-
Notifications
You must be signed in to change notification settings - Fork 164
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #1084 from luisdavim/client_reties
- Loading branch information
Showing
4 changed files
with
102 additions
and
12 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| /* | ||
| Copyright The Helm Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| // TODO: this file was taken from https://github.com/helm/helm/blob/main/pkg/cli/roundtripper.go | ||
| // We should be able to get rid of it once https://github.com/helm/helm/issues/13052 is addressed | ||
| // A PR (https://github.com/helm/helm/pull/13383) was open and merged but not yet picked into any release | ||
| package kube | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "io" | ||
| "net/http" | ||
| "strings" | ||
| ) | ||
|
|
||
| type retryingRoundTripper struct { | ||
| wrapped http.RoundTripper | ||
| } | ||
|
|
||
| func (rt *retryingRoundTripper) RoundTrip(req *http.Request) (*http.Response, error) { | ||
| return rt.roundTrip(req, 1, nil) | ||
| } | ||
|
|
||
| func (rt *retryingRoundTripper) roundTrip(req *http.Request, retry int, prevResp *http.Response) (*http.Response, error) { | ||
| if retry < 0 { | ||
| return prevResp, nil | ||
| } | ||
| resp, rtErr := rt.wrapped.RoundTrip(req) | ||
| if rtErr != nil { | ||
| return resp, rtErr | ||
| } | ||
| if resp.StatusCode < 500 { | ||
| return resp, rtErr | ||
| } | ||
| if resp.Header.Get("content-type") != "application/json" { | ||
| return resp, rtErr | ||
| } | ||
| b, err := io.ReadAll(resp.Body) | ||
| resp.Body.Close() | ||
| if err != nil { | ||
| return resp, rtErr | ||
| } | ||
|
|
||
| var ke kubernetesError | ||
| r := bytes.NewReader(b) | ||
| err = json.NewDecoder(r).Decode(&ke) | ||
| r.Seek(0, io.SeekStart) | ||
| resp.Body = io.NopCloser(r) | ||
| if err != nil { | ||
| return resp, rtErr | ||
| } | ||
| if ke.Code < 500 { | ||
| return resp, rtErr | ||
| } | ||
| // Matches messages like "etcdserver: leader changed" | ||
| if strings.HasSuffix(ke.Message, "etcdserver: leader changed") { | ||
| return rt.roundTrip(req, retry-1, resp) | ||
| } | ||
| // Matches messages like "rpc error: code = Unknown desc = raft proposal dropped" | ||
| if strings.HasSuffix(ke.Message, "raft proposal dropped") { | ||
| return rt.roundTrip(req, retry-1, resp) | ||
| } | ||
| return resp, rtErr | ||
| } | ||
|
|
||
| type kubernetesError struct { | ||
| Message string `json:"message"` | ||
| Code int `json:"code"` | ||
| } |