4535122a06
- prism start command - more configs for prism when assembling the pieces - cluster notifies on membership change, determines hash range, announces hashes
103 lines
2.2 KiB
Go
103 lines
2.2 KiB
Go
package cmd
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import (
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"encoding/json"
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"io/ioutil"
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"os"
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"github.com/lbryio/lbry.go/errors"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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)
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// Config is the base configuration for Prism when no sub commands are used.
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type Config struct {
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AwsID string `json:"aws_id"`
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AwsSecret string `json:"aws_secret"`
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BucketRegion string `json:"bucket_region"`
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BucketName string `json:"bucket_name"`
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DBConn string `json:"db_conn"`
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}
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var verbose bool
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var conf string
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var globalConfig Config
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var rootCmd = &cobra.Command{
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Use: "prism",
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Short: "Prism is a single entry point application with multiple sub modules which can be leveraged individually or together",
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PersistentPreRun: func(cmd *cobra.Command, args []string) {
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if verbose {
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log.SetLevel(log.DebugLevel)
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}
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var err error
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if conf == "" {
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log.Errorln("--conf flag required")
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os.Exit(1)
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} else {
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globalConfig, err = loadConfig(conf)
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if err != nil {
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log.Error(err)
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os.Exit(1)
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}
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}
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},
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// Uncomment the following line if your bare application
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// has an action associated with it:
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// Run: func(cmd *cobra.Command, args []string) { },
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}
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func init() {
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rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Enable verbose logging")
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rootCmd.PersistentFlags().StringVar(&conf, "conf", "config.json", "Path to config")
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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log.Errorln(err)
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os.Exit(1)
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}
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}
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func checkErr(err error) {
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if err != nil {
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panic(err)
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}
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}
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func argFuncs(funcs ...cobra.PositionalArgs) cobra.PositionalArgs {
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return func(cmd *cobra.Command, args []string) error {
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for _, f := range funcs {
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err := f(cmd, args)
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if err != nil {
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return err
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}
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}
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return nil
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}
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}
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func loadConfig(path string) (Config, error) {
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var c Config
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raw, err := ioutil.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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return c, errors.Err("config file not found")
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}
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return c, err
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}
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err = json.Unmarshal(raw, &c)
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if err != nil {
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return c, err
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}
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return c, nil
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}
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