mirror of
https://github.com/Luzifer/continuous-spark.git
synced 2024-10-18 12:54:24 +00:00
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
package main
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import (
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"fmt"
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"net/http"
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"os"
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"time"
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"github.com/Luzifer/rconfig"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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log "github.com/sirupsen/logrus"
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)
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var (
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cfg struct {
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Hostname string `flag:"hostname" default:"" description:"Hostname / IP of the sparkyfish server" validate:"nonzero"`
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Interval time.Duration `flag:"interval" default:"15m" description:"Interval to execute test in"`
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Listen string `flag:"listen" default:":3000" description:"IP/Port to listen on"`
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LogLevel string `flag:"log-level" default:"info" description:"Set log level (debug, info, warning, error)"`
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Port int `flag:"port" default:"7121" description:"Port the sparkyfish server is running on"`
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VersionAndExit bool `flag:"version" default:"false" description:"Print version information and exit"`
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}
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version = "dev"
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)
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func init() {
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if err := rconfig.ParseAndValidate(&cfg); err != nil {
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log.Fatalf("Unable to parse CLI parameters: %s", err)
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}
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if cfg.VersionAndExit {
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fmt.Printf("continuous-spark %s\n", version)
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os.Exit(0)
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}
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if l, err := log.ParseLevel(cfg.LogLevel); err == nil {
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log.SetLevel(l)
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} else {
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log.Fatalf("Invalid log level: %s", err)
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}
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}
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func main() {
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go func() {
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if err := updateStats(execTest()); err != nil {
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log.Error(err.Error())
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}
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for range time.Tick(cfg.Interval) {
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if err := updateStats(execTest()); err != nil {
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log.Error(err.Error())
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continue
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}
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}
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}()
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http.Handle("/metrics", promhttp.Handler())
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http.ListenAndServe(cfg.Listen, nil)
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}
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func updateStats(t *testResult, err error) error {
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if err != nil {
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return err
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}
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pingAvg.Set(t.Ping.Avg)
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thresholdAvg.WithLabelValues("recv").Set(t.Receive.Avg)
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thresholdAvg.WithLabelValues("send").Set(t.Send.Avg)
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return nil
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}
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func execTest() (*testResult, error) {
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t := newTestResult()
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sc := newSparkClient(cfg.Hostname, cfg.Port)
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if err := sc.ExecutePingTest(t); err != nil {
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return nil, fmt.Errorf("Ping test fucked up: %s", err)
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}
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if err := sc.ExecuteThroughputTest(t); err != nil {
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return nil, fmt.Errorf("Throughput test fucked up: %s", err)
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}
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log.Debugf("%s", t)
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return t, nil
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}
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