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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
+
+==================================
+OPNFV FUNCTEST Configuration Guide
+==================================
+
+.. toctree::
+ :numbered:
+ :maxdepth: 2
+
+Version history
+===============
+
++------------+----------+------------------+----------------------------------+
+| **Date** | **Ver.** | **Author** | **Comment** |
+| | | | |
++------------+----------+------------------+----------------------------------+
+| 2016-08-17 | 1.0.0 | Juha Haapavirta | Colorado release |
+| | | Column Gaynor | |
++------------+----------+------------------+----------------------------------+
+| 2017-01-19 | 1.0.1 | Morgan Richomme | Adaptations for Danube |
+| | | | * update testcase list |
+| | | | * update docker command |
++------------+----------+------------------+----------------------------------+
+
+Introduction
+============
+This document describes how to install and configure Functest in OPNFV.
+The Functest CLI is utilized during the Functest environment preparation
+step. The given example commands should work in both virtual and bare
+metal cases alike.
+
+High level architecture
+-----------------------
+
+The high level architecture of Functest within OPNFV can be described as
+follows::
+
+ CIMC/Lights+out management Admin Mgmt/API Public Storage Private
+ PXE
+ + + + + + +
+ | | | | | |
+ | +----------------------------+ | | | | |
+ | | | | | | | |
+ +-----+ Jumphost | | | | | |
+ | | +--------+ | | | |
+ | | | | | | | |
+ | | +--------------------+ | | | | | |
+ | | | | | | | | | |
+ | | | Tools | +----------------+ | | |
+ | | | - Rally | | | | | | |
+ | | | - Robot | | | | | | |
+ | | | - TestON | | | | | | |
+ | | | | |-------------------------+ | |
+ | | | Testcases | | | | | | |
+ | | | - VIM | | | | | | |
+ | | | -- healthcheck | | | | | | |
+ | | | -- vPing_ssh | | | | | | |
+ | | | -- vPing_userdata | | | | | | |
+ | | | -- SNAPS_cases | | | | | | |
+ | | | -- Tempest_smoke | | | | | | |
+ | | | -- Rally_sanity | | | | | | |
+ | | | -- Tempest_full | | | | | | |
+ | | | -- Rally_full | | | | | | |
+ | | | | | | | | | |
+ | | | - SDN Controller | | | | | | |
+ | | | -- odl | | | | | | |
+ | | | -- onos | | | | | | |
+ | | | | | | | | | |
+ | | | - Features | | | | | | |
+ | | | | | | | | | |
+ | | | - VNF | | | | | | |
+ | | | | | | | | | |
+ | | +--------------------+ | | | | | |
+ | | Functest Docker + | | | | |
+ | | | | | | | |
+ | | | | | | | |
+ | | | | | | | |
+ | +----------------------------+ | | | | |
+ | | | | | |
+ | +----------------+ | | | | |
+ | | 1 | | | | | |
+ +----+ +--------------+-+ | | | | |
+ | | | 2 | | | | | |
+ | | | +--------------+-+ | | | | |
+ | | | | 3 | | | | | |
+ | | | | +--------------+-+ | | | | |
+ | | | | | 4 | | | | | |
+ | +-+ | | +--------------+-+ | | | | |
+ | | | | | 5 +-------------+ | | | |
+ | +-+ | | nodes for | | | | | |
+ | | | | deploying +---------------------+ | | |
+ | +-+ | OPNFV | | | | | |
+ | | | +------------------------------+ | |
+ | +-+ SUT | | | | | |
+ | | +--------------------------------------+ |
+ | | | | | | | |
+ | | +----------------------------------------------+
+ | +----------------+ | | | | |
+ | | | | | |
+ + + + + + +
+ SUT = System Under Test
+
+All the libraries and dependencies needed by all of the Functest tools
+are pre-installed into the Docker image. This allows running Functest
+on any platform on any Operating System.
+
+The automated mechanisms inside the Functest Docker container will:
+
+ * Retrieve OpenStack credentials
+ * Prepare the environment according to the SUT
+ * Perform the appropriate functional tests
+ * Push the test results into the OPNFV test result database
+
+This Docker image can be integrated into CI or deployed independently.
+
+Please note that the Functest Docker container has been designed for
+OPNFV, however, it would be possible to adapt it to any VIM + controller
+environment, since most of the test cases are integrated from upstream
+communities.
+
+The functional test cases are described in the Functest User Guide `[2]`_
+
+
+Prerequisites
+=============
+The OPNFV deployment is out of the scope of this document but it can be
+found in http://docs.opnfv.org.
+The OPNFV platform is considered as the System Under Test (SUT) in this
+document.
+
+Several prerequisites are needed for Functest:
+
+ #. A Jumphost to run Functest on
+ #. A Docker daemon shall be installed on the Jumphost
+ #. A public/external network created on the SUT
+ #. An admin/management network created on the SUT
+ #. Connectivity from the Jumphost to the SUT public/external network
+ #. Connectivity from the Jumphost to the SUT admin/management network
+
+WARNING: Connectivity from Jumphost is essential and it is of paramount
+importance to make sure it is working before even considering to install
+and run Functest. Make also sure you understand how your networking is
+designed to work.
+
+NOTE: **Jumphost** refers to any server which meets the previous
+requirements. Normally it is the same server from where the OPNFV
+deployment has been triggered previously.
+
+NOTE: If your Jumphost is operating behind a company http proxy and/or
+Firewall, please consult first the section `Proxy Support`_, towards
+the end of this document. The section details some tips/tricks which
+*may* be of help in a proxified environment.
+
+Docker installation
+-------------------
+Docker installation and configuration is only needed to be done once
+through the life cycle of Jumphost.
+
+If your Jumphost is based on Ubuntu, RHEL or CentOS linux, please
+consult the references below for more detailed instructions. The
+commands below are offered as a short reference.
+
+*Tip:* For running docker containers behind the proxy, you need first
+some extra configuration which is described in section
+`Docker Installation on CentOS behind http proxy`_. You should follow
+that section before installing the docker engine.
+
+Docker installation needs to be done as root user. You may use other
+userid's to create and run the actual containers later if so desired.
+Log on to your Jumphost as root user and install the Docker Engine
+(e.g. for CentOS family)::
+
+ curl -sSL https://get.docker.com/ | sh
+ systemctl start docker
+
+ *Tip:* If you are working through proxy, please set the https_proxy
+ environment variable first before executing the curl command.
+
+Add your user to docker group to be able to run commands without sudo::
+
+ sudo usermod -aG docker <your_user>
+
+A reconnect is needed. There are 2 ways for this:
+ #. Re-login to your account
+ #. su - <username>
+
+References - Installing Docker Engine on different Linux Operating Systems:
+ * Ubuntu_
+ * RHEL_
+ * CentOS_
+
+.. _Ubuntu: https://docs.docker.com/engine/installation/linux/ubuntulinux/
+.. _RHEL: https://docs.docker.com/engine/installation/linux/rhel/
+.. _CentOS: https://docs.docker.com/engine/installation/linux/centos/
+
+Public/External network on SUT
+------------------------------
+Some of the tests against the VIM (Virtual Infrastructure Manager) need
+connectivity through an existing public/external network in order to
+succeed. This is needed, for example, to create floating IPs to access
+VM instances through the public/external network (i.e. from the Docker
+container).
+
+By default, the four OPNFV installers provide a fresh installation with
+a public/external network created along with a router. Make sure that
+the public/external subnet is reachable from the Jumphost.
+
+*Hint:* For the given OPNFV Installer in use, the IP sub-net address
+used for the public/external network is usually a planning item and
+should thus be known. Consult the OPNFV Configuration guide `[4]`_, and
+ensure you can reach each node in the SUT, from the Jumphost using the
+'ping' command using the respective IP address on the public/external
+network for each node in the SUT. The details of how to determine the
+needed IP addresses for each node in the SUT may vary according to the
+used installer and are therefore ommitted here.
+
+Connectivity to Admin/Management network on SUT
+-----------------------------------------------
+Some of the Functest tools need to have access to the OpenStack
+admin/management network of the controllers `[1]`_.
+
+For this reason, check the connectivity from the Jumphost to all the
+controllers in cluster in the OpenStack admin/management network range.
+
+Installation and configuration
+==============================
+
+.. include:: ./configguide.rst
+
+Integration in CI
+=================
+In CI we use the Docker image and execute the appropriate commands within the
+container from Jenkins.
+
+Docker creation in set-functest-env builder `[3]`_::
+
+ envs="-e INSTALLER_TYPE=${INSTALLER_TYPE} -e INSTALLER_IP=${INSTALLER_IP} -e NODE_NAME=${NODE_NAME}"
+ [...]
+ docker pull opnfv/functest:$DOCKER_TAG >/dev/null
+ cmd="sudo docker run -id ${envs} ${volumes} ${custom_params} ${TESTCASE_OPTIONS} opnfv/functest:${DOCKER_TAG} /bin/bash"
+ echo "Functest: Running docker run command: ${cmd}"
+ ${cmd} >${redirect}
+ sleep 5
+ container_id=$(docker ps | grep "opnfv/functest:${DOCKER_TAG}" | awk '{print $1}' | head -1)
+ echo "Container ID=${container_id}"
+ if [ -z ${container_id} ]; then
+ echo "Cannot find opnfv/functest container ID ${container_id}. Please check if it is existing."
+ docker ps -a
+ exit 1
+ fi
+ echo "Starting the container: docker start ${container_id}"
+ docker start ${container_id}
+ sleep 5
+ docker ps >${redirect}
+ if [ $(docker ps | grep "opnfv/functest:${DOCKER_TAG}" | wc -l) == 0 ]; then
+ echo "The container opnfv/functest with ID=${container_id} has not been properly started. Exiting..."
+ exit 1
+ fi
+
+ cmd="python ${FUNCTEST_REPO_DIR}/functest/ci/prepare_env.py start"
+ echo "Executing command inside the docker: ${cmd}"
+ docker exec ${container_id} ${cmd}
+
+
+Test execution in functest-all builder `[3]`_::
+
+ branch=${GIT_BRANCH##*/}
+ echo "Functest: run $FUNCTEST_SUITE_NAME on branch ${branch}"
+ cmd="functest testcase run $FUNCTEST_SUITE_NAME"
+ fi
+ container_id=$(docker ps -a | grep opnfv/functest | awk '{print $1}' | head -1)
+ docker exec $container_id $cmd
+ ret_value=$?
+ exit $ret_value
+
+Docker clean in functest-cleanup builder `[3]`_ calling docker rm and docker rmi
+
+
+References
+==========
+.. _`[1]`: https://ask.openstack.org/en/question/68144/keystone-unable-to-use-the-public-endpoint/
+.. _`[2]`: http://artifacts.opnfv.org/functest/docs/userguide/index.html
+.. _`[3]`: https://git.opnfv.org/cgit/releng/tree/jjb/functest/functest-ci-jobs.yml
+.. _`[4]`: http://artifacts.opnfv.org/functest/danube/docs/configguide/index.html
+
+
+OPNFV main site: opnfvmain_.
+
+OPNFV functional test page: opnfvfunctest_.
+
+IRC support channel: #opnfv-functest
+
+.. _opnfvmain: http://www.opnfv.org
+.. _opnfvfunctest: https://wiki.opnfv.org/functest