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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) OPNFV, Huawei Technologies Co.,Ltd and others.
+
+===========================
+Dovetail Tool Installation
+===========================
+
+Abstract
+########
+
+The Dovetail tool supports installation either directly on the Linux host, or within a Docker container.
+The detailed installation procedure on the Linux host or via the Docker container are shown
+in the following sections.
+
+There is a need to config the following parameters before Dovetail tool
+running on the SUT (System Under Test):
+
+::
+
+  SUT_TYPE, SUT type, e.g., apex, compass, fuel, joid, etc
+  SUT_IP, SUT external network IP, e.g., 192.168.200.2
+  NODE_NAME, this can be shown in the test result for users to see which pod the dovetail tool runs
+  DEPLOY_SCENARIO, deployment scenario, e.g., os-nosdn-nofeature-ha
+  BUILD_TAG, this can be shown in the test result for users to identify logs
+  CI_DEBUG, true for debug information printed and false for not printed
+  DEPLOY_TYPE, baremetal or virtual
+
+Dovetail tool installation on local Linux host environment
+##########################################################
+
+In order to install Dovetail into a local Linux host environment, the following steps should
+be performed:
+
+Downloading Dovetail tool
+--------------------------
+
+Source code downloading:
+
+::
+
+  git clone https://gerrit.opnfv.org/gerrit/dovetail
+
+Environment preparation
+-----------------------
+
+Dovetail configuration:
+
+::
+
+  cd {dovetail_path}/dovetail/conf
+  vim functest_config.yml
+  vim yardstick_config.yml
+
+To modify the ``envs`` parameters, e.g., SUT_TYPE, SUT_IP, NODE_NAME,
+DEPLOY_SCENARIO, BUILD_TAG, CI_DEBUG, DEPLOY_TYPE, in the yml files.
+
+System dependencies are installed via the ``prepare_env.py`` file, and you will need ``sudo``
+access to complete the installation.
+
+::
+
+  cd {dovetail_path}/dovetail/dovetail
+  python prepare_env.py
+
+At this point the environment is now ready for Dovetail execution.
+
+Compliance and certification test cases
+----------------------------------------
+
+The compliance and certification test cases can be defined under the ``/dovetail/cert``
+directory, which is defined in yaml format.
+A sample file named ``basic.yml`` is provided as follows:
+
+::
+
+  certification_basic:
+    name: certification_basic
+    testcase_list:
+      - dovetail.ipv6.tc001
+
+The testcase listed here is dovetail.ipv6.tc001, defined within ``dovetail/testcase``.
+
+Note: if a new test case yaml file is created, its name should start with ``certification_``,
+in similiar fashion as the sample file ``certification_basic``.
+
+Running Dovetail tool
+---------------------
+
+After environment preparation is complete and test cases added, the Dovetail tool can be run with
+
+::
+
+  python run.py --scenario basic
+
+The value ``basic`` passed to the ``scenario`` flag can be replaced with the test cases yaml file.
+If not argument is given, the basic scenario will be run as the default.
+
+Running Dovetail in a Docker container
+########################################
+
+The Dovetail tool can be run in a Docker container by utilizing the following steps:
+
+Pull Dovetail Docker image from public Dockerhub
+------------------------------------------------
+
+::
+
+  sudo docker pull opnfv/dovetail:<Tag>
+
+<Tag> here is the version, 'latest' is used for the master branch.
+
+Dovetail Docker container creation
+----------------------------------
+
+Next, create the ``dovetail-docker-env`` file to define the environment parameters ::
+
+  INSTALLER_TYPE=compass
+  INSTALLER_IP=192.168.200.2
+  DEPLOY_TYPE=baremetal
+  DEPLOY_SCENARIO=ha-nosdn
+  CI_DEBUG=true
+
+Then to instantiate the Dovetail Docker container, execute::
+
+    sudo docker run --privileged=true --rm -t \
+         --env-file dovetail-docker-env \
+         -v /home/opnfv/dovetail/results:/home/opnfv/dovetail/results \
+         -v /var/run/docker.sock:/var/run/docker.sock \
+         --name <Dovetail_Container_Name> \
+         opnfv/dovetail:<Tag> /bin/bash
+
+To attach dovetail container and Running test cases
+----------------------------------------------------
+
+Before connecting to the container, you can check the container status by running ::
+
+   docker ps -a
+
+Attach to the container by starting it and obtaining a bash prompt with ::
+
+   docker exec -it <Dovetail_Container_Name> bash
+
+Inside the container the following commands can be executed to trigger the testcases ::
+
+   cd /home/opnfv/dovetail/dovetail
+   python run.py --scenario basic
+
+Results Output
+###############
+
+The running log is stored in ``/home/opnfv/dovetail/results/dovetail.log``.
+The certification report is stored in ``/home/opnfv/dovetail/results/dovetail_report.txt``.