db options + refactoring

db config should be taken from environment, but using `flag` was easier

cmd/panelcli/cli.go

@@ -11,18 +11,28 @@ import (
 	"github.com/howeyc/gopass"
 )
 
+type commandFunc func([]string) error
+
+var globalOptions struct {
+	verbose   bool
+	pgOptions pg.Options
+}
+
+var cmdMap map[string]commandFunc
+
+func init() {
+	cmdMap = map[string]commandFunc{
+		"setup":   cmdSetup,
+		"adduser": cmdAddUser,
+	}
+}
+
 func getDB() paneldb.DB {
-	pgdb := pg.Connect(&pg.Options{
+	pgdb := pg.Connect(&globalOptions.pgOptions)
-		User:     "panel",
-		Password: "panelpass",
-		Database: "feeds",
-	})
 	db := paneldb.DB{PgDB: pgdb}
 	return db
 }
 
-type commandFunc func([]string) error
-
 func cmdSetup(_args []string) error {
 	db := getDB()
 	err := db.Setup()
@@ -30,7 +40,9 @@ func cmdSetup(_args []string) error {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
-	fmt.Println("All done")
+	if globalOptions.verbose {
+		fmt.Println("Tables created")
+	}
 	os.Exit(0)
 	return nil
 }
@@ -77,16 +89,13 @@ func cmdAddUser(args []string) error {
 		fmt.Fprintln(os.Stderr, err)
 		os.Exit(1)
 	}
-	fmt.Printf("Success: user %s added\n", user)
+	if globalOptions.verbose {
+		fmt.Printf("Success: user %s added\n", user)
+	}
 	os.Exit(0)
 	return nil
 }
 
-var cmdMap = map[string]commandFunc{
-	"setup":   cmdSetup,
-	"adduser": cmdAddUser,
-}
-
 func usage(w io.Writer) {
 	fmt.Fprintf(w, "Usage: %s SUBCOMMAND [command args...]\n", os.Args[0])
 	fmt.Fprintln(w, "\nSubcommands:")
@@ -96,8 +105,12 @@ func usage(w io.Writer) {
 }
 
 func main() {
+	flag.StringVar(&globalOptions.pgOptions.User, "db-user", "panel", "The user to connect to database to")
+	flag.StringVar(&globalOptions.pgOptions.Password, "db-pass", "", "database password")
+	flag.StringVar(&globalOptions.pgOptions.Database, "db-name", "feeds", "database name")
+	flag.StringVar(&globalOptions.pgOptions.Addr, "db-addr", "127.0.0.1:5432", "database network address")
+	flag.BoolVar(&globalOptions.verbose, "verbose", false, "verbose output")
 	flag.Parse()
-	fmt.Println(flag.Args())
 	if len(flag.Args()) < 1 {
 		fmt.Fprintln(os.Stderr, "Not enough arguments!")
 		usage(os.Stderr)

db/db.go

@@ -36,7 +36,7 @@ func (db *DB) Setup() error {
 func (db *DB) UserAdd(username, email, pwd string) error {
 	stmt, err := db.PgDB.Prepare("INSERT INTO users.users (username, email, password) VALUES ($1, $2, $3)")
 	if err != nil {
-		panic("Bad statement in UserAdd")
+		return errors.Wrap(err, "Error preparing insert statement")
 	}
 	pwhash, err := bcrypt.GenerateFromPassword([]byte(pwd), bcrypt.DefaultCost)
 	if err != nil {
@@ -44,7 +44,7 @@ func (db *DB) UserAdd(username, email, pwd string) error {
 	}
 	_, err = stmt.Exec(username, email, string(pwhash))
 	if err != nil {
-		return errors.Wrapf(err, "Error adding user `%s`", email)
+		return errors.Wrapf(err, "Error adding user `%s`", username)
 	}
 	return nil
 }