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add otlp trace http exporter (#1963)
* add otlp trace http exporter * remove `WithTraces*` options * address discussions * run make precommit * rename WithURLPath option
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92 changes: 92 additions & 0 deletions
92
exporters/otlp/otlptrace/otlptracehttp/certificate_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| // Copyright The OpenTelemetry 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 | ||
| // | ||
| // 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 otlptracehttp_test | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "crypto/ecdsa" | ||
| "crypto/elliptic" | ||
| cryptorand "crypto/rand" | ||
| "crypto/x509" | ||
| "crypto/x509/pkix" | ||
| "encoding/pem" | ||
| "math/big" | ||
| mathrand "math/rand" | ||
| "net" | ||
| "time" | ||
| ) | ||
|
|
||
| type mathRandReader struct{} | ||
|
|
||
| func (mathRandReader) Read(p []byte) (n int, err error) { | ||
| return mathrand.Read(p) | ||
| } | ||
|
|
||
| var randReader mathRandReader | ||
|
|
||
| type pemCertificate struct { | ||
| Certificate []byte | ||
| PrivateKey []byte | ||
| } | ||
|
|
||
| // Based on https://golang.org/src/crypto/tls/generate_cert.go, | ||
| // simplified and weakened. | ||
| func generateWeakCertificate() (*pemCertificate, error) { | ||
| priv, err := ecdsa.GenerateKey(elliptic.P256(), randReader) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| keyUsage := x509.KeyUsageDigitalSignature | ||
| notBefore := time.Now() | ||
| notAfter := notBefore.Add(time.Hour) | ||
| serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) | ||
| serialNumber, err := cryptorand.Int(randReader, serialNumberLimit) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| template := x509.Certificate{ | ||
| SerialNumber: serialNumber, | ||
| Subject: pkix.Name{ | ||
| Organization: []string{"otel-go"}, | ||
| }, | ||
| NotBefore: notBefore, | ||
| NotAfter: notAfter, | ||
| KeyUsage: keyUsage, | ||
| ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, | ||
| BasicConstraintsValid: true, | ||
| DNSNames: []string{"localhost"}, | ||
| IPAddresses: []net.IP{net.IPv6loopback, net.IPv4(127, 0, 0, 1)}, | ||
| } | ||
| derBytes, err := x509.CreateCertificate(randReader, &template, &template, &priv.PublicKey, priv) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| certificateBuffer := new(bytes.Buffer) | ||
| if err := pem.Encode(certificateBuffer, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil { | ||
| return nil, err | ||
| } | ||
| privDERBytes, err := x509.MarshalPKCS8PrivateKey(priv) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| privBuffer := new(bytes.Buffer) | ||
| if err := pem.Encode(privBuffer, &pem.Block{Type: "PRIVATE KEY", Bytes: privDERBytes}); err != nil { | ||
| return nil, err | ||
| } | ||
| return &pemCertificate{ | ||
| Certificate: certificateBuffer.Bytes(), | ||
| PrivateKey: privBuffer.Bytes(), | ||
| }, nil | ||
| } |
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