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4202c775ba
https://github.com/milvus-io/milvus/issues/35856 Signed-off-by: junjie.jiang <junjie.jiang@zilliz.com>
70 lines
1.9 KiB
Go
70 lines
1.9 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utils
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"math/rand"
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"net/http"
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"time"
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)
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const DefaultTimeout int64 = 30
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func send(req *http.Request) ([]byte, error) {
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("Call service failed, read response failed, errs:[%v]", err)
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}
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if resp.StatusCode != http.StatusOK {
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return nil, fmt.Errorf("Call service failed, errs:[%s, %s]", resp.Status, body)
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}
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return body, nil
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}
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func RetrySend(ctx context.Context, data []byte, httpMethod string, url string, headers map[string]string, maxRetries int) ([]byte, error) {
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var err error
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var body []byte
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for i := 0; i < maxRetries; i++ {
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req, reqErr := http.NewRequestWithContext(ctx, httpMethod, url, bytes.NewBuffer(data))
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if reqErr != nil {
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return nil, reqErr
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}
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for k, v := range headers {
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req.Header.Set(k, v)
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}
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body, err = send(req)
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if err == nil {
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return body, nil
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}
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backoffDelay := 1 << uint(i) * time.Second
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jitter := time.Duration(rand.Int63n(int64(backoffDelay / 4)))
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time.Sleep(backoffDelay + jitter)
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}
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return nil, err
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}
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