cic-custodial/cmd/service.go

111 lines
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2022-11-30 10:51:24 +01:00
package main
import (
"context"
"os"
"os/signal"
"strings"
"sync"
"syscall"
"github.com/bsm/redislock"
celo "github.com/grassrootseconomics/cic-celo-sdk"
"github.com/grassrootseconomics/cic-custodial/internal/keystore"
"github.com/grassrootseconomics/cic-custodial/internal/nonce"
"github.com/grassrootseconomics/cic-custodial/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/redis"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/knadh/koanf"
"github.com/labstack/echo/v4"
"github.com/zerodha/logf"
)
type service struct {
taskerServer *tasker.TaskerServer
apiServer *echo.Echo
}
var (
asynqRedisPool *redis.RedisPool
celoProvider *celo.Provider
commonRedisPool *redis.RedisPool
lo logf.Logger
lockProvider *redislock.Client
ko *koanf.Koanf
postgresPool *pgxpool.Pool
postgresKeystore keystore.Keystore
redisNoncestore nonce.Noncestore
system *tasker.SystemContainer
taskerClient *tasker.TaskerClient
)
func init() {
ko = initConfig("config.toml")
lo = initLogger()
celoProvider = initCeloProvider()
postgresPool = initPostgresPool()
postgresKeystore = initKeystore()
asynqRedisPool = initAsynqRedisPool()
commonRedisPool = initCommonRedisPool()
redisNoncestore = initRedisNoncestore()
lockProvider = initLockProvider()
taskerClient = initTaskerClient()
system = initSystemContainer()
}
func main() {
service := &service{}
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
defer stop()
service.taskerServer = initTasker()
service.apiServer = initApiServer()
startServices(service, ctx)
}
func startServices(serviceContainer *service, ctx context.Context) {
wg := sync.WaitGroup{}
wg.Add(1)
go func() {
defer wg.Done()
if err := serviceContainer.taskerServer.Start(); err != nil {
lo.Fatal("Could not start task server", "err", err)
}
}()
wg.Add(1)
go func() {
defer wg.Done()
if err := serviceContainer.apiServer.Start(ko.MustString("service.address")); err != nil {
if strings.Contains(err.Error(), "Server closed") {
lo.Info("Shutting down server")
} else {
lo.Fatal("Could not start api server", "err", err)
}
}
}()
gracefulShutdown(serviceContainer, ctx)
wg.Wait()
}
func gracefulShutdown(serviceContainer *service, ctx context.Context) {
<-ctx.Done()
lo.Info("Graceful shutdown triggered")
lo.Info("Stopping tasker dequeue")
serviceContainer.taskerServer.Stop()
lo.Info("Stopped tasker")
if err := serviceContainer.apiServer.Shutdown(ctx); err != nil {
lo.Error("Could not gracefully shutdown api server", "err", err)
}
lo.Info("Stopped API server")
}