#!/bin/bash SCRIPT_VERSION=$(cat /opt/config/script_version.txt) CLOUD_ENV=$(cat /opt/config/cloud_env.txt) MUX_GW_IP=$(cat /opt/config/mux_gw_net_ipaddr.txt) MUX_GW_CIDR=$(cat /opt/config/mux_gw_net_cidr.txt) MUX_TO_BNG_IP=$(cat /opt/config/mux_to_bng_net_ipaddr.txt) BNG_MUX_CIDR=$(cat /opt/config/bng_mux_net_cidr.txt) BRG_BNG_CIDR=$(cat /opt/config/brg_bng_net_cidr.txt) BNG_TO_MUX_IP=$(cat /opt/config/bng_to_mux_net_ipaddr.txt) # Convert Network CIDR to Netmask cdr2mask () { # Number of args to shift, 255..255, first non-255 byte, zeroes set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0 [ $1 -gt 1 ] && shift $1 || shift echo ${1-0}.${2-0}.${3-0}.${4-0} } # OpenStack network configuration if [[ $CLOUD_ENV == "openstack" ]] then echo 127.0.0.1 $(hostname) >> /etc/hosts # Allow remote login as root mv /root/.ssh/authorized_keys /root/.ssh/authorized_keys.bk cp /home/ubuntu/.ssh/authorized_keys /root/.ssh MTU=$(/sbin/ifconfig | grep MTU | sed 's/.*MTU://' | sed 's/ .*//' | sort -n | head -1) IP=$(cat /opt/config/oam_ipaddr.txt) BITS=$(cat /opt/config/oam_cidr.txt | cut -d"/" -f2) NETMASK=$(cdr2mask $BITS) echo "auto eth2" >> /etc/network/interfaces echo "iface eth2 inet static" >> /etc/network/interfaces echo " address $IP" >> /etc/network/interfaces echo " netmask $NETMASK" >> /etc/network/interfaces echo " mtu $MTU" >> /etc/network/interfaces ifup eth2 fi # Auto-start configuration for the VPP cat > /etc/vpp/startup.conf << EOF unix { nodaemon log /tmp/vpp.log full-coredump cli-listen localhost:5002 startup-config /etc/vpp/setup.gate } api-trace { on } api-segment { gid vpp } cpu { ## In the VPP there is one main thread and optionally the user can create worker(s) ## The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically ## Manual pinning of thread(s) to CPU core(s) ## Set logical CPU core where main thread runs # main-core 1 ## Set logical CPU core(s) where worker threads are running # corelist-workers 2-3,18-19 ## Automatic pinning of thread(s) to CPU core(s) ## Sets number of CPU core(s) to be skipped (1 ... N-1) ## Skipped CPU core(s) are not used for pinning main thread and working thread(s). ## The main thread is automatically pinned to the first available CPU core and worker(s) ## are pinned to next free CPU core(s) after core assigned to main thread # skip-cores 4 ## Specify a number of workers to be created ## Workers are pinned to N consecutive CPU cores while skipping "skip-cores" CPU core(s) ## and main thread's CPU core # workers 2 ## Set scheduling policy and priority of main and worker threads ## Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH) ## idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR) # scheduler-policy fifo ## Scheduling priority is used only for "real-time policies (fifo and rr), ## and has to be in the range of priorities supported for a particular policy # scheduler-priority 50 } # dpdk { ## Change default settings for all intefaces # dev default { ## Number of receive queues, enables RSS ## Default is 1 # num-rx-queues 3 ## Number of transmit queues, Default is equal ## to number of worker threads or 1 if no workers treads # num-tx-queues 3 ## Number of descriptors in transmit and receive rings ## increasing or reducing number can impact performance ## Default is 1024 for both rx and tx # num-rx-desc 512 # num-tx-desc 512 ## VLAN strip offload mode for interface ## Default is off # vlan-strip-offload on # } ## Whitelist specific interface by specifying PCI address # dev 0000:02:00.0 ## Whitelist specific interface by specifying PCI address and in ## addition specify custom parameters for this interface # dev 0000:02:00.1 { # num-rx-queues 2 # } ## Change UIO driver used by VPP, Options are: igb_uio, vfio-pci ## and uio_pci_generic (default) # uio-driver vfio-pci ## Disable mutli-segment buffers, improves performance but ## disables Jumbo MTU support # no-multi-seg ## Increase number of buffers allocated, needed only in scenarios with ## large number of interfaces and worker threads. Value is per CPU socket. ## Default is 16384 # num-mbufs 128000 ## Change hugepages allocation per-socket, needed only if there is need for ## larger number of mbufs. Default is 256M on each detected CPU socket # socket-mem 2048,2048 # } EOF # Get list of network device PCI bus addresses get_nic_pci_list() { while read -r line ; do if [ "$line" != "${line#*network device}" ]; then echo -n "${line%% *} " fi done < <(lspci) } NICS=$(get_nic_pci_list) NICS=`echo ${NICS} | sed 's/[0]\+\([0-9]\)/\1/g' | sed 's/[.:]/\//g'` BNG_MUX_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 2` # second interface in list MUX_GW_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 4` # fourth interface in list cat > /etc/vpp/setup.gate << EOF set int state ${BNG_MUX_NIC} up set int ip address ${BNG_MUX_NIC} ${MUX_TO_BNG_IP}/${BNG_MUX_CIDR#*/} set int state ${MUX_GW_NIC} up set int ip address ${MUX_GW_NIC} ${MUX_GW_IP}/${MUX_GW_CIDR#*/} ip route add ${BRG_BNG_CIDR} via ${BNG_TO_MUX_IP} ${BNG_MUX_NIC} EOF # Create systemctl service for Honeycomb cat > /etc/systemd/system/honeycomb.service << EOF [Unit] Description=Honeycomb Agent for the VPP control plane Documentation=https://wiki.fd.io/view/Honeycomb Requires=vpp.service After=vpp.service [Service] ExecStart=/opt/honeycomb/honeycomb ExecStop=/opt/reset_ves_mode.sh Restart=always RestartSec=10 [Install] WantedBy=multi-user.target EOF systemctl enable /etc/systemd/system/honeycomb.service # Create script that is used to reset the ves mode configuration # when the honeycomb service is stopped cat > /opt/reset_ves_mode.sh << EOF #!/bin/bash mode_data=\$(curl -X GET -u admin:admin http://127.0.0.1:8183/restconf/config/vesagent:vesagent/mode 2>/dev/null | sed s/\"base-packet-loss\":[0-9]\*,/\"base-packet-loss\":0,/) if [[ "\${mode_data}" != "" ]] then curl -X DELETE -u admin:admin http://127.0.0.1:8183/restconf/config/vesagent:vesagent/mode curl -H "Content-Type:application/json" --data "\${mode_data}" -X POST -u admin:admin http://127.0.0.1:8183/restconf/config/vesagent:vesagent fi EOF chmod a+x /opt/reset_ves_mode.sh #Create a systemd service for auto-save cat > /usr/bin/save_config << EOF #!/bin/bash ######################################################################### # # Copyright (c) 2017 Intel and/or its affiliates. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at: # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # ########################################################################## ############################### Variables ################################ VPP_SETUP_GATE=/etc/vpp/setup.gate ############################### Functions ################################ # Write the commands to the startup scripts. # # We could set VPP configuration to the startup.conf. # Write the configuration to the startup scripts so we could # restore the system after rebooting. # write_startup_scripts() { local cmd=\${2} local is_add=\${1} if [[ \${is_add} == add ]] ;then while read -r line do if [[ \${line} == \${cmd} ]] ;then return 0 fi done < \${VPP_SETUP_GATE} echo "\${cmd}" >> \${VPP_SETUP_GATE} else while read -r line do if [[ \${line} == \${cmd} ]] ;then sed -i "/\${line}/d" \${VPP_SETUP_GATE} return 0 fi done < \${VPP_SETUP_GATE} fi } # Save the VxLAN Tunnel Configuration to the startup script. # # Get the current VxLAN tunnel configuration with bash command: # \$vppctl show vxlan tunnel # [0] src 10.3.0.2 dst 10.1.0.20 vni 100 sw_if_index 1 encap_fib_index 0 fib_entry_index 7 decap_next l2 # [1] src 10.5.0.20 dst 10.5.0.21 vni 100 sw_if_index 2 encap_fib_index 0 fib_entry_index 8 decap_next l2 # Set the VxLAN Tunnel with the bash command: # \$vppctl create vxlan tunnel src 10.3.0.2 dst 10.1.0.20 vni 100 # vxlan_tunnel0 save_vxlan_tunnel() { local src="" local dst="" local vni="" vppctl show vxlan tunnel | while read line do if [ "\${line}" != "" ] ;then src=\`echo \${line} | awk '{ print \$3 }'\` dst=\`echo \${line} | awk '{ print \$5 }'\` vni=\`echo \${line} | awk '{ print \$7 }'\` write_startup_scripts add "create vxlan tunnel src \${src} dst \${dst} vni \${vni}" fi done } # Save the VxLAN tunnel L2 xconnect configuration to the startup script. # # Get the Current L2 Address configuration with bash command: # \$vppctl show int addr # local0 (dn): # vxlan_tunnel0 (up): # l2 xconnect vxlan_tunnel1 # vxlan_tunnel1 (up): # l2 xconnect vxlan_tunnel0 # Save the VxLAN tunnel L2 xconnect configuration with bash command: # \$vppctl set interface l2 xconnect vxlan_tunnel0 vxlan_tunnel1 # save_vxlan_xconnect() { local ingress="" local egress="" vppctl show int addr | while read line do if [[ \${line} == vxlan_tunnel* ]] ;then read next while [[ \${next} != l2* ]] || [[ \${next} == "" ]] do line=\`echo \${next}\` read next done if [[ \${next} == l2* ]] ;then ingress=\`echo \${line} | awk '{ print \$1 }'\` egress=\`echo \${next} | awk '{ print \$3 }'\` write_startup_scripts add "set interface l2 xconnect \${ingress} \${egress}" fi fi done } ################################# MAIN ################################### save_vxlan_tunnel save_vxlan_xconnect EOF chmod a+x /usr/bin/save_config cat > /etc/systemd/system/autosave.service << EOF [Unit] Description=Run Scripts at Start and Stop equires=vpp.service After=vpp.service [Service] Type=oneshot RemainAfterExit=true ExecStop=/usr/bin/save_config [Install] WantedBy=multi-user.target EOF systemctl enable /etc/systemd/system/autosave.service # Download DHCP config files cd /opt unzip -p -j /opt/vcpe-scripts-$SCRIPT_VERSION.zip v_gmux_init.sh > /opt/v_gmux_init.sh unzip -p -j /opt/vcpe-scripts-$SCRIPT_VERSION.zip v_gmux.sh > /opt/v_gmux.sh chmod +x v_gmux_init.sh chmod +x v_gmux.sh mv v_gmux.sh /etc/init.d update-rc.d v_gmux.sh defaults # Rename network interface in openstack Ubuntu 16.04 images. Then, reboot the VM to pick up changes if [[ $CLOUD_ENV != "rackspace" ]] then sed -i "s/GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"net.ifnames=0 biosdevname=0\"/g" /etc/default/grub grub-mkconfig -o /boot/grub/grub.cfg sed -i "s/ens[0-9]*/eth0/g" /etc/network/interfaces.d/*.cfg sed -i "s/ens[0-9]*/eth0/g" /etc/udev/rules.d/70-persistent-net.rules echo 'network: {config: disabled}' >> /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg reboot fi ./v_gmux_init.sh