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setup.sh
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#!/bin/bash
# create virtual environment to install desired packages (i.e. flask & extensions)
# Credit: Nick Rizzo's Personal Project: https://github.com/NRizzoInc/texting-and-emailing-agent/blob/develop/install/setup.sh
[[ "$OSTYPE" == "msys" || "$OSTYPE" == "cygwin" ]] && isWindows=true || isWindows=false
# if linux, need to check if using correct permissions
if [[ "${isWindows}" = false ]]; then
if [ "$EUID" -ne 0 ]; then
echo "Please run as root ('sudo')"
exit
fi
fi
# CLI Flags
print_flags () {
echo "========================================================================================================================="
echo "Usage: setup.sh"
echo "========================================================================================================================="
echo "Helper utility to setup everything to use this repo"
echo "========================================================================================================================="
echo "How to use:"
echo " To Start: ./setup.sh [flags]"
echo "========================================================================================================================="
echo "Available Flags (mutually exclusive):"
echo " -a | --install-all (default): If used, install everything (recommended for fresh installs)"
echo " -p | --python-packages: Update virtual environment with current python packages (this should be done on pulls)"
echo " -s | --deploy-services: Deploy the source code to enable the system service to run (only works on Ubuntu)"
echo " -h | --help: This message"
echo "========================================================================================================================="
}
# parse command line args
installPkgs=false
deployServices=false
function install_all () {
installPkgs=true
deployServices=true
}
if [[ $# = 0 ]]; then
install_all
fi
while [[ "$#" -gt 0 ]]; do
case $1 in
-a | --install-all )
install_all
break
;;
-p | --python-packages )
installPkgs=true
;;
-s | --deploy-services )
deployServices=true
;;
-h | --help )
print_flags
exit 0
;;
* )
echo "... Unrecognized Command: $1"
print_flags
exit 1
esac
shift
done
THIS_FILE_DIR="$(readlink -fm $0/..)"
virtualEnvironName="library-venv"
rootDir="$(readlink -fm "${THIS_FILE_DIR}"/..)"
srcDir="$(readlink -fm ${rootDir}/..)"
backendDir="${srcDir}/backend"
installDir="${rootDir}/install"
virtualEnvironDir="${rootDir}/${virtualEnvironName}"
pythonVersion=3.9
pipLocation="" # make global
pythonLocation="" # global (changed based on OS)
# check OS... (decide how to activate virtual environment)
echo "#1 Setting up virtual environment"
if [[ ${isWindows} = true ]]; then
if [[ ${installPkgs} = true ]]; then
# windows
echo "#1.1 Checking Python Version"
# windows specific way to choose correct version of python... sigh
currVersionText=$(py -3 --version)
currVersionMinor=$(echo "$currVersionText" | awk '{print $2}')
currVersion=$(echo "${currVersionMinor}" | sed -r 's/\.[0-9]$//') # strips away minor version (3.7.2 -> 3.7)
echo "Using python${currVersion} to build virtual environment"
if [[ ${pythonVersion} != ${currVersion} ]]; then
echo "WARNING: Wrong version of python being used. Expects python${pythonVersion}. This might affect results"
fi
echo "#1.2 Creating Virtual Environment"
py -3 -m venv "${virtualEnvironDir}" # actually create the virtual environment
"${virtualEnvironDir}/Scripts/activate"
pipLocation="$virtualEnvironDir/Scripts/pip3.exe"
echo "#1.3 Getting Path to Virtual Environment's Python"
pythonLocation="${virtualEnvironDir}/Scripts/python.exe"
echo "-- pythonLocation: ${pythonLocation}"
fi
else
if [[ ${installPkgs} = true ]]; then
# linux
# needed to get specific versions of python
pythonName=python${pythonVersion}
echo "#1.1 Adding python ppa"
add-apt-repository -y ppa:deadsnakes/ppa
echo "#1.2 Updating..."
apt update -y
echo "#1.3 Upgrading..."
apt upgrade -y
apt install -y \
${pythonName} \
${pythonName}-venv
echo "#1.4 Creating Virtual Environment"
${pythonName} -m venv "${virtualEnvironDir}" # actually create the virtual environment
source "${virtualEnvironDir}/bin/activate"
pipLocation="${virtualEnvironDir}/bin/pip${pythonVersion}"
echo "#1.4.1 Getting Path to Virtual Environment's Python"
pythonLocation="${virtualEnvironDir}/bin/python" # NOTE: don't use ".exe"
echo "-- pythonLocation: ${pythonLocation}"
fi
fi
if [[ ${installPkgs} = true ]]; then
# update pip to latest
echo "#2 Upgrading pip to latest"
"${pythonLocation}" -m pip install --upgrade pip
# now pip necessary packages
echo "#3 Installing all packages"
"${pipLocation}" install -r "${installDir}/requirements.txt"
fi
if [[ ${deployServices} = true ]]; then
if [[ "${isWindows}" = false ]]; then
echo "============= #4 Deploying Service ============="
echo "#4.1 Creating user/group for database/service"
# randomly generate mysql password (required)
symbols=("!" "-" "*" "+" "@" "#" "%" "^" ".")
s1=${symbols[ RANDOM % ${#symbols[@]} ]}
mysql_rand_pwd=$(date +%s | sha256sum | base64 | head -c 32 ; echo)${s1}${2}
mysql_user="full_stack_lib"
useradd "${mysql_user}"
mysql -e "DROP USER IF EXISTS ${mysql_user}"
mysql -e "CREATE USER '${mysql_user}'@'localhost' IDENTIFIED BY '${mysql_rand_pwd}'"
mysql -e "GRANT ALL PRIVILEGES ON libsystem.* TO '${mysql_user}'@'localhost';"
echo "#4.2 Exporting Path to Source Code"
# make environment variable for path global (if already exists -> replace it, but keep backup)
# https://serverfault.com/a/413408 -- safest way to create & use environment vars with services
environDir=/etc/sysconfig
environFile=${environDir}/full-stack-library-env
echo "Environment File: ${environFile}"
mkdir -p ${environDir}
touch ${environFile}
# create backup & save new version with updated path
echo "#4.3 Deploying Service Environment File"
# remove past lines
mv "${environFile}" "${environFile}.bkp"
# root_dir_pat="/full_stack_lib_root_dir=/d"
# mysql_access_pat="/mysql_access=/d"
# mysql_pwd_pat="/mysql_pwd=/d"
# sed -i.bak "${root_dir_pat};${mysql_access_pat};${mysql_pwd_pat}" ${environFile}
# add new current lines
touch "${environFile}"
echo "full_stack_lib_root_dir=${rootDir}" >> "${environFile}"
echo "mysql_access=${mysql_user}" >> "${environFile}"
echo "mysql_pwd=${mysql_rand_pwd}" >> "${environFile}"
source ${environFile}
echo "#4.4 Deploying Service File"
serviceFileName=full-stack-library.service
sysServiceDir=/etc/systemd/system
localServiceFileDir="${installDir}${sysServiceDir}"
localServiceFile="${localServiceFileDir}/${serviceFileName}"
cp "${localServiceFile}" "${sysServiceDir}/"
echo "-- Deployed ${localServiceFile} -> ${sysServiceDir}/${serviceFileName}"
echo "#4.5 Starting Service"
# stop daemon to allow reload
systemctl stop ${serviceFileName}
# refresh service daemons
systemctl daemon-reload
systemctl start ${serviceFileName}
# Make Daemons Persistent for Boot
echo "#4.6 Making Service Start at Boot"
systemctl enable ${serviceFileName}
echo "============= #4 Done Deploying Service ============="
else # dont deploy service
echo "Please run the start.sh or start.bat files at the top level of the project."
fi
fi