336 lines
7.0 KiB
Go
336 lines
7.0 KiB
Go
package serv
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import (
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"context"
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"fmt"
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"os"
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"runtime"
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"strings"
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"github.com/dosco/super-graph/psql"
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"github.com/dosco/super-graph/qcode"
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"github.com/jackc/pgx/v4"
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"github.com/jackc/pgx/v4/pgxpool"
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"github.com/rs/zerolog"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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//go:generate rice embed-go
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const (
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serverName = "Super Graph"
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)
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var (
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// These variables are set using -ldflags
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version string
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gitBranch string
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lastCommitSHA string
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lastCommitTime string
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)
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var (
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logger zerolog.Logger
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errlog zerolog.Logger
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conf *config
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confPath string
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db *pgxpool.Pool
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schema *psql.DBSchema
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qcompile *qcode.Compiler
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pcompile *psql.Compiler
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)
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func Init() {
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initLog()
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rootCmd := &cobra.Command{
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Use: "super-graph",
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Short: "An instant high-performance GraphQL API. No code needed. https://supergraph.dev",
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}
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rootCmd.AddCommand(&cobra.Command{
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Use: "serv",
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Short: "Run the super-graph service",
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Run: cmdServ,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:create",
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Short: "Create database",
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Run: cmdDBCreate,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:drop",
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Short: "Drop database",
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Run: cmdDBDrop,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:seed",
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Short: "Run the seed script to seed the database",
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Run: cmdDBSeed,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:migrate",
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Short: "Migrate the database",
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Long: `Migrate the database to destination migration version.
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Destination migration version can be one of the following value types:
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Migrate to the most recent migration.
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e.g. db:migrate up
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Rollback the most recent migration.
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e.g. db:migrate down
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Migrate to a specific migration.
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e.g. db:migrate 42
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Migrate forward N steps.
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e.g. db:migrate +3
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Migrate backward N steps.
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e.g. db:migrate -2
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Redo previous N steps (migrate backward N steps then forward N steps).
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e.g. db:migrate -+1
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`,
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Run: cmdDBMigrate,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:status",
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Short: "Print current migration status",
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Run: cmdDBStatus,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:new NAME",
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Short: "Generate a new migration",
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Long: "Generate a new migration with the next sequence number and provided name",
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Run: cmdDBNew,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:setup",
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Short: "Setup database",
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Long: "This command will create, migrate and seed the database",
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Run: cmdDBSetup,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "db:reset",
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Short: "Reset database",
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Long: "This command will drop, create, migrate and seed the database (won't run in production)",
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Run: cmdDBReset,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "new APP-NAME",
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Short: "Create a new application",
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Long: "Generate all the required files to start on a new Super Graph app",
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Run: cmdNew,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: fmt.Sprintf("conf:dump [%s]", strings.Join(viper.SupportedExts, "|")),
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Short: "Dump config to file",
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Long: "Dump current config to a file in the selected format",
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Run: cmdConfDump,
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})
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rootCmd.AddCommand(&cobra.Command{
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Use: "version",
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Short: "Super Graph binary version information",
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Run: cmdVersion,
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})
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rootCmd.Flags().StringVar(&confPath,
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"path", "./config", "path to config files")
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if err := rootCmd.Execute(); err != nil {
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errlog.Fatal().Err(err).Send()
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}
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}
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func initLog() {
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out := zerolog.ConsoleWriter{Out: os.Stderr}
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logger = zerolog.New(out).With().Timestamp().Logger()
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errlog = logger.With().Caller().Logger()
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}
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func initConf() (*config, error) {
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vi := newConfig(getConfigName())
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if err := vi.ReadInConfig(); err != nil {
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return nil, err
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}
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inherits := vi.GetString("inherits")
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if len(inherits) != 0 {
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vi = newConfig(inherits)
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if err := vi.ReadInConfig(); err != nil {
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return nil, err
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}
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if vi.IsSet("inherits") {
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errlog.Fatal().Msgf("inherited config (%s) cannot itself inherit (%s)",
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inherits,
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vi.GetString("inherits"))
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}
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vi.SetConfigName(getConfigName())
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if err := vi.MergeInConfig(); err != nil {
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return nil, err
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}
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}
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c := &config{}
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if err := c.Init(vi); err != nil {
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return nil, fmt.Errorf("unable to decode config, %v", err)
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}
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logLevel, err := zerolog.ParseLevel(c.LogLevel)
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if err != nil {
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errlog.Error().Err(err).Msg("error setting log_level")
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}
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zerolog.SetGlobalLevel(logLevel)
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return c, nil
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}
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func initDB(c *config, useDB bool) (*pgx.Conn, error) {
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config, _ := pgx.ParseConfig("")
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config.Host = c.DB.Host
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config.Port = c.DB.Port
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config.User = c.DB.User
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config.Password = c.DB.Password
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config.RuntimeParams = map[string]string{
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"application_name": c.AppName,
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"search_path": c.DB.Schema,
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}
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if useDB {
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config.Database = c.DB.DBName
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}
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switch c.LogLevel {
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case "debug":
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config.LogLevel = pgx.LogLevelDebug
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case "info":
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config.LogLevel = pgx.LogLevelInfo
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case "warn":
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config.LogLevel = pgx.LogLevelWarn
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case "error":
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config.LogLevel = pgx.LogLevelError
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default:
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config.LogLevel = pgx.LogLevelNone
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}
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config.Logger = NewSQLLogger(logger)
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db, err := pgx.ConnectConfig(context.Background(), config)
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if err != nil {
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return nil, err
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}
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return db, nil
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}
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func initDBPool(c *config) (*pgxpool.Pool, error) {
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config, _ := pgxpool.ParseConfig("")
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config.ConnConfig.Host = c.DB.Host
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config.ConnConfig.Port = c.DB.Port
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config.ConnConfig.Database = c.DB.DBName
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config.ConnConfig.User = c.DB.User
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config.ConnConfig.Password = c.DB.Password
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config.ConnConfig.RuntimeParams = map[string]string{
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"application_name": c.AppName,
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"search_path": c.DB.Schema,
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}
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switch c.LogLevel {
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case "debug":
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config.ConnConfig.LogLevel = pgx.LogLevelDebug
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case "info":
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config.ConnConfig.LogLevel = pgx.LogLevelInfo
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case "warn":
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config.ConnConfig.LogLevel = pgx.LogLevelWarn
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case "error":
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config.ConnConfig.LogLevel = pgx.LogLevelError
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default:
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config.ConnConfig.LogLevel = pgx.LogLevelNone
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}
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config.ConnConfig.Logger = NewSQLLogger(logger)
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// if c.DB.MaxRetries != 0 {
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// opt.MaxRetries = c.DB.MaxRetries
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// }
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if c.DB.PoolSize != 0 {
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config.MaxConns = conf.DB.PoolSize
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}
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db, err := pgxpool.ConnectConfig(context.Background(), config)
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if err != nil {
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return nil, err
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}
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return db, nil
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}
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func initCompiler() {
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var err error
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qcompile, pcompile, err = initCompilers(conf)
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if err != nil {
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errlog.Fatal().Err(err).Msg("failed to initialize compilers")
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}
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if err := initResolvers(); err != nil {
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errlog.Fatal().Err(err).Msg("failed to initialized resolvers")
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}
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}
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func initConfOnce() {
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var err error
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if conf == nil {
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if conf, err = initConf(); err != nil {
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errlog.Fatal().Err(err).Msg("failed to read config")
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}
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}
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}
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func cmdVersion(cmd *cobra.Command, args []string) {
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fmt.Printf("\n%s\n", BuildDetails())
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}
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func BuildDetails() string {
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return fmt.Sprintf(`
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Super Graph %v
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Commit SHA-1 : %v
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Commit timestamp : %v
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Branch : %v
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Go version : %v
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For documentation, visit https://supergraph.dev
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Licensed under the Apache Public License 2.0
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Copyright 2015-2019 Vikram Rangnekar.
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`,
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version,
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lastCommitSHA,
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lastCommitTime,
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gitBranch,
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runtime.Version())
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}
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