X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=docs%2Fdeveloper-guide.rst;h=f2db426ac82c21fb0268810a272f8ca4418a475f;hb=6a289e8ccf5816ac6b5de417d6edffcb7b024471;hp=5e18ca561e7aabda76163dd7fd4673a37c04df04;hpb=14d016e5551fdc203770dd8f4eac4724152e4848;p=ric-plt%2Fa1.git diff --git a/docs/developer-guide.rst b/docs/developer-guide.rst index 5e18ca5..f2db426 100644 --- a/docs/developer-guide.rst +++ b/docs/developer-guide.rst @@ -1,8 +1,8 @@ .. This work is licensed under a Creative Commons Attribution 4.0 International License. .. http://creativecommons.org/licenses/by/4.0 -A1 Developer Guide -================== +Developer Guide +=============== .. contents:: :depth: 3 @@ -11,76 +11,41 @@ A1 Developer Guide Tech Stack ---------- -- OpenAPI3 -- Connexion -- Flask with Gevent serving -- Python3.8 +The A1 Mediator is implemented in Golang. -Version bumping A1 ------------------- -This project follows semver. When changes are made, the versions are in: +Running A1 Standalone +--------------------- -1) ``docs/release-notes.rst`` +The A1 container can be run standalone, which means using an in-memory mock +version of SDL and a static route table. The host machine must have the RMR +library and the environment must define the variable `prometheus_multiproc_dir` +with a value like /tmp. Alternately, use the following command to run A1 as +a Docker container, using a route table mounted as a file from this git +repository and exposing the server's HTTP port on the Docker host:: -2) ``setup.py`` + docker run -e USE_FAKE_SDL=True -p 10000:10000 -v `pwd`:/opt/route [DOCKER_IMAGE_ID_HERE] -3) ``container-tag.yaml`` +Then test the server with an invocation such as this:: -4) ``integration_tests/a1mediator/Chart.yaml`` + curl localhost:10000/a1-p/healthcheck -5) ``a1/openapi.yaml`` (this is an API version, not a software version; no need to bump on patch changes) - -6) in the ric-plt repo that contains a1 helm chart, ``values.yaml``, ``Chart.yml`` - - -Version bumping RMR -------------------- - -As of 2020/02/13, A1 (Dockerfile), Dockerfile-Unit-Test, and all three integration test receivers use a base image from o-ran-sc. -The rmr version is in that base image. -When version changes are made in that image, rebuilding those 5 containers in the A1 repo will pick it up (or just A1 itself for prod usage). - -However, there are two items in this repo that must be kept in sync: ``rmr-version.yaml``, which controls what rmr gets installed for unit testing in Jenkins, and ``integration_tests/install_rmr.sh`` which is a useful script for a variety of local testing. - -Version bumping Python ----------------------- - -If you want to update the version of python itself (ie just done from 37 to 38): - -1) ``Dockerfile`` - -2) ``Dockerfile-Unit-Test`` - -3) ``tox.ini`` - -Unit Testing ------------- - -Note, before this will work, for the first time on the machine running the tests, run ``./install_deps.sh``. This is only needed once on the machine. -Also, this requires the python packages ``tox`` and ``pytest``. - -:: - - tox - open htmlcov/index.html - -Alternatively, you can run the unit tests in Docker (this is somewhat less nice because you don't get the pretty HTML) - -:: - - docker build --no-cache -t a1test:latest -f Dockerfile-Unit-Test Integration testing ------------------- -This tests A1’s external API with three test receivers. This depends on helm+k8s. +This tests A1’s external API with three test receivers. This requires +docker, kubernetes and helm. -Build all the containers: +Build all the images: :: - docker build -t a1:latest .; cd integration_tests/; docker build -t testreceiver:latest . -f Dockerfile-test-delay-receiver; docker build -t queryreceiver:latest . -f Dockerfile-query-receiver; cd .. + docker build -t a1:latest . + cd integration_tests/testxappcode + docker build -t delayreceiver:latest -f Dockerfile-delay-receiver . + docker build -t queryreceiver:latest -f Dockerfile-query-receiver . + docker build -t testreceiver:latest -f Dockerfile-test-receiver . Then, run all the tests from the root (this requires the python packages ``tox``, ``pytest``, and ``tavern``). @@ -90,8 +55,9 @@ Then, run all the tests from the root (this requires the python packages ``tox`` tox -c tox-integration.ini This script: -1. Deploys 3 helm charts (5 containers) into a local kubernetes installation -2. Port forwards a pod ClusterIP to localhost -3. Uses “tavern” to run some tests against the server -4. Barrages the server with apache bench -5. Tears everything down + +#. Deploys 3 helm charts (5 containers) into a local kubernetes installation +#. Port forwards a pod ClusterIP to localhost +#. Uses “tavern” to run some tests against the server +#. Barrages the server with Apache bench +#. Tears everything down