[yearly]
pattern = yearly$
retentions = 1y:100y
[default]
pattern = .*
retentions = 120:7d
`
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)))
})
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")
}