he3pg/hbr-raw/cmd/help.go
2023-03-08 14:19:22 +08:00

111 lines
3.1 KiB
Go

package cmd
import (
"bytes"
//"context"
"fmt"
"io/ioutil"
"strconv"
"sync"
"os"
//"time"
"github.com/aws/aws-sdk-go/aws"
//"github.com/aws/aws-sdk-go/aws/credentials"
//"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
//"github.com/pingcap/tidb/config"
"github.com/pingcap/tidb/store/tikv"
"github.com/spf13/cobra"
)
var rootCmd = &cobra.Command{
Use: "hbr",
Short: "He3DB backup&restore",
Long: "Welcome to use hbr for He3DB backup&restore",
Run: runRoot,
}
var wg sync.WaitGroup
var concurrency int
func init() {
rootCmd.PersistentFlags().String("access_key", "", "S3 Access Key")
rootCmd.PersistentFlags().String("secret_key", "", "S3 Secret Key")
rootCmd.PersistentFlags().String("endpoint", "", "S3 endpoint")
rootCmd.PersistentFlags().String("region", "", "S3 region")
rootCmd.PersistentFlags().String("bucket", "", "S3 bucket")
rootCmd.PersistentFlags().String("pd", "http://127.0.0.1:2379", "Tikv placement driber")
rootCmd.PersistentFlags().String("name", "", "Backup name")
rootCmd.PersistentFlags().String("archive_start_file", "000000010000000000000001", "start key of archive[included]")
rootCmd.PersistentFlags().String("archive_start_time_line", "0000000000000001", "start time line of archive[included]")
rootCmd.PersistentFlags().String("archive_start_lsn", "0000000000000000", "start lsn of archive[included]")
rootCmd.PersistentFlags().IntVar(&concurrency, "concurrency", 100, "concurrency")
}
func Execute() {
if err := rootCmd.Execute(); err != nil {
panic(err)
}
}
func runRoot(cmd *cobra.Command, args []string) {
fmt.Printf("Welcome to use hbr for He3DB backup&restore\n")
}
func s3PutKV(s3_client *s3.S3, bucket string, backup_name string, filename string, v []byte, sem chan bool) {
defer wg.Done()
defer func() {
<-sem
}()
_, err := s3_client.PutObject(&s3.PutObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(backup_name + "/" + filename),
Body: bytes.NewReader(v),
})
if err != nil {
fmt.Printf("S3 PutObject Error!\n%v\n", err)
os.Exit(1)
}
//fmt.Printf("S3 PutObject!\n")
}
func s3RestoreKVRaw(s3_client *s3.S3, bucket string, backup_name string, keys *s3.Object, client *tikv.RawKVClient, sem chan bool) {
defer wg.Done()
defer func() {
<-sem
}()
out, err := s3_client.GetObject(&s3.GetObjectInput{
Bucket: aws.String(bucket),
Key: aws.String(*keys.Key),
})
if err != nil {
fmt.Printf("S3 GetObject Error!\n%v\n", err)
os.Exit(1)
}
defer out.Body.Close()
data, err := ioutil.ReadAll(out.Body)
if err != nil {
fmt.Printf("out.Body.Read!\n%v\n", err)
os.Exit(1)
}
fmt.Printf("filename:%s\n", (*keys.Key)[len(backup_name)+1:])
ret := make([]byte, (len(*keys.Key)-len(backup_name)-1)/2)
index := 0
for i := len(backup_name) + 1; i < len(*keys.Key); i += 2 {
value, _ := strconv.ParseUint((*keys.Key)[i:i+2], 16, 8)
ret[index] = byte(0xff & value)
index++
}
if err := client.Put(ret, data); err != nil {
fmt.Printf("Tikv Set Error!\n%v\n", err)
os.Exit(1)
}
}