taskcafe/internal/commands/web.go
2020-09-12 18:23:23 -05:00

118 lines
3.3 KiB
Go

package commands
import (
"fmt"
"net/http"
"strings"
"time"
"github.com/golang-migrate/migrate/v4"
"github.com/golang-migrate/migrate/v4/database/postgres"
"github.com/golang-migrate/migrate/v4/source/httpfs"
"github.com/google/uuid"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/jmoiron/sqlx"
"github.com/jordanknott/taskcafe/internal/route"
log "github.com/sirupsen/logrus"
)
var autoMigrate bool
func newWebCmd() *cobra.Command {
cc := &cobra.Command{
Use: "web",
Short: "Run the web server",
Long: "Run the web & api server",
RunE: func(cmd *cobra.Command, args []string) error {
Formatter := new(log.TextFormatter)
Formatter.TimestampFormat = "02-01-2006 15:04:05"
Formatter.FullTimestamp = true
log.SetFormatter(Formatter)
log.SetLevel(log.InfoLevel)
connection := fmt.Sprintf("user=%s password=%s host=%s dbname=%s sslmode=disable",
viper.GetString("database.user"),
viper.GetString("database.password"),
viper.GetString("database.host"),
viper.GetString("database.name"),
)
var db *sqlx.DB
var err error
var retryDuration time.Duration
maxRetryNumber := 4
for i := 0; i < maxRetryNumber; i++ {
db, err = sqlx.Connect("postgres", connection)
if err == nil {
break
}
retryDuration = time.Duration(i*2) * time.Second
log.WithFields(log.Fields{"retryNumber": i, "retryDuration": retryDuration}).WithError(err).Error("issue connecting to database, retrying")
if i != maxRetryNumber-1 {
time.Sleep(retryDuration)
}
}
if err != nil {
return err
}
db.SetMaxOpenConns(25)
db.SetMaxIdleConns(25)
db.SetConnMaxLifetime(5 * time.Minute)
defer db.Close()
if viper.GetBool("migrate") {
log.Info("running auto schema migrations")
if err = runMigration(db); err != nil {
return err
}
}
log.WithFields(log.Fields{"url": viper.GetString("server.hostname")}).Info("starting server")
secret := viper.GetString("server.secret")
if strings.TrimSpace(secret) == "" {
log.Warn("server.secret is not set, generating a random secret")
secret = uuid.New().String()
}
r, _ := route.NewRouter(db, []byte(secret))
http.ListenAndServe(viper.GetString("server.hostname"), r)
return nil
},
}
cc.Flags().Bool("migrate", false, "if true, auto run's schema migrations before starting the web server")
viper.BindPFlag("migrate", cc.Flags().Lookup("migrate"))
viper.SetDefault("migrate", false)
viper.SetDefault("server.hostname", "0.0.0.0:3333")
viper.SetDefault("database.host", "127.0.0.1")
viper.SetDefault("database.name", "taskcafe")
viper.SetDefault("database.user", "taskcafe")
viper.SetDefault("database.password", "taskcafe_test")
viper.SetDefault("queue.broker", "amqp://guest:guest@localhost:5672/")
viper.SetDefault("queue.store", "memcache://localhost:11211")
return cc
}
func runMigration(db *sqlx.DB) error {
driver, err := postgres.WithInstance(db.DB, &postgres.Config{})
if err != nil {
return err
}
src, err := httpfs.New(migration, "./")
if err != nil {
return err
}
m, err := migrate.NewWithInstance("httpfs", src, "postgres", driver)
if err != nil {
return err
}
logger := &MigrateLog{}
m.Log = logger
err = m.Up()
if err != nil && err != migrate.ErrNoChange {
return err
}
return nil
}