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Check NET_ADMIN flag

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This commit is contained in:
Kroese 2023-04-27 19:20:02 +02:00 committed by GitHub
parent a6e53bae4b
commit a2f33378cd
1 changed files with 13 additions and 8 deletions
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21
run/network.sh
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@ -25,7 +25,7 @@ configureDHCP() {
NETWORK=$(ip -o route | grep "${VM_NET_DEV}" | grep -v default | awk '{print $1}')
IP=$(ip address show dev "${VM_NET_DEV}" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/)
ip l add link "${VM_NET_DEV}" "${VM_NET_VLAN}" type macvlan mode bridge
ip link add link "${VM_NET_DEV}" "${VM_NET_VLAN}" type macvlan mode bridge
ip address add "${IP}" dev "${VM_NET_VLAN}"
ip link set dev "${VM_NET_VLAN}" up
@ -37,8 +37,8 @@ configureDHCP() {
echo "INFO: Acquiring an IP address via DHCP using MAC address ${VM_NET_MAC}..."
ip l add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge || true
ip l set "${VM_NET_TAP}" up
ip link add link "${VM_NET_DEV}" name "${VM_NET_TAP}" address "${VM_NET_MAC}" type macvtap mode bridge || true
ip link set "${VM_NET_TAP}" up
ip a flush "${VM_NET_DEV}"
ip a flush "${VM_NET_TAP}"
@ -51,7 +51,7 @@ configureDHCP() {
echo "ERROR: Cannot acquire an IP address from the DHCP server" && exit 16
fi
ip a flush "${VM_NET_TAP}"
ip address flush "${VM_NET_TAP}"
TAP_NR=$(</sys/class/net/"${VM_NET_TAP}"/ifindex)
TAP_PATH="/dev/tap${TAP_NR}"
@ -72,7 +72,7 @@ configureDHCP() {
fi
if ! exec 30>>"$TAP_PATH"; then
echo -n "ERROR: Please add the following docker variables to your container: "
echo -n "ERROR: Please add the following docker settings to your container: "
echo "--device=/dev/vhost-net --device-cgroup-rule='c ${MAJOR}:* rwm'" && exit 21
fi
@ -83,8 +83,8 @@ configureDHCP() {
fi
if ! exec 40>>/dev/vhost-net; then
echo -n "ERROR: VHOST can not be found. Please add the following docker "
echo "variable to your container: --device=/dev/vhost-net" && exit 22
echo -n "ERROR: VHOST can not be found. Please add the following "
echo "docker setting to your container: --device=/dev/vhost-net" && exit 22
fi
# Store IP for Docker healthcheck
@ -98,7 +98,12 @@ configureNAT () {
VM_NET_IP='20.20.20.21'
#Create bridge with static IP for the VM guest
ip link add dev dockerbridge type bridge
if ! ip link add dev dockerbridge type bridge > /dev/null 2>&1 ; then
echo -n "ERROR: Capability NET_ADMIN has not been set. Please add the "
echo "following docker setting to your container: --cap-add NET_ADMIN" && exit 23
fi
ip addr add ${VM_NET_IP%.*}.1/24 broadcast ${VM_NET_IP%.*}.255 dev dockerbridge
ip link set dockerbridge up