itd/config.go

111 lines
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package main
import (
"os"
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"path/filepath"
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"strings"
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"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/confmap"
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
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"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
)
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var cfgDir string
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func init() {
etcPath := "/etc/itd.toml";
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// Set up logger
log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
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// Get user's configuration directory
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userCfgDir, err := os.UserConfigDir()
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if err != nil {
panic(err)
}
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cfgDir = filepath.Join(userCfgDir, "itd")
// If config dir is not readable
if _, err = os.ReadDir(cfgDir); err != nil {
// Create config dir with 700 permissions
err = os.MkdirAll(cfgDir, 0o700)
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if err != nil {
panic(err)
}
}
// Get current and old config paths
cfgPath := filepath.Join(cfgDir, "itd.toml")
oldCfgPath := filepath.Join(userCfgDir, "itd.toml")
// If old config path exists
if _, err = os.Stat(oldCfgPath); err == nil {
// Move old config to new path
err = os.Rename(oldCfgPath, cfgPath)
if err != nil {
panic(err)
}
}
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// Set config defaults
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setCfgDefaults()
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// Load and watch config files
loadAndwatchCfgFile(etcPath)
loadAndwatchCfgFile(cfgPath)
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// Load envireonment variables
k.Load(env.Provider("ITD_", "_", func(s string) string {
return strings.ToLower(strings.TrimPrefix(s, "ITD_"))
}), nil)
}
func loadAndwatchCfgFile(filename string) {
provider := file.Provider(filename)
if cfgError := k.Load(provider, toml.Parser()); cfgError != nil {
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log.Warn().Str("filename", filename).Err(cfgError).Msg("Error while trying to read config file")
}
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// Watch for changes and reload when detected
provider.Watch(func(_ interface{}, err error) {
if err != nil {
return
}
if cfgError := k.Load(provider, toml.Parser()); cfgError != nil {
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log.Warn().Str("filename", filename).Err(cfgError).Msg("Error while trying to read config file")
}
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})
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}
func setCfgDefaults() {
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k.Load(confmap.Provider(map[string]interface{}{
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"bluetooth.adapter": "hci0",
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"socket.path": "/tmp/itd/socket",
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"conn.reconnect": true,
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"conn.whitelist.enabled": false,
"conn.whitelist.devices": []string{},
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"on.connect.notify": true,
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"on.reconnect.notify": true,
"on.reconnect.setTime": true,
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"notifs.translit.use": []string{"eASCII"},
"notifs.translit.custom": []string{},
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"notifs.ignore.sender": []string{},
"notifs.ignore.summary": []string{"InfiniTime"},
"notifs.ignore.body": []string{},
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"music.vol.interval": 5,
}, "."), nil)
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}