forked from qiwitech/qdp
/
main.go
142 lines (120 loc) · 3.42 KB
/
main.go
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package main
import (
"database/sql"
"flag"
"fmt"
"log"
"net"
"net/http"
"os"
"strings"
"github.com/facebookgo/flagenv"
_ "github.com/go-sql-driver/mysql"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/qiwitech/qdp/proto/plutodbpb"
"github.com/qiwitech/qdp/proto/pusherpb"
"github.com/qiwitech/qdp/pusher/remotepusher"
"github.com/qiwitech/qdp/sqlchain"
"github.com/qiwitech/tcprpc"
"golang.org/x/net/trace"
)
var (
Version = "HEAD"
Commit = "dev"
)
var (
listen = flag.String("listen", ":38388", "http addr")
dbauth = flag.String("auth", "", "db auth data (user:pass)")
dbaddr = flag.String("dbaddr", ":3306", "mysql db address")
dbname = flag.String("dbname", "plutodb", "db name")
create = flag.String("createuser", "", "create new user and grant permissions (user:pass)")
drop = flag.Bool("drop", false, "drop database before start")
// meta = flag.Bool("meta", false, "enable metadb handler")
)
func init() {
flagenv.Prefix = "PLUTODB_"
flagenv.Parse()
}
func main() {
flag.Parse()
log.Printf("command: %q", os.Args)
trace.AuthRequest = func(req *http.Request) (any, sensitive bool) {
return true, true
}
lis, err := net.Listen("tcp", *listen)
if err != nil {
panic(err)
}
fmt.Printf("Start server on %v. Commit: %s, Version: %s\n", lis.Addr(), Commit, Version)
server := tcprpc.NewServer()
db, err := sql.Open("mysql", *dbauth+"@tcp("+*dbaddr+")/")
if err != nil {
fmt.Fprintf(os.Stderr, "sql open: %v\n", err)
os.Exit(1) // docker doesn't restart container if error code != 1
}
if *drop {
_, err = db.Exec(fmt.Sprintf("DROP DATABASE IF EXISTS %s", *dbname))
if err != nil {
fmt.Fprintf(os.Stderr, "sql exec: %v\n", err)
os.Exit(1) // docker doesn't restart container if error code != 1
}
}
_, err = db.Exec(fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", *dbname))
if err != nil {
fmt.Fprintf(os.Stderr, "sql exec: %v\n", err)
os.Exit(1) // docker doesn't restart container if error code != 1
}
_, err = db.Exec(fmt.Sprintf("USE %s", *dbname))
if err != nil {
fmt.Fprintf(os.Stderr, "sql exec: %v\n", err)
os.Exit(1) // docker doesn't restart container if error code != 1
}
if *create != "" {
createuser(db)
return
}
p, err := sqlchain.New(db)
if err != nil {
panic(err)
}
/*
if *meta {
p := metadb.New(sdb)
svc := metadb.NewMetaDBService(p)
metadbpb.RegisterMetaDBServiceHandlers(server, "v1/", svc)
}
*/
pusherpb.RegisterPusherServiceHandlers(server, "v1/", remotepusher.NewService(p))
pusherpb.RegisterSettingsPusherServiceHandlers(server, "v1/", remotepusher.NewSettingsService(p))
plutodbpb.RegisterPlutoDBServiceHandlers(server, "v1/", p)
http.Handle("/metrics", promhttp.Handler())
server.HandleHTTP(http.DefaultServeMux)
if err := server.Serve(lis); err != nil {
// skip closing server error
// if err != http.ErrServerClosed {
panic(err)
// }
}
}
func createuser(db *sql.DB) {
u := strings.SplitN(*create, ":", 2)
if len(u) != 2 {
fmt.Printf("expected user in form of \"username:password\", got %q\n", *create)
return
}
_, err := db.Exec(fmt.Sprintf("CREATE USER '%s'@'%%' IDENTIFIED BY '%s'", u[0], u[1]))
if err != nil {
fmt.Printf("error: %v\n", err)
return
}
_, err = db.Exec(fmt.Sprintf("GRANT ALL PRIVILEGES ON *.* TO '%s'@'%%'", u[0]))
if err != nil {
fmt.Printf("error: %v\n", err)
return
}
_, err = db.Exec("FLUSH PRIVILEGES")
if err != nil {
fmt.Printf("error: %v\n", err)
return
}
}