turn hidden --trace into a NOP

The --trace has helped in early stages analyze Podman code.  However,
it's contributing to dependency and binary bloat.  The standard go
tooling can also help in profiling, so let's turn `--trace` into a NOP.

[NO TESTS NEEDED]

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 0 insertions, 329 deletions

diff --git a/vendor/github.com/uber/jaeger-client-go/zipkin_thrift_span.go b/vendor/github.com/uber/jaeger-client-go/zipkin_thrift_span.go
deleted file mode 100644
index 73aeb000f..000000000
--- a/vendor/github.com/uber/jaeger-client-go/zipkin_thrift_span.go
+++ /dev/null
@@ -1,329 +0,0 @@
-// Copyright (c) 2017 Uber Technologies, Inc.
-//
-// 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 jaeger
-
-import (
-	"encoding/binary"
-	"fmt"
-	"time"
-
-	"github.com/opentracing/opentracing-go/ext"
-
-	"github.com/uber/jaeger-client-go/internal/spanlog"
-	z "github.com/uber/jaeger-client-go/thrift-gen/zipkincore"
-	"github.com/uber/jaeger-client-go/utils"
-)
-
-const (
-	// Zipkin UI does not work well with non-string tag values
-	allowPackedNumbers = false
-)
-
-var specialTagHandlers = map[string]func(*zipkinSpan, interface{}){
-	string(ext.SpanKind):     setSpanKind,
-	string(ext.PeerHostIPv4): setPeerIPv4,
-	string(ext.PeerPort):     setPeerPort,
-	string(ext.PeerService):  setPeerService,
-	TracerIPTagKey:           removeTag,
-}
-
-// BuildZipkinThrift builds thrift span based on internal span.
-// TODO: (breaking change) move to transport/zipkin and make private.
-func BuildZipkinThrift(s *Span) *z.Span {
-	span := &zipkinSpan{Span: s}
-	span.handleSpecialTags()
-	parentID := int64(span.context.parentID)
-	var ptrParentID *int64
-	if parentID != 0 {
-		ptrParentID = &parentID
-	}
-	traceIDHigh := int64(span.context.traceID.High)
-	var ptrTraceIDHigh *int64
-	if traceIDHigh != 0 {
-		ptrTraceIDHigh = &traceIDHigh
-	}
-	timestamp := utils.TimeToMicrosecondsSinceEpochInt64(span.startTime)
-	duration := span.duration.Nanoseconds() / int64(time.Microsecond)
-	endpoint := &z.Endpoint{
-		ServiceName: span.tracer.serviceName,
-		Ipv4:        int32(span.tracer.hostIPv4)}
-	thriftSpan := &z.Span{
-		TraceID:           int64(span.context.traceID.Low),
-		TraceIDHigh:       ptrTraceIDHigh,
-		ID:                int64(span.context.spanID),
-		ParentID:          ptrParentID,
-		Name:              span.operationName,
-		Timestamp:         &timestamp,
-		Duration:          &duration,
-		Debug:             span.context.IsDebug(),
-		Annotations:       buildAnnotations(span, endpoint),
-		BinaryAnnotations: buildBinaryAnnotations(span, endpoint)}
-	return thriftSpan
-}
-
-func buildAnnotations(span *zipkinSpan, endpoint *z.Endpoint) []*z.Annotation {
-	// automatically adding 2 Zipkin CoreAnnotations
-	annotations := make([]*z.Annotation, 0, 2+len(span.logs))
-	var startLabel, endLabel string
-	if span.spanKind == string(ext.SpanKindRPCClientEnum) {
-		startLabel, endLabel = z.CLIENT_SEND, z.CLIENT_RECV
-	} else if span.spanKind == string(ext.SpanKindRPCServerEnum) {
-		startLabel, endLabel = z.SERVER_RECV, z.SERVER_SEND
-	}
-	if !span.startTime.IsZero() && startLabel != "" {
-		start := &z.Annotation{
-			Timestamp: utils.TimeToMicrosecondsSinceEpochInt64(span.startTime),
-			Value:     startLabel,
-			Host:      endpoint}
-		annotations = append(annotations, start)
-		if span.duration != 0 {
-			endTs := span.startTime.Add(span.duration)
-			end := &z.Annotation{
-				Timestamp: utils.TimeToMicrosecondsSinceEpochInt64(endTs),
-				Value:     endLabel,
-				Host:      endpoint}
-			annotations = append(annotations, end)
-		}
-	}
-	for _, log := range span.logs {
-		anno := &z.Annotation{
-			Timestamp: utils.TimeToMicrosecondsSinceEpochInt64(log.Timestamp),
-			Host:      endpoint}
-		if content, err := spanlog.MaterializeWithJSON(log.Fields); err == nil {
-			anno.Value = truncateString(string(content), span.tracer.options.maxTagValueLength)
-		} else {
-			anno.Value = err.Error()
-		}
-		annotations = append(annotations, anno)
-	}
-	return annotations
-}
-
-func buildBinaryAnnotations(span *zipkinSpan, endpoint *z.Endpoint) []*z.BinaryAnnotation {
-	// automatically adding local component or server/client address tag, and client version
-	annotations := make([]*z.BinaryAnnotation, 0, 2+len(span.tags))
-
-	if span.peerDefined() && span.isRPC() {
-		peer := z.Endpoint{
-			Ipv4:        span.peer.Ipv4,
-			Port:        span.peer.Port,
-			ServiceName: span.peer.ServiceName}
-		label := z.CLIENT_ADDR
-		if span.isRPCClient() {
-			label = z.SERVER_ADDR
-		}
-		anno := &z.BinaryAnnotation{
-			Key:            label,
-			Value:          []byte{1},
-			AnnotationType: z.AnnotationType_BOOL,
-			Host:           &peer}
-		annotations = append(annotations, anno)
-	}
-	if !span.isRPC() {
-		componentName := endpoint.ServiceName
-		for _, tag := range span.tags {
-			if tag.key == string(ext.Component) {
-				componentName = stringify(tag.value)
-				break
-			}
-		}
-		local := &z.BinaryAnnotation{
-			Key:            z.LOCAL_COMPONENT,
-			Value:          []byte(componentName),
-			AnnotationType: z.AnnotationType_STRING,
-			Host:           endpoint}
-		annotations = append(annotations, local)
-	}
-	for _, tag := range span.tags {
-		// "Special tags" are already handled by this point, we'd be double reporting the
-		// tags if we don't skip here
-		if _, ok := specialTagHandlers[tag.key]; ok {
-			continue
-		}
-		if anno := buildBinaryAnnotation(tag.key, tag.value, span.tracer.options.maxTagValueLength, nil); anno != nil {
-			annotations = append(annotations, anno)
-		}
-	}
-	return annotations
-}
-
-func buildBinaryAnnotation(key string, val interface{}, maxTagValueLength int, endpoint *z.Endpoint) *z.BinaryAnnotation {
-	bann := &z.BinaryAnnotation{Key: key, Host: endpoint}
-	if value, ok := val.(string); ok {
-		bann.Value = []byte(truncateString(value, maxTagValueLength))
-		bann.AnnotationType = z.AnnotationType_STRING
-	} else if value, ok := val.([]byte); ok {
-		if len(value) > maxTagValueLength {
-			value = value[:maxTagValueLength]
-		}
-		bann.Value = value
-		bann.AnnotationType = z.AnnotationType_BYTES
-	} else if value, ok := val.(int32); ok && allowPackedNumbers {
-		bann.Value = int32ToBytes(value)
-		bann.AnnotationType = z.AnnotationType_I32
-	} else if value, ok := val.(int64); ok && allowPackedNumbers {
-		bann.Value = int64ToBytes(value)
-		bann.AnnotationType = z.AnnotationType_I64
-	} else if value, ok := val.(int); ok && allowPackedNumbers {
-		bann.Value = int64ToBytes(int64(value))
-		bann.AnnotationType = z.AnnotationType_I64
-	} else if value, ok := val.(bool); ok {
-		bann.Value = []byte{boolToByte(value)}
-		bann.AnnotationType = z.AnnotationType_BOOL
-	} else {
-		value := stringify(val)
-		bann.Value = []byte(truncateString(value, maxTagValueLength))
-		bann.AnnotationType = z.AnnotationType_STRING
-	}
-	return bann
-}
-
-func stringify(value interface{}) string {
-	if s, ok := value.(string); ok {
-		return s
-	}
-	return fmt.Sprintf("%+v", value)
-}
-
-func truncateString(value string, maxLength int) string {
-	// we ignore the problem of utf8 runes possibly being sliced in the middle,
-	// as it is rather expensive to iterate through each tag just to find rune
-	// boundaries.
-	if len(value) > maxLength {
-		return value[:maxLength]
-	}
-	return value
-}
-
-func boolToByte(b bool) byte {
-	if b {
-		return 1
-	}
-	return 0
-}
-
-// int32ToBytes converts int32 to bytes.
-func int32ToBytes(i int32) []byte {
-	buf := make([]byte, 4)
-	binary.BigEndian.PutUint32(buf, uint32(i))
-	return buf
-}
-
-// int64ToBytes converts int64 to bytes.
-func int64ToBytes(i int64) []byte {
-	buf := make([]byte, 8)
-	binary.BigEndian.PutUint64(buf, uint64(i))
-	return buf
-}
-
-type zipkinSpan struct {
-	*Span
-
-	// peer points to the peer service participating in this span,
-	// e.g. the Client if this span is a server span,
-	// or Server if this span is a client span
-	peer struct {
-		Ipv4        int32
-		Port        int16
-		ServiceName string
-	}
-
-	// used to distinguish local vs. RPC Server vs. RPC Client spans
-	spanKind string
-}
-
-func (s *zipkinSpan) handleSpecialTags() {
-	s.Lock()
-	defer s.Unlock()
-	if s.firstInProcess {
-		// append the process tags
-		s.tags = append(s.tags, s.tracer.tags...)
-	}
-	filteredTags := make([]Tag, 0, len(s.tags))
-	for _, tag := range s.tags {
-		if handler, ok := specialTagHandlers[tag.key]; ok {
-			handler(s, tag.value)
-		} else {
-			filteredTags = append(filteredTags, tag)
-		}
-	}
-	s.tags = filteredTags
-}
-
-func setSpanKind(s *zipkinSpan, value interface{}) {
-	if val, ok := value.(string); ok {
-		s.spanKind = val
-		return
-	}
-	if val, ok := value.(ext.SpanKindEnum); ok {
-		s.spanKind = string(val)
-	}
-}
-
-func setPeerIPv4(s *zipkinSpan, value interface{}) {
-	if val, ok := value.(string); ok {
-		if ip, err := utils.ParseIPToUint32(val); err == nil {
-			s.peer.Ipv4 = int32(ip)
-			return
-		}
-	}
-	if val, ok := value.(uint32); ok {
-		s.peer.Ipv4 = int32(val)
-		return
-	}
-	if val, ok := value.(int32); ok {
-		s.peer.Ipv4 = val
-	}
-}
-
-func setPeerPort(s *zipkinSpan, value interface{}) {
-	if val, ok := value.(string); ok {
-		if port, err := utils.ParsePort(val); err == nil {
-			s.peer.Port = int16(port)
-			return
-		}
-	}
-	if val, ok := value.(uint16); ok {
-		s.peer.Port = int16(val)
-		return
-	}
-	if val, ok := value.(int); ok {
-		s.peer.Port = int16(val)
-	}
-}
-
-func setPeerService(s *zipkinSpan, value interface{}) {
-	if val, ok := value.(string); ok {
-		s.peer.ServiceName = val
-	}
-}
-
-func removeTag(s *zipkinSpan, value interface{}) {}
-
-func (s *zipkinSpan) peerDefined() bool {
-	return s.peer.ServiceName != "" || s.peer.Ipv4 != 0 || s.peer.Port != 0
-}
-
-func (s *zipkinSpan) isRPC() bool {
-	s.RLock()
-	defer s.RUnlock()
-	return s.spanKind == string(ext.SpanKindRPCClientEnum) || s.spanKind == string(ext.SpanKindRPCServerEnum)
-}
-
-func (s *zipkinSpan) isRPCClient() bool {
-	s.RLock()
-	defer s.RUnlock()
-	return s.spanKind == string(ext.SpanKindRPCClientEnum)
-}