Add Zabbix version selection to install and update scripts (#9430)

Prompts user to select Zabbix version (7.0 LTS, 7.4, or latest) during installation and update. Refactors download logic to use the chosen version, improving flexibility and user control over Zabbix deployment.

Author: MickLesk

ct/zabbix.sh

@@ -46,18 +46,29 @@ function update_script() {
   systemctl stop "$AGENT_SERVICE"
   msg_ok "Stopped Services"
 
-  msg_info "Updating Zabbix"
+  read -rp "Choose Zabbix version [1] 7.0 LTS  [2] 7.4 (Latest Stable)  [3] Latest available (default: 2): " ZABBIX_CHOICE
+  ZABBIX_CHOICE=${ZABBIX_CHOICE:-2}
+  case "$ZABBIX_CHOICE" in
+  1) ZABBIX_VERSION="7.0" ;;
+  2) ZABBIX_VERSION="7.4" ;;
+  3) ZABBIX_VERSION=$(curl -fsSL https://repo.zabbix.com/zabbix/ |
+    grep -oP '(?<=href=")[0-9]+\.[0-9]+(?=/")' | sort -V | tail -n1) ;;
+  *)
+    ZABBIX_VERSION="7.4"
+    echo "Invalid choice. Defaulting to 7.4."
+    ;;
+  esac
+
+  msg_info "Updating Zabbix to $ZABBIX_VERSION"
   mkdir -p /opt/zabbix-backup/
   cp /etc/zabbix/zabbix_server.conf /opt/zabbix-backup/
   cp /etc/apache2/conf-enabled/zabbix.conf /opt/zabbix-backup/
   cp -R /usr/share/zabbix/ /opt/zabbix-backup/
 
   rm -Rf /etc/apt/sources.list.d/zabbix.list
   cd /tmp
-  curl -fsSL "$(curl -fsSL https://repo.zabbix.com/zabbix/ |
-    grep -oP '(?<=href=")[0-9]+\.[0-9]+(?=/")' | sort -V | tail -n1 |
-    xargs -I{} echo "https://repo.zabbix.com/zabbix/{}/release/debian/pool/main/z/zabbix-release/zabbix-release_latest+debian13_all.deb")" \
-    -o /tmp/zabbix-release_latest+debian13_all.deb
+  ZABBIX_DEB_URL="https://repo.zabbix.com/zabbix/${ZABBIX_VERSION}/release/debian/pool/main/z/zabbix-release/zabbix-release_latest+debian13_all.deb"
+  curl -fsSL "$ZABBIX_DEB_URL" -o /tmp/zabbix-release_latest+debian13_all.deb
   $STD dpkg -i zabbix-release_latest+debian13_all.deb
   rm -rf /tmp/zabbix-release_latest+debian13_all.deb
   $STD apt update

install/zabbix-install.sh

@@ -15,16 +15,27 @@ update_os
 
 PG_VERSION="17" setup_postgresql
 
-msg_info "Installing Zabbix"
+read -rp "Choose Zabbix version [1] 7.0 LTS  [2] 7.4 (Latest Stable)  [3] Latest available (default: 2): " ZABBIX_CHOICE
+ZABBIX_CHOICE=${ZABBIX_CHOICE:-2}
+case "$ZABBIX_CHOICE" in
+1) ZABBIX_VERSION="7.0" ;;
+2) ZABBIX_VERSION="7.4" ;;
+3) ZABBIX_VERSION=$(curl -fsSL https://repo.zabbix.com/zabbix/ |
+  grep -oP '(?<=href=")[0-9]+\.[0-9]+(?=/")' | sort -V | tail -n1) ;;
+*)
+  ZABBIX_VERSION="7.4"
+  echo "Invalid choice. Defaulting to 7.4."
+  ;;
+esac
+
+msg_info "Installing Zabbix $ZABBIX_VERSION"
 cd /tmp
-curl -fsSL "$(curl -fsSL https://repo.zabbix.com/zabbix/ |
-  grep -oP '(?<=href=")[0-9]+\.[0-9]+(?=/")' | sort -V | tail -n1 |
-  xargs -I{} echo "https://repo.zabbix.com/zabbix/{}/release/debian/pool/main/z/zabbix-release/zabbix-release_latest+debian13_all.deb")" \
-  -o /tmp/zabbix-release_latest+debian13_all.deb
+ZABBIX_DEB_URL="https://repo.zabbix.com/zabbix/${ZABBIX_VERSION}/release/debian/pool/main/z/zabbix-release/zabbix-release_latest+debian13_all.deb"
+curl -fsSL "$ZABBIX_DEB_URL" -o /tmp/zabbix-release_latest+debian13_all.deb
 $STD dpkg -i /tmp/zabbix-release_latest+debian13_all.deb
 $STD apt update
 $STD apt install -y zabbix-server-pgsql zabbix-frontend-php php8.4-pgsql zabbix-apache-conf zabbix-sql-scripts
-msg_ok "Installed Zabbix"
+msg_ok "Installed Zabbix $ZABBIX_VERSION"
 
 while true; do
   read -rp "Which agent do you want to install? [1=agent (classic), 2=agent2 (modern), default=1]: " AGENT_CHOICE