7a6620b5eb
Commit d43c41fcaf refactors the script but
there's a missing '"' in one line, leading to the following message:
poky/scripts/runqemu-gen-tapdevs: command substitution: line 62: unexpected EOF while looking for matching `"'
(From OE-Core rev: 94b9b1333a5f779316b9698bb3e4fa7246bae78e)
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2.5 KiB
Executable File
#!/bin/bash
Create a "bank" of tap network devices that can be used by the
runqemu script. This script needs to be run as root
Copyright (C) 2010 Intel Corp.
SPDX-License-Identifier: GPL-2.0-only
uid=id -u
gid=id -g
if [ -n "$SUDO_UID" ]; then
uid=$SUDO_UID
fi
if [ -n "$SUDO_GID" ]; then
gid=$SUDO_GID
fi
usage() { echo "Usage: sudo $0 <staging_bindir_native>" echo "Where is the numeric user id the tap devices will be owned by" echo "Where is the numeric group id the tap devices will be owned by" echo " is the number of tap devices to create (0 to remove all)" echo " is the path to the build system's native sysroot" echo "For example:" echo "$ bitbake qemu-helper-native" echo "$ sudo $0 $uid $gid 4 tmp/sysroots-components/x86_64/qemu-helper-native/usr/bin" echo "" exit 1 }
if [ $# -ne 4 ]; then echo "Error: Incorrect number of arguments" usage fi
TUID=$1 GID=$2 COUNT=$3 STAGING_BINDIR_NATIVE=$4
check if COUNT is a number and >= 0
if ! [ $COUNT -ge 0 ]; then echo "Error: Incorrect count: $COUNT" exit 1 fi
if [ $EUID -ne 0 ]; then echo "Error: This script must be run with root privileges" exit fi
SCRIPT_DIR=dirname $0
RUNQEMU_IFUP="$SCRIPT_DIR/runqemu-ifup"
if [ ! -x "$RUNQEMU_IFUP" ]; then
echo "Error: Unable to find the runqemu-ifup script in $SCRIPT_DIR"
exit 1
fi
if interfaces=ip tuntap list 2>/dev/null; then
interfaces=echo "$interfaces" |cut -f1 -d:
else
echo "Failed to call 'ip tuntap list'" >&2
exit 1
fi
Ensure we start with a clean slate
for tap in $interfaces; do echo "Note: Destroying pre-existing tap interface $tap..." ip tuntap del $tap mode tap done rm -f /etc/runqemu-nosudo
if [ $COUNT -eq 0 ]; then exit 0 fi
echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..."
for ((index=0; index < $COUNT; index++)); do
echo "Creating tap$index"
if ! ifup=$RUNQEMU_IFUP $TUID $GID 2>&1; then
echo "Error bringing up interface: $ifup"
exit 1
fi
done
echo "Note: For systems running NetworkManager, it's recommended" echo "Note: that the tap devices be set as unmanaged in the" echo "Note: NetworkManager.conf file. Add the following lines to" echo "Note: /etc/NetworkManager/NetworkManager.conf" echo "[keyfile]" echo "unmanaged-devices=interface-name:tap*"
The runqemu script will check for this file, and if it exists,
will use the existing bank of tap devices without creating
additional ones via sudo.
touch /etc/runqemu-nosudo