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Save4Life Vumi JavaScript sandbox application

Development

Application states are defined in /src/app.js, test are in /test/*.js.

Run grunt to build the final application

Running the application

To run the application you will need docker. Dockerfile specifies a docker image that will run this application using the Vumi JavaScript sandbox worker. You will need running Redis, RabbitMQ, Junebug, PostgreSQL and Save4Life HTTP API containers.

RabbitMQ

RabbitMQ is used by Vumi to pass messages between transports and workers and by the HTTP API for asynchronous tasks.

Run the latest rabbitmq image from https://hub.docker.com and setup a host, user and permissions to use

docker exec -it vumienv_rabbitmq_1 rabbitmqctl add_vhost /guest
docker exec -it vumienv_rabbitmq_1 rabbitmqctl add_user guest guest
docker exec -it vumienv_rabbitmq_1 rabbitmqctl set_permissions -p /guest guest '.*' '.*' '.*'

Redis

Run the latest Redis image from https://hub.docker.com

Junebug

Run the praekeltfoundation/junebug/ docker image from https://hub.docker.com with the following environment variables:

REDIS_HOST=redis
AMQP_HOST=rabbitmq
AMQP_VHOST=/

the following port mappings:

"8001:80"
"8080:8080"
"9010:9010"
"9011:9011"

and linked to the redis and RabbitMQ containers as redis and rabbitmq respectively.

Create a USSD channel and outgoing SMS channel using curl:

Command to create USSD channel:

curl -X POST \                                                              
   -d '{
    "type": "telnet",
    "label": "My First Channel",
    "amqp_queue": "ussd_transport",
    "config": {"twisted_endpoint": "tcp:9010"}
    }' \
http://localhost:8080/channels/

Command to create outgoing SMS channel:

curl -X POST \
    -d '{
        "type": "telnet",
        "label": "SMS channel",
        "amqp_queue": "incoming_sms",
        "config": {"twisted_endpoint": "tcp:9011"} 
    }' \
http://localhost:8080/channels/

Copy the link of the channel created, since you will need the address below when running the HTTP API image.

PostgreSQL

Run the latest postgres:9.3 image from https://hub.docker.com and create a user and database for the API to use:

docker exec -it vumienv_postgres_1 psql -U postgres
CREATE USER save4life PASSWORD 'password';
CREATE DATABASE save4life with owner save4life;

HTTP API

Run the latest image from https://hub.docker.com with the following environment variables:

DATABASE_URL=postgres://save4life:password@postgres:5432/save4life
BROKER_URL=amqp://guest:guest@rabbitmq//
JUNEBUG_SMS_URL=http://junebug:8080/channels/202ae5bc-0be8-4390-8ab7-37fc691f4e9b/messages/
AIRTIME_TERMINAL_NUMBER=
AIRTIME_MSISDN=
AIRTIME_PIN=
AIRTIME_WSDL_URL=

The JUNEBUG_SMS_URL depends on the output of the curl command you used to setup the outgoing SMS channel on Junebug. You need to get the AIRTIME_ variables from your WASP partner.

Link the container to the PostgreSQL, Junebug and RabbitMQ containers as postgres, rabbitmq and junebug respectively.

Vumi go JavaScript sandbox worker

You can build a new docker image using the Dockerfile or get the latest image from Docker Hub. Run the image using the following environment variables:

AMQP_HOST=rabbitmq
VUMI_OPT_transport_name=ussd_transport

and link to RabbitMQ, Redis and the HTTP API as rabbitmq, redis and api respectively.

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