mirror of
https://github.com/community-scripts/ProxmoxVE.git
synced 2025-11-04 10:22:50 +00:00
190 lines
6.3 KiB
Bash
190 lines
6.3 KiB
Bash
#!/usr/bin/env bash
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set -eEuo pipefail
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function header_info() {
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clear
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cat <<"EOF"
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_______ __ __ ______ _
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/ ____(_) /__ _______ _______/ /____ ____ ___ /_ __/____(_)___ ___
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/ /_ / / / _ \/ ___/ / / / ___/ __/ _ \/ __ `__ \ / / / ___/ / __ `__ \
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/ __/ / / / __(__ ) /_/ (__ ) /_/ __/ / / / / / / / / / / / / / / / /
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/_/ /_/_/\___/____/\__, /____/\__/\___/_/ /_/ /_/ /_/ /_/ /_/_/ /_/ /_/
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/____/
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EOF
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}
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BL="\033[36m"
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RD="\033[01;31m"
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GN="\033[1;92m"
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CL="\033[m"
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LOGFILE="/var/log/fstrim.log"
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touch "$LOGFILE"
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chmod 600 "$LOGFILE"
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echo -e "\n----- $(date '+%Y-%m-%d %H:%M:%S') | fstrim Run by $(whoami) on $(hostname) -----" >>"$LOGFILE"
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header_info
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echo "Loading..."
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whiptail --backtitle "Proxmox VE Helper Scripts" \
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--title "About fstrim (LXC)" \
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--msgbox "The 'fstrim' command releases unused blocks back to the storage device. This only makes sense for containers on SSD, NVMe, Thin-LVM, or storage with discard/TRIM support.\n\nIf your root filesystem or container disks are on classic HDDs, thick LVM, or unsupported storage types, running fstrim will have no effect.\n\nRecommended:\n- Use fstrim only on SSD, NVMe, or thin-provisioned storage with discard enabled.\n- For ZFS, ensure 'autotrim=on' is set on your pool.\n" 16 88
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ROOT_FS=$(df -Th "/" | awk 'NR==2 {print $2}')
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if [ "$ROOT_FS" != "ext4" ]; then
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whiptail --backtitle "Proxmox VE Helper Scripts" \
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--title "Warning" \
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--yesno "Root filesystem is not ext4 ($ROOT_FS).\nContinue anyway?" 12 80 || exit 1
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fi
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NODE=$(hostname)
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EXCLUDE_MENU=()
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STOPPED_MENU=()
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MAX_NAME_LEN=0
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MAX_STAT_LEN=0
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# Build arrays with one pct list
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mapfile -t CTLINES < <(pct list | awk 'NR>1')
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for LINE in "${CTLINES[@]}"; do
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CTID=$(awk '{print $1}' <<<"$LINE")
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STATUS=$(awk '{print $2}' <<<"$LINE")
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NAME=$(awk '{print $3}' <<<"$LINE")
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((${#NAME} > MAX_NAME_LEN)) && MAX_NAME_LEN=${#NAME}
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((${#STATUS} > MAX_STAT_LEN)) && MAX_STAT_LEN=${#STATUS}
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done
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FMT="%-${MAX_NAME_LEN}s | %-${MAX_STAT_LEN}s"
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for LINE in "${CTLINES[@]}"; do
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CTID=$(awk '{print $1}' <<<"$LINE")
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STATUS=$(awk '{print $2}' <<<"$LINE")
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NAME=$(awk '{print $3}' <<<"$LINE")
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DESC=$(printf "$FMT" "$NAME" "$STATUS")
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EXCLUDE_MENU+=("$CTID" "$DESC" "OFF")
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if [[ "$STATUS" == "stopped" ]]; then
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STOPPED_MENU+=("$CTID" "$DESC" "OFF")
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fi
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done
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excluded_containers_raw=$(whiptail --backtitle "Proxmox VE Helper Scripts" \
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--title "Containers on $NODE" \
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--checklist "\nSelect containers to skip from trimming:\n" \
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20 $((MAX_NAME_LEN + MAX_STAT_LEN + 20)) 12 "${EXCLUDE_MENU[@]}" 3>&1 1>&2 2>&3)
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[ $? -ne 0 ] && exit
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read -ra EXCLUDED <<<$(echo "$excluded_containers_raw" | tr -d '"')
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TO_START=()
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if [ ${#STOPPED_MENU[@]} -gt 0 ]; then
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for ((i = 0; i < ${#STOPPED_MENU[@]}; i += 3)); do
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CTID="${STOPPED_MENU[i]}"
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DESC="${STOPPED_MENU[i + 1]}"
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if [[ " ${EXCLUDED[*]} " =~ " $CTID " ]]; then
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continue
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fi
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header_info
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echo -e "${BL}[Info]${GN} Container $CTID ($DESC) is currently stopped.${CL}"
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read -rp "Temporarily start for fstrim? [y/N]: " answer
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if [[ "$answer" =~ ^[Yy]$ ]]; then
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TO_START+=("$CTID")
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fi
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done
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fi
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declare -A WAS_STOPPED
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for ct in "${TO_START[@]}"; do
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WAS_STOPPED["$ct"]=1
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done
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function trim_container() {
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local container="$1"
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local name="$2"
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header_info
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echo -e "${BL}[Info]${GN} Trimming ${BL}$container${CL} \n"
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local before_trim after_trim
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local lv_name="vm-${container}-disk-0"
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if lvs --noheadings -o lv_name 2>/dev/null | grep -qw "$lv_name"; then
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before_trim=$(lvs --noheadings -o lv_name,data_percent 2>/dev/null | awk -v ctid="$lv_name" '$1 == ctid {gsub(/%/, "", $2); print $2}')
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[[ -n "$before_trim" ]] && echo -e "${RD}Data before trim $before_trim%${CL}" || echo -e "${RD}Data before trim: not available${CL}"
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else
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before_trim=""
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echo -e "${RD}Data before trim: not available (non-LVM storage)${CL}"
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fi
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local fstrim_output
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fstrim_output=$(pct fstrim "$container" 2>&1)
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if echo "$fstrim_output" | grep -qi "not supported"; then
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echo -e "${RD}fstrim isnt supported on this storage!${CL}"
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elif echo "$fstrim_output" | grep -Eq '([0-9]+(\.[0-9]+)?\s*[KMGT]?B)'; then
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echo -e "${GN}fstrim result: $fstrim_output${CL}"
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else
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echo -e "${RD}fstrim result: $fstrim_output${CL}"
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fi
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if lvs --noheadings -o lv_name 2>/dev/null | grep -qw "$lv_name"; then
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after_trim=$(lvs --noheadings -o lv_name,data_percent 2>/dev/null | awk -v ctid="$lv_name" '$1 == ctid {gsub(/%/, "", $2); print $2}')
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[[ -n "$after_trim" ]] && echo -e "${GN}Data after trim $after_trim%${CL}" || echo -e "${GN}Data after trim: not available${CL}"
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else
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after_trim=""
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echo -e "${GN}Data after trim: not available (non-LVM storage)${CL}"
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fi
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# Logging
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echo "$(date '+%Y-%m-%d %H:%M:%S') | CTID=$container | Name=$name | Before=${before_trim:-N/A}% | After=${after_trim:-N/A}% | fstrim: $fstrim_output" >>"$LOGFILE"
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sleep 0.5
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}
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for LINE in "${CTLINES[@]}"; do
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CTID=$(awk '{print $1}' <<<"$LINE")
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STATUS=$(awk '{print $2}' <<<"$LINE")
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NAME=$(awk '{print $3}' <<<"$LINE")
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if [[ " ${EXCLUDED[*]} " =~ " $CTID " ]]; then
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header_info
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echo -e "${BL}[Info]${GN} Skipping $CTID ($NAME, excluded)${CL}"
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sleep 0.5
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continue
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fi
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if pct config "$CTID" | grep -q "template:"; then
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header_info
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echo -e "${BL}[Info]${GN} Skipping $CTID ($NAME, template)${CL}\n"
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sleep 0.5
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continue
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fi
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if [[ "$STATUS" != "running" ]]; then
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if [[ -n "${WAS_STOPPED[$CTID]:-}" ]]; then
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header_info
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echo -e "${BL}[Info]${GN} Starting $CTID ($NAME) for trim...${CL}"
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pct start "$CTID"
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sleep 2
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else
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header_info
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echo -e "${BL}[Info]${GN} Skipping $CTID ($NAME, not running, not selected)${CL}"
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sleep 0.5
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continue
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fi
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fi
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trim_container "$CTID" "$NAME"
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if [[ -n "${WAS_STOPPED[$CTID]:-}" ]]; then
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read -rp "Stop LXC $CTID ($NAME) again after trim? [Y/n]: " answer
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if [[ ! "$answer" =~ ^[Nn]$ ]]; then
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header_info
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echo -e "${BL}[Info]${GN} Stopping $CTID ($NAME) again...${CL}"
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pct stop "$CTID"
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sleep 1
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else
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header_info
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echo -e "${BL}[Info]${GN} Leaving $CTID ($NAME) running as requested.${CL}"
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sleep 1
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fi
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fi
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done
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header_info
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echo -e "${GN}Finished, LXC Containers Trimmed.${CL} \n"
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echo -e "${BL}If you want to see the complete log: cat $LOGFILE${CL}"
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exit 0
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