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storage: Implement GetDiskID request in REST server side (#9720)

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GetDiskID() in storage rest client does not really issue a REST request
to the remote disk, but returns an in-memory value instead.

However, GetDiskID() should return an error when format.json is not
found or for other similar issues (unmounted disks, etc..)

GetDiskID() is only called when formatting disks and getting storage
informatio, hence this commit should not have a performance degradation.
This commit is contained in:
Anis Elleuch
2020-05-28 16:17:42 +01:00
committed by GitHub
parent 661068d1a2
commit 375b79f11b
4 changed files with 32 additions and 2 deletions
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14
cmd/storage-rest-client.go
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@@ -177,7 +177,19 @@ func (client *storageRESTClient) CrawlAndGetDataUsage(ctx context.Context, cache
}
func (client *storageRESTClient) GetDiskID() (string, error) {
return client.diskID, nil
respBody, err := client.call(storageRESTMethodGetDiskID, nil, nil, -1)
if err != nil {
// Ignore when other nodes does not support GetDiskID call, this check
// can be removed when the storage API version is bumped.
if strings.Contains(err.Error(), "404 page not found") {
return client.diskID, nil
}
return "", err
}
defer http.DrainBody(respBody)
var s string
err = gob.NewDecoder(respBody).Decode(&s)
return s, err
}
func (client *storageRESTClient) SetDiskID(id string) {