diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/propagation')
5 files changed, 0 insertions, 361 deletions
diff --git a/vendor/go.opentelemetry.io/otel/propagation/README.md b/vendor/go.opentelemetry.io/otel/propagation/README.md deleted file mode 100644 index e2959ac74..000000000 --- a/vendor/go.opentelemetry.io/otel/propagation/README.md +++ /dev/null @@ -1,3 +0,0 @@ -# Propagation - -[](https://pkg.go.dev/go.opentelemetry.io/otel/propagation) diff --git a/vendor/go.opentelemetry.io/otel/propagation/baggage.go b/vendor/go.opentelemetry.io/otel/propagation/baggage.go deleted file mode 100644 index 552263ba7..000000000 --- a/vendor/go.opentelemetry.io/otel/propagation/baggage.go +++ /dev/null @@ -1,47 +0,0 @@ -// Copyright The OpenTelemetry Authors -// SPDX-License-Identifier: Apache-2.0 - -package propagation // import "go.opentelemetry.io/otel/propagation" - -import ( - "context" - - "go.opentelemetry.io/otel/baggage" -) - -const baggageHeader = "baggage" - -// Baggage is a propagator that supports the W3C Baggage format. -// -// This propagates user-defined baggage associated with a trace. The complete -// specification is defined at https://www.w3.org/TR/baggage/. -type Baggage struct{} - -var _ TextMapPropagator = Baggage{} - -// Inject sets baggage key-values from ctx into the carrier. -func (b Baggage) Inject(ctx context.Context, carrier TextMapCarrier) { - bStr := baggage.FromContext(ctx).String() - if bStr != "" { - carrier.Set(baggageHeader, bStr) - } -} - -// Extract returns a copy of parent with the baggage from the carrier added. -func (b Baggage) Extract(parent context.Context, carrier TextMapCarrier) context.Context { - bStr := carrier.Get(baggageHeader) - if bStr == "" { - return parent - } - - bag, err := baggage.Parse(bStr) - if err != nil { - return parent - } - return baggage.ContextWithBaggage(parent, bag) -} - -// Fields returns the keys who's values are set with Inject. -func (b Baggage) Fields() []string { - return []string{baggageHeader} -} diff --git a/vendor/go.opentelemetry.io/otel/propagation/doc.go b/vendor/go.opentelemetry.io/otel/propagation/doc.go deleted file mode 100644 index 33a3baf15..000000000 --- a/vendor/go.opentelemetry.io/otel/propagation/doc.go +++ /dev/null @@ -1,13 +0,0 @@ -// Copyright The OpenTelemetry Authors -// SPDX-License-Identifier: Apache-2.0 - -/* -Package propagation contains OpenTelemetry context propagators. - -OpenTelemetry propagators are used to extract and inject context data from and -into messages exchanged by applications. The propagator supported by this -package is the W3C Trace Context encoding -(https://www.w3.org/TR/trace-context/), and W3C Baggage -(https://www.w3.org/TR/baggage/). -*/ -package propagation // import "go.opentelemetry.io/otel/propagation" diff --git a/vendor/go.opentelemetry.io/otel/propagation/propagation.go b/vendor/go.opentelemetry.io/otel/propagation/propagation.go deleted file mode 100644 index 8c8286aab..000000000 --- a/vendor/go.opentelemetry.io/otel/propagation/propagation.go +++ /dev/null @@ -1,142 +0,0 @@ -// Copyright The OpenTelemetry Authors -// SPDX-License-Identifier: Apache-2.0 - -package propagation // import "go.opentelemetry.io/otel/propagation" - -import ( - "context" - "net/http" -) - -// TextMapCarrier is the storage medium used by a TextMapPropagator. -type TextMapCarrier interface { - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. - - // Get returns the value associated with the passed key. - Get(key string) string - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. - - // Set stores the key-value pair. - Set(key string, value string) - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. - - // Keys lists the keys stored in this carrier. - Keys() []string - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. -} - -// MapCarrier is a TextMapCarrier that uses a map held in memory as a storage -// medium for propagated key-value pairs. -type MapCarrier map[string]string - -// Compile time check that MapCarrier implements the TextMapCarrier. -var _ TextMapCarrier = MapCarrier{} - -// Get returns the value associated with the passed key. -func (c MapCarrier) Get(key string) string { - return c[key] -} - -// Set stores the key-value pair. -func (c MapCarrier) Set(key, value string) { - c[key] = value -} - -// Keys lists the keys stored in this carrier. -func (c MapCarrier) Keys() []string { - keys := make([]string, 0, len(c)) - for k := range c { - keys = append(keys, k) - } - return keys -} - -// HeaderCarrier adapts http.Header to satisfy the TextMapCarrier interface. -type HeaderCarrier http.Header - -// Get returns the value associated with the passed key. -func (hc HeaderCarrier) Get(key string) string { - return http.Header(hc).Get(key) -} - -// Set stores the key-value pair. -func (hc HeaderCarrier) Set(key string, value string) { - http.Header(hc).Set(key, value) -} - -// Keys lists the keys stored in this carrier. -func (hc HeaderCarrier) Keys() []string { - keys := make([]string, 0, len(hc)) - for k := range hc { - keys = append(keys, k) - } - return keys -} - -// TextMapPropagator propagates cross-cutting concerns as key-value text -// pairs within a carrier that travels in-band across process boundaries. -type TextMapPropagator interface { - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. - - // Inject set cross-cutting concerns from the Context into the carrier. - Inject(ctx context.Context, carrier TextMapCarrier) - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. - - // Extract reads cross-cutting concerns from the carrier into a Context. - Extract(ctx context.Context, carrier TextMapCarrier) context.Context - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. - - // Fields returns the keys whose values are set with Inject. - Fields() []string - // DO NOT CHANGE: any modification will not be backwards compatible and - // must never be done outside of a new major release. -} - -type compositeTextMapPropagator []TextMapPropagator - -func (p compositeTextMapPropagator) Inject(ctx context.Context, carrier TextMapCarrier) { - for _, i := range p { - i.Inject(ctx, carrier) - } -} - -func (p compositeTextMapPropagator) Extract(ctx context.Context, carrier TextMapCarrier) context.Context { - for _, i := range p { - ctx = i.Extract(ctx, carrier) - } - return ctx -} - -func (p compositeTextMapPropagator) Fields() []string { - unique := make(map[string]struct{}) - for _, i := range p { - for _, k := range i.Fields() { - unique[k] = struct{}{} - } - } - - fields := make([]string, 0, len(unique)) - for k := range unique { - fields = append(fields, k) - } - return fields -} - -// NewCompositeTextMapPropagator returns a unified TextMapPropagator from the -// group of passed TextMapPropagator. This allows different cross-cutting -// concerns to be propagates in a unified manner. -// -// The returned TextMapPropagator will inject and extract cross-cutting -// concerns in the order the TextMapPropagators were provided. Additionally, -// the Fields method will return a de-duplicated slice of the keys that are -// set with the Inject method. -func NewCompositeTextMapPropagator(p ...TextMapPropagator) TextMapPropagator { - return compositeTextMapPropagator(p) -} diff --git a/vendor/go.opentelemetry.io/otel/propagation/trace_context.go b/vendor/go.opentelemetry.io/otel/propagation/trace_context.go deleted file mode 100644 index 6870e316d..000000000 --- a/vendor/go.opentelemetry.io/otel/propagation/trace_context.go +++ /dev/null @@ -1,156 +0,0 @@ -// Copyright The OpenTelemetry Authors -// SPDX-License-Identifier: Apache-2.0 - -package propagation // import "go.opentelemetry.io/otel/propagation" - -import ( - "context" - "encoding/hex" - "fmt" - "strings" - - "go.opentelemetry.io/otel/trace" -) - -const ( - supportedVersion = 0 - maxVersion = 254 - traceparentHeader = "traceparent" - tracestateHeader = "tracestate" - delimiter = "-" -) - -// TraceContext is a propagator that supports the W3C Trace Context format -// (https://www.w3.org/TR/trace-context/) -// -// This propagator will propagate the traceparent and tracestate headers to -// guarantee traces are not broken. It is up to the users of this propagator -// to choose if they want to participate in a trace by modifying the -// traceparent header and relevant parts of the tracestate header containing -// their proprietary information. -type TraceContext struct{} - -var ( - _ TextMapPropagator = TraceContext{} - versionPart = fmt.Sprintf("%.2X", supportedVersion) -) - -// Inject injects the trace context from ctx into carrier. -func (tc TraceContext) Inject(ctx context.Context, carrier TextMapCarrier) { - sc := trace.SpanContextFromContext(ctx) - if !sc.IsValid() { - return - } - - if ts := sc.TraceState().String(); ts != "" { - carrier.Set(tracestateHeader, ts) - } - - // Clear all flags other than the trace-context supported sampling bit. - flags := sc.TraceFlags() & trace.FlagsSampled - - var sb strings.Builder - sb.Grow(2 + 32 + 16 + 2 + 3) - _, _ = sb.WriteString(versionPart) - traceID := sc.TraceID() - spanID := sc.SpanID() - flagByte := [1]byte{byte(flags)} - var buf [32]byte - for _, src := range [][]byte{traceID[:], spanID[:], flagByte[:]} { - _ = sb.WriteByte(delimiter[0]) - n := hex.Encode(buf[:], src) - _, _ = sb.Write(buf[:n]) - } - carrier.Set(traceparentHeader, sb.String()) -} - -// Extract reads tracecontext from the carrier into a returned Context. -// -// The returned Context will be a copy of ctx and contain the extracted -// tracecontext as the remote SpanContext. If the extracted tracecontext is -// invalid, the passed ctx will be returned directly instead. -func (tc TraceContext) Extract(ctx context.Context, carrier TextMapCarrier) context.Context { - sc := tc.extract(carrier) - if !sc.IsValid() { - return ctx - } - return trace.ContextWithRemoteSpanContext(ctx, sc) -} - -func (tc TraceContext) extract(carrier TextMapCarrier) trace.SpanContext { - h := carrier.Get(traceparentHeader) - if h == "" { - return trace.SpanContext{} - } - - var ver [1]byte - if !extractPart(ver[:], &h, 2) { - return trace.SpanContext{} - } - version := int(ver[0]) - if version > maxVersion { - return trace.SpanContext{} - } - - var scc trace.SpanContextConfig - if !extractPart(scc.TraceID[:], &h, 32) { - return trace.SpanContext{} - } - if !extractPart(scc.SpanID[:], &h, 16) { - return trace.SpanContext{} - } - - var opts [1]byte - if !extractPart(opts[:], &h, 2) { - return trace.SpanContext{} - } - if version == 0 && (h != "" || opts[0] > 2) { - // version 0 not allow extra - // version 0 not allow other flag - return trace.SpanContext{} - } - - // Clear all flags other than the trace-context supported sampling bit. - scc.TraceFlags = trace.TraceFlags(opts[0]) & trace.FlagsSampled - - // Ignore the error returned here. Failure to parse tracestate MUST NOT - // affect the parsing of traceparent according to the W3C tracecontext - // specification. - scc.TraceState, _ = trace.ParseTraceState(carrier.Get(tracestateHeader)) - scc.Remote = true - - sc := trace.NewSpanContext(scc) - if !sc.IsValid() { - return trace.SpanContext{} - } - - return sc -} - -// upperHex detect hex is upper case Unicode characters. -func upperHex(v string) bool { - for _, c := range v { - if c >= 'A' && c <= 'F' { - return true - } - } - return false -} - -func extractPart(dst []byte, h *string, n int) bool { - part, left, _ := strings.Cut(*h, delimiter) - *h = left - // hex.Decode decodes unsupported upper-case characters, so exclude explicitly. - if len(part) != n || upperHex(part) { - return false - } - if p, err := hex.Decode(dst, []byte(part)); err != nil || p != n/2 { - return false - } - return true -} - -// Fields returns the keys who's values are set with Inject. -func (tc TraceContext) Fields() []string { - return []string{traceparentHeader, tracestateHeader} -} |