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metrics_suite_test.go
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metrics_suite_test.go
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// Copyright 2022 Authors of spidernet-io
// SPDX-License-Identifier: Apache-2.0
package metrics_test
import (
"context"
"net"
"net/http"
"testing"
"time"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
"github.com/spidernet-io/spiderpool/pkg/metrics"
)
var (
listener net.Listener
server *http.Server
httpHandle http.Handler
err error
ctx context.Context
)
func TestMetrics(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Metrics Suite")
}
// start a http server to set up an otel exporter
var _ = BeforeSuite(func() {
ctx = context.TODO()
server = new(http.Server)
httpHandle, err = metrics.InitMetricController(SpiderPoolMeter)
Expect(err).NotTo(HaveOccurred())
go func() {
defer GinkgoRecover()
/* Obtain a reference to a local port for the given sock,
* if snum is zero it means select any available local port.
*/
listener, err = net.Listen("tcp", net.JoinHostPort("0.0.0.0", "0"))
Expect(err).NotTo(HaveOccurred())
MetricsTestServerAddr = "http://" + listener.Addr().String()
server.Handler = httpHandle
server.IdleTimeout = time.Second * 10
server.ReadTimeout = time.Second * 30
server.WriteTimeout = time.Second * 60
err = server.Serve(listener)
if nil != err && err != http.ErrServerClosed {
By("Error: Otel metrics http server failed. " + err.Error())
}
}()
})
// close http listener
var _ = AfterSuite(func() {
err = server.Shutdown(ctx)
Expect(err).NotTo(HaveOccurred())
})