super-graph/serv/cmd.go

279 lines
5.8 KiB
Go

package serv
import (
"context"
"fmt"
"os"
"strings"
"github.com/dosco/super-graph/psql"
"github.com/dosco/super-graph/qcode"
"github.com/jackc/pgx/v4"
"github.com/jackc/pgx/v4/pgxpool"
"github.com/rs/zerolog"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
//go:generate rice embed-go
const (
serverName = "Super Graph"
)
var (
logger *zerolog.Logger
conf *config
confPath string
db *pgxpool.Pool
qcompile *qcode.Compiler
pcompile *psql.Compiler
)
func Init() {
logger = initLog()
rootCmd := &cobra.Command{
Use: "super-graph",
Short: "An instant high-performance GraphQL API. No code needed. https://supergraph.dev",
}
rootCmd.AddCommand(&cobra.Command{
Use: "serv",
Short: "Run the super-graph service",
Run: cmdServ,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:create",
Short: "Create database",
Run: cmdDBCreate,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:drop",
Short: "Drop database",
Run: cmdDBDrop,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:seed",
Short: "Run the seed script to seed the database",
Run: cmdDBSeed,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:migrate",
Short: "Migrate the database",
Long: `Migrate the database to destination migration version.
Destination migration version can be one of the following value types:
Migrate to the most recent migration.
e.g. db:migrate up
Rollback the most recent migration.
e.g. db:migrate down
Migrate to a specific migration.
e.g. db:migrate 42
Migrate forward N steps.
e.g. db:migrate +3
Migrate backward N steps.
e.g. db:migrate -2
Redo previous N steps (migrate backward N steps then forward N steps).
e.g. db:migrate -+1
`,
Run: cmdDBMigrate,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:status",
Short: "Print current migration status",
Run: cmdDBStatus,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:new NAME",
Short: "Generate a new migration",
Long: "Generate a new migration with the next sequence number and provided name",
Run: cmdDBNew,
})
rootCmd.AddCommand(&cobra.Command{
Use: "db:setup",
Short: "Setup database",
Long: "This command will create, migrate and seed the database",
Run: cmdDBSetup,
})
rootCmd.AddCommand(&cobra.Command{
Use: "new APP-NAME",
Short: "Create a new application",
Long: "Generate all the required files to start on a new Super Graph app",
Run: cmdNew,
})
rootCmd.AddCommand(&cobra.Command{
Use: fmt.Sprintf("conf:dump [%s]", strings.Join(viper.SupportedExts, "|")),
Short: "Dump config to file",
Long: "Dump current config to a file in the selected format",
Run: cmdConfDump,
})
rootCmd.Flags().StringVar(&confPath,
"path", "./config", "path to config files")
if err := rootCmd.Execute(); err != nil {
logger.Fatal().Err(err).Send()
}
}
func initLog() *zerolog.Logger {
out := zerolog.ConsoleWriter{Out: os.Stderr}
logger := zerolog.New(out).
With().
Timestamp().
Caller().
Logger()
return &logger
}
func initConf() (*config, error) {
vi := newConfig(getConfigName())
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
inherits := vi.GetString("inherits")
if len(inherits) != 0 {
vi = newConfig(inherits)
if err := vi.ReadInConfig(); err != nil {
return nil, err
}
if vi.IsSet("inherits") {
logger.Fatal().Msgf("inherited config (%s) cannot itself inherit (%s)",
inherits,
vi.GetString("inherits"))
}
vi.SetConfigName(getConfigName())
vi.MergeInConfig()
}
c := &config{}
if err := c.Init(vi); err != nil {
return nil, fmt.Errorf("unable to decode config, %v", err)
}
logLevel, err := zerolog.ParseLevel(c.LogLevel)
if err != nil {
logger.Error().Err(err).Msg("error setting log_level")
}
zerolog.SetGlobalLevel(logLevel)
return c, nil
}
func initDB(c *config, useDB bool) (*pgx.Conn, error) {
config, _ := pgx.ParseConfig("")
config.Host = c.DB.Host
config.Port = c.DB.Port
config.User = c.DB.User
config.Password = c.DB.Password
config.RuntimeParams = map[string]string{
"application_name": c.AppName,
"search_path": c.DB.Schema,
}
if useDB {
config.Database = c.DB.DBName
}
switch c.LogLevel {
case "debug":
config.LogLevel = pgx.LogLevelDebug
case "info":
config.LogLevel = pgx.LogLevelInfo
case "warn":
config.LogLevel = pgx.LogLevelWarn
case "error":
config.LogLevel = pgx.LogLevelError
default:
config.LogLevel = pgx.LogLevelNone
}
config.Logger = NewSQLLogger(*logger)
db, err := pgx.ConnectConfig(context.Background(), config)
if err != nil {
return nil, err
}
return db, nil
}
func initDBPool(c *config) (*pgxpool.Pool, error) {
config, _ := pgxpool.ParseConfig("")
config.ConnConfig.Host = c.DB.Host
config.ConnConfig.Port = c.DB.Port
config.ConnConfig.Database = c.DB.DBName
config.ConnConfig.User = c.DB.User
config.ConnConfig.Password = c.DB.Password
config.ConnConfig.RuntimeParams = map[string]string{
"application_name": c.AppName,
"search_path": c.DB.Schema,
}
switch c.LogLevel {
case "debug":
config.ConnConfig.LogLevel = pgx.LogLevelDebug
case "info":
config.ConnConfig.LogLevel = pgx.LogLevelInfo
case "warn":
config.ConnConfig.LogLevel = pgx.LogLevelWarn
case "error":
config.ConnConfig.LogLevel = pgx.LogLevelError
default:
config.ConnConfig.LogLevel = pgx.LogLevelNone
}
config.ConnConfig.Logger = NewSQLLogger(*logger)
// if c.DB.MaxRetries != 0 {
// opt.MaxRetries = c.DB.MaxRetries
// }
if c.DB.PoolSize != 0 {
config.MaxConns = conf.DB.PoolSize
}
db, err := pgxpool.ConnectConfig(context.Background(), config)
if err != nil {
return nil, err
}
return db, nil
}
func initCompiler() {
var err error
qcompile, pcompile, err = initCompilers(conf)
if err != nil {
logger.Fatal().Err(err).Msg("failed to initialize compilers")
}
if err := initResolvers(); err != nil {
logger.Fatal().Err(err).Msg("failed to initialized resolvers")
}
}