mirror of
https://github.com/taigrr/bitcask
synced 2025-01-18 04:03:17 -08:00
5be114adab
* internal/data: comment exported functions * internal/data: make smaller codec exported api surface * make key and value sizes serializing bubble up to everything * Makefile setup & go mod tidy
68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package main
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import (
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"os"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/prologic/bitcask"
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)
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var initdbCmd = &cobra.Command{
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Use: "initdb",
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Aliases: []string{"create", "init"},
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Short: "Initialize a new database",
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Long: `This initializes a new database with persisted options`,
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Args: cobra.ExactArgs(0),
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PreRun: func(cmd *cobra.Command, args []string) {
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viper.BindPFlag("with-max-datafile-size", cmd.Flags().Lookup("with-max-datafile-size"))
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viper.SetDefault("with-max-datafile-size", bitcask.DefaultMaxDatafileSize)
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viper.BindPFlag("with-max-key-size", cmd.Flags().Lookup("with-max-key-size"))
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viper.SetDefault("with-max-key-size", bitcask.DefaultMaxKeySize)
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viper.BindPFlag("with-max-value-size", cmd.Flags().Lookup("with-max-value-size"))
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viper.SetDefault("with-max-value-size", bitcask.DefaultMaxValueSize)
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},
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Run: func(cmd *cobra.Command, args []string) {
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path := viper.GetString("path")
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maxDatafileSize := viper.GetInt("with-max-datafile-size")
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maxKeySize := viper.GetUint32("with-max-key-size")
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maxValueSize := viper.GetUint64("with-max-value-size")
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db, err := bitcask.Open(
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path,
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bitcask.WithMaxDatafileSize(maxDatafileSize),
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bitcask.WithMaxKeySize(maxKeySize),
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bitcask.WithMaxValueSize(maxValueSize),
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)
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if err != nil {
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log.WithError(err).Error("error opening database")
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os.Exit(1)
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}
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defer db.Close()
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os.Exit(0)
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},
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}
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func init() {
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RootCmd.AddCommand(initdbCmd)
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initdbCmd.PersistentFlags().IntP(
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"with-max-datafile-size", "", bitcask.DefaultMaxDatafileSize,
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"Maximum size of each datafile",
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)
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initdbCmd.PersistentFlags().Uint32P(
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"with-max-key-size", "", bitcask.DefaultMaxKeySize,
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"Maximum size of each key",
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)
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initdbCmd.PersistentFlags().Uint64P(
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"with-max-value-size", "", bitcask.DefaultMaxValueSize,
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"Maximum size of each value",
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)
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}
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