X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=docs%2Freport%2Fhoneycomb_functional_tests%2Foverview.rst;fp=docs%2Freport%2Fhoneycomb_functional_tests%2Foverview.rst;h=d93de132a946f238a3f92bfc6b596ab8439bddbf;hb=da2aa127ee071e37bc4d6060dd39476179e65365;hp=0000000000000000000000000000000000000000;hpb=a1d482fcf9c221cda2f13429810bca945d9f09f4;p=csit.git diff --git a/docs/report/honeycomb_functional_tests/overview.rst b/docs/report/honeycomb_functional_tests/overview.rst new file mode 100644 index 0000000000..d93de132a9 --- /dev/null +++ b/docs/report/honeycomb_functional_tests/overview.rst @@ -0,0 +1,168 @@ +Overview +======== + +Tested Virtual Topologies +------------------------- + +CSIT Honeycomb functional tests are executed on virtualized topologies created +using Virtual Internet Routing Lab (VIRL) simulation platform contributed by +Cisco. VIRL runs on physical baremetal servers hosted by LF FD.io project. All +tests are executed in two node logical test topology - Traffic Generator (TG) +node and Systems Under Test (SUT1) node connected in a loop. Logical test +topology is shown in the figure below. + +:: + + +------------------------+ + | | + | +------------------+ | + +---------------> <--------------+ + | | | | | | + | |------------> DUT1 <-----------+ | + | | | +------------------+ | | | + | | | | | | + | | | SUT1 | | | + | | +------------------------+ | | + | | | | + | | | | + | | +-----------+ | | + | +---------------> <---------------+ | + | | TG | | + +------------------> <------------------+ + +-----------+ + +SUT1 is a VM (Ubuntu or Centos, depending on the test suite), TG is a Traffic +Generator (TG, another Ubuntu VM). SUTs run Honeycomb and VPP SW applications +in Linux user-mode as a Device Under Test (DUT) within the VM. TG runs Scapy +SW application as a packet Traffic Generator. Logical connectivity between +SUTs and to TG is provided using virtual NICs using VMs' virtio driver. + +Virtual testbeds are created on-demand whenever a verification job is started +(e.g. triggered by the gerrit patch submission) and destroyed upon completion +of all functional tests. Each node is a Virtual Machine and each connection +that is drawn on the diagram is available for use in any test case. During the +test execution, all nodes are reachable thru the Management network connected +to every node via dedicated virtual NICs and virtual links (not shown above +for clarity). + +Functional Tests Coverage +------------------------- + +The following Honeycomb functional test areas are included in the CSIT |release| +with results listed in this report: + +- **Basic interface management** - CRUD for interface state, + - ipv4/ipv6 address, ipv4 neighbor, MTU value. + - Test case count: 7 +- **L2BD** - CRUD for L2 Bridge-Domain, interface assignment. + - Create up to two bridge domains with all implemented functions turned on. + - (flooding, unknown-unicast flooding, forwarding, learning, arp-termination) + - Assign up to two physical interfaces to a single bridge domain. + - Remove interface assignments, remove bridge domains. + - Test case count: 5 +- **L2FIB** - CRD for L2-FIB entries. + - Create 4 FIB entries + - (one of each for filter/forward, static/dynamic combinations). + - Remove FIB entries. + - Test case count: 7 +- **VxLAN** - CRD for VxLAN tunnels. + - Create VxLAN interface. + - Disable VxLAN interface. + - Re-create a disabled VxLAN interface. + - Test case count: 6 +- **VxLAN-GPE** - CRD for VxLAN GPE tunnels. + - Create VxLAN GPE interface. + - Disable VxLAN interface. + - Re-create a disabled VxLAN interface. + - Test case count: 7 +- **Vhost-user** - CRUD for Vhost-user interfaces. + - Create, modify and delete Vhost-user interface, as client and server. + - Test case count: 8 +- **TAP** - CRUD for Tap interface management. + - Create, modify and delete TAP interface. + - Test case count: 3 +- **VLAN** - CRUD for VLAN sub-interface management. + - Create VLAN sub-interface over a physical interface. + - Toggle interface state separately for super-interface and sub-interface. + - Configure IP address and bridge domain assignment on sub-interface. + - Configure VLAN tag rewrite on sub-interface. + - Test case count: 17 +- **ACL** - CRD for low-level classifiers: table and session management, + - interface assignment. + - Configure up to 2 classify tables. + - Configure up to 2 classify sessions on one table. + - Assign classify session to a physical interface. + - Remove tables, sessions, interface assignments. + - Test case count: 9 +- **PBB** - CRD for provider backbone bridge sub-interface. + - Configure, modify and remove a PBB sub-interface over a physical interface. + - Test case count: 9 +- **NSH_SFC** - CRD for NSH maps and entries, using NSH_SFC plugin. + - Configure up to 2 NSH entries. + - Configure up to 2 NSH maps. + - Modify and delete NSH maps and entries. + - Test case count: 8 +- **LISP** - CRD for Lisp: mapping, locator set, adjacency, map resolver. + - Toggle Lisp feature status. + - Configure and delete Lisp mapping as local and remote. + - Configure and delete Lisp adjacency mapping + - Configure and delete Lisp map resolver, proxy ITR. + - Test case count: 11 +- **NAT** - CRD for NAT entries, interface assignment. + - Configure and delete up to two NAT entries. + - Assign NAT entries to a physical interface. + - Test case count: 6 +- **Port mirroring** - CRD for SPAN port mirroring, interface assignment. + - Configure SPAN port mirroring on a physical interface, mirroring + - up to 2 interfaces. + - Remove SPAN configuration from interfaces. + - Test case count: 3 +- **Honeycomb Infractructure** - configuration persistence, + - Netconf notifications for interface events, + - Netconf negative tests aimed at specific issues + +Total 111 Honeycomb tests in the CSIT |release|. + +Operational data in Honeycomb should mirror configuration data at all times. +Because of this, test cases follow this general pattern: + +#. read operational data of the feature using restconf. +#. read status of the feature using VPP API dump. +#. modify configuration of the feature using restconf. +#. verify changes to operational data using restconf. +#. verify changes using VPP API dump. + +Test cases involving network interfaces utilize the first two interfaces on +the DUT node. + +Functional Tests Naming +----------------------- + +CSIT |release| introduced a common structured naming convention for all +performance and functional tests. This change was driven by substantially +growing number and type of CSIT test cases. Firstly, the original practice did +not always follow any strict naming convention. Secondly test names did not +always clearly capture tested packet encapsulations, and the actual type or +content of the tests. Thirdly HW configurations in terms of NICs, ports and +their locality were not captured either. These were but few reasons that drove +the decision to change and define a new more complete and stricter test naming +convention, and to apply this to all existing and new test cases. + +The new naming should be intuitive for majority of the tests. The complete +description of CSIT test naming convention is provided on `CSIT test naming +page `_. + +Here few illustrative examples of the new naming usage for functional test +suites: + +#. **Physical port to physical port - a.k.a. NIC-to-NIC, Phy-to-Phy, P2P** + + - *eth2p-ethip4-ip4base-func.robot* => 2 ports of Ethernet, IPv4 baseline + routed forwarding, functional tests. + +#. **Physical port to VM (or VM chain) to physical port - a.k.a. NIC2VM2NIC, + P2V2P, NIC2VMchain2NIC, P2V2V2P** + + - *eth2p-ethip4vxlan-l2bdbasemaclrn-eth-2vhost-1vm-func.robot* => 2 ports of + Ethernet, IPv4 VXLAN Ethernet, L2 bridge-domain switching to/from two vhost + interfaces and one VM, functional tests.