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bug fix for no socket auth
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126
zabbixinstall
126
zabbixinstall
@@ -35,36 +35,28 @@ else
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fi
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#
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# Define variables and functions
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# Variables
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#
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ubuntuversion="24.04"
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zabbix_version="7.0" # Pinned LTS version (prevents 8.0 404 error)
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zabbix_version="7.0"
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#
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# Function usage
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# Function: usage
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#
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usage() {
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printf -- "\nzabbixinstall (Ubuntu 24.04 + Zabbix 7.0 LTS)\n\n"
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if [[ "$socketauth" == "yes" ]]; then
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printf -- "SOCKET DETECTED — no need for -a or -m\n\n"
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printf -- "Installs Zabbix Server using MariaDB socket authentication.\n\n"
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printf -- "Usage:\n"
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printf -- " sudo ./zabbixinstall -n <domain> -p <zabbix db password>\n\n"
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printf -- "Example:\n"
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printf -- " sudo ./zabbixinstall -n zabbix.something.xyz -p zabbixdbpwd\n\n"
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else
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printf -- "NO SOCKET DETECTED — you must use -a and -m\n\n"
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printf -- "Installs Zabbix Server using MariaDB admin credentials.\n\n"
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printf -- "Usage:\n"
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printf -- " sudo ./zabbixinstall -n <domain> -p <zabbix db password> -a <adminuser> -m <adminpwd>\n\n"
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printf -- "Examples:\n"
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printf -- " sudo ./zabbixinstall -n zabbix.something.xyz -p zabbixdbpwd -a root -m rootpwd\n"
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printf -- " sudo ./zabbixinstall -n zabbix.something.xyz -p zabbixdbpwd -a admin -m adminpwd\n\n"
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printf -- " sudo ./zabbixinstall -n <domain> -p <zabbix db password> -m <adminpwd> [-a <adminuser>]\n\n"
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fi
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printf -- "Options:\n"
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printf -- " -h | -help | --help Show this help screen\n\n"
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printf -- "Options:\n -h | -help | --help Show this help screen\n\n"
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}
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#
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@@ -72,9 +64,6 @@ usage() {
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#
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clear
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#
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# Configure command line options
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#
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if [[ "$1" == "-help" || "$1" == "--help" ]]; then usage ; exit 0 ; fi
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if [[ $# -eq 0 || ! $1 =~ ^- ]]; then usage ; exit 1 ; fi
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@@ -91,7 +80,7 @@ while getopts ":n:p:m:a:h" option; do
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done
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#
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# Parse and validate input
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# Validate input
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#
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if [[ -z "$hostname" || -z "$dbpass" ]]; then
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usage
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@@ -99,47 +88,37 @@ if [[ -z "$hostname" || -z "$dbpass" ]]; then
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exit 1
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fi
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# Convert to lowercase (domains are case-insensitive)
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hostname=$(echo "$hostname" | tr '[:upper:]' '[:lower:]')
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# Disallow leading hyphen
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if [[ "$hostname" =~ ^- ]]; then
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printf "\nERROR: Domain cannot start with a hyphen.\n"
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printf "Example of valid input: zabbix.example.com\n\n"
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printf "\nERROR: Domain cannot start with a hyphen.\n\n"
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exit 1
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fi
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# Disallow spaces, slashes, underscores
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if [[ "$hostname" =~ [[:space:]/_] ]]; then
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printf "\nERROR: Domain cannot contain spaces, slashes, or underscores.\n\n"
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exit 1
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fi
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# Validate domain format (RFC 1123)
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if [[ ! "$hostname" =~ ^([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{2,}$ ]]; then
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printf "\nERROR: Invalid domain format.\n"
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printf "Example of valid input: zabbix.example.com\n\n"
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printf "\nERROR: Invalid domain format.\n\n"
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exit 1
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fi
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# Check for spaces in DB credentials
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if [[ "$dbpass" =~ [[:space:]] ]]; then
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printf "\nERROR: Database password cannot contain spaces.\n\n"
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exit 1
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fi
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#
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# Print Zabbix version info
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#
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printf "Using Zabbix LTS version: %s\n\n" "$zabbix_version"
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#
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# Ensure curl and wget are installed
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# Install prerequisites
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#
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for tool in curl wget; do dpkg -s "$tool" &>/dev/null || apt install -y -qq "$tool" ; done
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#
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# Download and install the Zabbix repository
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# Install Zabbix repo
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#
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tmpfile="/tmp/zabbix-release_latest_${zabbix_version}+ubuntu${ubuntuversion}_all.deb"
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download="https://repo.zabbix.com/zabbix/${zabbix_version}/ubuntu/pool/main/z/zabbix-release/zabbix-release_latest_${zabbix_version}+ubuntu${ubuntuversion}_all.deb"
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@@ -149,38 +128,33 @@ dpkg -i "$tmpfile"
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apt update
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#
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# Install Zabbix components
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# Install Zabbix packages
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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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# Clone nginx-snippets; if nginx-snippets exists then just pull latest changes
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# Clone nginx-snippets
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#
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nginxsnippets="/etc/nginx/nginx-snippets"
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repo="https://git.x-files.dk/webserver/nginx-snippets.git"
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if [[ -d "$nginxsnippets/.git" ]]; then git -C "$nginxsnippets" pull --quiet; else git clone --quiet "$repo" "$nginxsnippets"; fi
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#
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# Determine MariaDB login method
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# MariaDB access method
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#
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mariadbadmin="${mariadbadmin:-root}"
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printf "\nChecking MariaDB access method...\n"
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if [[ "$socketauth" == "yes" ]]; then
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dbmethod="socket"
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printf "Socket authentication detected (root)\n"
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elif [[ -n "$mariadbpwd" && -n "$mariadbadmin" ]]; then
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else
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dbmethod="admin"
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printf "Using admin user authentication (%s)\n" "$mariadbadmin"
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else
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printf "\nERROR: No valid MariaDB authentication method found.\n"
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printf "Tried socket, admin user, and root password.\n\n"
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exit 1
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fi
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#
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# Create Zabbix database
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# Create Zabbix DB
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#
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case "$dbmethod" in
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socket)
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@@ -204,7 +178,7 @@ EOF
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esac
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#
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# Import Zabbix database schema
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# Import schema
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#
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schema="/usr/share/zabbix-sql-scripts/mysql/server.sql.gz"
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if [[ -f "$schema" ]]; then
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@@ -233,7 +207,7 @@ EOF
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esac
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#
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# Configure Nginx and Zabbix
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# Configure Nginx + Zabbix
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#
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cp "$nginxsnippets/hostfiles/zabbix.80.conf" /etc/nginx/conf.d/"$hostname".conf
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sed -i "s/^# DBPassword=.*/DBPassword=$dbpass/" /etc/zabbix/zabbix_server.conf
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@@ -241,7 +215,15 @@ sed -i -- "s/DOMAIN/$hostname/g" /etc/nginx/conf.d/"$hostname".conf
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rm -f /etc/nginx/conf.d/zabbix.conf
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#
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# Enable and start Zabbix
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# Adjust DB_HOST depending on Database auth type
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#
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if [[ "$socketauth" == "no" ]]; then
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sed -i "s/^# DBHost=.*/DBHost=127.0.0.1/" /etc/zabbix/zabbix_server.conf
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sed -i "s/^DBHost=.*/DBHost=127.0.0.1/" /etc/zabbix/zabbix_server.conf
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fi
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#
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# Enable + restart services
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#
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systemctl enable zabbix-server zabbix-agent
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systemctl restart zabbix-server zabbix-agent
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@@ -249,38 +231,56 @@ systemctl restart "$phpfpm"
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systemctl restart nginx
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#
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# Zabbix postinstall notice
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# Post-install notic
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#
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zabbixnotice=$(cat <<EOF
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if [[ "$socketauth" == "no" ]]; then
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zabbixnotice=$(cat <<EOF
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---------------------------------------------------------------------------------------------------
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IMPORTANT: Go to http://$hostname and modify the following settings:
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IMPORTANT (NO SOCKET AUTH DETECTED):
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DATABASE SETTINGS ---------------------------------------------------------------------------------
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DATABASE PASSWORD = $dbpass
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Database is running in PASSWORD authentication mode.
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SETTINGS ------------------------------------------------------------------------------------------
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ZABBIX SERVER NAME = Your Sitename
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When using the Zabbix WEB INSTALLER you MUST enter:
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LOGIN ---------------------------------------------------------------------------------------------
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DEFAULT USER = Admin
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DEFAULT PASSWORD = zabbix
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Database host: 127.0.0.1
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If you enter "localhost", Zabbix will attempt UNIX socket authentication and FAIL.
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Database password: $dbpass
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DEFAULT LOGIN:
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User: Admin
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Password: zabbix
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---------------------------------------------------------------------------------------------------
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EOF
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)
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#
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# Display post install note
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#
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else
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zabbixnotice=$(cat <<EOF
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---------------------------------------------------------------------------------------------------
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Zabbix installation completed successfully.
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Database socket authentication detected — the Zabbix frontend installer
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will work with the default settings:
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Database host: localhost
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Database user: zabbix
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DEFAULT LOGIN:
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User: Admin
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Password: zabbix
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---------------------------------------------------------------------------------------------------
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EOF
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)
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fi
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clear ; printf '%s\n' "$zabbixnotice"
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#
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# Cleaning up
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#
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rm -f "$tmpfile"
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#
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# All done
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#
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printf "\nAll Done...\n\n"
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#
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