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|
#!/bin/bash
set -e
NFVBENCH_CONF=/etc/nfvbenchvm.conf
E2E_CFG=/etc/nfvbench/e2e.cfg
LOOPBACK_CFG=/etc/nfvbench/loopback.cfg
NFVBENCH_CFG=/etc/nfvbench/nfvbench.cfg
OPENRC=/etc/nfvbench/openrc
# Parse and obtain all configurations
eval $(cat $NFVBENCH_CONF)
if [ -f $OPENRC ]; then
source $OPENRC
fi
# WE assume there are at least 2 cores available for the VM
CPU_CORES=$(grep -c ^processor /proc/cpuinfo)
# We need at least 2 admin cores (one master and another latency).
if [ $CPU_CORES -le 3 ]; then
ADMIN_CORES=2
else
# If the number of cores is even we
# reserve 3 cores for admin (third being idle) so the number of
# workers is either 1 (if CPU_CORES is 4) or always even
if (( $CPU_CORES % 2 )); then
ADMIN_CORES=2
else
ADMIN_CORES=3
fi
fi
# 2 vcpus: AW (core 0: Admin, core 1: Worker)
# 3 vcpus: AWW (core 0: Admin, core 1,2: Worker)
# 4 vcpus: AWWU (core 0: Admin, core 1,2: Worker, core 3: Unused)
# 5 vcpus: AWWWW
# 6 vcpus: AWWWWU
WORKER_CORES=$(expr $CPU_CORES - $ADMIN_CORES)
# worker cores are all cores except the admin core (core 0) and the eventual unused core
# AW -> 1
# AWW -> 1,2
# AWWU -> 1,2
WORKER_CORE_LIST=$(seq -s, $ADMIN_CORES $WORKER_CORES)
# always use all cores
CORE_MASK=0x$(echo "obase=16; 2 ^ $CPU_CORES - 1" | bc)
logger "NFVBENCHVM: CPU_CORES=$CPU_CORES, ADMIN_CORES=$ADMIN_CORES, WORKER_CORES=$WORKER_CORES ($WORKER_CORE_LIST)"
# Isolate all cores that are reserved for workers
tuna -c $WORKER_CORE_LIST --isolate
NET_PATH=/sys/class/net
get_pci_address() {
# 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
pci_addr=$(readlink $NET_PATH/$f | cut -d "/" -f5)
# some virtual interfaces match on MAC and do not have a PCI address
if [ "$pci_addr" -a "$pci_addr" != "N/A" ]; then
# Found matching interface
logger "NFVBENCHVM: found interface $f ($pci_addr) matching $mac"
break
else
pci_addr=""
fi
fi;
done
if [ -z "$pci_addr" ]; then
echo "ERROR: Cannot find pci address for MAC $mac" >&2
logger "NFVBENCHVM ERROR: Cannot find pci address for MAC $mac"
return 1
fi
echo $pci_addr
return 0
}
get_interfaces_mac_values(){
# Set dynamically interfaces mac values, if VM is spawn with SRIOV PF ports
# and openstack API are accessible
if [ -z "$LOOPBACK_INTF_MAC1" ] && [ -z "$LOOPBACK_INTF_MAC2" ]; then
if [ -f $OPENRC ] && [ "$LOOPBACK_PORT_NAME1" ] && [ "$LOOPBACK_PORT_NAME2" ]; then
LOOPBACK_INTF_MAC1=$(openstack port list | grep $LOOPBACK_PORT_NAME1 | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
LOOPBACK_INTF_MAC2=$(openstack port list | grep $LOOPBACK_PORT_NAME2 | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
fi
fi
if [ -z "$E2E_INTF_MAC1" ] && [ -z "$E2E_INTF_MAC2" ]; then
if [ -f $OPENRC ] && [ "$E2E_PORT_NAME1" ] && [ "$E2E_PORT_NAME2" ]; then
E2E_INTF_MAC1=$(openstack port list | grep $E2E_PORT_NAME1 | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
E2E_INTF_MAC2=$(openstack port list | grep $E2E_PORT_NAME2 | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
fi
fi
if [ -z "$INTF_MAC1" ] && [ -z "$INTF_MAC2" ]; then
if [ -f $OPENRC ] && [ "$PORT_NAME1" ] && [ "$PORT_NAME2" ]; then
INTF_MAC1=$(openstack port list | grep $PORT_NAME1 | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
INTF_MAC2=$(openstack port list | grep $PORT_NAME2 | grep -o -Ei '([a-fA-F0-9:]{17}|[a-fA-F0-9]{12}$)' | head -1)
fi
fi
}
get_interfaces_pci_address(){
# Sometimes the interfaces on the generator VM will use different physical networks. In this case,
# we have to make sure the generator uses them in the right order.
if [ $LOOPBACK_INTF_MAC1 ] && [ $LOOPBACK_INTF_MAC2 ]; then
LOOPBACK_PCI_ADDRESS_1=$(get_pci_address $LOOPBACK_INTF_MAC1)
LOOPBACK_PCI_ADDRESS_2=$(get_pci_address $LOOPBACK_INTF_MAC2)
echo LOOPBACK_PCI_ADDRESS_1=$LOOPBACK_PCI_ADDRESS_1 >> $NFVBENCH_CONF
echo LOOPBACK_PCI_ADDRESS_2=$LOOPBACK_PCI_ADDRESS_2 >> $NFVBENCH_CONF
fi
if [ $E2E_INTF_MAC1 ] && [ $E2E_INTF_MAC2 ]; then
E2E_PCI_ADDRESS_1=$(get_pci_address $E2E_INTF_MAC1)
E2E_PCI_ADDRESS_2=$(get_pci_address $E2E_INTF_MAC2)
echo E2E_PCI_ADDRESS_1=$E2E_PCI_ADDRESS_1 >> $NFVBENCH_CONF
echo E2E_PCI_ADDRESS_2=$E2E_PCI_ADDRESS_2 >> $NFVBENCH_CONF
fi
if [ $INTF_MAC1 ] && [ $INTF_MAC2 ]; then
PCI_ADDRESS_1=$(get_pci_address $INTF_MAC1)
PCI_ADDRESS_2=$(get_pci_address $INTF_MAC2)
echo PCI_ADDRESS_1=$PCI_ADDRESS_1 >> $NFVBENCH_CONF
echo PCI_ADDRESS_2=$PCI_ADDRESS_2 >> $NFVBENCH_CONF
fi
}
bind_interfaces(){
if [ $LOOPBACK_PCI_ADDRESS_1 ]; then
dpdk-devbind -b vfio-pci $LOOPBACK_PCI_ADDRESS_1
fi
if [ $LOOPBACK_PCI_ADDRESS_2 ]; then
dpdk-devbind -b vfio-pci $LOOPBACK_PCI_ADDRESS_2
fi
if [ $E2E_PCI_ADDRESS_1 ]; then
dpdk-devbind -b vfio-pci $E2E_PCI_ADDRESS_1
fi
if [ $E2E_PCI_ADDRESS_2 ]; then
dpdk-devbind -b vfio-pci $E2E_PCI_ADDRESS_2
fi
if [ $PCI_ADDRESS_1 ]; then
dpdk-devbind -b vfio-pci $PCI_ADDRESS_1
fi
if [ $PCI_ADDRESS_2 ]; then
dpdk-devbind -b vfio-pci $PCI_ADDRESS_2
fi
}
configure_loopback_mode(){
if [ $LOOPBACK_PCI_ADDRESS_1 ] && [ $LOOPBACK_PCI_ADDRESS_2 ]; then
logger "NFVBENCHVM: loopback - Using pci $LOOPBACK_PCI_ADDRESS_1 ($LOOPBACK_INTF_MAC1)"
logger "NFVBENCHVM: loopback - Using pci $LOOPBACK_PCI_ADDRESS_2 ($LOOPBACK_INTF_MAC2)"
echo "Configuring nfvbench and TRex for loopback mode..."
# execute env script to avoid no ENV in screen and a nfvbench error
source /etc/profile.d/nfvbench.sh
sed -i "s/{{PCI_ADDRESS_1}}/$LOOPBACK_PCI_ADDRESS_1/g" /etc/nfvbench/loopback.cfg
sed -i "s/{{PCI_ADDRESS_2}}/$LOOPBACK_PCI_ADDRESS_2/g" /etc/nfvbench/loopback.cfg
sed -i "s/{{CORES}}/$WORKER_CORES/g" /etc/nfvbench/loopback.cfg
CORE_THREADS=$(seq -s, 2 $((2+$WORKER_CORES)))
sed -i "s/{{CORE_THREADS}}/$CORE_THREADS/g" /etc/nfvbench/loopback.cfg
else
echo "ERROR: Cannot find PCI Address from MAC"
echo "$LOOPBACK_INTF_MAC1: $LOOPBACK_PCI_ADDRESS_1"
echo "$LOOPBACK_INTF_MAC2: $LOOPBACK_PCI_ADDRESS_2"
logger "NFVBENCHVM ERROR: Cannot find PCI Address from MAC (loopback mode)"
fi
}
configure_e2e_mode(){
if [ $E2E_PCI_ADDRESS_1 ] && [ $E2E_PCI_ADDRESS_2 ]; then
logger "NFVBENCHVM: e2e - Using pci $E2E_PCI_ADDRESS_1 ($E2E_INTF_MAC1)"
logger "NFVBENCHVM: e2e - Using pci $E2E_PCI_ADDRESS_2 ($E2E_INTF_MAC2)"
echo "Configuring nfvbench and TRex for e2e mode..."
# execute env script to avoid no ENV in screen and a nfvbench error
source /etc/profile.d/nfvbench.sh
sed -i "s/{{PCI_ADDRESS_1}}/$E2E_PCI_ADDRESS_1/g" /etc/nfvbench/e2e.cfg
sed -i "s/{{PCI_ADDRESS_2}}/$E2E_PCI_ADDRESS_2/g" /etc/nfvbench/e2e.cfg
sed -i "s/{{CORES}}/$WORKER_CORES/g" /etc/nfvbench/e2e.cfg
CORE_THREADS=$(seq -s, 2 $((2+$WORKER_CORES)))
sed -i "s/{{CORE_THREADS}}/$CORE_THREADS/g" /etc/nfvbench/e2e.cfg
else
echo "ERROR: Cannot find PCI Address from MAC"
echo "$E2E_INTF_MAC1: $E2E_PCI_ADDRESS_1"
echo "$E2E_INTF_MAC2: $E2E_PCI_ADDRESS_2"
logger "NFVBENCHVM ERROR: Cannot find PCI Address from MAC (e2e mode)"
fi
}
configure_nfvbench(){
if [ $PCI_ADDRESS_1 ] && [ $PCI_ADDRESS_2 ]; then
logger "NFVBENCHVM: Using pci $PCI_ADDRESS_1 ($INTF_MAC1)"
logger "NFVBENCHVM: Using pci $PCI_ADDRESS_2 ($INTF_MAC2)"
echo "Configuring nfvbench and TRex..."
# execute env script to avoid no ENV in screen and a nfvbench error
source /etc/profile.d/nfvbench.sh
if [ $DEFAULT ]; then
cp /nfvbench/nfvbench.conf /etc/nfvbench/nfvbench.cfg
fi
sed -i "s/{{PCI_ADDRESS_1}}/$PCI_ADDRESS_1/g" /etc/nfvbench/nfvbench.cfg
sed -i "s/{{PCI_ADDRESS_2}}/$PCI_ADDRESS_2/g" /etc/nfvbench/nfvbench.cfg
sed -i "s/{{CORES}}/$WORKER_CORES/g" /etc/nfvbench/nfvbench.cfg
CORE_THREADS=$(seq -s, 2 $((2+$WORKER_CORES)))
sed -i "s/{{CORE_THREADS}}/$CORE_THREADS/g" /etc/nfvbench/nfvbench.cfg
else
echo "ERROR: Cannot find PCI Address from MAC"
echo "$INTF_MAC1: $PCI_ADDRESS_1"
echo "$INTF_MAC2: $PCI_ADDRESS_2"
logger "NFVBENCHVM ERROR: Cannot find PCI Address from MAC"
fi
}
# Check if config files are provided by config drive (CLI command) or Ansible script
# and configure NFVbench accordingly to these files
if [ -f $E2E_CFG ]; then
if [ -z $E2E_PCI_ADDRESS_1 ] && [ -z $E2E_PCI_ADDRESS_2 ]; then
get_interfaces_mac_values
get_interfaces_pci_address
bind_interfaces
fi
configure_e2e_mode
fi
if [ -f $LOOPBACK_CFG ]; then
if [ -z $LOOPBACK_PCI_ADDRESS_1 ] && [ -z $LOOPBACK_PCI_ADDRESS_2 ]; then
get_interfaces_mac_values
get_interfaces_pci_address
bind_interfaces
fi
configure_loopback_mode
fi
# if nfvbench.cfg is provided by config drive (CLI command) or Ansible script
# configure nfvbench using this file otherwise untemplate default config if no file exists
if [ -f $NFVBENCH_CFG ]; then
if [ -z $PCI_ADDRESS_1 ] && [ -z $PCI_ADDRESS_2 ]; then
get_interfaces_mac_values
get_interfaces_pci_address
bind_interfaces
fi
configure_nfvbench
elif [ ! -f $E2E_CFG ] && [ ! -f $LOOPBACK_CFG ]; then
if [ -z $PCI_ADDRESS_1 ] && [ -z $PCI_ADDRESS_2 ]; then
get_interfaces_mac_values
get_interfaces_pci_address
bind_interfaces
fi
DEFAULT=true
configure_nfvbench
fi
exit 0
|