catalogue.sh

#!/bin/bash

USERID=$(id -u)
R="\e[31m"
G="\e[32m"
Y="\e[33m"
N="\e[0m"
LOGS_FOLDER="/var/log/roboshop-logs"
SCRIPT_NAME=$(echo $0 | cut -d "." -f1)
LOG_FILE="$LOGS_FOLDER/$SCRIPT_NAME.log"
SCRIPT_DIR=$PWD

mkdir -p $LOGS_FOLDER
echo "Script started executing at: $(date)" | tee -a $LOG_FILE

# check the user has root priveleges or not
if [ $USERID -ne 0 ]
then
    echo -e "$R ERROR:: Please run this script with root access $N" | tee -a $LOG_FILE
    exit 1 #give other than 0 upto 127
else
    echo "You are running with root access" | tee -a $LOG_FILE
fi

# validate functions takes input as exit status, what command they tried to install
VALIDATE(){
    if [ $1 -eq 0 ]
    then
        echo -e "$2 is ... $G SUCCESS $N" | tee -a $LOG_FILE
    else
        echo -e "$2 is ... $R FAILURE $N" | tee -a $LOG_FILE
        exit 1
    fi
}

dnf module disable nodejs -y &>>$LOG_FILE
VALIDATE $? "Disabling node js"

dnf module enable nodejs:20 -y &>>$LOG_FILE
VALIDATE $? "Enabling nodejs:20"

dnf install nodejs -y &>>$LOG_FILE
VALIDATE $? "Installing nodejs"

if [ $? -ne 0 ]
then
    useradd --system --home /app --shell /sbin/nologin --comment "roboshop system user" roboshop
    VALIDATE $? "creating roboshop system user"
else
    echo -e "System user roboshop already created ...$Y SKIPPING $N"
fi

mkdir -p /app
VALIDATE $? "Creating app directory"

curl -o /tmp/catalogue.zip https://roboshop-artifacts.s3.amazonaws.com/catalogue-v3.zip &>>$LOG_FILE
VALIDATE $? "Downloading catalogue"

rm -rf /app/*
cd /app 
unzip /tmp/catalogue.zip &>>$LOG_FILE
VALIDATE $? "Unzipping catalogue"

npm install &>>$LOG_FILE
VALIDATE $? "Npm dependencies installing"

cp $SCRIPT_DIR/catalogue.service /etc/systemd/system/catalogue.service &>>$LOG_FILE
VALIDATE $? "copying catalogue service"

systemctl daemon-reload &>>$LOG_FILE
systemctl enable catalogue 
systemctl start catalogue
VALIDATE $? "starting catalogue"

cp $SCRIPT_DIR/mongo.repo /etc/yum.repos.d/mongo.repo &>>$LOG_FILE
dnf install mongodb-mongosh -y
VALIDATE $? "Installing mongdb client"

STATUS=$(mongosh --host mongodb.kimidi.site --eval 'db.getMongo().getDBnames().indexof("catalogue")')
if [ STATUS -lt 0 ]
then 
     mongosh --host mongodb.kimidi.site </app/db/master-data.js &>>$LOG_FILE 
     VALIDATE $? "Loading data into mongodb"
else
    echo -e "Data is already loaded ...$Y SKIPPING $N"
fi