BeforeEach(func() { c := redigomock.NewFakeRedis() db = filter.NewDbConnector(&redis.Pool{ MaxIdle: 3, IdleTimeout: 240 * time.Second, Dial: func() (redis.Conn, error) { return c, nil }, }) for _, pattern := range testPatterns { c.Do("SADD", "moira-pattern-list", pattern) } filter.InitGraphiteMetrics() patterns = filter.NewPatternStorage() patterns.DoRefresh(db) cache = &filter.CacheStorage{} cache.BuildRetentions(bufio.NewScanner(strings.NewReader(testRetentions))) }) Context("When invalid metric arrives", func() { BeforeEach(func() { for _, metric := range invalidRawMetrics { process(metric) } }) It("should be properly counted", func() { filter.UpdateProcessingMetrics() Expect(int(filter.TotalMetricsReceived.Count())).To(Equal(len(invalidRawMetrics)))
func main() { runtime.GOMAXPROCS(runtime.NumCPU()) flag.Parse() log.SetFlags(log.Lmicroseconds | log.Lshortfile) log.SetPrefix(fmt.Sprintf("pid:%d ", syscall.Getpid())) if err := readConfig(configFileName); err != nil { log.Fatalf("error reading config %s: %s", *configFileName, err) } logFile, err := os.OpenFile(logFileName, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0644) if err != nil { log.Fatalf("error opening log file %s: %s", logFileName, err) } defer logFile.Close() log.SetOutput(logFile) err = ioutil.WriteFile(pidFileName, []byte(fmt.Sprint(syscall.Getpid())), 0644) if err != nil { log.Fatalf("error writing pid file %s: %s", pidFileName, err) } retentionConfigFile, err := os.Open(retentionConfigFileName) if err != nil { log.Fatalf("error open retentions file %s: %s", pidFileName, err) } filter.InitGraphiteMetrics() db = filter.NewDbConnector(newRedisPool(redisURI)) patterns = filter.NewPatternStorage() cache, err = filter.NewCacheStorage(retentionConfigFile) if err != nil { log.Fatalf("failed to initialize cache with config %s: %s", retentionConfigFileName, err.Error()) } go patterns.Refresh(db) if graphiteURI != "" { graphiteAddr, _ := net.ResolveTCPAddr("tcp", graphiteURI) go graphite.Graphite(metrics.DefaultRegistry, time.Duration(graphiteInterval)*time.Second, fmt.Sprintf("%s.cache", graphitePrefix), graphiteAddr) } l, err := goagain.Listener() if err != nil { l, err = net.Listen("tcp", listen) if err != nil { log.Fatalf("failed to listen on %s: %s", listen, err.Error()) } log.Printf("listening on %s", listen) go serve(l) } else { log.Printf("resuming listening on %s", listen) go serve(l) if err := goagain.Kill(); err != nil { log.Fatalf("failed to kill parent process: %s", err.Error()) } } if _, err := goagain.Wait(l); err != nil { log.Fatalf("failed to block main goroutine: %s", err.Error()) } log.Printf("shutting down") if err := l.Close(); err != nil { log.Fatalf("failed to stop listening: %s", err.Error()) } time.Sleep(time.Second) log.Printf("shutdown complete") }