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diff --git a/docs/development/overview/index.rst b/docs/development/overview/index.rst index c7c9e7f..279d4a1 100644 --- a/docs/development/overview/index.rst +++ b/docs/development/overview/index.rst @@ -21,3 +21,211 @@ definition of the related semantics. The BGPVPN framework supports a backend driver model with currently available drivers for Bagpipe, OpenContrail, Nuage and OpenDaylight. The OPNFV scenario makes use of the OpenDaylight driver and backend implementation through the ODL NetVirt project. + +==================== +SDNVPN Testing Suite +==================== + +An overview of the SDNVPN Test is depicted here. More details for each test case are provided: +https://wiki.opnfv.org/display/sdnvpn/SDNVPN+Testing + + BGPVPN Tempest test cases + Create BGPVPN passes + Create BGPVPN as non-admin fails + Delete BGPVPN as non-admin fails + Show BGPVPN as non-owner fails + List BGPVPNs as non-owner fails + Show network associated BGPVPNs as non-owner fails + List network associated BGPVPNs as non-owner fails + Associate/Deassociate a network to a BGPVPN resource passes + Update route targets on a BGPVPN passes + Update route targets on a BGPVPN as non-admin fails + Reject the creation of BGPVPN with invalid route targets passes + Reject the update of BGPVPN with invalid route targets passes + Reject the association on an invalid network to a BGPVPN passes + Reject the diassociation on an invalid network to a BGPVPN passes + Associate/Deassociate a router to a BGPVPN resource passes + Attach the subnet of an associated network to an associated router of the same BGVPN passes + + + + Functest scenario specific tests: + + Test Case 1 - VPN provides connectivity between subnets, using network association + Name: VPN connecting Neutron networks and subnets + Description: VPNs provide connectivity across Neutron networks and subnets if configured accordingly. + + Test setup procedure: + Set up VM1 and VM2 on Node1 and VM3 on Node2, all having ports in the same Neutron Network N1 + Moreover all ports have 10.10.10/24 addresses (this subnet is denoted SN1 in the following) + Set up VM4 on Node1 and VM5 on Node2, both having ports in Neutron Network N2 + Moreover all ports have 10.10.11/24 addresses (this subnet is denoted SN2 in the following) + + Test execution: + Create VPN1 with eRT<>iRT (so that connected subnets should not reach each other) + Associate SN1 to VPN1 + Ping from VM1 to VM2 should work + Ping from VM1 to VM3 should work + Ping from VM1 to VM4 should not work + Associate SN2 to VPN1 + Ping from VM4 to VM5 should work + Ping from VM1 to VM4 should not work (disabled until isolation fixed upstream) + Ping from VM1 to VM5 should not work (disabled until isolation fixed upstream) + Change VPN 1 so that iRT=eRT + Ping from VM1 to VM4 should work + Ping from VM1 to VM5 should work + + Test Case 2 - tenant separation + Name: Using VPNs for tenant separation + Description: Using VPNs to isolate tenants so that overlapping IP address ranges can be used + + Test setup procedure: + Set up VM1 and VM2 on Node1 and VM3 on Node2, all having ports in the same Neutron Network N1. + VM1 and VM2 have IP addresses in a subnet SN1 with range 10.10.10/24 + VM1: 10.10.10.11, running an HTTP server which returns "I am VM1" for any HTTP request + (or something else than an HTTP server) + VM2: 10.10.10.12, running an HTTP server which returns "I am VM2" for any HTTP request + VM3 has an IP address in a subnet SN2 with range 10.10.11/24 + VM3: 10.10.11.13, running an HTTP server which returns "I am VM3" for any HTTP request + Set up VM4 on Node1 and VM5 on Node2, both having ports in Neutron Network N2 + VM4 has an address in a subnet SN1b with range 10.10.10/24 + VM4: 10.10.10.12 (the same as VM2), running an HTTP server which returns "I am VM4" for any HTTP request + VM5 has an address in a subnet SN2b with range 10.10.11/24 + VM5: 10.10.11.13 (the same as VM3), running an HTTP server which returns "I am VM5" for any HTTP request + + Test execution: + Create VPN 1 with iRT=eRT=RT1 and associate N1 to it + HTTP from VM1 to VM2 and VM3 should work + It returns "I am VM2" and "I am VM3" respectively + HTTP from VM1 to VM4 and VM5 should not work + It never returns "I am VM4" or "I am VM5" + Create VPN2 with iRT=eRT=RT2 and associate N2 to it + HTTP from VM4 to VM5 should work + It returns "I am VM5" + HTTP from VM4 to VM1 and VM3 should not work + It never returns "I am VM1" or "I am VM3" + + + Test Case 3 - Data Center Gateway integration + Name: Data Center Gateway integration + Description: Investigate the peering functionality of BGP protocol, + using a Zrpcd/Quagga router and OpenDaylight Controller + + Test setup procedure: + Search in the pool of nodes and find one Compute node and one Controller nodes, that have OpenDaylight controller running + Start an instance using ubuntu-16.04-server-cloudimg-amd64-disk1.img image and in it run the Quagga setup script + Start bgp router in the Controller node, using odl:configure-bgp + + Test execution: + Set up a Quagga instance in a nova compute node + Start a BGP router with OpenDaylight in a controller node + Add the Quagga running in the instance as a neighbor + Check that bgpd is running + Verify that the OpenDaylight and gateway Quagga peer each other + Start an instance in a second nova compute node and connect it with a new network, (Network 3-3). + Create a bgpvpn (include parameters route-distinguisher and route-targets) and associate it with the network created + Define the same route-distinguisher and route-targets on the simulated quagga side + Check that the routes from the Network 3-3 are advertised towards simulated Quagga VM + + Test Case 4 - VPN provides connectivity between subnets using router association + Functest: variant of Test Case 1. + Set up a Router R1 with one connected network/subnet N1/S1. + Set up a second network N2. + Create VPN1 and associate Router R1 and Network N2 to it. + Hosts from N2 should be able to reach hosts in N1. + + Name: VPN connecting Neutron networks and subnets using router association + Description: VPNs provide connectivity across Neutron networks and subnets if configured accordingly. + + Test setup procedure: + Set up VM1 and VM2 on Node1 and VM3 on Node2, + All VMs have ports in the same Neutron Network N1 and 10.10.10/24 addresses + (this subnet is denoted SN1 in the following). + N1/SN1 are connected to router R1. + Set up VM4 on Node1 and VM5 on Node2, + Both VMs have ports in Neutron Network N2 and having 10.10.11/24 addresses + (this subnet is denoted SN2 in the following) + + Test execution: + Create VPN1 with eRT<>iRT (so that connected subnets should not reach each other) + Associate R1 to VPN1 + Ping from VM1 to VM2 should work + Ping from VM1 to VM3 should work + Ping from VM1 to VM4 should not work + Associate SN2 to VPN1 + Ping from VM4 to VM5 should work + Ping from VM1 to VM4 should not work + Ping from VM1 to VM5 should not work + Change VPN1 so that iRT=eRT + Ping from VM1 to VM4 should work + Ping from VM1 to VM5 should work + + Test Case 7 - Network associate a subnet with a router attached to a VPN and + verify floating IP functionality (disabled, because of ODL Bug 6962) + + A test for https://bugs.opendaylight.org/show_bug.cgi?id=6962 + + Setup procedure: + Create VM1 in a subnet with a router attached. + Create VM2 in a different subnet with another router attached. + Network associate them to a VPN with iRT=eRT + Ping from VM1 to VM2 should work + Assign a floating IP to VM1 + Pinging the floating IP should work + + Test Case 8 - Router associate a subnet with a router attached to a VPN and + verify floating IP functionality + + Setup procedure: + Create VM1 in a subnet with a router which is connected with the gateway + Create VM2 in a different subnet without a router attached. + Assoc the two networks in a VPN iRT=eRT + One with router assoc, other with net assoc + Try to ping from one VM to the other + Assign a floating IP to the VM in the router assoc network + Ping it + + Test Case 9 - Check fail mode in OVS br-int interfaces + This testcase checks if the fail mode is always “secure”. + To accomplish it, a check is performed on all OVS br-int interfaces, for all OpenStack nodes. + The testcase is considered as successful if all OVS br-int interfaces have fail_mode=secure + + + Test Case 10 - Check the communication between a group of VMs + This testcase investigates if communication between a group of VMs is interrupted upon deletion + and creation of VMs inside this group. + + Test case flow: + Create 3 VMs: VM_1 on compute 1, VM_2 on compute 1, VM_3 on compute 2. + All VMs ping each other. + VM_2 is deleted. + Traffic is still flying between VM_ 1 and VM_3. + A new VM, VM_ 4 is added to compute 1. + Traffic is not interrupted and VM_4 can be reached as well. + + + Testcase 11: test Opendaylight resync and group_add_mod feature mechanisms + This is testcase to test Opendaylight resync and group_add_mod feature functionalities + + Sub-testcase 11-1: + Create and start 2 VMs, connected to a common Network. + New groups should appear in OVS dump + OVS disconnects and the VMs and the networks are cleaned. + The new groups are still in the OVS dump, + cause OVS is not connected anymore, so it is not notified that the groups are deleted + OVS re-connects. + The new groups should be deleted, as Opendaylight has to resync the groups totally and + should remove the groups since VMS are deleted. + + Sub-testcase 11-2: + Create and start 2 VMs, connected to a common Network. + New groups should appear in OVS dump + OVS disconnects. + The new groups are still in the OVS dump, cause OVS is not connected anymore, + so it is not notified that the groups are deleted + OVS re-connects. + The new groups should be still there, as the topology remains. Opendaylight Carbon's + group_add_mod mechanism should handle the already existing group. + OVS re-connects. + The new groups should be still there, as the topology remains. + Opendaylight Carbon’ group_add_mod mechanism should handle the already existing group. |