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Harmonia open iris_basic_v0.1 | PPTX
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Harmonia open iris_basic_v0.1

1. The document discusses OpenStack Neutron and Open vSwitch (OVS), describing their architecture and configuration. It explains that Neutron uses OVS to provide virtual networking and switching capabilities between virtual machines. 2. Key components of the Neutron-OVS architecture include the Neutron server, OVS agents on compute nodes, and the OVS daemon that implements the switch in the kernel and userspace. 3. The document also provides examples of configuring an OVS bridge and ports for virtual networking in OpenStack.

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1 2 3 4 Introduce Architecture OpenStack IRIS Neutron Plugin 5 6 7 IRIS ML2 Mechanism Driver IRIS Virtual Network Module Todo
Introduce Harmonia • 코드네임 : 하르모니아 (Harmonia)  개발 코드 네임  정식 명칭 : IRIS-pNaaS • Harmonia Logo • Harmonia ?  전쟁의 신(아레스)과 미와 사랑의 여신(아프로디테) 사이에서 태어난 그리스 여신으 로 ‘조화’를 의미함  음악 용어인 하모니(Harmony)의 어원  Virtual Network의 조화를 이루고자 하는 의미
Introduce Keywords : SIA (Swift, Inexpensive, Automation) • Swift • Inexpensive • Automation We can create virtual networks, make swift networks and low-price. Don’t worry about! It’s automation.
개념도 VM2 VM3 VM5 VM6 VM1 Tenant A VM4 Tenant B REST API VM2 VM4 VM5 Compute Node Compute Node Network Node Control Node Compute Node Compute Node VM1 VM3 VM6 OpenFlow
OpenStack Concept Architecture http://docs.openstack.org/icehouse/install-guide/install/apt/content/ch_overview.html
Control Node, Network Node, Compute Node http://docs.openstack.org/icehouse/install-guide/install/apt/content/ch_overview.html SDN Controller
구성도 (서버 랙) eth0 eth1 eth2 eth2 eth0 eth0 eth1 eth1 eth0 Data Network Management Network External Network OF Switch eth1 Control Node Network Node Compute Node OpenFlow
구성도 (서버 랙 - 실사) Control Node Management Network Hub - OS : Ubuntu 14.04 , Fedora, etc… - OVS : version 2.0 이상 * 주의 : Linux Kernel 과 dependency - 네트워크 인터페이스 : 2 * eth0 : Management Network (사설 IP) * eth1 : 외부망 연동 (공인 IP) Network Node - OS : Ubuntu 14.04 , Fedora, etc… - OVS : version 2.0 이상 * 주의 : Linux Kernel 과 dependency - 네트워크 인터페이스 : 3 이상 * eth0 : Management Network (사설 IP) * eth1 : Data Network (사설 IP) * eth2 : 외부망 연동 (공인 IP) Compute Node - OS : Ubuntu 14.04 , Fedora, etc… - OVS : version 2.0 이상 * 주의 : Linux Kernel 과 dependency - 네트워크 인터페이스 : 3 이상 * eth0 : Management Network (사설 IP) * eth1 : Data Network (사설 IP) * eth2 : 외부망 연동 (공인 IP) ① ② ③ ① ② ③ Control Node Network Node Compute Node Compute Node Compute Node Compute Node Compute Node Compute Node Compute Node OpenFlow Hub Switch Management Network (일반 Hub) Data Network (OpenFlow SW) + SDN Controller Data Network Switch (OpenFlow SW) - OF Switch, OVS, OpenWRT, … - Connect SDN Controller
Overview & Features Overview • A virtual switch or Virtual Ethernet Bridge (VEB) • A key component of networking for virtualized computing • User-space : configuration, control • Kernel-space : datapath (include in main Linux kernel since version 3.3) • Cisco Nexus 1000v, VMware vDS, IBM DVS 5000v, MS Hyper-V vSwitch Features • Visibility into inter-VM communication via NetFlow, sFlow®, IPFIX, SPAN, LACP (IEEE 802.1AX-2008) • Standard 802.1Q VLAN model with trunking • STP (IEEE 802.1D-1998), Fine-grained QoS control • NIC bonding with source-MAC load balancing, active backup, and L4 hashing • OpenFlow protocol support (including many extensions for virtualization) • Multiple tunneling protocols (VXLAN, Ethernet over GRE, CAPWAP, Ipsec, GRE over Ipsec)
Open vSwitch Architecture ovs-vsctl ovsdb-client ovs-appctl ovs-dpctl ovs-brcompatd ovs-vswitchd brcompat.ko openvswitch.ko Kernel Datapath (Fast Path) Kernel space user space ovsdb-server Netlink tap Remote Open vSwitch db OpenFlow Controller ovs-ofctl VM vNIC OVS Management (JSON RPC) OpenFlow
Open vSwitch Architecture br-ovs VM VM vNIC vNIC vnet0 tap2 vnet1 Packet flows eth0 tap1 Port Flow Table Bridge Interface bond0 eth2 eth1 eth2
Open vSwitch Architecture ovs-vswitchd • a daemon that implements the switch, along with a companion Linux kernel module for flow-based switching ovsdb-server • a lightweight database server that ovs-vswitchd queries to obtain configuration ovs-vsctl • a utility for querying and updating the configuration of ovs-vswitchd ovs-dpctl • a tool for configuring and monitoring the switch kernel module ovs-appctl • a utility that sends commands to running Open vSwitch daemons (ovs-vswitchd) ovs-controller • a simple OpenFlow controller reference implementation brocompat.ko • Linux bridge compatibility module openvswitch.ko • Open vSwitch switching datapath
Open vSwitch Configuration Table Purpose Open_vSwitch Open vSwitch configuration Bridge Bridge configuration Port Port configuration Interface One physical network device in a Port QoS Quality of Service configuration Queue QoS output queue Mirror Port mirroring Controller OpenFlow controller configuration Manager OVSDB management connection NetFlow NetFlow configuration SSL SSL configuration sFlow sFlow configuration Capability Capability configuration
Open vSwitch Configuration sample $ sudo ovs-vsctl show 225d73cc-15b3-4db5-9b45-e783f7c49a10 Bridge br-tun Port "gre-3" Interface "gre-3" type: gre options: {in_key=flow, out_key=flow, remote_ip="192.168.0.10"} Port br-tun Interface br-tun type: internal Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Bridge br-int Port "tap1" tag: 1 Interface "tap1" Port "tap2" tag: 1 Interface "tap2" Port br-int Interface br-int type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int}
Open vSwitch Configuration sample Linux Networking Stack VM VM vNIC vNIC br-int Eth0 tap1 External IP gre3 Eth2 192.168.10.20 Eth1 192.168.0.20 tap2 br-tun patch-tun patch-int GRE Tunnel 192.168.0.10
Open vSwitch Demo Switch eth0 VM VM vNIC vNIC tap1 tap2 OpenvSwitch Bridge eth1 VM VM vNIC vNIC gre-1 OpenvSwitch Bridge Switch tap1 eth1 tap2 eth0 GRE tunnel gre-1 External network Tunneling network 192.168.0.0/24
Virtual Network - OpenStack Control Node Nova Keystone Glance Horizon eth1 eth0 External network eth2 eth0 Network Node Neutron Server Neutron L3-Agent eth1 Management network 192.168.0.0/24 eth2 Compute Node 01 eth1 eth0 eth2 Compute Node 02 eth1 eth0 eth2 Neutron Agent Neutron OpenvSwitch Plug-in Nova Compute Neutron Agent Neutron OpenvSwitch Plug-in Nova Compute Data network 192.168.10.0/24
eth0 Network Node br-ex qg~~ br-int qr~~ eth1 gre-1 eth0 Compute Node 01 tap1 eth1 tap2 VM VM GRE tunnel gre-1 Virtual Network - OpenStack tap~~ br-tun gre-2 gre-2 br-tun br-int Tunnel <-> Compute Node 02 • qg~~ : external gateway interface • qr~~ : virtual router interface • tap~~ : network service interface (DHCP, DNS, …)
Overview & Features Overview • A virtual switch or Virtual Ethernet Bridge (VEB) • A key component of networking for virtualized computing • User-space : configuration, control • Kernel-space : datapath (include in main Linux kernel since version 3.3) • Cisco Nexus 1000v, VMware vDS, IBM DVS 5000v, MS Hyper-V vSwitch Features • Visibility into inter-VM communication via NetFlow, sFlow®, IPFIX, SPAN, LACP (IEEE 802.1AX-2008) • Standard 802.1Q VLAN model with trunking • STP (IEEE 802.1D-1998), Fine-grained QoS control • NIC bonding with source-MAC load balancing, active backup, and L4 hashing • OpenFlow protocol support (including many extensions for virtualization) • Multiple tunneling protocols (VXLAN, Ethernet over GRE, CAPWAP, Ipsec, GRE over Ipsec)
Layer Diagram Core REST API Extension A REST API Extension … REST API Extension N REST API Auth N / Auth Z / Input Validation/Output view Core Plugin Interface Service A Plugin Interface Service … Plugin Interface Service N Plugin Interface Core Plugin (Vendor specific) Service A Plugin Service N Plugin Agents
Application and filters [composite:neutron] use = egg:Paste#urlmap /: neutronversions /v2.0: neutronapi_v2_0 [composite:neutronapi_v2_0] use = call:neutron.auth:pipeline_factory keystone = authtoken keystonecontext extensions neutronapiapp_v2_0 [filter:keystonecontext] paste.filter_factory = neutron.auth:NeutronKeystoneContext.factory [filter:authtoken] paste.filter_factory = keystoneclient.middleware.auth_token:filter_factory [filter:extensions] paste.filter_factory = neutron.api.extensions:plugin_aware_extension_middleware_factory [app:neutronversions] paste.app_factory = neutron.api.versions:Versions.factory [app:neutronapiapp_v2_0] paste.app_factory = neutron.api.v2.router:APIRouter.factory
neutron/server/__init__.py: main() config.parse(sys.argv[1:]) # --config-file neutron.conf --config-file XXXXX.ini neutron/common/config.py def load_paste_app(app_name) # Name of the application to load ex) def load_paste_app(“neutron”) • neutron/auth.py def pipeline_factory(loader, global_conf, **local_conf): • neutron/api/v2/router.py class APIRouter(wsgi.router): def factory(cls, global_config, **local_config): • neutron/api/extensions.py def plugin_aware_extension_middleware_factory(global_config, **local_config): neutron/auth.py class NeutronKeystoneContext(wsgi.Middleware):
pipeline URL request authtoken keystonecontext extensions URL is declared here? Process Response neutronapiapp_v2_0 URL is declared here? Process No No, return HTTPNotFound
neutron/api/v2/router.py : APIRouter.factory() 1. __init__() 1.1 plugin = manager.NeutronManager.get_plugin( ) 1.1.1 neutron/manager.py : __init__( ) 1.1.1.1 def _create_instance( ) #create core plugin instance 1.1.1.2 def _load_service_plugins( ) #load plugin service load plugins neutron/neutron.conf service_plugins = … core_plugin = ml2 NeutronManager : service_plugins = {“CORE”: ml2, “LOADBALANCER”: xxx, …}
What are plugins & extensions extensions are about resources and the actions on them • neutron/plugins/cisco|vmware|nuage/extensions/xxx.py @classmethod def get_resources(cls): for resource_name in [‘router’, ‘floatingip’]: … controller = base.create_resource (collection_name, resource_name, plugin…) ex = ResourceExtension(collection_name, controller, member_actions…) Plugins are used to support the resources • neutron/services/l3_router/l3_router_plugin.py • neutron/plugins/bigswitch/plugin.py supported_extension_aliases = [“router”, “ext-gw-mode”, “extraroute”, “l3_agent_scheduler”] • neutron/extensions/l3.py • neutron/plugins/bigswitch/plugin.py def update_router(self, context, id, router): • neutron/extensions/l3.py • neutron/plugins/bigswitch/routerrule_db.py def get_router(self, context, id, fields=None):
neutronapiapp_v2_0: load extensions neutron/api/v2/router.py: APIRouter.factory() • __init__( ) 1.1 plugin = manager.NeutronManager.get_plugin() 1.2 ext_mgr = extensions.PluginAwareExtensionManager.get_instance() 1.2.1 neutron/api/extensions.py : def get_extensions_path() 1.2.2 neutron/api/extensions.py : class PluginAwareExtensionManager(ExtensionManager): __init__(paths, plugins) 1.2.2.1 neutron/api/extensions.py : def _load_all_extensions(self): self._load_all_extensions_from_path(path) 1.2.2.2 neutron/api/extensions.py : def _load_all_extensions(self, path): … self.add_extension(new_ext) 1.2.2.3 neutron/api/extensions.py : def add_extension(self, ext): … self._check_extension(ext): neutron standard extension plus ones specified by api_extension_path= in neutron.conf check each python module name under the path, and capitalize the first letter of the module name to find the class in it, excluding the modules starting with “_”. 1. 각 플러그인 마다 체크 (supported_extension_aliases) 2. check if the potential extension has implemented the needed functions. 3. check if one of plugins supports it. plugin’s supported_extension_aliases attribute defines what extensions it supports.
neutronapiapp_v2_0: install core resource neutron/api/v2/router.py: APIRouter.factory() • __init__( ) 1.1 plugin = manager.NeutronManager.get_plugin() 1.2 ext_mgr = extensions.PluginAwareExtensionManager.get_instance() 1.3 install core resources 1.3.1 neutron/api/v2/router.py RESOURCES = {‘network’: ‘networks’, ‘subnet’: ‘subnets’, ‘port’: ‘ports’}
extension filter: assemble extensions neutron/api/extension.py • def plugin_aware_extension_middleware_factory(global_config, **local_config) 1.1 def _factory(app): ext_mgr = PluginAwareExtensionManager.get_instance() return ExtensionMiddleware(app, ext_mgr=ext_mgr) :ExtensionMiddleware :PluginAwareExtensionManager :ExtensionDescriptor 1. __init__(application, ext_mgr) 1.1 get_resource() [for each extension] 1.1.1 get_resources() Loop 1.2 install route objects
URL processing (1/2) Resource:Resource :TextDeserializer :DictSerializer :Control Node 1: HTTP URL 1.1: __init__ 1.2: deserialize (data string) 1.3: getattr (action) 1.4: create | update | show | index | delete 1.5: serialize (data)
URL processing (2/2) :Control Node 1.4: create | update | show | index | delete plugin:Plugin 1.4.1: calculate Plugin handler (action) 1.4.2: authz/input validation 1.4.3: (handler_fun} 1.4.4: _send_dhcp_notification (context, data, methodname) 1.4.5: _view_(context, data, fields_to_strip) Notification to ceilometer also happens here Action is link create, update, show, index or delete Handler_fun is like create_net, list_nets function of plugins
Setup.cfg <ml2 Setup> neutron.ml2.type_drivers = flat = neutron.plugins.ml2.drivers.type_flat:FlatTypeDriver local = neutron.plugins.ml2.drivers.type_local:LocalTypeDriver vlan = neutron.plugins.ml2.drivers.type_vlan:VlanTypeDriver gre = neutron.plugins.ml2.drivers.type_gre:GreTypeDriver vxlan = neutron.plugins.ml2.drivers.type_vxlan:VxlanTypeDriver neutron.ml2.mechanism_drivers = linuxbridge = neutron.plugins.ml2.drivers.mech_linuxbridge:LinuxbridgeMechanismDriver openvswitch = neutron.plugins.ml2.drivers.mech_openvswitch:OpenvswitchMechanismDriver hyperv = neutron.plugins.ml2.drivers.mech_hyperv:HypervMechanismDriver ncs = neutron.plugins.ml2.drivers.mechanism_ncs:NCSMechanismDriver arista = neutron.plugins.ml2.drivers.mech_arista.mechanism_arista:AristaDriver cisco_nexus = neutron.plugins.ml2.drivers.cisco.mech_cisco_nexus:CiscoNexusMechanismDriver l2population = neutron.plugins.ml2.drivers.l2pop.mech_driver:L2populationMechanismDriver …
ml2.ini <ml2 설정 파일> neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/ml2.ini [ml2] type_drivers = local,flat,vlan,gre,vxlan mechanism_drivers = openvswitch,linuxbridge tenant_network_types = vlan,gre,vxlan [ml2_type_flat] flat_networks = physnet1,physnet2 [ml2_type_vlan] network_vlan_ranges = physnet1:1000:2999,physnet2 [ml2_type_gre] tunnel_id_ranges = 1:1000 [ml2_type_vxlan] vni_ranges = 1001:2000
__init__ : neutron manager (server) neutron/manager.py: __init__() • Create core plugin instance [core_plugin=] Ml2 plugin :TypeManager :TypeDriver :MechanismManager :MechanismDriver 1: __init__() 1.1: initialize() loop [loop on drivers] 1.1.1: initialize() [loop on ordered_mech_drivers] 1.2.1: initialize() loop 1.2: initialize() 1.3: _setup_rpc() ml2.ini를 통하여 어떠한 드라이버를 사용할 것인지 읽고 환경을 설정함
Ml2 RPC structure SecurityGroupServerRpcCallbackMixin() : neutron/db/securitygroups_rpc_base.py DhcpRpcCallbackMixin() : neutron/db/dhcp_rpc_base.py TunnelRpcCallbackMixin() : neutron/plugins/ml2/drivers/type_tunnel.py RpcCallbacks : neutron/plugins/ml2/rpc.py AgentNotifierApi() : neutron/plugins/각 플러그인 마다 구현 Ml2Plugin TunnelAgentRpcApiMixin : neutron/SecurityGroupAgentRpcApiMixin plugins/ml2/drivers/type_tunnel.py : neutron/agent/securitygroups_rpc.py callbacks notifier DHCP Agent에서 RPC 처리 L2 Agent 에서 Notifi
RPC of L2 agent: ovs neutron agent SecurityGroupAgentRpcApiMixin : neutron/agent/securitygroups_rpc.py + security_groups_rule_updated(context, kwargs **) + security_groups_member_updated(context, kwargs **) + security_groups_provider_updated(context, kwargs **) OVSNeutronAgent : neutron/plugins/각 플러그인의 Agent + network_delete(context, kwargs **) + port_update(context, kwargs **) + tunnel_update(context, kwargs **) OVSPluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 PluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 아래는 neutron/agent/rpc.py + get_device_details(…, device, agent_id) + update_device_down(…, agent_id, host=none) + update_device_up(…, agent_id, host=none) + tunnel_sync(…, tunnel_ip, tunnel_type=None) SecurityGroupServerRpcApiMixin : neutron/db/securitygroups_rpc_base.py + security_group_rules_for_devices(…) plugin_rpc callback Plugin과 통신 Plugin을 통해 Message 받음
Plugin to agent SecurityGroupAgentRpcApiMixin : neutron/agent/securitygroups_rpc.py + security_groups_rule_updated(…) + security_groups_member_updated(…) + security_groups_provider_updated(…) OVSNeutronAgent : neutron/plugins/각 플러그인의 Agent + network_delete(context, kwargs **) + port_update(context, kwargs **) + tunnel_update(context, kwargs **) SecurityGroupAgentRpcCallbackMixin : neutron/db/securitygroups_rpc_base.py + security_groups_rule_updated(…) + security_groups_member_updated(…) + security_groups_provider_updated(…) TunnelAgentRpcApiMixin : neutron/plugins/ml2/drivers/type_tunnel.py + tunnel_update(…) AgentNotifierApi : neutron/plugins/각 플러그인의 Agent 아래는 neutron/agent/rpc.py + network_delete(context, network_id) + port_update(context, port, …) Ml2Plugin notifier Plugins L2Agent q-agent-notifier-tunnel- update_fanout Exchange Queue q-agent-notifier-port- update_fanout q-agent-notifier-network-delete_ fanout q-agent-notifier-security_ gtoup-update_ fanout q-agent-notifier-tunnel- update_fanout _<uuid> q-agent-notifier-port- update_fanout _<uuid> q-agent-notifier-network-delete_ fanout _<uuid> q-agent-notifier-security_ gtoup-update_ fanout _<uuid>
L2 Agent to Plugin L2Agent Exchange Queue Plugins Ml2Plugin RpcCallbacks : neutron/plugins/ml2/rpc.py + get_port_from_device(…) + get_device_details(…) + update_device_down(…) + update_device_up(…) TunnelAgentRpcApiMixin : neutron/plugins/ml2/drivers/type_tunnel.py + security_group_rules_for_devices(…) PluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 아래는 neutron/agent/rpc.py + get_device_details(…, device, agent_id) + update_device_down(…, agent_id, host=none) + update_device_up(…, agent_id, host=none) + tunnel_sync(…, tunnel_ip, tunnel_type=None) OVSNeutronAgent : neutron/plugins/각 플러그인의 Agent + network_delete(context, kwargs **) + port_update(context, kwargs **) + tunnel_update(context, kwargs **) OVSPluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 plugin_rpc Neutron q_plugin callbacks SecurityGroupAgentRpcCallbackMixin : neutron/db/securitygroups_rpc_base.py + security_group_rules_for_devices(…) TunnelRpcCallbackMixin : neutron/plugins/ml2/drivers/type_tunnel.py + tunnel_sync(…)
RPC of DHCP agent DhcpAgent() : neutron/agent/dhcp_agent.py + network_create_end(context, payload) + network_update_end(context, payload) + network_delete_end(context, payload) + subnet_update_end(context, payload) + subnet_delete_end(context, payload) + port_update_end(context, payload) + port_delete_end(context, payload) DhcpAgentWithStateReport : neutron/agent/dhcp_agent.py DhcpPluginApi : neutron/agent/dhcp_agent.py + get _active_networks_info(…) + get_network_info(network_id) + create_dhcp_port(port) + update_dhcp_port(port_id, port) + release_dhcp_port(network_id, device_id) callback Plugin_rpc
Neutron to agent DhcpAgentNotifyAPI : neutron/api/rpc/agentnotifiers/dhcp_rpc_agent_api.py + notify(…, data, methodname) Neutron Server DHCPAgent dhcp_agent_fanout Exchange Queue neutron dhcp_agent_fanout _<uuid> dhcp_agent.<host> DhcpAgentWithStateReport : neutron/agent/dhcp_agent.py DhcpAgent() : neutron/agent/dhcp_agent.py + network_create_end(context, payload) + network_update_end(context, payload) + network_delete_end(context, payload) + subnet_update_end(context, payload) + subnet_delete_end(context, payload) + port_update_end(context, payload) + port_delete_end(context, payload) ‘network.create.end’, ‘network.update.end’, ‘network.delete.end’, ‘subnet.create.end’, ‘subnet.update.end’, ‘subnet.delete.end’, ‘port.create.end’, ‘port.update.end’, ‘port.delete.end’
DHCP Agent to Plugin DHCPAgent Exchange Queue Plugins RpcCallbacks : neutron/plugins/ml2/rpc.py + get_port_from_device(…) + get_device_details(…) + update_device_down(…) + update_device_up(…) Neutron q_plugin DhcpPluginApi : neutron/agent/dhcp_agent.py + get _active_networks_info(…) + get_network_info(network_id) + create_dhcp_port(port) + update_dhcp_port(port_id, port) + release_dhcp_port(network_id, device_id) callbacks DhcpRpcCallbackMixin : neutron/db/dhcp_rpc_base.py + get_active_networks_info(…) + get_network_info(…) + release_dhcp_port(…) + create_dhcp_port(…) + update_dhcp_port(…) DhcpAgentWithStateReport : neutron/agent/dhcp_agent.py plugin_rpc Ml2Plugin
Nova.conf … network_api_class=nova.network.neutronv2.api.API … neutron_url=http://<eth0:IP Address>:9696 … neutron_region_name=RegionOne … neutron_admin_tenant_name=service … neutron_auth_strategy=keystone … neutron_admin_auth_url=http://<eth0:IP Address>:35357/v2.0 … neutron_admin_password=<edit password> … neutron_admin_username=neutron … libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtGenericVIFDriver
interaction to boot VM (OVS bridge) _build_instance() on Nova compute 2. Create port : REST API Neutron Server Plugin을 통해 Message 받음 1. _allocate_network() 3. vif_driver.plug() 4. Add a port tapxxxxxx with external_ids set ovs bridge br-int 5. Find a port tapxxxxxx was added Neutron openvswitch agent (Loop to detect port update on br-int) 6. Get the Neutron port id from the external_ids 8. Set up the ovs port so that the network of VM works 7. get_device_details(port_id) Message queue 9. update_device_up()
Overview & Features Neutron ml2 plugin OpenIRIS ml2 Manager BW QoS/ToS Link Cost Manager OVS-Plugin ARP Proxy E2E Path Visualizer Core Module Topology Manager Forwarding Manager … MAC Learning Status Manager Switch Manager OpenIRIS - pNaaS Tunnel Manager VNID-to-Flow Mapper Virtual Routing Manager Policy Manager ECMP Flow Monitor Queuing Path Computation OF Switch OF Switch OF Switch OF Switch …
Architecture BW Link Cost Manager OVS-Plugin ARP Proxy E2E Path Visualizer OpenvSwitch VM1 VM2 Compute Node Network Node Control Node OpenvSwitch VM1 VM2 QoS/ToS REST API REST API OF Switch OF Switch OF Switch OF Switch Compute Node OpenvSwitch VM1 VM2 Compute Node OpenIRIS - pNaaS Tunnel Manager VNID-to-Flow Mapper Virtual Routing Manager Neutron API Policy Manager ECMP Flow Monitor Queuing Path Computation
Overview & Features Overview • Using REST API Features • Network (http://<IRIS IP:8080>/vm/ml2/networks/{uuid})  create_network_postcommit  update_network_postcommit  delete_network_postcommit • Subnet (http://<IRIS IP:8080>/vm/ml2/subnets/{uuid})  create_subnet_postcommit  update_subnet_postcommit  delete_subnet_postcommit • Port (http://<IRIS IP:8080>/vm/ml2/ports/{uuid})  create_port_postcommit  update_port_postcommit  delete_port_postcommit
Create Network / Subnet
Create Network / Subnet
Create Network / Subnet REST Call • Get : http://IP:8080/controller/nb/v2/neutron/networks/af57c272-fe28-4a1d-a5e0-48b42508f1ea
Create Network / Subnet REST Call • Get : http://IP:8080/controller/nb/v2/neutron/subnets/d07c4855-f728-415d-b841-c62086a1ca0e
Create vm
Create vm
Create vm REST Call • Get : http://IP:8080/controller/nb/v2/neutron/ports/8f59e83c-7dd9-4c8d-b642-67da44b00e30
Create vm REST Call • Get : http://IP:8080/controller/nb/v2/neutron/ports/90a6dfc6-3f72-4aa9-9c99-1c1b8bbd2eac
Install Network Node • service neutron-server stop • service neutron-openvswitch-agent stop • Download OpenIRIS ml2 mechanism Driver  /usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers  /usr/lib/python2.6/site-packages/neutron/plugins/ml2/drivers • Edit file  /etc/neutron/plugins/ml2/ml2_conf.ini  [openiris]  [ml2_openiris] • service neutron-server start DevStack • Github  DevStack : https://github.com/uni2u/DevStack.git (Find bugs...)  TBD  Neutron(ml2 plugin) : https://github.com/uni2u/Neutron.git (Find bugs...)  TBD • We need Stable Version  Screenshot : ubuntu 12.04 / 14.04, Fedora, etc
Todo DevStack • Provide IRIS ml2 plugin in devstack (OpenStack Project)  mechanism_iris, …  we need devstack! • Script Files  More easy install devstack
Todo
Todo
Todo /opt/stack/neutron/setup.cfg
Todo
Overview & Features Overview • OpenIRIS ML2 Module  Download Git : https://github.com/bjlee72/IRIS.git • Now  TBD
Architecture BW Link Cost Manager OVS-Plugin ARP Proxy E2E Path Visualizer OpenvSwitch VM1 VM2 Compute Node Network Node Control Node OpenvSwitch VM1 VM2 QoS/ToS REST API REST API OF Switch OF Switch OF Switch OF Switch Compute Node OpenvSwitch VM1 VM2 Compute Node OpenIRIS - pNaaS Tunnel Manager VNID-to-Flow Mapper Virtual Routing Manager Neutron API Policy Manager ECMP Flow Monitor Queuing Path Computation
Overview & Features Features (ml2 classes) • IOpenstackML2ConnectorServie.java  Interface of ML2_Module (OFMOpenstackML2Connector.java)  Incomplete (interface is nothing) • NetworkConfiguration.java  ml2 plugin called this class  REST (http://IP:8080/vm/ml2) • OFMOpenstackML2Connector.java  Module class • RestCreateNetwork.java  create_network_posecommit (ml2 plugin)  REST (http://IP:8080/vm/ml2/networks/{uuid})  Incomplete (PUT, POST, DELETE) • RestCreatePort.java  create_port_posecommit (ml2 plugin)  REST (http://IP:8080/vm/ml2/ports/{uuid})  Incomplete (PUT, POST, DELETE) • RestCreateSubnet.java  create_subnet_posecommit (ml2 plugin)  REST (http://IP:8080/vm/ml2/subnets/{uuid})  Incomplete (PUT, POST, DELETE)
준비사항 및 실습 준비사항 • VirtualBox ver 4.3.12 (https://www.virtualbox.org/wiki/Downloads) • Ubuntu 14.04 LTS (http://www.ubuntu.com/download/desktop) VirtualBox 설정
Virtualbox VM Create – Control Node
Virtualbox VM Create – Control Node
Virtualbox VM Start – Control Node
Control Node 설정 Installs • Services deployed  Compute(Nova) / Network(Neutron) / Object Storage(Swift) / Image Storage (Glance) / Block Storage(Cinder) / Identity(Keystone) / Database(Trove) / Orchestration(Heat) / Dashboard(Horizon) • Installation Order  System Update, Upgrade sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade  Install git, vim sudo apt-get install git vim  User Permission sudo adduser stack echo “stack ALL=(ALL) NOPASSWD:ALL” >> /etc/sudoers  Download Devstack (ver. Icehouse) git clone https://github.com/openstack-dev/devstack.git -b stable/icehouse devstack/

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Harmonia open iris_basic_v0.1

  • 2.
    1 2 3 4 Introduce Architecture OpenStack IRIS Neutron Plugin 5 6 7 IRIS ML2 Mechanism Driver IRIS Virtual Network Module Todo
  • 4.
    Introduce Harmonia •코드네임 : 하르모니아 (Harmonia)  개발 코드 네임  정식 명칭 : IRIS-pNaaS • Harmonia Logo • Harmonia ?  전쟁의 신(아레스)과 미와 사랑의 여신(아프로디테) 사이에서 태어난 그리스 여신으 로 ‘조화’를 의미함  음악 용어인 하모니(Harmony)의 어원  Virtual Network의 조화를 이루고자 하는 의미
  • 5.
    Introduce Keywords :SIA (Swift, Inexpensive, Automation) • Swift • Inexpensive • Automation We can create virtual networks, make swift networks and low-price. Don’t worry about! It’s automation.
  • 7.
    개념도 VM2 VM3 VM5 VM6 VM1 Tenant A VM4 Tenant B REST API VM2 VM4 VM5 Compute Node Compute Node Network Node Control Node Compute Node Compute Node VM1 VM3 VM6 OpenFlow
  • 8.
    OpenStack Concept Architecture http://docs.openstack.org/icehouse/install-guide/install/apt/content/ch_overview.html
  • 9.
    Control Node, NetworkNode, Compute Node http://docs.openstack.org/icehouse/install-guide/install/apt/content/ch_overview.html SDN Controller
  • 10.
    구성도 (서버 랙) eth0 eth1 eth2 eth2 eth0 eth0 eth1 eth1 eth0 Data Network Management Network External Network OF Switch eth1 Control Node Network Node Compute Node OpenFlow
  • 11.
    구성도 (서버 랙- 실사) Control Node Management Network Hub - OS : Ubuntu 14.04 , Fedora, etc… - OVS : version 2.0 이상 * 주의 : Linux Kernel 과 dependency - 네트워크 인터페이스 : 2 * eth0 : Management Network (사설 IP) * eth1 : 외부망 연동 (공인 IP) Network Node - OS : Ubuntu 14.04 , Fedora, etc… - OVS : version 2.0 이상 * 주의 : Linux Kernel 과 dependency - 네트워크 인터페이스 : 3 이상 * eth0 : Management Network (사설 IP) * eth1 : Data Network (사설 IP) * eth2 : 외부망 연동 (공인 IP) Compute Node - OS : Ubuntu 14.04 , Fedora, etc… - OVS : version 2.0 이상 * 주의 : Linux Kernel 과 dependency - 네트워크 인터페이스 : 3 이상 * eth0 : Management Network (사설 IP) * eth1 : Data Network (사설 IP) * eth2 : 외부망 연동 (공인 IP) ① ② ③ ① ② ③ Control Node Network Node Compute Node Compute Node Compute Node Compute Node Compute Node Compute Node Compute Node OpenFlow Hub Switch Management Network (일반 Hub) Data Network (OpenFlow SW) + SDN Controller Data Network Switch (OpenFlow SW) - OF Switch, OVS, OpenWRT, … - Connect SDN Controller
  • 13.
    Overview & Features Overview • A virtual switch or Virtual Ethernet Bridge (VEB) • A key component of networking for virtualized computing • User-space : configuration, control • Kernel-space : datapath (include in main Linux kernel since version 3.3) • Cisco Nexus 1000v, VMware vDS, IBM DVS 5000v, MS Hyper-V vSwitch Features • Visibility into inter-VM communication via NetFlow, sFlow®, IPFIX, SPAN, LACP (IEEE 802.1AX-2008) • Standard 802.1Q VLAN model with trunking • STP (IEEE 802.1D-1998), Fine-grained QoS control • NIC bonding with source-MAC load balancing, active backup, and L4 hashing • OpenFlow protocol support (including many extensions for virtualization) • Multiple tunneling protocols (VXLAN, Ethernet over GRE, CAPWAP, Ipsec, GRE over Ipsec)
  • 14.
    Open vSwitch Architecture ovs-vsctl ovsdb-client ovs-appctl ovs-dpctl ovs-brcompatd ovs-vswitchd brcompat.ko openvswitch.ko Kernel Datapath (Fast Path) Kernel space user space ovsdb-server Netlink tap Remote Open vSwitch db OpenFlow Controller ovs-ofctl VM vNIC OVS Management (JSON RPC) OpenFlow
  • 15.
    Open vSwitch Architecture br-ovs VM VM vNIC vNIC vnet0 tap2 vnet1 Packet flows eth0 tap1 Port Flow Table Bridge Interface bond0 eth2 eth1 eth2
  • 16.
    Open vSwitch Architecture ovs-vswitchd • a daemon that implements the switch, along with a companion Linux kernel module for flow-based switching ovsdb-server • a lightweight database server that ovs-vswitchd queries to obtain configuration ovs-vsctl • a utility for querying and updating the configuration of ovs-vswitchd ovs-dpctl • a tool for configuring and monitoring the switch kernel module ovs-appctl • a utility that sends commands to running Open vSwitch daemons (ovs-vswitchd) ovs-controller • a simple OpenFlow controller reference implementation brocompat.ko • Linux bridge compatibility module openvswitch.ko • Open vSwitch switching datapath
  • 17.
    Open vSwitch Configuration Table Purpose Open_vSwitch Open vSwitch configuration Bridge Bridge configuration Port Port configuration Interface One physical network device in a Port QoS Quality of Service configuration Queue QoS output queue Mirror Port mirroring Controller OpenFlow controller configuration Manager OVSDB management connection NetFlow NetFlow configuration SSL SSL configuration sFlow sFlow configuration Capability Capability configuration
  • 18.
    Open vSwitch Configurationsample $ sudo ovs-vsctl show 225d73cc-15b3-4db5-9b45-e783f7c49a10 Bridge br-tun Port "gre-3" Interface "gre-3" type: gre options: {in_key=flow, out_key=flow, remote_ip="192.168.0.10"} Port br-tun Interface br-tun type: internal Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Bridge br-int Port "tap1" tag: 1 Interface "tap1" Port "tap2" tag: 1 Interface "tap2" Port br-int Interface br-int type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int}
  • 19.
    Open vSwitch Configurationsample Linux Networking Stack VM VM vNIC vNIC br-int Eth0 tap1 External IP gre3 Eth2 192.168.10.20 Eth1 192.168.0.20 tap2 br-tun patch-tun patch-int GRE Tunnel 192.168.0.10
  • 20.
    Open vSwitch Demo Switch eth0 VM VM vNIC vNIC tap1 tap2 OpenvSwitch Bridge eth1 VM VM vNIC vNIC gre-1 OpenvSwitch Bridge Switch tap1 eth1 tap2 eth0 GRE tunnel gre-1 External network Tunneling network 192.168.0.0/24
  • 21.
    Virtual Network -OpenStack Control Node Nova Keystone Glance Horizon eth1 eth0 External network eth2 eth0 Network Node Neutron Server Neutron L3-Agent eth1 Management network 192.168.0.0/24 eth2 Compute Node 01 eth1 eth0 eth2 Compute Node 02 eth1 eth0 eth2 Neutron Agent Neutron OpenvSwitch Plug-in Nova Compute Neutron Agent Neutron OpenvSwitch Plug-in Nova Compute Data network 192.168.10.0/24
  • 22.
    eth0 Network Node br-ex qg~~ br-int qr~~ eth1 gre-1 eth0 Compute Node 01 tap1 eth1 tap2 VM VM GRE tunnel gre-1 Virtual Network - OpenStack tap~~ br-tun gre-2 gre-2 br-tun br-int Tunnel <-> Compute Node 02 • qg~~ : external gateway interface • qr~~ : virtual router interface • tap~~ : network service interface (DHCP, DNS, …)
  • 24.
    Overview & Features Overview • A virtual switch or Virtual Ethernet Bridge (VEB) • A key component of networking for virtualized computing • User-space : configuration, control • Kernel-space : datapath (include in main Linux kernel since version 3.3) • Cisco Nexus 1000v, VMware vDS, IBM DVS 5000v, MS Hyper-V vSwitch Features • Visibility into inter-VM communication via NetFlow, sFlow®, IPFIX, SPAN, LACP (IEEE 802.1AX-2008) • Standard 802.1Q VLAN model with trunking • STP (IEEE 802.1D-1998), Fine-grained QoS control • NIC bonding with source-MAC load balancing, active backup, and L4 hashing • OpenFlow protocol support (including many extensions for virtualization) • Multiple tunneling protocols (VXLAN, Ethernet over GRE, CAPWAP, Ipsec, GRE over Ipsec)
  • 25.
    Layer Diagram CoreREST API Extension A REST API Extension … REST API Extension N REST API Auth N / Auth Z / Input Validation/Output view Core Plugin Interface Service A Plugin Interface Service … Plugin Interface Service N Plugin Interface Core Plugin (Vendor specific) Service A Plugin Service N Plugin Agents
  • 26.
    Application and filters [composite:neutron] use = egg:Paste#urlmap /: neutronversions /v2.0: neutronapi_v2_0 [composite:neutronapi_v2_0] use = call:neutron.auth:pipeline_factory keystone = authtoken keystonecontext extensions neutronapiapp_v2_0 [filter:keystonecontext] paste.filter_factory = neutron.auth:NeutronKeystoneContext.factory [filter:authtoken] paste.filter_factory = keystoneclient.middleware.auth_token:filter_factory [filter:extensions] paste.filter_factory = neutron.api.extensions:plugin_aware_extension_middleware_factory [app:neutronversions] paste.app_factory = neutron.api.versions:Versions.factory [app:neutronapiapp_v2_0] paste.app_factory = neutron.api.v2.router:APIRouter.factory
  • 27.
    neutron/server/__init__.py: main() config.parse(sys.argv[1:])# --config-file neutron.conf --config-file XXXXX.ini neutron/common/config.py def load_paste_app(app_name) # Name of the application to load ex) def load_paste_app(“neutron”) • neutron/auth.py def pipeline_factory(loader, global_conf, **local_conf): • neutron/api/v2/router.py class APIRouter(wsgi.router): def factory(cls, global_config, **local_config): • neutron/api/extensions.py def plugin_aware_extension_middleware_factory(global_config, **local_config): neutron/auth.py class NeutronKeystoneContext(wsgi.Middleware):
  • 28.
    pipeline URL request authtoken keystonecontext extensions URL is declared here? Process Response neutronapiapp_v2_0 URL is declared here? Process No No, return HTTPNotFound
  • 29.
    neutron/api/v2/router.py : APIRouter.factory() 1. __init__() 1.1 plugin = manager.NeutronManager.get_plugin( ) 1.1.1 neutron/manager.py : __init__( ) 1.1.1.1 def _create_instance( ) #create core plugin instance 1.1.1.2 def _load_service_plugins( ) #load plugin service load plugins neutron/neutron.conf service_plugins = … core_plugin = ml2 NeutronManager : service_plugins = {“CORE”: ml2, “LOADBALANCER”: xxx, …}
  • 30.
    What are plugins& extensions extensions are about resources and the actions on them • neutron/plugins/cisco|vmware|nuage/extensions/xxx.py @classmethod def get_resources(cls): for resource_name in [‘router’, ‘floatingip’]: … controller = base.create_resource (collection_name, resource_name, plugin…) ex = ResourceExtension(collection_name, controller, member_actions…) Plugins are used to support the resources • neutron/services/l3_router/l3_router_plugin.py • neutron/plugins/bigswitch/plugin.py supported_extension_aliases = [“router”, “ext-gw-mode”, “extraroute”, “l3_agent_scheduler”] • neutron/extensions/l3.py • neutron/plugins/bigswitch/plugin.py def update_router(self, context, id, router): • neutron/extensions/l3.py • neutron/plugins/bigswitch/routerrule_db.py def get_router(self, context, id, fields=None):
  • 31.
    neutronapiapp_v2_0: load extensions neutron/api/v2/router.py: APIRouter.factory() • __init__( ) 1.1 plugin = manager.NeutronManager.get_plugin() 1.2 ext_mgr = extensions.PluginAwareExtensionManager.get_instance() 1.2.1 neutron/api/extensions.py : def get_extensions_path() 1.2.2 neutron/api/extensions.py : class PluginAwareExtensionManager(ExtensionManager): __init__(paths, plugins) 1.2.2.1 neutron/api/extensions.py : def _load_all_extensions(self): self._load_all_extensions_from_path(path) 1.2.2.2 neutron/api/extensions.py : def _load_all_extensions(self, path): … self.add_extension(new_ext) 1.2.2.3 neutron/api/extensions.py : def add_extension(self, ext): … self._check_extension(ext): neutron standard extension plus ones specified by api_extension_path= in neutron.conf check each python module name under the path, and capitalize the first letter of the module name to find the class in it, excluding the modules starting with “_”. 1. 각 플러그인 마다 체크 (supported_extension_aliases) 2. check if the potential extension has implemented the needed functions. 3. check if one of plugins supports it. plugin’s supported_extension_aliases attribute defines what extensions it supports.
  • 32.
    neutronapiapp_v2_0: install coreresource neutron/api/v2/router.py: APIRouter.factory() • __init__( ) 1.1 plugin = manager.NeutronManager.get_plugin() 1.2 ext_mgr = extensions.PluginAwareExtensionManager.get_instance() 1.3 install core resources 1.3.1 neutron/api/v2/router.py RESOURCES = {‘network’: ‘networks’, ‘subnet’: ‘subnets’, ‘port’: ‘ports’}
  • 33.
    extension filter: assembleextensions neutron/api/extension.py • def plugin_aware_extension_middleware_factory(global_config, **local_config) 1.1 def _factory(app): ext_mgr = PluginAwareExtensionManager.get_instance() return ExtensionMiddleware(app, ext_mgr=ext_mgr) :ExtensionMiddleware :PluginAwareExtensionManager :ExtensionDescriptor 1. __init__(application, ext_mgr) 1.1 get_resource() [for each extension] 1.1.1 get_resources() Loop 1.2 install route objects
  • 34.
    URL processing (1/2) Resource:Resource :TextDeserializer :DictSerializer :Control Node 1: HTTP URL 1.1: __init__ 1.2: deserialize (data string) 1.3: getattr (action) 1.4: create | update | show | index | delete 1.5: serialize (data)
  • 35.
    URL processing (2/2) :Control Node 1.4: create | update | show | index | delete plugin:Plugin 1.4.1: calculate Plugin handler (action) 1.4.2: authz/input validation 1.4.3: (handler_fun} 1.4.4: _send_dhcp_notification (context, data, methodname) 1.4.5: _view_(context, data, fields_to_strip) Notification to ceilometer also happens here Action is link create, update, show, index or delete Handler_fun is like create_net, list_nets function of plugins
  • 37.
    Setup.cfg <ml2 Setup> neutron.ml2.type_drivers = flat = neutron.plugins.ml2.drivers.type_flat:FlatTypeDriver local = neutron.plugins.ml2.drivers.type_local:LocalTypeDriver vlan = neutron.plugins.ml2.drivers.type_vlan:VlanTypeDriver gre = neutron.plugins.ml2.drivers.type_gre:GreTypeDriver vxlan = neutron.plugins.ml2.drivers.type_vxlan:VxlanTypeDriver neutron.ml2.mechanism_drivers = linuxbridge = neutron.plugins.ml2.drivers.mech_linuxbridge:LinuxbridgeMechanismDriver openvswitch = neutron.plugins.ml2.drivers.mech_openvswitch:OpenvswitchMechanismDriver hyperv = neutron.plugins.ml2.drivers.mech_hyperv:HypervMechanismDriver ncs = neutron.plugins.ml2.drivers.mechanism_ncs:NCSMechanismDriver arista = neutron.plugins.ml2.drivers.mech_arista.mechanism_arista:AristaDriver cisco_nexus = neutron.plugins.ml2.drivers.cisco.mech_cisco_nexus:CiscoNexusMechanismDriver l2population = neutron.plugins.ml2.drivers.l2pop.mech_driver:L2populationMechanismDriver …
  • 38.
    ml2.ini <ml2 설정파일> neutron-server --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/ml2.ini [ml2] type_drivers = local,flat,vlan,gre,vxlan mechanism_drivers = openvswitch,linuxbridge tenant_network_types = vlan,gre,vxlan [ml2_type_flat] flat_networks = physnet1,physnet2 [ml2_type_vlan] network_vlan_ranges = physnet1:1000:2999,physnet2 [ml2_type_gre] tunnel_id_ranges = 1:1000 [ml2_type_vxlan] vni_ranges = 1001:2000
  • 39.
    __init__ : neutronmanager (server) neutron/manager.py: __init__() • Create core plugin instance [core_plugin=] Ml2 plugin :TypeManager :TypeDriver :MechanismManager :MechanismDriver 1: __init__() 1.1: initialize() loop [loop on drivers] 1.1.1: initialize() [loop on ordered_mech_drivers] 1.2.1: initialize() loop 1.2: initialize() 1.3: _setup_rpc() ml2.ini를 통하여 어떠한 드라이버를 사용할 것인지 읽고 환경을 설정함
  • 40.
    Ml2 RPC structure SecurityGroupServerRpcCallbackMixin() : neutron/db/securitygroups_rpc_base.py DhcpRpcCallbackMixin() : neutron/db/dhcp_rpc_base.py TunnelRpcCallbackMixin() : neutron/plugins/ml2/drivers/type_tunnel.py RpcCallbacks : neutron/plugins/ml2/rpc.py AgentNotifierApi() : neutron/plugins/각 플러그인 마다 구현 Ml2Plugin TunnelAgentRpcApiMixin : neutron/SecurityGroupAgentRpcApiMixin plugins/ml2/drivers/type_tunnel.py : neutron/agent/securitygroups_rpc.py callbacks notifier DHCP Agent에서 RPC 처리 L2 Agent 에서 Notifi
  • 41.
    RPC of L2agent: ovs neutron agent SecurityGroupAgentRpcApiMixin : neutron/agent/securitygroups_rpc.py + security_groups_rule_updated(context, kwargs **) + security_groups_member_updated(context, kwargs **) + security_groups_provider_updated(context, kwargs **) OVSNeutronAgent : neutron/plugins/각 플러그인의 Agent + network_delete(context, kwargs **) + port_update(context, kwargs **) + tunnel_update(context, kwargs **) OVSPluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 PluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 아래는 neutron/agent/rpc.py + get_device_details(…, device, agent_id) + update_device_down(…, agent_id, host=none) + update_device_up(…, agent_id, host=none) + tunnel_sync(…, tunnel_ip, tunnel_type=None) SecurityGroupServerRpcApiMixin : neutron/db/securitygroups_rpc_base.py + security_group_rules_for_devices(…) plugin_rpc callback Plugin과 통신 Plugin을 통해 Message 받음
  • 42.
    Plugin to agent SecurityGroupAgentRpcApiMixin : neutron/agent/securitygroups_rpc.py + security_groups_rule_updated(…) + security_groups_member_updated(…) + security_groups_provider_updated(…) OVSNeutronAgent : neutron/plugins/각 플러그인의 Agent + network_delete(context, kwargs **) + port_update(context, kwargs **) + tunnel_update(context, kwargs **) SecurityGroupAgentRpcCallbackMixin : neutron/db/securitygroups_rpc_base.py + security_groups_rule_updated(…) + security_groups_member_updated(…) + security_groups_provider_updated(…) TunnelAgentRpcApiMixin : neutron/plugins/ml2/drivers/type_tunnel.py + tunnel_update(…) AgentNotifierApi : neutron/plugins/각 플러그인의 Agent 아래는 neutron/agent/rpc.py + network_delete(context, network_id) + port_update(context, port, …) Ml2Plugin notifier Plugins L2Agent q-agent-notifier-tunnel- update_fanout Exchange Queue q-agent-notifier-port- update_fanout q-agent-notifier-network-delete_ fanout q-agent-notifier-security_ gtoup-update_ fanout q-agent-notifier-tunnel- update_fanout _<uuid> q-agent-notifier-port- update_fanout _<uuid> q-agent-notifier-network-delete_ fanout _<uuid> q-agent-notifier-security_ gtoup-update_ fanout _<uuid>
  • 43.
    L2 Agent toPlugin L2Agent Exchange Queue Plugins Ml2Plugin RpcCallbacks : neutron/plugins/ml2/rpc.py + get_port_from_device(…) + get_device_details(…) + update_device_down(…) + update_device_up(…) TunnelAgentRpcApiMixin : neutron/plugins/ml2/drivers/type_tunnel.py + security_group_rules_for_devices(…) PluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 아래는 neutron/agent/rpc.py + get_device_details(…, device, agent_id) + update_device_down(…, agent_id, host=none) + update_device_up(…, agent_id, host=none) + tunnel_sync(…, tunnel_ip, tunnel_type=None) OVSNeutronAgent : neutron/plugins/각 플러그인의 Agent + network_delete(context, kwargs **) + port_update(context, kwargs **) + tunnel_update(context, kwargs **) OVSPluginApi : neutron/plugins/각 플러그인의 Agent를 통해 제공 plugin_rpc Neutron q_plugin callbacks SecurityGroupAgentRpcCallbackMixin : neutron/db/securitygroups_rpc_base.py + security_group_rules_for_devices(…) TunnelRpcCallbackMixin : neutron/plugins/ml2/drivers/type_tunnel.py + tunnel_sync(…)
  • 44.
    RPC of DHCPagent DhcpAgent() : neutron/agent/dhcp_agent.py + network_create_end(context, payload) + network_update_end(context, payload) + network_delete_end(context, payload) + subnet_update_end(context, payload) + subnet_delete_end(context, payload) + port_update_end(context, payload) + port_delete_end(context, payload) DhcpAgentWithStateReport : neutron/agent/dhcp_agent.py DhcpPluginApi : neutron/agent/dhcp_agent.py + get _active_networks_info(…) + get_network_info(network_id) + create_dhcp_port(port) + update_dhcp_port(port_id, port) + release_dhcp_port(network_id, device_id) callback Plugin_rpc
  • 45.
    Neutron to agent DhcpAgentNotifyAPI : neutron/api/rpc/agentnotifiers/dhcp_rpc_agent_api.py + notify(…, data, methodname) Neutron Server DHCPAgent dhcp_agent_fanout Exchange Queue neutron dhcp_agent_fanout _<uuid> dhcp_agent.<host> DhcpAgentWithStateReport : neutron/agent/dhcp_agent.py DhcpAgent() : neutron/agent/dhcp_agent.py + network_create_end(context, payload) + network_update_end(context, payload) + network_delete_end(context, payload) + subnet_update_end(context, payload) + subnet_delete_end(context, payload) + port_update_end(context, payload) + port_delete_end(context, payload) ‘network.create.end’, ‘network.update.end’, ‘network.delete.end’, ‘subnet.create.end’, ‘subnet.update.end’, ‘subnet.delete.end’, ‘port.create.end’, ‘port.update.end’, ‘port.delete.end’
  • 46.
    DHCP Agent toPlugin DHCPAgent Exchange Queue Plugins RpcCallbacks : neutron/plugins/ml2/rpc.py + get_port_from_device(…) + get_device_details(…) + update_device_down(…) + update_device_up(…) Neutron q_plugin DhcpPluginApi : neutron/agent/dhcp_agent.py + get _active_networks_info(…) + get_network_info(network_id) + create_dhcp_port(port) + update_dhcp_port(port_id, port) + release_dhcp_port(network_id, device_id) callbacks DhcpRpcCallbackMixin : neutron/db/dhcp_rpc_base.py + get_active_networks_info(…) + get_network_info(…) + release_dhcp_port(…) + create_dhcp_port(…) + update_dhcp_port(…) DhcpAgentWithStateReport : neutron/agent/dhcp_agent.py plugin_rpc Ml2Plugin
  • 48.
    Nova.conf … network_api_class=nova.network.neutronv2.api.API … neutron_url=http://<eth0:IP Address>:9696 … neutron_region_name=RegionOne … neutron_admin_tenant_name=service … neutron_auth_strategy=keystone … neutron_admin_auth_url=http://<eth0:IP Address>:35357/v2.0 … neutron_admin_password=<edit password> … neutron_admin_username=neutron … libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtGenericVIFDriver
  • 49.
    interaction to bootVM (OVS bridge) _build_instance() on Nova compute 2. Create port : REST API Neutron Server Plugin을 통해 Message 받음 1. _allocate_network() 3. vif_driver.plug() 4. Add a port tapxxxxxx with external_ids set ovs bridge br-int 5. Find a port tapxxxxxx was added Neutron openvswitch agent (Loop to detect port update on br-int) 6. Get the Neutron port id from the external_ids 8. Set up the ovs port so that the network of VM works 7. get_device_details(port_id) Message queue 9. update_device_up()
  • 51.
    Overview & Features Neutron ml2 plugin OpenIRIS ml2 Manager BW QoS/ToS Link Cost Manager OVS-Plugin ARP Proxy E2E Path Visualizer Core Module Topology Manager Forwarding Manager … MAC Learning Status Manager Switch Manager OpenIRIS - pNaaS Tunnel Manager VNID-to-Flow Mapper Virtual Routing Manager Policy Manager ECMP Flow Monitor Queuing Path Computation OF Switch OF Switch OF Switch OF Switch …
  • 52.
    Architecture BW LinkCost Manager OVS-Plugin ARP Proxy E2E Path Visualizer OpenvSwitch VM1 VM2 Compute Node Network Node Control Node OpenvSwitch VM1 VM2 QoS/ToS REST API REST API OF Switch OF Switch OF Switch OF Switch Compute Node OpenvSwitch VM1 VM2 Compute Node OpenIRIS - pNaaS Tunnel Manager VNID-to-Flow Mapper Virtual Routing Manager Neutron API Policy Manager ECMP Flow Monitor Queuing Path Computation
  • 53.
    Overview & Features Overview • Using REST API Features • Network (http://<IRIS IP:8080>/vm/ml2/networks/{uuid})  create_network_postcommit  update_network_postcommit  delete_network_postcommit • Subnet (http://<IRIS IP:8080>/vm/ml2/subnets/{uuid})  create_subnet_postcommit  update_subnet_postcommit  delete_subnet_postcommit • Port (http://<IRIS IP:8080>/vm/ml2/ports/{uuid})  create_port_postcommit  update_port_postcommit  delete_port_postcommit
  • 54.
  • 55.
  • 56.
    Create Network /Subnet REST Call • Get : http://IP:8080/controller/nb/v2/neutron/networks/af57c272-fe28-4a1d-a5e0-48b42508f1ea
  • 57.
    Create Network /Subnet REST Call • Get : http://IP:8080/controller/nb/v2/neutron/subnets/d07c4855-f728-415d-b841-c62086a1ca0e
  • 58.
  • 59.
  • 60.
    Create vm RESTCall • Get : http://IP:8080/controller/nb/v2/neutron/ports/8f59e83c-7dd9-4c8d-b642-67da44b00e30
  • 61.
    Create vm RESTCall • Get : http://IP:8080/controller/nb/v2/neutron/ports/90a6dfc6-3f72-4aa9-9c99-1c1b8bbd2eac
  • 62.
    Install Network Node • service neutron-server stop • service neutron-openvswitch-agent stop • Download OpenIRIS ml2 mechanism Driver  /usr/lib/python2.7/site-packages/neutron/plugins/ml2/drivers  /usr/lib/python2.6/site-packages/neutron/plugins/ml2/drivers • Edit file  /etc/neutron/plugins/ml2/ml2_conf.ini  [openiris]  [ml2_openiris] • service neutron-server start DevStack • Github  DevStack : https://github.com/uni2u/DevStack.git (Find bugs...)  TBD  Neutron(ml2 plugin) : https://github.com/uni2u/Neutron.git (Find bugs...)  TBD • We need Stable Version  Screenshot : ubuntu 12.04 / 14.04, Fedora, etc
  • 63.
    Todo DevStack •Provide IRIS ml2 plugin in devstack (OpenStack Project)  mechanism_iris, …  we need devstack! • Script Files  More easy install devstack
  • 64.
  • 65.
  • 66.
  • 67.
  • 69.
    Overview & Features Overview • OpenIRIS ML2 Module  Download Git : https://github.com/bjlee72/IRIS.git • Now  TBD
  • 70.
    Architecture BW LinkCost Manager OVS-Plugin ARP Proxy E2E Path Visualizer OpenvSwitch VM1 VM2 Compute Node Network Node Control Node OpenvSwitch VM1 VM2 QoS/ToS REST API REST API OF Switch OF Switch OF Switch OF Switch Compute Node OpenvSwitch VM1 VM2 Compute Node OpenIRIS - pNaaS Tunnel Manager VNID-to-Flow Mapper Virtual Routing Manager Neutron API Policy Manager ECMP Flow Monitor Queuing Path Computation
  • 71.
    Overview & Features Features (ml2 classes) • IOpenstackML2ConnectorServie.java  Interface of ML2_Module (OFMOpenstackML2Connector.java)  Incomplete (interface is nothing) • NetworkConfiguration.java  ml2 plugin called this class  REST (http://IP:8080/vm/ml2) • OFMOpenstackML2Connector.java  Module class • RestCreateNetwork.java  create_network_posecommit (ml2 plugin)  REST (http://IP:8080/vm/ml2/networks/{uuid})  Incomplete (PUT, POST, DELETE) • RestCreatePort.java  create_port_posecommit (ml2 plugin)  REST (http://IP:8080/vm/ml2/ports/{uuid})  Incomplete (PUT, POST, DELETE) • RestCreateSubnet.java  create_subnet_posecommit (ml2 plugin)  REST (http://IP:8080/vm/ml2/subnets/{uuid})  Incomplete (PUT, POST, DELETE)
  • 73.
    준비사항 및 실습 준비사항 • VirtualBox ver 4.3.12 (https://www.virtualbox.org/wiki/Downloads) • Ubuntu 14.04 LTS (http://www.ubuntu.com/download/desktop) VirtualBox 설정
  • 74.
    Virtualbox VM Create– Control Node
  • 75.
    Virtualbox VM Create– Control Node
  • 76.
    Virtualbox VM Start– Control Node
  • 77.
    Control Node 설정 Installs • Services deployed  Compute(Nova) / Network(Neutron) / Object Storage(Swift) / Image Storage (Glance) / Block Storage(Cinder) / Identity(Keystone) / Database(Trove) / Orchestration(Heat) / Dashboard(Horizon) • Installation Order  System Update, Upgrade sudo apt-get update sudo apt-get upgrade sudo apt-get dist-upgrade  Install git, vim sudo apt-get install git vim  User Permission sudo adduser stack echo “stack ALL=(ALL) NOPASSWD:ALL” >> /etc/sudoers  Download Devstack (ver. Icehouse) git clone https://github.com/openstack-dev/devstack.git -b stable/icehouse devstack/