add titles and style

opensearch-node-installer.sh

@@ -30,6 +30,11 @@ NL="$(printf '\n  ')"
 printwc() {
     printf "%b$2%b" "$1" "${Color_Off}"
 }
+print_title() {
+    printwc "${Blue}" "\n#--------------------------------------------------"
+    printwc "${Blue}" "\n# $1"
+    printwc "${Blue}" "\n#--------------------------------------------------\n"
+}
 install_if_not() {
     if [ "$(dpkg-query -W -f='${Status}' "$1" 2>/dev/null | \
         grep -c "ok installed")" == "1" ]; then
@@ -88,7 +93,7 @@ fi
 apt-get update -q2
 
 # Test RAM size (4GB min) + CPUs (min 2)
-#Check system resources
+print_title "Check system resources"
 printf "\n\nVerifying System Resources:"
 if [ "$(nproc --all)" -lt 2 ];then
     printf "\nWarning!: The system do not meet the minimum CPU"
@@ -134,7 +139,8 @@ printf '\nThis server will likely have issues due the lack of resources.\n'
 printf '>>> We highly recommend to increase resources of this server. <<<\n'
 fi
 sleep .1
-# Set domain
+
+print_title "Set CA domain"
 while [ "$ANS_DMN" != "yes" ]
 do
     read -p "> Set your CA domain (or subdomain) here: $NL" -r DOMAIN
@@ -165,13 +171,15 @@ else
     fi
 fi
 sleep .1
-# Check & install docker
-install_if_not docker.io
-install_if_not docker-compose
 
+print_title "Set system vm.max_map_count."
 sysctl -w vm.max_map_count="$max_map_count"
 set_once_hash_comment "vm.max_map_count=$max_map_count" "/etc/sysctl.conf"
 
+print_title "Install and setup Docker"
+install_if_not docker.io
+install_if_not docker-compose
+
 mkdir -p "$OPNSDIR"
 docker pull "$opens_fts"
 BCRYPT_HASH="$(docker run --rm -it $opens_fts \
@@ -295,13 +303,13 @@ networks:
 #[1] https://github.com/opensearch-project/performance-analyzer
 YML_DOCKER_COMPOSE
 
-# Prepare certs
+print_title "Prepare certs"
 create_certs "$DOMAIN"
 
 # Set permissions
 chmod 744 -R  $OPNSDIR
 
-# Launch docker-compose
+print_title "Launch opensearch via docker-compose"
 cd $OPNSDIR
 docker-compose up -d
 
@@ -331,4 +339,5 @@ docker-compose exec fts_os-node \
 
 docker logs $fts_node
 
-printwc "$Green" "\n\nYou can now use: \"http://${INDEX_USER}:${OPNSREST}@localhost:9200\"\n"
+printwc "$Green" "\n\nYou can now use: "
+printwc "$Cyan"  "'http://${INDEX_USER}:${OPNSREST}@localhost:9200'\n"