mirror of
https://github.com/letic/terraform-provider-google.git
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961c878e0d
Switch to using Go modules. This migrates our vendor.json to use Go 1.11's modules system, and replaces the vendor folder with the output of go mod vendor. The vendored code should remain basically the same; I believe some tree shaking of packages and support scripts/licenses/READMEs/etc. happened. This also fixes Travis and our Makefile to no longer use govendor.
52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
// Copyright 2018, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ochttp
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import (
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"net/http"
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"go.opencensus.io/tag"
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)
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// WithRouteTag returns an http.Handler that records stats with the
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// http_server_route tag set to the given value.
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func WithRouteTag(handler http.Handler, route string) http.Handler {
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return taggedHandlerFunc(func(w http.ResponseWriter, r *http.Request) []tag.Mutator {
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addRoute := []tag.Mutator{tag.Upsert(KeyServerRoute, route)}
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ctx, _ := tag.New(r.Context(), addRoute...)
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r = r.WithContext(ctx)
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handler.ServeHTTP(w, r)
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return addRoute
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})
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}
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// taggedHandlerFunc is a http.Handler that returns tags describing the
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// processing of the request. These tags will be recorded along with the
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// measures in this package at the end of the request.
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type taggedHandlerFunc func(w http.ResponseWriter, r *http.Request) []tag.Mutator
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func (h taggedHandlerFunc) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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tags := h(w, r)
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if a, ok := r.Context().Value(addedTagsKey{}).(*addedTags); ok {
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a.t = append(a.t, tags...)
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}
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}
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type addedTagsKey struct{}
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type addedTags struct {
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t []tag.Mutator
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}
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