adding development.md

Signed-off-by: Kuralamudhan Ramakrishnan <kuralamudhan.ramakrishnan@intel.com>
Change-Id: I9d295c7ae9f530c2000ec4404ad417532376efa3

1 files changed, 91 insertions, 0 deletions

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+# Developer Information
+
+## How to build the ovn4nfv?
+
+ovn4nfv-k8s-plugin is maintained in opnfv gerrit repositry.[https://gerrit.opnfv.org/gerrit/admin/repos/ovn4nfv-k8s-plugin](
+https://gerrit.opnfv.org/gerrit/admin/repos/ovn4nfv-k8s-plugin)
+
+The github page [github.com/opnfv/ovn4nfv-k8s-plugin](https://github.com/opnfv/ovn4nfv-k8s-plugin/)
+is github mirror repository for the user.
+
+Contributor login with Linux Foundation ID into [https://gerrit.opnfv.org/gerrit/admin/repos/ovn4nfv-k8s-plugin](https://gerrit.opnfv.org/gerrit/admin/repos/ovn4nfv-k8s-plugin)
+and add their ssh key or use the LF username and password
+
+###How to build ovn4nfv entity?
+
+Before packaging the ovn4nfv images, please make sure your feature request or
+modification are compliable as follows:
+
+```
+git clone https://github.com/opnfv/ovn4nfv-k8s-plugin.git
+make all
+```
+
+you can use gerrit anonymous http clone or clone with commit-msg hook. Above example show the clone with github
+
+There are 3 components within the ovn4nfv-k8s-plugin - nfn-operator, ovn4nfvk8s-cni & nfn-agent.
+
+All these components can be modified and build separately using the commands -  `make nfn-operator`, `make ovn4nfvk8s-cni` &
+`make nfn-agent`
+
+All the components can be cleaned with `make clean`
+
+###How to run the CI tests?
+
+ovn4nfv-k8s-plugin has go unit test for all golang package. For CNI testing is based on ginkgo framework.
+The following command run the unit tests and it is intergrated with opnfv gerrit review to give +1
+
+```
+make test
+```
+
+###How to build docker images?
+
+The ovn4nfv project has 2 major docker images for ovn/ovs operations and network
+controller. The ovn4nfv currently support and tested in ubuntu and centos distro.
+In this documentation, developer get the information regarding how to build and
+package the docker images
+
+- ovn dockerfile is maintained for centos and ubuntu package in the `utilities/docker` folder
+- ovn4nfv k8s plugin dockerfile is maintained for centos and ubuntu in the `build` folder
+
+#### ubuntu distro
+Build the ovn-images
+```
+pushd utilities/docker && \
+docker build --no-cache --rm -t integratedcloudnative/ovn-images:master . -f debian/Dockerfile && \
+popd
+```
+Build the ovn4nfv-k8s-plugin images
+```
+docker build --no-cache --rm -t integratedcloudnative/ovn4nfv-k8s-plugin:master . -f build/Dockerfile && \
+```
+
+docker images are tagged with intergratedcloudnative dockerhub.
+For development purpose use your private dockerhub, if planning to test k8s deployment is more than one node.
+
+#### centos distro
+Build the ovn-images
+```
+pushd utilities/docker && \
+docker build --no-cache --rm -t integratedcloudnative/ovn-images:master . -f centos/Dockerfile && \
+popd
+```
+Build the ovn4nfv-k8s-plugin images
+```
+docker build --no-cache --rm -t integratedcloudnative/ovn4nfv-k8s-plugin:master . -f build/Dockerfile.centos && \
+```
+
+###How to deploy the compiled ovn4nfv docker images in k8s cluster?
+
+K8s yaml files in the `deploy` folder use that stable release of the ovn-images and ovn4nfv-k8s-plugin.
+Please change the images in the yaml, if you deploying your compiled ovn4nfv images
+
+Please follow the steps - [quickstart-installation-guide](https://github.com/opnfv/ovn4nfv-k8s-plugin#quickstart-installation-guide)
+
+For the kubespray change the ansible variable - `ovn4nfv_ovn_image_version`, `ovn4nfv_k8s_plugin_image_version`,
+`ovn4nfv_ovn_image_repo`, `ovn4nfv_k8s_plugin_image_repo` in the kubespray `roles/download/defaults/main.yml`
+
+###How to test the compiled ovn4nfv docker images in k8s cluster?
+
+Please follow the steps -[Todo](Todo)