diff options
Diffstat (limited to 'poky/scripts/runqemu-gen-tapdevs')
-rwxr-xr-x | poky/scripts/runqemu-gen-tapdevs | 89 |
1 files changed, 47 insertions, 42 deletions
diff --git a/poky/scripts/runqemu-gen-tapdevs b/poky/scripts/runqemu-gen-tapdevs index a6ee4517da..ffb82adce6 100755 --- a/poky/scripts/runqemu-gen-tapdevs +++ b/poky/scripts/runqemu-gen-tapdevs @@ -44,10 +44,10 @@ GID=$2 COUNT=$3 STAGING_BINDIR_NATIVE=$4 -TUNCTL=$STAGING_BINDIR_NATIVE/tunctl -if [[ ! -x "$TUNCTL" || -d "$TUNCTL" ]]; then - echo "Error: $TUNCTL is not an executable" - usage +# check if COUNT is a number and >= 0 +if ! [ $COUNT -ge 0 ]; then + echo "Error: Incorrect count: $COUNT" + exit 1 fi if [ $EUID -ne 0 ]; then @@ -62,48 +62,53 @@ if [ ! -x "$RUNQEMU_IFUP" ]; then exit 1 fi -IFCONFIG=`which ip 2> /dev/null` -if [ -z "$IFCONFIG" ]; then - # Is it ever anywhere else? - IFCONFIG=/sbin/ip -fi -if [ ! -x "$IFCONFIG" ]; then - echo "$IFCONFIG cannot be executed" - exit 1 +TUNCTL=$STAGING_BINDIR_NATIVE/tunctl +ip_supports_tuntap=false +if interfaces=`ip tuntap list` 2>/dev/null; then + ip_supports_tuntap=true + interfaces=`echo "$interfaces |cut -f1 -d:` +elif [[ ! -x "$TUNCTL" || -d "$TUNCTL" ]]; then + echo "Error: $TUNCTL is not an executable" + usage +elif interfaces=`ip link` 2>/dev/null; then + interfaces=`echo "$interfaces" | sed '/^[0-9]\+: \(docker[0-9]\+\):.*/!d; s//\1/'` +else + echo "Failed to call 'ip link'" >&2 + exit 1 fi -if [ $COUNT -ge 0 ]; then - # Ensure we start with a clean slate - for tap in `$IFCONFIG link | grep tap | awk '{ print \$2 }' | sed s/://`; do - echo "Note: Destroying pre-existing tap interface $tap..." +# Ensure we start with a clean slate +for tap in $interfaces; do + echo "Note: Destroying pre-existing tap interface $tap..." + if $ip_supports_tuntap; then + ip tuntap del $tap mode tap + else $TUNCTL -d $tap - done - rm -f /etc/runqemu-nosudo -else - echo "Error: Incorrect count: $COUNT" - exit 1 + fi +done +rm -f /etc/runqemu-nosudo + +if [ $COUNT -eq 0 ]; then + exit 0 fi -if [ $COUNT -gt 0 ]; then - echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..." - for ((index=0; index < $COUNT; index++)); do - echo "Creating tap$index" - ifup=`$RUNQEMU_IFUP $TUID $GID $STAGING_BINDIR_NATIVE 2>&1` - if [ $? -ne 0 ]; then - echo "Error running tunctl: $ifup" - exit 1 - fi - done +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 $STAGING_BINDIR_NATIVE 2>&1`; then + echo "Error running tunctl: $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*" +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 -fi +# 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 |