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vendor: github.com/opentracing/opentracing-go v1.2.0 

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2020-11-17 11:57:17 +01:00 committed by Tibor Vass
parent 74d93d1fa2
commit 2c694b3233
15 changed files with 356 additions and 76 deletions
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2
vendor.conf
View File

@ -55,7 +55,7 @@ github.com/morikuni/aec 39771216ff4c63d11f5e604076f9
github.com/opencontainers/go-digest ea51bea511f75cfa3ef6098cc253c5c3609b037a # v1.0.0
github.com/opencontainers/image-spec d60099175f88c47cd379c4738d158884749ed235 # v1.0.1
github.com/opencontainers/runc ff819c7e9184c13b7c2607fe6c30ae19403a7aff # v1.0.0-rc92
github.com/opentracing/opentracing-go 1361b9cd60be79c4c3a7fa9841b3c132e40066a7
github.com/opentracing/opentracing-go d34af3eaa63c4d08ab54863a4bdd0daa45212e12 # v1.2.0
github.com/pkg/errors 614d223910a179a466c1767a985424175c39b465 # v0.9.1
github.com/prometheus/client_golang 6edbbd9e560190e318cdc5b4d3e630b442858380 # v1.6.0
github.com/prometheus/client_model 7bc5445566f0fe75b15de23e6b93886e982d7bf9 # v0.2.0

214
vendor/github.com/opentracing/opentracing-go/LICENSE generated vendored
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@ -1,21 +1,201 @@
The MIT License (MIT)
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Version 2.0, January 2004
http://www.apache.org/licenses/
Copyright (c) 2016 The OpenTracing Authors
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furnished to do so, subject to the following conditions:
1. Definitions.
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
"License" shall mean the terms and conditions for use, reproduction,
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
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6. Trademarks. This License does not grant permission to use the trade
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7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
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whether in tort (including negligence), contract, or otherwise,
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negligent acts) or agreed to in writing, shall any Contributor be
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incidental, or consequential damages of any character arising as a
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the Work or Derivative Works thereof, You may choose to offer,
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License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "{}"
replaced with your own identifying information. (Don't include
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Copyright 2016 The OpenTracing 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
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
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16
vendor/github.com/opentracing/opentracing-go/README.md generated vendored
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@ -8,8 +8,8 @@ This package is a Go platform API for OpenTracing.
## Required Reading
In order to understand the Go platform API, one must first be familiar with the
[OpenTracing project](http://opentracing.io) and
[terminology](http://opentracing.io/documentation/pages/spec.html) more specifically.
[OpenTracing project](https://opentracing.io) and
[terminology](https://opentracing.io/specification/) more specifically.
## API overview for those adding instrumentation
@ -27,7 +27,7 @@ The simplest starting point is `./default_tracer.go`. As early as possible, call
import ".../some_tracing_impl"
func main() {
opentracing.InitGlobalTracer(
opentracing.SetGlobalTracer(
// tracing impl specific:
some_tracing_impl.New(...),
)
@ -35,7 +35,7 @@ The simplest starting point is `./default_tracer.go`. As early as possible, call
}
```
##### Non-Singleton initialization
#### Non-Singleton initialization
If you prefer direct control to singletons, manage ownership of the
`opentracing.Tracer` implementation explicitly.
@ -161,3 +161,11 @@ Tracing system implementors may be able to reuse or copy-paste-modify the `basic
## API compatibility
For the time being, "mild" backwards-incompatible changes may be made without changing the major version number. As OpenTracing and `opentracing-go` mature, backwards compatibility will become more of a priority.
## Tracer test suite
A test suite is available in the [harness](https://godoc.org/github.com/opentracing/opentracing-go/harness) package that can assist Tracer implementors to assert that their Tracer is working correctly.
## Licensing
[Apache 2.0 License](./LICENSE).

24
vendor/github.com/opentracing/opentracing-go/ext.go generated vendored Normal file
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@ -0,0 +1,24 @@
package opentracing
import (
"context"
)
// TracerContextWithSpanExtension is an extension interface that the
// implementation of the Tracer interface may want to implement. It
// allows to have some control over the go context when the
// ContextWithSpan is invoked.
//
// The primary purpose of this extension are adapters from opentracing
// API to some other tracing API.
type TracerContextWithSpanExtension interface {
// ContextWithSpanHook gets called by the ContextWithSpan
// function, when the Tracer implementation also implements
// this interface. It allows to put extra information into the
// context and make it available to the callers of the
// ContextWithSpan.
//
// This hook is invoked before the ContextWithSpan function
// actually puts the span into the context.
ContextWithSpanHook(ctx context.Context, span Span) context.Context
}

17
vendor/github.com/opentracing/opentracing-go/ext/field.go generated vendored Normal file
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@ -0,0 +1,17 @@
package ext
import (
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/log"
)
// LogError sets the error=true tag on the Span and logs err as an "error" event.
func LogError(span opentracing.Span, err error, fields ...log.Field) {
Error.Set(span, true)
ef := []log.Field{
log.Event("error"),
log.Error(err),
}
ef = append(ef, fields...)
span.LogFields(ef...)
}

67
vendor/github.com/opentracing/opentracing-go/ext/tags.go generated vendored
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@ -1,6 +1,6 @@
package ext
import opentracing "github.com/opentracing/opentracing-go"
import "github.com/opentracing/opentracing-go"
// These constants define common tag names recommended for better portability across
// tracing systems and languages/platforms.
@ -47,40 +47,40 @@ var (
// Component is a low-cardinality identifier of the module, library,
// or package that is generating a span.
Component = stringTagName("component")
Component = StringTagName("component")
//////////////////////////////////////////////////////////////////////
// Sampling hint
//////////////////////////////////////////////////////////////////////
// SamplingPriority determines the priority of sampling this Span.
SamplingPriority = uint16TagName("sampling.priority")
SamplingPriority = Uint16TagName("sampling.priority")
//////////////////////////////////////////////////////////////////////
// Peer tags. These tags can be emitted by either client-side of
// Peer tags. These tags can be emitted by either client-side or
// server-side to describe the other side/service in a peer-to-peer
// communications, like an RPC call.
//////////////////////////////////////////////////////////////////////
// PeerService records the service name of the peer.
PeerService = stringTagName("peer.service")
PeerService = StringTagName("peer.service")
// PeerAddress records the address name of the peer. This may be a "ip:port",
// a bare "hostname", a FQDN or even a database DSN substring
// like "mysql://username@127.0.0.1:3306/dbname"
PeerAddress = stringTagName("peer.address")
PeerAddress = StringTagName("peer.address")
// PeerHostname records the host name of the peer
PeerHostname = stringTagName("peer.hostname")
PeerHostname = StringTagName("peer.hostname")
// PeerHostIPv4 records IP v4 host address of the peer
PeerHostIPv4 = ipv4Tag("peer.ipv4")
PeerHostIPv4 = IPv4TagName("peer.ipv4")
// PeerHostIPv6 records IP v6 host address of the peer
PeerHostIPv6 = stringTagName("peer.ipv6")
PeerHostIPv6 = StringTagName("peer.ipv6")
// PeerPort records port number of the peer
PeerPort = uint16TagName("peer.port")
PeerPort = Uint16TagName("peer.port")
//////////////////////////////////////////////////////////////////////
// HTTP Tags
@ -88,46 +88,46 @@ var (
// HTTPUrl should be the URL of the request being handled in this segment
// of the trace, in standard URI format. The protocol is optional.
HTTPUrl = stringTagName("http.url")
HTTPUrl = StringTagName("http.url")
// HTTPMethod is the HTTP method of the request, and is case-insensitive.
HTTPMethod = stringTagName("http.method")
HTTPMethod = StringTagName("http.method")
// HTTPStatusCode is the numeric HTTP status code (200, 404, etc) of the
// HTTP response.
HTTPStatusCode = uint16TagName("http.status_code")
HTTPStatusCode = Uint16TagName("http.status_code")
//////////////////////////////////////////////////////////////////////
// DB Tags
//////////////////////////////////////////////////////////////////////
// DBInstance is database instance name.
DBInstance = stringTagName("db.instance")
DBInstance = StringTagName("db.instance")
// DBStatement is a database statement for the given database type.
// It can be a query or a prepared statement (i.e., before substitution).
DBStatement = stringTagName("db.statement")
DBStatement = StringTagName("db.statement")
// DBType is a database type. For any SQL database, "sql".
// For others, the lower-case database category, e.g. "redis"
DBType = stringTagName("db.type")
DBType = StringTagName("db.type")
// DBUser is a username for accessing database.
DBUser = stringTagName("db.user")
DBUser = StringTagName("db.user")
//////////////////////////////////////////////////////////////////////
// Message Bus Tag
//////////////////////////////////////////////////////////////////////
// MessageBusDestination is an address at which messages can be exchanged
MessageBusDestination = stringTagName("message_bus.destination")
MessageBusDestination = StringTagName("message_bus.destination")
//////////////////////////////////////////////////////////////////////
// Error Tag
//////////////////////////////////////////////////////////////////////
// Error indicates that operation represented by the span resulted in an error.
Error = boolTagName("error")
Error = BoolTagName("error")
)
// ---
@ -163,48 +163,53 @@ func RPCServerOption(client opentracing.SpanContext) opentracing.StartSpanOption
// ---
type stringTagName string
// StringTagName is a common tag name to be set to a string value
type StringTagName string
// Set adds a string tag to the `span`
func (tag stringTagName) Set(span opentracing.Span, value string) {
func (tag StringTagName) Set(span opentracing.Span, value string) {
span.SetTag(string(tag), value)
}
// ---
type uint32TagName string
// Uint32TagName is a common tag name to be set to a uint32 value
type Uint32TagName string
// Set adds a uint32 tag to the `span`
func (tag uint32TagName) Set(span opentracing.Span, value uint32) {
func (tag Uint32TagName) Set(span opentracing.Span, value uint32) {
span.SetTag(string(tag), value)
}
// ---
type uint16TagName string
// Uint16TagName is a common tag name to be set to a uint16 value
type Uint16TagName string
// Set adds a uint16 tag to the `span`
func (tag uint16TagName) Set(span opentracing.Span, value uint16) {
func (tag Uint16TagName) Set(span opentracing.Span, value uint16) {
span.SetTag(string(tag), value)
}
// ---
type boolTagName string
// BoolTagName is a common tag name to be set to a bool value
type BoolTagName string
// Add adds a bool tag to the `span`
func (tag boolTagName) Set(span opentracing.Span, value bool) {
// Set adds a bool tag to the `span`
func (tag BoolTagName) Set(span opentracing.Span, value bool) {
span.SetTag(string(tag), value)
}
type ipv4Tag string
// IPv4TagName is a common tag name to be set to an ipv4 value
type IPv4TagName string
// Set adds IP v4 host address of the peer as an uint32 value to the `span`, keep this for backward and zipkin compatibility
func (tag ipv4Tag) Set(span opentracing.Span, value uint32) {
func (tag IPv4TagName) Set(span opentracing.Span, value uint32) {
span.SetTag(string(tag), value)
}
// SetString records IP v4 host address of the peer as a .-separated tuple to the `span`. E.g., "127.0.0.1"
func (tag ipv4Tag) SetString(span opentracing.Span, value string) {
func (tag IPv4TagName) SetString(span opentracing.Span, value string) {
span.SetTag(string(tag), value)
}

18
vendor/github.com/opentracing/opentracing-go/globaltracer.go generated vendored
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@ -1,7 +1,12 @@
package opentracing
type registeredTracer struct {
tracer Tracer
isRegistered bool
}
var (
globalTracer Tracer = NoopTracer{}
globalTracer = registeredTracer{NoopTracer{}, false}
)
// SetGlobalTracer sets the [singleton] opentracing.Tracer returned by
@ -11,22 +16,27 @@ var (
// Prior to calling `SetGlobalTracer`, any Spans started via the `StartSpan`
// (etc) globals are noops.
func SetGlobalTracer(tracer Tracer) {
globalTracer = tracer
globalTracer = registeredTracer{tracer, true}
}
// GlobalTracer returns the global singleton `Tracer` implementation.
// Before `SetGlobalTracer()` is called, the `GlobalTracer()` is a noop
// implementation that drops all data handed to it.
func GlobalTracer() Tracer {
return globalTracer
return globalTracer.tracer
}
// StartSpan defers to `Tracer.StartSpan`. See `GlobalTracer()`.
func StartSpan(operationName string, opts ...StartSpanOption) Span {
return globalTracer.StartSpan(operationName, opts...)
return globalTracer.tracer.StartSpan(operationName, opts...)
}
// InitGlobalTracer is deprecated. Please use SetGlobalTracer.
func InitGlobalTracer(tracer Tracer) {
SetGlobalTracer(tracer)
}
// IsGlobalTracerRegistered returns a `bool` to indicate if a tracer has been globally registered
func IsGlobalTracerRegistered() bool {
return globalTracer.isRegistered
}

5
vendor/github.com/opentracing/opentracing-go/go.mod generated vendored Normal file
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@ -0,0 +1,5 @@
module github.com/opentracing/opentracing-go
go 1.14
require github.com/stretchr/testify v1.3.0

26
vendor/github.com/opentracing/opentracing-go/gocontext.go generated vendored
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@ -1,14 +1,19 @@
package opentracing
import "golang.org/x/net/context"
import "context"
type contextKey struct{}
var activeSpanKey = contextKey{}
// ContextWithSpan returns a new `context.Context` that holds a reference to
// `span`'s SpanContext.
// the span. If span is nil, a new context without an active span is returned.
func ContextWithSpan(ctx context.Context, span Span) context.Context {
if span != nil {
if tracerWithHook, ok := span.Tracer().(TracerContextWithSpanExtension); ok {
ctx = tracerWithHook.ContextWithSpanHook(ctx, span)
}
}
return context.WithValue(ctx, activeSpanKey, span)
}
@ -41,17 +46,20 @@ func SpanFromContext(ctx context.Context) Span {
// ...
// }
func StartSpanFromContext(ctx context.Context, operationName string, opts ...StartSpanOption) (Span, context.Context) {
return startSpanFromContextWithTracer(ctx, GlobalTracer(), operationName, opts...)
return StartSpanFromContextWithTracer(ctx, GlobalTracer(), operationName, opts...)
}
// startSpanFromContextWithTracer is factored out for testing purposes.
func startSpanFromContextWithTracer(ctx context.Context, tracer Tracer, operationName string, opts ...StartSpanOption) (Span, context.Context) {
var span Span
// StartSpanFromContextWithTracer starts and returns a span with `operationName`
// using a span found within the context as a ChildOfRef. If that doesn't exist
// it creates a root span. It also returns a context.Context object built
// around the returned span.
//
// It's behavior is identical to StartSpanFromContext except that it takes an explicit
// tracer as opposed to using the global tracer.
func StartSpanFromContextWithTracer(ctx context.Context, tracer Tracer, operationName string, opts ...StartSpanOption) (Span, context.Context) {
if parentSpan := SpanFromContext(ctx); parentSpan != nil {
opts = append(opts, ChildOf(parentSpan.Context()))
span = tracer.StartSpan(operationName, opts...)
} else {
span = tracer.StartSpan(operationName, opts...)
}
span := tracer.StartSpan(operationName, opts...)
return span, ContextWithSpan(ctx, span)
}

17
vendor/github.com/opentracing/opentracing-go/log/field.go generated vendored
View File

@ -122,16 +122,19 @@ func Float64(key string, val float64) Field {
}
}
// Error adds an error with the key "error" to a Span.LogFields() record
// Error adds an error with the key "error.object" to a Span.LogFields() record
func Error(err error) Field {
return Field{
key: "error",
key: "error.object",
fieldType: errorType,
interfaceVal: err,
}
}
// Object adds an object-valued key:value pair to a Span.LogFields() record
// Please pass in an immutable object, otherwise there may be concurrency issues.
// Such as passing in the map, log.Object may result in "fatal error: concurrent map iteration and map write".
// Because span is sent asynchronously, it is possible that this map will also be modified.
func Object(key string, obj interface{}) Field {
return Field{
key: key,
@ -140,6 +143,16 @@ func Object(key string, obj interface{}) Field {
}
}
// Event creates a string-valued Field for span logs with key="event" and value=val.
func Event(val string) Field {
return String("event", val)
}
// Message creates a string-valued Field for span logs with key="message" and value=val.
func Message(val string) Field {
return String("message", val)
}
// LazyLogger allows for user-defined, late-bound logging of arbitrary data
type LazyLogger func(fv Encoder)

9
vendor/github.com/opentracing/opentracing-go/log/util.go generated vendored
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@ -1,6 +1,9 @@
package log
import "fmt"
import (
"fmt"
"reflect"
)
// InterleavedKVToFields converts keyValues a la Span.LogKV() to a Field slice
// a la Span.LogFields().
@ -46,6 +49,10 @@ func InterleavedKVToFields(keyValues ...interface{}) ([]Field, error) {
case float64:
fields[i] = Float64(key, typedVal)
default:
if typedVal == nil || (reflect.ValueOf(typedVal).Kind() == reflect.Ptr && reflect.ValueOf(typedVal).IsNil()) {
fields[i] = String(key, "nil")
continue
}
// When in doubt, coerce to a string
fields[i] = String(key, fmt.Sprint(typedVal))
}

8
vendor/github.com/opentracing/opentracing-go/noop.go generated vendored
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@ -21,9 +21,9 @@ type noopSpan struct{}
type noopSpanContext struct{}
var (
defaultNoopSpanContext = noopSpanContext{}
defaultNoopSpan = noopSpan{}
defaultNoopTracer = NoopTracer{}
defaultNoopSpanContext SpanContext = noopSpanContext{}
defaultNoopSpan Span = noopSpan{}
defaultNoopTracer Tracer = NoopTracer{}
)
const (
@ -35,7 +35,7 @@ func (n noopSpanContext) ForeachBaggageItem(handler func(k, v string) bool) {}
// noopSpan:
func (n noopSpan) Context() SpanContext { return defaultNoopSpanContext }
func (n noopSpan) SetBaggageItem(key, val string) Span { return defaultNoopSpan }
func (n noopSpan) SetBaggageItem(key, val string) Span { return n }
func (n noopSpan) BaggageItem(key string) string { return emptyString }
func (n noopSpan) SetTag(key string, value interface{}) Span { return n }
func (n noopSpan) LogFields(fields ...log.Field) {}

2
vendor/github.com/opentracing/opentracing-go/propagation.go generated vendored
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@ -160,7 +160,7 @@ type HTTPHeadersCarrier http.Header
// Set conforms to the TextMapWriter interface.
func (c HTTPHeadersCarrier) Set(key, val string) {
h := http.Header(c)
h.Add(key, val)
h.Set(key, val)
}
// ForeachKey conforms to the TextMapReader interface.

4
vendor/github.com/opentracing/opentracing-go/span.go generated vendored
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@ -41,6 +41,8 @@ type Span interface {
Context() SpanContext
// Sets or changes the operation name.
//
// Returns a reference to this Span for chaining.
SetOperationName(operationName string) Span
// Adds a tag to the span.
@ -51,6 +53,8 @@ type Span interface {
// other tag value types is undefined at the OpenTracing level. If a
// tracing system does not know how to handle a particular value type, it
// may ignore the tag, but shall not panic.
//
// Returns a reference to this Span for chaining.
SetTag(key string, value interface{}) Span
// LogFields is an efficient and type-checked way to record key:value

3
vendor/github.com/opentracing/opentracing-go/tracer.go generated vendored
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@ -44,8 +44,7 @@ type Tracer interface {
// and each has an expected carrier type.
//
// Other packages may declare their own `format` values, much like the keys
// used by `context.Context` (see
// https://godoc.org/golang.org/x/net/context#WithValue).
// used by `context.Context` (see https://godoc.org/context#WithValue).
//
// Example usage (sans error handling):
//