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642fa98976
This includes two new hidden commands: a 9p server, `podman machine server9p`, and a 9p client, `podman machine client9p` with `server9p` currently only configured to run on Windows and serve 9p via HyperV vsock, and `client9p` only configured to run on Linux. The server is run by `podman machine start` and has the same lifespan as gvproxy (waits for the gvproxy PID to die before shutting down). The client is run inside the VM, also by `podman machine start`, and mounts uses kernel 9p mount code to complete the mount. It's unfortunately not possible to use mount directly without the wrapper; we need to set up the vsock and pass it to mount as an FD. In theory this can be generalized so that the server can run anywhere and over almost any transport, but I haven't done this here as I don't think we have a usecase other than HyperV right now. [NO NEW TESTS NEEDED] This requires changes to Podman in the VM, so we need to wait until a build with this lands in FCOS to test. Signed-off-by: Matthew Heon <matthew.heon@pm.me>
32 lines
966 B
Go
32 lines
966 B
Go
// Copyright 2019 the u-root Authors. All rights reserved
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package ulog exposes logging via a Go interface.
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//
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// ulog has three implementations of the Logger interface: a Go standard
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// library "log" package Logger and a test Logger that logs via a test's
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// testing.TB.Logf. To use the test logger import "ulog/ulogtest".
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package ulog
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import "log"
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// Logger is a log receptacle.
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//
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// It puts your information somewhere for safekeeping.
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type Logger interface {
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Printf(format string, v ...interface{})
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Print(v ...interface{})
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}
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// Log is a Logger that prints to the log package's default logger.
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var Log Logger = log.Default()
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type emptyLogger struct{}
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func (emptyLogger) Printf(format string, v ...interface{}) {}
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func (emptyLogger) Print(v ...interface{}) {}
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// Null is a logger that prints nothing.
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var Null Logger = emptyLogger{}
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