/
provider_jaeger.go
66 lines (58 loc) · 2.08 KB
/
provider_jaeger.go
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// Package provider
package provider
import (
"os"
"strings"
"github.com/pkg/errors"
"github.com/xwc1125/xwc1125-pkg/utils/iputil/ipv4"
jaegerprop "go.opentelemetry.io/contrib/propagators/jaeger"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/exporters/jaeger"
"go.opentelemetry.io/otel/sdk/resource"
sdkTrace "go.opentelemetry.io/otel/sdk/trace"
semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
)
var (
hostIP, _ = ipv4.GetIntranetIps() // ipv4的地址 可选,是否传递看自己
hostname, _ = os.Hostname()
)
// NewJaegerProvider returns an OpenTelemetry TracerProvider configured to use
// the Jaeger exporter that will send spans to the provided url. The returned
// TracerProvider will also use a Resource configured with all the information
// about the application.
func NewJaegerProvider(serviceName, endpoint string, options ...Option) (*sdkTrace.TracerProvider, error) {
var endpointOption jaeger.EndpointOption
if serviceName == "" {
return nil, errors.New("no service name provided")
}
if strings.HasPrefix(endpoint, "http") {
endpointOption = jaeger.WithCollectorEndpoint(jaeger.WithEndpoint(endpoint))
} else {
endpointOption = jaeger.WithAgentEndpoint(jaeger.WithAgentHost(endpoint))
}
// Create the Jaeger exporter
exporter, err := jaeger.New(endpointOption)
if err != nil {
return nil, err
}
opts := applyOptions(options...)
tp := sdkTrace.NewTracerProvider(
sdkTrace.WithIDGenerator(NewIDGenerator()),
// set sample
sdkTrace.WithSampler(sdkTrace.TraceIDRatioBased(opts.SamplingRatio)),
// Always be sure to batch in production.
sdkTrace.WithBatcher(exporter),
// Record information about this application in an Resource.
sdkTrace.WithResource(resource.NewWithAttributes(
semconv.SchemaURL,
semconv.ServiceNameKey.String(serviceName),
semconv.NetHostIPKey.String(hostIP),
semconv.HostNameKey.String(hostname),
)),
)
// Register our TracerProvider as the global so any imported
// instrumentation in the future will default to using it.
otel.SetTracerProvider(tp)
otel.SetTextMapPropagator(jaegerprop.Jaeger{})
return tp, nil
}