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59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package remotecommand
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import (
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"context"
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"io"
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"net/http"
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"k8s.io/apimachinery/pkg/util/httpstream"
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)
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// StreamOptions holds information pertaining to the current streaming session:
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// input/output streams, if the client is requesting a TTY, and a terminal size queue to
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// support terminal resizing.
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type StreamOptions struct {
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Stdin io.Reader
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Stdout io.Writer
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Stderr io.Writer
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Tty bool
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TerminalSizeQueue TerminalSizeQueue
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}
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// Executor is an interface for transporting shell-style streams.
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type Executor interface {
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// Deprecated: use StreamWithContext instead to avoid possible resource leaks.
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// See https://github.com/kubernetes/kubernetes/pull/103177 for details.
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Stream(options StreamOptions) error
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// StreamWithContext initiates the transport of the standard shell streams. It will
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// transport any non-nil stream to a remote system, and return an error if a problem
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// occurs. If tty is set, the stderr stream is not used (raw TTY manages stdout and
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// stderr over the stdout stream).
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// The context controls the entire lifetime of stream execution.
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StreamWithContext(ctx context.Context, options StreamOptions) error
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}
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type streamCreator interface {
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CreateStream(headers http.Header) (httpstream.Stream, error)
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}
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type streamProtocolHandler interface {
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stream(conn streamCreator) error
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}
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