homelab/traefik
1
0
Fork 0
Code Activity

Switch to golang/dep.

Browse source
This commit is contained in:
Ludovic Fernandez 2018-01-11 17:46:04 +01:00 • committed by Traefiker
parent 709d50836b
commit 2618aef008
246 changed files with 42564 additions and 17452 deletions
Download patch file Download diff file Expand all files Collapse all files

27
vendor/github.com/opentracing-contrib/go-stdlib/LICENSE generated vendored
View file

@ -1,27 +0,0 @@
Copyright (c) 2016, opentracing-contrib
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of go-stdlib nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

294
vendor/github.com/opentracing-contrib/go-stdlib/nethttp/client.go generated vendored
View file

@ -1,294 +0,0 @@
// +build go1.7
package nethttp
import (
"context"
"io"
"net/http"
"net/http/httptrace"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/ext"
"github.com/opentracing/opentracing-go/log"
)
type contextKey int
const (
keyTracer contextKey = iota
)
const defaultComponentName = "net/http"
// Transport wraps a RoundTripper. If a request is being traced with
// Tracer, Transport will inject the current span into the headers,
// and set HTTP related tags on the span.
type Transport struct {
// The actual RoundTripper to use for the request. A nil
// RoundTripper defaults to http.DefaultTransport.
http.RoundTripper
}
type clientOptions struct {
operationName string
componentName string
disableClientTrace bool
}
// ClientOption contols the behavior of TraceRequest.
type ClientOption func(*clientOptions)
// OperationName returns a ClientOption that sets the operation
// name for the client-side span.
func OperationName(operationName string) ClientOption {
return func(options *clientOptions) {
options.operationName = operationName
}
}
// ComponentName returns a ClientOption that sets the component
// name for the client-side span.
func ComponentName(componentName string) ClientOption {
return func(options *clientOptions) {
options.componentName = componentName
}
}
// ClientTrace returns a ClientOption that turns on or off
// extra instrumentation via httptrace.WithClientTrace.
func ClientTrace(enabled bool) ClientOption {
return func(options *clientOptions) {
options.disableClientTrace = !enabled
}
}
// TraceRequest adds a ClientTracer to req, tracing the request and
// all requests caused due to redirects. When tracing requests this
// way you must also use Transport.
//
// Example:
//
// func AskGoogle(ctx context.Context) error {
// client := &http.Client{Transport: &nethttp.Transport{}}
// req, err := http.NewRequest("GET", "http://google.com", nil)
// if err != nil {
// return err
// }
// req = req.WithContext(ctx) // extend existing trace, if any
//
// req, ht := nethttp.TraceRequest(tracer, req)
// defer ht.Finish()
//
// res, err := client.Do(req)
// if err != nil {
// return err
// }
// res.Body.Close()
// return nil
// }
func TraceRequest(tr opentracing.Tracer, req *http.Request, options ...ClientOption) (*http.Request, *Tracer) {
opts := &clientOptions{}
for _, opt := range options {
opt(opts)
}
ht := &Tracer{tr: tr, opts: opts}
ctx := req.Context()
if !opts.disableClientTrace {
ctx = httptrace.WithClientTrace(ctx, ht.clientTrace())
}
req = req.WithContext(context.WithValue(ctx, keyTracer, ht))
return req, ht
}
type closeTracker struct {
io.ReadCloser
sp opentracing.Span
}
func (c closeTracker) Close() error {
err := c.ReadCloser.Close()
c.sp.LogFields(log.String("event", "ClosedBody"))
c.sp.Finish()
return err
}
// RoundTrip implements the RoundTripper interface.
func (t *Transport) RoundTrip(req *http.Request) (*http.Response, error) {
rt := t.RoundTripper
if rt == nil {
rt = http.DefaultTransport
}
tracer, ok := req.Context().Value(keyTracer).(*Tracer)
if !ok {
return rt.RoundTrip(req)
}
tracer.start(req)
ext.HTTPMethod.Set(tracer.sp, req.Method)
ext.HTTPUrl.Set(tracer.sp, req.URL.String())
carrier := opentracing.HTTPHeadersCarrier(req.Header)
tracer.sp.Tracer().Inject(tracer.sp.Context(), opentracing.HTTPHeaders, carrier)
resp, err := rt.RoundTrip(req)
if err != nil {
tracer.sp.Finish()
return resp, err
}
ext.HTTPStatusCode.Set(tracer.sp, uint16(resp.StatusCode))
if req.Method == "HEAD" {
tracer.sp.Finish()
} else {
resp.Body = closeTracker{resp.Body, tracer.sp}
}
return resp, nil
}
// Tracer holds tracing details for one HTTP request.
type Tracer struct {
tr opentracing.Tracer
root opentracing.Span
sp opentracing.Span
opts *clientOptions
}
func (h *Tracer) start(req *http.Request) opentracing.Span {
if h.root == nil {
parent := opentracing.SpanFromContext(req.Context())
var spanctx opentracing.SpanContext
if parent != nil {
spanctx = parent.Context()
}
operationName := h.opts.operationName
if operationName == "" {
operationName = "HTTP Client"
}
root := h.tr.StartSpan(operationName, opentracing.ChildOf(spanctx))
h.root = root
}
ctx := h.root.Context()
h.sp = h.tr.StartSpan("HTTP "+req.Method, opentracing.ChildOf(ctx))
ext.SpanKindRPCClient.Set(h.sp)
componentName := h.opts.componentName
if componentName == "" {
componentName = defaultComponentName
}
ext.Component.Set(h.sp, componentName)
return h.sp
}
// Finish finishes the span of the traced request.
func (h *Tracer) Finish() {
if h.root != nil {
h.root.Finish()
}
}
// Span returns the root span of the traced request. This function
// should only be called after the request has been executed.
func (h *Tracer) Span() opentracing.Span {
return h.root
}
func (h *Tracer) clientTrace() *httptrace.ClientTrace {
return &httptrace.ClientTrace{
GetConn: h.getConn,
GotConn: h.gotConn,
PutIdleConn: h.putIdleConn,
GotFirstResponseByte: h.gotFirstResponseByte,
Got100Continue: h.got100Continue,
DNSStart: h.dnsStart,
DNSDone: h.dnsDone,
ConnectStart: h.connectStart,
ConnectDone: h.connectDone,
WroteHeaders: h.wroteHeaders,
Wait100Continue: h.wait100Continue,
WroteRequest: h.wroteRequest,
}
}
func (h *Tracer) getConn(hostPort string) {
ext.HTTPUrl.Set(h.sp, hostPort)
h.sp.LogFields(log.String("event", "GetConn"))
}
func (h *Tracer) gotConn(info httptrace.GotConnInfo) {
h.sp.SetTag("net/http.reused", info.Reused)
h.sp.SetTag("net/http.was_idle", info.WasIdle)
h.sp.LogFields(log.String("event", "GotConn"))
}
func (h *Tracer) putIdleConn(error) {
h.sp.LogFields(log.String("event", "PutIdleConn"))
}
func (h *Tracer) gotFirstResponseByte() {
h.sp.LogFields(log.String("event", "GotFirstResponseByte"))
}
func (h *Tracer) got100Continue() {
h.sp.LogFields(log.String("event", "Got100Continue"))
}
func (h *Tracer) dnsStart(info httptrace.DNSStartInfo) {
h.sp.LogFields(
log.String("event", "DNSStart"),
log.String("host", info.Host),
)
}
func (h *Tracer) dnsDone(httptrace.DNSDoneInfo) {
h.sp.LogFields(log.String("event", "DNSDone"))
}
func (h *Tracer) connectStart(network, addr string) {
h.sp.LogFields(
log.String("event", "ConnectStart"),
log.String("network", network),
log.String("addr", addr),
)
}
func (h *Tracer) connectDone(network, addr string, err error) {
if err != nil {
h.sp.LogFields(
log.String("message", "ConnectDone"),
log.String("network", network),
log.String("addr", addr),
log.String("event", "error"),
log.Error(err),
)
} else {
h.sp.LogFields(
log.String("event", "ConnectDone"),
log.String("network", network),
log.String("addr", addr),
)
}
}
func (h *Tracer) wroteHeaders() {
h.sp.LogFields(log.String("event", "WroteHeaders"))
}
func (h *Tracer) wait100Continue() {
h.sp.LogFields(log.String("event", "Wait100Continue"))
}
func (h *Tracer) wroteRequest(info httptrace.WroteRequestInfo) {
if info.Err != nil {
h.sp.LogFields(
log.String("message", "WroteRequest"),
log.String("event", "error"),
log.Error(info.Err),
)
ext.Error.Set(h.sp, true)
} else {
h.sp.LogFields(log.String("event", "WroteRequest"))
}
}

3
vendor/github.com/opentracing-contrib/go-stdlib/nethttp/doc.go generated vendored
View file

@ -1,3 +0,0 @@
// Package nethttp provides OpenTracing instrumentation for the
// net/http package.
package nethttp

96
vendor/github.com/opentracing-contrib/go-stdlib/nethttp/server.go generated vendored
View file

@ -1,96 +0,0 @@
// +build go1.7
package nethttp
import (
"net/http"
opentracing "github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/ext"
)
type statusCodeTracker struct {
http.ResponseWriter
status int
}
func (w *statusCodeTracker) WriteHeader(status int) {
w.status = status
w.ResponseWriter.WriteHeader(status)
}
type mwOptions struct {
opNameFunc func(r *http.Request) string
componentName string
}
// MWOption controls the behavior of the Middleware.
type MWOption func(*mwOptions)
// OperationNameFunc returns a MWOption that uses given function f
// to generate operation name for each server-side span.
func OperationNameFunc(f func(r *http.Request) string) MWOption {
return func(options *mwOptions) {
options.opNameFunc = f
}
}
// MWComponentName returns a MWOption that sets the component name
// name for the server-side span.
func MWComponentName(componentName string) MWOption {
return func(options *mwOptions) {
options.componentName = componentName
}
}
// Middleware wraps an http.Handler and traces incoming requests.
// Additionally, it adds the span to the request's context.
//
// By default, the operation name of the spans is set to "HTTP {method}".
// This can be overriden with options.
//
// Example:
// http.ListenAndServe("localhost:80", nethttp.Middleware(tracer, http.DefaultServeMux))
//
// The options allow fine tuning the behavior of the middleware.
//
// Example:
// mw := nethttp.Middleware(
// tracer,
// http.DefaultServeMux,
// nethttp.OperationName(func(r *http.Request) string {
// return "HTTP " + r.Method + ":/api/customers"
// }),
// )
func Middleware(tr opentracing.Tracer, h http.Handler, options ...MWOption) http.Handler {
opts := mwOptions{
opNameFunc: func(r *http.Request) string {
return "HTTP " + r.Method
},
}
for _, opt := range options {
opt(&opts)
}
fn := func(w http.ResponseWriter, r *http.Request) {
ctx, _ := tr.Extract(opentracing.HTTPHeaders, opentracing.HTTPHeadersCarrier(r.Header))
sp := tr.StartSpan(opts.opNameFunc(r), ext.RPCServerOption(ctx))
ext.HTTPMethod.Set(sp, r.Method)
ext.HTTPUrl.Set(sp, r.URL.String())
// set component name, use "net/http" if caller does not specify
componentName := opts.componentName
if componentName == "" {
componentName = defaultComponentName
}
ext.Component.Set(sp, componentName)
w = &statusCodeTracker{w, 200}
r = r.WithContext(opentracing.ContextWithSpan(r.Context(), sp))
h.ServeHTTP(w, r)
ext.HTTPStatusCode.Set(sp, uint16(w.(*statusCodeTracker).status))
sp.Finish()
}
return http.HandlerFunc(fn)
}