增加历史版本恢复demo

example/object/object_recover.go

@@ -0,0 +1,104 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"net/url"
+
+	"net/http"
+
+	"github.com/tencentyun/cos-go-sdk-v5"
+	"github.com/tencentyun/cos-go-sdk-v5/debug"
+)
+
+func log_status(err error) {
+	if err == nil {
+		return
+	}
+	if cos.IsNotFoundError(err) {
+		// WARN
+		fmt.Println("WARN: Resource is not existed: %v", err)
+	} else if e, ok := cos.IsCOSError(err); ok {
+		fmt.Printf("ERROR: Code: %v\n", e.Code)
+		fmt.Printf("ERROR: Message: %v\n", e.Message)
+		fmt.Printf("ERROR: Resource: %v\n", e.Resource)
+		fmt.Printf("ERROR: RequestId: %v\n", e.RequestID)
+		// ERROR
+	} else {
+		fmt.Printf("ERROR: %v\n", err)
+		// ERROR
+	}
+}
+
+var (
+	srcBucket       = "test-1259654469"
+	dstBucket       = "test2-1259654469"
+	srcBucketRegion = "ap-guangzhou"
+	dstBucketRegion = "ap-guangzhou"
+
+	srcCosClient *cos.Client
+	dstCosClient *cos.Client
+)
+
+func newClient(bucket, region string) *cos.Client {
+	u, _ := url.Parse(fmt.Sprintf("https://%v.cos.%v.myqcloud.com", bucket, region))
+	b := &cos.BaseURL{
+		BucketURL: u,
+	}
+	return cos.NewClient(b, &http.Client{
+		Transport: &cos.AuthorizationTransport{
+			SecretID:  os.Getenv("COS_SECRETID"),
+			SecretKey: os.Getenv("COS_SECRETKEY"),
+			Transport: &debug.DebugRequestTransport{
+				RequestHeader:  false,
+				RequestBody:    false,
+				ResponseHeader: false,
+				ResponseBody:   false,
+			},
+		},
+	})
+}
+
+func recoverObj(key, versionId string) {
+	sourceURL := fmt.Sprintf("%v.cos.%v.myqcloud.com/%v?versionId=%v", srcBucket, srcBucketRegion, key, versionId)
+	_, _, err := dstCosClient.Object.MultiCopy(context.Background(), key, sourceURL, nil)
+	if err != nil {
+		log_status(err)
+	}
+}
+
+func main() {
+	srcCosClient = newClient(srcBucket, srcBucketRegion)
+	dstCosClient = newClient(dstBucket, dstBucketRegion)
+
+	keyMarker := ""
+	versionIdMarker := ""
+	isTruncated := true
+	opt := &cos.BucketGetObjectVersionsOptions{
+		EncodingType: "url",
+	}
+	var preKey string
+	for isTruncated {
+		opt.KeyMarker = keyMarker
+		opt.VersionIdMarker = versionIdMarker
+		v, _, err := srcCosClient.Bucket.GetObjectVersions(context.Background(), opt)
+		if err != nil {
+			log_status(err)
+			break
+		}
+		for _, vc := range v.Version {
+			// 最新非deletemarker对象
+			if preKey != vc.Key {
+				preKey = vc.Key
+				key, _ := cos.DecodeURIComponent(vc.Key)
+				fmt.Printf("key: %v, versionId: %v, lastest: %v\n", key, vc.VersionId, vc.IsLatest)
+				recoverObj(key, vc.VersionId)
+			}
+		}
+		keyMarker = v.NextKeyMarker
+		versionIdMarker = v.NextVersionIdMarker
+		isTruncated = v.IsTruncated
+	}
+}

example/object/object_recover2.go

@@ -0,0 +1,107 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+
+	"net/url"
+
+	"net/http"
+
+	"github.com/tencentyun/cos-go-sdk-v5"
+	"github.com/tencentyun/cos-go-sdk-v5/debug"
+)
+
+func log_status(err error) {
+	if err == nil {
+		return
+	}
+	if cos.IsNotFoundError(err) {
+		// WARN
+		fmt.Println("WARN: Resource is not existed: %v", err)
+	} else if e, ok := cos.IsCOSError(err); ok {
+		fmt.Printf("ERROR: Code: %v\n", e.Code)
+		fmt.Printf("ERROR: Message: %v\n", e.Message)
+		fmt.Printf("ERROR: Resource: %v\n", e.Resource)
+		fmt.Printf("ERROR: RequestId: %v\n", e.RequestID)
+		// ERROR
+	} else {
+		fmt.Printf("ERROR: %v\n", err)
+		// ERROR
+	}
+}
+
+var (
+	srcBucket       = "test-1259654469"
+	srcBucketRegion = "ap-guangzhou"
+
+	srcCosClient *cos.Client
+
+	copyObjs = map[string]struct{}{}
+)
+
+func newClient(bucket, region string) *cos.Client {
+	u, _ := url.Parse(fmt.Sprintf("https://%v.cos.%v.myqcloud.com", bucket, region))
+	b := &cos.BaseURL{
+		BucketURL: u,
+	}
+	return cos.NewClient(b, &http.Client{
+		Transport: &cos.AuthorizationTransport{
+			SecretID:  os.Getenv("COS_SECRETID"),
+			SecretKey: os.Getenv("COS_SECRETKEY"),
+			Transport: &debug.DebugRequestTransport{
+				RequestHeader:  false,
+				RequestBody:    false,
+				ResponseHeader: false,
+				ResponseBody:   false,
+			},
+		},
+	})
+}
+
+func recoverObj(key, versionId string) {
+	sourceURL := fmt.Sprintf("%v.cos.%v.myqcloud.com/%v?versionId=%v", srcBucket, srcBucketRegion, key, versionId)
+	_, _, err := srcCosClient.Object.MultiCopy(context.Background(), key, sourceURL, nil)
+	if err != nil {
+		log_status(err)
+	}
+}
+
+func main() {
+	srcCosClient = newClient(srcBucket, srcBucketRegion)
+
+	keyMarker := ""
+	versionIdMarker := ""
+	isTruncated := true
+	opt := &cos.BucketGetObjectVersionsOptions{
+		EncodingType: "url",
+	}
+	for isTruncated {
+		opt.KeyMarker = keyMarker
+		opt.VersionIdMarker = versionIdMarker
+		v, _, err := srcCosClient.Bucket.GetObjectVersions(context.Background(), opt)
+		if err != nil {
+			log_status(err)
+			break
+		}
+		for _, vc := range v.DeleteMarker {
+			if vc.IsLatest {
+				// 对象被删除，需要恢复
+				copyObjs[vc.Key] = struct{}{}
+			}
+		}
+		for _, vc := range v.Version {
+			// 按最新恢复
+			if _, ok := copyObjs[vc.Key]; ok {
+				delete(copyObjs, vc.Key)
+				key, _ := cos.DecodeURIComponent(vc.Key)
+				fmt.Printf("key: %v, versionId: %v\n", key, vc.VersionId)
+				recoverObj(key, vc.VersionId)
+			}
+		}
+		keyMarker = v.NextKeyMarker
+		versionIdMarker = v.NextVersionIdMarker
+		isTruncated = v.IsTruncated
+	}
+}