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authorGary Wu <gary.i.wu@huawei.com>2017-10-02 21:12:48 +0000
committerGerrit Code Review <gerrit@onap.org>2017-10-02 21:12:48 +0000
commit369456a65be077f107c8931006875c9f48ea2012 (patch)
treea474bcfa33e256813761928740807e98b7ef3850
parent0479ef193320b6ca55d76d002581e9257792d1d9 (diff)
parentee2fc0504dd62752cd091ca6164cbdea7d63e513 (diff)
Merge "Add docs for Vagrant ONAP example usages"
-rw-r--r--bootstrap/vagrant-onap/doc/source/features/example_usage.rst138
-rw-r--r--bootstrap/vagrant-onap/doc/source/features/features.rst1
2 files changed, 139 insertions, 0 deletions
diff --git a/bootstrap/vagrant-onap/doc/source/features/example_usage.rst b/bootstrap/vagrant-onap/doc/source/features/example_usage.rst
new file mode 100644
index 000000000..fc5f8b39d
--- /dev/null
+++ b/bootstrap/vagrant-onap/doc/source/features/example_usage.rst
@@ -0,0 +1,138 @@
+=================================================
+Example usage to bring up a developer environment
+=================================================
+
+In the example, we will bring up a single ONAP component using the Vagrant ONAP
+tool.
+
+There are multiple scenarios in which this tool can be made use of by a
+developer, they usually fall in the following use cases.
+
+Use case 1: Use Vagrant ONAP to just clone project related source code
+----------------------------------------------------------------------
+
+In this use case, the developer needs just the source code of the project to work on.
+
+Since the Vagrant ONAP project supports building docker containers and compiling
+source files, we need to first edit the settings.yaml file to add key value pairs
+indicating we need to only clone repo and not build docker image or compile then.
+By default, Vagrant ONAP clones repo, but to not run the build process and cloning
+docker images, the following are required to be added in the settings file.
+
+.. code-block:: console
+
+ skip_get_images: "True"
+
+.. end
+
+The reason this is done is because as mentioned in the
+`configure execution docs. <https://git.onap.org/integration/tree/bootstrap/vagrant-onap/doc/source/features/configure_execution.rst>`,
+the default values taken are:
+
+.. code-block:: console
+
+ 'build_image' => 'True',
+ 'clone_repo' => 'True',
+ 'compile_repo' => 'False',
+ 'enable_oparent' => 'True',
+ 'skip_get_images' => 'False',
+ 'skip_install' => 'True'
+
+.. end
+
+We override them and skip_get_images is given precedence over build_image.
+
+Use case 2: Use Vagrant ONAP to clone project related source code and clone Docker Images
+-----------------------------------------------------------------------------------------
+
+In this use case, the developer needs to clone docker images of the project to work on.
+
+For this case, we will edit the settings.yaml file to add key value pairs indicating we
+need to clone repo and clone docker image from Nexus.
+
+.. code-block:: console
+
+ build_images: "False"
+ compile_repo: "True"
+ skip_get_images: "False"
+ skip_install: "True"
+
+.. end
+
+Use case 3: Use Vagrant ONAP to clone project related source code and build Docker Images locally
+-------------------------------------------------------------------------------------------------
+
+In this use case, the developer needs to build docker images of the project to work on.
+
+For this case, we will edit the settings.yaml file to add key value pairs indicating we need to
+clone repo and build docker image locally and not fetch them from Nexus.
+
+.. code-block:: console
+
+ build_images: "True"
+ compile_repo: "True"
+ skip_get_images: "False"
+ skip_install: "True"
+
+.. end
+
+Use case 4: Use Vagrant ONAP to clone project related source code and build Docker Images and start services
+------------------------------------------------------------------------------------------------------------
+
+In this use case, the developer needs to build docker images of the project he or
+she wanted to work on and start the services running inside them.
+
+For this case, we will edit the settings.yaml file to add key value pairs indicating
+we need to clone repo, compile repo, build docker image and run the image.
+
+.. code-block:: console
+
+ build_images: "True"
+ compile_repo: "True"
+ skip_get_images: "False"
+ skip_install: "False"
+
+.. end
+
+Once the required changes to the settings file is added, we can use the run.sh
+script in tools directory to setup the development environment.
+
+Example steps for setting up a development environment for VFC project.
+-----------------------------------------------------------------------
+
+In this example we will be using vagrant ONAP to get all the source code of VFC
+project and the developer can point the IDE to the cloned repo in the ./opt directory
+and start the development process.
+
+.. code-block:: console
+
+ $ ./tools/run.sh vfc
+
+.. end
+
+At the end of the setup process, all the VFC related source code will be present
+in the vagrant-onap/opt/ directory. The developer can point an IDE to this directory
+and start contributing. When the changes are done, the developer can SSH into the VM
+running VFC and tests can be executed by running Maven for Java and Tox for Python
+from the ~/opt/vfc directory.
+
+.. code-block:: console
+
+ $ vagrant ssh vfc
+ $ cd ~/opt/vfc/<vfc-subrepo>
+ $ tox -e py27
+
+.. end
+
+This way the tool helps the developer to clone repos of a particular project,
+without having to manually search for repos and setup an environment.
+
+Also, if something gets messed up in the VM, the developer can tear down the VM
+and spin a fresh one without having to lose the changes made to the source code since
+the ./opt files are in sync from the host to the VM.
+
+.. code-block:: console
+
+ $ vagrant destroy vfc
+
+.. end \ No newline at end of file
diff --git a/bootstrap/vagrant-onap/doc/source/features/features.rst b/bootstrap/vagrant-onap/doc/source/features/features.rst
index d35c595df..2f88c52e7 100644
--- a/bootstrap/vagrant-onap/doc/source/features/features.rst
+++ b/bootstrap/vagrant-onap/doc/source/features/features.rst
@@ -10,6 +10,7 @@ Advanced features
openstack.rst
consuming_scripts.rst
configure_execution.rst
+ example_usage.rst
This chapter explains how to use ONAP on Vagrant Advanced features
like different providers.