From c02014a1628bd725749dc5c2c4cbeeab0818a57d Mon Sep 17 00:00:00 2001
From: CanbiZ <47820557+MickLesk@users.noreply.github.com>
Date: Thu, 7 Aug 2025 09:20:32 +0200
Subject: [PATCH] FSTrim Refactor

---
 tools/pve/clean-lxcs.sh |  1 +
 tools/pve/fstrim.sh     | 98 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 99 insertions(+)
 create mode 100644 tools/pve/fstrim.sh

diff --git a/tools/pve/clean-lxcs.sh b/tools/pve/clean-lxcs.sh
index 7050f342..e6d06c22 100644
--- a/tools/pve/clean-lxcs.sh
+++ b/tools/pve/clean-lxcs.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 
 # Copyright (c) 2021-2025 community-scripts ORG
+# Author: tteck (tteckster) | MickLesk (CanbiZ)
 # License: MIT
 # https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
 
diff --git a/tools/pve/fstrim.sh b/tools/pve/fstrim.sh
new file mode 100644
index 00000000..97c5fe81
--- /dev/null
+++ b/tools/pve/fstrim.sh
@@ -0,0 +1,98 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2021-2025 tteck
+# Author: tteck (tteckster)
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+set -eEuo pipefail
+
+function header_info() {
+  clear
+  cat <<"EOF"
+    _______ __                     __                    ______     _
+   / ____(_) /__  _______  _______/ /____  ____ ___     /_  __/____(_)___ ___
+  / /_  / / / _ \/ ___/ / / / ___/ __/ _ \/ __ `__ \     / / / ___/ / __ `__ \
+ / __/ / / /  __(__  ) /_/ (__  ) /_/  __/ / / / / /    / / / /  / / / / / / /
+/_/   /_/_/\___/____/\__, /____/\__/\___/_/ /_/ /_/    /_/ /_/  /_/_/ /_/ /_/
+                    /____/
+EOF
+}
+
+BL="\033[36m"
+RD="\033[01;31m"
+CM='\xE2\x9C\x94\033'
+GN="\033[1;92m"
+CL="\033[m"
+
+header_info
+echo "Loading..."
+
+ROOT_FS=$(df -Th "/" | awk 'NR==2 {print $2}')
+if [ "$ROOT_FS" != "ext4" ]; then
+  whiptail --backtitle "Proxmox VE Helper Scripts" \
+    --title "Warning" \
+    --yesno "Root filesystem is not ext4 ($ROOT_FS).\nContinue anyway?" 10 58 || exit 1
+fi
+
+NODE=$(hostname)
+EXCLUDE_MENU=()
+MSG_MAX_LENGTH=0
+
+while read -r TAG ITEM; do
+  OFFSET=2
+  ((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=$((${#ITEM} + OFFSET))
+  EXCLUDE_MENU+=("$TAG" "$ITEM " "OFF")
+done < <(pct list | awk 'NR>1')
+
+excluded_containers_raw=$(whiptail --backtitle "Proxmox VE Helper Scripts" \
+  --title "Containers on $NODE" \
+  --checklist "\nSelect containers to skip from trimming:\n" \
+  16 $((MSG_MAX_LENGTH + 23)) 6 "${EXCLUDE_MENU[@]}" 3>&1 1>&2 2>&3)
+
+[ $? -ne 0 ] && exit
+
+read -ra EXCLUDED <<<$(echo "$excluded_containers_raw" | tr -d '"')
+
+function trim_container() {
+  local container="$1"
+  header_info
+  echo -e "${BL}[Info]${GN} Trimming ${BL}$container${CL} \n"
+
+  local before_trim after_trim
+  before_trim=$(lvs --noheadings -o lv_name,data_percent | awk -v ctid="vm-${container}-disk-0" '$1 == ctid {gsub(/%/, "", $2); print $2}')
+  echo -e "${RD}Data before trim $before_trim%${CL}"
+
+  pct fstrim "$container"
+
+  after_trim=$(lvs --noheadings -o lv_name,data_percent | awk -v ctid="vm-${container}-disk-0" '$1 == ctid {gsub(/%/, "", $2); print $2}')
+  echo -e "${GN}Data after trim $after_trim%${CL}"
+
+  sleep 0.5
+}
+
+for container in $(pct list | awk 'NR>1 {print $1}'); do
+  if [[ " ${EXCLUDED[*]} " =~ " $container " ]]; then
+    header_info
+    echo -e "${BL}[Info]${GN} Skipping ${BL}$container${CL}"
+    sleep 0.5
+    continue
+  fi
+  if pct config "$container" | grep -q "template:"; then
+    header_info
+    echo -e "${BL}[Info]${GN} Skipping ${container} ${RD}$container is a template${CL} \n"
+    sleep 0.5
+    continue
+  fi
+  state=$(pct status "$container" | awk '{print $2}')
+  if [[ "$state" != "running" ]]; then
+    header_info
+    echo -e "${BL}[Info]${GN} Skipping $container (not running)${CL}"
+    sleep 0.5
+    continue
+  fi
+  trim_container "$container"
+done
+
+header_info
+echo -e "${GN}Finished, LXC Containers Trimmed.${CL} \n"
+exit 0