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forgejo/modules/opentelemetry/otel_test.go

122 lines
3.5 KiB
Go

// Copyright 2024 TheFox0x7. All rights reserved.
// SPDX-License-Identifier: EUPL-1.2
package opentelemetry
import (
"context"
"crypto/ed25519"
"crypto/rand"
"crypto/tls"
"crypto/x509"
"crypto/x509/pkix"
"encoding/pem"
"math/big"
"net"
"os"
"strings"
"testing"
"time"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/test"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/sdk/trace/tracetest"
)
func TestNoopDefault(t *testing.T) {
inMem := tracetest.NewInMemoryExporter()
called := false
exp := func(ctx context.Context) (sdktrace.SpanExporter, error) {
called = true
return inMem, nil
}
exporter["inmemory"] = exp
t.Cleanup(func() {
delete(exporter, "inmemory")
})
defer test.MockVariableValue(&setting.OpenTelemetry.Traces, "inmemory")
ctx := context.Background()
require.NoError(t, Init(ctx))
tracer := otel.Tracer("test_noop")
_, span := tracer.Start(ctx, "test span")
defer span.End()
assert.False(t, span.SpanContext().HasTraceID())
assert.False(t, span.SpanContext().HasSpanID())
assert.False(t, called)
}
func generateTestTLS(t *testing.T, path, host string) *tls.Config {
_, priv, err := ed25519.GenerateKey(rand.Reader)
require.NoError(t, err, "Failed to generate private key: %v", err)
keyUsage := x509.KeyUsageDigitalSignature
notBefore := time.Now()
notAfter := notBefore.Add(time.Hour)
serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
require.NoError(t, err, "Failed to generate serial number: %v", err)
template := x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{"Forgejo Testing"},
},
NotBefore: notBefore,
NotAfter: notAfter,
KeyUsage: keyUsage,
ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth, x509.ExtKeyUsageClientAuth},
BasicConstraintsValid: true,
}
hosts := strings.Split(host, ",")
for _, h := range hosts {
if ip := net.ParseIP(h); ip != nil {
template.IPAddresses = append(template.IPAddresses, ip)
} else {
template.DNSNames = append(template.DNSNames, h)
}
}
derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, priv.Public(), priv)
require.NoError(t, err, "Failed to create certificate: %v", err)
certOut, err := os.Create(path + "/cert.pem")
require.NoError(t, err, "Failed to open cert.pem for writing: %v", err)
if err := pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil {
t.Fatalf("Failed to write data to cert.pem: %v", err)
}
if err := certOut.Close(); err != nil {
t.Fatalf("Error closing cert.pem: %v", err)
}
keyOut, err := os.OpenFile(path+"/key.pem", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o600)
require.NoError(t, err, "Failed to open key.pem for writing: %v", err)
privBytes, err := x509.MarshalPKCS8PrivateKey(priv)
require.NoError(t, err, "Unable to marshal private key: %v", err)
if err := pem.Encode(keyOut, &pem.Block{Type: "PRIVATE KEY", Bytes: privBytes}); err != nil {
t.Fatalf("Failed to write data to key.pem: %v", err)
}
if err := keyOut.Close(); err != nil {
t.Fatalf("Error closing key.pem: %v", err)
}
serverCert, err := tls.LoadX509KeyPair(path+"/cert.pem", path+"/key.pem")
require.NoError(t, err, "failed to load the key pair")
return &tls.Config{
Certificates: []tls.Certificate{serverCert},
ClientAuth: tls.RequireAnyClientCert,
}
}