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Service Manager

This tool is deprecated. Use service-manager-2 instead.


Developing with lots of microservices often draws complaints from the eventual complexity for the developer. i.e. 10 different services to start that are constantly evolving, owned by different teams and using different technologies... What if there was a way to manage this so you can just get on with your work...

Introducing Service Manager

A set of utilities to run applications and micro services during the development and testing phase, and make development easier in a micro service environment.

Common use cases / Getting started

  • For a list of commands type sm --help
  • For current run status type sm -s
  • Start service using binaries: sm --start SERVICE_NAME
  • Start a specific version using binaries: sm --start SERVICE_NAME -r 1.2.3
  • Open service log file: sm --logs SERVICE_NAME (stderr.txt can be found in the same directory)

Adding a new application

Modify your services.json file

The application automatically looks for your config in $WORKSPACE/service-manager-config

You can change this directly in $WORKSPACE/service-manager-config to test your changes locally

Add a new application at the bottom of the services.json. There are plenty of examples of how to do this by looking at existing entries

SM Server

Service Manager also has a feature for allowing integration tests

Run smserver and it will run a service that can fire up services on demand

API

Path Supported Methods Description
/ping GET
/start POST
/stop POST
/version_variable GET

Development setup

This repo uses tox to simplify testing and packaging.

First, ensure you have tox and all other dependencies installed:

pipenv install

You can check with pipenv run tox --version

Running the tests

To run the tests is simply:

pipenv run tox

Alternatively, you can launch pytest manually (without tox) with:

pipenv run python py.test -v -s test/

Some of the tests pull down large repositories. To skip these online tests, you can use markers: pipenv run python py.test -v -m "not online" -s test/

If you are using tox for local development, you can similarly edit the py.test command in tox.ini with suitable marker flags.

The unit tests and integration tests are in separate subfolders, so can also be selected independently

Releasing a new version

If in the HMRC org, there are build jobs setup to handle the release for you, see here: https://github.com/hmrc/service-manager/wiki/Releasing-servicemanager These notes are just for completeness.

Releasing is also setup via tox, and using twine

First set env vars for the release repository:

export TWINE_REPOSITORY_URL=<yourrepo>
export TWINE_USERNAME=<username>
export TWINE_PASSWORD=<password>
tox -e release

N.B. for uploading to test.pypi.org and pypi.org, the username will always be __token__ and the password should be an API token that you have generated in the account

License

This code is open source software licensed under the Apache 2.0 License.