Merge pull request #9525 from vrothberg/prune

[NO TESTS NEEDED] Prune and debloat

1 files changed, 0 insertions, 176 deletions

diff --git a/vendor/github.com/opentracing/opentracing-go/propagation.go b/vendor/github.com/opentracing/opentracing-go/propagation.go
deleted file mode 100644
index b0c275eb0..000000000
--- a/vendor/github.com/opentracing/opentracing-go/propagation.go
+++ /dev/null
@@ -1,176 +0,0 @@
-package opentracing
-
-import (
-	"errors"
-	"net/http"
-)
-
-///////////////////////////////////////////////////////////////////////////////
-// CORE PROPAGATION INTERFACES:
-///////////////////////////////////////////////////////////////////////////////
-
-var (
-	// ErrUnsupportedFormat occurs when the `format` passed to Tracer.Inject() or
-	// Tracer.Extract() is not recognized by the Tracer implementation.
-	ErrUnsupportedFormat = errors.New("opentracing: Unknown or unsupported Inject/Extract format")
-
-	// ErrSpanContextNotFound occurs when the `carrier` passed to
-	// Tracer.Extract() is valid and uncorrupted but has insufficient
-	// information to extract a SpanContext.
-	ErrSpanContextNotFound = errors.New("opentracing: SpanContext not found in Extract carrier")
-
-	// ErrInvalidSpanContext errors occur when Tracer.Inject() is asked to
-	// operate on a SpanContext which it is not prepared to handle (for
-	// example, since it was created by a different tracer implementation).
-	ErrInvalidSpanContext = errors.New("opentracing: SpanContext type incompatible with tracer")
-
-	// ErrInvalidCarrier errors occur when Tracer.Inject() or Tracer.Extract()
-	// implementations expect a different type of `carrier` than they are
-	// given.
-	ErrInvalidCarrier = errors.New("opentracing: Invalid Inject/Extract carrier")
-
-	// ErrSpanContextCorrupted occurs when the `carrier` passed to
-	// Tracer.Extract() is of the expected type but is corrupted.
-	ErrSpanContextCorrupted = errors.New("opentracing: SpanContext data corrupted in Extract carrier")
-)
-
-///////////////////////////////////////////////////////////////////////////////
-// BUILTIN PROPAGATION FORMATS:
-///////////////////////////////////////////////////////////////////////////////
-
-// BuiltinFormat is used to demarcate the values within package `opentracing`
-// that are intended for use with the Tracer.Inject() and Tracer.Extract()
-// methods.
-type BuiltinFormat byte
-
-const (
-	// Binary represents SpanContexts as opaque binary data.
-	//
-	// For Tracer.Inject(): the carrier must be an `io.Writer`.
-	//
-	// For Tracer.Extract(): the carrier must be an `io.Reader`.
-	Binary BuiltinFormat = iota
-
-	// TextMap represents SpanContexts as key:value string pairs.
-	//
-	// Unlike HTTPHeaders, the TextMap format does not restrict the key or
-	// value character sets in any way.
-	//
-	// For Tracer.Inject(): the carrier must be a `TextMapWriter`.
-	//
-	// For Tracer.Extract(): the carrier must be a `TextMapReader`.
-	TextMap
-
-	// HTTPHeaders represents SpanContexts as HTTP header string pairs.
-	//
-	// Unlike TextMap, the HTTPHeaders format requires that the keys and values
-	// be valid as HTTP headers as-is (i.e., character casing may be unstable
-	// and special characters are disallowed in keys, values should be
-	// URL-escaped, etc).
-	//
-	// For Tracer.Inject(): the carrier must be a `TextMapWriter`.
-	//
-	// For Tracer.Extract(): the carrier must be a `TextMapReader`.
-	//
-	// See HTTPHeadersCarrier for an implementation of both TextMapWriter
-	// and TextMapReader that defers to an http.Header instance for storage.
-	// For example, Inject():
-	//
-	//    carrier := opentracing.HTTPHeadersCarrier(httpReq.Header)
-	//    err := span.Tracer().Inject(
-	//        span.Context(), opentracing.HTTPHeaders, carrier)
-	//
-	// Or Extract():
-	//
-	//    carrier := opentracing.HTTPHeadersCarrier(httpReq.Header)
-	//    clientContext, err := tracer.Extract(
-	//        opentracing.HTTPHeaders, carrier)
-	//
-	HTTPHeaders
-)
-
-// TextMapWriter is the Inject() carrier for the TextMap builtin format. With
-// it, the caller can encode a SpanContext for propagation as entries in a map
-// of unicode strings.
-type TextMapWriter interface {
-	// Set a key:value pair to the carrier. Multiple calls to Set() for the
-	// same key leads to undefined behavior.
-	//
-	// NOTE: The backing store for the TextMapWriter may contain data unrelated
-	// to SpanContext. As such, Inject() and Extract() implementations that
-	// call the TextMapWriter and TextMapReader interfaces must agree on a
-	// prefix or other convention to distinguish their own key:value pairs.
-	Set(key, val string)
-}
-
-// TextMapReader is the Extract() carrier for the TextMap builtin format. With it,
-// the caller can decode a propagated SpanContext as entries in a map of
-// unicode strings.
-type TextMapReader interface {
-	// ForeachKey returns TextMap contents via repeated calls to the `handler`
-	// function. If any call to `handler` returns a non-nil error, ForeachKey
-	// terminates and returns that error.
-	//
-	// NOTE: The backing store for the TextMapReader may contain data unrelated
-	// to SpanContext. As such, Inject() and Extract() implementations that
-	// call the TextMapWriter and TextMapReader interfaces must agree on a
-	// prefix or other convention to distinguish their own key:value pairs.
-	//
-	// The "foreach" callback pattern reduces unnecessary copying in some cases
-	// and also allows implementations to hold locks while the map is read.
-	ForeachKey(handler func(key, val string) error) error
-}
-
-// TextMapCarrier allows the use of regular map[string]string
-// as both TextMapWriter and TextMapReader.
-type TextMapCarrier map[string]string
-
-// ForeachKey conforms to the TextMapReader interface.
-func (c TextMapCarrier) ForeachKey(handler func(key, val string) error) error {
-	for k, v := range c {
-		if err := handler(k, v); err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-// Set implements Set() of opentracing.TextMapWriter
-func (c TextMapCarrier) Set(key, val string) {
-	c[key] = val
-}
-
-// HTTPHeadersCarrier satisfies both TextMapWriter and TextMapReader.
-//
-// Example usage for server side:
-//
-//     carrier := opentracing.HTTPHeadersCarrier(httpReq.Header)
-//     clientContext, err := tracer.Extract(opentracing.HTTPHeaders, carrier)
-//
-// Example usage for client side:
-//
-//     carrier := opentracing.HTTPHeadersCarrier(httpReq.Header)
-//     err := tracer.Inject(
-//         span.Context(),
-//         opentracing.HTTPHeaders,
-//         carrier)
-//
-type HTTPHeadersCarrier http.Header
-
-// Set conforms to the TextMapWriter interface.
-func (c HTTPHeadersCarrier) Set(key, val string) {
-	h := http.Header(c)
-	h.Set(key, val)
-}
-
-// ForeachKey conforms to the TextMapReader interface.
-func (c HTTPHeadersCarrier) ForeachKey(handler func(key, val string) error) error {
-	for k, vals := range c {
-		for _, v := range vals {
-			if err := handler(k, v); err != nil {
-				return err
-			}
-		}
-	}
-	return nil
-}