/
main.go
202 lines (178 loc) · 4.53 KB
/
main.go
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package main
import (
"context"
"database/sql"
"flag"
_ "github.com/go-sql-driver/mysql"
"github.com/je4/tbbs/v2/pkg/report"
lm "github.com/je4/utils/v2/pkg/logger"
"github.com/je4/utils/v2/pkg/ssh"
"io"
"io/fs"
"log"
"os"
"os/signal"
"syscall"
"time"
)
func main() {
var err error
var basedir = flag.String("basedir", ".", "base folder with html contents")
var configfile = flag.String("cfg", "/etc/report.toml", "configuration file")
var dev = flag.Bool("dev", false, "reload templates on every access")
flag.Parse()
var config = &Config{
LogFile: "",
LogLevel: "DEBUG",
LogFormat: `%{time:2006-01-02T15:04:05.000} %{module}::%{shortfunc} [%{shortfile}] > %{level:.5s} - %{message}`,
BaseDir: *basedir,
Addr: "localhost:80",
AddrExt: "http://localhost:80/",
User: "jane",
Password: "doe",
}
if err := LoadConfig(*configfile, config); err != nil {
log.Printf("cannot load config file: %v", err)
}
// create logger instance
logger, lf := lm.CreateLogger("Salon Digital", config.LogFile, nil, config.LogLevel, config.LogFormat)
defer lf.Close()
var accessLog io.Writer
var f *os.File
if config.AccessLog == "" {
accessLog = os.Stdout
} else {
f, err = os.OpenFile(config.AccessLog, os.O_WRONLY|os.O_CREATE, 0755)
if err != nil {
logger.Panicf("cannot open file %s: %v", config.AccessLog, err)
return
}
defer f.Close()
accessLog = f
}
var tunnels []*ssh.SSHtunnel
for name, tunnel := range config.Tunnel {
logger.Infof("starting tunnel %s", name)
forwards := make(map[string]*ssh.SourceDestination)
for fwName, fw := range tunnel.Forward {
forwards[fwName] = &ssh.SourceDestination{
Local: &ssh.Endpoint{
Host: fw.Local.Host,
Port: fw.Local.Port,
},
Remote: &ssh.Endpoint{
Host: fw.Remote.Host,
Port: fw.Remote.Port,
},
}
}
t, err := ssh.NewSSHTunnel(
tunnel.User,
tunnel.PrivateKey,
&ssh.Endpoint{
Host: tunnel.Endpoint.Host,
Port: tunnel.Endpoint.Port,
},
forwards,
logger,
)
if err != nil {
logger.Errorf("cannot create tunnel %v@%v:%v - %v", tunnel.User, tunnel.Endpoint.Host, tunnel.Endpoint.Port, err)
return
}
if err := t.Start(); err != nil {
logger.Errorf("cannot create configfile %v - %v", t.String(), err)
return
}
tunnels = append(tunnels, t)
}
defer func() {
for _, t := range tunnels {
t.Close()
}
}()
// if tunnels are made, wait until connection is established
if len(config.Tunnel) > 0 {
time.Sleep(2 * time.Second)
}
var db *sql.DB
logger.Debugf("connecting mysql database")
db, err = sql.Open("mysql", config.DB.DSN)
if err != nil {
// don't write dsn in error message due to password inside
logger.Panicf("error connecting to database: %v", err)
return
}
defer db.Close()
if err = db.Ping(); err != nil {
logger.Panicf("cannot ping database: %v", err)
return
}
db.SetConnMaxLifetime(config.DB.ConnMaxTimeout.Duration)
stats, err := report.NewStatistics(db, "tbbs", logger)
if err != nil {
logger.Panicf("cannot create statistics module: %v", err)
return
}
var staticFS fs.FS
if config.StaticDir != "" {
staticFS = os.DirFS(config.StaticDir)
} else {
staticFS, err = fs.Sub(report.StaticFS, "static")
if err != nil {
logger.Panicf("cannot get subtree of embedded static: %v", err)
return
}
}
var templateFS fs.FS
if config.TemplateDir != "" {
templateFS = os.DirFS(config.TemplateDir)
} else {
templateFS, err = fs.Sub(report.TemplateFS, "template")
if err != nil {
logger.Panicf("cannot get subtree of embedded template: %v", err)
return
}
}
srv, err := report.NewServer(
"TBBS",
config.Addr,
config.AddrExt,
config.User,
config.Password,
logger,
accessLog,
stats,
staticFS,
templateFS,
config.Logo,
config.Institution,
*dev,
)
if err != nil {
logger.Panicf("cannot initialize server: %v", err)
}
go func() {
if err := srv.ListenAndServe(config.CertPem, config.KeyPem); err != nil {
log.Fatalf("server died: %v", err)
}
}()
end := make(chan bool, 1)
// process waiting for interrupt signal (TERM or KILL)
go func() {
sigint := make(chan os.Signal, 1)
// interrupt signal sent from terminal
signal.Notify(sigint, os.Interrupt)
signal.Notify(sigint, syscall.SIGTERM)
signal.Notify(sigint, syscall.SIGKILL)
<-sigint
// We received an interrupt signal, shut down.
logger.Infof("shutdown requested")
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
srv.Shutdown(ctx)
end <- true
}()
<-end
logger.Info("server stopped")
}