devopsweb

Dev Ops Web

Get the code from GITHUB

$ git clone https://github.com/rgdevops123/devopsweb.git
$ cd devopsweb

Install Python 3.6.5

$ sudo yum -y update
$ sudo yum -y install yum-utils

$ sudo yum -y groupinstall development
$ sudo yum -y install openssl-devel postfix sqlite-devel vim wget zlib-devel

$ wget https://github.com/openssl/openssl/archive/OpenSSL_1_0_2l.tar.gz
$ tar -zxvf OpenSSL_1_0_2l.tar.gz 
$ cd openssl-OpenSSL_1_0_2l/

$ ./config shared
$ make
$ sudo make install
$ export LD_LIBRARY_PATH=/usr/local/ssl/lib/

$ cd ..
$ rm OpenSSL_1_0_2l.tar.gz
$ rm -rf openssl-OpenSSL_1_0_2l/

$ wget https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tar.xz
$ tar xJf Python-3.6.5.tar.xz
$ cd Python-3.6.5

$ ./configure
$ make
$ sudo make install

$ cd ..
$ rm Python-3.6.5.tar.xz
$ sudo rm -rf Python-3.6.5

Install Requirements

$ sudo /usr/local/bin/pip3 install -r requirements.txt

============================================

Running th Application

Create a .env.sh file for flask and gunicorn.

$ vim .env.sh
export DEVOPSWEB_CONFIG_MODE=Production
export MAIL_SERVER='you.email.server'
export MAIL_PORT=your-mail-port
export MAIL_USE_TLS=True
export MAIL_USERNAME='your-email@example.com'
export MAIL_PASSWORD='your-password'
export POSTGRES_USER=your-database-user
export POSTGRES_PASSWORD=your-database-password
export POSTGRES_DB=your-database-name
export SECRET_KEY='your-secret-key'
###Use For Development###export SQLALCHEMY_DATABASE_URI='sqlite:////tmp/database.db'
export SQLALCHEMY_TRACK_MODIFICATIONS=False

Create a .env file for docker-compose and docker --env-file option.

$ vim .env
DEVOPSWEB_CONFIG_MODE=Production
MAIL_SERVER=your-mail-server   ###Set to localhost if using local Postfix Mail Server.
MAIL_PORT=your-mail-port
MAIL_USE_TLS=True
MAIL_USERNAME=your-email@example.com
MAIL_PASSWORD=your-password
POSTGRES_USER=your-database-user
POSTGRES_PASSWORD=your-database-password
POSTGRES_DB=your-database-name
SECRET_KEY=your-secret-key
###Use For Development###SQLALCHEMY_DATABASE_URI=sqlite:////tmp/database.db
SQLALCHEMY_TRACK_MODIFICATIONS=False

Source your devopsweb profile file commands "flask" and "gunicorn".

$ . ./.env.sh

Set FLASK APP

$ export FLASK_APP=devopsweb.py
    OR
$ export FLASK_APP=./devopsweb.py
    OR
$ export FLASK_APP=/FULL_PATH_TO/devopsweb.py

Run the Application

   Using gunicorn.
$ /usr/bin/gunicorn --config gunicorn.py devopsweb:app &

   Using flask.
$ flask run --host=0.0.0.0 --port=5000

   Using docker.
$ sudo docker run --env-file .env -d --rm --name devopsweb -p 5000:5000 rgdevops123/devopsweb
    --env-file .env   ### Use .env environment file.
    -d                ### Detached mode: Run the container in the background.
    --rm              ### Automatically remove the container when it exits.
    --name devopsweb  ### Name the Docker container devopsweb.
    -p 5000:5000      ### Publish a container's port. hostPort:containerPort

GOTO: http://127.0.0.1:5000

   Using ansible.
      Startup:
$ ansible -i hosts web --key-file ~/user1.pem -u centos -b \
  -m shell -a "docker run --privileged=true \
  --env DEVOPSWEB_CONFIG_MODE=Test1 -d --rm --name devopsweb \
  -p 5000:5000 rgdevops123/devopsweb"
      Shutdown:
$ ansible -i hosts web --key-file ~/user1.pem -u centos -b \
  -m shell -a "docker rm -f devopsweb"

============================================

Database Migrations

         *** Method 1 ***
   ### Source the environment file.
$ cd ../devopsweb
$ export FLASK_APP=devopsweb.py
$ vim app/models.py
   ### Update Model.
$ flask db init
$ flask db migrate
$ flask db upgrade

         *** Method 2 ***
    ### Source the environment file.
$ cd ../devopsweb
$ export FLASK_APP=devopsweb.py
$ vim app/models.py
   ### Update Model.
$ python3.6 manage.py db init
$ python3.6 manage.py db migrate
$ python3.6 manage.py db upgrade

============================================

Run Tests for the Application.

  ### NOTE: Firefox needs to be installed for the Selenium tests to work.
$ pytest -v --disable-pytest-warnings
   -v                          ### Verbose
   --disable-pytest-warnings   ### Disable pytest warnings.

$ pytest -v --disable-pytest-warnings -k unittests
   -v                          ### Verbose
   --disable-pytest-warnings   ### Disable pytest warnings.
   -k <substring>              ### Only run tests with substring. 

$ nose2 -v -s tests_unittests
   -v                          ### Verbose
   -s START_DIR                ### Directory to start discovery ('.' default)

============================================

Run coverage.py

$ coverage run --source=./app -m pytest -v --disable-pytest-warnings
$ coverage report
$ coverage html