setup log file and supported distro checks.

use wait_for_bootstrapping as function

opensearch-node-installer.sh

@@ -5,6 +5,22 @@
 # T&M Hansson IT AB © - 2022, https://www.hanssonit.se/
 # GPLv3 or later.
 #
+{
+echo "Started at $(date +'%Y-%m-%d %H:%M:%S')" >> opensearch-installer.log
+
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo bash ./$0 [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+    set -x
+fi
 
 # Reset
 Color_Off='\e[0m'       # Text Reset
@@ -18,6 +34,9 @@ Purple='\e[0;35m'       # Purple
 Cyan='\e[0;36m'         # Cyan
 
 MEM_AVAILABLE="$(grep MemTotal /proc/meminfo| grep -o '[0-9]\+')"
+DIST=$(lsb_release -sc)
+TODAY=$(date +%s)
+NEXT_LTS_DATE=$(date -d 2024-04-01 +%s)
 OPNSDIR="/opt/opensearch"
 INDEX_USER="$(tr -dc '[:lower:]' < /dev/urandom | fold -w 24 | head -n1)"
 OPNSREST="$(tr -dc "a-zA-Z0-9" < /dev/urandom | fold -w 32 | head -n1)"
@@ -27,6 +46,14 @@ fts_node="fts_os-node"
 max_map_count="512000"
 NL="$(printf '\n  ')"
 
+rename_distro() {
+    if [ "$DIST" = "$1" ]; then
+        DIST="$2"
+    fi
+}
+#Trisquel distro upstream referencing.
+rename_distro nabia  focal
+rename_distro aramo  jammy
 printwc() {
     printf "%b$2%b" "$1" "${Color_Off}"
 }
@@ -82,6 +109,14 @@ while [ $secs -gt 0 ]; do
    : $((secs--))
 done
 }
+wait_for_bootstrapping() {
+if [ "$(nproc)" -gt 2 ]
+then
+    countdown "Waiting for Docker bootstrapping..." "30"
+else
+    countdown "Waiting for Docker bootstrapping..." "60"
+fi
+}
 
 #Check if user is root
 if ! [ "$(id -u)" = 0 ]; then
@@ -89,6 +124,26 @@ if ! [ "$(id -u)" = 0 ]; then
    exit 0
 fi
 
+printf "\nOS: %s" "$(lsb_release -sd)"
+if [ "$DIST" = "focal" ] || \
+   [ "$DIST" = "jammy" ]; then
+    printf "\nGood, this is a supported platform!"
+else
+    printf "\nSorry, this platform is not supported... exiting"
+    exit
+fi
+# Suggest 22.04 LTS release over 20.04 in April 2024
+if [ "$DIST" = "focal" ]; then
+  if [ "$TODAY" -gt "$NEXT_LTS_DATE" ]; then
+    echo "  > $(lsb_release -sc), even when it's compatible and functional."
+    echo -n "    We suggest to use the next (LTS) release, for longer"
+    echo " support and security reasons."
+    read -n 1 -s -r -p "Press any key to continue..."$'\n'
+  else
+    echo "Focal is supported."
+  fi
+fi
+
 # Check update
 apt-get update -q2
 
@@ -313,13 +368,7 @@ print_title "Launch opensearch via docker-compose"
 cd $OPNSDIR
 docker-compose up -d
 
-# Wait for bootstrapping
-if [ "$(nproc)" -gt 2 ]
-then
-    countdown "Waiting for Docker bootstrapping..." "30"
-else
-    countdown "Waiting for Docker bootstrapping..." "60"
-fi
+wait_for_bootstrapping
 
 # Make sure password setup is enforced.
 docker-compose exec fts_os-node \
@@ -337,7 +386,17 @@ docker-compose exec fts_os-node \
                         ../../../config/admin.pem \
                         ../../../config/admin-key.pem"
 
+wait_for_bootstrapping
 docker logs $fts_node
 
+if curl -sXGET "http://${INDEX_USER}:${OPNSREST}@localhost:9200"
+then
     printwc "$Green" "\n\nYou can now use: "
     printwc "$Cyan"  "'http://${INDEX_USER}:${OPNSREST}@localhost:9200'\n"
+else
+    printwc "$Red" "\n\nSetup have failed please report to: "
+    printwc "$Cyan" \
+    "'https://forge.switnet.net/switnet/simple-opensearch-installer'\n"
+fi
+
+}  > >(tee -a opensearch-installer.log) 2> >(tee -a opensearch-installer.log >&2)