mirror of https://github.com/0xERR0R/blocky.git
115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
package cmd
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import (
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"fmt"
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"net"
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"os"
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"strconv"
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"strings"
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"github.com/0xERR0R/blocky/config"
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"github.com/0xERR0R/blocky/log"
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"github.com/0xERR0R/blocky/util"
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"github.com/spf13/cobra"
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)
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//nolint:gochecknoglobals
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var (
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configPath string
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apiHost string
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apiPort uint16
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)
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const (
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defaultPort = 4000
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defaultHost = "localhost"
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defaultConfigPath = "./config.yml"
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configFileEnvVar = "BLOCKY_CONFIG_FILE"
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configFileEnvVarOld = "CONFIG_FILE"
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)
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// NewRootCommand creates a new root cli command instance
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func NewRootCommand() *cobra.Command {
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c := &cobra.Command{
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Use: "blocky",
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Short: "blocky is a DNS proxy ",
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Long: `A fast and configurable DNS Proxy
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and ad-blocker for local network.
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Complete documentation is available at https://github.com/0xERR0R/blocky`,
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RunE: func(cmd *cobra.Command, args []string) error {
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return newServeCommand().RunE(cmd, args)
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},
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SilenceUsage: true,
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}
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c.PersistentFlags().StringVarP(&configPath, "config", "c", defaultConfigPath, "path to config file or folder")
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c.PersistentFlags().StringVar(&apiHost, "apiHost", defaultHost, "host of blocky (API). Default overridden by config and CLI.") //nolint:lll
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c.PersistentFlags().Uint16Var(&apiPort, "apiPort", defaultPort, "port of blocky (API). Default overridden by config and CLI.") //nolint:lll
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c.AddCommand(newRefreshCommand(),
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NewQueryCommand(),
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NewVersionCommand(),
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newServeCommand(),
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newBlockingCommand(),
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NewListsCommand(),
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NewHealthcheckCommand())
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return c
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}
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func apiURL() string {
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return fmt.Sprintf("http://%s%s", net.JoinHostPort(apiHost, strconv.Itoa(int(apiPort))), "/api")
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}
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//nolint:gochecknoinits
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func init() {
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cobra.OnInitialize(initConfig)
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}
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func initConfig() {
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if configPath == defaultConfigPath {
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val, present := os.LookupEnv(configFileEnvVar)
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if present {
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configPath = val
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} else {
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val, present = os.LookupEnv(configFileEnvVarOld)
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if present {
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configPath = val
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}
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}
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}
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cfg, err := config.LoadConfig(configPath, false)
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if err != nil {
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util.FatalOnError("unable to load configuration: ", err)
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}
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log.ConfigureLogger(&cfg.Log)
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if len(cfg.Ports.HTTP) != 0 {
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split := strings.Split(cfg.Ports.HTTP[0], ":")
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lastIdx := len(split) - 1
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apiHost = strings.Join(split[:lastIdx], ":")
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port, err := config.ConvertPort(split[lastIdx])
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if err != nil {
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util.FatalOnError("can't convert port to number (1 - 65535)", err)
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return
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}
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apiPort = port
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}
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}
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// Execute starts the command
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func Execute() {
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if err := NewRootCommand().Execute(); err != nil {
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os.Exit(1)
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}
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}
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