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cl349@firebug.cl.cam.ac.uk
b93e7f7e8b
Many files:
Make interface to network/block scripts consistent:
- output on stdout is returned to the script caller
- output on stderr is logged at the error level, messages with a '-' prefix
are logged at the debug level and messages with a '*' prefix are logged
at the info level.
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
32 lines
545 B
Bash
Executable File
32 lines
545 B
Bash
Executable File
#!/bin/sh
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# Usage: block_loop [bind file|unbind node]
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#
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# The file argument to the bind command is the file we are to bind to a
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# loop device. We print the path to the loop device node to stdout.
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#
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# The node argument to unbind is the name of the device node we are to
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# unbind.
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case $1 in
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bind)
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for dev in /dev/loop*; do
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if losetup $dev $2; then
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echo $dev
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exit 0
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fi
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done
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exit 1
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;;
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unbind)
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losetup -d $2
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exit 0
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;;
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*)
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echo 'Unknown command: ' $1 >&2
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echo 'Valid commands are: bind, unbind' >&2
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exit 1
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esac
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