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authorJose Lausuch <jose.lausuch@ericsson.com>2017-03-01 13:37:13 +0000
committerGerrit Code Review <gerrit@opnfv.org>2017-03-01 13:37:13 +0000
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+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. http://creativecommons.org/licenses/by/4.0
+
+Overview of the Functest suites
+===============================
+
+Functest is the OPNFV project primarily targeting function testing.
+In the Continuous Integration pipeline, it is launched after an OPNFV fresh
+installation to validate and verify the basic functions of the
+infrastructure.
+
+The current list of test suites can be distributed over 5 main domains: VIM
+(Virtualised Infrastructure Manager), Controllers (i.e. SDN Controllers),
+Features, VNF (Virtual Network Functions) and MANO stacks.
+
+Functest test suites are also distributed in the OPNFV testing categories:
+healthcheck, smoke, features, components, performance, VNF, Stress tests.
+
+All the Healthcheck and smoke tests of a given scenario must be succesful to
+validate the scenario for the release.
+
++-------------+---------------+----------------+----------------------------------+
+| Domain | Tier | Test case | Comments |
++=============+===============+================+==================================+
+| VIM | healthcheck | healthcheck | Verify basic operation in VIM |
+| | +----------------+----------------------------------+
+| | | connection | Check OpenStack connectivity |
+| | | _check | through SNAPS framework |
+| | +----------------+----------------------------------+
+| | | api_check | Check OpenStack API through |
+| | | | SNAPS framework |
+| +---------------+----------------+----------------------------------+
+| | smoke | vPing_SSH | NFV "Hello World" using an SSH |
+| | | | connection to a destination VM |
+| | | | over a created floating IP |
+| | | | address on the SUT Public / |
+| | | | External network. Using the SSH |
+| | | | connection a test script is then |
+| | | | copied to the destination |
+| | | | VM and then executed via SSH. |
+| | | | The script will ping another |
+| | | | VM on a specified IP address over|
+| | | | the SUT Private Tenant network. |
+| | +----------------+----------------------------------+
+| | | vPing_userdata | Uses Ping with given userdata |
+| | | | to test intra-VM connectivity |
+| | | | over the SUT Private Tenant |
+| | | | network. The correct operation |
+| | | | of the NOVA Metadata service is |
+| | | | also verified in this test. |
+| | +----------------+----------------------------------+
+| | | tempest_smoke | Generate and run a relevant |
+| | | \_serial | Tempest Test Suite in smoke mode.|
+| | | | The generated test set is |
+| | | | dependent on the OpenStack |
+| | | | deployment environment. |
+| | +----------------+----------------------------------+
+| | | rally_sanity | Run a subset of the OpenStack |
+| | | | Rally Test Suite in smoke mode |
+| | +----------------+----------------------------------+
+| | | snaps_smoke | Run a subset of the OpenStack |
+| | | | Rally Test Suite in smoke mode |
+| +---------------+----------------+----------------------------------+
+| | components | tempest_full | Generate and run a full set of |
+| | | \_parallel | the OpenStack Tempest Test Suite.|
+| | | | See the OpenStack reference test |
+| | | | suite `[2]`_. The generated |
+| | | | test set is dependent on the |
+| | | | OpenStack deployment environment.|
+| | +----------------+----------------------------------+
+| | | rally_full | Run the OpenStack testing tool |
+| | | | benchmarking OpenStack modules |
+| | | | See the Rally documents `[3]`_. |
++-------------+---------------+----------------+----------------------------------+
+| Controllers | smoke | odl | Opendaylight Test suite |
+| | | | Limited test suite to check the |
+| | | | basic neutron (Layer 2) |
+| | | | operations mainly based on |
+| | | | upstream testcases. See below |
+| | | | for details |
+| | +----------------+----------------------------------+
+| | | onos | Test suite of ONOS L2 and L3 |
+| | | | functions. |
+| | | | See `ONOSFW User Guide`_ for |
+| | | | details. |
++-------------+---------------+----------------+----------------------------------+
+| Features | features | promise | Resource reservation and |
+| | | | management project to identify |
+| | | | NFV related requirements and |
+| | | | realize resource reservation for |
+| | | | future usage by capacity |
+| | | | management of resource pools |
+| | | | regarding compute, network and |
+| | | | storage. |
+| | | | See `Promise User Guide`_ for |
+| | | | details. |
+| | +----------------+----------------------------------+
+| | | doctor | Doctor platform, as of Colorado |
+| | | | release, provides the three |
+| | | | features: |
+| | | | * Immediate Notification |
+| | | | * Consistent resource state |
+| | | | awareness for compute host down |
+| | | | * Valid compute host status |
+| | | | given to VM owner |
+| | | | See `Doctor User Guide`_ for |
+| | | | details |
+| | +----------------+----------------------------------+
+| | | bgpvpn | Implementation of the OpenStack |
+| | | | bgpvpn API from the SDNVPN |
+| | | | feature project. It allows for |
+| | | | the creation of BGP VPNs. |
+| | | | See `SDNVPN User Guide`_ for |
+| | | | details |
+| | +----------------+----------------------------------+
+| | | security_scan | Implementation of a simple |
+| | | | security scan. (Currently |
+| | | | available only for the Apex |
+| | | | installer environment) |
+| | +----------------+----------------------------------+
+| | | onos-sfc | SFC testing for onos scenarios |
+| | | | See `ONOSFW User Guide`_ for |
+| | | | details |
+| | +----------------+----------------------------------+
+| | | odl-sfc | SFC testing for odl scenarios |
+| | | | See `SFC User Guide`_ for details|
+| | +----------------+----------------------------------+
+| | | domino | Domino provides TOSCA template |
+| | | | distribution service for network |
+| | | | service and VNF descriptors |
+| | | | among MANO components e.g., |
+| | | | NFVO, VNFM, VIM, SDN-C, etc., |
+| | | | as well as OSS/BSS functions. |
+| | | | See `Domino User Guide`_ for |
+| | | | details |
+| | +----------------+----------------------------------+
+| | | copper | Copper develops OPNFV platform |
+| | | | support for policy management, |
+| | | | using open source projects such |
+| | | | as OpenStack Congress, focused |
+| | | | on helping ensure that virtual |
+| | | | infrastructure and the apps that |
+| | | | execute on it comply with the |
+| | | | configuration policy intent of |
+| | | | service providers, developers, |
+| | | | and end users. See more detail |
+| | | | in the `Copper User Guide`_. |
+| | +----------------+----------------------------------+
+| | | multisites | Multisites |
+| | | | See `Multisite User Guide`_ for |
+| | | | details |
++-------------+---------------+----------------+----------------------------------+
+| VNF | vnf | cloudify_ims | Example of a real VNF deployment |
+| | | | to show the NFV capabilities of |
+| | | | the platform. The IP Multimedia |
+| | | | Subsytem is a typical Telco test |
+| | | | case, referenced by ETSI. |
+| | | | It provides a fully functional |
+| | | | VoIP System |
+| | +----------------+----------------------------------+
+| | | opera_ims | vIMS deployment using openBaton |
+| | +----------------+----------------------------------+
+| | | orchestra_ims | vIMS deployment using open-O |
++ +---------------+----------------+----------------------------------+
+| | | parser | Parser is an integration project |
+| | | | which aims to provide |
+| | | | placement/deployment templates |
+| | | | translation for OPNFV platform, |
+| | | | including TOSCA -> HOT, POLICY ->|
+| | | | TOSCA and YANG -> TOSCA. |
+| | | | See `Parser User Guide`_ for |
+| | | | details |
++-------------+---------------+----------------+----------------------------------+
+
+
+As shown in the above table, Functest is structured into different 'domains',
+'tiers' and 'test cases'. Each 'test case' usually represents an actual
+'Test Suite' comprised -in turn- of several test cases internally.
+
+Test cases also have an implicit execution order. For example, if the early
+'healthcheck' Tier testcase fails, or if there are any failures in the 'smoke'
+Tier testcases, there is little point to launch a full testcase execution round.
+
+In Danube, we merged smoke and sdn controller tiers in smoke tier.
+
+An overview of the Functest Structural Concept is depicted graphically below:
+
+.. figure:: ../images/concepts_mapping_final.png
+ :align: center
+ :alt: Functest Concepts Structure
+
+Some of the test cases are developed by Functest team members, whereas others
+are integrated from upstream communities or other OPNFV projects. For example,
+`Tempest <http://docs.openstack.org/developer/tempest/overview.html>`_ is the
+OpenStack integration test suite and Functest is in charge of the selection,
+integration and automation of those tests that fit suitably to OPNFV.
+
+The Tempest test suite is the default OpenStack smoke test suite but no new test
+cases have been created in OPNFV Functest.
+
+The results produced by the tests run from CI are pushed and collected into a
+NoSQL database. The goal is to populate the database with results from different
+sources and scenarios and to show them on a `Functest Dashboard`_. A screenshot
+of a live Functest Dashboard is shown below:
+
+** TODO **
+.. figure:: ../images/FunctestDashboardDanube.png
+ :align: center
+ :alt: Functest Dashboard
+
+
+Basic components (VIM, SDN controllers) are tested through their own suites.
+Feature projects also provide their own test suites with different ways of
+running their tests.
+
+The notion of domain has been introduced in the description of the test cases
+stored in the Database.
+This parameters as well as possible tags can be used for the Test case catalog.
+
+vIMS test case was integrated to demonstrate the capability to deploy a
+relatively complex NFV scenario on top of the OPNFV infrastructure.
+
+Functest considers OPNFV as a black box. As of Danube release the OPNFV
+offers a lot of potential combinations:
+
+ * 3 controllers (OpenDaylight, ONOS, OpenContrail)
+ * 4 installers (Apex, Compass, Fuel, Joid)
+
+Most of the tests are runnable by any combination, but some tests might have
+restrictions imposed by the utilized installers or due to the available
+deployed features. The system uses the environment variables (INSTALLER_IP and
+DEPLOY_SCENARIO) to automatically determine the valid test cases, for each given
+environment.
+
+A convenience Functest CLI utility is also available to simplify setting up the
+Functest evironment, management of the OpenStack environment (e.g. resource
+clean-up) and for executing tests.
+The Functest CLI organised the testcase into logical Tiers, which contain in
+turn one or more testcases. The CLI allows execution of a single specified
+testcase, all test cases in a specified Tier, or the special case of execution
+of **ALL** testcases. The Functest CLI is introduced in more detail in the
+section `Executing the functest suites`_ of this document.
+
+.. _`[2]`: http://docs.openstack.org/developer/tempest/overview.html
+.. _`[3]`: https://rally.readthedocs.org/en/latest/index.html
+.. _`Copper User Guide`: http://artifacts.opnfv.org/copper/colorado/docs/userguide/index.html
+.. _`Doctor User Guide`: http://artifacts.opnfv.org/doctor/colorado/userguide/index.html
+.. _`Promise User Guide`: http://artifacts.opnfv.org/promise/colorado/docs/userguide/index.html
+.. _`ONOSFW User Guide`: http://artifacts.opnfv.org/onosfw/colorado/userguide/index.html
+.. _`SDNVPN User Guide`: http://artifacts.opnfv.org/sdnvpn/colorado/docs/userguide/index.html
+.. _`Domino User Guide`: http://artifacts.opnfv.org/domino/docs/userguide-single/index.html
+.. _`Parser User Guide`: http://artifacts.opnfv.org/parser/colorado/docs/userguide/index.html
+.. _`Functest Dashboard`: http://testresults.opnfv.org/kibana_dashboards/
+.. _`SFC User Guide`: http://artifacts.opnfv.org/sfc/colorado/userguide/index.html
+.. _`Multisite User Guide`: http://artifacts.opnfv.org/multisite/docs/userguide/index.html