152 lines
4.1 KiB
Bash
Executable File
152 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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##########################################################################
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# First Created: 05012022 Author: Allan Desc: Installs MariaDB on Ubuntu #
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##########################################################################
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#
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# Are we root
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#
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if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo "" ; exit ; fi
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#
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# Are we in the right directory
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#
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scriptdir="mariadb-install" && whereami=$(pwd |awk -F'/' '{print $NF}')
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if [ $whereami != $scriptdir ] ; then printf "\nWrong directory! Script must be run from $scriptdir\n\n" ; exit 1; fi
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#
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# Define variables
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#
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line (){ for i in {1..50}; do echo -n "$1" ; done && printf "\n"; }
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mariaconfig="/etc/mysql/mariadb.conf.d/50-server.cnf"
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#
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# Function to check if a service is already running or not
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#
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serviceyes () { printf "\n$service is allready running cannot continue...\n\n"; }
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servicealive () { status=$(systemctl is-active $service); if [[ "$status" == "active" ]]; then serviceyes ; exit; fi; }
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#
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# Function title
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#
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title () { printf "\nMariaDB install script V1.4\n\n"; }
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#
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# Function usage
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#
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usage () { clear ; printf -- "\n"
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printf -- "${bold}mariadbinstall${normal} \n\n"
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printf -- "${bold}Usage:${normal} \n"
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printf -- "./mariadbinstall [-p] <master password>\n"
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printf -- " [-help] <this screen> \n\n"
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printf -- "${bold}Examples:${normal} \n"
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printf -- "./mariadbinstall -p mysecretpasswd \n\n"; }
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#
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# Function check if empty password was entered
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#
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passwordcheck () { if [[ -z "$masterpwd" ]] ; then printf "ERROR PASSWORD IS EMPTY...\n\n" ; exit; fi; }
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#
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# If MariaDB is allready running then die
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#
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service="mariadb" ; servicealive
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#
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# Configure command line options
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#
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if [[ ! $@ =~ ^\-.+ ]]; then usage; fi
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while getopts "p:h:" option; do
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case $option in
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p) # masterpwd
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masterpwd=$OPTARG;;
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h) # display help
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usage ; exit;;
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\?) # invalid option
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printf "Type $0 -help for help\n\n" ; exit;;
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esac
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done
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#
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# Password validation
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#
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passwordcheck
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#
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# Display title
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#
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clear ; title
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#
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# Create backup directory for files we are going to modify
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#
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backupdir="/root/pre-install" && mkdir -p $backupdir
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echo "Backup of original files before modifying them" > $backupdir/README
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#
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# Custom configuration
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#
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customconf="
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# Custom settings
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skip-name-resolve = 1
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# Custom settings
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"
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#
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# Create .my.cnf file
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#
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myconf="
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[client]
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user=root
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password=$masterpwd
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"
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#
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# Answer file for Expect MySql secure installation
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#
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postinstall="
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SECURE_MYSQL=\$(expect -c \"
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set timeout 10
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spawn mysql_secure_installation
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expect \\\"Enter current password for root (enter for none):\\\"
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send \\\"\\r\\\"
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expect \\\"Switch to unix_socket authentication\\\"
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send \\\"n\\r\\\"
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expect \\\"Change the root password?\\\"
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send \\\"Y\\r\\\"
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expect \\\"New password:\\\"
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send \\\"$masterpwd\\r\\\"
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expect \\\"Re-enter new password:\\\"
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send \\\"$masterpwd\\r\\\"
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expect \\\"Remove anonymous users?\\\"
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send \\\"Y\\r\\\"
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expect \\\"Disallow root login remotely?\\\"
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send \\\"Y\\r\\\"
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expect \\\"Remove test database and access to it?\\\"
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send \\\"Y\\r\\\"
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expect \\\"Reload privilege tables now?\\\"
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send \\\"Y\\r\\\"
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expect eof
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\")
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echo \"\$SECURE_MYSQL\" > secureresult
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"
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#
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# Install and configure MariaDB we use expect for the mysql secure installation
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#
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apt install -y mariadb-server mariadb-client
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cp -Rp $mariaconfig $backupdir
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sed -i 's/127.0.0.1/0.0.0.0/' $mariaconfig
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printf '%s\n' "${customconf[@]}" |sed '$d' > customconf
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sed -i "/0.0.0.0/r customconf" $mariaconfig
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printf '%s\n' "${myconf[@]}" |sed '1d; $d' > /root/.my.cnf && chmod 400 /root/.my.cnf
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#
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# Setting up error log comment this out if you don't need error log
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#
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sed -i '/#log_error = \/var\/log\/mysql\/error.log/ s/^.//' $mariaconfig
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#
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# Install Expect and run mysql_secure_installation
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#
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apt install -y expect
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printf '%s\n' "${postinstall[@]}" |sed '1d; $d' > postinstall
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source postinstall
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systemctl restart mariadb
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#
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# Display output of mysql_secure_installation and clean up
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#
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clear ; cat secureresult |sed '1d; $d' ; printf "\n" ; line '-' ; printf "All Done...\n" ; line '-' ; printf "\n"
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rm customconf postinstall secureresult
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#
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# End of script
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#
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