vnfs/vCPE/scripts/v_gmux_install.sh

   1 #!/bin/bash
   2
   3 REPO_URL_ARTIFACTS=$(cat /opt/config/repo_url_artifacts.txt)
   4 DEMO_ARTIFACTS_VERSION=$(cat /opt/config/demo_artifacts_version.txt)
   5 INSTALL_SCRIPT_VERSION=$(cat /opt/config/install_script_version.txt)
   6 VPP_SOURCE_REPO_URL=$(cat /opt/config/vpp_source_repo_url.txt)
   7 VPP_SOURCE_REPO_RELEASE_TAG=$(cat /opt/config/vpp_source_repo_release_tag.txt)
   8 VPP_PATCH_URL=$(cat /opt/config/vpp_patch_url.txt)
   9 HC2VPP_SOURCE_REPO_URL=$(cat /opt/config/hc2vpp_source_repo_url.txt)
  10 HC2VPP_SOURCE_REPO_RELEASE_TAG=$(cat /opt/config/hc2vpp_source_repo_release_tag.txt)
  11 HC2VPP_PATCH_URL=$(cat /opt/config/hc2vpp_patch_url.txt)
  12 LIBEVEL_PATCH_URL=$(cat /opt/config/libevel_patch_url.txt)
  13 CLOUD_ENV=$(cat /opt/config/cloud_env.txt)
  14 MUX_GW_IP=$(cat /opt/config/mux_gw_net_ipaddr.txt)
  15 MUX_GW_CIDR=$(cat /opt/config/mux_gw_net_cidr.txt)
  16 MUX_TO_BNG_IP=$(cat /opt/config/mux_to_bng_net_ipaddr.txt)
  17 BNG_MUX_CIDR=$(cat /opt/config/bng_mux_net_cidr.txt)
  18 BRG_BNG_CIDR=$(cat /opt/config/brg_bng_net_cidr.txt)
  19 BNG_TO_MUX_IP=$(cat /opt/config/bng_to_mux_net_ipaddr.txt)
  20
  21 # Build states are:
  22 # 'build' - just build the code
  23 # 'done' - code is build, install and setup
  24 # 'auto' - bulid, install and setup
  25 BUILD_STATE="auto"
  26 if [[ -f /opt/config/compile_state.txt ]]
  27 then
  28     BUILD_STATE=$(cat /opt/config/compile_state.txt)
  29 fi
  30
  31 # Convert Network CIDR to Netmask
  32 cdr2mask () {
  33         # Number of args to shift, 255..255, first non-255 byte, zeroes
  34         set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
  35         [ $1 -gt 1 ] && shift $1 || shift
  36         echo ${1-0}.${2-0}.${3-0}.${4-0}
  37 }
  38
  39 # OpenStack network configuration
  40 if [[ $BUILD_STATE != "build" ]]
  41 then
  42     if [[ $CLOUD_ENV == "openstack" ]]
  43     then
  44         echo 127.0.0.1 $(hostname) >> /etc/hosts
  45
  46         # Allow remote login as root
  47         mv /root/.ssh/authorized_keys /root/.ssh/authorized_keys.bk
  48         cp /home/ubuntu/.ssh/authorized_keys /root/.ssh
  49
  50         MTU=$(/sbin/ifconfig | grep MTU | sed 's/.*MTU://' | sed 's/ .*//' | sort -n | head -1)
  51
  52         IP=$(cat /opt/config/oam_ipaddr.txt)
  53         BITS=$(cat /opt/config/oam_cidr.txt | cut -d"/" -f2)
  54         NETMASK=$(cdr2mask $BITS)
  55         echo "auto eth2" >> /etc/network/interfaces
  56         echo "iface eth2 inet static" >> /etc/network/interfaces
  57         echo "    address $IP" >> /etc/network/interfaces
  58         echo "    netmask $NETMASK" >> /etc/network/interfaces
  59         echo "    mtu $MTU" >> /etc/network/interfaces
  60
  61         ifup eth2
  62     fi
  63 fi  # endif BUILD_STATE != "build"
  64
  65 if [[ $BUILD_STATE != "done" ]]
  66 then
  67     # Download required dependencies
  68     echo "deb http://ppa.launchpad.net/openjdk-r/ppa/ubuntu $(lsb_release -c -s) main" >>  /etc/apt/sources.list.d/java.list
  69     echo "deb-src http://ppa.launchpad.net/openjdk-r/ppa/ubuntu $(lsb_release -c -s) main" >>  /etc/apt/sources.list.d/java.list
  70     apt-get update
  71     apt-get install --allow-unauthenticated -y wget openjdk-8-jdk apt-transport-https ca-certificates g++ libcurl4-gnutls-dev
  72     sleep 1
  73
  74     # Install the tools required for download codes
  75     apt-get install -y expect git patch make linux-image-extra-`uname -r`
  76
  77     #Download and build the VPP codes
  78     cd /opt
  79     git clone ${VPP_SOURCE_REPO_URL} -b ${VPP_SOURCE_REPO_RELEASE_TAG} vpp
  80     wget -O Vpp-Add-VES-agent-for-vG-MUX.patch ${VPP_PATCH_URL}
  81
  82     cd vpp
  83     patch -p1 < ../Vpp-Add-VES-agent-for-vG-MUX.patch
  84     expect -c "
  85             spawn make install-dep;
  86             expect {
  87                     \"Do you want to continue?*\" {send \"Y\r\"; interact}
  88             }
  89     "
  90
  91     # Install the evel-library first since we need the lib
  92     cd /opt
  93     apt-get install -y libcurl4-openssl-dev
  94     git clone http://gerrit.onap.org/r/demo
  95     wget -O vCPE-vG-MUX-libevel-fixup.patch ${LIBEVEL_PATCH_URL}
  96     cd demo
  97     patch -p1 < ../vCPE-vG-MUX-libevel-fixup.patch
  98     cd vnfs/VES5.0/evel/evel-library/bldjobs
  99     make
 100     cp ../libs/x86_64/libevel.so /usr/lib
 101     ldconfig
 102
 103     cd /opt/vpp/build-root
 104     ./bootstrap.sh
 105     make V=0 PLATFORM=vpp TAG=vpp install-deb
 106
 107     # Install the VPP package
 108     apt install -y python-ply-lex-3.5 python-ply-yacc-3.5 python-pycparser python-cffi
 109     dpkg -i *.deb
 110     systemctl stop vpp
 111 fi  # endif BUILD_STATE != "done"
 112
 113 if [[ $BUILD_STATE != "build" ]]
 114 then
 115     # Auto-start configuration for the VPP
 116     cat > /etc/vpp/startup.conf << EOF
 117
 118 unix {
 119   nodaemon
 120   log /tmp/vpp.log
 121   full-coredump
 122   cli-listen localhost:5002
 123   startup-config /etc/vpp/setup.gate
 124 }
 125
 126 api-trace {
 127   on
 128 }
 129
 130 api-segment {
 131   gid vpp
 132 }
 133
 134 cpu {
 135         ## In the VPP there is one main thread and optionally the user can create worker(s)
 136         ## The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically
 137
 138         ## Manual pinning of thread(s) to CPU core(s)
 139
 140         ## Set logical CPU core where main thread runs
 141         # main-core 1
 142
 143         ## Set logical CPU core(s) where worker threads are running
 144         # corelist-workers 2-3,18-19
 145
 146         ## Automatic pinning of thread(s) to CPU core(s)
 147
 148         ## Sets number of CPU core(s) to be skipped (1 ... N-1)
 149         ## Skipped CPU core(s) are not used for pinning main thread and working thread(s).
 150         ## The main thread is automatically pinned to the first available CPU core and worker(s)
 151         ## are pinned to next free CPU core(s) after core assigned to main thread
 152         # skip-cores 4
 153
 154         ## Specify a number of workers to be created
 155         ## Workers are pinned to N consecutive CPU cores while skipping "skip-cores" CPU core(s)
 156         ## and main thread's CPU core
 157         # workers 2
 158
 159         ## Set scheduling policy and priority of main and worker threads
 160
 161         ## Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH)
 162         ## idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR)
 163         # scheduler-policy fifo
 164
 165         ## Scheduling priority is used only for "real-time policies (fifo and rr),
 166         ## and has to be in the range of priorities supported for a particular policy
 167         # scheduler-priority 50
 168 }
 169
 170 # dpdk {
 171         ## Change default settings for all intefaces
 172         # dev default {
 173                 ## Number of receive queues, enables RSS
 174                 ## Default is 1
 175                 # num-rx-queues 3
 176
 177                 ## Number of transmit queues, Default is equal
 178                 ## to number of worker threads or 1 if no workers treads
 179                 # num-tx-queues 3
 180
 181                 ## Number of descriptors in transmit and receive rings
 182                 ## increasing or reducing number can impact performance
 183                 ## Default is 1024 for both rx and tx
 184                 # num-rx-desc 512
 185                 # num-tx-desc 512
 186
 187                 ## VLAN strip offload mode for interface
 188                 ## Default is off
 189                 # vlan-strip-offload on
 190         # }
 191
 192         ## Whitelist specific interface by specifying PCI address
 193         # dev 0000:02:00.0
 194
 195         ## Whitelist specific interface by specifying PCI address and in
 196         ## addition specify custom parameters for this interface
 197         # dev 0000:02:00.1 {
 198         #       num-rx-queues 2
 199         # }
 200
 201         ## Change UIO driver used by VPP, Options are: igb_uio, vfio-pci
 202         ## and uio_pci_generic (default)
 203         # uio-driver vfio-pci
 204
 205         ## Disable mutli-segment buffers, improves performance but
 206         ## disables Jumbo MTU support
 207         # no-multi-seg
 208
 209         ## Increase number of buffers allocated, needed only in scenarios with
 210         ## large number of interfaces and worker threads. Value is per CPU socket.
 211         ## Default is 16384
 212         # num-mbufs 128000
 213
 214         ## Change hugepages allocation per-socket, needed only if there is need for
 215         ## larger number of mbufs. Default is 256M on each detected CPU socket
 216         # socket-mem 2048,2048
 217 # }
 218
 219 EOF
 220
 221     # Get list of network device PCI bus addresses
 222     get_nic_pci_list() {
 223         while read -r line ; do
 224             if [ "$line" != "${line#*network device}" ]; then
 225                 echo -n "${line%% *} "
 226             fi
 227         done < <(lspci)
 228     }
 229
 230     NICS=$(get_nic_pci_list)
 231     NICS=`echo ${NICS} | sed 's/[0]\+\([0-9]\)/\1/g' | sed 's/[.:]/\//g'`
 232
 233     BNG_MUX_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 2`  # second interface in list
 234     MUX_GW_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 4`   # fourth interface in list
 235
 236     cat > /etc/vpp/setup.gate << EOF
 237 set int state ${BNG_MUX_NIC} up
 238 set int ip address ${BNG_MUX_NIC} ${MUX_TO_BNG_IP}/${BNG_MUX_CIDR#*/}
 239
 240 set int state ${MUX_GW_NIC} up
 241 set int ip address ${MUX_GW_NIC} ${MUX_GW_IP}/${MUX_GW_CIDR#*/}
 242 ip route add ${BRG_BNG_CIDR} via ${BNG_TO_MUX_IP} ${BNG_MUX_NIC}
 243 EOF
 244
 245 fi  # endif BUILD_STATE != "build"
 246
 247 if [[ $BUILD_STATE != "done" ]]
 248 then
 249     # Download and install HC2VPP from source
 250     cd /opt
 251     git clone ${HC2VPP_SOURCE_REPO_URL} -b ${HC2VPP_SOURCE_REPO_RELEASE_TAG} hc2vpp
 252     wget -O Hc2vpp-Add-VES-agent-for-vG-MUX.patch ${HC2VPP_PATCH_URL}
 253
 254     apt-get install -y maven
 255     mkdir -p ~/.m2
 256     cat > ~/.m2/settings.xml << EOF
 257 <?xml version="1.0" encoding="UTF-8"?>
 258 <!-- vi: set et smarttab sw=2 tabstop=2: -->
 259 <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
 260   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 261   xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
 262
 263   <profiles>
 264     <profile>
 265       <id>fd.io-release</id>
 266       <repositories>
 267         <repository>
 268           <id>fd.io-mirror</id>
 269           <name>fd.io-mirror</name>
 270           <url>https://nexus.fd.io/content/groups/public/</url>
 271           <releases>
 272             <enabled>true</enabled>
 273             <updatePolicy>never</updatePolicy>
 274           </releases>
 275           <snapshots>
 276             <enabled>false</enabled>
 277           </snapshots>
 278         </repository>
 279       </repositories>
 280       <pluginRepositories>
 281         <pluginRepository>
 282           <id>fd.io-mirror</id>
 283           <name>fd.io-mirror</name>
 284           <url>https://nexus.fd.io/content/repositories/public/</url>
 285           <releases>
 286             <enabled>true</enabled>
 287             <updatePolicy>never</updatePolicy>
 288           </releases>
 289           <snapshots>
 290             <enabled>false</enabled>
 291           </snapshots>
 292         </pluginRepository>
 293       </pluginRepositories>
 294     </profile>
 295
 296     <profile>
 297       <id>fd.io-snapshots</id>
 298       <repositories>
 299         <repository>
 300           <id>fd.io-snapshot</id>
 301           <name>fd.io-snapshot</name>
 302           <url>https://nexus.fd.io/content/repositories/fd.io.snapshot/</url>
 303           <releases>
 304             <enabled>false</enabled>
 305           </releases>
 306           <snapshots>
 307             <enabled>true</enabled>
 308           </snapshots>
 309         </repository>
 310       </repositories>
 311       <pluginRepositories>
 312         <pluginRepository>
 313           <id>fd.io-snapshot</id>
 314           <name>fd.io-snapshot</name>
 315           <url>https://nexus.fd.io/content/repositories/fd.io.snapshot/</url>
 316           <releases>
 317             <enabled>false</enabled>
 318           </releases>
 319           <snapshots>
 320             <enabled>true</enabled>
 321           </snapshots>
 322         </pluginRepository>
 323       </pluginRepositories>
 324     </profile>
 325     <profile>
 326       <id>opendaylight-snapshots</id>
 327       <repositories>
 328         <repository>
 329           <id>opendaylight-snapshot</id>
 330           <name>opendaylight-snapshot</name>
 331           <url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url>
 332           <releases>
 333             <enabled>false</enabled>
 334           </releases>
 335           <snapshots>
 336             <enabled>true</enabled>
 337           </snapshots>
 338         </repository>
 339       </repositories>
 340       <pluginRepositories>
 341         <pluginRepository>
 342           <id>opendaylight-shapshot</id>
 343           <name>opendaylight-snapshot</name>
 344           <url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url>
 345           <releases>
 346             <enabled>false</enabled>
 347           </releases>
 348           <snapshots>
 349             <enabled>true</enabled>
 350           </snapshots>
 351         </pluginRepository>
 352       </pluginRepositories>
 353     </profile>
 354   </profiles>
 355
 356   <activeProfiles>
 357     <activeProfile>fd.io-release</activeProfile>
 358     <activeProfile>fd.io-snapshots</activeProfile>
 359     <activeProfile>opendaylight-snapshots</activeProfile>
 360   </activeProfiles>
 361 </settings>
 362 EOF
 363
 364     cd hc2vpp
 365     patch -p1 < ../Hc2vpp-Add-VES-agent-for-vG-MUX.patch
 366     p_version_snap=$(cat ves/ves-impl/pom.xml | grep -A 1 "jvpp-ves" | tail -1)
 367     p_version_snap=$(echo "${p_version_snap%<*}")
 368     p_version_snap=$(echo "${p_version_snap#*>}")
 369     p_version=$(echo "${p_version_snap%-*}")
 370     mkdir -p  ~/.m2/repository/io/fd/vpp/jvpp-ves/${p_version_snap}
 371     mvn install:install-file -Dfile=/usr/share/java/jvpp-ves-${p_version}.jar -DgroupId=io.fd.vpp -DartifactId=jvpp-ves -Dversion=${p_version_snap} -Dpackaging=jar
 372     mvn clean install -nsu -DskipTests=true
 373     l_version=$(cat pom.xml | grep "<version>" | head -1)
 374     l_version=$(echo "${l_version%<*}")
 375     l_version=$(echo "${l_version#*>}")
 376     mv vpp-integration/minimal-distribution/target/vpp-integration-distribution-${l_version}-hc/vpp-integration-distribution-${l_version} /opt/honeycomb
 377     sed -i 's/127.0.0.1/0.0.0.0/g' /opt/honeycomb/config/honeycomb.json
 378
 379     # Disable automatic upgrades
 380     if [[ $CLOUD_ENV != "rackspace" ]]
 381     then
 382         echo "APT::Periodic::Unattended-Upgrade \"0\";" >> /etc/apt/apt.conf.d/10periodic
 383         sed -i 's/\(APT::Periodic::Unattended-Upgrade\) "1"/\1 "0"/' /etc/apt/apt.conf.d/20auto-upgrades
 384     fi
 385 fi  # endif BUILD_STATE != "done"
 386
 387 if [[ $BUILD_STATE != "build" ]]
 388 then
 389     # Create systemctl service for Honeycomb
 390     cat > /etc/systemd/system/honeycomb.service << EOF
 391 [Unit]
 392 Description=Honeycomb Agent for the VPP control plane
 393 Documentation=https://wiki.fd.io/view/Honeycomb
 394 Requires=vpp.service
 395 After=vpp.service
 396
 397 [Service]
 398 ExecStart=/opt/honeycomb/honeycomb
 399 ExecStop=/opt/reset_ves_mode.sh
 400 Restart=always
 401 RestartSec=10
 402
 403 [Install]
 404 WantedBy=multi-user.target
 405 EOF
 406     systemctl enable /etc/systemd/system/honeycomb.service
 407
 408     # Create script that is used to reset the ves mode configuration
 409     # when the honeycomb service is stopped
 410     cat > /opt/reset_ves_mode.sh << EOF
 411 #!/bin/bash
 412 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,/)
 413 if [[ "\${mode_data}" != "" ]]
 414 then
 415     curl -X DELETE -u admin:admin http://127.0.0.1:8183/restconf/config/vesagent:vesagent/mode
 416     curl -H "Content-Type:application/json" --data "\${mode_data}" -X POST -u admin:admin http://127.0.0.1:8183/restconf/config/vesagent:vesagent
 417 fi
 418 EOF
 419     chmod a+x /opt/reset_ves_mode.sh
 420
 421     #Create a systemd service for auto-save
 422     cat > /usr/bin/save_config << EOF
 423 #!/bin/bash
 424
 425 #########################################################################
 426 #
 427 #  Copyright (c) 2017 Intel and/or its affiliates.
 428 #
 429 #  Licensed under the Apache License, Version 2.0 (the "License");
 430 #  you may not use this file except in compliance with the License.
 431 #  You may obtain a copy of the License at:
 432 #
 433 #      http://www.apache.org/licenses/LICENSE-2.0
 434 #
 435 #  Unless required by applicable law or agreed to in writing, software
 436 #  distributed under the License is distributed on an "AS IS" BASIS,
 437 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 438 #  See the License for the specific language governing permissions and
 439 #  limitations under the License.
 440 #
 441 ##########################################################################
 442
 443 ############################### Variables ################################
 444 VPP_SETUP_GATE=/etc/vpp/setup.gate
 445
 446 ############################### Functions ################################
 447
 448 # Write the commands to the startup scripts.
 449 #
 450 # We could set VPP configuration to the startup.conf.
 451 # Write the configuration to the startup scripts so we could
 452 # restore the system after rebooting.
 453 #
 454 write_startup_scripts()
 455 {
 456         local cmd=\${2}
 457         local is_add=\${1}
 458
 459         if [[ \${is_add} == add ]] ;then
 460                 while read -r line
 461                 do
 462                         if [[ \${line} == \${cmd} ]] ;then
 463                                 return 0
 464                         fi
 465                 done < \${VPP_SETUP_GATE}
 466
 467                 echo "\${cmd}" >> \${VPP_SETUP_GATE}
 468         else
 469                 while read -r line
 470                 do
 471                         if [[ \${line} == \${cmd} ]] ;then
 472                                 sed -i "/\${line}/d" \${VPP_SETUP_GATE}
 473                                 return 0
 474                         fi
 475                 done < \${VPP_SETUP_GATE}
 476         fi
 477 }
 478
 479 # Save the VxLAN Tunnel Configuration to the startup script.
 480 #
 481 # Get the current VxLAN tunnel configuration with bash command:
 482 # \$vppctl show vxlan tunnel
 483 #  [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
 484 #  [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
 485 # Set the VxLAN Tunnel with the bash command:
 486 # \$vppctl create vxlan tunnel src 10.3.0.2 dst 10.1.0.20 vni 100
 487 # vxlan_tunnel0
 488 save_vxlan_tunnel()
 489 {
 490         local src=""
 491         local dst=""
 492         local vni=""
 493
 494         vppctl show vxlan tunnel | while read line
 495         do
 496                 if [ "\${line}" != "" ] ;then
 497                         src=\`echo \${line} | awk '{ print \$3 }'\`
 498                         dst=\`echo \${line} | awk '{ print \$5 }'\`
 499                         vni=\`echo \${line} | awk '{ print \$7 }'\`
 500
 501                         write_startup_scripts add "create vxlan tunnel src \${src} dst \${dst} vni \${vni}"
 502                 fi
 503         done
 504 }
 505
 506 # Save the VxLAN tunnel L2 xconnect configuration to the startup script.
 507 #
 508 # Get the Current L2 Address configuration with bash command:
 509 # \$vppctl show int addr
 510 # local0 (dn):
 511 # vxlan_tunnel0 (up):
 512 #   l2 xconnect vxlan_tunnel1
 513 # vxlan_tunnel1 (up):
 514 #   l2 xconnect vxlan_tunnel0
 515 # Save the VxLAN tunnel L2 xconnect configuration with bash command:
 516 # \$vppctl set interface l2 xconnect vxlan_tunnel0 vxlan_tunnel1
 517 #
 518 save_vxlan_xconnect()
 519 {
 520         local ingress=""
 521         local egress=""
 522
 523         vppctl show int addr | while read line
 524         do
 525                 if [[ \${line} == vxlan_tunnel* ]] ;then
 526                         read next
 527                         while [[ \${next} != l2* ]] || [[ \${next} == "" ]]
 528                         do
 529                                 line=\`echo \${next}\`
 530                                 read next
 531                         done
 532                         if [[ \${next} == l2* ]] ;then
 533                                 ingress=\`echo \${line} | awk '{ print \$1 }'\`
 534                                 egress=\`echo \${next} | awk '{ print \$3 }'\`
 535                                 write_startup_scripts add "set interface l2 xconnect \${ingress} \${egress}"
 536                         fi
 537                 fi
 538         done
 539 }
 540
 541 ################################# MAIN ###################################
 542
 543 save_vxlan_tunnel
 544
 545 save_vxlan_xconnect
 546
 547 EOF
 548     chmod a+x /usr/bin/save_config
 549     cat > /etc/systemd/system/autosave.service << EOF
 550 [Unit]
 551 Description=Run Scripts at Start and Stop
 552 Requires=vpp.service
 553 After=vpp.service
 554
 555 [Service]
 556 Type=oneshot
 557 RemainAfterExit=true
 558 ExecStop=/usr/bin/save_config
 559
 560 [Install]
 561 WantedBy=multi-user.target
 562 EOF
 563     systemctl enable /etc/systemd/system/autosave.service
 564
 565     # Download DHCP config files
 566     cd /opt
 567     unzip -p -j /opt/vcpe-scripts-$INSTALL_SCRIPT_VERSION.zip v_gmux_init.sh > /opt/v_gmux_init.sh
 568     unzip -p -j /opt/vcpe-scripts-$INSTALL_SCRIPT_VERSION.zip v_gmux.sh > /opt/v_gmux.sh
 569     chmod +x v_gmux_init.sh
 570     chmod +x v_gmux.sh
 571     mv v_gmux.sh /etc/init.d
 572     update-rc.d v_gmux.sh defaults
 573
 574     # Rename network interface in openstack Ubuntu 16.04 images. Then, reboot the VM to pick up changes
 575     if [[ $CLOUD_ENV != "rackspace" ]]
 576     then
 577         sed -i "s/GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"net.ifnames=0 biosdevname=0\"/g" /etc/default/grub
 578         grub-mkconfig -o /boot/grub/grub.cfg
 579         sed -i "s/ens[0-9]*/eth0/g" /etc/network/interfaces.d/*.cfg
 580         sed -i "s/ens[0-9]*/eth0/g" /etc/udev/rules.d/70-persistent-net.rules
 581         echo 'network: {config: disabled}' >> /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
 582         reboot
 583     fi
 584
 585     ./v_gmux_init.sh
 586 fi  # endif BUILD_STATE != "build"