153 lines
3.3 KiB
Go
153 lines
3.3 KiB
Go
package config
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import (
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"errors"
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"mbase/pkg/client"
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"go.yaml.in/yaml/v4"
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)
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const (
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defaultHostname = "localhost"
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configFilename = "maind.yaml"
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logFilename = "maind.log"
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pidFilename = "maind.pid"
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)
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var (
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buildVersion = "NONE"
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)
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type Networks struct {
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Enabled []string `json:"enabled" yaml:"enabled"`
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Disabled []string `json:"disabled" yaml:"disabled"`
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}
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type ServiceConfig struct {
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Portnum uint32 `json:"port" yaml:"port"`
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Address string `json:"address" yaml:"address"`
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Protocol string `json:"protocol" yaml:"protocol"`
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}
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type Config struct {
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PackageVersion string `json:"packageVersion" yaml:"packageVersion"`
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Service ServiceConfig `json:"service" yaml:"service"`
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Networks Networks `json:"networks" yaml:"networks"`
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Hostname string `json:"hostname" yaml:"hostname"`
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Debug bool `json:"debug" yaml:"debug"`
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Build string `json:"build" yaml:"build"`
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LogPath string `json:"logfile" yaml:"logfile"`
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RunPath string `json:"runfile" yaml:"runfile"`
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DataDir string `json:"datadir" yaml:"datadir"`
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Daemon bool `json:"daemon" yaml:"daemon"`
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}
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var (
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defaultEnabledNetworks = []string{"0.0.0.0/0", "::/0"}
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defaultDisabledNetworks = []string{}
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)
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const (
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defaultServiceAddress = "0.0.0.0"
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defaultServiceProtocol = "tcp"
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)
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func NewConfig() *Config {
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conf := &Config{
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Service: ServiceConfig{
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Portnum: client.DefaultPort,
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Address: defaultServiceAddress,
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Protocol: defaultServiceProtocol,
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},
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DataDir: datadirPath,
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Debug: false,
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Hostname: defaultHostname,
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Build: buildVersion,
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Daemon: true,
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PackageVersion: packageVersion,
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Networks: Networks{
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Enabled: defaultEnabledNetworks,
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Disabled: defaultDisabledNetworks,
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},
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}
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conf.LogPath = filepath.Join(logdirPath, logFilename)
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conf.RunPath = filepath.Join(rundirPath, pidFilename)
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return conf
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}
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func (conf *Config) ReadFile() error {
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var err error
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confPath := filepath.Join(confdirPath, configFilename)
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confBytes, err := os.ReadFile(confPath)
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if err != nil {
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return err
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}
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err = yaml.Unmarshal(confBytes, conf)
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if err != nil {
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return err
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}
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conf.Normalize()
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err = conf.Validate()
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if err != nil {
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return err
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}
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return nil
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}
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func (conf *Config) ReadEnv() error {
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var err error
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return err
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}
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func (conf *Config) ReadOpts() error {
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var err error
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exeName := filepath.Base(os.Args[0])
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flag.BoolVar(&conf.Daemon, "daemon", conf.Daemon, "run as daemon")
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flag.BoolVar(&conf.Debug, "debug", conf.Debug, "on debug mode")
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help := func() {
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fmt.Println("")
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fmt.Printf("Usage: %s [option]\n", exeName)
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fmt.Println("")
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fmt.Println("Options:")
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flag.PrintDefaults()
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fmt.Println("")
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}
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flag.Usage = help
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flag.Parse()
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return err
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}
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func (conf *Config) String() (string, error) {
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var err error
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var res string
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yamlBytes, err := yaml.Marshal(conf)
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if err != nil {
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return res, err
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}
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res = string(yamlBytes)
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return res, err
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}
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func (conf *Config) Normalize() {
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if conf.Service.Portnum == 0 {
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conf.Service.Portnum = client.DefaultPort
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}
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}
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func (conf *Config) Validate() error {
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var err []error
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return errors.Join(err...)
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}
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