vnfs/vCPE/scripts/v_gmux_install.sh

   1 #!/bin/bash
   2
   3 REPO_URL_BLOB=$(cat /opt/config/repo_url_blob.txt)
   4 REPO_URL_ARTIFACTS=$(cat /opt/config/repo_url_artifacts.txt)
   5 DEMO_ARTIFACTS_VERSION=$(cat /opt/config/demo_artifacts_version.txt)
   6 INSTALL_SCRIPT_VERSION=$(cat /opt/config/install_script_version.txt)
   7 VPP_SOURCE_REPO_URL=$(cat /opt/config/vpp_source_repo_url.txt)
   8 VPP_SOURCE_REPO_BRANCH=$(cat /opt/config/vpp_source_repo_branch.txt)
   9 VPP_PATCH_URL=$(cat /opt/config/vpp_patch_url.txt)
  10 HC2VPP_SOURCE_REPO_URL=$(cat /opt/config/hc2vpp_source_repo_url.txt)
  11 HC2VPP_SOURCE_REPO_BRANCH=$(cat /opt/config/hc2vpp_source_repo_branch.txt)
  12 HC2VPP_PATCH_URL=$(cat /opt/config/hc2vpp_patch_url.txt)
  13 LIBEVEL_PATCH_URL=$(cat /opt/config/libevel_patch_url.txt)
  14 CLOUD_ENV=$(cat /opt/config/cloud_env.txt)
  15 MUX_GW_IP=$(cat /opt/config/mux_gw_net_ipaddr.txt)
  16 MUX_GW_CIDR=$(cat /opt/config/mux_gw_net_cidr.txt)
  17 MUX_TO_BNG_IP=$(cat /opt/config/mux_to_bng_net_ipaddr.txt)
  18 BNG_MUX_CIDR=$(cat /opt/config/bng_mux_net_cidr.txt)
  19 BRG_BNG_CIDR=$(cat /opt/config/brg_bng_net_cidr.txt)
  20 BNG_TO_MUX_IP=$(cat /opt/config/bng_to_mux_net_ipaddr.txt)
  21
  22 # Build states are:
  23 # 'build' - just build the code
  24 # 'done' - code is build, install and setup
  25 # 'auto' - bulid, install and setup
  26 BUILD_STATE="auto"
  27 if [[ -f /opt/config/compile_state.txt ]]
  28 then
  29     BUILD_STATE=$(cat /opt/config/compile_state.txt)
  30 fi
  31
  32 # Convert Network CIDR to Netmask
  33 cdr2mask () {
  34         # Number of args to shift, 255..255, first non-255 byte, zeroes
  35         set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0
  36         [ $1 -gt 1 ] && shift $1 || shift
  37         echo ${1-0}.${2-0}.${3-0}.${4-0}
  38 }
  39
  40 # OpenStack network configuration
  41 if [[ $BUILD_STATE != "build" ]]
  42 then
  43     if [[ $CLOUD_ENV == "openstack" ]]
  44     then
  45         echo 127.0.0.1 $(hostname) >> /etc/hosts
  46
  47         # Allow remote login as root
  48         mv /root/.ssh/authorized_keys /root/.ssh/authorized_keys.bk
  49         cp /home/ubuntu/.ssh/authorized_keys /root/.ssh
  50
  51         MTU=$(/sbin/ifconfig | grep MTU | sed 's/.*MTU://' | sed 's/ .*//' | sort -n | head -1)
  52
  53         IP=$(cat /opt/config/oam_ipaddr.txt)
  54         BITS=$(cat /opt/config/oam_cidr.txt | cut -d"/" -f2)
  55         NETMASK=$(cdr2mask $BITS)
  56         echo "auto eth2" >> /etc/network/interfaces
  57         echo "iface eth2 inet static" >> /etc/network/interfaces
  58         echo "    address $IP" >> /etc/network/interfaces
  59         echo "    netmask $NETMASK" >> /etc/network/interfaces
  60         echo "    mtu $MTU" >> /etc/network/interfaces
  61
  62         ifup eth2
  63     fi
  64 fi  # endif BUILD_STATE != "build"
  65
  66 if [[ $BUILD_STATE != "done" ]]
  67 then
  68     # Download required dependencies
  69     echo "deb http://ppa.launchpad.net/openjdk-r/ppa/ubuntu $(lsb_release -c -s) main" >>  /etc/apt/sources.list.d/java.list
  70     echo "deb-src http://ppa.launchpad.net/openjdk-r/ppa/ubuntu $(lsb_release -c -s) main" >>  /etc/apt/sources.list.d/java.list
  71     apt-get update
  72     apt-get install --allow-unauthenticated -y wget openjdk-8-jdk apt-transport-https ca-certificates g++ libcurl4-gnutls-dev
  73     sleep 1
  74
  75     # Install the tools required for download codes
  76     apt-get install -y expect git patch make linux-image-extra-`uname -r`
  77
  78     #Download and build the VPP codes
  79     cd /opt
  80     git clone ${VPP_SOURCE_REPO_URL} -b ${VPP_SOURCE_REPO_BRANCH} vpp
  81     wget -O Vpp-Add-VES-agent-for-vG-MUX.patch ${VPP_PATCH_URL}
  82
  83     cd vpp
  84     patch -p1 < ../Vpp-Add-VES-agent-for-vG-MUX.patch
  85     expect -c "
  86             spawn make install-dep;
  87             expect {
  88                     \"Do you want to continue?*\" {send \"Y\r\"; interact}
  89             }
  90     "
  91
  92     # Install the evel-library first since we need the lib
  93     cd /opt
  94     apt-get install -y libcurl4-openssl-dev
  95     git clone http://gerrit.onap.org/r/demo
  96     wget -O vCPE-vG-MUX-libevel-fixup.patch ${LIBEVEL_PATCH_URL}
  97     cd demo
  98     patch -p1 < ../vCPE-vG-MUX-libevel-fixup.patch
  99     cd vnfs/VES5.0/evel/evel-library/bldjobs
 100     make
 101     cp ../libs/x86_64/libevel.so /usr/lib
 102     ldconfig
 103
 104     cd /opt/vpp/build-root
 105     ./bootstrap.sh
 106     make V=0 PLATFORM=vpp TAG=vpp install-deb
 107
 108     # Install the VPP package
 109     apt install -y python-ply-lex-3.5 python-ply-yacc-3.5 python-pycparser python-cffi
 110     dpkg -i *.deb
 111     systemctl stop vpp
 112 fi  # endif BUILD_STATE != "done"
 113
 114 if [[ $BUILD_STATE != "build" ]]
 115 then
 116     # Auto-start configuration for the VPP
 117     cat > /etc/vpp/startup.conf << EOF
 118
 119 unix {
 120   nodaemon
 121   log /tmp/vpp.log
 122   full-coredump
 123   cli-listen localhost:5002
 124   startup-config /etc/vpp/setup.gate
 125 }
 126
 127 api-trace {
 128   on
 129 }
 130
 131 api-segment {
 132   gid vpp
 133 }
 134
 135 cpu {
 136         ## In the VPP there is one main thread and optionally the user can create worker(s)
 137         ## The main thread and worker thread(s) can be pinned to CPU core(s) manually or automatically
 138
 139         ## Manual pinning of thread(s) to CPU core(s)
 140
 141         ## Set logical CPU core where main thread runs
 142         # main-core 1
 143
 144         ## Set logical CPU core(s) where worker threads are running
 145         # corelist-workers 2-3,18-19
 146
 147         ## Automatic pinning of thread(s) to CPU core(s)
 148
 149         ## Sets number of CPU core(s) to be skipped (1 ... N-1)
 150         ## Skipped CPU core(s) are not used for pinning main thread and working thread(s).
 151         ## The main thread is automatically pinned to the first available CPU core and worker(s)
 152         ## are pinned to next free CPU core(s) after core assigned to main thread
 153         # skip-cores 4
 154
 155         ## Specify a number of workers to be created
 156         ## Workers are pinned to N consecutive CPU cores while skipping "skip-cores" CPU core(s)
 157         ## and main thread's CPU core
 158         # workers 2
 159
 160         ## Set scheduling policy and priority of main and worker threads
 161
 162         ## Scheduling policy options are: other (SCHED_OTHER), batch (SCHED_BATCH)
 163         ## idle (SCHED_IDLE), fifo (SCHED_FIFO), rr (SCHED_RR)
 164         # scheduler-policy fifo
 165
 166         ## Scheduling priority is used only for "real-time policies (fifo and rr),
 167         ## and has to be in the range of priorities supported for a particular policy
 168         # scheduler-priority 50
 169 }
 170
 171 # dpdk {
 172         ## Change default settings for all intefaces
 173         # dev default {
 174                 ## Number of receive queues, enables RSS
 175                 ## Default is 1
 176                 # num-rx-queues 3
 177
 178                 ## Number of transmit queues, Default is equal
 179                 ## to number of worker threads or 1 if no workers treads
 180                 # num-tx-queues 3
 181
 182                 ## Number of descriptors in transmit and receive rings
 183                 ## increasing or reducing number can impact performance
 184                 ## Default is 1024 for both rx and tx
 185                 # num-rx-desc 512
 186                 # num-tx-desc 512
 187
 188                 ## VLAN strip offload mode for interface
 189                 ## Default is off
 190                 # vlan-strip-offload on
 191         # }
 192
 193         ## Whitelist specific interface by specifying PCI address
 194         # dev 0000:02:00.0
 195
 196         ## Whitelist specific interface by specifying PCI address and in
 197         ## addition specify custom parameters for this interface
 198         # dev 0000:02:00.1 {
 199         #       num-rx-queues 2
 200         # }
 201
 202         ## Change UIO driver used by VPP, Options are: igb_uio, vfio-pci
 203         ## and uio_pci_generic (default)
 204         # uio-driver vfio-pci
 205
 206         ## Disable mutli-segment buffers, improves performance but
 207         ## disables Jumbo MTU support
 208         # no-multi-seg
 209
 210         ## Increase number of buffers allocated, needed only in scenarios with
 211         ## large number of interfaces and worker threads. Value is per CPU socket.
 212         ## Default is 16384
 213         # num-mbufs 128000
 214
 215         ## Change hugepages allocation per-socket, needed only if there is need for
 216         ## larger number of mbufs. Default is 256M on each detected CPU socket
 217         # socket-mem 2048,2048
 218 # }
 219
 220 EOF
 221
 222     # Get list of network device PCI bus addresses
 223     get_nic_pci_list() {
 224         while read -r line ; do
 225             if [ "$line" != "${line#*network device}" ]; then
 226                 echo -n "${line%% *} "
 227             fi
 228         done < <(lspci)
 229     }
 230
 231     NICS=$(get_nic_pci_list)
 232     NICS=`echo ${NICS} | sed 's/[0]\+\([0-9]\)/\1/g' | sed 's/[.:]/\//g'`
 233
 234     BNG_MUX_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 2`  # second interface in list
 235     MUX_GW_NIC=GigabitEthernet`echo ${NICS} | cut -d " " -f 4`   # fourth interface in list
 236
 237     cat > /etc/vpp/setup.gate << EOF
 238 set int state ${BNG_MUX_NIC} up
 239 set int ip address ${BNG_MUX_NIC} ${MUX_TO_BNG_IP}/${BNG_MUX_CIDR#*/}
 240
 241 set int state ${MUX_GW_NIC} up
 242 set int ip address ${MUX_GW_NIC} ${MUX_GW_IP}/${MUX_GW_CIDR#*/}
 243 ip route add ${BRG_BNG_CIDR} via ${BNG_TO_MUX_IP} ${BNG_MUX_NIC}
 244 EOF
 245
 246 fi  # endif BUILD_STATE != "build"
 247
 248 if [[ $BUILD_STATE != "done" ]]
 249 then
 250     # Download and install HC2VPP from source
 251     cd /opt
 252     git clone ${HC2VPP_SOURCE_REPO_URL} -b ${HC2VPP_SOURCE_REPO_BRANCH} hc2vpp
 253     wget -O Hc2vpp-Add-VES-agent-for-vG-MUX.patch ${HC2VPP_PATCH_URL}
 254
 255     apt-get install -y maven
 256     mkdir -p ~/.m2
 257     cat > ~/.m2/settings.xml << EOF
 258 <?xml version="1.0" encoding="UTF-8"?>
 259 <!-- vi: set et smarttab sw=2 tabstop=2: -->
 260 <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
 261   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 262   xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
 263
 264   <profiles>
 265     <profile>
 266       <id>fd.io-release</id>
 267       <repositories>
 268         <repository>
 269           <id>fd.io-mirror</id>
 270           <name>fd.io-mirror</name>
 271           <url>https://nexus.fd.io/content/groups/public/</url>
 272           <releases>
 273             <enabled>true</enabled>
 274             <updatePolicy>never</updatePolicy>
 275           </releases>
 276           <snapshots>
 277             <enabled>false</enabled>
 278           </snapshots>
 279         </repository>
 280       </repositories>
 281       <pluginRepositories>
 282         <pluginRepository>
 283           <id>fd.io-mirror</id>
 284           <name>fd.io-mirror</name>
 285           <url>https://nexus.fd.io/content/repositories/public/</url>
 286           <releases>
 287             <enabled>true</enabled>
 288             <updatePolicy>never</updatePolicy>
 289           </releases>
 290           <snapshots>
 291             <enabled>false</enabled>
 292           </snapshots>
 293         </pluginRepository>
 294       </pluginRepositories>
 295     </profile>
 296
 297     <profile>
 298       <id>fd.io-snapshots</id>
 299       <repositories>
 300         <repository>
 301           <id>fd.io-snapshot</id>
 302           <name>fd.io-snapshot</name>
 303           <url>https://nexus.fd.io/content/repositories/fd.io.snapshot/</url>
 304           <releases>
 305             <enabled>false</enabled>
 306           </releases>
 307           <snapshots>
 308             <enabled>true</enabled>
 309           </snapshots>
 310         </repository>
 311       </repositories>
 312       <pluginRepositories>
 313         <pluginRepository>
 314           <id>fd.io-snapshot</id>
 315           <name>fd.io-snapshot</name>
 316           <url>https://nexus.fd.io/content/repositories/fd.io.snapshot/</url>
 317           <releases>
 318             <enabled>false</enabled>
 319           </releases>
 320           <snapshots>
 321             <enabled>true</enabled>
 322           </snapshots>
 323         </pluginRepository>
 324       </pluginRepositories>
 325     </profile>
 326     <profile>
 327       <id>opendaylight-snapshots</id>
 328       <repositories>
 329         <repository>
 330           <id>opendaylight-snapshot</id>
 331           <name>opendaylight-snapshot</name>
 332           <url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url>
 333           <releases>
 334             <enabled>false</enabled>
 335           </releases>
 336           <snapshots>
 337             <enabled>true</enabled>
 338           </snapshots>
 339         </repository>
 340       </repositories>
 341       <pluginRepositories>
 342         <pluginRepository>
 343           <id>opendaylight-shapshot</id>
 344           <name>opendaylight-snapshot</name>
 345           <url>https://nexus.opendaylight.org/content/repositories/opendaylight.snapshot/</url>
 346           <releases>
 347             <enabled>false</enabled>
 348           </releases>
 349           <snapshots>
 350             <enabled>true</enabled>
 351           </snapshots>
 352         </pluginRepository>
 353       </pluginRepositories>
 354     </profile>
 355   </profiles>
 356
 357   <activeProfiles>
 358     <activeProfile>fd.io-release</activeProfile>
 359     <activeProfile>fd.io-snapshots</activeProfile>
 360     <activeProfile>opendaylight-snapshots</activeProfile>
 361   </activeProfiles>
 362 </settings>
 363 EOF
 364
 365     cd hc2vpp
 366     patch -p1 < ../Hc2vpp-Add-VES-agent-for-vG-MUX.patch
 367     p_version_snap=$(cat ves/ves-impl/pom.xml | grep -A 1 "jvpp-ves" | tail -1)
 368     p_version_snap=$(echo "${p_version_snap%<*}")
 369     p_version_snap=$(echo "${p_version_snap#*>}")
 370     p_version=$(echo "${p_version_snap%-*}")
 371     mkdir -p  ~/.m2/repository/io/fd/vpp/jvpp-ves/${p_version_snap}
 372     mvn install:install-file -Dfile=/usr/share/java/jvpp-ves-${p_version}.jar -DgroupId=io.fd.vpp -DartifactId=jvpp-ves -Dversion=${p_version_snap} -Dpackaging=jar
 373     mvn clean install -nsu -DskipTests=true
 374     l_version=$(cat pom.xml | grep "<version>" | head -1)
 375     l_version=$(echo "${l_version%<*}")
 376     l_version=$(echo "${l_version#*>}")
 377     mv vpp-integration/minimal-distribution/target/vpp-integration-distribution-${l_version}-hc/vpp-integration-distribution-${l_version} /opt/honeycomb
 378     sed -i 's/127.0.0.1/0.0.0.0/g' /opt/honeycomb/config/honeycomb.json
 379
 380     # Disable automatic upgrades
 381     if [[ $CLOUD_ENV != "rackspace" ]]
 382     then
 383         echo "APT::Periodic::Unattended-Upgrade \"0\";" >> /etc/apt/apt.conf.d/10periodic
 384         sed -i 's/\(APT::Periodic::Unattended-Upgrade\) "1"/\1 "0"/' /etc/apt/apt.conf.d/20auto-upgrades
 385     fi
 386 fi  # endif BUILD_STATE != "done"
 387
 388 if [[ $BUILD_STATE != "build" ]]
 389 then
 390     # Create systemctl service for Honeycomb
 391     cat > /etc/systemd/system/honeycomb.service << EOF
 392 [Unit]
 393 Description=Honeycomb Agent for the VPP control plane
 394 Documentation=https://wiki.fd.io/view/Honeycomb
 395 Requires=vpp.service
 396 After=vpp.service
 397
 398 [Service]
 399 ExecStart=/opt/honeycomb/honeycomb
 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 a systemd service for auto-save
 409     cat > /usr/bin/save_config << EOF
 410 #!/bin/bash
 411
 412 #########################################################################
 413 #
 414 #  Copyright (c) 2017 Intel and/or its affiliates.
 415 #
 416 #  Licensed under the Apache License, Version 2.0 (the "License");
 417 #  you may not use this file except in compliance with the License.
 418 #  You may obtain a copy of the License at:
 419 #
 420 #      http://www.apache.org/licenses/LICENSE-2.0
 421 #
 422 #  Unless required by applicable law or agreed to in writing, software
 423 #  distributed under the License is distributed on an "AS IS" BASIS,
 424 #  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 425 #  See the License for the specific language governing permissions and
 426 #  limitations under the License.
 427 #
 428 ##########################################################################
 429
 430 ############################### Variables ################################
 431 VPP_SETUP_GATE=/etc/vpp/setup.gate
 432
 433 ############################### Functions ################################
 434
 435 # Write the commands to the startup scripts.
 436 #
 437 # We could set VPP configuration to the startup.conf.
 438 # Write the configuration to the startup scripts so we could
 439 # restore the system after rebooting.
 440 #
 441 write_startup_scripts()
 442 {
 443         local cmd=\${2}
 444         local is_add=\${1}
 445
 446         if [[ \${is_add} == add ]] ;then
 447                 while read -r line
 448                 do
 449                         if [[ \${line} == \${cmd} ]] ;then
 450                                 return 0
 451                         fi
 452                 done < \${VPP_SETUP_GATE}
 453
 454                 echo "\${cmd}" >> \${VPP_SETUP_GATE}
 455         else
 456                 while read -r line
 457                 do
 458                         if [[ \${line} == \${cmd} ]] ;then
 459                                 sed -i "/\${line}/d" \${VPP_SETUP_GATE}
 460                                 return 0
 461                         fi
 462                 done < \${VPP_SETUP_GATE}
 463         fi
 464 }
 465
 466 # Saves the VES agent configuration to the startup script.
 467 #
 468 # Get the current VES agent configuration from the bash command:
 469 # \$vppctl show ves agent
 470 #    Server Addr    Server Port Interval Enabled
 471 #    127.0.0.1        8080         10    True
 472 # Set the VES agent configuration with the bash command:
 473 # \$vppctl set ves agent server 127.0.0.1 port 8080 intval 10
 474 #
 475 save_ves_config()
 476 {
 477         local server=""
 478         local port=""
 479         local intval=""
 480
 481         local ves_config=\`vppctl show ves agent | head -2 | tail -1\`
 482         if [ "\${ves_config}" != "" ] ;then
 483                 server=\`echo \${ves_config} | awk '{ print \$1 }'\`
 484                 port=\`echo \${ves_config} | awk '{ print \$2 }'\`
 485                 intval=\`echo \${ves_config} | awk '{ print \$3 }'\`
 486                 write_startup_scripts add "set ves agent server \${server} port \${port} intval \${intval}"
 487         fi
 488 }
 489
 490 # Save the VxLAN Tunnel Configuration to the startup script.
 491 #
 492 # Get the current VxLAN tunnel configuration with bash command:
 493 # \$vppctl show vxlan tunnel
 494 #  [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
 495 #  [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
 496 # Set the VxLAN Tunnel with the bash command:
 497 # \$vppctl create vxlan tunnel src 10.3.0.2 dst 10.1.0.20 vni 100
 498 # vxlan_tunnel0
 499 save_vxlan_tunnel()
 500 {
 501         local src=""
 502         local dst=""
 503         local vni=""
 504
 505         vppctl show vxlan tunnel | while read line
 506         do
 507                 if [ "\${line}" != "" ] ;then
 508                         src=\`echo \${line} | awk '{ print \$3 }'\`
 509                         dst=\`echo \${line} | awk '{ print \$5 }'\`
 510                         vni=\`echo \${line} | awk '{ print \$7 }'\`
 511
 512                         write_startup_scripts add "create vxlan tunnel src \${src} dst \${dst} vni \${vni}"
 513                 fi
 514         done
 515 }
 516
 517 # Save the VxLAN tunnel L2 xconnect configuration to the startup script.
 518 #
 519 # Get the Current L2 Address configuration with bash command:
 520 # \$vppctl show int addr
 521 # local0 (dn):
 522 # vxlan_tunnel0 (up):
 523 #   l2 xconnect vxlan_tunnel1
 524 # vxlan_tunnel1 (up):
 525 #   l2 xconnect vxlan_tunnel0
 526 # Save the VxLAN tunnel L2 xconnect configuration with bash command:
 527 # \$vppctl set interface l2 xconnect vxlan_tunnel0 vxlan_tunnel1
 528 #
 529 save_vxlan_xconnect()
 530 {
 531         local ingress=""
 532         local egress=""
 533
 534         vppctl show int addr | while read line
 535         do
 536                 if [[ \${line} == vxlan_tunnel* ]] ;then
 537                         read next
 538                         while [[ \${next} != l2* ]] || [[ \${next} == "" ]]
 539                         do
 540                                 line=\`echo \${next}\`
 541                                 read next
 542                         done
 543                         if [[ \${next} == l2* ]] ;then
 544                                 ingress=\`echo \${line} | awk '{ print \$1 }'\`
 545                                 egress=\`echo \${next} | awk '{ print \$3 }'\`
 546                                 write_startup_scripts add "set interface l2 xconnect \${ingress} \${egress}"
 547                         fi
 548                 fi
 549         done
 550 }
 551
 552 ################################# MAIN ###################################
 553
 554 save_ves_config
 555
 556 save_vxlan_tunnel
 557
 558 save_vxlan_xconnect
 559
 560 EOF
 561     chmod a+x /usr/bin/save_config
 562     cat > /etc/systemd/system/autosave.service << EOF
 563 [Unit]
 564 Description=Run Scripts at Start and Stop
 565 Requires=vpp.service
 566 After=vpp.service
 567
 568 [Service]
 569 Type=oneshot
 570 RemainAfterExit=true
 571 ExecStop=/usr/bin/save_config
 572
 573 [Install]
 574 WantedBy=multi-user.target
 575 EOF
 576     systemctl enable /etc/systemd/system/autosave.service
 577
 578     # Download DHCP config files
 579     cd /opt
 580     wget $REPO_URL_BLOB/org.onap.demo/vnfs/vcpe/$INSTALL_SCRIPT_VERSION/v_gmux_init.sh
 581     wget $REPO_URL_BLOB/org.onap.demo/vnfs/vcpe/$INSTALL_SCRIPT_VERSION/v_gmux.sh
 582     chmod +x v_gmux_init.sh
 583     chmod +x v_gmux.sh
 584     mv v_gmux.sh /etc/init.d
 585     update-rc.d v_gmux.sh defaults
 586
 587     # Rename network interface in openstack Ubuntu 16.04 images. Then, reboot the VM to pick up changes
 588     if [[ $CLOUD_ENV != "rackspace" ]]
 589     then
 590         sed -i "s/GRUB_CMDLINE_LINUX=.*/GRUB_CMDLINE_LINUX=\"net.ifnames=0 biosdevname=0\"/g" /etc/default/grub
 591         grub-mkconfig -o /boot/grub/grub.cfg
 592         sed -i "s/ens[0-9]*/eth0/g" /etc/network/interfaces.d/*.cfg
 593         sed -i "s/ens[0-9]*/eth0/g" /etc/udev/rules.d/70-persistent-net.rules
 594         echo 'network: {config: disabled}' >> /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg
 595         reboot
 596     fi
 597
 598     ./v_gmux_init.sh
 599 fi  # endif BUILD_STATE != "build"