fix: Lower spare disk space (#1061)

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

.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: {}

src/disk.sh

@@ -98,10 +98,10 @@ createDisk() {
   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
@@ -424,7 +424,7 @@ addDisk () {
   local DISK_FMT=$7
   local DISK_IO=$8
   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
 
   DISK_EXT=$(fmt2ext "$DISK_FMT")
   local DISK_FILE="$DISK_BASE.$DISK_EXT"
@@ -432,6 +432,16 @@ addDisk () {
   DIR=$(dirname "$DISK_FILE")
   [ ! -d "$DIR" ] && return 0
 
+  if [[ "${DISK_SPACE,,}" == "max" ]]; then
+
+    local SPARE=536870912
+    SPACE=$(df --output=avail -B 1 "$DIR" | tail -n 1)
+    (( SPACE < SPARE )) && SPACE="$SPARE" || SPACE=$((SPACE-SPARE))
+    GB=$(( SPACE/1073741824 ))
+    DISK_SPACE="${GB}G"
+
+  fi
+
   SPACE="${DISK_SPACE// /}"
   [ -z "$SPACE" ] && SPACE="16G"
   [ -z "${SPACE//[0-9. ]}" ] && SPACE="${SPACE}G"

src/network.sh

@@ -20,6 +20,7 @@ set -Eeuo pipefail
 : "${VM_NET_MASK:="255.255.255.0"}"
 
 : "${PASST:="passt"}"
+: "${PASST_MTU:=""}"
 : "${PASST_OPTS:=""}"
 : "${PASST_DEBUG:=""}"
 
@@ -182,38 +183,6 @@ 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"
@@ -221,24 +190,55 @@ getHostPorts() {
 
   [ -z "$list" ] && list="$MON_PORT" || list+=",$MON_PORT"
 
-  if [[ "${NETWORK,,}" == "passt" ]]; then
+  echo "$list"
+  return 0
+}
 
-    local DNS_PORT="53"
+getUserPorts() {
 
-    if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
+  local args=""
-      [ -z "$list" ] && list="$DNS_PORT" || list+=",$DNS_PORT"
+  local list=$1
-    fi
+  list=$(echo "${list// /}" | sed 's/,*$//g')
 
-    [ -z "$list" ] && list="$COM_PORT" || list+=",$COM_PORT"
+  local ssh="22"
-    [ -z "$list" ] && list="$CHR_PORT" || list+=",$CHR_PORT"
+  local dsm="5000"
-    [ -z "$list" ] && list="$WSD_PORT" || list+=",$WSD_PORT"
+  [ -z "$list" ] && list="$ssh,$dsm" || list+=",$ssh,$dsm"
-
-  fi
 
   echo "$list"
   return 0
 }
 
+getSlirp() {
+
+  local args=""
+  local list=""
+
+  list=$(getUserPorts)
+  list="${list//,/ }"
+  list="${list## }"
+  list="${list%% }"
+
+  for port in $list; do
+
+    proto="tcp"
+    num="${port%/tcp}"
+
+    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
+
+  echo "${args%?}"
+  return 0
+}
+
 configureSlirp() {
 
   [[ "$DEBUG" == [Yy1]* ]] && echo "Configuring slirp networking..."
@@ -254,17 +254,18 @@ 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:-}")
   [ -n "$forward" ] && NET_OPTS+=",$forward"
 
-  if [[ "${DNSMASQ_DISABLE:-}" != [Yy1]* ]]; then
+  if [[ "${DNSMASQ_DISABLE:-}" == [Yy1]* ]]; then
+    echo "$gateway" > /run/shm/qemu.gw
+  else
     cp /etc/resolv.conf /etc/resolv.dnsmasq
+    configureDNS "lo" "$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
 }
@@ -295,17 +296,19 @@ configurePasst() {
   PASST_OPTS+=" -a $ip"
   PASST_OPTS+=" -g $gateway"
   PASST_OPTS+=" -n $VM_NET_MASK"
+  [ -n "$PASST_MTU" ] && PASST_OPTS+=" -m $PASST_MTU"
 
-  exclude=$(getHostPorts "$HOST_PORTS")
+  local forward=""
+  forward=$(getUserPorts "${USER_PORTS:-}")
+  forward="${forward///tcp}"
+  forward="${forward///udp}"
 
-  if [ -z "$exclude" ]; then
+  if [ -n "$forward" ]; then
-    exclude="all"
+    forward="%${VM_NET_DEV}/$forward"
-  else
+    PASST_OPTS+=" -t $forward"
-    exclude="~${exclude//,/,~}"
+    PASST_OPTS+=" -u $forward"
   fi
 
-  PASST_OPTS+=" -t $exclude"
-  PASST_OPTS+=" -u $exclude"
   PASST_OPTS+=" -H $VM_NET_HOST"
   PASST_OPTS+=" -M $GATEWAY_MAC"
   PASST_OPTS+=" -P /var/run/passt.pid"
@@ -321,10 +324,17 @@ configurePasst() {
   [[ "$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: $?"
+
-    [ -f "$log" ] && cat "$log"
+    rm -f "$log"
-    error "$msg"
+    PASST_OPTS="${PASST_OPTS/ -q/}"
-    return 1
+    { $PASST ${PASST_OPTS:+ $PASST_OPTS}; rc=$?; } || :
+
+    if (( rc != 0 )); then
+      [ -f "$log" ] && cat "$log"
+      error "Failed to start passt, reason: $rc"
+      return 1
+    fi
+
   fi
 
   if [[ "$PASST_DEBUG" == [Yy1]* ]]; then
@@ -597,12 +607,17 @@ 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
 
@@ -649,11 +664,6 @@ 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
       warn "MTU size is $MTU, but cannot be set for $ADAPTER adapters!" && MTU="0"
@@ -778,16 +788,21 @@ else
       if ! configureSlirp; then
         error "Failed to configure user-mode networking!"
         exit 24
-      fi
-
-      if [ -z "$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, if you need to expose ports, add them to the \"USER_PORTS\" variable."
+      fi ;;
+
+  esac
+
 fi
 
 NET_OPTS+=" -device $ADAPTER,id=net0,netdev=hostnet0,romfile=,mac=$VM_NET_MAC"

src/reset.sh

@@ -62,7 +62,7 @@ CPU_CORES="${CPU_CORES// /}"
 [ -n "${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
 

src/socket.sh

@@ -3,9 +3,14 @@ set -Eeuo pipefail
 
 path="/run/shm/msg.html"
 
+if [ -f "$path" ] && [ -s "$path" ]; then
+  echo -n "s: " && cat "$path"
+fi
+
 inotifywait -m "$path" |
   while read -r fp event fn; do
     case "${event,,}" in
-      "modify" ) echo -n "s: " && cat "$path" ;;
+      "modify"* ) echo -n "s: " && cat "$path" ;;
+      "delete_self" ) echo "c: vnc" ;;
     esac    
   done

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;