howmuch/internal/howmuch/config.go
2024-10-05 23:51:11 +02:00

109 lines
3.3 KiB
Go

// MIT License
//
// Copyright (c) 2024 vinchent <vinchent@vinchent.xyz>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package howmuch
import (
"os"
"path/filepath"
"strings"
"git.vinchent.xyz/vinchent/howmuch/internal/pkg/log"
"github.com/fsnotify/fsnotify"
"github.com/spf13/cobra"
"github.com/spf13/viper"
)
const (
defaultConfigName = "howmuch"
homeConfigFolder = ".howmuch"
envPrevfix = "HOWMUCH"
configType = "yaml"
)
func defaultConfig() {
viper.SetDefault("dev-mode", true)
// web
viper.SetDefault("web.addr", ":8000")
viper.SetDefault("web.shutdown-timeout", "10")
// db
viper.SetDefault("db.host", "localhost")
viper.SetDefault("db.port", 5432)
viper.SetDefault("db.username", "postgres")
viper.SetDefault("db.password", "example")
viper.SetDefault("db.database", "howmuch")
viper.SetDefault("db.sslmode", "disable")
}
// initConfig reads in config file and ENV variables if set.
func initConfig() {
defaultConfig()
if cfgFile != "" {
// Use config file from the flag.
viper.SetConfigFile(cfgFile)
} else {
home, err := os.UserHomeDir()
cobra.CheckErr(err)
viper.AddConfigPath(filepath.Join(home, homeConfigFolder))
viper.AddConfigPath(".")
viper.SetConfigType(configType)
viper.SetConfigName(defaultConfigName)
}
viper.AutomaticEnv() // read in environment variables that match
viper.SetEnvPrefix(envPrevfix)
// replace . - to _ in the envvar
replacer := strings.NewReplacer(".", "_", "-", "_")
viper.SetEnvKeyReplacer(replacer)
if err := viper.ReadInConfig(); err != nil {
log.ErrorLog("Failed to read viper configuration file, use default config", "err", err)
return
}
// watching reloading conf
viper.OnConfigChange(func(e fsnotify.Event) {
log.InfoLog("Config file changed:", e.Name)
})
viper.WatchConfig()
log.DebugLog("Using config file", "file", viper.ConfigFileUsed())
}
// logOptions set log options from the configs read by viper.
func logOptions() *log.Options {
return &log.Options{
Level: viper.GetString("log.level"),
Development: viper.GetBool("dev-mode"),
DisableCaller: viper.GetBool("log.disable-caller"),
DisableStacktrace: viper.GetBool("log.disable-stacktrace"),
Format: viper.GetString("log.format"),
OutputPaths: viper.GetStringSlice("log.output-paths"),
}
}