shell-scripting/11-functions.sh at main · Shan23-hash/shell-scripting · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
#!/bin/bash

USERID=$(id -u)

if [ $USERID -ne 0 ]
then
    echo "ERROR:: Please run this script with root access"
    exit 1 #give other than 0 upto 127
else
    echo "You are running with root access"
fi

VALIDATE(){
    if [ $1 -eq 0 ]
    then
        echo "Installing $2 is ... SUCCESS"
    else
        echo "Installing $2 is ... FAILURE"
        exit 1
    fi
}

dnf list installed mysql
if [ $? -ne 0 ]
then
    echo "MySQL is not installed... going to install it"
    dnf install mysql -y
    VALIDATE $? "MySQL"
else
    echo "MySQL is already installed...Nothing to do"
fi

dnf list installed python3
if [ $? -ne 0 ]
then
    echo "python3 is not installed... going to install it"
    dnf install python3 -y
    VALIDATE $? "python3"
else
    echo "python3 is already installed...Nothing to do"
fi

dnf list installed nginx
if [ $? -ne 0 ]
then
    echo "nginx is not installed... going to install it"
    dnf install nginx -y
    VALIDATE $? "nginx"
else
    echo "nginx is already installed...Nothing to do"
fi