initial commit

2024-10-24 12:51:53 +02:00
commit 409af1d760
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+#!/bin/bash
+
+####################################################################################################
+# First Created: 11012021 Author: Allan Desc: Installs Zabbix on Ubuntu requires Nginx and MariaDB #
+####################################################################################################
+
+#
+# Are we root
+#
+if [[ $(id -u) -ne 0 ]]; then echo "" && echo "Must be root or use sudo" && echo "" ; exit ; fi
+#
+# Are we in the right directory
+#
+scriptdir="zabbix-install" && whereami=$(pwd |awk -F'/' '{print $NF}')
+if [ $whereami != $scriptdir ]; then printf "\nWrong directory! Script must be run from $scriptdir\n\n" ; exit ; fi
+#
+# Define variables and functions
+#
+red='\033[0;31m' ; bred='\033[1;31m' ; green='\033[0;92m' ; blue='\033[0;36m' ; bold='\033[1m' ; normal='\033[0m'
+line (){ for i in {1..50}; do echo -n "$1"; done && printf "\n"; }
+version=$(tail -1 version)
+ubuntuversion=$(lsb_release -rs |tail -1)
+downloadurl="https://repo.zabbix.com/zabbix/$version/ubuntu/pool/main/z/zabbix-release/"
+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 $ubuntuversion)
+nginxfiles="/etc/nginx/nginxsnippets"
+#
+# Function title
+#
+title () { printf "\nZabbix install script V1.0\n\n"; }
+#
+# Function usage
+#
+usage () { clear ; printf -- "\n"
+printf -- "${bold}zabbixinstall${normal}                              \n\n"
+printf -- "${bold}Usage:${normal}                                       \n"
+printf -- "./zabbixinstall [-n] <zabbix domain>                         \n"
+printf -- "                [-p] <zabbix database password>              \n"
+printf -- "             [-help] <this screen>                         \n\n"
+printf -- "${bold}Examples:${normal}                                    \n"
+printf -- "./zabbixinstall -n zabbix.something.xyz -p zabbixdatabsepwd\n\n"; }
+#
+# Function installation check for success
+#
+serviceno () { printf "\n$service is not running cannot continue...\n\n"; }
+servicedead  () { status=$(systemctl is-active $service); if [[ "$status" != "active" ]]; then serviceno ; exit; fi; }
+#
+# Function to check if a service is already running or not
+#
+inputcheck () {
+if [[ -z "$hostname" ]]; then usage ; printf "${bold}Error! ${normal}Hostname Empty...\n\n" ; exit; fi
+if [[ -z "$zabbixpwd" ]]; then usage ; printf "${bold}Error! ${normal}Database Password Empty...\n\n" ; exit; fi; }
+#
+# If Nginx and MariaDB is not running then die
+#
+service="mariadb" ; servicedead ; service="nginx" ; servicedead
+#
+# Display title
+#
+clear ; title
+#
+# Configure command line options
+#
+if [[ ! $@ =~ ^\-.+ ]]; then usage; fi
+
+while getopts "n:p:h:" option; do
+   case $option in
+
+      n) # hostname
+         hostname=$(echo ${OPTARG} | tr '[:upper:]' '[:lower:]');;
+
+      p) # database password
+         zabbixpwd=$OPTARG;;
+
+      h) # display help
+         usage ; exit;;
+
+     \?) # invalid option
+         printf "Type $0 -help for help\n\n" ; exit;;
+   esac
+done
+#
+# Check if input conditions are met
+#
+inputcheck $hostname $zabbixpwd
+#
+# Install the Zabbix repository
+#
+wget --no-verbose $downloadurl$release
+dpkg -i $release
+apt update
+#
+# Install Zabbix components
+#
+apt install -y zabbix-server-mysql zabbix-frontend-php zabbix-nginx-conf zabbix-sql-scripts zabbix-agent fping
+#
+# Check if nginxsnippets exist if not download them
+#
+if [[ ! -d "$nginxfiles" ]]; then
+git clone --quiet https://git.x-files.dk/ubuntu-web-server/nginx-install.git ; cp -R nginx-install/nginxsnippets /etc/nginx
+fi
+#
+# Create Zabbix database
+#
+zabbixsql="
+create database zabbix character set utf8mb4 collate utf8mb4_bin;
+create user zabbix@localhost identified by '$zabbixpwd';
+grant all privileges on zabbix.* to zabbix@localhost;
+set global log_bin_trust_function_creators = 1;
+FLUSH PRIVILEGES;
+"
+printf '%s\n' "${zabbixsql[@]}" |sed '1d; $d' > zabbixsql.sql
+mysql < zabbixsql.sql
+#
+# Import Zabbix database shema
+#
+zcat /usr/share/zabbix-sql-scripts/mysql/server.sql.gz | mysql --default-character-set=utf8mb4 -uzabbix -p$zabbixpwd zabbix 
+#
+# Disable trust
+#
+notrustsql="
+set global log_bin_trust_function_creators = 0;
+FLUSH PRIVILEGES;
+"
+printf '%s\n' "${notrustsql[@]}" |sed '1d; $d' > notrustsql.sql
+mysql < notrustsql.sql
+#
+# Configure Nxinx
+#
+curl --silent https://git.x-files.dk/ubuntu-web-server/nginx-install/raw/branch/main/cfg-apps/zabbix.80.conf > /etc/nginx/conf.d/$hostname.conf 
+sed -i "s/# DBPassword=/DBPassword=$zabbixpwd/" /etc/zabbix/zabbix_server.conf
+sed -i "s/DOMAIN/$hostname/" /etc/nginx/conf.d/$hostname.conf
+rm /etc/nginx/conf.d/zabbix.conf
+#
+# Enable and start Zabbix
+#
+systemctl enable zabbix-server zabbix-agent
+systemctl restart zabbix-server zabbix-agent
+systemctl restart nginx 
+#
+# Zabbix postinstall notice
+#
+zabbixnotice="
+---------------------------------------------------------------------------------------------------
+IMPORTANT: Go to http://$hostname and modify the following settings:
+
+DATABASE SETTINGS ---------------------------------------------------------------------------------
+DATABASE PASSWORD                          = $zabbixpwd
+
+SETTINGS ------------------------------------------------------------------------------------------
+ZABBIX SERVER NAME                         = Your Sitename
+
+LOGIN ---------------------------------------------------------------------------------------------
+DEFAULT USER                               = Admin
+DEFAULT PASSWORD			   = zabbix
+---------------------------------------------------------------------------------------------------
+"
+#
+# Display post install note
+#
+clear ; printf '%s\n' "${zabbixnotice[@]}"
+#
+# Cleaning up
+#
+rm -Rf zabbixsql.sql notrustsql.sql nginx-install *.deb
+#
+# End of script
+#