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Allow registry exporter to work with gRPC objects #142

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fyrchik merged 1 commit from elebedeva/xk6-frostfs:fix/registry-export-grpc-obj into master 2024-06-04 12:17:23 +00:00
Conversation 0 Commits 1 Files changed 1 +45 -6
1 changed files with 45 additions and 6 deletions
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51
internal/registry/obj_exporter.go
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@ -37,6 +37,7 @@ func (o *ObjExporter) ExportJSONPreGen(fileName string) error {
}
bucketMap := make(map[string]struct{})
containerMap := make(map[string]struct{})
count, err := o.selector.Count()
if err != nil {
@ -50,7 +51,7 @@ func (o *ObjExporter) ExportJSONPreGen(fileName string) error {
break
}
if _, err = f.WriteString(fmt.Sprintf(`%s{"bucket":"%s","object":"%s"}`, comma, info.S3Bucket, info.S3Key)); err != nil {
if err = writeObjectInfo(comma, info, f); err != nil {
return err
}
@ -58,15 +59,54 @@ func (o *ObjExporter) ExportJSONPreGen(fileName string) error {
comma = ","
}
bucketMap[info.S3Bucket] = struct{}{}
if info.S3Bucket != "" {
bucketMap[info.S3Bucket] = struct{}{}
}
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fyrchik commented 2024-05-31 18:48:00 +00:00
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This is wrong: len(bucketMap) can happily be 1 if we have exactly 1 S3 bucket, and in this case we need to print it.

What we might do instead is to have 2 maps (bucketMap and containerMap) and add only nonzero keys to them.

This is wrong: `len(bucketMap)` can happily be 1 if we have exactly 1 S3 bucket, and in this case we need to print it. What we might do instead is to have 2 maps (`bucketMap` and `containerMap`) and add only nonzero keys to them.
elebedeva commented 2024-06-03 20:18:11 +00:00
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fixed

fixed
if info.CID != "" {
containerMap[info.CID] = struct{}{}
}
}
acid-ant commented 2024-06-04 09:07:07 +00:00
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Can be shortened to:

if len(bucketMap) > 0 {
  err = writeContainerInfo("buckets", bucketMap, f)
} else {
  err = writeContainerInfo("containers", containerMap, f)
}
return err
Can be shortened to: ``` if len(bucketMap) > 0 { err = writeContainerInfo("buckets", bucketMap, f) } else { err = writeContainerInfo("containers", containerMap, f) } return err ```
elebedeva commented 2024-06-04 09:15:50 +00:00
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fixed

fixed
if _, err = f.WriteString(`],"buckets":[`); err != nil {
if _, err = f.WriteString(`]`); err != nil {
return err
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fyrchik commented 2024-06-04 11:33:41 +00:00
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Why do you use errors.Join?
Error on write most likely will result in corrupted file (invalid JSON), we should just return the error.

Why do you use `errors.Join`? Error on write most likely will result in corrupted file (invalid JSON), we should just return the error.
elebedeva commented 2024-06-04 11:51:58 +00:00
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accidentally pushed, will fix

accidentally pushed, will fix
}
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fyrchik commented 2024-06-04 11:05:03 +00:00
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This is tricky: each object was either put via gRPC or via S3.
But both can be in the registry at the same time, so we should print both maps, I believe.

This is tricky: each object was either put via gRPC or via S3. But both can be in the registry at the same time, so we should print both maps, I believe.
elebedeva commented 2024-06-04 12:07:09 +00:00
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fixed

fixed
if len(bucketMap) > 0 {
if err = writeContainerInfo("buckets", bucketMap, f); err != nil {
return err
}
}
if len(containerMap) > 0 {
if err = writeContainerInfo("containers", containerMap, f); err != nil {
return err
}
}
if _, err = f.WriteString(`}`); err != nil {
return err
}
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fyrchik commented 2024-05-31 18:44:55 +00:00
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Why is it res += and not res = ?

Why is it `res += ` and not `res = `?
elebedeva commented 2024-06-03 20:19:13 +00:00
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Didn't notice, fixed

Didn't notice, fixed
return nil
}
func writeObjectInfo(comma string, info *ObjectInfo, f *os.File) (err error) {
var res string
if info.S3Bucket != "" || info.S3Key != "" {
res = fmt.Sprintf(`%s{"bucket":"%s","object":"%s"}`, comma, info.S3Bucket, info.S3Key)
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fyrchik commented 2024-06-04 11:06:03 +00:00
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This change seems unnecessary and pollutes diff (it was bucketMap, we could continue to accept bucketMap).

This change seems unnecessary and pollutes diff (it was `bucketMap`, we could continue to accept `bucketMap`).
👍 1
} else {
res = fmt.Sprintf(`%s{"cid":"%s","oid":"%s"}`, comma, info.CID, info.OID)
}
_, err = f.WriteString(res)
return err
}
func writeContainerInfo(attrName string, bucketMap map[string]struct{}, f *os.File) (err error) {
if _, err = f.WriteString(fmt.Sprintf(`,"%s":[`, attrName)); err != nil {
return err
}
i := 0
comma = ""
comma := ""
for bucket := range bucketMap {
if _, err = f.WriteString(fmt.Sprintf(`%s"%s"`, comma, bucket)); err != nil {
return err
@ -76,7 +116,6 @@ func (o *ObjExporter) ExportJSONPreGen(fileName string) error {
}
i++
}
_, err = f.WriteString(`]}`)
_, err = f.WriteString(`]`)
return err
}