imicros-flow-context

Moleculer service for process instances context store

All values are encrypted before stored in cassandra database.

Installation

$ npm install imicros-flow-context --save

Dependencies / Requirements

Requires broker middleware AclMiddleware or similar (usage of AclMixin):

• imicros-acl

Reuires a running key server for retrieving the owner encryption keys:

• imicros-keys

Requires a running cassandra node/cluster.

Usage

const { ServiceBroker } = require("moleculer");
const { Context } = require("imicros-flow-context");

broker = new ServiceBroker({
    logger: console
});
broker.createService(Streams, Object.assign({ 
    settings: { 
        cassandra: {
            contactPoints: process.env.CASSANDRA_CONTACTPOINTS || "127.0.0.1", 
            keyspace: process.env.CASSANDRA_KEYSPACE || "imicros"
        }
    }
}));
broker.start();

Actions

• add { instance, key, value } => { true|false }
• get { instance, key } => { value }
• remove { instance, key } => { true|false }