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Draft Deployment: Flask, Apache2 w mod_wsgi.md

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Draft Deployment: Flask, Apache2 w mod_wsgi (ubuntu-18.04)

application user: vagrant

#!/bin/bash -ex


INSTALLER_DIR="/vagrant"
TARGET_DIR="/var/www/html/open-prose-metrics"
APP_OWNER="vagrant"
APP_GROUP="www-data"
LOG_DIR="/var/log/opm"
VENV="/var/www/html/open-prose-metrics/virtualenv"
NER_DIR="/usr/share"
NLTK_DATA_DIR="/usr/share/nltk_data"

# dpkg-reconfigure tzdata (automation?)
ln -fs /usr/share/zoneinfo/US/Eastern /etc/localtime && dpkg-reconfigure -f noninteractive tzdata

# Repository - General
echo "Install from Ubuntu Package Manager"
apt update && apt upgrade -y
apt install -y linux-headers-$(uname -r)
apt install -y apache2 python3 python3-dev python3-pip
apt install -y python3.7 python3.7-dev
apt install -y libenchant-dev unzip openjdk-8-jre-headless
# Repository - depends for pycurl
apt install -y libcurl4-openssl-dev libssl-dev
# Repository - for scipy and numpy
apt install -y libatlas-base-dev
# Repository - possibly required by numpy and scipy
apt install -y libpython3.7 libpython3.7-dev gcc gfortran python-dev libopenblas-dev liblapack-dev cython
# Repository - compiling mod-wsgi for python: dependencies
apt install -y apache2-dev

# Stanford NER (Required by nltk for opm NER)
wget https://nlp.stanford.edu/software/stanford-ner-4.0.0.zip
unzip stanford-ner-4.0.0.zip -d $NER_DIR
chown -R $APP_OWNER:$APP_GROUP $NER_DIR
mv $NER_DIR/stanford-ner-4.0.0 $NER_DIR/stanford-ner


# depends for pycurl
apt install -y libcurl4-openssl-dev libssl-dev
# Pip: system-wide dependencies
echo "Get Pip for Python3.7"
curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
python3.7 get-pip.py
pip3.7 install wheel virtualenv ipython
echo "Create VENV"
virtualenv -p python3.7 $VENV
source $VENV/bin/activate
echo "Install from venv pip"
pip install -r /vagrant/opm/requirements.txt
# opm
echo "Copy App Folder"
cp -r /vagrant/opm $TARGET_DIR/opm # move app folder
#Create and set permissions
echo "Create Files and Directories and Set Permissions"
mkdir /var/log/extraeyes /var/log/opm /home/$APP_OWNER/.plotly
touch /var/log/extraeyes/app.log
chown -R $APP_OWNER:$APP_GROUP /var/log/extraeyes
chown -R $APP_OWNER:$APP_GROUP /var/log/opm
chown -R $APP_OWNER:$APP_GROUP /home/$APP_OWNER/.plotly
chmod 775 /home/$APP_OWNER/.plotly
chown -R $APP_OWNER:$APP_GROUP $TARGET_DIR
#nltk_data
echo "Fetching NLTK data"
python -m nltk.downloader -d /usr/share/nltk_data stopwords words punkt brown vader_lexicon averaged_perceptron_tagger maxent_ne_chunker #for ner
echo "Pre-create Postagger (depends on stanford NER)"
chown -R $APP_OWNER:$APP_GROUP $NER_DIR/stanford-ner
cd $TARGET_DIR/opm && python postagger.py
echo "Seeding Database and Testing Backend"
cd $TARGET_DIR/opm && python seed_database.py
echo "Configuring Apache2"
cp $INSTALLER_DIR/opm-configs/etc/apache2/sites-available/*.conf /etc/apache2/sites-available/
sed -i "s|{{ owner }}|$APP_OWNER|" /etc/apache2/sites-available/opm.conf
sed -i "s|{{ group }}|$APP_GROUP|" /etc/apache2/sites-available/opm.conf
a2dissite 000-default
a2ensite opm.conf
apt clean
#systemctl reload apache2
# END - mod_wsgi will be called
echo "Finished. Next, wsgi-install will be called to compile, install mod_wsgi and reload apache2"

Configure, Make, Install mod_wsgi

cd /vagrant/
unzip /vagrant/4.7.1.zip
cd mod_wsgi-4.7.1/
./configure --with-python=/usr/bin/python3.7
make
make install

#cp /usr/lib/apache2/modules/mod_wsgi.so /etc/apache2/modules/
chmod 644 /usr/lib/apache2/modules/mod_wsgi.so
systemctl reload apache2

http server conf apache2

LoadModule wsgi_module /usr/lib/apache2/modules/mod_wsgi.so
#WSGIPythonHome /var/www/html/open-prose-metrics/virtualenv/bin/python

<VirtualHost *>
        ServerName gonzotraining.com
        ServerAlias opm.gonzotraining.com
        ServerAlias essayeyes.com
        #WSGIDaemonProcess opm user={{ owner }} group={{ group }} threads=5
        WSGIDaemonProcess opm user=vagrant group=www-data threads=5 python-path=/var/www/html/open-prose-metrics/opm:/var/www/html/open-prose-metrics/virtualenv/lib/python3.7/site-packages
        WSGIScriptAlias / /var/www/html/open-prose-metrics/opm/opm.wsgi
        <Directory /var/www/html/open-prose-metrics>
                WSGIProcessGroup opm
                WSGIApplicationGroup %{GLOBAL}
                #Order deny,allow
                Allow from all
        </Directory>
        ErrorLog /var/log/opm/error.log
        #AccessLog /var/log/opm/access.log
</VirtualHost>