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OpenStack Integration with OpenContrail and OpenDaylight
- 1. The Pain, the Gain and the Lessons Learned installation > integration > configuration > walkthrough
- 2. Agenda • General • Introductions and Credits • What is SDN • Benefits of SDN • Popular SDN Controllers • Industry Trends • Lab Deployment Demo
- 3. General What to Expect: This is a tutorial-style presentation for beginners No focus on specific features of any SDN Controller Focus on integration with DevStack Assumptions: Basic understanding of OpenStack Out of scope: Vendor specifics Protocol details (we won’t go into OpenFlow and other protocols) Avoid discussions about why SDN or which controller is the best Disclaimer: We work for Ericsson but we are here as enthusiastic members of OpenStack community and die-hard believers of development and collaboration in and via open source
- 4. Konstantin Komaristy Syed Moneeb Javed Special thanks to: Tim Irnich and Francois Lemarchand of Ericsson, who have much more subject knowledge Introductions and Credits
- 5. What is SDN The Open Networking Forum (ONF) defines SDN as follows: “Software-Defined Networking (SDN) is an emerging architecture that is dynamic, manageable, cost- effective, adaptable, making it ideal for the high- bandwidth, dynamic nature of today's applications. This architecture decouples the network control and forwarding functions enabling the network control to become directly programmable and the underlying infrastructure to be abstracted for applications and network services. The OpenFlow protocol is a foundational element for building SDN solutions.”
- 6. Traditional Networks • Hardware-oriented • Static in nature • Configured manually • Distributed control plane lacks scale • Management plane can use proprietary implementations
- 8. Benefits of SDN • Centralized management and control planes • Control and data plane can scale independently • Improved interoperability • Programmability of network devices • Ability to use commodity hardware • Facilitate migration to software-based networking • Enables adoption of scalable and dynamic applications
- 9. Popular SDN Controllers There are many SDN Controllers https://www.sdxcentral.com/sdn/definitions/sdn-controllers/sdn- controllers-comprehensive-list/ One very familiar to us is Neutron Today we discuss: o OpenContrail o OpenDaylight
- 10. Our Mini Lab Intel NUC5i5RYK 4 CPU, 16 GB RAM, 250 GB M.2 SSD Ubuntu 17.04 Server 64-bit basic system tools virtualization host ssh server x11-apps virt-manager edit /etc/default/grub GRUB_CMDLINE_LINUX="intel_iommu=on" update-grub reboot cat /sys/module/kvm_intel/parameters/nested Y modinfo kvm_intel | grep nested parm: nested:bool
- 13. Reference: Software-Defined Networking (SDN) WITH OpenStack OpenContrail Control Flows
- 14. Installation Ubuntu 14.04.4 LTS Server 64-bit AMD 15 GB RAM, 4 CPU, 70 GB disk minimal install, ssh server vi /etc/default/grub GRUB_CMDLINE_LINUX="intel_iommu=on kvm-intel.nested=1" update-grub reboot cat /proc/cmdline BOOT_IMAGE= ... ro intel_iommu=on kvm-intel.nested=1 virt-host-validate QEMU: Checking for hardware virtualization : WARN (Only emulated CPUs are available, performance will be significantly limited) QEMU: Checking for device /dev/vhost-net : PASS QEMU: Checking for device /dev/net/tun : PASS LXC: Checking for Linux >= 2.6.26 : PASS
- 15. Installation apt-get -y purge isc-dhcp-client isc-dhcp-common resolvconf rm /etc/resolv.conf vi /etc/resolv.conf nameserver 192.168.1.1 search 192.168.1.1 apt-get -y install git git clone https://github.com/Juniper/contrail-installer.git git clone https://github.com/openstack-dev/devstack -b stable/mitaka export CONTRAIL_DIR=/home/ubuntu/contrail-installer export DEVSTACK_DIR=/home/ubuntu/devstack cd contrail-installer cp samples/localrc-all localrc edit localrc CONTRAIL_REPO_PROTO=https # uncomment NB_JOBS=4 # set to number of CPU available MULTI_TENANCY=True # add Reference: https://github.com/Juniper/contrail-installer
- 16. Build OpenContrail ./contrail.sh build # 1 hour 12 minutes ./contrail.sh install # 29 minutes ./contrail.sh configure # fast ./contrail.sh start # fast
- 17. Build DevStack cd ~/devstack cp ~/contrail-installer/devstack/lib/neutron_plugins/opencontrail lib/neutron_plugins/. cp ~/contrail-installer/devstack/samples/localrc-all localrc edit localrc: HOST_IP=192.168.1.129 # set to match PHYSICAL_INTERFACE=eth0 # set to match MULTI_TENANCY=True # add disable_service c-sch # add disable_service c-api # add disable_service c-vol # add disable_service tempest # add ./stack.sh # after 30 sec, error: “packages have unmet dependencies” sudo apt-get -f install # force ./stack.sh # after 20 min, error: “object has no attribute '__version__' ” edit line 29 in file /usr/local/lib/python2.7/dist-packages/openstack/session.py from: DEFAULT_USER_AGENT = "openstacksdk/%s" % openstack.__version__ to: DEFAULT_USER_AGENT = "openstacksdk/%s" % openstack
- 18. Build DevStack ./unstack.sh # 15 sec ./stack.sh # after 30 min got error “550 Failure creating NET_ID for private” cd ~/contrail-installer ./contrail.sh stop # 1 min sudo reboot cd ~/contrail-installer ./contrail.sh start cd /opt/stack/noVNC git checkout v0.6.0 git branch * (detached from v0.6.0) master cd ~/devstack ./stack.sh # 8 min
- 20. OpenContrail GUI
- 21. And then there is ODL …
- 22. OpenDaylight Architecture Overview • Microservices based architecture • Platform Independent • At parity with Neutron Reference Implementation in OpenStack Reference: *opendaylight.org
- 23. OpenDaylight Architecture Overview Reference: http://5g-crosshaul.eu/wp-content/uploads/2016/10/UC3M_5tonic_SdnOdlDay_19Oct2016.pdf
- 25. Reference: Isaku Yamahata -- https://www.youtube.com/watch?v=I1OP8OSYb2c
- 26. Installation Ubuntu 17.04 LTS Server 64-bit AMD 15 GB RAM, 4 CPU, 40 GB disk minimal install, ssh server apt-get -y purge isc-dhcp-client isc-dhcp-common resolvconf rm /etc/resolv.conf vi /etc/resolv.conf nameserver 192.168.1.1 search 192.168.1.1 apt-get -y install git sudo useradd -s /bin/bash -d /opt/stack -m stack sudo echo "stack ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers sudo su - stack git clone https://git.openstack.org/openstack-dev/devstack cd devstack/ cp samples/local.conf .
- 27. Installation edit local.conf as described here: https://github.com/openstack/networking-odl/blob/master/devstack/README.rst set to match: HOST_IP=192.168.1.65 FLAT_INTERFACE=ens3 ODL_PROVIDER_MAPPINGS=${ODL_PROVIDER_MAPPINGS:-br-ex:ens8} FLOATING_RANGE=192.168.1.96/27 PUBLIC_NETWORK_GATEWAY=192.168.1.65 pay attention to: ODL_RELEASE=boron-0.5.3-SR3 ODL_NETVIRT_KARAF_FEATURE=odl-neutron-service,odl-restconf-all ODL_NETVIRT_KARAF_FEATURE+=,odl-aaa-authn,odl-dlux-all ODL_NETVIRT_KARAF_FEATURE+=,odl-mdsal-apidocs,odl-l2switch-all ODL_NETVIRT_KARAF_FEATURE+=,odl-netvirt-openstack ODL_NETVIRT_KARAF_FEATURE+=,odl-neutron-logger ODL_BOOT_WAIT_URL=restconf/operational/network-topology:network-topology/ enable_service (one per line): dstat g-api g-reg key mysql n-api n-cond n-cpu n-crt n-novnc n-sch placement-api placement-client q-dhcp q-meta q-svc rabbit tempest disable_service (one per line): c-api c-vol c-sch
- 28. Installation ./stack.sh # 20 min ========================= DevStack Component Timing ========================= Total runtime 1187 run_process 31 test_with_retry 112 apt-get-update 3 wait_for_service 31 pip_install 167 apt-get 12 ========================= This is your host IP address: 192.168.1.65 Horizon is now available at http://192.168.1.65/dashboard Keystone is serving at http://192.168.1.65/identity/ The default users are: admin and demo The password: nomoresecret DLUX is now available at http://192.168.1.65:8181/index.html The user: admin The password: admin
- 30. DLUX - Topology
- 31. DLUX - Nodes
- 32. DLUX – Yang UI
- 33. DLUX – Yang Visualizer
- 34. Our Mini Lab sudo virsh list --all Id Name State --------------------------------------------------------- 11 odl running 13 devstack_opencontrail running
- 35. Industry Trends
- 38. Other Useful info • Meet the experts at OpenStack Summit • ODL HA (Clustering): http://docs.opendaylight.org/en/latest/getting-started- guide/common-features/clustering.html
- 39. Errors running ./stack.sh run 'apt-get -f install' to correct unmet dependencies AttributeError: 'module' object has no attribute '__version__' Edit line 29 in the file /usr/local/lib/python2.7/dist- packages/openstack/session.py sudo vi /usr/local/lib/python2.7/dist-packages/openstack/session.py From: DEFAULT_USER_AGENT = "openstacksdk/%s" % openstack.__version__ To: DEFAULT_USER_AGENT = "openstacksdk/%s" % openstack And start over: ./unstack.sh ./stack.sh