2023学年完整公开课版72Introductionofneutronservices

IntroductionofneutronservicesPreparationinadvance

Neutronneedstobeinstalledonthebasisofthecompletionofthepreviouscourses,i.e.thepreparationofOpenStackbasicenvironment,theinstallationofkeystonemodule,theinstallationofglancemodule,andtheinstallationofNovamodulearecompleted;thecourseinstallationusestwonodeandtwonetworkcardstoconfiguretheneutronservice,i.e.eth0asthemanagementnetworkandeth1astheexternalnetworkofvirtualmachine.3CreatinganeutrondatabaseHost1#controlscontroller

node

Tocreatetheneutrondatabaseinthecontrollernode,firstenterthedatabasetoexecutethemsqlcommand,andthenenterthedatabasepasswordtoenterthedatabase.

#mysql-uroot-pCreatetheneutrondatabaseandbindthepermissionsettingpassword(thisinstallationdatabasepasswordissetto000000)

mysql>CREATEDATABASEneutron;mysql>GRANTALLPRIVILEGESONneutron.*TO'neutron'@'localhost'IDENTIFIEDBY'000000';mysql>GRANTALLPRIVILEGESONneutron.*TO'neutron'@'%'IDENTIFIEDBY'000000';4Creatingneutronusers,endpoints,andAPIendpointsExecutethefollowingcommandonthecontrollernodetocompletetheoperation:#keystoneuser-create--nameneutron--pass000000#keystoneuser-role-add--userneutron--tenantservice--roleadmin#keystoneservice-create--nameneutron--typenetwork--description"OpenStackNetworking"#keystoneendpoint-create--service-id$(keystoneservice-list|awk'/network/{print$2}')--publicurl"http://controller:9696"--adminurl"http://controller:9696"--internalurl"http://controller:9696"Host1#controlscontroller

node5InstallingthecontrollernodeneutronnetworkcomponentsExecutethefollowingcommandinthecontrollertocompletetheinstallationofthesoftware#yuminstall-yopenstack-neutronopenstack-neutron-ml2python-neutronclientopenstack-neutron-openvswitchHost1#controlscontroller

node6ConfiguredatabaseconnectionExecutethefollowingcommandinthecontrollertocompletethedatabaseconnection#openstack-config--set/etc/neutron/neutron.confdatabaseconnectionmysql://neutron:000000@controller/neutronHost1#controlscontroller

node7ConfigurekeystoneauthenticationinformationModifyneutron.confprofilecincontrollernodetocompletekeystoneauthentication:[DEFAULT]auth_strategy=keystone[keystone_authtoken]auth_uri=http://controller:5000auth_host=controllerauth_protocol=httpauth_port=35357admin_tenant_name=serviceadmin_user=neutronadmin_password=000000Host1#controlscontroller

node8ConfiguremessageagentserviceModifyneutron.confprofileinthecontrollernodetocompleteconfiguration：[DEFAULT]rpc_backend=mon.rpc.impl_qpidqpid_hostname=controllerHost1#controlscontroller

node9ConfigurenetworktopologychangenotificationModifyneutron.confprofileinthecontrollernodetocompleteconfiguration：[DEFAULT]notify_nova_on_port_status_changes=Truenotify_nova_on_port_data_changes=Truenova_url=http://controller:8774/v2nova_admin_username=novanova_admin_tenant_id=a57833b809bc40c9af2570941d4480bdnova_admin_password=000000nova_admin_auth_url=http://controller:35357/v2.0Host1#controlscontroller

node10ModifykernelModifythekernelparametersinthecontrollernodetomaketheLinuxsystemsupporttheroutingandforwardingfunction,andcanceltheinboundandoutboundrulefiltering.Edit

/etc/sysctl.conf

file，Amendthefollowing：net.ipv4.ip_forward=1net.ipv4.conf.all.rp_filter=0net.ipv4.conf.default.rp_filter=0

Effectiveconfiguration#sysctl–pHost1#controlscontroller

node11ConfigurenetworktouseML2plug-inModifyneutron.confconfigurationfileinthecontrollernodetocompletetheneutronserviceusingtheML2plug-in[DEFAULT]core_plugin=ml2service_plugins=routerHost1#controlscontroller

node12Configurethecomputingserviceusingnetwork

Modifyinthecontrollernodenova.confprofiletocompletecomputingserviceusingneutronnetworkservice[DEFAULT]network_api_class=work.neutronv2.api.APIneutron_url=http://controller:9696neutron_auth_strategy=keystoneneutron_admin_tenant_name=serviceneutron_admin_username=neutronneutron_admin_password=000000neutron_admin_auth_url=http://controller:35357/v2.0linuxnet_interface_driver=work.linux_net.LinuxOVSInterfaceDriverfirewall_driver=nova.virt.firewall.NoopFirewallDriversecurity_group_api=neutronvif_plugging_is_fatal=Falsevif_plugging_timeout=10Host1#controlscontroller

node13ConfigureneutronDHCPModifydhcp_agent.iniprofileinthecontrollernode:[DEFAULT]interface_driver=erface.OVSInterfaceDriverdhcp_driver=neutron.agent.linux.dhcp.Dnsmasquse_namespaces=TrueHost1#controlscontroller

node14ConfigureMetadataModifynova.confprofileinthecontrollernode:[DEFAULT]service_neutron_metadata_proxy=trueneutron_metadata_proxy_shared_secret=METADATA_SECRET

Modifycompleteandrestartservice#serviceopenstack-nova-apirestartHost1#controlscontroller

node15CreatebridgerestartserviceExecutethefollowingcommandtocreatebridgebr-int,Br-ex,andrestartrelatedservices#serviceopenvswitchrestart#ovs-vsctladd-brbr-int#ovs-vsctladd-brbr-ex#ovs-vsctladd-portbr-exeth1#ethtool-Keth1grooff#servicenetworkrestartHost1#controlscontroller

node16ControllernodecompletesinstallationandrestartsserviceNowthattheneutronserviceofthecontrollernodehasbeeninstalledandconfigured,executethefollowingcommandtorestarttheneutronserviceeffectiveconfigurationfile.#serviceneutron-openvswitch-agentrestart#serviceneutron-metadat