Files
scroll/bridge-history-api/cmd/api/app/app.go

106 lines
2.7 KiB
Go

package app
import (
"crypto/tls"
"fmt"
"os"
"os/signal"
"time"
"github.com/gin-gonic/gin"
"github.com/go-redis/redis/v8"
"github.com/prometheus/client_golang/prometheus"
"github.com/scroll-tech/go-ethereum/log"
"github.com/urfave/cli/v2"
"scroll-tech/common/database"
"scroll-tech/common/observability"
"scroll-tech/common/utils"
"scroll-tech/bridge-history-api/internal/config"
"scroll-tech/bridge-history-api/internal/controller/api"
"scroll-tech/bridge-history-api/internal/route"
)
var app *cli.App
func init() {
app = cli.NewApp()
app.Action = action
app.Name = "Scroll Bridge History API Web Service"
app.Usage = "The Scroll Bridge History API Web Service"
app.Flags = append(app.Flags, utils.CommonFlags...)
app.Commands = []*cli.Command{}
app.Before = func(ctx *cli.Context) error {
return utils.LogSetup(ctx)
}
}
func action(ctx *cli.Context) error {
// Load config file.
cfgFile := ctx.String(utils.ConfigFileFlag.Name)
cfg, err := config.NewConfig(cfgFile)
if err != nil {
log.Crit("failed to load config file", "config file", cfgFile, "error", err)
}
db, err := database.InitDB(cfg.DB)
if err != nil {
log.Crit("failed to init db", "err", err)
}
defer func() {
if deferErr := database.CloseDB(db); deferErr != nil {
log.Error("failed to close db", "err", err)
}
}()
opts := &redis.Options{
Addr: cfg.Redis.Address,
Username: cfg.Redis.Username,
Password: cfg.Redis.Password,
MinIdleConns: cfg.Redis.MinIdleConns,
ReadTimeout: time.Duration(cfg.Redis.ReadTimeoutMs * int(time.Millisecond)),
}
// Production Redis service has enabled transit_encryption.
if !cfg.Redis.Local {
opts.TLSConfig = &tls.Config{
MinVersion: tls.VersionTLS12,
InsecureSkipVerify: true, //nolint:gosec
}
}
log.Info("init redis client", "addr", opts.Addr, "user name", opts.Username, "is local", cfg.Redis.Local,
"min idle connections", opts.MinIdleConns, "read timeout", opts.ReadTimeout)
redisClient := redis.NewClient(opts)
api.InitController(db, redisClient)
router := gin.Default()
registry := prometheus.DefaultRegisterer
route.Route(router, cfg, registry)
go func() {
port := ctx.Int(utils.ServicePortFlag.Name)
if runServerErr := router.Run(fmt.Sprintf(":%d", port)); runServerErr != nil {
log.Crit("run http server failure", "error", runServerErr)
}
}()
observability.Server(ctx, db)
// Catch CTRL-C to ensure a graceful shutdown.
interrupt := make(chan os.Signal, 1)
signal.Notify(interrupt, os.Interrupt)
// Wait until the interrupt signal is received from an OS signal.
<-interrupt
return nil
}
// Run event watcher cmd instance.
func Run() {
if err := app.Run(os.Args); err != nil {
_, _ = fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}