantic version to be supplied to tracer/meter creation.
+func SemVersion() string {
+ return "semver:" + Version()
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index aeee45a..2a03873 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,4 +1,4 @@
-# git.autistici.org/ai3/go-common v0.0.0-20220816164411-b1b0f1bafe4c
+# git.autistici.org/ai3/go-common v0.0.0-20220816190733-e0ceb95832bc
## explicit
git.autistici.org/ai3/go-common
git.autistici.org/ai3/go-common/clientutil
@@ -58,6 +58,8 @@ github.com/prometheus/procfs/internal/fs
github.com/prometheus/procfs/internal/util
# go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.34.0
go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
+# go.opentelemetry.io/contrib/propagators/b3 v1.9.0
+go.opentelemetry.io/contrib/propagators/b3
# go.opentelemetry.io/otel v1.9.0
go.opentelemetry.io/otel
go.opentelemetry.io/otel/attribute
--
GitLab