Team: Random Error

Team Members:

1.Ashlesha Shinde.
2.Sairaj Gaonkar.
3.Bhakti Narvekar.

Assignment No. 1:

Documentation

This document provides the instructions to run the application on your machine.

Clone the project

1. Switch to 'assn1' branch.
2. git clone https://github.com/airavata-courses/RandomError.git

Change to project directory

cd RandomError

Running each module:

1. API Broker

This micro-service is the API gateway to interact with other services.

Language used:

Java

Pre-requisites

Any suitable IDE (preferably IntelliJ, Eclipse) to run Java Spring project with Maven Plugin.
RabbitMQ : Please follow the link https://www.rabbitmq.com/download.html

Run the code: Open demo folder in IDE.

run the class 'DemoApplication.java' (src/main/java/com/example/demo/DemoApplication.java)
This will start the service on port 8080.
After starting all the below services visit: http://localhost:8080/homeLogin

2.UserManagement Service:

This micro-service is for registration and login activities.

Language used:

Java

Pre-requisites

Any suitable IDE (preferably IntelliJ, Eclipse) to run Java Spring project with Maven Plugin.
MongoDB Atlas is used as Database.

Run the code: Open UserManagementBacked Folder in IDE.

run the class 'Receiver.java' (com/randomerror/usermanagement/receive/main/Receiver.java)
This will start the service on port 8081.

3. SessionManagement Service:

This micro-service is for storing the sessions and retrieving them.

Language used:

NodeJS

Pre-requisites

Any suitable IDE (preferably Visual Studio Code) to run NodeJS files.
MongoDB Atlas is used as Database.

Install required libraries

Open Command Prompt/Terminal
Move to the directory sessionmanagement-service inside RandomError folder.
Install all the below mentioned packages

npm install --save mongoose
npm install --save express
npm install --save mongodb
npm install --save body-parser
npm install --save amqplib

Run the code

Open Terminal in IDE or open Command Prompt/Terminal
Move to the directory sessionmanagement-service inside RandomError folder.
node savetodb.js

Open Terminal in IDE or open Command Prompt/Terminal
Move to the directory sessionmanagement-service inside RandomError folder.
node sendtoqueue.js

3. Data Retrieval Service and Data Analysis Service:

Language Used:

Python

Install required libraries

Windows

1. Install Anaconda
2. Open Anaconda prompt and go to the path /RandomError
3. Use the link -> https://github.com/ARM-DOE/pyart/wiki/Simple-Install-of-Py-ART-using-Anaconda
    Use commands mentioned in the above link to install pyart
4. pip install pika
5. pip install nexradaws

MacOSX / Linux:

Open the terminal and run the following commands
1. pip install pika
2. pip install nexradaws
3. pip install arm-pyart
4. pip install netCDF4

Run

1. Go the respective folder Open a new Anaconda prompt or the terminal and type "python data_modeling.py"
2. Open a new Anaconda prompt or the terminal and type "python data_retrieval.py"

Result

The final result will be saved in plots folder which is in the root directory of the repository.

Assignment No. 2:

Steps:

1. Switch to branch -> test
2. Make a commit on 'test' branch which will automatically trigger the build on Jenkins.
3. You can check the build progress on -> http://149.165.170.174:8080/ (username:- randomerror, password:-randomerror)
4. After the build is complete, run the UI on -> http://149.165.170.111:30127/
5. To ssh into Kubernetes master use the key 'RandomError-api-key' that is present on branch 'test' and run the following command:-
   • ssh -i RandomError-api-key ubuntu@149.165.170.111
6. Run the following commands on the Kubernetes master (149.165.170.111) to view plots:-
   • kubectl exec -it data-modeling-pod-name -- /bin/bash
   • cd plots
   • ls