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Do not assume all HTTP errors as Network errors (#7983)

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In situations such as when client uploading data,
prematurely disconnects from server such as pressing
ctrl-c before uploading all the data. Under this
situation in distributed setup we prematurely
disconnect disks causing a reconnect loop. This has
an adverse affect we end up leaving a lot of files
in temporary location which ideally should have been
cleaned up when Put() prematurely fails.

This is also a regression which got introduced in #7610
This commit is contained in:
Harshavardhana 2019-07-29 14:48:18 -07:00 committed by kannappanr
parent 94c88890b8
commit 54eded2e6f
3 changed files with 17 additions and 27 deletions
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2
cmd/object-api-common.go
View File

@ -129,7 +129,7 @@ func cleanupDir(ctx context.Context, storage StorageAPI, volume, dirPath string)
// Entry path is empty, just delete it.
if len(entries) == 0 {
err = storage.DeleteFile(volume, path.Clean(entryPath))
err = storage.DeleteFile(volume, entryPath)
logger.LogIf(ctx, err)
return err
}

4
cmd/storage-rest-client.go
View File

@ -44,8 +44,8 @@ func isNetworkError(err error) bool {
if err.Error() == errConnectionStale.Error() {
return true
}
if _, ok := err.(*rest.NetworkError); ok {
return true
if nerr, ok := err.(*rest.NetworkError); ok {
return isNetworkOrHostDown(nerr.Err)
}
return false
}

38
cmd/utils.go
View File

@ -29,7 +29,6 @@ import (
"io/ioutil"
"net"
"net/http"
"net/url"
"os"
"path/filepath"
"reflect"
@ -443,30 +442,21 @@ func isNetworkOrHostDown(err error) bool {
if err == nil {
return false
}
switch err.(type) {
case *net.DNSError, *net.OpError, net.UnknownNetworkError:
return true
case *url.Error:
// For a URL error, where it replies back "connection closed"
if strings.Contains(err.Error(), "Connection closed by foreign host") {
return true
}
return true
default:
if strings.Contains(err.Error(), "net/http: TLS handshake timeout") {
// If error is - tlsHandshakeTimeoutError,.
return true
} else if strings.Contains(err.Error(), "i/o timeout") {
// If error is - tcp timeoutError.
return true
} else if strings.Contains(err.Error(), "connection timed out") {
// If err is a net.Dial timeout.
return true
} else if strings.Contains(err.Error(), "net/http: HTTP/1.x transport connection broken") {
return true
}
// We need to figure if the error either a timeout
// or a non-temporary error.
e, ok := err.(net.Error)
if ok {
return e.Timeout()
}
return false
// Fallback to other mechanisms.
if strings.Contains(err.Error(), "i/o timeout") {
// If error is - tcp timeoutError.
ok = true
} else if strings.Contains(err.Error(), "connection timed out") {
// If err is a net.Dial timeout.
ok = true
}
return ok
}
// Used for registering with rest handlers (have a look at registerStorageRESTHandlers for usage example)