Paul Stemmet
59204d6bd1
for creating the underlying IPC channel that we'll use for communication with keepalived
32 lines
782 B
Go
32 lines
782 B
Go
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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package fifo
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import (
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"context"
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"fmt"
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"io"
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"syscall"
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"github.com/containerd/fifo"
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)
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const Flags = syscall.O_CREAT | syscall.O_RDONLY | syscall.O_NONBLOCK
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// Create a FIFO pipe at the provided path, returning a read handle.
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//
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// FIFO is opened non blocking, so this is save to call before keepalived
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// is ready to transmit notifications
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func MkPipe(path string) (io.ReadCloser, error) {
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npipe, err := fifo.OpenFifo(context.TODO(), path, Flags, 0640)
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if err != nil {
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return nil, fmt.Errorf("failed to open fifo '%s': %w", path, err)
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}
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return npipe, nil
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}
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