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9eaf824398
* add jaeger support, link hot container & req span * adds jaeger support now with FN_JAEGER_URL, there's a simple tutorial in the operating/metrics.md file now and it's pretty easy to get up and running. * links a hot request span to a hot container span. when we change this to sample at a lower ratio we'll need to finagle the hot container span to always sample or something, otherwise we'll hide that info. at least, since we're sampling at 100% for now if this is flipped on, can see freeze/unfreeze etc. if they hit. this is useful for debugging. note that zipkin's exporter does not follow the link at all, hence jaeger... and they're backed by the Cloud Empire now (CNCF) so we'll probably use it anyway. * vendor: add thrift for jaeger
29 lines
705 B
Go
29 lines
705 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package gensupport
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import (
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"fmt"
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"runtime"
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"strings"
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"testing"
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)
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func TestGoogleClientHeader(t *testing.T) {
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const genVersion = "20170101"
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gv := strings.Replace(runtime.Version(), " ", "_", -1)
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got := GoogleClientHeader(genVersion, "gccl/xyz")
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want := fmt.Sprintf("gl-go/%s gccl/xyz gdcl/%s", gv, genVersion)
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if got != want {
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t.Errorf("got %q, want %q", got, want)
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}
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got = GoogleClientHeader(genVersion, "")
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want = fmt.Sprintf("gl-go/%s gdcl/%s", gv, genVersion)
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if got != want {
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t.Errorf("got %q, want %q", got, want)
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}
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}
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