move systeminformation to api call in pvemodinstead of handling install script

PveSensorsV2/PVEMod_Collectors/systemInformation.pm

@@ -0,0 +1,96 @@
+package PVE::PVEMod::Collector::SystemInformation;
+
+use strict;
+use warnings;
+use Exporter 'import';
+
+use PVE::PVEMod::Config qw(%config);
+use PVE::PVEMod::Utils  qw(debug);
+
+our @EXPORT_OK = qw(
+    get_system_information_data
+);
+
+# ============================================================================
+# System Information — one-time dmidecode call
+# ============================================================================
+
+sub get_system_information_data {
+    unless ($config{system_info}{enabled}) {
+        debug(__LINE__, "System information collection is disabled");
+        return {};
+    }
+
+    my $raw_type = $config{system_info}{type};
+
+    # Taint-safe: only allow type 1 (System) or 2 (Baseboard/Motherboard)
+    my $type;
+    if (defined $raw_type && $raw_type =~ /^([12])$/) {
+        $type = $1;
+    } else {
+        debug(__LINE__, "Invalid system_info type '${\($raw_type // 'undef')}', defaulting to 1");
+        $type = 1;
+    }
+
+    debug(__LINE__, "Collecting system information via dmidecode -t $type");
+
+    return _get_system_info($type);
+}
+
+# ============================================================================
+# Internal — run dmidecode and parse output
+# ============================================================================
+
+sub _get_system_info {
+    my ($type) = @_;
+
+    my $output = `/usr/sbin/dmidecode -t $type 2>/dev/null`;
+
+    unless (defined $output && length($output) > 0) {
+        debug(__LINE__, "No output from dmidecode -t $type");
+        return {};
+    }
+
+    my %fields;
+    my @field_order;
+
+    for my $line (split /\n/, $output) {
+        if ($line =~ /^\s+(Manufacturer|Product Name|Serial Number):\s*(.+)$/) {
+            my ($key, $value) = ($1, $2);
+            $value =~ s/^\s+|\s+$//g;
+
+            my $field_key = lc($key);
+            $field_key =~ s/ /_/g;
+
+            unless (exists $fields{$field_key}) {
+                push @field_order, $field_key;
+                $fields{$field_key} = $value;
+            }
+        }
+    }
+
+    unless (%fields) {
+        debug(__LINE__, "No recognised fields found in dmidecode output");
+        return {};
+    }
+
+    # Build display string: "Manufacturer: X | Product Name: Y | Serial Number: Z"
+    my %pretty_key = (
+        manufacturer  => 'Manufacturer',
+        product_name  => 'Product Name',
+        serial_number => 'Serial Number',
+    );
+
+    my @parts;
+    for my $key (@field_order) {
+        my $label = $pretty_key{$key} // $key;
+        push @parts, "$label: $fields{$key}";
+    }
+    $fields{display_string} = join(' | ', @parts);
+
+    debug(__LINE__, "System information: $fields{display_string}");
+
+    return \%fields;
+}
+
+1;

PveSensorsV2/PVEMod_Config.pm

@@ -60,6 +60,10 @@ our %config = (
         enabled     => 1,
         device_name => 'ups@192.168.3.2',
     },
+    system_info => {
+        enabled => 1,
+        type    => 1,  # 1 = System (dmidecode -t 1), 2 = Baseboard/Motherboard (dmidecode -t 2)
+    },
     paths => {
         working_dir => '/run/pveproxy/pve-mod',
     },

PveSensorsV2/PveMod_SensorInfo.pm

@@ -6,11 +6,13 @@ use warnings;
 use PVE::PVEMod::Config         qw(%config $VERSION $stats_dir $sensors_state_file $ups_state_file);
 use PVE::PVEMod::Utils          qw(debug safe_read_json);
 use PVE::PVEMod::ProcessManager qw(pve_mod_starter notify_pve_mod_worker);
+use PVE::PVEMod::Collector::SystemInformation qw(get_system_information_data);
 
 # Per-endpoint state caches (module-level, reset on worker restart)
 my $graphics_cache     = { data => {},        mtime => 0 };
 my $sensors_cache      = { data => '{}',       mtime => 0 };
 my $ups_cache          = { data => '{}',       mtime => 0 };
+my $system_info_cache  = undef;
 
 
 # ============================================================================
@@ -197,5 +199,17 @@ sub get_pve_mod_version {
     return $VERSION;
 }
 
+sub get_system_information {
+    debug(__LINE__, "get_system_information called");
+
+    if (defined $system_info_cache) {
+        debug(__LINE__, "Returning cached system information");
+        return $system_info_cache;
+    }
+
+    $system_info_cache = get_system_information_data();
+
+    return $system_info_cache;
+}
 
 1;

PveSensorsV2/pve-mod-gui-sensors-v2.sh

@@ -526,7 +526,6 @@ function install_mod {
     msgb "\n=== Installing sensor info module ==="
 	install_sensor_monitor_module
 	insert_sensor_monitor_into_pve
-	insert_system_info_into_pve
 
 	## Historical GPU data ##
 	if [[ "$ENABLE_GPU_HISTORY" == true ]]; then
@@ -607,6 +606,7 @@ install_sensor_monitor_module() {
         "PVEMod_Collectors/LmSensors.pm:$PVEMOD_COLLECTOR_DIR/LmSensors.pm"
         "PVEMod_Collectors/Amd.pm:$PVEMOD_COLLECTOR_DIR/Amd.pm"
         "PVEMod_Collectors/Ups.pm:$PVEMOD_COLLECTOR_DIR/Ups.pm"
+        "PVEMod_Collectors/systemInformation.pm:$PVEMOD_COLLECTOR_DIR/SystemInformation.pm"
     )
     for entry in "${module_files[@]}"; do
         local src="$PVEMOD_SOURCES_DIR/${entry%%:*}"
@@ -622,6 +622,8 @@ install_sensor_monitor_module() {
     intel_enabled=$([[ "$ENABLE_INTEL_GPU_INFO" = true ]] && echo 1 || echo 0)
     nvidia_enabled=$([[ "$ENABLE_NVIDIA_GPU_INFO" = true ]] && echo 1 || echo 0)
     ups_enabled=$([[ "$ENABLE_UPS" = true ]] && echo 1 || echo 0)
+    system_info_enabled=$([[ "$ENABLE_SYSTEM_INFO" = true ]] && echo 1 || echo 0)
+    system_info_type="${SYSTEM_INFO_TYPE:-1}"
 
     # Determine UPS device name
     local ups_device="${upsConnection:-ups@localhost}"
@@ -633,6 +635,11 @@ install_sensor_monitor_module() {
         /enabled =>/ s/=> [01],/=> $ups_enabled,/
         /device_name =>/ s|=> '[^']*',|=> '$ups_device',|
     " "$PVEMOD_CONFIG_FILE"
+    # Patch system_info config block
+    sed -i "
+        /system_info/,/}/{/enabled =>/ s/=> [01],/=> $system_info_enabled,/}
+        /type[[:space:]]*=>/ s/=> [12],/=> $system_info_type,/
+    " "$PVEMOD_CONFIG_FILE"
 
     if [[ $? -eq 0 ]]; then
         info "Config.pm patched successfully."
@@ -653,34 +660,12 @@ insert_sensor_monitor_into_pve() {
 		$res->{PveMod_JsonSensorInfo} = PVE::API2::PVEMod_SensorInfo::get_sensors_info();\
 		$res->{PveMod_graphicsInfo} = PVE::API2::PVEMod_SensorInfo::get_pve_mod_version();\
 		$res->{PveMod_upsInfo} = PVE::API2::PVEMod_SensorInfo::get_ups_info();\
+		$res->{pveMod_sensorInfo_systemInfo} = PVE::API2::PVEMod_SensorInfo::get_system_information();\
 	' "$NODES_PM_FILE"
 	#endregion PveSensorInfoMod heredoc
     info "Sensor data retriever added to \"$NODES_PM_FILE\"."
 }
 
-# Collect system information
-insert_system_info_into_pve() {
-    local output_file="$1"
-    local systemInfoCmd
-
-	if [[ $ENABLE_SYSTEM_INFO == false ]]; then
-		return
-	fi
-
-    systemInfoCmd=$(dmidecode -t "${SYSTEM_INFO_TYPE}" \
-        | awk -F': ' '/Manufacturer|Product Name|Serial Number/ {print $1": "$2}' \
-        | awk '{$1=$1};1' \
-        | sed 's/$/ |/' \
-        | paste -sd " " - \
-        | sed 's/ |$//')
-	#region system info heredoc
-	sed -i "/my \$dinfo = df('\/', 1);/i\\
-		# Add system information to response\\
-		\$res->{pveMod_sensorInfo_systemInfo} = \"$(echo "$systemInfoCmd")\";\\
-" "$NODES_PM_FILE"
-	#endregion system info heredoc
-    info "System information retriever added to \"$output_file\"."
-}
 #endregion node info insertion
 
 #region UI Module Installation