3 CLOUD_ENV=$(cat /opt/config/cloud_env.txt)
4 MUX_GW_IP=$(cat /opt/config/mux_gw_private_net_ipaddr.txt)
5 MUX_GW_CIDR=$(cat /opt/config/mux_gw_private_net_cidr.txt)
6 MUX_IP_ADDR=$(cat /opt/config/mux_ip_addr.txt)
7 VG_VGMUX_TUNNEL_VNI=$(cat /opt/config/vg_vgmux_tunnel_vni.txt)
11 # Convert Network CIDR to Netmask
13 # Number of args to shift, 255..255, first non-255 byte, zeroes
14 set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
15 [ $1 -gt 1 ] && shift $1 || shift
16 echo ${1-0}.${2-0}.${3-0}.${4-0}
19 # OpenStack network configuration
21 if [[ $CLOUD_ENV == "openstack" ]]
23 echo 127.0.0.1 $(hostname) >> /etc/hosts
25 # Allow remote login as root
26 mv /root/.ssh/authorized_keys /root/.ssh/authorized_keys.bk
27 cp /home/ubuntu/.ssh/authorized_keys /root/.ssh
29 MTU=$(/sbin/ifconfig | grep MTU | sed 's/.*MTU://' | sed 's/ .*//' | sort -n | head -1)
31 IP=$(cat /opt/config/oam_ipaddr.txt)
32 BITS=$(cat /opt/config/oam_cidr.txt | cut -d"/" -f2)
33 NETMASK=$(cdr2mask $BITS)
34 echo "auto eth2" >> /etc/network/interfaces
35 echo "iface eth2 inet static" >> /etc/network/interfaces
36 echo " address $IP" >> /etc/network/interfaces
37 echo " netmask $NETMASK" >> /etc/network/interfaces
38 echo " mtu $MTU" >> /etc/network/interfaces
43 # Auto-start configuration for the VPP
44 cat > /etc/vpp/startup.conf << EOF
50 cli-listen localhost:5002
51 startup-config /etc/vpp/setup.gate
63 ## In the VPP there is one main thread and optionally the user can create worker(s)
64 ## The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically
66 ## Manual pinning of thread(s) to CPU core(s)
68 ## Set logical CPU core where main thread runs
71 ## Set logical CPU core(s) where worker threads are running
72 # corelist-workers 2-3,18-19
74 ## Automatic pinning of thread(s) to CPU core(s)
76 ## Sets number of CPU core(s) to be skipped (1 ... N-1)
77 ## Skipped CPU core(s) are not used for pinning main thread and working thread(s).
78 ## The main thread is automatically pinned to the first available CPU core and worker(s)
79 ## are pinned to next free CPU core(s) after core assigned to main thread
82 ## Specify a number of workers to be created
83 ## Workers are pinned to N consecutive CPU cores while skipping "skip-cores" CPU core(s)
84 ## and main thread's CPU core
87 ## Set scheduling policy and priority of main and worker threads
89 ## Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH)
90 ## idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR)
91 # scheduler-policy fifo
93 ## Scheduling priority is used only for "real-time policies (fifo and rr),
94 ## and has to be in the range of priorities supported for a particular policy
95 # scheduler-priority 50
99 ## Change default settings for all intefaces
101 ## Number of receive queues, enables RSS
105 ## Number of transmit queues, Default is equal
106 ## to number of worker threads or 1 if no workers treads
109 ## Number of descriptors in transmit and receive rings
110 ## increasing or reducing number can impact performance
111 ## Default is 1024 for both rx and tx
115 ## VLAN strip offload mode for interface
117 # vlan-strip-offload on
120 ## Whitelist specific interface by specifying PCI address
123 ## Whitelist specific interface by specifying PCI address and in
124 ## addition specify custom parameters for this interface
129 ## Change UIO driver used by VPP, Options are: igb_uio, vfio-pci
130 ## and uio_pci_generic (default)
131 # uio-driver vfio-pci
133 ## Disable mutli-segment buffers, improves performance but
134 ## disables Jumbo MTU support
137 ## Increase number of buffers allocated, needed only in scenarios with
138 ## large number of interfaces and worker threads. Value is per CPU socket.
142 ## Change hugepages allocation per-socket, needed only if there is need for
143 ## larger number of mbufs. Default is 256M on each detected CPU socket
144 # socket-mem 2048,2048
149 # Get list of network device PCI bus addresses
151 while read -r line ; do
152 if [ "$line" != "${line#*network device}" ]; then
153 echo -n "${line%% *} "
158 NICS=$(get_nic_pci_list)
159 NICS=`echo ${NICS} | sed 's/[0]\+\([0-9]\)/\1/g' | sed 's/[.:]/\//g'`
161 MUX_GW_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 2` # second interface in list
162 GW_PUB_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 4` # fourth interface in list
164 cat > /etc/vpp/setup.gate << EOF
165 set int state ${MUX_GW_NIC} up
166 set int ip address ${MUX_GW_NIC} ${MUX_GW_IP}/${MUX_GW_CIDR#*/}
168 set int state ${GW_PUB_NIC} up
169 set dhcp client intfc ${GW_PUB_NIC} hostname vg-1
171 create vxlan tunnel src ${MUX_GW_IP} dst ${MUX_IP_ADDR} vni ${VG_VGMUX_TUNNEL_VNI}
172 set interface l2 bridge vxlan_tunnel0 10 1
173 set bridge-domain arp term 10
176 set int l2 bridge loop0 10 bvi 2
177 set int ip address loop0 192.168.1.254/24
178 set int state loop0 up
179 set int snat in loop0 out ${GW_PUB_NIC}
180 snat add int address ${GW_PUB_NIC}
185 # Create systemctl service for Honeycomb
186 cat > /etc/systemd/system/honeycomb.service << EOF
188 Description=Honeycomb Agent for the VPP control plane
189 Documentation=https://wiki.fd.io/view/Honeycomb
194 ExecStart=/opt/honeycomb/honeycomb
199 WantedBy=multi-user.target
201 systemctl enable /etc/systemd/system/honeycomb.service
204 cat >> /etc/dhcp/dhcpd.conf << EOF
205 subnet 192.168.1.0 netmask 255.255.255.0 {
206 range 192.168.1.2 192.168.1.253;
207 option subnet-mask 255.255.255.0;
208 option routers 192.168.1.254;
209 option broadcast-address 192.168.1.255;
210 default-lease-time 600;
216 STATUS=$(ip link show lstack)
219 vppctl tap connect lstack address 192.168.1.1/24
220 vppctl set int state tap-0 up
221 vppctl set interface l2 bridge tap-0 10 0
223 IP=$(/sbin/ifconfig lstack | grep "inet addr:" | cut -d: -f2 | awk "{ print $1 }")
224 if [ ! -z "$STATUS" ] && [ -z "$IP" ]
226 ip link delete lstack
227 vppctl tap delete tap-0
228 vppctl tap connect lstack address 192.168.1.1/24
229 vppctl set int state tap-0 up
230 vppctl set interface l2 bridge tap-0 10 0
231 fi' > /opt/v_gw_init.sh
233 chmod +x v_gw_init.sh
235 cat > /etc/systemd/system/vgw.service << EOF
237 Description=vGW service to run after honeycomb service
238 Requires=honeycomb.service
239 After=honeycomb.service
242 ExecStart=/opt/v_gw_init.sh
247 WantedBy=multi-user.target
250 systemctl enable /etc/systemd/system/vgw.service
252 cp /etc/systemd/system/multi-user.target.wants/isc-dhcp-server.service /etc/systemd/system/
253 sed -i '/Documentation/a Wants=vgw.service\nAfter=vgw.service' /etc/systemd/system/isc-dhcp-server.service
254 sed -i '/exec dhcpd/a Restart=always\nRestartSec=10' /etc/systemd/system/isc-dhcp-server.service
256 # Rename network interface in openstack Ubuntu 16.04 images. Then, reboot the VM to pick up changes
257 if [[ $CLOUD_ENV != "rackspace" ]]
259 sed -i "s/GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"net.ifnames=0 biosdevname=0\"/g" /etc/default/grub
260 grub-mkconfig -o /boot/grub/grub.cfg
261 sed -i "s/ens[0-9]*/eth0/g" /etc/network/interfaces.d/*.cfg
262 #sed -i "s/ens[0-9]*/eth0/g" /etc/udev/rules.d/70-persistent-net.rules
263 echo 'network: {config: disabled}' >> /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
264 echo 'Execution of vG install script completed' > /opt/script_status.txt
267 echo 'Execution of vG install script completed' > /opt/script_status.txt