diff options
Diffstat (limited to 'nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local.loopvm')
| -rw-r--r-- | nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local.loopvm | 65 |
1 files changed, 58 insertions, 7 deletions
diff --git a/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local.loopvm b/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local.loopvm index ecc8b05..181ff2a 100644 --- a/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local.loopvm +++ b/nfvbenchvm/dib/elements/nfvbenchvm/static/etc/rc.d/rc.local.loopvm @@ -137,6 +137,24 @@ if [ $INTF_MGMT_CIDR ] && [ $INTF_MGMT_IP_GW ]; then else ETH_PORT="eth0" fi + + # By default, configure the MTU of the management interface to the + # conservative value of 1500: this will reduce the risk to get an + # unmanageable VM in some setups. + # + # To set the MTU to a different value, configure the INTF_MGMT_MTU variable + # in /etc/nfvbenchvm.conf. If INTF_MGMT_MTU is set to the special value + # "auto", the MTU will not be configured and it will keep the value set by + # the hypervisor ("legacy" nfvbenchvm behavior). If INTF_MGMT_MTU is unset, + # the MTU will be set to 1500. In other cases, the MTU will be set to the + # value of INTF_MGMT_MTU. + # + if [[ -z "$INTF_MGMT_MTU" ]]; then + ip link set $ETH_PORT mtu 1500 + elif [[ "$INTF_MGMT_MTU" != "auto" ]]; then + ip link set $ETH_PORT mtu $INTF_MGMT_MTU + 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 @@ -164,6 +182,29 @@ else logger "NFVBENCHVM ERROR: VM MAC Addresses missing in $NFVBENCH_CONF" fi +wait_vpp_service() { + # Wait for at most wait_max=$1 seconds until VPP service is ready. Exit + # with code 1 if timeout is reached. + # + # Because VPP systemd unit has Type=simple, systemctl will report the + # service to be active has soon as it is forked. This does not mean that + # the service is ready, and actually it takes some times before vppctl can + # succesfully connect to VPP client socket /run/vpp/cli.sock. + local wait_max=$1 + + local wait_time=0 + while ! vppctl show int; do + if [[ $wait_time -ge $wait_max ]]; then + # Log error to both system log and standard error output + logger -s "NFVBENCHVM ERROR: VPP service still not ready after $wait_max seconds." \ + "Exiting $(basename $0)." + exit 1 + fi + sleep 1 + wait_time=$(( wait_time + 1 )) + done +} + 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)" @@ -205,12 +246,22 @@ if [ $PCI_ADDRESS_1 ] && [ $PCI_ADDRESS_2 ]; then sed -i "s/{{WORKER_CORES}}/$WORKER_CORES/g" /etc/vpp/startup.conf sed -i "s/{{VIF_MQ_SIZE}}/${VIF_MQ_SIZE}/g" /etc/vpp/startup.conf sed -i "s/{{NUM_MBUFS}}/${NUM_MBUFS}/g" /etc/vpp/startup.conf - service vpp start - sleep 10 + systemctl start vpp + # Wait until VPP service is ready for at most 30 seconds + wait_vpp_service 30 - INTFS=`vppctl show int | grep Ethernet | xargs` - INTF_1=`echo $INTFS | awk '{ print $1 }'` - INTF_2=`echo $INTFS | awk '{ print $4 }'` + VPPCTL_OUTPUT=$(vppctl show int) + INTFS=$(echo "$VPPCTL_OUTPUT" | grep Ethernet | xargs) + INTF_1=$(echo $INTFS | awk '{ print $1 }') + INTF_2=$(echo $INTFS | awk '{ print $4 }') + if [[ -z "$INTF_1" ]] || [[ -z "$INTF_2" ]]; then + # Log error to both system log and standard error output + logger -s "NFVBENCHVM DEBUG: \"vppctl show int\" output:" + logger -s "NFVBENCHVM DEBUG: $VPPCTL_OUTPUT" + logger -s "NFVBENCHVM ERROR: vppctl does not show the two Ethernet interfaces we expect." \ + "Exiting $(basename $0)." + exit 1 + fi if [ -z "${TG_MAC1}" ]; then # vm.conf does not support lines commented with #, so # we need to remove the line to set the static ARP entry. @@ -231,7 +282,7 @@ if [ $PCI_ADDRESS_1 ] && [ $PCI_ADDRESS_2 ]; then sed -i "s/{{TG_NET2}}/${TG_NET2//\//\/}/g" /etc/vpp/vm.conf sed -i "s/{{TG_GATEWAY1_IP}}/${TG_GATEWAY1_IP}/g" /etc/vpp/vm.conf sed -i "s/{{TG_GATEWAY2_IP}}/${TG_GATEWAY2_IP}/g" /etc/vpp/vm.conf - service vpp restart + systemctl restart vpp logger "NFVBENCHVM: vpp service restarted" else echo "ERROR: Unknown forwarder value. Accepted values: testpmd or vpp" @@ -244,4 +295,4 @@ else logger "NFVBENCHVM ERROR: Cannot find PCI Address from MAC" fi -exit 0
\ No newline at end of file +exit 0 |