l4d overlay split scripts

bundles/left4dead2/files/scripts/helpers

@@ -0,0 +1,38 @@
+#!/bin/bash
+set -xeuo pipefail
+
+function steam() {
+    # for systemd, so it can terminate the process (for other things sudo would have been enough)
+    setpriv --reuid=steam --regid=steam --init-groups "$@" <&0
+    export HOME=/opt/l4d2/steam
+}
+
+declare -A addons=(
+    [Ions_Vocalizer]=698857882
+    [EMS_Admin_System]=1376314661
+)
+
+function install_addon() {
+    local overlay="$1"
+    local addon_name="$2"
+    local addon_id="${addons[${addon_name}]}"
+    steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
+    test -f "/opt/l4d2/overlays/${overlay}/left4dead2/addons/${addon_id}.vpk" || \
+        steam /opt/l4d2/steam-workshop-download "${addon_id}" --out "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
+}
+
+function install_admin_system() {
+    local overlay="$1"
+    install_addon "${overlay}" EMS_Admin_System
+    steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/ems/admin system"
+    steam echo "STEAM_1:0:12376499" > "/opt/l4d2/overlays/${overlay}/left4dead2/ems/admin system/admins.txt"
+}
+
+function install_tickrate_enabler() {
+    local overlay="$1"
+    steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
+    for file in tickrate_enabler.dll tickrate_enabler.so tickrate_enabler.vdf
+    do
+        curl -L "https://github.com/SirPlease/L4D2-Competitive-Rework/raw/refs/heads/master/addons/${file}" -o "/opt/l4d2/overlays/${overlay}/left4dead2/addons/${file}"
+    done
+}

bundles/left4dead2/files/scripts/overlays/competitive_rework

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -xeuo pipefail
+source /opt/l4d2/scripts/helpers
+overlay=$(basename "$0")
+
+# https://github.com/SirPlease/L4D2-Competitive-Rework
+
+steam mkdir -p /opt/l4d2/overlays/$overlay
+
+steam mkdir -p /opt/l4d2/overlays/$overlay/left4dead2
+test -d /opt/l4d2/overlays/$overlay/left4dead2/cfg/cfgogl || \
+    curl -L https://github.com/SirPlease/L4D2-Competitive-Rework/archive/refs/heads/master.tar.gz | steam tar -xz --strip-components=1 -C /opt/l4d2/overlays/$overlay/left4dead2

bundles/left4dead2/files/scripts/overlays/l4d2center_maps

@@ -0,0 +1,128 @@
+#!/bin/bash
+set -xeuo pipefail
+source /opt/l4d2/scripts/helpers
+overlay=$(basename "$0")
+
+steam mkdir -p /opt/l4d2/overlays/$overlay/left4dead2/addons
+cd /opt/l4d2/overlays/$overlay/left4dead2/addons
+
+# https://l4d2center.com/maps/servers/l4d2center_maps_sync.sh.txt ->
+
+# Exit immediately if a command exits with a non-zero status.
+set -e
+
+# Function to print error messages
+error_exit() {
+    echo "Error: $1" >&2
+    exit 1
+}
+
+# Check if the current directory ends with /left4dead2/addons
+current_dir=$(pwd)
+expected_dir="/left4dead2/addons"
+
+if [[ ! "$current_dir" == *"$expected_dir" ]]; then
+    error_exit "Script must be run from your L4D2 \"addons\" folder. Current directory: $current_dir"
+fi
+
+# Check for required commands
+for cmd in curl md5sum 7z; do
+    if ! command -v "$cmd" >/dev/null 2>&1; then
+        error_exit "Required command '$cmd' is not installed. Please install it and retry."
+    fi
+done
+
+# URL of the CSV file
+CSV_URL="https://l4d2center.com/maps/servers/index.csv"
+
+# Temporary file to store CSV
+TEMP_CSV=$(mktemp)
+
+# Ensure temporary file is removed on exit
+trap 'rm -f "$TEMP_CSV"' EXIT
+
+echo "Downloading CSV from $CSV_URL..."
+curl -sSL -o "$TEMP_CSV" "$CSV_URL" || error_exit "Failed to download CSV."
+
+declare -A map_md5
+declare -A map_links
+
+# Read CSV and populate associative arrays
+{
+    # Skip the first line (header)
+    IFS= read -r header
+
+    while IFS=';' read -r Name Size MD5 DownloadLink || [[ $Name ]]; do
+        # Trim whitespace
+        Name=$(echo "$Name" | xargs)
+        MD5=$(echo "$MD5" | xargs)
+        DownloadLink=$(echo "$DownloadLink" | xargs)
+
+        # Populate associative arrays
+        map_md5["$Name"]="$MD5"
+        map_links["$Name"]="$DownloadLink"
+    done
+} < "$TEMP_CSV"
+
+# Get list of expected VPK files
+expected_vpk=("${!map_md5[@]}")
+
+# Remove VPK files not in expected list or with mismatched MD5
+echo "Cleaning up existing VPK files..."
+for file in *.vpk; do
+    # Check if it's a regular file
+    if [[ -f "$file" ]]; then
+        if [[ -z "${map_md5["$file"]}" ]]; then
+            echo "Removing unexpected file: $file"
+            rm -f "$file"
+        else
+            # Calculate MD5
+            echo "Calculating MD5 for existing file: $file..."
+            current_md5=$(md5sum "$file" | awk '{print $1}')
+            expected_md5="${map_md5["$file"]}"
+
+            if [[ "$current_md5" != "$expected_md5" ]]; then
+                echo "MD5 mismatch for $file. Removing."
+                rm -f "$file"
+            fi
+        fi
+    fi
+done
+
+# Download and extract missing or updated VPK files
+echo "Processing required VPK files..."
+for vpk in "${expected_vpk[@]}"; do
+    if [[ ! -f "$vpk" ]]; then
+        echo "Downloading and extracting $vpk..."
+        download_url="${map_links["$vpk"]}"
+
+        if [[ -z "$download_url" ]]; then
+            echo "No download link found for $vpk. Skipping."
+            continue
+        fi
+
+        encoded_url=$(echo "$download_url" | sed 's/ /%20/g')
+
+        # Download the .7z file to a temporary location
+        TEMP_7Z=$(mktemp --suffix=.7z)
+        curl -# -L -o "$TEMP_7Z" "$encoded_url"
+
+        # Check if the download was successful
+        if [[ $? -ne 0 ]]; then
+            echo "Failed to download $download_url. Skipping."
+            rm -f "$TEMP_7Z"
+            continue
+        fi
+
+        # Extract the .7z file
+        7z x -y "$TEMP_7Z" || { echo "Failed to extract $TEMP_7Z. Skipping."; rm -f "$TEMP_7Z"; continue; }
+
+        # Remove the temporary .7z file
+        rm -f "$TEMP_7Z"
+
+    else
+        echo "$vpk is already up to date."
+    fi
+done
+
+echo "Synchronization complete."

bundles/left4dead2/files/scripts/overlays/tickrate

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -xeuo pipefail
+source /opt/l4d2/scripts/helpers
+overlay=$(basename "$0")
+
+steam mkdir -p /opt/l4d2/overlays/$overlay
+
+# server config
+steam mkdir -p /opt/l4d2/overlays/$overlay/left4dead2/cfg
+steam cat <<'EOF' > /opt/l4d2/overlays/$overlay/left4dead2/cfg/server.cfg
+# https://github.com/SirPlease/L4D2-Competitive-Rework/blob/7ecc3a32a5e2180d6607a40119ff2f3c072502a9/cfg/server.cfg#L58-L69
+sv_minrate 100000
+sv_maxrate 100000
+nb_update_frequency 0.014
+net_splitpacket_maxrate 50000
+net_maxcleartime 0.0001
+fps_max 0
+EOF
+
+# admin system
+install_tickrate_enabler $overlay

bundles/left4dead2/files/scripts/overlays/vanilla

@@ -0,0 +1,16 @@
+#!/bin/bash
+set -xeuo pipefail
+source /opt/l4d2/scripts/helpers
+overlay=$(basename "$0")
+
+steam mkdir -p /opt/l4d2/overlays/$overlay
+
+# server config
+steam mkdir -p /opt/l4d2/overlays/$overlay/left4dead2/cfg
+steam cat <<'EOF' > /opt/l4d2/overlays/$overlay/left4dead2/cfg/server.cfg
+motd_enabled 0
+EOF
+
+# admin system
+install_addon $overlay Ions_Vocalizer
+install_admin_system $overlay

bundles/left4dead2/files/setup

@@ -10,36 +10,6 @@ function steam() {
     export HOME=/opt/l4d2/steam
 }
 
-declare -A addons=(
-    [Ions_Vocalizer]=698857882
-    [EMS_Admin_System]=1376314661
-)
-
-function install_addon() {
-    local overlay="$1"
-    local addon_name="$2"
-    local addon_id="${addons[${addon_name}]}"
-    steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
-    test -f "/opt/l4d2/overlays/${overlay}/left4dead2/addons/${addon_id}.vpk" || \
-        steam /opt/l4d2/steam-workshop-download "${addon_id}" --out "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
-}
-
-function install_admin_system() {
-    local overlay="$1"
-    install_addon "${overlay}" EMS_Admin_System
-    steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/ems/admin system"
-    steam echo "STEAM_1:0:12376499" > "/opt/l4d2/overlays/${overlay}/left4dead2/ems/admin system/admins.txt"
-}
-
-function install_tickrate_enabler() {
-    local overlay="$1"
-    steam mkdir -p "/opt/l4d2/overlays/${overlay}/left4dead2/addons"
-    for file in tickrate_enabler.dll tickrate_enabler.so tickrate_enabler.vdf
-    do
-        curl -L "https://github.com/SirPlease/L4D2-Competitive-Rework/raw/refs/heads/master/addons/${file}" -o "/opt/l4d2/overlays/${overlay}/left4dead2/addons/${file}"
-    done
-}
-
 # -- PREPARE SYSTEM -- #
 
 getent passwd steam >/dev/null || useradd -M -d /opt/l4d2 -s /bin/bash steam
@@ -83,61 +53,9 @@ steam /opt/l4d2/steam/steamcmd.sh \
 
 # -- OVERLAYS -- #
 
-steam mkdir -p /opt/l4d2/overlays
+for overlay in /opt/l4d2/scripts/overlays/*; do
-
+  bash -xeuo pipefail "$overlay"
-# workshop downloader
+done
-test -f /opt/l4d2/steam-workshop-download || \
-    steam wget -4 https://git.sublimity.de/cronekorkn/steam-workshop-downloader/raw/branch/master/steam-workshop-download -P /opt/l4d2
-steam chmod +x /opt/l4d2/steam-workshop-download
-
-# -- OVERLAY VANILLA -- #
-
-steam mkdir -p /opt/l4d2/overlays/vanilla
-
-# server config
-steam mkdir -p /opt/l4d2/overlays/vanilla/left4dead2/cfg
-steam cat <<'EOF' > /opt/l4d2/overlays/vanilla/left4dead2/cfg/server.cfg
-motd_enabled 0
-
-EOF
-
-# admin system
-install_addon vanilla Ions_Vocalizer
-install_admin_system vanilla
-
-# -- OVERLAY TICKRATE -- #
-
-steam mkdir -p /opt/l4d2/overlays/tickrate
-
-# server config
-steam mkdir -p /opt/l4d2/overlays/tickrate/left4dead2/cfg
-steam cat <<'EOF' > /opt/l4d2/overlays/tickrate/left4dead2/cfg/server.cfg
-# https://github.com/SirPlease/L4D2-Competitive-Rework/blob/7ecc3a32a5e2180d6607a40119ff2f3c072502a9/cfg/server.cfg#L58-L69
-sv_minrate 100000
-sv_maxrate 100000
-nb_update_frequency 0.014
-net_splitpacket_maxrate 50000
-net_maxcleartime 0.0001
-fps_max 0
-EOF
-
-# admin system
-install_tickrate_enabler tickrate
-
-# -- OVERLAY COMPETITIVE REWORK WIP -- #
-
-# https://github.com/SirPlease/L4D2-Competitive-Rework
-
-steam mkdir -p /opt/l4d2/overlays/competitive_rework
-steam mkdir -p /opt/l4d2/overlays/competitive_rework/left4dead2
-test -d /opt/l4d2/overlays/competitive_rework/left4dead2/cfg/cfgogl || \
-    curl -L https://github.com/SirPlease/L4D2-Competitive-Rework/archive/refs/heads/master.tar.gz | steam tar -xz --strip-components=1 -C /opt/l4d2/overlays/competitive_rework/left4dead2
-
-# if ! test -f /opt/l4d2/overlays/competitive_rework/left4dead2/cfg/server_original.cfg
-# then
-#     steam mv /opt/l4d2/overlays/competitive_rework/left4dead2/cfg/server.cfg /opt/l4d2/overlays/competitive_rework/left4dead2/cfg/server_original.cfg
-#     steam echo -e "exec server_original.cfg\nsm_forcematch zonemod" > /opt/l4d2/overlays/competitive_rework/left4dead2/cfg/server.cfg
-# fi
 
 # -- SERVERS -- #
 

bundles/left4dead2/items.py

@@ -7,11 +7,16 @@ users = {
 
 directories = {
     '/opt/l4d2': {
-        'owner': 'steam',
+        'owner': 'steam', 'group': 'steam',
-        'group': 'steam',
     },
     '/opt/l4d2/configs': {
-        'owner': 'steam',
+        'owner': 'steam', 'group': 'steam',
+    },
+    '/opt/l4d2/scripts': {
+        'owner': 'steam', 'group': 'steam',
+    },
+    '/opt/l4d2/scripts/overlays': {
+        'owner': 'steam', 'group': 'steam',
     },
 }
 
@@ -29,6 +34,22 @@ files = {
                 for server_name in node.metadata.get('left4dead2').keys()
         },
     },
+    '/opt/l4d2/scripts/helpers': {
+        'source': 'scripts/helpers',
+        'mode': '755',
+        'triggers': {
+            'svc_systemd:left4dead2-initialize.service:restart',
+        },
+    },
+}
+
+for overlay in ['vanilla', 'tickrate', 'competitive_rework', 'l4d2center_maps']:
+    files[f'/opt/l4d2/scripts/overlays/{overlay}'] = {
+        'source': f'scripts/overlays/{overlay}',
+        'mode': '755',
+        'triggers': {
+            'svc_systemd:left4dead2-initialize.service:restart',
+        },
     }
 
 svc_systemd = {

bundles/left4dead2/metadata.py

@@ -7,6 +7,7 @@ defaults = {
             'libc6_i386': {}, # installs libc6:i386
             'lib32z1': {},
             'unzip': {},
+            'p7zip-full': {}, # l4d2center_maps_sync.sh
         },
     },
     'left4dead2': {},