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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+.. (c) Huawei Technologies Co.,Ltd
+
+=====================================================
+Dynamic Network Runtime Operations test specification
+=====================================================
+
+.. toctree::
+ :maxdepth: 2
+
+Scope
+=====
+
+The dynamic network runtime operations test area evaluates the ability of the
+system under test to support dynamic network runtime operations through the
+life of a VNF (e.g. attach/detach, enable/disable, read stats).
+The tests in this test area will evaluate IPv4 network runtime operations
+functionality. These runtime operations includes hotpluging network interface,
+detaching floating-ip from VM, attaching floating-ip to VM, updating subnet's
+DNS, updating VM instance port admin state and updating router admin state.
+
+References
+==========
+
+- DNS
+
+ - https://docs.openstack.org/newton/networking-guide/config-dns-res.html
+
+Definitions and abbreviations
+=============================
+
+The following terms and abbreviations are used in conjunction with this test
+area
+
+- API - Application Programming Interface
+- DNS - Domain Name System
+- ICMP - Internet Control Message Protocol
+- MAC - Media Access Control
+- NIC - Network Interface Controller
+- NFVi - Network Functions Virtualization infrastructure
+- SSH - Secure Shell
+- TCP - Transmission Control Protocol
+- VIM - Virtual Infrastructure Manager
+- VM - Virtual Machine
+
+System Under Test (SUT)
+=======================
+
+The system under test is assumed to be the NFVi and VIM in operation on a
+Pharos compliant infrastructure.
+
+Test Area Structure
+===================
+
+The test area is structured based on dynamic network runtime operations. Each
+test case is able to run independently, i.e. irrelevant of the state created by
+a previous test. Specifically, every test performs clean-up operations which
+return the system to the same state as before the test.
+
+Test Descriptions
+=================
+
+API Used and Reference
+----------------------
+
+Security Groups: https://developer.openstack.org/api-ref/network/v2/index.html#security-groups-security-groups
+
+- create security group
+- delete security group
+
+Networks: https://developer.openstack.org/api-ref/networking/v2/index.html#networks
+
+- create network
+- delete network
+
+Routers and interface: https://developer.openstack.org/api-ref/networking/v2/index.html#routers-routers
+
+- create router
+- update router
+- delete router
+- add interface to router
+
+Subnets: https://developer.openstack.org/api-ref/networking/v2/index.html#subnets
+
+- create subnet
+- update subnet
+- delete subnet
+
+Servers: https://developer.openstack.org/api-ref/compute/
+
+- create keypair
+- create server
+- delete server
+- add/assign floating IP
+- disassociate floating IP
+
+Ports: https://developer.openstack.org/api-ref/networking/v2/index.html#ports
+
+- create port
+- update port
+- delete port
+
+Floating IPs: https://developer.openstack.org/api-ref/networking/v2/index.html#floating-ips-floatingips
+
+- create floating IP
+- delete floating IP
+
+--------------------------------------
+Test Case 1 - Basic network operations
+--------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_network_basic_ops
+
+Test preconditions
+------------------
+
+* Nova has been configured to boot VMs with Neutron-managed networking
+* Openstack nova, neutron services are available
+* One public network
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a security group SG1, which has rules for allowing
+ incoming SSH and ICMP traffic
+* Test action 2: Create a neutron network NET1
+* Test action 3: Create a tenant router R1 which routes traffic to public network
+* Test action 4: Create a subnet SUBNET1 and add it as router interface
+* Test action 5: Create a server VM1 with SG1 and NET1, and assign a floating
+ IP FIP1 (via R1) to VM1
+* **Test assertion 1:** Ping FIP1 and SSH to VM1 via FIP1 successfully
+* **Test assertion 2:** Ping the internal gateway from VM1 successfully
+* **Test assertion 3:** Ping the default gateway from VM1 using its floating IP
+ FIP1 successfully
+* Test action 6: Detach FIP1 from VM1
+* **Test assertion 4:** VM1 becomes unreachable after FIP1 disassociated
+* Test action 7: Create a new server VM2 with NET1, and associate floating IP FIP1 to VM2
+* **Test assertion 5:** Ping FIP1 and SSH to VM2 via FIP1 successfully
+* Test action 8: Delete SG1, NET1, SUBNET1, R1, VM1, VM2 and FIP1
+
+Pass / fail criteria
+''''''''''''''''''''
+
+This test evaluates the functionality of basic network operations.
+Specifically, the test verifies that:
+
+* The Tempest host can ping VM's IP address. This implies, but does not
+ guarantee (see the ssh check that follows), that the VM has been assigned the
+ correct IP address and has connectivity to the Tempest host.
+
+* The Tempest host can perform key-based authentication to an ssh server hosted
+ at VM's IP address. This check guarantees that the IP address is associated
+ with the target VM.
+
+* The Tempest host can ssh into the VM via the IP address and successfully ping
+ the internal gateway address, implying connectivity to another VM on the same network.
+
+* The Tempest host can ssh into the VM via the IP address and successfully ping
+ the default gateway, implying external connectivity.
+
+* Detach the floating-ip from the VM and VM becomes unreachable.
+
+* Associate attached floating ip to a new VM and the new VM is reachable.
+
+* Floating IP status is updated correctly after each change.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+---------------------------------------
+Test Case 2 - Hotplug network interface
+---------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_hotplug_nic
+
+Test preconditions
+------------------
+
+* Nova has been configured to boot VMs with Neutron-managed networking
+* Compute interface_attach feature is enabled
+* VM vnic_type is not set to 'direct' or 'macvtap'
+* Openstack nova, neutron services are available
+* One public network
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a security group SG1, which has rules for allowing
+ incoming SSH and ICMP traffic
+* Test action 2: Create a neutron network NET1
+* Test action 3: Create a tenant router R1 which routes traffic to public network
+* Test action 4: Create a subnet SUBNET1 and add it as router interface
+* Test action 5: Create a server VM1 with SG1 and NET1, and assign a floating
+ IP FIP1 (via R1) to VM1
+* **Test assertion 1:** Ping FIP1 and SSH to VM1 with FIP1 successfully
+* Test action 6: Create a second neutron network NET2 and subnet SUBNET2, and
+ attach VM1 to NET2
+* Test action 7: Get VM1's ethernet interface NIC2 for NET2
+* **Test assertion 2:** Ping NET2's internal gateway successfully
+* Test action 8: Delete SG1, NET1, NET2, SUBNET1, SUBNET2, R1, NIC2, VM1 and FIP1
+
+Pass / fail criteria
+''''''''''''''''''''
+
+This test evaluates the functionality of adding network to an active VM.
+Specifically, the test verifies that:
+
+* New network interface can be added to an existing VM successfully.
+
+* The Tempest host can ssh into the VM via the IP address and successfully ping
+ the new network's internal gateway address, implying connectivity to the new network.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+-------------------------------------------
+Test Case 3 - Update subnet's configuration
+-------------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_subnet_details
+
+Test preconditions
+------------------
+
+* Nova has been configured to boot VMs with Neutron-managed networking
+* DHCP client is available
+* Tenant networks should be non-shared and isolated
+* Openstack nova, neutron services are available
+* One public network
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a security group SG1, which has rules for allowing
+ incoming SSH and ICMP traffic
+* Test action 2: Create a neutron network NET1
+* Test action 3: Create a tenant router R1 which routes traffic to public network
+* Test action 4: Create a subnet SUBNET1 and add it as router interface,
+ configure SUBNET1 with dns nameserver '1.2.3.4'
+* Test action 5: Create a server VM1 with SG1 and NET1, and assign a floating
+ IP FIP1 (via R1) to VM1
+* **Test assertion 1:** Ping FIP1 and SSH to VM1 with FIP1 successfully
+* **Test assertion 2:** Retrieve the VM1's configured dns and verify it matches
+ the one configured for SUBNET1
+* Test action 6: Update SUBNET1's dns to '9.8.7.6'
+* **Test assertion 3:** After triggering the DHCP renew from the VM manually,
+ retrieve the VM1's configured dns and verify it has been successfully updated
+* Test action 7: Delete SG1, NET1, SUBNET1, R1, VM1 and FIP1
+
+Pass / fail criteria
+''''''''''''''''''''
+
+This test evaluates the functionality of updating subnet's configurations.
+Specifically, the test verifies that:
+
+* Updating subnet's DNS server configurations are affecting the VMs.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+----------------------------------------
+Test Case 4 - Update VM port admin state
+----------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_update_instance_port_admin_state
+
+Test preconditions
+------------------
+
+* Nova has been configured to boot VMs with Neutron-managed networking
+* Network port_admin_state_change feature is enabled
+* Openstack nova, neutron services are available
+* One public network
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a security group SG1, which has rules for allowing
+ incoming SSH and ICMP traffic
+* Test action 2: Create a neutron network NET1
+* Test action 3: Create a tenant router R1 which routes traffic to public network
+* Test action 4: Create a subnet SUBNET1 and add it as router interface
+* Test action 5: Create a server VM1 with SG1 and NET1, and assign a floating
+ IP FIP1 (via R1) to VM1
+* Test action 6: Create a server VM2 with SG1 and NET1, and assign a floating
+ IP FIP2 to VM2
+* Test action 7: Get a SSH client SSHCLNT1 to VM2
+* **Test assertion 1:** Ping FIP1 and SSH to VM1 with FIP1 successfully
+* **Test assertion 2:** Ping FIP1 via SSHCLNT1 successfully
+* Test action 8: Update admin_state_up attribute of VM1 port to False
+* **Test assertion 3:** Ping FIP1 and SSH to VM1 with FIP1 failed
+* **Test assertion 4:** Ping FIP1 via SSHCLNT1 failed
+* Test action 9: Update admin_state_up attribute of VM1 port to True
+* **Test assertion 5:** Ping FIP1 and SSH to VM1 with FIP1 successfully
+* **Test assertion 6:** Ping FIP1 via SSHCLNT1 successfully
+* Test action 10: Delete SG1, NET1, SUBNET1, R1, SSHCLNT1, VM1, VM2 and FIP1, FIP2
+
+Pass / fail criteria
+''''''''''''''''''''
+
+This test evaluates the VM public and project connectivity status by changing VM port
+admin_state_up to True & False. Specifically, the test verifies that:
+
+* Public and project connectivity is reachable before updating admin_state_up
+ attribute of VM port to False.
+
+* Public and project connectivity is unreachable after updating admin_state_up
+ attribute of VM port to False.
+
+* Public and project connectivity is reachable after updating admin_state_up
+ attribute of VM port from False to True.
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A
+
+---------------------------------------
+Test Case 5 - Update router admin state
+---------------------------------------
+
+Test case specification
+-----------------------
+
+tempest.scenario.test_network_basic_ops.TestNetworkBasicOps.test_update_router_admin_state
+
+Test preconditions
+------------------
+
+* Nova has been configured to boot VMs with Neutron-managed networking
+* Multi-tenant networks capabilities
+* Openstack nova, neutron services are available
+* One public network
+
+Basic test flow execution description and pass/fail criteria
+------------------------------------------------------------
+
+Test execution
+''''''''''''''
+
+* Test action 1: Create a security group SG1, which has rules for allowing
+ incoming SSH and ICMP traffic
+* Test action 2: Create a neutron network NET1
+* Test action 3: Create a tenant router R1 which routes traffic to public network
+* Test action 4: Create a subnet SUBNET1 and add it as router interface
+* Test action 5: Create a server VM1 with SG1 and NET1, and assign a floating
+ IP FIP1 (via R1) to VM1
+* **Test assertion 1:** Ping FIP1 and SSH to VM1 with FIP1 successfully
+* Test action 6: Update admin_state_up attribute of R1 to False
+* **Test assertion 2:** Ping FIP1 and SSH to VM1 with FIP1 failed
+* Test action 7: Update admin_state_up attribute of R1 to True
+* **Test assertion 3:** Ping FIP1 and SSH to VM1 with FIP1 successfully
+* Test action 8: Delete SG1, NET1, SUBNET1, R1, VM1 and FIP1
+
+Pass / fail criteria
+''''''''''''''''''''
+
+This test evaluates the router public connectivity status by changing
+router admin_state_up to True & False.
+Specifically, the test verifies that:
+
+* Public connectivity is reachable before updating admin_state_up attribute of router to False.
+
+* Public connectivity is unreachable after updating admin_state_up attribute of router to False.
+
+* Public connectivity is reachable after updating admin_state_up attribute of router.
+ from False to True
+
+In order to pass this test, all test assertions listed in the test execution above need to pass.
+
+Post conditions
+---------------
+
+N/A