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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2021-02-25 19:00:14 +0100
committerGitHub <noreply@github.com>2021-02-25 19:00:14 +0100
commitb220d6cd06360d6b868cd7fb7c32d2602aab69a5 (patch)
tree6777cc2c23306d1a6b87ef40b9fe4eab2764b7dd /vendor/k8s.io/client-go/tools/remotecommand/v4.go
parent9ec8106841c55bc085012727748e2d73826be97d (diff)
parent24d9bda7ff8a3e6a9f249401e05e35e73284ae61 (diff)
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Merge pull request #9518 from baude/pruneremotecommand
prune remotecommand dependency
Diffstat (limited to 'vendor/k8s.io/client-go/tools/remotecommand/v4.go')
-rw-r--r--vendor/k8s.io/client-go/tools/remotecommand/v4.go119
1 files changed, 0 insertions, 119 deletions
diff --git a/vendor/k8s.io/client-go/tools/remotecommand/v4.go b/vendor/k8s.io/client-go/tools/remotecommand/v4.go
deleted file mode 100644
index 69ca934a0..000000000
--- a/vendor/k8s.io/client-go/tools/remotecommand/v4.go
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
-Copyright 2016 The Kubernetes 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.
-*/
-
-package remotecommand
-
-import (
- "encoding/json"
- "errors"
- "fmt"
- "strconv"
- "sync"
-
- metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
- "k8s.io/apimachinery/pkg/util/remotecommand"
- "k8s.io/client-go/util/exec"
-)
-
-// streamProtocolV4 implements version 4 of the streaming protocol for attach
-// and exec. This version adds support for exit codes on the error stream through
-// the use of metav1.Status instead of plain text messages.
-type streamProtocolV4 struct {
- *streamProtocolV3
-}
-
-var _ streamProtocolHandler = &streamProtocolV4{}
-
-func newStreamProtocolV4(options StreamOptions) streamProtocolHandler {
- return &streamProtocolV4{
- streamProtocolV3: newStreamProtocolV3(options).(*streamProtocolV3),
- }
-}
-
-func (p *streamProtocolV4) createStreams(conn streamCreator) error {
- return p.streamProtocolV3.createStreams(conn)
-}
-
-func (p *streamProtocolV4) handleResizes() {
- p.streamProtocolV3.handleResizes()
-}
-
-func (p *streamProtocolV4) stream(conn streamCreator) error {
- if err := p.createStreams(conn); err != nil {
- return err
- }
-
- // now that all the streams have been created, proceed with reading & copying
-
- errorChan := watchErrorStream(p.errorStream, &errorDecoderV4{})
-
- p.handleResizes()
-
- p.copyStdin()
-
- var wg sync.WaitGroup
- p.copyStdout(&wg)
- p.copyStderr(&wg)
-
- // we're waiting for stdout/stderr to finish copying
- wg.Wait()
-
- // waits for errorStream to finish reading with an error or nil
- return <-errorChan
-}
-
-// errorDecoderV4 interprets the json-marshaled metav1.Status on the error channel
-// and creates an exec.ExitError from it.
-type errorDecoderV4 struct{}
-
-func (d *errorDecoderV4) decode(message []byte) error {
- status := metav1.Status{}
- err := json.Unmarshal(message, &status)
- if err != nil {
- return fmt.Errorf("error stream protocol error: %v in %q", err, string(message))
- }
- switch status.Status {
- case metav1.StatusSuccess:
- return nil
- case metav1.StatusFailure:
- if status.Reason == remotecommand.NonZeroExitCodeReason {
- if status.Details == nil {
- return errors.New("error stream protocol error: details must be set")
- }
- for i := range status.Details.Causes {
- c := &status.Details.Causes[i]
- if c.Type != remotecommand.ExitCodeCauseType {
- continue
- }
-
- rc, err := strconv.ParseUint(c.Message, 10, 8)
- if err != nil {
- return fmt.Errorf("error stream protocol error: invalid exit code value %q", c.Message)
- }
- return exec.CodeExitError{
- Err: fmt.Errorf("command terminated with exit code %d", rc),
- Code: int(rc),
- }
- }
-
- return fmt.Errorf("error stream protocol error: no %s cause given", remotecommand.ExitCodeCauseType)
- }
- default:
- return errors.New("error stream protocol error: unknown error")
- }
-
- return fmt.Errorf(status.Message)
-}