init-proton.sh

#!/bin/bash

# BSD 3-Clause License
#
# Copyright (c) 2018, Pruthvi Kumar All rights reserved.
#
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# following conditions are met:
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# disclaimer.
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# Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
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## @Author: Pruthvi Kumar
## @Email: pruthvikumar.123@gmail.com
## @Desc: Script to check and set all vitals required by proton platform.!

echo -e "-------------------------------------------------------------------------------------------------------------------"
echo -e "\e[33m Validating PROTON vitals... \e[0m"
echo -e "-------------------------------------------------------------------------------------------------------------------"

if [[ -f .env ]]; then
    # check if env contains all required variables.
    eval "$(grep ^APP_NAME= .env)"
    eval "$(grep ^APP_SUPPORT_EMAIL= .env)"
    eval "$(grep ^PG_USERNAME= .env)"
    eval "$(grep ^PG_PASSWORD= .env)"
    eval "$(grep ^PG_TARGET_DB= .env)"
    eval "$(grep ^PG_TARGET_PORT= .env)"
    eval "$(grep ^REDIS_TARGET_PORT= .env)"
    eval "$(grep ^PROTON_BIND_ADDRESS= .env)"
    eval "$(grep ^PROTON_TARGET_PORT= .env)"
    eval "$(grep ^PROTON_SQLITE_VOLUME_MOUNT= .env)"
    eval "$(grep ^PROTON_POSTGRES_VOLUME_MOUNT= .env)"
    eval "$(grep ^PROTON_REDIS_VOLUME_MOUNT= .env)"
    eval "$(grep ^SENDGRID_API_KEY= .env)"

    if [[ -z "$APP_NAME" ]]; then
        while [[ -z "$APP_NAME" ]]
        do
            read -p "Please enter the name of your APP which PROTON needs to empower: " APP_NAME
        done
    fi

    if [[ -z "$APP_SUPPORT_EMAIL" ]]; then
        while [[ -z "$APP_SUPPORT_EMAIL" ]]
        do
            read -p "Please enter the email address of your support center/support person: " APP_SUPPORT_EMAIL
        done
    fi


    if [[ -z "$PG_USERNAME" ]]; then
        while [[ -z "$PG_USERNAME" ]]
        do
            read -p "PROTON is missing key environment var - PG_USERNAME. \
By default, PROTON ships with support for postgres. \
PG_USERNAME is the username that PROTON's postgres will use for login purposes.\
Please enter username for PROTON's postgres: " PG_USERNAME
        done
    fi

    if [[ -z "$PG_PASSWORD" ]]; then
        while [[ -z "$PG_PASSWORD" ]]
        do
            read -p "PROTON is missing key environment var - PG_PASSWORD. \
By default, PROTON ships with support for postgres. \
PG_PASSWORD is the password that PROTON's postgres will use for login purposes.\
Please enter password for PROTON's postgres: " PG_PASSWORD
        done
    fi

    if [[ -z "$PG_TARGET_DB" ]]; then
        PG_TARGET_DB=proton
    fi

    if [[ -z "$PG_TARGET_PORT" ]]; then
        PG_TARGET_PORT=5432
    fi

    if [[ -z "$REDIS_TARGET_PORT" ]]; then
        REDIS_TARGET_PORT=6379
    fi

    if [[ -z "$PROTON_BIND_ADDRESS" ]]; then
        PROTON_BIND_ADDRESS=0.0.0.0
    fi

    if [[ -z "$PROTON_TARGET_PORT" ]]; then
        PROTON_TARGET_PORT=3000
    fi

    if [[ -z "$PROTON_SQLITE_VOLUME_MOUNT" ]]; then
        while [[ -z "$PROTON_SQLITE_VOLUME_MOUNT" ]]
        do
            read -p "PROTON is missing key environment var - PROTON_SQLITE_VOLUME_MOUNT. \
By default, PROTON ships with support for sqlite. \
PROTON_SQLITE_VOLUME_MOUNT is the location that PROTON's sqlite file will mount onto.\
Please enter the absolute location where PROTON's sqlite can mount onto: " PROTON_SQLITE_VOLUME_MOUNT
        done
    fi

    if [[ -z "$PROTON_POSTGRES_VOLUME_MOUNT" ]]; then
        while [[ -z "$PROTON_POSTGRES_VOLUME_MOUNT" ]]
        do
            read -p "PROTON is missing key environment var - PROTON_POSTGRES_VOLUME_MOUNT. \
By default, PROTON ships with support for postgres. \
PROTON_POSTGRES_VOLUME_MOUNT is the location that PROTON's postgres container will mount onto.\
Please enter the absolute location where PROTON's postgres can mount onto: " PROTON_POSTGRES_VOLUME_MOUNT
        done
    fi

    if [[ -z "$PROTON_REDIS_VOLUME_MOUNT" ]]; then
        while [[ -z "$PROTON_REDIS_VOLUME_MOUNT" ]]
        do
            read -p "PROTON is missing key environment var - PROTON_REDIS_VOLUME_MOUNT. \
By default, PROTON ships with cache support by incorporating Redis. \
PROTON_REDIS_VOLUME_MOUNT is the location that PROTON's redis container will mount onto.\
Please enter the absolute location where PROTON's redis can mount onto: " PROTON_REDIS_VOLUME_MOUNT
        done
    fi

    if [[ -z "$SENDGRID_API_KEY" ]]; then
        while [[ -z "$SENDGRID_API_KEY" ]]
        do
            read -p "PROTON ships with abilities to send emails. This is dependent on sendgrid. If you don't \
have a sendgrid account yet, please create a free account here - https://signup.sendgrid.com/ . Create \
an API key and paste that key here: " SENDGRID_API_KEY
        done
    fi

else

    touch .env

    PG_TARGET_DB=proton
    PG_TARGET_PORT=5432
    REDIS_TARGET_PORT=6379
    PROTON_BIND_ADDRESS=0.0.0.0
    PROTON_TARGET_PORT=3000

    while [[ -z "$APP_NAME" ]]
        do
            read -p "Please enter the name of your APP which PROTON needs to empower: " APP_NAME
        done

    while [[ -z "$APP_SUPPORT_EMAIL" ]]
        do
            read -p "Please enter the email address of your support center/support person: " APP_SUPPORT_EMAIL
        done

    while [[ -z "$PG_USERNAME" ]]
        do
            read -p "By default, PROTON ships with support for postgres.\
PG_USERNAME is the username that PROTON's postgres will use for login purposes.\
Please enter username for PROTON's postgres: " PG_USERNAME
        done

    while [[ -z "$PG_PASSWORD" ]]
        do
            read -p "By default, PROTON ships with support for postgres. \
PG_PASSWORD is the password that PROTON's postgres will use for login purposes.\
Please enter password for PROTON's postgres: " PG_PASSWORD
        done

    while [[ -z "$PROTON_SQLITE_VOLUME_MOUNT" ]]
        do
            read -p "By default, PROTON ships with support for sqlite. \
PROTON_SQLITE_VOLUME_MOUNT is the location that PROTON's sqlite file will mount onto.\
Please enter the absolute location where PROTON's sqlite can mount onto: " PROTON_SQLITE_VOLUME_MOUNT
        done

    while [[ -z "$PROTON_POSTGRES_VOLUME_MOUNT" ]]
        do
            read -p "By default, PROTON ships with support for postgres. \
PROTON_POSTGRES_VOLUME_MOUNT is the location that PROTON's postgres container will mount onto.\
Please enter the absolute location where PROTON's postgres can mount onto: " PROTON_POSTGRES_VOLUME_MOUNT
        done

    while [[ -z "$PROTON_REDIS_VOLUME_MOUNT" ]]
        do
            read -p "By default, PROTON ships with cache support by incorporating Redis. \
PROTON_REDIS_VOLUME_MOUNT is the location that PROTON's redis container will mount onto.\
Please enter the absolute location where PROTON's redis can mount onto: " PROTON_REDIS_VOLUME_MOUNT
        done

    while [[ -z "$SENDGRID_API_KEY" ]]
        do
            read -p "PROTON ships with abilities to send emails. This is dependent on sendgrid. If you don't \
have a sendgrid account yet, please create a free account here - https://signup.sendgrid.com/ . Create \
an API key and paste that key here: " SENDGRID_API_KEY
        done

fi

    cat << EOF > .env
# PS: ANY CHANGES HERE WILL AFFECT BUILD PROCESS.
# PS: DO NOT DELETE ANY VARIABLES OR RENAME THEM. PROTON'S CONTAINERS RELY ON THESE VARIABLES.
APP_NAME=$APP_NAME
APP_SUPPORT_EMAIL=$APP_SUPPORT_EMAIL
PG_USERNAME=$PG_USERNAME
PG_PASSWORD=$PG_PASSWORD
PG_TARGET_DB=$PG_TARGET_DB
PG_TARGET_PORT=$PG_TARGET_PORT
REDIS_TARGET_PORT=$REDIS_TARGET_PORT
PROTON_BIND_ADDRESS=$PROTON_BIND_ADDRESS
PROTON_TARGET_PORT=$PROTON_TARGET_PORT
PROTON_SQLITE_VOLUME_MOUNT=$PROTON_SQLITE_VOLUME_MOUNT
PROTON_POSTGRES_VOLUME_MOUNT=$PROTON_POSTGRES_VOLUME_MOUNT
PROTON_REDIS_VOLUME_MOUNT=$PROTON_REDIS_VOLUME_MOUNT
SENDGRID_API_KEY=$SENDGRID_API_KEY
EOF

# configuring SQLITE mount path for the PROTON container.
mkdir -p ./proton_vars
rm -f ./proton_vars/proton_sqlite_config.txt
touch ./proton_vars/proton_sqlite_config.txt
echo "/PROTON/proton-db/proton-sqlite.db" >> ./proton_vars/proton_sqlite_config.txt

echo -e "-------------------------------------------------------------------------------------------------------------------"
echo -e "\e[33m PROTON has all vitals checked and set. \e[0m"
echo -e "-------------------------------------------------------------------------------------------------------------------"