168 lines
5.6 KiB
Bash
Executable File
168 lines
5.6 KiB
Bash
Executable File
#!/bin/bash
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####################################################################################################
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# First Created: 11012021 Author: Allan Desc: Installs Zabbix on Ubuntu requires Nginx and MariaDB #
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####################################################################################################
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#
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# Are we root
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#
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if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo "" ; exit ; fi
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#
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# Are we in the right directory
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#
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scriptdir="zabbix-install" && whereami=$(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 ; fi
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#
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# Define variables and functions
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#
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red='\033[0;31m' ; bred='\033[1;31m' ; green='\033[0;92m' ; blue='\033[0;36m' ; bold='\033[1m' ; normal='\033[0m'
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line (){ for i in {1..50}; do echo -n "$1"; done && printf "\n"; }
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version=$(tail -1 version)
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ubuntuversion=$(lsb_release -rs |tail -1)
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downloadurl="https://repo.zabbix.com/zabbix/$version/ubuntu/pool/main/z/zabbix-release/"
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release=$(curl -s https://repo.zabbix.com/zabbix/$version/ubuntu/pool/main/z/zabbix-release/ |grep .deb |grep -v latest |sed 's/>/y/g' |awk -F 'y' '{print $2}' |sed 's/<\/a//g' |grep $ubuntuversion)
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nginxfiles="/etc/nginx/nginxsnippets"
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#
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# Function title
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#
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title () { printf "\nZabbix install script V1.0\n\n"; }
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#
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# Function usage
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#
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usage () { clear ; printf -- "\n"
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printf -- "${bold}zabbixinstall${normal} \n\n"
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printf -- "${bold}Usage:${normal} \n"
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printf -- "./zabbixinstall [-n] <zabbix domain> \n"
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printf -- " [-p] <zabbix database password> \n"
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printf -- " [-help] <this screen> \n\n"
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printf -- "${bold}Examples:${normal} \n"
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printf -- "./zabbixinstall -n zabbix.something.xyz -p zabbixdatabsepwd\n\n"; }
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#
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# Function installation check for success
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#
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serviceno () { printf "\n$service is not running cannot continue...\n\n"; }
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servicedead () { status=$(systemctl is-active $service); if [[ "$status" != "active" ]]; then serviceno ; exit; fi; }
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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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inputcheck () {
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if [[ -z "$hostname" ]]; then usage ; printf "${bold}Error! ${normal}Hostname Empty...\n\n" ; exit; fi
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if [[ -z "$zabbixpwd" ]]; then usage ; printf "${bold}Error! ${normal}Database Password Empty...\n\n" ; exit; fi; }
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#
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# If Nginx and MariaDB is not running then die
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#
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service="mariadb" ; servicedead ; service="nginx" ; servicedead
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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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# Configure command line options
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#
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if [[ ! $@ =~ ^\-.+ ]]; then usage; fi
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while getopts "n:p:h:" option; do
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case $option in
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n) # hostname
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hostname=$(echo ${OPTARG} | tr '[:upper:]' '[:lower:]');;
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p) # database password
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zabbixpwd=$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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# Check if input conditions are met
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#
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inputcheck $hostname $zabbixpwd
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#
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# Install the Zabbix repository
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#
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wget --no-verbose $downloadurl$release
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dpkg -i $release
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apt update
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#
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# Install Zabbix components
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#
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apt install -y zabbix-server-mysql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts zabbix-agent fping
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#
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# Check if nginxsnippets exist if not download them
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#
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if [[ ! -d "$nginxfiles" ]]; then
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git clone --quiet https://git.x-files.dk/ubuntu-web-server/nginx-install.git ; cp -R nginx-install/nginxsnippets /etc/nginx
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fi
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#
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# Create Zabbix database
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#
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zabbixsql="
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create database zabbix character set utf8mb4 collate utf8mb4_bin;
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create user zabbix@localhost identified by '$zabbixpwd';
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grant all privileges on zabbix.* to zabbix@localhost;
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set global log_bin_trust_function_creators = 1;
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FLUSH PRIVILEGES;
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"
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printf '%s\n' "${zabbixsql[@]}" |sed '1d; $d' > zabbixsql.sql
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mysql < zabbixsql.sql
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#
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# Import Zabbix database shema
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#
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zcat /usr/share/zabbix-sql-scripts/mysql/server.sql.gz | mysql --default-character-set=utf8mb4 -uzabbix -p$zabbixpwd zabbix
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#
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# Disable trust
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#
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notrustsql="
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set global log_bin_trust_function_creators = 0;
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FLUSH PRIVILEGES;
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"
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printf '%s\n' "${notrustsql[@]}" |sed '1d; $d' > notrustsql.sql
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mysql < notrustsql.sql
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#
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# Configure Nxinx
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#
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curl --silent https://git.x-files.dk/ubuntu-web-server/nginx-install/raw/branch/main/cfg-apps/zabbix.80.conf > /etc/nginx/conf.d/$hostname.conf
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sed -i "s/# DBPassword=/DBPassword=$zabbixpwd/" /etc/zabbix/zabbix_server.conf
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sed -i "s/DOMAIN/$hostname/" /etc/nginx/conf.d/$hostname.conf
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rm /etc/nginx/conf.d/zabbix.conf
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#
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# Enable and start Zabbix
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#
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systemctl enable zabbix-server zabbix-agent
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systemctl restart zabbix-server zabbix-agent
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systemctl restart nginx
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#
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# Zabbix postinstall notice
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#
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zabbixnotice="
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---------------------------------------------------------------------------------------------------
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IMPORTANT: Go to http://$hostname and modify the following settings:
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DATABASE SETTINGS ---------------------------------------------------------------------------------
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DATABASE PASSWORD = $zabbixpwd
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SETTINGS ------------------------------------------------------------------------------------------
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ZABBIX SERVER NAME = Your Sitename
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LOGIN ---------------------------------------------------------------------------------------------
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DEFAULT USER = Admin
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DEFAULT PASSWORD = zabbix
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---------------------------------------------------------------------------------------------------
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"
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#
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# Display post install note
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#
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clear ; printf '%s\n' "${zabbixnotice[@]}"
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#
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# Cleaning up
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#
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rm -Rf zabbixsql.sql notrustsql.sql nginx-install *.deb
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#
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# End of script
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#
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