138 lines
3.2 KiB
Go
138 lines
3.2 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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"github.com/lbryio/lbry.go/util"
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"github.com/lbryio/reflector.go/dht"
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"github.com/johntdyer/slackrus"
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"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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SlackHookURL string `json:"slack_hook_url"`
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}
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var verbose []string
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const (
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verboseAll = "all"
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verboseDHT = "dht"
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verboseNodeFinder = "node_finder"
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)
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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: preRun,
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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().StringSliceVarP(&verbose, "verbose", "v", []string{}, "Verbose logging for specific components")
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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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logrus.Errorln(err)
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os.Exit(1)
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}
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}
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func preRun(cmd *cobra.Command, args []string) {
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debugLogger := logrus.New()
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debugLogger.SetLevel(logrus.DebugLevel)
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debugLogger.SetOutput(os.Stderr)
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if util.InSlice(verboseAll, verbose) {
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logrus.SetLevel(logrus.DebugLevel)
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verbose = []string{verboseDHT, verboseNodeFinder}
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}
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for _, debugType := range verbose {
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switch debugType {
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case verboseDHT:
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dht.UseLogger(debugLogger)
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case verboseNodeFinder:
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dht.NodeFinderUseLogger(debugLogger)
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}
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}
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var err error
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if conf == "" {
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logrus.Errorln("--conf flag required")
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os.Exit(1)
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} else if conf != "none" {
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globalConfig, err = loadConfig(conf)
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if err != nil {
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logrus.Error(err)
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os.Exit(1)
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}
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}
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if globalConfig.SlackHookURL != "" {
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hook := &slackrus.SlackrusHook{
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HookURL: globalConfig.SlackHookURL,
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AcceptedLevels: slackrus.LevelThreshold(logrus.InfoLevel),
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Channel: "#reflector-logs",
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//IconEmoji: ":ghost:",
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//Username: "reflector.go",
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}
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//logrus.SetFormatter(&logrus.JSONFormatter{})
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logrus.AddHook(hook)
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debugLogger.AddHook(hook)
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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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return c, err
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}
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