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#!/bin/bash
touch /var/lock/subsys/local
# Waiting for cloud-init to generate $NFVBENCH_CONF, retry 60 seconds
NFVBENCH_CONF=/etc/nfvbenchvm.conf
OPENRC=/etc/nfvbench/openrc
retry=30
until [ $retry -eq 0 ]; do
if [ -f $NFVBENCH_CONF ]; then break; fi
retry=$[$retry-1]
sleep 2
done
if [ ! -f $NFVBENCH_CONF ]; then
exit 0
fi
# Parse and obtain all configurations
echo "Generating configurations for NFVbench and TRex..."
eval $(cat $NFVBENCH_CONF)
touch /nfvbench_configured.flag
if [ -f $OPENRC ]; then
source $OPENRC
fi
# Add DNS entry
if [ $DNS_SERVERS ]; then
IFS="," read -a dns <<< $DNS_SERVERS
for d in "${dns[@]}"; do
echo "nameserver $d" >> /etc/resolv.conf
done
fi
# CPU isolation optimizations
echo 1 > /sys/bus/workqueue/devices/writeback/cpumask
echo 1 > /sys/devices/virtual/workqueue/cpumask
echo 1 > /proc/irq/default_smp_affinity
for irq in `ls /proc/irq/`; do
if [ -f /proc/irq/$irq/smp_affinity ]; then
echo 1 > /proc/irq/$irq/smp_affinity
fi
done
NET_PATH=/sys/class/net
get_eth_port() {
# device mapping for CentOS Linux 7:
# lspci:
# 00.03.0 Ethernet controller: Red Hat, Inc. Virtio network device
# 00.04.0 Ethernet controller: Red Hat, Inc. Virtio network device
# /sys/class/net:
# /sys/class/net/eth0 -> ../../devices/pci0000:00/0000:00:03.0/virtio0/net/eth0
# /sys/class/net/eth1 -> ../../devices/pci0000:00/0000:00:04.0/virtio1/net/eth1
mac=$1
for f in $(ls $NET_PATH/); do
if grep -q "$mac" $NET_PATH/$f/address; then
eth_port=$(readlink $NET_PATH/$f | cut -d "/" -f8)
# some virtual interfaces match on MAC and do not have a PCI address
if [ "$eth_port" -a "$eth_port" != "N/A" ]; then
# Found matching interface
logger "NFVBENCHVM: found interface $f ($eth_port) matching $mac"
break
else
eth_port=""
fi
fi;
done
if [ -z "$eth_port" ]; then
echo "ERROR: Cannot find eth port for MAC $mac" >&2
logger "NFVBENCHVM ERROR: Cannot find eth port for MAC $mac"
return 1
fi
echo $eth_port
return 0
}
# Set VM MANAGEMENT port up and running
if [ $INTF_MGMT_CIDR ] && [ $INTF_MGMT_IP_GW ]; then
if [ $INTF_MAC_MGMT ]; then
ETH_PORT=$(get_eth_port $INTF_MAC_MGMT)
elif [ -f $OPENRC ] && [ "$PORT_MGMT_NAME" ]; then
$INTF_MAC_MGMT=$(openstack port list | grep $PORT_MGMT_NAME | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
ETH_PORT=$(get_eth_port $INTF_MAC_MGMT)
else
ETH_PORT=""
fi
if [ -z "$ETH_PORT" ]; then
echo "ERROR: Cannot find eth port for management port" >&2
logger "NFVBENCHVM ERROR: Cannot find eth port for management port"
return 1
fi
ip addr add $INTF_MGMT_CIDR dev $ETH_PORT
ip link set $ETH_PORT up
ip route add default via $INTF_MGMT_IP_GW dev $ETH_PORT
else
echo "INFO: VM management IP Addresses missing in $NFVBENCH_CONF"
fi
/nfvbench/configure-nfvbench.sh
if [ $ACTION ]; then
/nfvbench/start-nfvbench.sh $ACTION
else
/nfvbench/start-nfvbench.sh
fi
exit 0
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