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Running Lab Data Service on Developement Environment

Creation of Virtual Environment

  1. clone lab-data-service from github 
    git clone http://github.com/vlead/lab-data-service.git
  2. Install Virtual Environment 
    sudo pip install virtualenv
  3. Create Virtual Environment in the lab-data-service directory 
    cd lab-data-service
git checkout develop
virtualenv venv
  4. Activate the Virtual Environment 
    source venv/bin/activate

Setting up dependencies

  1. Run make file in lab-data-service. 
    make

    Note: Test cases will fail at this point because there are no dependencies installed. Proceed to next step to install dependencies.

  2. Install mysql and apache2 if not already installed on your machine otherwise skip this step. 
    sudo apt-get install mysql-server
sudo apt-get install apache2
  3. Install all the dependencies for running the lds applciation. run the setup.py file, available at build/code/deployment/. 
    cd build/code/deployment/
python setup.py install

    Note : If you found error something like error:Couldn't find a setup script in/tmp/easy_install-oTRjpD/oursql-0.9.3.2.linux-i686.tar.gz please execute below steps otherwise skip

    sudo apt-get install libmysqlclient-dev python-dev
mkdir oursql
cd oursql
wget https://pypi.python.org/packages/8c/88/9f53a314a2af6f56c0a1249c5673ee384b85dc791bac5c1228772ced3502/oursql-0.9.3.2.tar.gz#md5=ade5959a6571b1626966d47f3ab2d315
tar xvf oursql-0.9.3.2.tar.gz
cd oursql-0.9.3.2
python setup.py install

Set SQLALCHEMY_DATABASE_URI

The variable SQLALCHEMY_DATABASE_URI has to be set to value in build/code/runtime/config/flask_app_config.py so that the application can use the database.

SQLALCHEMY_DATABASE_URI = 'mysql+oursql://root:<password>@localhost/lds'

Creation of database

  1. Login to mysql 
    mysql -u <username> -p<password>
  2. Show all databases 
    show databases;
  3. Drop database lds if already present. Otherwise skip this step 
    drop database lds;
  4. Create database lds. 
    create database lds;
  5. Exit out of the mysql console 
    ctrl+c
  6. Get the latest mysql dump file from the files server. http://files.vlabs.ac.in/lds 
    wget http://files.vlabs.ac.in/lds/<lds-latest-dump-19-12-2017>.sql
  7. Restore Dump in Database
mysql -u root -p<db-password> <db-name> < <dumpfile.sql>

Run the application

The application can now be run from the build/code/runtime/rest/ directory

cd build/code/
export PYTHONPATH=$(pwd)
cd runtime/rest/
python app.py

Access the application

The application is accessed at http://localhost:5000

API Documentation

URL : REST APIS