func main() {
var config tomlConfig
if _, err := toml.DecodeFile("example.toml", &config); err != nil {
fmt.Println("No config file, using default settings.")
config.Name = "Default"
}
fmt.Printf("Title: %s\n", config.Name)
rate := uint64(100) // per second
duration := 4 * time.Second
targeter := vegeta.NewStaticTargeter(vegeta.Target{
Method: "GET",
URL: "http://localhost:8080/",
})
attacker := vegeta.NewAttacker()
var metrics vegeta.Metrics
for res := range attacker.Attack(targeter, rate, duration) {
metrics.Add(res)
}
metrics.Close()
fmt.Printf("%d results\n", metrics.Requests)
fmt.Printf("99th percentile: %s\n", metrics.Latencies.P99)
}
func main() {
rate := uint64(10000) // per second
duration := 20 * time.Second
targeter := vegeta.NewStaticTargeter(vegeta.Target{
Method: "GET",
URL: "http://localhost:3001/get_stuff",
})
attacker := vegeta.NewAttacker()
var metrics vegeta.Metrics
for res := range attacker.Attack(targeter, rate, duration) {
metrics.Add(res)
}
metrics.Close()
fmt.Printf("99th percentile: %s\n", metrics.Latencies.P99)
}
func errorRateThreshold(metrics *vegeta.Metrics, minimumTestDuration time.Duration, maximumErrorRate float64) bool {
// metrics.Close() does trigger the computation of metrics, but does not stop any process
metrics.Close()
fmt.Printf(
" - Duration: %s, Requests: %d, Non 200 Requests: %d, Success Rate: %.2f%%\n",
metrics.Duration,
metrics.Requests,
metrics.Requests-uint64(metrics.StatusCodes["200"]),
metrics.Success*100,
)
if metrics.Duration > minimumTestDuration {
if metrics.Success < (1 - maximumErrorRate) {
return true
}
}
return false
}
)
})
It("reports the requests as not successful", func() {
attacker, resultChannel := loadTest(server.URL(), availabilityTestRate)
defer attacker.Stop()
Eventually(func() int {
return len(server.ReceivedRequests())
}).Should(BeNumerically(">", 1))
attacker.Stop()
for result := range resultChannel {
metrics.Add(result)
}
metrics.Close()
Expect(metrics.Success * 100).To(BeNumerically("==", 0))
})
})
})
Context("when runs (until the deployment is finished or error rate > 50%)", func() {
var attacker *vegeta.Attacker
var resultChannel <-chan *vegeta.Result
BeforeEach(func() {
stopAttackCriteria = func() bool {
if helpers.DeploymentHasFinishedInConcourse() {
return true
}
metricsLock.Lock()