Microservices Without Headaches
simple-pyms: Python Microservices Without The Headaches
Simple PyMS (SPMS) provides base class abstractions for a very simple microservice architecture. Currently SPMS provides a baseline component that sends heartbeats and a monitor component that tracks microservices and their statuses based on these heartbeats.
What Does It Do?
SPMS makes creating microservices (WAMP Components) and monitoring them easy. There are two components to deal with - Monitor and Microservice. Monitor monitors Service instances.
So, create a single Monitor instance and one or more Microservice instances. Connect them to the router and you have a poor man's microservice architecture.
Configuring Your Wamp Router
To configure your wamp router, you will need to setup roles for your components.
Each microservice component will need to have permissions setup properly for
the microservice uri:
permissions: # Microservice activities - uri: py.ms match: prefix allow: call: true register: true publish: true subscribe: true
Creating A Simple Component
from simplepyms.microservice import mk_component from autobahn.twisted.component import run component = mk_component('component-name', 'ws://localhost:8080/ws', 'realm') run(component)
The code above creates a component that has stop, restart and heartbeat notification built in. Add functionality to make your component more meaningful.
from simplepyms.microservice import mk_component from autobahn.twisted.component import run component = mk_component('component-name', 'ws://localhost:8080/ws', 'realm') @component.register('py.ms.add') def add(a, b): return a + b run(component)
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