1

internal/config/config.go

@@ -0,0 +1,53 @@
+package config
+
+import (
+	"errors"
+	"fmt"
+	"os"
+
+	"github.com/ilyakaznacheev/cleanenv"
+)
+
+var (
+	ErrInternal   = errors.New("can not load config")
+	ErrMarshaling = errors.New("can not marshal config path")
+)
+
+func MustLoad(version, commit, date string) *Config {
+	cfg, err := loadConfig()
+	if err != nil {
+		panic(err)
+	}
+
+	cfg.Build.Version = version
+	cfg.Build.Commit = commit
+	cfg.Build.Date = date
+
+	return cfg
+}
+
+func loadConfig() (*Config, error) {
+	if _, err := os.Stat(ConfigBasePath); os.IsNotExist(err) {
+		return nil, fmt.Errorf("no config file found")
+	}
+
+	var localConfig LocalDeploy
+
+	if err := cleanenv.ReadConfig(ConfigBasePath, &localConfig); err != nil {
+		return nil, fmt.Errorf("error reading local config: %w", err)
+	}
+
+	for _, env := range localConfig.Deploy.Env {
+		if err := os.Setenv(env.Name, env.Value); err != nil {
+			return nil, fmt.Errorf("error setting env %s: %w", env.Name, err)
+		}
+	}
+
+	var cfg Config
+
+	if err := cleanenv.ReadConfig(ConfigBasePath, &cfg); err != nil {
+		return nil, err
+	}
+
+	return &cfg, nil
+}