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qemu-raspbian-network
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Add NO_GRAPHIC variable to start in headless mode

This commit is contained in:
Selva 2017-04-14 10:12:00 +05:30 committed by GitHub
parent cf7decee1d
commit 915ea35abe
1 changed files with 11 additions and 8 deletions
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19
qemu-pi.sh
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@ -31,6 +31,8 @@ NO_NETWORK=1 # set to 1 to skip network configuration
IFACE=enp3s0 # interface that we currently use for internet IFACE=enp3s0 # interface that we currently use for internet
BRIDGE=br0 # name for the bridge we will create to share network with the raspbian img BRIDGE=br0 # name for the bridge we will create to share network with the raspbian img
MAC='52:54:be:36:42:a9' # comment this line for random MAC (maybe annoying if on DHCP) MAC='52:54:be:36:42:a9' # comment this line for random MAC (maybe annoying if on DHCP)
BINARY_PATH=/usr/bin # path prefix for binaries
NO_GRAPHIC=0 # set to 1 to start in no graphic mode
# sanity checks # sanity checks
test -f $IMG && test -f $KERNEL || { echo "$IMG or $KERNEL not found"; exit; } test -f $IMG && test -f $KERNEL || { echo "$IMG or $KERNEL not found"; exit; }
@ -39,7 +41,7 @@ test -f $IMG && test -f $KERNEL || { echo "$IMG or $KERNEL not found"; exit; }
# some more checks # some more checks
[[ "$NO_NETWORK" != "1" ]] && { [[ "$NO_NETWORK" != "1" ]] && {
IP=$( ip a | grep "global $IFACE" | grep -oP '\d{1,3}(.\d{1,3}){3}' | head -1 ) IP=$( ip a | grep "global $IFACE" | grep -oP '\d{1,3}(.\d{1,3}){3}' | head -1 )
[[ "$IP" == "" ]] && { echo "no IP found for $IFACE"; NO_NETWORK=1; } [[ "$IP" == "" ]] && { echo "no IP found for $IFACE"; NO_NETWORK=1; }
type brctl &>/dev/null || { echo "brctl is not installed"; NO_NETWORK=1; } type brctl &>/dev/null || { echo "brctl is not installed"; NO_NETWORK=1; }
modprobe tun &>/dev/null modprobe tun &>/dev/null
@ -55,18 +57,18 @@ test -f $IMG && test -f $KERNEL || { echo "$IMG or $KERNEL not found"; exit; }
#!/bin/sh #!/bin/sh
echo "Executing /etc/qemu-ifup" echo "Executing /etc/qemu-ifup"
echo "Bringing up \$1 for bridged mode..." echo "Bringing up \$1 for bridged mode..."
sudo /usr/bin/ip link set \$1 up promisc on sudo $BINARY_PATH/ip link set \$1 up promisc on
echo "Adding \$1 to $BRIDGE..." echo "Adding \$1 to $BRIDGE..."
sudo /usr/bin/brctl addif $BRIDGE \$1 sudo $BINARY_PATH/brctl addif $BRIDGE \$1
sleep 2 sleep 2
EOF EOF
cat > /etc/qemu-ifdown <<EOF cat > /etc/qemu-ifdown <<EOF
#!/bin/sh #!/bin/sh
echo "Executing /etc/qemu-ifdown" echo "Executing /etc/qemu-ifdown"
sudo /usr/bin/ip link set \$1 down sudo $BINARY_PATH/ip link set \$1 down
sudo /usr/bin/brctl delif $BRIDGE \$1 sudo $BINARY_PATH/brctl delif $BRIDGE \$1
sudo /usr/bin/ip link delete dev \$1 sudo $BINARY_PATH/ip link delete dev \$1
EOF EOF
chmod 750 /etc/qemu-ifdown /etc/qemu-ifup chmod 750 /etc/qemu-ifdown /etc/qemu-ifup
@ -117,11 +119,12 @@ rmdir tmpmnt &>/dev/null
# do it # do it
qemu-system-arm -kernel $KERNEL -cpu arm1176 -m 256 -M versatilepb $NET_ARGS \ qemu-system-arm -kernel $KERNEL -cpu arm1176 -m 256 -M versatilepb $NET_ARGS \
-no-reboot -append "root=/dev/sda2 panic=1" -drive format=raw,file=$IMG \ $( [[ "$NO_GRAPHIC" != "1" ]] || printf %s '-nographic' ) \
-no-reboot -append "root=/dev/sda2 panic=1 $( [[ "$NO_GRAPHIC" != "1" ]] || printf %s 'vga=normal console=ttyAMA0' )" -drive format=raw,file=$IMG \
# restore network to what it was # restore network to what it was
[[ "$NO_NETWORK" != "1" ]] && { [[ "$NO_NETWORK" != "1" ]] && {
ip l set down dev $TAPIF ip l set down dev $TAPIF
ip tuntap del $TAPIF mode tap ip tuntap del $TAPIF mode tap
sysctl net.ipv4.ip_forward="$IPFW" sysctl net.ipv4.ip_forward="$IPFW"
ip l set down dev $BRIDGE ip l set down dev $BRIDGE