fix: Spelling mistake (#1105)

Reduced spare disk space threshold from 2GB to 512MB.

.devcontainer.json

@@ -1,6 +0,0 @@
-{
-  "name": "dsm",
-  "service": "dsm",
-  "forwardPorts": [5000],
-  "dockerComposeFile": "compose.yml"
-}

.devcontainer/codespaces.yml

@@ -0,0 +1,19 @@
+services:
+  dsm:
+    container_name: dsm
+    image: ghcr.io/vdsm/virtual-dsm
+    environment:
+      RAM_SIZE: "half"
+      DISK_SIZE: "max"
+      CPU_CORES: "max"
+    devices:
+      - /dev/kvm
+      - /dev/net/tun
+    cap_add:
+      - NET_ADMIN
+    ports:
+      - 5000:5000
+    volumes:
+      - ./dsm:/storage
+    restart: on-failure
+    stop_grace_period: 2m

.devcontainer/devcontainer.json

@@ -0,0 +1,17 @@
+{
+  "name": "Virtual DSM",
+  "service": "vdsm",
+  "forwardPorts": [5000],
+  "portsAttributes": {
+    "5000": {
+      "label": "Web",
+      "onAutoForward": "notify"
+    }
+  },
+  "otherPortsAttributes": {
+    "onAutoForward": "ignore"
+  }, 
+  "dockerComposeFile": "codespaces.yml",
+  "workspaceFolder": "/workspaces/vdsm",
+  "initializeCommand": "docker system prune --all --force"
+}

.dockerignore

@@ -1,4 +1,5 @@
 .dockerignore
+.devcontainer
 .git
 .github
 .gitignore

.github/workflows/check.yml

@@ -22,3 +22,8 @@ jobs:
           dockerfile: Dockerfile
           ignore: DL3008,DL3003,DL3006,DL3013
           failure-threshold: warning
+      -
+        name: Validate JSON and YML files
+        uses: GrantBirki/json-yaml-validate@v4
+        with:
+          yaml_exclude_regex: ".*\\kubernetes\\.yml$"

.github/workflows/review.yml

@@ -0,0 +1,66 @@
+on:
+  pull_request:
+
+name: "Review"
+
+permissions:
+  contents: read
+  pull-requests: write
+  checks: write
+
+jobs:
+  review:
+    name: review
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v5
+      -
+        name: Spelling
+        uses: reviewdog/action-misspell@v1
+        with:
+          locale: "US"
+          level: warning
+          pattern: |
+            *.md
+            *.sh
+          reporter: github-pr-review
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Hadolint
+        uses: reviewdog/action-hadolint@v1
+        with:
+          level: warning
+          reporter: github-pr-review
+          hadolint_ignore: DL3008 DL3003 DL3006 DL3013
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: YamlLint
+        uses: reviewdog/action-yamllint@v1
+        with:
+          level: warning
+          reporter: github-pr-review
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: ActionLint
+        uses: reviewdog/action-actionlint@v1
+        with:
+          level: warning
+          reporter: github-pr-review
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Shellformat
+        uses: reviewdog/action-shfmt@v1
+        with:
+          level: warning
+          shfmt_flags: "-i 2 -ci -bn"
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      -
+        name: Shellcheck
+        uses: reviewdog/action-shellcheck@v1
+        with:
+          level: warning
+          reporter: github-pr-review
+          shellcheck_flags: -x -e SC2001 -e SC2034 -e SC2064 -e SC2317 -e SC2153 -e SC2028          
+          github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

@@ -1,11 +1,6 @@
 on:
   workflow_dispatch:
   pull_request:
-    paths:
-      - '**/*.sh'
-      - 'Dockerfile'
-      - '.github/workflows/test.yml'
-      - '.github/workflows/check.yml'
 
 name: "Test"
 permissions: {}

readme.md

@@ -47,7 +47,7 @@ services:
 ##### Via Docker CLI:
 
 ```bash
-docker run -it --rm --name dsm -e "DISK_SIZE=256G" -p 5000:5000 --device=/dev/kvm --device=/dev/net/tun --cap-add NET_ADMIN -v "${PWD:-.}/dsm:/storage" --stop-timeout 120 vdsm/virtual-dsm
+docker run -it --rm --name dsm -e "DISK_SIZE=256G" -p 5000:5000 --device=/dev/kvm --device=/dev/net/tun --cap-add NET_ADMIN -v "${PWD:-.}/dsm:/storage" --stop-timeout 120 docker.io/vdsm/virtual-dsm
 ```
 
 ##### Via Kubernetes:
@@ -124,7 +124,7 @@ kubectl apply -f https://raw.githubusercontent.com/vdsm/virtual-dsm/refs/heads/m
 
 ### How do I change the amount of CPU or RAM?
 
-  By default, the container will be allowed to use a maximum of 2 CPU cores and 2 GB of RAM.
+  By default, Virtual DSM will be allowed to use 2 CPU cores and 2 GB of RAM.
 
   If you want to adjust this, you can specify the desired amount using the following environment variables:
 

src/config.sh

@@ -12,32 +12,4 @@ DEV_OPTS+=" -device virtio-rng-pci,rng=objrng0,id=rng0,bus=pcie.0,addr=0x1c"
 ARGS="$DEF_OPTS $CPU_OPTS $RAM_OPTS $MAC_OPTS $DISPLAY_OPTS $MON_OPTS $SERIAL_OPTS $NET_OPTS $DISK_OPTS $DEV_OPTS $ARGUMENTS"
 ARGS=$(echo "$ARGS" | sed 's/\t/ /g' | tr -s ' ')
 
-# Check available memory as the very last step
-
-if [[ "$RAM_CHECK" != [Nn]* ]]; then
-
-  RAM_AVAIL=$(free -b | grep -m 1 Mem: | awk '{print $7}')
-  AVAIL_MEM=$(formatBytes "$RAM_AVAIL")
-
-  if (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); then
-    msg="Your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is too high for the $AVAIL_MEM of memory available, please set a lower value."
-    [[ "${FS,,}" != "zfs" ]] && error "$msg" && exit 17
-    info "$msg"
-  else
-    if (( (RAM_WANTED + (RAM_SPARE * 3)) > RAM_AVAIL )); then
-      msg="your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is very close to the $AVAIL_MEM of memory available, please consider a lower value."
-      if [[ "${FS,,}" != "zfs" ]]; then
-        warn "$msg"
-      else
-        info "$msg"
-      fi
-    fi
-  fi
-
-fi
-
-if [[ "$DEBUG" == [Yy1]* ]]; then
-  printf "QEMU arguments:\n\n%s\n\n" "${ARGS// -/$'\n-'}"
-fi
-
 return 0

src/disk.sh

@@ -17,8 +17,16 @@ SYSTEM="$STORAGE/$BASE.system.img"
 [ ! -s "$BOOT" ] && error "Virtual DSM boot-image does not exist ($BOOT)" && exit 81
 [ ! -s "$SYSTEM" ] && error "Virtual DSM system-image does not exist ($SYSTEM)" && exit 82
 
+if ! setOwner "$BOOT"; then
+  error "Failed to set the owner for \"$BOOT\" !"
+fi
+
+if ! setOwner "$SYSTEM"; then
+  error "Failed to set the owner for \"$SYSTEM\" !"
+fi
+
 fmt2ext() {
-  local DISK_FMT=$1
+  local DISK_FMT="$1"
 
   case "${DISK_FMT,,}" in
     qcow2)
@@ -34,7 +42,7 @@ fmt2ext() {
 }
 
 ext2fmt() {
-  local DISK_EXT=$1
+  local DISK_EXT="$1"
 
   case "${DISK_EXT,,}" in
     qcow2)
@@ -50,7 +58,7 @@ ext2fmt() {
 }
 
 getSize() {
-  local DISK_FILE=$1
+  local DISK_FILE="$1"
   local DISK_EXT DISK_FMT
 
   DISK_EXT=$(echo "${DISK_FILE//*./}" | sed 's/^.*\.//')
@@ -70,7 +78,7 @@ getSize() {
 }
 
 isCow() {
-  local FS=$1
+  local FS="$1"
 
   if [[ "${FS,,}" == "btrfs" ]]; then
     return 0
@@ -80,7 +88,7 @@ isCow() {
 }
 
 supportsDirect() {
-  local FS=$1
+  local FS="$1"
 
   if [[ "${FS,,}" == "ecryptfs" || "${FS,,}" == "tmpfs" ]]; then
     return 1
@@ -91,17 +99,17 @@ supportsDirect() {
 
 createDisk() {
 
-  local DISK_FILE=$1
+  local DISK_FILE="$1"
-  local DISK_SPACE=$2
+  local DISK_SPACE="$2"
-  local DISK_DESC=$3
+  local DISK_DESC="$3"
-  local DISK_FMT=$4
+  local DISK_FMT="$4"
-  local FS=$5
+  local FS="$5"
   local DATA_SIZE DIR SPACE GB FA
 
-  DATA_SIZE=$(numfmt --from=iec "$DISK_SPACE")
-
   rm -f "$DISK_FILE"
 
+  DATA_SIZE=$(numfmt --from=iec "$DISK_SPACE")
+
   if [[ "$ALLOCATE" != [Nn]* ]]; then
 
     # Check free diskspace
@@ -113,6 +121,7 @@ createDisk() {
       error "Not enough free space to create a $DISK_DESC of ${DISK_SPACE/G/ GB} in $DIR, it has only $GB available..."
       error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting ALLOCATE=N." && exit 76
     fi
+
   fi
 
   html "Creating a $DISK_DESC image..."
@@ -177,16 +186,16 @@ createDisk() {
 
 resizeDisk() {
 
-  local DISK_FILE=$1
+  local DISK_FILE="$1"
-  local DISK_SPACE=$2
+  local DISK_SPACE="$2"
-  local DISK_DESC=$3
+  local DISK_DESC="$3"
-  local DISK_FMT=$4
+  local DISK_FMT="$4"
-  local FS=$5
+  local FS="$5"
   local CUR_SIZE DATA_SIZE DIR SPACE GB
 
   CUR_SIZE=$(getSize "$DISK_FILE")
   DATA_SIZE=$(numfmt --from=iec "$DISK_SPACE")
-  local REQ=$((DATA_SIZE-CUR_SIZE))
+  local REQ=$(( DATA_SIZE - CUR_SIZE ))
   (( REQ < 1 )) && error "Shrinking disks is not supported yet, please increase ${DISK_DESC^^}_SIZE." && exit 71
 
   if [[ "$ALLOCATE" != [Nn]* ]]; then
@@ -200,6 +209,7 @@ resizeDisk() {
       error "Not enough free space to resize $DISK_DESC to ${DISK_SPACE/G/ GB} in $DIR, it has only $GB available.."
       error "Please specify a smaller ${DISK_DESC^^}_SIZE or disable preallocation by setting ALLOCATE=N." && exit 74
     fi
+
   fi
 
   GB=$(formatBytes "$CUR_SIZE")
@@ -245,13 +255,13 @@ resizeDisk() {
 
 convertDisk() {
 
-  local SOURCE_FILE=$1
+  local SOURCE_FILE="$1"
-  local SOURCE_FMT=$2
+  local SOURCE_FMT="$2"
-  local DST_FILE=$3
+  local DST_FILE="$3"
-  local DST_FMT=$4
+  local DST_FMT="$4"
-  local DISK_BASE=$5
+  local DISK_BASE="$5"
-  local DISK_DESC=$6
+  local DISK_DESC="$6"
-  local FS=$7
+  local FS="$7"
 
   [ -f "$DST_FILE" ] && error "Conversion failed, destination file $DST_FILE already exists?" && exit 79
   [ ! -f "$SOURCE_FILE" ] && error "Conversion failed, source file $SOURCE_FILE does not exists?" && exit 79
@@ -273,6 +283,7 @@ convertDisk() {
       error "Not enough free space to convert $DISK_DESC to $DST_FMT in $DIR, it has only $GB available..."
       error "Please free up some disk space or disable preallocation by setting ALLOCATE=N." && exit 76
     fi
+
   fi
 
   local msg="Converting $DISK_DESC to $DST_FMT"
@@ -327,31 +338,31 @@ convertDisk() {
 
 checkFS () {
 
-  local FS=$1
+  local FS="$1"
-  local DISK_FILE=$2
+  local DISK_FILE="$2"
-  local DISK_DESC=$3
+  local DISK_DESC="$3"
   local DIR FA
 
   DIR=$(dirname "$DISK_FILE")
   [ ! -d "$DIR" ] && return 0
 
-  if [[ "${FS,,}" == "overlay"* ]]; then
+  if [[ "${FS,,}" == "overlay"* && "${ENGINE,,}" == "docker" ]]; then
-    info "Warning: the filesystem of $DIR is OverlayFS, this usually means it was binded to an invalid path!"
+    warn "the filesystem of $DIR is OverlayFS, this usually means it was binded to an invalid path!"
   fi
 
   if [[ "${FS,,}" == "fuse"* ]]; then
-    info "Warning: the filesystem of $DIR is FUSE, this extra layer will negatively affect performance!"
+    warn "the filesystem of $DIR is FUSE, this extra layer will negatively affect performance!"
   fi
 
   if ! supportsDirect "$FS"; then
-    info "Warning: the filesystem of $DIR is $FS, which does not support O_DIRECT mode, adjusting settings..."
+    warn "the filesystem of $DIR is $FS, which does not support O_DIRECT mode, adjusting settings..."
   fi
 
   if isCow "$FS"; then
     if [ -f "$DISK_FILE" ]; then
       FA=$(lsattr "$DISK_FILE")
       if [[ "$FA" != *"C"* ]]; then
-        info "Warning: COW (copy on write) is not disabled for $DISK_DESC image file $DISK_FILE, this is recommended on ${FS^^} filesystems!"
+        warn "COW (copy on write) is not disabled for $DISK_DESC image file $DISK_FILE, this is recommended on ${FS^^} filesystems!"
       fi
     fi
   fi
@@ -361,15 +372,15 @@ checkFS () {
 
 createDevice () {
 
-  local DISK_FILE=$1
+  local DISK_FILE="$1"
-  local DISK_TYPE=$2
+  local DISK_TYPE="$2"
-  local DISK_INDEX=$3
+  local DISK_INDEX="$3"
-  local DISK_ADDRESS=$4
+  local DISK_ADDRESS="$4"
-  local DISK_FMT=$5
+  local DISK_FMT="$5"
-  local DISK_IO=$6
+  local DISK_IO="$6"
-  local DISK_CACHE=$7
+  local DISK_CACHE="$7"
-  local DISK_SERIAL=$8
+  local DISK_SERIAL="$8"
-  local DISK_SECTORS=$9
+  local DISK_SECTORS="$9"
   local DISK_ID="data$DISK_INDEX"
 
   local index=""
@@ -415,16 +426,16 @@ createDevice () {
 
 addDisk () {
 
-  local DISK_BASE=$1
+  local DISK_BASE="$1"
-  local DISK_TYPE=$2
+  local DISK_TYPE="$2"
-  local DISK_DESC=$3
+  local DISK_DESC="$3"
-  local DISK_SPACE=$4
+  local DISK_SPACE="$4"
-  local DISK_INDEX=$5
+  local DISK_INDEX="$5"
-  local DISK_ADDRESS=$6
+  local DISK_ADDRESS="$6"
-  local DISK_FMT=$7
+  local DISK_FMT="$7"
-  local DISK_IO=$8
+  local DISK_IO="$8"
-  local DISK_CACHE=$9
+  local DISK_CACHE="$9"
-  local DISK_EXT DIR SPACE DATA_SIZE FS PREV_FMT PREV_EXT CUR_SIZE
+  local DISK_EXT DIR SPACE GB DATA_SIZE FS PREV_FMT PREV_EXT CUR_SIZE LEFT FREE USED
 
   DISK_EXT=$(fmt2ext "$DISK_FMT")
   local DISK_FILE="$DISK_BASE.$DISK_EXT"
@@ -432,8 +443,25 @@ addDisk () {
   DIR=$(dirname "$DISK_FILE")
   [ ! -d "$DIR" ] && return 0
 
+  if [[ "${DISK_SPACE,,}" == "max" || "${DISK_SPACE,,}" == "half" ]]; then
+
+    local SPARE=1073741824
+    FREE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
+
+    if [[ "${DISK_SPACE,,}" == "max" ]]; then
+      FREE=$(( FREE - SPARE ))
+    else
+      FREE=$(( FREE / 2 ))
+    fi
+
+    (( FREE < SPARE )) && FREE="$SPARE"
+    GB=$(( FREE / 1073741825 ))
+    DISK_SPACE="${GB}G"
+
+  fi
+
   SPACE="${DISK_SPACE// /}"
-  [ -z "$SPACE" ] && SPACE="16G"
+  [ -z "$SPACE" ] && SPACE="256G"
   [ -z "${SPACE//[0-9. ]}" ] && SPACE="${SPACE}G"
   SPACE=$(echo "${SPACE^^}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
 
@@ -444,7 +472,7 @@ addDisk () {
   DATA_SIZE=$(numfmt --from=iec "$SPACE")
 
   if (( DATA_SIZE < 6442450944 )); then
-    error "Please increase ${DISK_DESC^^}_SIZE to at least 6 GB." && exit 73
+    error "Please increase the ${DISK_DESC^^}_SIZE variable to at least 6 GB." && exit 73
   fi
 
   FS=$(stat -f -c %T "$DIR")
@@ -455,7 +483,7 @@ addDisk () {
     DISK_CACHE="writeback"
   fi
 
-  if ! [ -s "$DISK_FILE" ] ; then
+  if [ ! -s "$DISK_FILE" ] ; then
 
     if [[ "${DISK_FMT,,}" != "raw" ]]; then
       PREV_FMT="raw"
@@ -468,6 +496,7 @@ addDisk () {
     if [ -s "$DISK_BASE.$PREV_EXT" ] ; then
       convertDisk "$DISK_BASE.$PREV_EXT" "$PREV_FMT" "$DISK_FILE" "$DISK_FMT" "$DISK_BASE" "$DISK_DESC" "$FS" || exit $?
     fi
+
   fi
 
   if [ -s "$DISK_FILE" ]; then
@@ -475,7 +504,18 @@ addDisk () {
     CUR_SIZE=$(getSize "$DISK_FILE")
 
     if (( DATA_SIZE > CUR_SIZE )); then
+
       resizeDisk "$DISK_FILE" "$SPACE" "$DISK_DESC" "$DISK_FMT" "$FS" || exit $?
+
+    else
+
+      if (( DATA_SIZE < CUR_SIZE )); then
+
+        if [[ "${DISK_SPACE,,}" != "max" && "${DISK_SPACE,,}" != "half" ]]; then
+          info "You decreased the ${DISK_DESC^^}_SIZE variable to ${DISK_SPACE/G/ GB} but shrinking disks is not supported, will be ignored..."
+        fi
+
+      fi
     fi
 
   else
@@ -484,6 +524,39 @@ addDisk () {
 
   fi
 
+  if [ -f "$DISK_FILE" ] && [[ "$ALLOCATE" == [Nn]* ]]; then
+
+    CUR_SIZE=$(getSize "$DISK_FILE")
+    USED=$(du -sB 1 "$DISK_FILE" | cut -f1)
+    FREE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
+    LEFT=$(( CUR_SIZE - USED - FREE ))
+
+    if (( LEFT > 0 )); then
+
+      GB=$(formatBytes "$FREE")
+      LEFT=$(formatBytes "$LEFT")
+      CUR_SIZE=$(formatBytes "$CUR_SIZE")
+      msg="the virtual size of the ${DISK_DESC,,} is $CUR_SIZE"
+
+      if [[ "$USED" == "0" ]]; then
+        msg+=","
+      else
+        USED=$(formatBytes "$USED")
+        msg+=" (of which $USED is used),"
+      fi
+
+      warn "$msg but there is only $GB of free space left in $DIR, make at least $LEFT more room available!"
+
+    fi
+
+  fi
+
+  if [ -f "$DISK_FILE" ]; then
+    if ! setOwner "$DISK_FILE"; then
+      error "Failed to set the owner for \"$DISK_FILE\" !"
+    fi
+  fi
+
   DISK_OPTS+=$(createDevice "$DISK_FILE" "$DISK_TYPE" "$DISK_INDEX" "$DISK_ADDRESS" "$DISK_FMT" "$DISK_IO" "$DISK_CACHE" "" "")
 
   return 0
@@ -491,10 +564,10 @@ addDisk () {
 
 addDevice () {
 
-  local DISK_DEV=$1
+  local DISK_DEV="$1"
-  local DISK_TYPE=$2
+  local DISK_TYPE="$2"
-  local DISK_INDEX=$3
+  local DISK_INDEX="$3"
-  local DISK_ADDRESS=$4
+  local DISK_ADDRESS="$4"
 
   [ -z "$DISK_DEV" ] && return 0
   [ ! -b "$DISK_DEV" ] && error "Device $DISK_DEV cannot be found! Please add it to the 'devices' section of your compose file." && exit 55

src/entry.sh

@@ -18,7 +18,9 @@ cd /run
 . proc.sh       # Initialize processor
 . serial.sh     # Initialize serialport
 . power.sh      # Configure shutdown
+. memory.sh     # Check available memory
 . config.sh     # Configure arguments
+. finish.sh     # Finish initialization
 
 trap - ERR
 

src/finish.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+if [[ "$DEBUG" == [Yy1]* ]]; then
+  printf "QEMU arguments:\n\n%s\n\n" "${ARGS// -/$'\n-'}"
+fi
+
+return 0

src/install.sh

@@ -31,7 +31,6 @@ if [ -n "$URL" ] && [ ! -s "$FILE" ] && [ ! -d "$DIR" ]; then
   BASE=$(basename "$URL" .pat)
   if [ ! -s "$STORAGE/$BASE.system.img" ]; then
     BASE=$(basename "${URL%%\?*}" .pat)
-    BASE="${BASE//+/ }"
     printf -v BASE '%b' "${BASE//%/\\x}"
     BASE="${BASE//[!A-Za-z0-9._-]/_}"
   fi
@@ -66,7 +65,6 @@ fi
 
 if [ ! -s "$FILE" ]; then
   BASE=$(basename "${URL%%\?*}" .pat)
-  BASE="${BASE//+/ }"
   printf -v BASE '%b' "${BASE//%/\\x}"
   BASE="${BASE//[!A-Za-z0-9._-]/_}"
 fi
@@ -82,16 +80,16 @@ rm -f "$STORAGE/$BASE.system.img"
 # Check filesystem
 FS=$(stat -f -c %T "$STORAGE")
 
-if [[ "${FS,,}" == "overlay"* ]]; then
+if [[ "${FS,,}" == "overlay"* && "${ENGINE,,}" == "docker" ]]; then
-  info "Warning: the filesystem of $STORAGE is OverlayFS, this usually means it was binded to an invalid path!"
+  warn "the filesystem of $STORAGE is OverlayFS, this usually means it was binded to an invalid path!"
 fi
 
 if [[ "${FS,,}" == "fuse"* ]]; then
-  info "Warning: the filesystem of $STORAGE is FUSE, this extra layer will negatively affect performance!"
+  warn "the filesystem of $STORAGE is FUSE, this extra layer will negatively affect performance!"
 fi
 
 if [[ "${FS,,}" == "ecryptfs" || "${FS,,}" == "tmpfs" ]]; then
-  info "Warning: the filesystem of $STORAGE is $FS, which does not support O_DIRECT mode, adjusting settings..."
+  warn "the filesystem of $STORAGE is $FS, which does not support O_DIRECT mode, adjusting settings..."
 fi
 
 if [[ "${FS,,}" == "fat"* || "${FS,,}" == "vfat"* || "${FS,,}" == "msdos"* ]]; then
@@ -100,6 +98,10 @@ fi
 
 if [[ "${FS,,}" != "exfat"* && "${FS,,}" != "ntfs"* && "${FS,,}" != "unknown"* ]]; then
   TMP="$STORAGE/tmp"
+  rm -rf "$TMP"
+  if ! makeDir "$TMP"; then
+    error "Failed to create directory \"$TMP\" !" && exit 93
+  fi
 else
   TMP="/tmp/dsm"
   TMP_SPACE=2147483648
@@ -108,10 +110,9 @@ else
   if (( TMP_SPACE > SPACE )); then
     error "Not enough free space inside the container, have $SPACE_MB available but need at least 2 GB." && exit 93
   fi
+  rm -rf "$TMP" && mkdir -p "$TMP"
 fi
 
-rm -rf "$TMP" && mkdir -p "$TMP"
-
 # Check free diskspace
 ROOT_SPACE=536870912
 SPACE=$(df --output=avail -B 1 / | tail -n 1)
@@ -224,6 +225,8 @@ if ! touch "$SYSTEM"; then
   error "Could not create file $SYSTEM for the system disk." && exit 98
 fi
 
+! setOwner "$SYSTEM" && error "Failed to set the owner for \"$SYSTEM\" !"
+
 if [[ "${FS,,}" == "btrfs" ]]; then
   { chattr +C "$SYSTEM"; } || :
   FA=$(lsattr "$SYSTEM")
@@ -256,7 +259,11 @@ PART="$TMP/partition.fdisk"
 sfdisk -q "$SYSTEM" < "$PART"
 
 MOUNT="$TMP/system"
-rm -rf "$MOUNT" && mkdir -p "$MOUNT"
+rm -rf "$MOUNT"
+
+if ! makeDir "$MOUNT"; then
+  error "Failed to create directory \"$MOUNT\" !" && exit 93
+fi
 
 MSG="Extracting system partition..."
 info "Install: $MSG" && html "$MSG"
@@ -291,6 +298,7 @@ fakeroot -- bash -c "set -Eeu;\
 
 rm -rf "$MOUNT"
 echo "$BASE" > "$STORAGE/dsm.ver"
+! setOwner "$STORAGE/dsm.ver" && error "Failed to set the owner for \"$STORAGE/dsm.ver\" !"
 
 if [[ "$URL" == "file://$STORAGE/$BASE.pat" ]]; then
   rm -f "$PAT"
@@ -298,7 +306,13 @@ else
   mv -f "$PAT" "$STORAGE/$BASE.pat"
 fi
 
+if [ -f "$STORAGE/$BASE.pat" ]; then
+  ! setOwner "$STORAGE/$BASE.pat" && error "Failed to set the owner for \"$STORAGE/$BASE.pat\" !"
+fi
+
 mv -f "$BOOT" "$STORAGE/$BASE.boot.img"
+! setOwner "$STORAGE/$BASE.boot.img" && error "Failed to set the owner for \"$STORAGE/$BASE.boot.img\" !"
+
 rm -rf "$TMP"
 
 return 0

src/memory.sh

@@ -0,0 +1,86 @@
+#!/usr/bin/env bash
+set -Eeuo pipefail
+
+RAM_AVAIL=$(free -b | grep -m 1 Mem: | awk '{print $7}')
+
+if [[ "$RAM_CHECK" != [Nn]* && "${RAM_SIZE,,}" != "max" && "${RAM_SIZE,,}" != "half" ]]; then
+
+  AVAIL_MEM=$(formatBytes "$RAM_AVAIL")
+
+  if (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); then
+    msg="Your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is too high for the $AVAIL_MEM of memory available,"
+    if [[ "${FS,,}" == "zfs" ]]; then
+      info "$msg but since ZFS is active this will be ignored."
+    else
+      RAM_SIZE="max"
+      warn "$msg it will automatically be adjusted to a lower amount."
+    fi
+  else
+    if (( (RAM_WANTED + (RAM_SPARE * 3)) > RAM_AVAIL )); then
+      msg="your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is very close to the $AVAIL_MEM of memory available,"
+      if [[ "${FS,,}" == "zfs" ]]; then
+        info "$msg but since ZFS is active this will be ignored."
+      else
+        warn "$msg please consider a lower amount."
+      fi
+    fi
+  fi
+
+fi
+
+if [[ "${RAM_SIZE,,}" == "half" ]]; then
+
+  RAM_WANTED=$(( RAM_AVAIL / 2 ))
+  RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
+
+  if (( "$RAM_WANTED" < 1 )); then
+    RAM_WANTED=$(( RAM_AVAIL / 2 ))
+    RAM_WANTED=$(( RAM_WANTED / 1048577 ))
+    RAM_SIZE="${RAM_WANTED}M"
+  else
+    RAM_SIZE="${RAM_WANTED}G"
+  fi
+
+fi
+
+if [[ "${RAM_SIZE,,}" == "max" ]]; then
+
+  RAM_WANTED=$(( RAM_AVAIL - (RAM_SPARE * 3) ))
+  RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
+
+  if (( "$RAM_WANTED" < 1 )); then
+
+    RAM_WANTED=$(( RAM_AVAIL - (RAM_SPARE * 2) ))
+    RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
+
+    if (( "$RAM_WANTED" < 1 )); then
+
+      RAM_WANTED=$(( RAM_AVAIL - RAM_SPARE ))
+      RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
+
+      if (( "$RAM_WANTED" < 1 )); then
+
+        RAM_WANTED=$(( RAM_AVAIL - RAM_SPARE ))
+        RAM_WANTED=$(( RAM_WANTED / 1048577 ))
+
+        if (( "$RAM_WANTED" < 1 )); then
+
+          RAM_WANTED=$(( RAM_AVAIL ))
+          RAM_WANTED=$(( RAM_WANTED / 1048577 ))
+
+        fi
+
+        RAM_SIZE="${RAM_WANTED}M"
+      else
+        RAM_SIZE="${RAM_WANTED}G"
+      fi
+    else
+      RAM_SIZE="${RAM_WANTED}G"
+    fi
+  else
+    RAM_SIZE="${RAM_WANTED}G"
+  fi
+
+fi
+
+return 0

src/network.sh

@@ -131,7 +131,7 @@ configureDNS() {
   rm -f "$log"
 
   case "${NETWORK,,}" in
-    "nat" | "tap" | "tun" | "tuntap" | "y" )
+    "tap" | "tun" | "tuntap" | "y" )
 
       # Create lease file for faster resolve
       echo "0 $mac $ip $host 01:$mac" > /var/lib/misc/dnsmasq.leases
@@ -183,65 +183,98 @@ configureDNS() {
   return 0
 }
 
-getUserPorts() {
-
-  local args=""
-  local list=$1
-  local ssh="22"
-  local dsm="5000"
-
-  [ -z "$list" ] && list="$ssh,$dsm" || list+=",$ssh,$dsm"
-
-  list="${list//,/ }"
-  list="${list## }"
-  list="${list%% }"
-
-  for port in $list; do
-    proto="tcp"
-    num="$port"
-
-    if [[ "$port" == */udp ]]; then
-      proto="udp"
-      num="${port%/udp}"
-    elif [[ "$port" == */tcp ]]; then
-      proto="tcp"
-      num="${port%/tcp}"
-    fi
-
-    args+="hostfwd=$proto::$num-$VM_NET_IP:$num,"
-  done
-
-  echo "${args%?}"
-  return 0
-}
-
 getHostPorts() {
 
-  local list="$1"
+  local list=""
-  list=$(echo "${list// /}" | sed 's/,*$//g')
+  list+="$MON_PORT,"
+  list+="${HOST_PORTS// /},"
 
-  [ -z "$list" ] && list="$MON_PORT" || list+=",$MON_PORT"
+  # Remove duplicates
-
+  list=$(echo "${list//,,/,}," | awk 'BEGIN{RS=ORS=","} !seen[$0]++' | sed 's/,*$//g')
-  if [[ "${NETWORK,,}" == "passt" ]]; then
-
-    local DNS_PORT="53"
-
-    if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
-      [ -z "$list" ] && list="$DNS_PORT" || list+=",$DNS_PORT"
-    fi
-
-    [ -z "$list" ] && list="$COM_PORT" || list+=",$COM_PORT"
-    [ -z "$list" ] && list="$CHR_PORT" || list+=",$CHR_PORT"
-    [ -z "$list" ] && list="$WSD_PORT" || list+=",$WSD_PORT"
-
-  fi
 
   echo "$list"
   return 0
 }
 
+getUserPorts() {
+
+  local ssh="22"
+  local dsm="5000,5001"
+
+  local list="$ssh,$dsm,"
+  list+="${USER_PORTS// /},"
+
+  local exclude
+  exclude=$(getHostPorts)
+
+  local ports=""
+  local userport=""
+  local hostport=""
+
+  for userport in ${list//,/ }; do
+
+    local num="${userport///tcp}"
+    num="${num///udp}"
+
+    for hostport in ${exclude//,/ }; do
+
+      local port="${hostport///tcp}"
+      port="${port///udp}"
+
+      if [[ "$num" == "$port" ]]; then
+        num=""
+        if [[ "$port" != "$WEB_PORT" ]]; then
+          warn "Could not assign port $port to \"USER_PORTS\" because it is already in \"HOST_PORTS\"!"
+        fi
+      fi
+
+    done
+
+    [ -n "$num" ] && ports+="$userport,"
+
+  done
+
+  # Remove duplicates
+  ports=$(echo "${ports//,,/,}," | awk 'BEGIN{RS=ORS=","} !seen[$0]++' | sed 's/,*$//g')
+
+  echo "$ports"
+  return 0
+}
+
+getSlirp() {
+
+  local args=""
+  local list=""
+
+  list=$(getUserPorts)
+
+  for port in ${list//,/ }; do
+
+    local proto="tcp"
+    local num="${port%/tcp}"
+    [ -z "$num" ] && continue
+
+    if [[ "$port" == *"/udp" ]]; then
+      proto="udp"
+      num="${port%/udp}"
+    elif [[ "$port" != *"/tcp" ]]; then
+      args+="hostfwd=$proto::$num-$VM_NET_IP:$num,"
+      proto="udp"
+      num="${port%/udp}"
+    fi
+
+    args+="hostfwd=$proto::$num-$VM_NET_IP:$num,"
+  done
+
+  args=$(echo "$args" | sed 's/,*$//g')
+
+  echo "${args%?}"
+  return 0
+}
+
 configureSlirp() {
 
+  NETWORK="slirp"
   [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring slirp networking..."
 
   local ip="$IP"
@@ -255,26 +288,28 @@ configureSlirp() {
 
   NET_OPTS="-netdev user,id=hostnet0,ipv4=on,host=$gateway,net=${gateway%.*}.0/24,dhcpstart=$ip,${ipv6}hostname=$VM_NET_HOST"
 
-  local forward
+  local forward=""
-  forward=$(getUserPorts "${USER_PORTS:-}")
+  forward=$(getSlirp)
   [ -n "$forward" ] && NET_OPTS+=",$forward"
 
-  if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
+  if [[ "${DNSMASQ_DISABLE:-}" == [Yy1]* ]]; then
-    cp /etc/resolv.conf /etc/resolv.dnsmasq
+    echo "$gateway" > /run/shm/qemu.gw
+  else
+    [ ! -f /etc/resolv.dnsmasq ] && cp /etc/resolv.conf /etc/resolv.dnsmasq
+    configureDNS "lo" "$ip" "$VM_NET_MAC" "$VM_NET_HOST" "$VM_NET_MASK" "$gateway" || return 1
     echo -e "nameserver 127.0.0.1\nsearch .\noptions ndots:0" >/etc/resolv.conf
   fi
 
-  configureDNS "lo" "$ip" "$VM_NET_MAC" "$VM_NET_HOST" "$VM_NET_MASK" "$gateway" || return 1
-
   VM_NET_IP="$ip"
   return 0
 }
 
 configurePasst() {
 
+  NETWORK="passt"
   [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring user-mode networking..."
 
-  local log="/var/log/passt.log"
+  local log="/tmp/passt.log"
   rm -f "$log"
 
   local pid="/var/run/dnsmasq.pid"
@@ -298,24 +333,25 @@ configurePasst() {
   PASST_OPTS+=" -n $VM_NET_MASK"
   [ -n "$PASST_MTU" ] && PASST_OPTS+=" -m $PASST_MTU"
 
-  exclude=$(getHostPorts "$HOST_PORTS")
+  local forward=""
+  forward=$(getUserPorts)
+  forward="${forward///tcp}"
+  forward="${forward///udp}"
 
-  if [ -z "$exclude" ]; then
+  if [ -n "$forward" ]; then
-    exclude="%${VM_NET_DEV}/all"
+    forward="%${VM_NET_DEV}/$forward"
-  else
+    PASST_OPTS+=" -t $forward"
-    exclude="%${VM_NET_DEV}/~${exclude//,/,~}"
+    PASST_OPTS+=" -u $forward"
   fi
 
-  PASST_OPTS+=" -t $exclude"
-  PASST_OPTS+=" -u $exclude"
   PASST_OPTS+=" -H $VM_NET_HOST"
   PASST_OPTS+=" -M $GATEWAY_MAC"
-  PASST_OPTS+=" -P /var/run/passt.pid"
+  PASST_OPTS+=" -P /tmp/passt.pid"
   PASST_OPTS+=" -l $log"
   PASST_OPTS+=" -q"
 
   if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
-    cp /etc/resolv.conf /etc/resolv.dnsmasq
+    [ ! -f /etc/resolv.dnsmasq ] && cp /etc/resolv.conf /etc/resolv.dnsmasq
     echo -e "nameserver 127.0.0.1\nsearch .\noptions ndots:0" >/etc/resolv.conf
   fi
 
@@ -323,10 +359,17 @@ configurePasst() {
   [[ "$DEBUG" == [Yy1]* ]] && printf "Passt arguments:\n\n%s\n\n" "${PASST_OPTS// -/$'\n-'}"
 
   if ! $PASST ${PASST_OPTS:+ $PASST_OPTS} >/dev/null 2>&1; then
-    local msg="Failed to start passt, reason: $?"
+
+    rm -f "$log"
+    PASST_OPTS="${PASST_OPTS/ -q/}"
+    { $PASST ${PASST_OPTS:+ $PASST_OPTS}; rc=$?; } || :
+
+    if (( rc != 0 )); then
       [ -f "$log" ] && cat "$log"
-    error "$msg"
+      warn "failed to start passt ($rc), falling back to slirp networking!"
-    return 1
+      configureSlirp && return 0 || return 1
+    fi
+
   fi
 
   if [[ "$PASST_DEBUG" == [Yy1]* ]]; then
@@ -354,7 +397,6 @@ configureNAT() {
 
   # Create the necessary file structure for /dev/net/tun
   if [ ! -c /dev/net/tun ]; then
-    [[ "$PODMAN" == [Yy1]* ]] && return 1
     [ ! -d /dev/net ] && mkdir -m 755 /dev/net
     if mknod /dev/net/tun c 10 200; then
       chmod 666 /dev/net/tun
@@ -362,6 +404,7 @@ configureNAT() {
   fi
 
   if [ ! -c /dev/net/tun ]; then
+    [[ "$ROOTLESS" == [Yy1]* && "$DEBUG" != [Yy1]* ]] && return 1
     warn "$tuntap" && return 1
   fi
 
@@ -369,6 +412,7 @@ configureNAT() {
   if [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]]; then
     { sysctl -w net.ipv4.ip_forward=1 > /dev/null 2>&1; rc=$?; } || :
     if (( rc != 0 )) || [[ $(< /proc/sys/net/ipv4/ip_forward) -eq 0 ]]; then
+      [[ "$ROOTLESS" == [Yy1]* && "$DEBUG" != [Yy1]* ]] && return 1
       warn "IP forwarding is disabled. $ADD_ERR --sysctl net.ipv4.ip_forward=1"
       return 1
     fi
@@ -395,6 +439,7 @@ configureNAT() {
   { ip link add dev "$VM_NET_BRIDGE" type bridge ; rc=$?; } || :
 
   if (( rc != 0 )); then
+    [[ "$ROOTLESS" == [Yy1]* && "$DEBUG" != [Yy1]* ]] && return 1
     warn "failed to create bridge. $ADD_ERR --cap-add NET_ADMIN" && return 1
   fi
 
@@ -409,6 +454,7 @@ configureNAT() {
 
   # QEMU Works with taps, set tap to the bridge created
   if ! ip tuntap add dev "$VM_NET_TAP" mode tap; then
+    [[ "$ROOTLESS" == [Yy1]* && "$DEBUG" != [Yy1]* ]] && return 1
     warn "$tuntap" && return 1
   fi
 
@@ -439,7 +485,7 @@ configureNAT() {
     update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy > /dev/null
   fi
 
-  exclude=$(getHostPorts "$HOST_PORTS")
+  exclude=$(getHostPorts)
 
   if [ -n "$exclude" ]; then
     if [[ "$exclude" != *","* ]]; then
@@ -484,11 +530,11 @@ configureNAT() {
 
 closeBridge() {
 
-  local pid="/var/run/dnsmasq.pid"
+  local pid="/tmp/passt.pid"
   [ -s "$pid" ] && pKill "$(<"$pid")"
   rm -f "$pid"
 
-  pid="/var/run/passt.pid"
+  pid="/var/run/dnsmasq.pid"
   [ -s "$pid" ] && pKill "$(<"$pid")"
   rm -f "$pid"
 
@@ -546,8 +592,8 @@ closeNetwork() {
 cleanUp() {
 
   # Clean up old files
+  rm -f /tmp/passt.pid
   rm -f /etc/resolv.dnsmasq
-  rm -f /var/run/passt.pid
   rm -f /var/run/dnsmasq.pid
 
   if [[ -d "/sys/class/net/$VM_NET_TAP" ]]; then
@@ -588,7 +634,7 @@ getInfo() {
     [ -d "/sys/class/net/net1" ] && VM_NET_DEV="net1"
     [ -d "/sys/class/net/net2" ] && VM_NET_DEV="net2"
     [ -d "/sys/class/net/net3" ] && VM_NET_DEV="net3"
-    # Automaticly detect the default network interface
+    # Automatically detect the default network interface
     [ -z "$VM_NET_DEV" ] && VM_NET_DEV=$(awk '$2 == 00000000 { print $1 }' /proc/net/route)
     [ -z "$VM_NET_DEV" ] && VM_NET_DEV="eth0"
   fi
@@ -599,12 +645,17 @@ getInfo() {
   fi
 
   GATEWAY=$(ip route list dev "$VM_NET_DEV" | awk ' /^default/ {print $3}' | head -n 1)
-  IP=$(ip address show dev "$VM_NET_DEV" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/ | head -n 1)
+  { IP=$(ip address show dev "$VM_NET_DEV" | grep inet | awk '/inet / { print $2 }' | cut -f1 -d/ | head -n 1); rc=$?; } 2>/dev/null || :
-  IP6=""
 
+  if (( rc != 0 )); then
+    error "Could not determine container IP address!" && exit 26
+  fi
+
+  IP6=""
   # shellcheck disable=SC2143
   if [ -f /proc/net/if_inet6 ] && [ -n "$(ifconfig -a | grep inet6)" ]; then
-    IP6=$(ip -6 addr show dev "$VM_NET_DEV" scope global up)
+    { IP6=$(ip -6 addr show dev "$VM_NET_DEV" scope global up); rc=$?; } 2>/dev/null || :
+    (( rc != 0 )) && IP6=""
     [ -n "$IP6" ] && IP6=$(echo "$IP6" | sed -e's/^.*inet6 \([^ ]*\)\/.*$/\1/;t;d' | head -n 1)
   fi
 
@@ -651,13 +702,8 @@ getInfo() {
   [ -z "$MTU" ] && MTU="$mtu"
   [ -z "$MTU" ] && MTU="0"
 
-  if [ "$MTU" -gt "1500" ]; then
-    [[ "$DEBUG" == [Yy1]* ]] && echo "MTU size is too large: $MTU, ignoring..."
-    MTU="0"
-  fi
-
   if [[ "${ADAPTER,,}" != "virtio-net-pci" ]]; then
-    if [[ "$MTU" != "0" && "$MTU" != "1500" ]]; then
+    if [[ "$MTU" != "0" ]] && [ "$MTU" -lt "1500" ]; then
       warn "MTU size is $MTU, but cannot be set for $ADAPTER adapters!" && MTU="0"
     fi
   fi
@@ -670,6 +716,7 @@ getInfo() {
       # Generate MAC address based on Docker container ID in hostname
       VM_NET_MAC=$(echo "$HOST" | md5sum | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:11:32:\3:\4:\5/')
       echo "${VM_NET_MAC^^}" > "$file"
+      ! setOwner "$file" && error "Failed to set the owner for \"$file\" !"
     fi
   fi
 
@@ -687,13 +734,6 @@ getInfo() {
 
   GATEWAY_MAC=$(echo "$VM_NET_MAC" | md5sum | sed 's/^\(..\)\(..\)\(..\)\(..\)\(..\).*$/02:\1:\2:\3:\4:\5/')
 
-  if [[ "$PODMAN" == [Yy1]* && "$DHCP" != [Yy1]* ]]; then
-    if [ -z "$NETWORK" ] || [[ "${NETWORK^^}" == "Y" ]]; then
-      # By default Podman has no permissions for NAT networking
-      NETWORK="user"
-    fi
-  fi
-
   if [[ "$DEBUG" == [Yy1]* ]]; then
     line="Host: $HOST  IP: $IP  Gateway: $GATEWAY  Interface: $VM_NET_DEV  MAC: $VM_NET_MAC  MTU: $mtu"
     [[ "$MTU" != "0" && "$MTU" != "$mtu" ]] && line+=" ($MTU)"
@@ -747,26 +787,28 @@ else
   fi
 
   case "${NETWORK,,}" in
-    "user"* | "passt" | "slirp" ) ;;
+    "passt" | "slirp" | "user"* ) ;;
-    "nat" | "tap" | "tun" | "tuntap" | "y" )
+    "tap" | "tun" | "tuntap" | "y" )
 
       # Configure tap interface
       if ! configureNAT; then
 
         closeBridge
         NETWORK="user"
+
+        if [[ "$ROOTLESS" != [Yy1]* || "$DEBUG" == [Yy1]* ]]; then
           msg="falling back to user-mode networking!"
           msg="failed to setup NAT networking, $msg"
+          warn "$msg"
+        fi
 
       fi ;;
 
   esac
 
-  [[ "${NETWORK,,}" == "user"* ]] && NETWORK="passt"
-
   case "${NETWORK,,}" in
-    "nat" | "tap" | "tun" | "tuntap" | "y" ) ;;
+    "tap" | "tun" | "tuntap" | "y" ) ;;
-    "passt" )
+    "passt" | "user"* )
 
       # Configure for user-mode networking (passt)
       if ! configurePasst; then
@@ -780,16 +822,21 @@ else
       if ! configureSlirp; then
         error "Failed to configure user-mode networking!"
         exit 24
-      fi
-
-      if [ -z "$USER_PORTS" ]; then
-        info "Notice: slirp networking is active, so when you want to expose ports, you will need to map them using this variable: \"USER_PORTS=5000,5001\"."
       fi ;;
 
     *)
       error "Unrecognized NETWORK value: \"$NETWORK\"" && exit 24 ;;
   esac
 
+  case "${NETWORK,,}" in
+    "passt" | "slirp" )
+
+      if [ -z "$USER_PORTS" ]; then
+        info "Notice: because user-mode networking is active, when you need to forward custom ports to DSM, add them to the \"USER_PORTS\" variable."
+      fi ;;
+
+  esac
+
 fi
 
 NET_OPTS+=" -device $ADAPTER,id=net0,netdev=hostnet0,romfile=,mac=$VM_NET_MAC"

src/power.sh

@@ -33,6 +33,7 @@ _trap() {
 finish() {
 
   local pid
+  local cnt=0
   local reason=$1
 
   touch "$QEMU_END"
@@ -40,14 +41,24 @@ finish() {
   if [ -s "$QEMU_PID" ]; then
 
     pid=$(<"$QEMU_PID")
-    echo && error "Forcefully terminating QEMU process, reason: $reason..."
+    echo && error "Forcefully terminating Virtual DSM, reason: $reason..."
     { kill -15 "$pid" || true; } 2>/dev/null
 
     while isAlive "$pid"; do
+
       sleep 1
+      cnt=$((cnt+1))
+
       # Workaround for zombie pid
       [ ! -s "$QEMU_PID" ] && break
+
+      if [ "$cnt" == "5" ]; then
+        echo && error "QEMU did not terminate itself, forcefully killing process..."
+        { kill -9 "$pid" || true; } 2>/dev/null
+      fi
+
     done
+
   fi
 
   fKill "print.sh"

src/proc.sh

@@ -33,9 +33,8 @@ if [[ "$KVM" != [Nn]* ]]; then
   KVM_OPTS=",accel=kvm -enable-kvm -global kvm-pit.lost_tick_policy=discard"
 
   if ! grep -qw "sse4_2" <<< "$flags"; then
-    info "Your CPU does not have the SSE4 instruction set that Virtual DSM requires, it will be emulated..."
+    error "Your CPU does not have the SSE4 instruction set that Virtual DSM requires!"
-    [ -z "$CPU_MODEL" ] && CPU_MODEL="qemu64"
+    [[ "$DEBUG" != [Yy1]* ]] && exit 88
-    CPU_FEATURES+=",+ssse3,+sse4.1,+sse4.2"
   fi
 
   if [ -z "$CPU_MODEL" ]; then

src/progress.sh

@@ -1,6 +1,8 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+info="/run/shm/msg.html"
+
 escape () {
     local s
     s=${1//&/\&}
@@ -11,28 +13,33 @@ escape () {
     return 0
 }
 
-file="$1"
+path="$1"
 total="$2"
 body=$(escape "$3")
-info="/run/shm/msg.html"
 
 if [[ "$body" == *"..." ]]; then
-  body="<p class=\"loading\">${body/.../}</p>"
+  body="<p class=\"loading\">${body::-3}</p>"
 fi
 
 while true
 do
-  if [ -s "$file" ]; then
+
-    bytes=$(du -sb "$file" | cut -f1)
+  if [ ! -s "$path" ] && [ ! -d "$path" ]; then
-    if (( bytes > 1000 )); then
+    bytes="0"
+  else
+    bytes=$(du -sb "$path" | cut -f1)
+  fi
+  
+  if (( bytes > 4096 )); then
     if [ -z "$total" ] || [[ "$total" == "0" ]] || [ "$bytes" -gt "$total" ]; then
       size=$(numfmt --to=iec --suffix=B "$bytes" | sed -r 's/([A-Z])/ \1/')
     else
       size="$(echo "$bytes" "$total" | awk '{printf "%.1f", $1 * 100 / $2}')"
       size="$size%"
     fi
-      echo "${body//(\[P\])/($size)}"> "$info"
+    [[ "$size" != "0.0%" ]] && echo "${body//(\[P\])/($size)}"> "$info"
-    fi
   fi
+
   sleep 1 & wait $!
+
 done

src/reset.sh

@@ -24,19 +24,40 @@ trap 'error "Status $? while: $BASH_COMMAND (line $LINENO/$BASH_LINENO)"' ERR
 
 # Helper variables
 
-PODMAN="N"
+ROOTLESS="N"
+PRIVILEGED="N"
 ENGINE="Docker"
 PROCESS="${APP,,}"
 PROCESS="${PROCESS// /-}"
 
 if [ -f "/run/.containerenv" ]; then
-  PODMAN="Y"
+  ENGINE="${container:-}"
+  if [[ "${ENGINE,,}" == *"podman"* ]]; then
+    ROOTLESS="Y"
     ENGINE="Podman"
+  else
+    [ -z "$ENGINE" ] && ENGINE="Kubernetes"
+  fi
 fi
 
 echo "❯ Starting $APP for $ENGINE v$(</run/version)..."
 echo "❯ For support visit $SUPPORT"
 
+# Get the capability bounding set
+CAP_BND=$(grep '^CapBnd:' /proc/$$/status | awk '{print $2}')
+CAP_BND=$(printf "%d" "0x${CAP_BND}")
+
+# Get the last capability number
+LAST_CAP=$(cat /proc/sys/kernel/cap_last_cap)
+
+# Calculate the maximum capability value
+MAX_CAP=$(((1 << (LAST_CAP + 1)) - 1))
+
+if [ "${CAP_BND}" -eq "${MAX_CAP}" ]; then
+  ROOTLESS="N"
+  PRIVILEGED="Y"
+fi
+
 INFO="/run/shm/msg.html"
 PAGE="/run/shm/index.html"
 TEMPLATE="/var/www/index.html"
@@ -59,10 +80,12 @@ fi
 
 CPU_CORES="${CPU_CORES// /}"
 [[ "${CPU_CORES,,}" == "max" ]] && CPU_CORES="$CORES"
+[[ "${CPU_CORES,,}" == "half" ]] && CPU_CORES=$(( CORES / 2 ))
+[[ "${CPU_CORES,,}" == "0" ]] && CPU_CORES="1"
 [ -n "${CPU_CORES//[0-9 ]}" ] && error "Invalid amount of CPU_CORES: $CPU_CORES" && exit 15
 
 if [ "$CPU_CORES" -gt "$CORES" ]; then
-  warn "The amount for CPU_CORES (${CPU_CORES}) exceeds the amount of physical cores, so will be limited to ${CORES}."
+  warn "The amount for CPU_CORES (${CPU_CORES}) exceeds the amount of logical cores available, so will be limited to ${CORES}."
   CPU_CORES="$CORES"
 fi
 
@@ -76,8 +99,7 @@ fi
 
 # Check folder
 
-if [[ "${COMMIT:-}" == [Yy1]* ]]; then
+if [[ "${STORAGE,,}" != "/storage" ]]; then
-  STORAGE="/local"
   mkdir -p "$STORAGE"
 fi
 
@@ -86,7 +108,9 @@ if [ ! -d "$STORAGE" ]; then
 fi
 
 if [ ! -w "$STORAGE" ]; then
-  error "Storage folder ($STORAGE) is not writeable!" && exit 13
+  msg="Storage folder ($STORAGE) is not writeable!"
+  msg+=" If SELinux is active, you need to add the \":Z\" flag to the bind mount."
+  error "$msg" && exit 13
 fi
 
 # Check filesystem
@@ -105,20 +129,18 @@ RAM_TOTAL=$(free -b | grep -m 1 Mem: | awk '{print $2}')
 RAM_SIZE="${RAM_SIZE// /}"
 [ -z "$RAM_SIZE" ] && error "RAM_SIZE not specified!" && exit 16
 
-if [[ "${RAM_SIZE,,}" == "max" ]]; then
+if [[ "${RAM_SIZE,,}" != "max" && "${RAM_SIZE,,}" != "half" ]]; then
-  RAM_WANTED=$(( RAM_AVAIL - RAM_SPARE - RAM_SPARE ))
-  RAM_WANTED=$(( RAM_WANTED / 1073741825 ))
-  RAM_SIZE="${RAM_WANTED}G"
-fi
 
-if [ -z "${RAM_SIZE//[0-9. ]}" ]; then
+  if [ -z "${RAM_SIZE//[0-9. ]}" ]; then
     [ "${RAM_SIZE%%.*}" -lt "130" ] && RAM_SIZE="${RAM_SIZE}G" || RAM_SIZE="${RAM_SIZE}M"
-fi
+  fi
 
-RAM_SIZE=$(echo "${RAM_SIZE^^}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
+  RAM_SIZE=$(echo "${RAM_SIZE^^}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
-! numfmt --from=iec "$RAM_SIZE" &>/dev/null && error "Invalid RAM_SIZE: $RAM_SIZE" && exit 16
+  ! numfmt --from=iec "$RAM_SIZE" &>/dev/null && error "Invalid RAM_SIZE: $RAM_SIZE" && exit 16
-RAM_WANTED=$(numfmt --from=iec "$RAM_SIZE")
+  RAM_WANTED=$(numfmt --from=iec "$RAM_SIZE")
-[ "$RAM_WANTED" -lt "136314880 " ] && error "RAM_SIZE is too low: $RAM_SIZE" && exit 16
+  [ "$RAM_WANTED" -lt "136314880 " ] && error "RAM_SIZE is too low: $RAM_SIZE" && exit 16
+
+fi
 
 # Print system info
 SYS="${SYS/-generic/}"
@@ -133,15 +155,6 @@ TOTAL_MEM=$(formatBytes "$RAM_TOTAL" "up")
 echo "❯ CPU: ${CPU} | RAM: ${AVAIL_MEM/ GB/}/$TOTAL_MEM | DISK: $SPACE_GB (${FS}) | KERNEL: ${SYS}..."
 echo
 
-# Check available memory
-
-if [[ "$RAM_CHECK" != [Nn]* ]] && (( (RAM_WANTED + RAM_SPARE) > RAM_AVAIL )); then
-  AVAIL_MEM=$(formatBytes "$RAM_AVAIL")
-  msg="Your configured RAM_SIZE of ${RAM_SIZE/G/ GB} is too high for the $AVAIL_MEM of memory available, please set a lower value."
-  [[ "${FS,,}" != "zfs" ]] && error "$msg" && exit 17
-  info "$msg"
-fi
-
 # Check KVM support
 
 if [[ "${PLATFORM,,}" == "x64" ]]; then
@@ -174,6 +187,10 @@ if [[ "$KVM" != [Nn]* ]]; then
         if ! grep -qw "vmx\|svm" <<< "$flags"; then
           KVM_ERR="(not enabled in BIOS)"
         fi
+        if ! grep -qw "sse4_2" <<< "$flags"; then
+          error "Your CPU does not have the SSE4 instruction set that Virtual DSM requires!"
+          [[ "$DEBUG" != [Yy1]* ]] && exit 88
+        fi
       fi
     fi
   fi

src/socket.sh

@@ -1,16 +1,31 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+lastmsg=""
 path="/run/shm/msg.html"
 
-if [ -f "$path" ] && [ -s "$path" ]; then
+refresh() {
-  echo -n "s: " && cat "$path"
+
-fi
+  [ ! -f "$path" ] && return 0
+  [ ! -s "$path" ] && return 0
+
+  msg=$(< "$path")
+  msg="${msg%$'\n'}"
+
+  [ -z "$msg" ] && return 0
+  [[ "$msg" == "$lastmsg" ]] && return 0
+
+  lastmsg="$msg"
+  echo "s: $msg"
+  return 0
+}
+
+refresh
 
 inotifywait -m "$path" |
   while read -r fp event fn; do
     case "${event,,}" in
-      "modify"* ) echo -n "s: " && cat "$path" ;;
+      "modify"* ) refresh ;;
       "delete_self" ) echo "c: vnc" ;;
     esac    
   done

src/utils.sh

@@ -67,6 +67,37 @@ fKill() {
   return 0
 }
 
+setOwner() {
+  local file="$1"
+  local dir uid gid
+
+  [ ! -f "$file" ] && return 1
+
+  dir=$(dirname -- "$file")
+  uid=$(stat -c '%u' "$dir")
+  gid=$(stat -c '%g' "$dir")
+
+  ! chown "$uid:$gid" "$file" && return 1
+
+  return 0
+}
+
+makeDir() {
+  local path="$1"
+  local dir uid gid
+
+  [ -d "$path" ] && return 0
+  ! mkdir -p "$path" && return 1
+
+  dir=$(dirname -- "$path")
+  uid=$(stat -c '%u' "$dir")
+  gid=$(stat -c '%g' "$dir")
+
+  ! chown "$uid:$gid" "$path" && return 1
+
+  return 0
+}
+
 escape () {
   local s
   s=${1//&/\&}
@@ -123,11 +154,11 @@ cpu() {
   fi
 
   cpu="${cpu// CPU/}"
-  cpu="${cpu// [0-9] Core}"
-  cpu="${cpu// [0-9][0-9] Core}"
   cpu="${cpu// [0-9][0-9][0-9] Core}"
-  cpu="${cpu//[0-9]th Gen }"
+  cpu="${cpu// [0-9][0-9] Core}"
+  cpu="${cpu// [0-9] Core}"
   cpu="${cpu//[0-9][0-9]th Gen }"
+  cpu="${cpu//[0-9]th Gen }"
   cpu="${cpu// Processor/}"
   cpu="${cpu// Quad core/}"
   cpu="${cpu// Dual core/}"

web/js/script.js

@@ -93,6 +93,12 @@ function processInfo() {
     }
 }
 
+function extractContent(s) {
+    var span = document.createElement('span');
+    span.innerHTML = s;
+    return span.textContent || span.innerText;
+};
+
 function setInfo(msg, loading, error) {
     try {
 
@@ -119,9 +125,17 @@ function setInfo(msg, loading, error) {
             spin.style.visibility = 'hidden';
         }
 
+        var p = "<p class=\"loading\">";
         loading = !!loading;
         if (loading) {
-            msg = "<p class=\"loading\">" + msg + "</p>";
+            msg = p + msg + "</p>";
+        }
+
+        if (msg.includes(p)) {
+            if (el.innerHTML.includes(p)) {
+                el.getElementsByClassName('loading')[0].textContent = extractContent(msg);
+                return true;
+            }
         }
 
         el.innerHTML = msg;