forked from influxdata/influxdb
/
influxd.go
207 lines (178 loc) · 5.17 KB
/
influxd.go
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package main
import (
"flag"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"runtime"
"strconv"
"time"
log "code.google.com/p/log4go"
"github.com/influxdb/influxdb/_vendor/raft"
"github.com/influxdb/influxdb/configuration"
"github.com/influxdb/influxdb/coordinator"
"github.com/influxdb/influxdb/server"
"github.com/jmhodges/levigo"
)
func setupLogging(loggingLevel, logFile string) {
level := log.DEBUG
switch loggingLevel {
case "fine":
level = log.FINE
case "debug":
level = log.DEBUG
case "info":
level = log.INFO
case "warn":
level = log.WARNING
case "error":
level = log.ERROR
default:
log.Error("Unknown log level %s. Defaulting to DEBUG", loggingLevel)
}
log.Global = make(map[string]*log.Filter)
facility, ok := GetSysLogFacility(logFile)
if ok {
flw, err := NewSysLogWriter(facility)
if err != nil {
fmt.Fprintf(os.Stderr, "NewSysLogWriter: %s\n", err.Error())
return
}
log.AddFilter("syslog", level, flw)
} else if logFile == "stdout" {
flw := log.NewConsoleLogWriter()
log.AddFilter("stdout", level, flw)
} else {
logFileDir := filepath.Dir(logFile)
os.MkdirAll(logFileDir, 0744)
flw := log.NewFileLogWriter(logFile, false)
if flw == nil {
os.Exit(1)
}
log.AddFilter("file", level, flw)
flw.SetFormat("[%D %T] [%L] (%S) %M")
flw.SetRotate(true)
flw.SetRotateSize(0)
flw.SetRotateLines(0)
flw.SetRotateDaily(true)
}
log.Info("Redirectoring logging to %s", logFile)
}
func main() {
if start() != nil {
os.Exit(1)
}
os.Exit(0)
}
func start() error {
fileName := flag.String("config", "config.sample.toml", "Config file")
wantsVersion := flag.Bool("v", false, "Get version number")
resetRootPassword := flag.Bool("reset-root", false, "Reset root password")
hostname := flag.String("hostname", "", "Override the hostname, the `hostname` config option will be overridden")
raftPort := flag.Int("raft-port", 0, "Override the raft port, the `raft.port` config option will be overridden")
protobufPort := flag.Int("protobuf-port", 0, "Override the protobuf port, the `protobuf_port` config option will be overridden")
pidFile := flag.String("pidfile", "", "the pid file")
repairLeveldb := flag.Bool("repair-ldb", false, "set to true to repair the leveldb files")
stdout := flag.Bool("stdout", false, "Log to stdout overriding the configuration")
syslog := flag.String("syslog", "", "Log to syslog facility overriding the configuration")
runtime.GOMAXPROCS(runtime.NumCPU())
flag.Parse()
v := fmt.Sprintf("InfluxDB v%s (git: %s) (leveldb: %d.%d)", version, gitSha, levigo.GetLevelDBMajorVersion(), levigo.GetLevelDBMinorVersion())
if wantsVersion != nil && *wantsVersion {
fmt.Println(v)
return nil
}
config, err := configuration.LoadConfiguration(*fileName)
if err != nil {
return err
}
// override the hostname if it was specified on the command line
if hostname != nil && *hostname != "" {
config.Hostname = *hostname
}
if raftPort != nil && *raftPort != 0 {
config.RaftServerPort = *raftPort
}
if protobufPort != nil && *protobufPort != 0 {
config.ProtobufPort = *protobufPort
}
config.Version = v
config.InfluxDBVersion = version
if *stdout {
config.LogFile = "stdout"
}
if *syslog != "" {
config.LogFile = *syslog
}
setupLogging(config.LogLevel, config.LogFile)
if config.RaftDebug {
log.Info("Turning on raft debug logging")
raft.SetLogLevel(raft.Trace)
}
if *repairLeveldb {
log.Info("Repairing leveldb")
files, err := ioutil.ReadDir(config.DataDir)
if err != nil {
panic(err)
}
o := levigo.NewOptions()
defer o.Close()
for _, f := range files {
p := path.Join(config.DataDir, f.Name())
log.Info("Repairing %s", p)
if err := levigo.RepairDatabase(p, o); err != nil {
panic(err)
}
}
}
if pidFile != nil && *pidFile != "" {
pid := strconv.Itoa(os.Getpid())
if err := ioutil.WriteFile(*pidFile, []byte(pid), 0644); err != nil {
panic(err)
}
}
if config.BindAddress == "" {
log.Info("Starting Influx Server %s...", version)
} else {
log.Info("Starting Influx Server %s bound to %s...", version, config.BindAddress)
}
fmt.Printf(`
+---------------------------------------------+
| _____ __ _ _____ ____ |
| |_ _| / _| | | __ \| _ \ |
| | | _ __ | |_| |_ ___ _| | | | |_) | |
| | | | '_ \| _| | | | \ \/ / | | | _ < |
| _| |_| | | | | | | |_| |> <| |__| | |_) | |
| |_____|_| |_|_| |_|\__,_/_/\_\_____/|____/ |
+---------------------------------------------+
`)
os.MkdirAll(config.RaftDir, 0744)
os.MkdirAll(config.DataDir, 0744)
server, err := server.NewServer(config)
if err != nil {
// sleep for the log to flush
time.Sleep(time.Second)
panic(err)
}
if err := startProfiler(server); err != nil {
panic(err)
}
if *resetRootPassword {
// TODO: make this not suck
// This is ghetto as hell, but it'll work for now.
go func() {
time.Sleep(2 * time.Second) // wait for the raft server to join the cluster
log.Warn("Resetting root's password to %s", coordinator.DEFAULT_ROOT_PWD)
if err := server.RaftServer.CreateRootUser(); err != nil {
panic(err)
}
}()
}
err = server.ListenAndServe()
if err != nil {
log.Error("ListenAndServe failed: ", err)
}
return err
}