mirror of
https://github.com/dockur/windows.git
synced 2025-10-27 19:35:49 +00:00
Add option to have multiple bridges
This commit is contained in:
Gytis Stoškevičius
parent
a5c2af4742
commit
0528800424
1 changed files with 105 additions and 131 deletions
236
src/network.sh
236
src/network.sh
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@ -20,6 +20,7 @@ set -Eeuox pipefail
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: "${DNSMASQ:="/usr/sbin/dnsmasq"}"
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: "${DNSMASQ:="/usr/sbin/dnsmasq"}"
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: "${DNSMASQ_CONF_DIR:="/etc/dnsmasq.d"}"
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: "${DNSMASQ_CONF_DIR:="/etc/dnsmasq.d"}"
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ETH_COUNT=$(ls /sys/class/net | grep -E '^eth[0-9]+$' | wc -l)
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ADD_ERR="Please add the following setting to your container:"
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ADD_ERR="Please add the following setting to your container:"
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# ######################################
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# ######################################
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@ -50,34 +51,42 @@ find_free_ip() {
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configure_guest_network_interface() {
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configure_guest_network_interface() {
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if [[ "${NETWORK,,}" == "bridge"* ]]; then
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if [[ "${NETWORK,,}" == "bridge"* ]]; then
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for ((i = 0; i < ETH_COUNT; i++)); do
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HOST_INTERFACE="dockerbridge$i"
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CURRENT_IP=$(ip addr show $HOST_INTERFACE | grep -oP 'inet \K[\d.]+')
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MASK="$(ip -4 addr show $HOST_INTERFACE | awk '/inet / {print $2}' | cut -d'/' -f2)"
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HOST_INTERFACE="dockerbridge"
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if [ -z "$CURRENT_IP" ]; then
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CURRENT_IP=$(ip addr show $HOST_INTERFACE | grep -oP 'inet \K[\d.]+')
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echo "Error: Unable to retrieve the current IP address of $HOST_INTERFACE."
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MASK="$(ip -4 addr show $HOST_INTERFACE | awk '/inet / {print $2}' | cut -d'/' -f2)"
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exit 1
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fi
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if [ -z "$CURRENT_IP" ]; then
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echo "Current Host IP: $CURRENT_IP"
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echo "Error: Unable to retrieve the current IP address of $HOST_INTERFACE."
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exit 1
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fi
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echo "Current Host IP: $CURRENT_IP"
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IFS='.' read -r -a ip_parts <<<"$CURRENT_IP"
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NEW_HOST_IP=$(find_free_ip "$CURRENT_IP" "$MASK")
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GW="${ip_parts[0]}.${ip_parts[1]}.${ip_parts[2]}.1"
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IFS='.' read -r -a ip_parts <<<"$CURRENT_IP"
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echo "New Host IP: $NEW_HOST_IP"
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NEW_HOST_IP=$(find_free_ip "$CURRENT_IP" "$MASK")
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GW="${ip_parts[0]}.${ip_parts[1]}.${ip_parts[2]}.1"
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echo "New Host IP: $NEW_HOST_IP"
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ip addr del $CURRENT_IP/$MASK dev $HOST_INTERFACE
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ip addr add $NEW_HOST_IP/$MASK dev $HOST_INTERFACE
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ip addr del $CURRENT_IP/$MASK dev $HOST_INTERFACE
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ip link set $HOST_INTERFACE down
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ip addr add $NEW_HOST_IP/$MASK dev $HOST_INTERFACE
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ip link set $HOST_INTERFACE up
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ip link set $HOST_INTERFACE down
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route add default gw $GW
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ip link set $HOST_INTERFACE up
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route add default gw $GW
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if [ $i -eq 0 ]; then
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INTERFACE_NAME="Ethernet"
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else
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IDX=$((1 + i))
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INTERFACE_NAME="Ethernet $IDX"
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fi
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echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "arg": ["interface", "ipv4", "set", "address", "name=\\"Ethernet\\"", "static", "'"$CURRENT_IP"'", "255.255.255.0", "'"$GW"'"]}}' | nc -U /tmp/qga.sock -w 5
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echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "capture-output": true, "arg": ["interface", "ipv4", "set", "address", "'"$INTERFACE_NAME"'", "static", "'$CURRENT_IP'", "255.255.255.0", "'$GW'"]}}' | nc -U /tmp/qga.sock -w 5
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echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "arg": ["interface", "ipv4", "add", "dnsservers", "name=\\"Ethernet\\"", "address=\\"'$GW'\\"", "index=\\"1\\""]}}' | nc -U /tmp/qga.sock -w 5
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echo -e '{"execute": "guest-exec", "arguments": {"path": "C:\\\\Windows\\\\System32\\\\netsh.exe", "capture-output": true, "arg": ["interface", "ipv4", "add", "dnsservers", "'"$INTERFACE_NAME"'", "1.1.1.1", "index=1"]}}' | nc -U /tmp/qga.sock -w 5
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done
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fi
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fi
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@ -379,120 +388,72 @@ configureBridge() {
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fi
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fi
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fi
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fi
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# Create a bridge with a static IP for the VM guest
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for ((i = 0; i < ETH_COUNT; i++)); do
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DOCKER_BRIDGE="dockerbridge$i"
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NET_DEV="eth$i"
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NET_TAP="qemu$i"
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{
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ip link add dev $DOCKER_BRIDGE type bridge
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rc=$?
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} || :
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{
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if ((rc != 0)); then
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ip link add dev dockerbridge type bridge
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error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
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rc=$?
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fi
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} || :
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if ((rc != 0)); then
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# We need freshly created bridge to have IP address of the container
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error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
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# For this reason we need to migrate IP from eth0 to dockerbridge.
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fi
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for addr in $(ip --json addr show dev $NET_DEV | jq -c '.[0].addr_info[] | select(.family == "inet")'); do
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cidr_addr=$(echo $addr | jq -r '[ .local, .prefixlen|tostring] | join("/")')
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if ! ip addr add dev $DOCKER_BRIDGE $cidr_addr; then
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error "Failed to add address for $DOCKER_BRIDGE interface"
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exit 30
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fi
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done
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# {
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if ! ip addr flush dev $NET_DEV; then
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# ip link add dev dockerbridge_2 type bridge
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error "Failed to clear $NET_DEV interface addresses"
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# rc=$?
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# } || :
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# if ((rc != 0)); then
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# error "Failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
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# fi
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# We need freshly created bridge to have IP address of the container
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# For this reason we need to migrate IP from eth0 to dockerbridge.
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for addr in $(ip --json addr show dev $VM_NET_DEV | jq -c '.[0].addr_info[] | select(.family == "inet")'); do
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cidr_addr=$(echo $addr | jq -r '[ .local, .prefixlen|tostring] | join("/")')
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if ! ip addr add dev dockerbridge $cidr_addr; then
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error "Failed to add address for dockerbridge interface"
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exit 30
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exit 30
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fi
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fi
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done
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if ! ip addr flush dev $VM_NET_DEV; then
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error "Failed to clear $VM_NET_DEV interface addresses"
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exit 30
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fi
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while ! ip link set dockerbridge up; do
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while ! ip link set $DOCKER_BRIDGE up; do
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info "Waiting for IP address to become available..."
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info "Waiting for IP address to become available..."
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sleep 2
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sleep 2
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done
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done
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# # We need freshly created bridge to have IP address of the container
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# QEMU Works with taps, set tap to the bridge created
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# # For this reason we need to migrate IP from eth0 to dockerbridge.
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if ! ip tuntap add dev "$NET_TAP" mode tap; then
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# for addr in $(ip --json addr show dev $VM_NET_DEV_2 | jq -c '.[0].addr_info[] | select(.family == "inet")'); do
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error "$tuntap" && return 1
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# cidr_addr=$(echo $addr | jq -r '[ .local, .prefixlen|tostring] | join("/")')
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fi
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# if ! ip addr add dev dockerbridge_2 $cidr_addr; then
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# error "Failed to add address for dockerbridge_2 interface"
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# exit 30
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# fi
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# done
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# if ! ip addr flush dev $VM_NET_DEV_2; then
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# error "Failed to clear $VM_NET_DEV_2 interface addresses"
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# exit 30
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# fi
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# while ! ip link set dockerbridge_2 up; do
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while ! ip link set "$NET_TAP" up promisc on; do
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# info "Waiting for IP address to become available..."
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info "Waiting for TAP to become available..."
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# sleep 2
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sleep 2
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# done
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done
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# QEMU Works with taps, set tap to the bridge created
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if ! ip link set dev "$NET_TAP" master $DOCKER_BRIDGE; then
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if ! ip tuntap add dev "$VM_NET_TAP" mode tap; then
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error "Failed to set IP link!" && return 1
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error "$tuntap" && return 1
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fi
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fi
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while ! ip link set "$VM_NET_TAP" up promisc on; do
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if ! ip link set dev "$NET_DEV" master $DOCKER_BRIDGE; then
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info "Waiting for TAP to become available..."
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error "Failed to attach docker interface to bridge"
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sleep 2
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fi
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done
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if ! ip link set dev "$VM_NET_TAP" master dockerbridge; then
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NET_OPTS+=" -netdev tap,id=hostnet$i,ifname=$NET_TAP"
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error "Failed to set IP link!" && return 1
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if [ -c /dev/vhost-net ]; then
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fi
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fd=$((40 + i))
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eval "exec $fd>>/dev/vhost-net"
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if ! ip link set dev "$VM_NET_DEV" master dockerbridge; then
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error "Failed to attach docker interface to bridge"
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fi
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# if ! ip tuntap add dev "$VM_NET_TAP_2" mode tap; then
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# error "$tuntap" && return 1
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# fi
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# while ! ip link set "$VM_NET_TAP_2" up promisc on; do
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# info "Waiting for TAP to become available..."
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# sleep 2
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# done
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# if ! ip link set dev "$VM_NET_TAP_2" master dockerbridge_2; then
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# error "Failed to set IP link!" && return 1
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# fi
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NET_OPTS="-netdev tap,id=hostnet0,ifname=$VM_NET_TAP"
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if [ -c /dev/vhost-net ]; then
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{
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exec 40>>/dev/vhost-net
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rc=$?
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rc=$?
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} 2>/dev/null || :
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if ((rc == 0)); then
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((rc == 0)) && NET_OPTS+=",vhost=on,vhostfd=40"
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NET_OPTS+=",vhost=on,vhostfd=$fd"
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fi
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fi
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fi
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NET_OPTS+=",script=no,downscript=no"
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NET_OPTS+=",script=no,downscript=no "
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# NET_OPTS+=" -netdev tap,id=hostnet1,ifname=$VM_NET_TAP_2"
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done
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# if [ -c /dev/vhost-net ]; then
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# {
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# exec 41>>/dev/vhost-net
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# rc=$?
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# } 2>/dev/null || :
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# ((rc == 0)) && NET_OPTS+=",vhost=on,vhostfd=41"
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# fi
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# NET_OPTS+=",script=no,downscript=no"
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return 0
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return 0
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}
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}
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closeNetwork() {
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closeNetwork() {
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@ -518,11 +479,21 @@ closeNetwork() {
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[[ "${NETWORK,,}" == "user"* ]] && return 0
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[[ "${NETWORK,,}" == "user"* ]] && return 0
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ip link set "$VM_NET_TAP" down promisc off || true
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if [[ "${NETWORK,,}" == "bridge"* ]]; then
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ip link delete "$VM_NET_TAP" || true
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for ((i = 0; i < ETH_COUNT; i++)); do
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ip link set "qemu$i" down promisc off || true
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ip link delete "qemu$i" || true
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ip link set dockerbridge down || true
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ip link set dockerbridge$i down || true
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ip link delete dockerbridge || true
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ip link delete dockerbridge$i || true
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done
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else
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ip link set "$VM_NET_TAP" down promisc off || true
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ip link delete "$VM_NET_TAP" || true
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ip link set dockerbridge down || true
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ip link delete dockerbridge || true
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fi
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fi
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fi
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@ -666,16 +637,13 @@ else
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if ! configureBridge; then
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if ! configureBridge; then
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error "Failed to setup bridge networking"
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error "Failed to setup bridge networking"
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for ((i = 0; i < ETH_COUNT; i++)); do
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ip link set "$VM_NET_TAP$i" down promisc off &>null || true
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ip link delete "$VM_NET_TAP$i" &>null || true
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ip link set "$VM_NET_TAP" down promisc off &>null || true
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ip link set dockerbridge$i down &>null || true
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ip link delete "$VM_NET_TAP" &>null || true
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ip link delete dockerbridge$i &>null || true
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# ip link set "$VM_NET_TAP_2" down promisc off &>null || true
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done
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# ip link delete "$VM_NET_TAP_2" &>null || true
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ip link set dockerbridge down &>null || true
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ip link delete dockerbridge &>null || true
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# ip link set dockerbridge_2 down &>null || true
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# ip link delete dockerbridge_2 &>null || true
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exit 25
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exit 25
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fi
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fi
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@ -685,7 +653,13 @@ else
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fi
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fi
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NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet0,mac=$VM_NET_MAC,id=net0"
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NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet0,mac=$VM_NET_MAC,id=net0"
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# NET_OPTS+=" -device $ADAPTER_2,romfile=,netdev=hostnet1,mac=$VM_NET_MAC_2,id=net1"
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if [[ "${NETWORK,,}" == "bridge"* ]]; then
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for ((i = 1; i < ETH_COUNT; i++)); do
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MAC=$(printf "52:54:00:%02X:%02X:%02X" $((RANDOM % 256)) $((RANDOM % 256)) $((RANDOM % 256)))
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NET_OPTS+=" -device $ADAPTER,romfile=,netdev=hostnet$i,mac=$MAC,id=net$i"
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done
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fi
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NET_OPTS+=" -device virtio-serial-pci,id=virtserial0,bus=pcie.0,addr=0x6"
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NET_OPTS+=" -device virtio-serial-pci,id=virtserial0,bus=pcie.0,addr=0x6"
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NET_OPTS+=" -chardev socket,id=qga0,path=/tmp/qga.sock,server=on,wait=off"
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NET_OPTS+=" -chardev socket,id=qga0,path=/tmp/qga.sock,server=on,wait=off"
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