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azerothcore-wotlk/apps/startup-scripts/src/service-manager.sh

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#!/usr/bin/env bash
# AzerothCore Service Setup
# A unified interface for managing AzerothCore services with PM2 or systemd
# This script provides commands to create, update, delete, and manage server instances
set -euo pipefail # Strict error handling
# Script location
CURRENT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
SCRIPT_DIR="$CURRENT_PATH"
ROOT_DIR="$(cd "$CURRENT_PATH/../../.." && pwd)"
# Configuration directory (can be overridden with AC_SERVICE_CONFIG_DIR)
CONFIG_DIR="${AC_SERVICE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/azerothcore/services}"
REGISTRY_FILE="$CONFIG_DIR/service_registry.json"
# Colors for output
readonly YELLOW='\033[1;33m'
readonly GREEN='\033[0;32m'
readonly RED='\033[0;31m'
readonly BLUE='\033[0;34m'
readonly NC='\033[0m' # No Color
# Create config directory if it doesn't exist
mkdir -p "$CONFIG_DIR"
# Initialize registry if it doesn't exist
if [ ! -f "$REGISTRY_FILE" ]; then
echo "[]" > "$REGISTRY_FILE"
fi
# Check dependencies
check_dependencies() {
command -v jq >/dev/null 2>&1 || {
echo -e "${RED}Error: jq is required but not installed. Please install jq package.${NC}"
exit 1
}
}
# Registry management functions
function add_service_to_registry() {
local service_name="$1"
local provider="$2"
local service_type="$3"
local bin_path="$4"
local args="$5"
local systemd_type="$6"
local restart_policy="$7"
local session_manager="$8"
local gdb_enabled="$9"
local pm2_opts="${10}"
local server_config="${11}"
# Remove any existing entry with the same service name to avoid duplicates
local tmp_file
tmp_file=$(mktemp)
jq --arg name "$service_name" 'map(select(.name != $name))' "$REGISTRY_FILE" > "$tmp_file" && mv "$tmp_file" "$REGISTRY_FILE"
# Add the new entry to the registry
tmp_file=$(mktemp)
jq --arg name "$service_name" \
--arg provider "$provider" \
--arg type "$service_type" \
--arg bin_path "$bin_path" \
--arg args "$args" \
--arg created "$(date -Iseconds)" \
--arg systemd_type "$systemd_type" \
--arg restart_policy "$restart_policy" \
--arg session_manager "$session_manager" \
--arg gdb_enabled "$gdb_enabled" \
--arg pm2_opts "$pm2_opts" \
--arg server_config "$server_config" \
'. += [{"name": $name, "provider": $provider, "type": $type, "bin_path": $bin_path, "args": $args, "created": $created, "status": "active", "systemd_type": $systemd_type, "restart_policy": $restart_policy, "session_manager": $session_manager, "gdb_enabled": $gdb_enabled, "pm2_opts": $pm2_opts, "server_config": $server_config}]' \
"$REGISTRY_FILE" > "$tmp_file" && mv "$tmp_file" "$REGISTRY_FILE"
echo -e "${GREEN}Service '$service_name' added to registry${NC}"
}
function remove_service_from_registry() {
local service_name="$1"
if [ -f "$REGISTRY_FILE" ]; then
local tmp_file
tmp_file=$(mktemp)
jq --arg name "$service_name" \
'map(select(.name != $name))' \
"$REGISTRY_FILE" > "$tmp_file" && mv "$tmp_file" "$REGISTRY_FILE"
echo -e "${GREEN}Service '$service_name' removed from registry${NC}"
fi
}
function restore_missing_services() {
echo -e "${BLUE}Checking for missing services...${NC}"
if [ ! -f "$REGISTRY_FILE" ] || [ ! -s "$REGISTRY_FILE" ]; then
echo -e "${YELLOW}No services registry found or empty${NC}"
return 0
fi
local missing_services=()
local services_count
services_count=$(jq length "$REGISTRY_FILE")
if [ "$services_count" -eq 0 ]; then
echo -e "${YELLOW}No services registered${NC}"
return 0
fi
echo -e "${BLUE}Found $services_count registered services. Checking status...${NC}"
# Check each service
for i in $(seq 0 $((services_count-1))); do
local service=$(jq -r ".[$i]" "$REGISTRY_FILE")
local name=$(echo "$service" | jq -r '.name')
local provider=$(echo "$service" | jq -r '.provider')
local service_type=$(echo "$service" | jq -r '.type')
local bin_path=$(echo "$service" | jq -r '.bin_path // "unknown"')
local args=$(echo "$service" | jq -r '.args // ""')
local status=$(echo "$service" | jq -r '.status // "active"')
local systemd_type=$(echo "$service" | jq -r '.systemd_type // "--user"')
local restart_policy=$(echo "$service" | jq -r '.restart_policy // "always"')
local session_manager=$(echo "$service" | jq -r '.session_manager // "none"')
local gdb_enabled=$(echo "$service" | jq -r '.gdb_enabled // "0"')
local pm2_opts=$(echo "$service" | jq -r '.pm2_opts // ""')
local server_config=$(echo "$service" | jq -r '.server_config // ""')
local service_exists=false
if [ "$provider" = "pm2" ]; then
if pm2 describe "$name" >/dev/null 2>&1; then
service_exists=true
fi
elif [ "$provider" = "systemd" ]; then
local user_unit="${XDG_CONFIG_HOME:-$HOME/.config}/systemd/user/$name.service"
local system_unit="/etc/systemd/system/$name.service"
if [ -f "$user_unit" ] || [ -f "$system_unit" ]; then
# Unit file present, you can also check if it is active
service_exists=true
else
# Unit file missing: service needs to be recreated!
service_exists=false
fi
fi
if [ "$service_exists" = false ]; then
missing_services+=("$i")
echo -e "${YELLOW}Missing service: $name ($provider)${NC}"
else
echo -e "${GREEN}✓ Service $name ($provider) exists${NC}"
fi
done
# Handle missing services
if [ ${#missing_services[@]} -eq 0 ]; then
echo -e "${GREEN}All registered services are present${NC}"
return 0
fi
echo -e "${YELLOW}Found ${#missing_services[@]} missing services${NC}"
for index in "${missing_services[@]}"; do
local service=$(jq -r ".[$index]" "$REGISTRY_FILE")
local name=$(echo "$service" | jq -r '.name')
local provider=$(echo "$service" | jq -r '.provider')
local service_type=$(echo "$service" | jq -r '.type')
local bin_path=$(echo "$service" | jq -r '.bin_path')
local args=$(echo "$service" | jq -r '.args')
local systemd_type=$(echo "$service" | jq -r '.systemd_type // "--user"')
local restart_policy=$(echo "$service" | jq -r '.restart_policy // "always"')
local session_manager=$(echo "$service" | jq -r '.session_manager // "none"')
local gdb_enabled=$(echo "$service" | jq -r '.gdb_enabled // "0"')
local pm2_opts=$(echo "$service" | jq -r '.pm2_opts // ""')
local server_config=$(echo "$service" | jq -r '.server_config // ""')
echo ""
echo -e "${YELLOW}Service '$name' ($provider) is missing${NC}"
echo " Type: $service_type"
echo " Status: $status"
if [ "$bin_path" = "unknown" ] || [ "$bin_path" = "null" ] || [ "$status" = "migrated" ]; then
echo " Binary: <needs manual configuration>"
echo " Args: <needs manual configuration>"
echo ""
echo -e "${YELLOW}This service needs to be recreated manually:${NC}"
echo " $0 create $service_type $name --provider $provider --bin-path /path/to/your/bin"
else
echo " Binary: $bin_path"
echo " Args: $args"
fi
echo ""
read -p "Do you want to (r)ecreate, (d)elete from registry, or (s)kip? [r/d/s]: " choice
case "$choice" in
r|R|recreate)
if [ "$bin_path" = "unknown" ] || [ "$status" = "migrated" ]; then
echo -e "${YELLOW}Please recreate manually with full create command${NC}"
read -p "Remove this entry from registry? [y/n]: " remove_entry
if [[ "$remove_entry" =~ ^[Yy]$ ]]; then
remove_service_from_registry "$name"
fi
else
echo -e "${BLUE}Recreating service '$name'...${NC}"
if [ "$provider" = "pm2" ]; then
if [ "$args" != "null" ] && [ -n "$args" ]; then
pm2_create_service "$name" "$bin_path $args" "$restart_policy" $pm2_opts
else
pm2_create_service "$name" "$bin_path" "$restart_policy" $pm2_opts
fi
elif [ "$provider" = "systemd" ]; then
echo -e "${BLUE}Attempting to recreate systemd service '$name' automatically...${NC}"
if systemd_create_service "$name" "$bin_path $args" "$restart_policy" "$systemd_type" "$session_manager" "$gdb_enabled" "$server_config"; then
echo -e "${GREEN}Systemd service '$name' recreated successfully${NC}"
else
echo -e "${RED}Failed to recreate systemd service '$name'. Please recreate manually.${NC}"
echo " $0 create $name $service_type --provider systemd --bin-path $bin_path"
fi
fi
fi
;;
d|D|delete)
echo -e "${BLUE}Removing '$name' from registry...${NC}"
remove_service_from_registry "$name"
;;
s|S|skip|*)
echo -e "${BLUE}Skipping '$name'${NC}"
;;
esac
done
}
# Check if PM2 is installed
check_pm2() {
if ! command -v pm2 >/dev/null 2>&1; then
echo -e "${RED}Error: PM2 is not installed. Please install PM2 first:${NC}"
echo " npm install -g pm2"
return 1
fi
}
# Check if systemd is available
check_systemd() {
if ! command -v systemctl >/dev/null 2>&1; then
echo -e "${RED}Error: systemd is not available on this system${NC}"
return 1
fi
}
# Auto-detect provider based on system availability
auto_detect_provider() {
if check_systemd 2>/dev/null; then
echo "systemd"
elif check_pm2 2>/dev/null; then
echo "pm2"
else
echo -e "${RED}Error: Neither systemd nor PM2 is available on this system${NC}" >&2
echo -e "${YELLOW}Please install PM2 (npm install -g pm2) or ensure systemd is available${NC}" >&2
return 1
fi
}
# Helper functions
function print_help() {
local base_name="$(basename $0)"
echo -e "${BLUE}AzerothCore Service Setup${NC}"
echo "A unified interface for managing AzerothCore services with PM2 or systemd"
echo ""
echo "Usage:"
echo " $base_name create <service-type> <service-name> [options]"
echo " $base_name update <service-name> [options]"
echo " $base_name delete <service-name>"
echo " $base_name list [provider]"
echo " $base_name restore"
echo " $base_name start|stop|restart|status <service-name>"
echo " $base_name logs <service-name> [--follow]"
echo " $base_name attach <service-name>"
echo " $base_name is-running <service-name> # exit 0 if running, 1 otherwise"
echo " $base_name uptime-seconds <service-name> # print uptime in seconds (fails if not running)"
echo " $base_name wait-uptime <service> <sec> [t] # wait until uptime >= seconds (timeout t, default 120)"
echo " $base_name send <service-name> <command...> # send console command to service"
echo " $base_name show-config <service-name> # print current service + run-engine config"
echo " $base_name edit-config <service-name>"
echo ""
echo "Providers:"
echo " pm2 - Use PM2 process manager"
echo " systemd - Use systemd service manager"
echo " auto - Automatically choose systemd or fallback to pm2 (default)"
echo ""
echo "Service Types:"
echo " auth - Authentication server"
echo " world - World server (use different names for multiple realms)"
echo ""
echo "Options:"
echo " --provider <type> - Service provider (pm2|systemd|auto, default: auto)"
echo " --bin-path <path> - Path to the server binary directory"
echo " --server-config <path> - Path to the server configuration file"
echo " --session-manager <type> - Session manager (none|tmux|screen, default: none)"
echo " Note: PM2 doesn't support tmux/screen, always uses 'none'"
echo " --gdb-enabled <0|1> - Enable GDB debugging (default: 0)"
echo " --system - Create as system service (systemd only, requires sudo)"
echo " --user - Create as user service (systemd only, default)"
echo " --max-memory <value> - Maximum memory limit (PM2 only)"
echo " --max-restarts <value> - Maximum restart attempts (PM2 only)"
echo " --restart-policy <policy> - Restart policy (on-failure|always, default: always)"
echo " on-failure: restart only on crash/error (only works with PM2 or systemd without tmux/screen)"
echo " always: restart on any exit (including 'server shutdown')"
echo " --no-start - Do not start the service after creation"
echo ""
echo "Examples:"
echo " # Create auth server (auto-detects provider)"
echo " $base_name create auth authserver --bin-path /home/user/azerothcore/bin"
echo ""
echo " # Create PM2 auth server explicitly"
echo " $base_name create auth authserver --provider pm2 --bin-path /home/user/azerothcore/bin"
echo ""
echo " # Create systemd world server with debugging enabled"
echo " $base_name create world worldserver-realm1 --provider systemd"
echo " --bin-path /home/user/azerothcore/bin"
echo " --server-config /home/user/azerothcore/etc/worldserver.conf"
echo " --gdb-enabled 1 --session-manager tmux"
echo ""
echo " # Create service without starting it"
echo " $base_name create auth authserver --bin-path /home/user/azerothcore/bin --no-start"
echo ""
echo " # Create service with always restart policy"
echo " $base_name create world worldserver --bin-path /home/user/azerothcore/bin --restart-policy always"
echo ""
echo " # Update run-engine configuration"
echo " $base_name update worldserver-realm1 --session-manager screen --gdb-enabled 0"
echo ""
echo " # Service management"
echo " $base_name start worldserver-realm1"
echo " $base_name logs worldserver-realm1 --follow"
echo " $base_name attach worldserver-realm1"
echo " $base_name list pm2"
echo ""
echo " # Restore missing services from registry"
echo " $base_name restore"
echo ""
echo "Notes:"
echo " - Configuration editing modifies run-engine settings (GDB, session manager, etc.)"
echo " - Use --server-config for the actual server configuration file"
echo " - Services use run-engine in 'start' mode for single-shot execution"
echo " - Restart on crash is handled by PM2 or systemd, not by run-engine"
echo " - When restart-policy is 'always': 'server shutdown X' behaves like 'server restart X'"
echo " (only the in-game message differs, but the service will restart automatically)"
echo " - PM2 services always use session-manager 'none' and have built-in attach functionality"
echo " - attach command automatically detects the configured session manager and connects appropriately"
echo " - attach always provides interactive access to the server console"
echo " - Use 'logs' command to view service logs without interaction"
echo " - restore command checks registry and helps recreate missing services"
echo ""
echo "Environment Variables:"
echo " AC_SERVICE_CONFIG_DIR - Override default config directory for services registry"
}
function validate_service_exists() {
local service_name="$1"
local provider="$2"
if [ "$provider" = "pm2" ]; then
# Check if service exists in PM2 using pm2 describe (most reliable)
if pm2 describe "$service_name" >/dev/null 2>&1; then
return 0 # Service exists
else
return 1 # Service doesn't exist
fi
elif [ "$provider" = "systemd" ]; then
# Check if service exists in systemd
local systemd_type="--user"
if [ -f "/etc/systemd/system/$service_name.service" ]; then
systemd_type="--system"
fi
if [ "$systemd_type" = "--system" ]; then
if ! systemctl is-active "$service_name.service" >/dev/null 2>&1 && \
! systemctl is-enabled "$service_name.service" >/dev/null 2>&1 && \
! systemctl is-failed "$service_name.service" >/dev/null 2>&1; then
return 1 # Service not found
fi
else
if ! systemctl --user is-active "$service_name.service" >/dev/null 2>&1 && \
! systemctl --user is-enabled "$service_name.service" >/dev/null 2>&1 && \
! systemctl --user is-failed "$service_name.service" >/dev/null 2>&1; then
return 1 # Service not found
fi
fi
fi
return 0 # Service exists
}
function sync_registry() {
echo -e "${YELLOW}Syncing service registry with actual services...${NC}"
if [ ! -f "$REGISTRY_FILE" ] || [ ! -s "$REGISTRY_FILE" ]; then
echo -e "${YELLOW}No services registry found or empty${NC}"
return 0
fi
local services_count=$(jq length "$REGISTRY_FILE")
if [ "$services_count" -eq 0 ]; then
echo -e "${YELLOW}No services registered${NC}"
return 0
fi
local tmp_file=$(mktemp)
echo "[]" > "$tmp_file"
# Check each service in registry
for i in $(seq 0 $((services_count-1))); do
local service=$(jq -r ".[$i]" "$REGISTRY_FILE")
local name=$(echo "$service" | jq -r '.name')
local provider=$(echo "$service" | jq -r '.provider')
if validate_service_exists "$name" "$provider"; then
# Service exists, add it to the new registry
jq --argjson service "$service" '. += [$service]' "$tmp_file" > "$tmp_file.new"
mv "$tmp_file.new" "$tmp_file"
else
echo -e "${YELLOW}Service '$name' no longer exists. Removing from registry.${NC}"
# Don't add to new registry
fi
done
# Replace registry with synced version
mv "$tmp_file" "$REGISTRY_FILE"
echo -e "${GREEN}Registry synchronized.${NC}"
}
function get_service_info() {
local service_name="$1"
jq --arg name "$service_name" '.[] | select(.name == $name)' "$REGISTRY_FILE"
}
# PM2 service management functions
function pm2_create_service() {
local service_name="$1"
local command="$2"
local restart_policy="$3"
shift 3
check_pm2 || return 1
# Parse additional PM2 options
local max_memory=""
local max_restarts=""
local additional_args=""
while [[ $# -gt 0 ]]; do
case "$1" in
--max-memory)
max_memory="$2"
shift 2
;;
--max-restarts)
max_restarts="$2"
shift 2
;;
*)
additional_args+=" $1"
shift
;;
esac
done
# Set stop exit codes based on restart policy
local stop_exit_codes=""
if [ "$restart_policy" = "always" ]; then
# PM2 will restart on any exit code (including 0)
stop_exit_codes=""
else
# PM2 will not restart on clean shutdown (exit code 0)
stop_exit_codes=" --stop-exit-codes 0"
fi
# Build PM2 start command with AzerothCore environment variable
local pm2_cmd="AC_LAUNCHED_BY_PM2=1 pm2 start '$command$additional_args' --name '$service_name'$stop_exit_codes"
# Add memory limit if specified
if [ -n "$max_memory" ]; then
pm2_cmd+=" --max-memory-restart $max_memory"
fi
# Add max restarts if specified
if [ -n "$max_restarts" ]; then
pm2_cmd+=" --max-restarts $max_restarts"
fi
# Execute command
echo -e "${YELLOW}Creating PM2 service: $service_name${NC}"
if eval "$pm2_cmd"; then
echo -e "${GREEN}PM2 service '$service_name' created successfully${NC}"
pm2 save
# Setup PM2 startup for persistence across reboots
echo -e "${BLUE}Configuring PM2 startup for persistence...${NC}"
pm2 startup --auto >/dev/null 2>&1 || true
# Add to registry (extract command and args from the full command)
local clean_command="$command$additional_args"
add_service_to_registry "$service_name" "pm2" "executable" "$command" "$additional_args" "" "$restart_policy" "none" "0" "$max_memory $max_restarts" ""
return 0
else
echo -e "${RED}Failed to create PM2 service '$service_name'${NC}"
return 1
fi
}
function pm2_remove_service() {
local service_name="$1"
check_pm2 || return 1
echo -e "${YELLOW}Stopping and removing PM2 service: $service_name${NC}"
# Stop the service if it's running
if pm2 describe "$service_name" >/dev/null 2>&1; then
pm2 stop "$service_name" 2>&1 || true
pm2 delete "$service_name" 2>&1 || true
# Wait for PM2 to process the stop/delete command with timeout
local timeout=10
local elapsed=0
while pm2 describe "$service_name" >/dev/null 2>&1; do
if [ "$elapsed" -ge "$timeout" ]; then
echo -e "${RED}Timeout reached while waiting for PM2 service '$service_name' to stop${NC}"
return 1
fi
sleep 0.5
elapsed=$((elapsed + 1))
done
# Verify the service was removed
if pm2 describe "$service_name" >/dev/null 2>&1; then
echo -e "${RED}Failed to remove PM2 service '$service_name'${NC}"
return 1
fi
pm2 save
echo -e "${GREEN}PM2 service '$service_name' stopped and removed${NC}"
# Remove from registry
remove_service_from_registry "$service_name"
else
echo -e "${YELLOW}PM2 service '$service_name' not found or already removed${NC}"
# Still try to remove from registry in case it's orphaned
remove_service_from_registry "$service_name"
fi
return 0
}
function pm2_service_action() {
local action="$1"
local service_name="$2"
check_pm2 || return 1
echo -e "${YELLOW}${action^} PM2 service: $service_name${NC}"
pm2 "$action" "$service_name"
}
function pm2_service_logs() {
local service_name="$1"
local follow="$2"
check_pm2 || return 1
echo -e "${YELLOW}Showing PM2 logs for: $service_name${NC}"
if [ "$follow" = "true" ]; then
pm2 logs "$service_name" --lines 50
else
pm2 logs "$service_name" --lines 50 --nostream
fi
}
# Systemd service management functions
function get_systemd_dir() {
local type="$1"
if [ "$type" = "--system" ]; then
echo "/etc/systemd/system"
else
echo "${XDG_CONFIG_HOME:-$HOME/.config}/systemd/user"
fi
}
function systemd_create_service() {
local service_name="$1"
local command="$2"
local restart_policy="$3"
local systemd_type="--user"
local bin_path=""
local gdb_enabled="0"
local server_config=""
shift 3
check_systemd || return 1
# Parse systemd type and extract additional parameters
while [[ $# -gt 0 ]]; do
case "$1" in
--system|--user)
systemd_type="$1"
shift
;;
--bin-path)
bin_path="$2"
shift 2
;;
--gdb-enabled)
gdb_enabled="$2"
shift 2
;;
--server-config)
server_config="$2"
shift 2
;;
*)
command+=" $1"
shift
;;
esac
done
# If bin_path is not provided, try to extract from command
if [ -z "$bin_path" ]; then
# Try to extract bin path from run-engine command
if [[ "$command" =~ run-engine[[:space:]]+start[[:space:]]+([^[:space:]]+) ]]; then
local binary_path="${BASH_REMATCH[1]}"
bin_path="$(dirname "$binary_path")"
else
# Fallback to current directory
bin_path="$(pwd)"
fi
fi
local systemd_dir=$(get_systemd_dir "$systemd_type")
local service_file="$systemd_dir/$service_name.service"
# Create systemd directory if it doesn't exist
if [ "$systemd_type" = "--system" ]; then
if [ "$EUID" -ne 0 ]; then
echo -e "${RED}Error: System services require root privileges. Use sudo.${NC}"
return 1
fi
mkdir -p "$systemd_dir"
else
mkdir -p "$systemd_dir"
fi
# Determine service type and ExecStop for systemd
local service_type="simple"
local exec_stop=""
# Load the run-engine config to check the session manager
local run_engine_config_path="$CONFIG_DIR/$service_name-run-engine.conf"
local session_manager="none"
local session_name="$service_name"
if [ -f "$run_engine_config_path" ]; then
# Read the session manager and name from the config file without sourcing it
session_manager=$(grep -oP 'SESSION_MANAGER="\K[^"]+' "$run_engine_config_path" || echo "none")
session_name=$(grep -oP 'SESSION_NAME="\K[^"]+' "$run_engine_config_path" || echo "$service_name")
fi
if [ "$session_manager" = "tmux" ] || [ "$session_manager" = "screen" ]; then
service_type="forking"
fi
# Create service file
echo -e "${YELLOW}Creating systemd service: $service_name${NC}"
# Ensure bin_path is absolute
if [[ ! "$bin_path" = /* ]]; then
bin_path="$(realpath "$bin_path")"
fi
if [ "$systemd_type" = "--system" ]; then
# System service template (with User directive)
cat > "$service_file" << EOF
[Unit]
Description=AzerothCore $service_name
After=network.target
[Service]
Type=${service_type}
ExecStart=$command
Restart=$restart_policy
RestartSec=3
User=$(whoami)
Group=$(id -gn)
WorkingDirectory=$bin_path
StandardOutput=journal+console
StandardError=journal+console
[Install]
WantedBy=multi-user.target
EOF
else
# User service template (no User/Group directives)
cat > "$service_file" << EOF
[Unit]
Description=AzerothCore $service_name
After=network.target
[Service]
Type=${service_type}
ExecStart=$command
Restart=$restart_policy
RestartSec=3
WorkingDirectory=$bin_path
StandardOutput=journal+console
StandardError=journal+console
[Install]
WantedBy=default.target
EOF
fi
# Reload systemd and enable service
if [ "$systemd_type" = "--system" ]; then
systemctl daemon-reload
systemctl enable "$service_name.service"
else
systemctl --user daemon-reload
systemctl --user enable "$service_name.service"
fi
echo -e "${GREEN}Systemd service '$service_name' created successfully with session manager '$session_manager'${NC}"
# Add to registry
add_service_to_registry "$service_name" "systemd" "service" "$command" "" "$systemd_type" "$restart_policy" "$session_manager" "$gdb_enabled" "" "$server_config"
return 0
}
function systemd_remove_service() {
local service_name="$1"
local systemd_type="--user"
check_systemd || return 1
# Try to determine if it's a system or user service
if [ -f "/etc/systemd/system/$service_name.service" ]; then
systemd_type="--system"
fi
local systemd_dir=$(get_systemd_dir "$systemd_type")
local service_file="$systemd_dir/$service_name.service"
echo -e "${YELLOW}Stopping and removing systemd service: $service_name (${systemd_type#--})${NC}"
# Check if service file exists
if [ ! -f "$service_file" ]; then
echo -e "${YELLOW}Systemd service file '$service_file' not found or already removed${NC}"
return 0
fi
# Stop and disable service
local removal_failed=false
if [ "$systemd_type" = "--system" ]; then
if [ "$EUID" -ne 0 ]; then
echo -e "${RED}Error: System services require root privileges. Use sudo.${NC}"
return 1
fi
systemctl stop "$service_name.service" 2>/dev/null || true
systemctl disable "$service_name.service" 2>/dev/null || true
systemctl daemon-reload
# Verify service is no longer active
if systemctl is-active "$service_name.service" >/dev/null 2>&1; then
echo -e "${RED}Warning: Failed to stop system service '$service_name'${NC}"
removal_failed=true
fi
else
systemctl --user stop "$service_name.service" 2>/dev/null || true
systemctl --user disable "$service_name.service" 2>/dev/null || true
systemctl --user daemon-reload
# Verify service is no longer active
if systemctl --user is-active "$service_name.service" >/dev/null 2>&1; then
echo -e "${RED}Warning: Failed to stop user service '$service_name'${NC}"
removal_failed=true
fi
fi
# Remove service file
if rm -f "$service_file"; then
echo -e "${GREEN}Systemd service '$service_name' stopped and removed${NC}"
if [ "$removal_failed" = "true" ]; then
echo -e "${YELLOW}Note: Service may still be running but configuration was removed${NC}"
fi
# Remove from registry
remove_service_from_registry "$service_name"
return 0
else
echo -e "${RED}Failed to remove systemd service file '$service_file'${NC}"
return 1
fi
}
function systemd_service_action() {
local action="$1"
local service_name="$2"
local systemd_type="--user"
check_systemd || return 1
# Try to determine if it's a system or user service
if [ -f "/etc/systemd/system/$service_name.service" ]; then
systemd_type="--system"
fi
echo -e "${YELLOW}${action^} systemd service: $service_name${NC}"
# stop tmux or screen session if applicable && action is stop or restart
if [[ "$action" == "stop" || "$action" == "restart" ]]; then
local session_manager=$(grep -oP 'SESSION_MANAGER="\K[^"]+' "$CONFIG_DIR/$service_name-run-engine.conf" || echo "none")
if [ "$session_manager" = "tmux" ]; then
echo -e "${YELLOW}Stopping tmux session for service: $service_name${NC}"
tmux kill-session -t "$service_name"
elif [ "$session_manager" = "screen" ]; then
echo -e "${YELLOW}Stopping screen session for service: $service_name${NC}"
screen -S "$service_name" -X quit
fi
fi
if [ "$systemd_type" = "--system" ]; then
systemctl "$action" "$service_name.service"
else
systemctl --user "$action" "$service_name.service"
fi
}
function systemd_service_logs() {
local service_name="$1"
local follow="$2"
local systemd_type="--user"
check_systemd || return 1
# Try to determine if it's a system or user service
if [ -f "/etc/systemd/system/$service_name.service" ]; then
systemd_type="--system"
fi
echo -e "${YELLOW}Showing systemd logs for: $service_name${NC}"
if [ "$follow" = "true" ]; then
if [ "$systemd_type" = "--system" ]; then
journalctl --unit="$service_name.service" -e -f
else
journalctl --user-unit="$service_name.service" -e -f
fi
else
if [ "$systemd_type" = "--system" ]; then
journalctl --unit="$service_name.service" -e --lines 50 --no-pager
else
journalctl --user-unit="$service_name.service" -e --lines 50 --no-pager
fi
fi
}
function create_service() {
local service_type="$1"
local service_name="$2"
shift 2
# Validate service type
if [[ "$service_type" != "auth" && "$service_type" != "world" ]]; then
echo -e "${RED}Error: Invalid service type. Use 'auth' or 'world'${NC}"
return 1
fi
# Check if service already exists
if [ -n "$(get_service_info "$service_name")" ]; then
echo -e "${RED}Error: Service '$service_name' already exists${NC}"
return 1
fi
# Default values for run-engine configuration
local provider="auto"
local bin_path="${BINPATH:-$ROOT_DIR/bin}" # get from config or environment
local server_config=""
local session_manager="none"
local gdb_enabled="0"
local restart_policy="always"
local systemd_type="--user"
local pm2_opts=""
local auto_start="true"
# Parse options
while [[ $# -gt 0 ]]; do
case "$1" in
--provider)
provider="$2"
shift 2
;;
--bin-path)
bin_path="$2"
shift 2
;;
--server-config)
server_config="$2"
shift 2
;;
--session-manager)
session_manager="$2"
shift 2
;;
--gdb-enabled)
gdb_enabled="$2"
shift 2
;;
--restart-policy)
restart_policy="$2"
shift 2
;;
--system)
systemd_type="--system"
shift
;;
--user)
systemd_type="--user"
shift
;;
--max-memory|--max-restarts)
pm2_opts="$pm2_opts $1 $2"
shift 2
;;
--no-start)
auto_start="false"
shift
;;
*)
echo -e "${RED}Error: Unknown option: $1${NC}"
return 1
;;
esac
done
# Auto-detect provider if set to auto
if [ "$provider" = "auto" ]; then
if ! provider=$(auto_detect_provider); then
return 1
fi
echo -e "${BLUE}Auto-detected provider: $provider${NC}"
fi
# Validate provider
if [[ "$provider" != "pm2" && "$provider" != "systemd" ]]; then
echo -e "${RED}Error: Invalid provider. Use 'pm2', 'systemd', or 'auto'${NC}"
return 1
fi
# Validate restart policy
if [[ "$restart_policy" != "on-failure" && "$restart_policy" != "always" ]]; then
echo -e "${RED}Error: Invalid restart policy. Use 'on-failure' or 'always'${NC}"
return 1
fi
# PM2 specific validation and adjustments
if [ "$provider" = "pm2" ]; then
# PM2 doesn't support session managers (tmux/screen), force to none
if [ "$session_manager" != "none" ]; then
echo -e "${YELLOW}Warning: PM2 doesn't support session managers. Setting session-manager to 'none'${NC}"
echo -e "${BLUE}PM2 has built-in attach functionality via: $0 attach $service_name${NC}"
session_manager="none"
fi
fi
# Determine server binary based on service type
local server_bin="${service_type}server"
local server_binary_path=$(realpath "$bin_path/$server_bin")
local real_config_path=""
if [ -n "$server_config" ]; then
real_config_path=$(realpath "$server_config")
fi
# Check if binary exists
if [ ! -f "$server_binary_path" ]; then
echo -e "${RED}Error: Server binary not found: $server_binary_path, please check your --bin-path option ${NC}"
return 1
fi
# Create run-engine configuration file for this service
local run_engine_config="$CONFIG_DIR/$service_name-run-engine.conf"
cat > "$run_engine_config" << EOF
# run-engine configuration for service: $service_name
# This file contains run-engine specific settings
# Enable/disable GDB execution
export GDB_ENABLED=$gdb_enabled
# Session manager (none|auto|tmux|screen)
export SESSION_MANAGER="$session_manager"
# Restart policy (on-failure|always)
export RESTART_POLICY="$restart_policy"
# Service mode - indicates this is running under a service manager (systemd/pm2)
# When true, AC_DISABLE_INTERACTIVE will be set if no interactive session manager is used
export SERVICE_MODE="true"
# Session name for tmux/screen (optional)
export SESSION_NAME="${service_name}"
# Binary directory path
export BINPATH="$bin_path"
# Server binary name
export SERVERBIN="$server_bin"
# Server configuration file path
export CONFIG="$real_config_path"
# Show console output for easier debugging
export WITH_CONSOLE=1
EOF
# Create service configuration file for our registry
cat > "$CONFIG_DIR/$service_name.conf" << EOF
# AzerothCore service configuration for $service_name
# Created: $(date)
# Provider: $provider
# Service Type: $service_type
# run-engine configuration file
RUN_ENGINE_CONFIG_FILE="$run_engine_config"
# Restart policy
RESTART_POLICY="$restart_policy"
# Provider-specific options
SYSTEMD_TYPE="$systemd_type"
PM2_OPTS="$pm2_opts"
EOF
# Build run-engine command
local run_engine_cmd="$SCRIPT_DIR/run-engine start $server_binary_path --config $run_engine_config"
# Create the actual service
local service_creation_success=false
if [ "$provider" = "pm2" ]; then
if [ -n "$pm2_opts" ]; then
if pm2_create_service "$service_name" "$run_engine_cmd" "$restart_policy" $pm2_opts; then
service_creation_success=true
fi
else
if pm2_create_service "$service_name" "$run_engine_cmd" "$restart_policy"; then
service_creation_success=true
fi
fi
elif [ "$provider" = "systemd" ]; then
if systemd_create_service "$service_name" "$run_engine_cmd" "$restart_policy" "$systemd_type"; then
service_creation_success=true
fi
fi
# Check if service creation was successful
if [ "$service_creation_success" = "true" ]; then
echo -e "${GREEN}Service '$service_name' created successfully${NC}"
echo -e "${BLUE}Run-engine config: $run_engine_config${NC}"
# Auto-start the service unless --no-start was specified
if [ "$auto_start" = "true" ]; then
echo -e "${YELLOW}Starting service '$service_name'...${NC}"
if service_action "start" "$service_name"; then
echo -e "${GREEN}Service '$service_name' started successfully${NC}"
else
echo -e "${YELLOW}Warning: Service '$service_name' was created but failed to start${NC}"
echo -e "${BLUE}You can start it manually with: $0 start $service_name${NC}"
fi
else
echo -e "${BLUE}Service created but not started (--no-start specified)${NC}"
echo -e "${BLUE}Start it manually with: $0 start $service_name${NC}"
fi
else
# Remove configuration files if service creation failed
rm -f "$CONFIG_DIR/$service_name.conf"
rm -f "$run_engine_config"
echo -e "${RED}Failed to create service '$service_name'${NC}"
return 1
fi
}
function update_service() {
local service_name="$1"
shift
# Check if service exists
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
# Extract service information
local provider=$(echo "$service_info" | jq -r '.provider')
local service_type=$(echo "$service_info" | jq -r '.type')
local config_file="$CONFIG_DIR/$service_name.conf"
# Load current configuration
if [ ! -f "$config_file" ]; then
echo -e "${RED}Error: Service configuration file not found: $config_file${NC}"
return 1
fi
source "$config_file"
# Load current run-engine configuration
if [ -f "$RUN_ENGINE_CONFIG_FILE" ]; then
source "$RUN_ENGINE_CONFIG_FILE"
else
echo -e "${YELLOW}Warning: Run-engine configuration file not found: $RUN_ENGINE_CONFIG_FILE${NC}"
fi
# Parse options to update
local config_updated=false
while [[ $# -gt 0 ]]; do
case "$1" in
--bin-path)
export BINPATH="$2"
config_updated=true
shift 2
;;
--server-config)
export SERVER_CONFIG="$2"
config_updated=true
shift 2
;;
--session-manager)
export SESSION_MANAGER="$2"
config_updated=true
shift 2
;;
--gdb-enabled)
export GDB_ENABLED="$2"
config_updated=true
shift 2
;;
--restart-policy)
export RESTART_POLICY="$2"
config_updated=true
shift 2
;;
--system)
SYSTEMD_TYPE="--system"
shift
;;
--user)
SYSTEMD_TYPE="--user"
shift
;;
--max-memory|--max-restarts)
PM2_OPTS="$PM2_OPTS $1 $2"
shift 2
;;
*)
echo -e "${RED}Error: Unknown option: $1${NC}"
return 1
;;
esac
done
# PM2 specific validation for session manager
if [ "$provider" = "pm2" ] && [ -n "$SESSION_MANAGER" ] && [ "$SESSION_MANAGER" != "none" ]; then
echo -e "${YELLOW}Warning: PM2 doesn't support session managers. Setting session-manager to 'none'${NC}"
echo -e "${BLUE}PM2 has built-in attach functionality via: $0 attach $service_name${NC}"
export SESSION_MANAGER="none"
config_updated=true
fi
# Validate restart policy if provided
if [ -n "$RESTART_POLICY" ] && [[ "$RESTART_POLICY" != "on-failure" && "$RESTART_POLICY" != "always" ]]; then
echo -e "${RED}Error: Invalid restart policy. Use 'on-failure' or 'always'${NC}"
return 1
fi
if [ "$config_updated" = "true" ]; then
# Update run-engine configuration file
cat > "$RUN_ENGINE_CONFIG_FILE" << EOF
# run-engine configuration for service: $service_name
# Updated: $(date)
# Enable/disable GDB execution
export GDB_ENABLED=${GDB_ENABLED:-0}
# Session manager (none|auto|tmux|screen)
export SESSION_MANAGER="${SESSION_MANAGER:-none}"
# Restart policy (on-failure|always)
export RESTART_POLICY="${RESTART_POLICY:-on-failure}"
# Service mode - indicates this is running under a service manager (systemd/pm2)
export SERVICE_MODE="true"
# Session name for tmux/screen
export SESSION_NAME="${service_name}"
# Binary directory path
export BINPATH="${BINPATH}"
# Server binary name
export SERVERBIN="${SERVERBIN}"
# Server configuration file path
export CONFIG="${SERVER_CONFIG}"
EOF
echo -e "${GREEN}Run-engine configuration updated: $RUN_ENGINE_CONFIG_FILE${NC}"
echo -e "${YELLOW}Note: Restart the service to apply changes${NC}"
else
echo -e "${YELLOW}No run-engine configuration changes made${NC}"
fi
# Update service configuration
cat > "$config_file" << EOF
# AzerothCore service configuration for $service_name
# Updated: $(date)
# Provider: $provider
# Service Type: $service_type
# run-engine configuration file
RUN_ENGINE_CONFIG_FILE="$RUN_ENGINE_CONFIG_FILE"
# Restart policy
RESTART_POLICY="${RESTART_POLICY:-on-failure}"
# Provider-specific options
SYSTEMD_TYPE="$SYSTEMD_TYPE"
PM2_OPTS="$PM2_OPTS"
EOF
}
function delete_service() {
local service_name="$1"
# Check if service exists
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
# Extract provider and config
local provider=$(echo "$service_info" | jq -r '.provider')
local config_file="$CONFIG_DIR/$service_name.conf"
# Load configuration to get run-engine config file
if [ -f "$config_file" ]; then
source "$config_file"
else
echo -e "${YELLOW}Warning: Service configuration file not found: $config_file${NC}"
fi
echo -e "${YELLOW}Deleting service '$service_name' (provider: $provider)...${NC}"
# Stop and remove the service
local removal_success=false
if [ "$provider" = "pm2" ]; then
if pm2_remove_service "$service_name"; then
removal_success=true
fi
elif [ "$provider" = "systemd" ]; then
if systemd_remove_service "$service_name"; then
removal_success=true
fi
fi
if [ "$removal_success" = "true" ]; then
# Remove run-engine configuration file
if [ -n "$RUN_ENGINE_CONFIG_FILE" ] && [ -f "$RUN_ENGINE_CONFIG_FILE" ]; then
rm -f "$RUN_ENGINE_CONFIG_FILE"
echo -e "${GREEN}Removed run-engine config: $RUN_ENGINE_CONFIG_FILE${NC}"
fi
# Remove configuration file
rm -f "$config_file"
echo -e "${GREEN}Service '$service_name' deleted successfully${NC}"
else
echo -e "${RED}Failed to remove service '$service_name' from $provider${NC}"
return 1
fi
}
function list_services() {
local provider_filter="$1"
# Sync registry first
sync_registry
echo -e "${BLUE}AzerothCore Services${NC}"
echo "====================="
if [ "$(jq 'length' "$REGISTRY_FILE")" = "0" ]; then
echo "No services registered"
return
fi
# Show systemd services
if [ -z "$provider_filter" ] || [ "$provider_filter" = "systemd" ]; then
local systemd_services=$(jq -r '.[] | select(.provider == "systemd") | .name' "$REGISTRY_FILE" 2>/dev/null)
if [ -n "$systemd_services" ] && command -v systemctl >/dev/null 2>&1; then
echo -e "\n${YELLOW}Systemd User Services:${NC}"
while read -r service_name; do
if [ -n "$service_name" ]; then
systemctl --user status "$service_name.service" --no-pager -l || true
echo ""
fi
done <<< "$systemd_services"
# Also check for system services
local system_services=""
while read -r service_name; do
if [ -n "$service_name" ] && [ -f "/etc/systemd/system/$service_name.service" ]; then
system_services+="$service_name "
fi
done <<< "$systemd_services"
if [ -n "$system_services" ]; then
echo -e "${YELLOW}Systemd System Services:${NC}"
for service_name in $system_services; do
systemctl status "$service_name.service" --no-pager -l || true
echo ""
done
fi
fi
fi
# Show PM2 services
if [ -z "$provider_filter" ] || [ "$provider_filter" = "pm2" ]; then
local pm2_services=$(jq -r '.[] | select(.provider == "pm2") | .name' "$REGISTRY_FILE" 2>/dev/null)
if [ -n "$pm2_services" ] && command -v pm2 >/dev/null 2>&1; then
echo -e "\n${YELLOW}PM2 Services:${NC}"
pm2 list
fi
fi
}
function service_action() {
local action="$1"
local service_name="$2"
# Check if service exists
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
# Extract provider
local provider=$(echo "$service_info" | jq -r '.provider')
# Execute action
if [ "$provider" = "pm2" ]; then
pm2_service_action "$action" "$service_name"
elif [ "$provider" = "systemd" ]; then
systemd_service_action "$action" "$service_name"
fi
}
function service_logs() {
local service_name="$1"
local follow="${2:-false}"
# Check if service exists
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
# Extract provider
local provider=$(echo "$service_info" | jq -r '.provider')
# Show logs
if [ "$provider" = "pm2" ]; then
pm2_service_logs "$service_name" "$follow"
elif [ "$provider" = "systemd" ]; then
systemd_service_logs "$service_name" "$follow"
fi
}
function edit_config() {
local service_name="$1"
# Check if service exists
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
# Get configuration file path
local config_file="$CONFIG_DIR/$service_name.conf"
# Load configuration to get run-engine config file
source "$config_file"
# Open run-engine configuration file in editor
echo -e "${YELLOW}Editing run-engine configuration for: $service_name${NC}"
echo -e "${BLUE}File: $RUN_ENGINE_CONFIG_FILE${NC}"
${EDITOR:-nano} "$RUN_ENGINE_CONFIG_FILE"
echo -e "${GREEN}Configuration updated. Run '$0 restart $service_name' to apply changes.${NC}"
}
function attach_to_service() {
local service_name="$1"
# Check if service exists
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
# Extract provider
local provider=$(echo "$service_info" | jq -r '.provider')
local config_file="$CONFIG_DIR/$service_name.conf"
# Load configuration to get run-engine config file
if [ ! -f "$config_file" ]; then
echo -e "${RED}Error: Service configuration file not found: $config_file${NC}"
return 1
fi
source "$config_file"
# Load run-engine configuration
if [ ! -f "$RUN_ENGINE_CONFIG_FILE" ]; then
echo -e "${RED}Error: Run-engine configuration file not found: $RUN_ENGINE_CONFIG_FILE${NC}"
return 1
fi
if [ ! -f "$RUN_ENGINE_CONFIG_FILE" ]; then
echo -e "${RED}Error: Run-engine configuration file not found: $RUN_ENGINE_CONFIG_FILE${NC}"
return 1
fi
source "$RUN_ENGINE_CONFIG_FILE"
# Auto-detect session manager and attach accordingly
if [ "$provider" = "pm2" ]; then
# PM2 has built-in attach functionality
attach_pm2_process "$service_name"
else
# For systemd, check session manager
case "$SESSION_MANAGER" in
"tmux")
attach_tmux_session "$service_name" "$provider"
;;
"screen")
attach_screen_session "$service_name" "$provider"
;;
"none"|"auto"|*)
# No session manager - show helpful message for systemd
attach_interactive_shell "$service_name" "$provider"
;;
esac
fi
}
#########################################
# Runtime helpers: status / send / show #
#########################################
function service_is_running() {
local service_name="$1"
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}" >&2
return 1
fi
local provider=$(echo "$service_info" | jq -r '.provider')
if [ "$provider" = "pm2" ]; then
# pm2 jlist -> JSON array with .name and .pm2_env.status
if pm2 jlist | jq -e ".[] | select(.name==\"$service_name\" and .pm2_env.status==\"online\")" >/dev/null; then
return 0
else
return 1
fi
elif [ "$provider" = "systemd" ]; then
# Check user service first, then system
if systemctl --user is-active --quiet "$service_name.service" 2>/dev/null; then
return 0
elif systemctl is-active --quiet "$service_name.service" 2>/dev/null; then
return 0
else
return 1
fi
else
return 1
fi
}
function service_send_command() {
local service_name="$1"; shift || true
local cmd_str="$*"
if [ -z "$service_name" ] || [ -z "$cmd_str" ]; then
echo -e "${RED}Error: send requires <service-name> and <command>${NC}" >&2
return 1
fi
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}" >&2
return 1
fi
local provider=$(echo "$service_info" | jq -r '.provider')
local config_file="$CONFIG_DIR/$service_name.conf"
if [ ! -f "$config_file" ]; then
echo -e "${RED}Error: Service configuration file not found: $config_file${NC}" >&2
return 1
fi
# Load run-engine config path
# shellcheck source=/dev/null
source "$config_file"
if [ -z "${RUN_ENGINE_CONFIG_FILE:-}" ] || [ ! -f "$RUN_ENGINE_CONFIG_FILE" ]; then
echo -e "${RED}Error: Run-engine configuration file not found for $service_name${NC}" >&2
return 1
fi
# shellcheck source=/dev/null
if ! source "$RUN_ENGINE_CONFIG_FILE"; then
echo -e "${RED}Error: Failed to source run-engine configuration file: $RUN_ENGINE_CONFIG_FILE${NC}" >&2
return 1
fi
local session_manager="${SESSION_MANAGER:-auto}"
local session_name="${SESSION_NAME:-$service_name}"
if [ "$provider" = "pm2" ]; then
# Use pm2 send (requires pm2 >= 5)
local pm2_id_json
pm2_id_json=$(pm2 id "$service_name" 2>/dev/null || true)
local numeric_id
numeric_id=$(echo "$pm2_id_json" | jq -r '.[0] // empty')
if [ -z "$numeric_id" ]; then
echo -e "${RED}Error: PM2 process '$service_name' not found${NC}" >&2
return 1
fi
echo -e "${YELLOW}Sending to PM2 process $service_name (ID: $numeric_id): $cmd_str${NC}"
pm2 send "$numeric_id" "$cmd_str" ENTER
return $?
fi
# systemd provider: need a session manager to interact with the console
case "$session_manager" in
tmux|auto)
if command -v tmux >/dev/null 2>&1 && tmux has-session -t "$session_name" 2>/dev/null; then
echo -e "${YELLOW}Sending to tmux session $session_name: $cmd_str${NC}"
tmux send-keys -t "$session_name" "$cmd_str" C-m
return $?
elif [ "$session_manager" = "tmux" ]; then
echo -e "${RED}Error: tmux session '$session_name' not available${NC}" >&2
return 1
fi
;;&
screen|auto)
if command -v screen >/dev/null 2>&1; then
echo -e "${YELLOW}Sending to screen session $session_name: $cmd_str${NC}"
screen -S "$session_name" -X stuff "$cmd_str\n"
return $?
elif [ "$session_manager" = "screen" ]; then
echo -e "${RED}Error: screen not installed${NC}" >&2
return 1
fi
;;
none|*)
echo -e "${RED}Error: No session manager configured (SESSION_MANAGER=$session_manager). Cannot send command.${NC}" >&2
return 1
;;
esac
echo -e "${RED}Error: Unable to find usable session (tmux/screen) to send command.${NC}" >&2
return 1
}
function show_config() {
local service_name="$1"
if [ -z "$service_name" ]; then
echo -e "${RED}Error: Service name required for show-config${NC}"
return 1
fi
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}"
return 1
fi
local provider=$(echo "$service_info" | jq -r '.provider')
local cfg_file="$CONFIG_DIR/$service_name.conf"
echo -e "${BLUE}Service: $service_name${NC}"
echo "Provider: $provider"
echo "Config file: $cfg_file"
if [ -f "$cfg_file" ]; then
# shellcheck source=/dev/null
source "$cfg_file"
echo "RUN_ENGINE_CONFIG_FILE: ${RUN_ENGINE_CONFIG_FILE:-<none>}"
if [ -n "${RUN_ENGINE_CONFIG_FILE:-}" ] && [ -f "$RUN_ENGINE_CONFIG_FILE" ]; then
# shellcheck source=/dev/null
source "$RUN_ENGINE_CONFIG_FILE"
echo "Session manager: ${SESSION_MANAGER:-}"
echo "Session name: ${SESSION_NAME:-}"
echo "BINPATH: ${BINPATH:-}"
echo "SERVERBIN: ${SERVERBIN:-}"
echo "CONFIG: ${CONFIG:-}"
echo "RESTART_POLICY: ${RESTART_POLICY:-}"
fi
else
echo "Config file not found"
fi
}
# Return uptime in seconds for a service (echo integer), non-zero exit if not running
function service_uptime_seconds() {
local service_name="$1"
local service_info=$(get_service_info "$service_name")
if [ -z "$service_info" ]; then
echo -e "${RED}Error: Service '$service_name' not found${NC}" >&2
return 1
fi
local provider=$(echo "$service_info" | jq -r '.provider')
if [ "$provider" = "pm2" ]; then
check_pm2 || return 1
local info_json
info_json=$(pm2 jlist 2>/dev/null)
local pm_uptime_ms
pm_uptime_ms=$(echo "$info_json" | jq -r ".[] | select(.name==\"$service_name\").pm2_env.pm_uptime // empty")
local status
status=$(echo "$info_json" | jq -r ".[] | select(.name==\"$service_name\").pm2_env.status // empty")
if [ -z "$pm_uptime_ms" ] || [ "$status" != "online" ]; then
return 1
fi
# Current time in ms (fallback to seconds*1000 if %N unsupported)
local now_ms
if date +%s%N >/dev/null 2>&1; then
now_ms=$(( $(date +%s%N) / 1000000 ))
else
now_ms=$(( $(date +%s) * 1000 ))
fi
local diff_ms=$(( now_ms - pm_uptime_ms ))
[ "$diff_ms" -lt 0 ] && diff_ms=0
echo $(( diff_ms / 1000 ))
return 0
elif [ "$provider" = "systemd" ]; then
check_systemd || return 1
local systemd_type="--user"
[ -f "/etc/systemd/system/$service_name.service" ] && systemd_type="--system"
# Get ActiveEnterTimestampMonotonic in usec and ActiveState
local prop
if [ "$systemd_type" = "--system" ]; then
prop=$(systemctl show "$service_name.service" --property=ActiveEnterTimestampMonotonic,ActiveState 2>/dev/null)
else
prop=$(systemctl --user show "$service_name.service" --property=ActiveEnterTimestampMonotonic,ActiveState 2>/dev/null)
fi
local state
state=$(echo "$prop" | awk -F= '/^ActiveState=/{print $2}')
[ "$state" != "active" ] && return 1
local enter_us
enter_us=$(echo "$prop" | awk -F= '/^ActiveEnterTimestampMonotonic=/{print $2}')
# Current monotonic time in seconds since boot
local now_s
now_s=$(cut -d' ' -f1 /proc/uptime)
# Compute uptime = now_monotonic - enter_monotonic
# enter_us may be empty on some systems; fallback to 0
enter_us=${enter_us:-0}
# Convert now_s to microseconds using awk for precision, then compute diff
local diff_s
diff_s=$(awk -v now="$now_s" -v enter="$enter_us" 'BEGIN{printf "%d", (now*1000000 - enter)/1000000}')
[ "$diff_s" -lt 0 ] && diff_s=0
echo "$diff_s"
return 0
fi
return 1
}
# Wait until service has at least <min_seconds> uptime. Optional timeout seconds (default 120)
function wait_service_uptime() {
local service_name="$1"
local min_seconds="$2"
local timeout="${3:-120}"
local waited=0
while [ "$waited" -le "$timeout" ]; do
if secs=$(service_uptime_seconds "$service_name" 2>/dev/null); then
if [ "$secs" -ge "$min_seconds" ]; then
echo -e "${GREEN}Service '$service_name' has reached ${secs}s uptime (required: ${min_seconds}s)${NC}"
return 0
fi
fi
sleep 1
waited=$((waited + 1))
done
echo -e "${RED}Timeout: $service_name did not reach ${min_seconds}s uptime within ${timeout}s${NC}" >&2
return 1
}
function attach_pm2_process() {
local service_name="$1"
# First check if the service exists and get its ID
local pm2_id=$(pm2 id "$service_name" 2>/dev/null)
if [ -z "$pm2_id" ] || [ "$pm2_id" = "[]" ]; then
echo -e "${RED}Error: PM2 process '$service_name' not found${NC}"
return 1
fi
# Extract the numeric ID from the JSON response
local numeric_id=$(echo "$pm2_id" | jq -r '.[0] // empty')
if [ -z "$numeric_id" ]; then
echo -e "${RED}Error: Could not determine PM2 process ID for '$service_name'${NC}"
return 1
fi
echo -e "${YELLOW}Attaching to PM2 process: $service_name (ID: $numeric_id)${NC}"
pm2 attach "$numeric_id"
}
function attach_interactive_shell() {
local service_name="$1"
local provider="$2"
# For PM2, use PM2's attach functionality
if [ "$provider" = "pm2" ]; then
attach_pm2_process "$service_name"
return $?
fi
# For systemd without session manager, show helpful message
local service_info=$(get_service_info "$service_name")
local config_file="$CONFIG_DIR/$service_name.conf"
# Check if config file exists before sourcing
if [ ! -f "$config_file" ]; then
echo -e "${RED}Error: Service configuration file not found: $config_file${NC}"
return 1
fi
source "$config_file"
# Check if RUN_ENGINE_CONFIG_FILE exists before sourcing
if [ ! -f "$RUN_ENGINE_CONFIG_FILE" ]; then
echo -e "${RED}Error: Run-engine configuration file not found: $RUN_ENGINE_CONFIG_FILE${NC}"
return 1
fi
source "$RUN_ENGINE_CONFIG_FILE"
echo -e "${RED}Error: Cannot attach to systemd service '$service_name'${NC}"
echo -e "${YELLOW}Interactive attachment for systemd requires a session manager (tmux or screen).${NC}"
echo ""
echo -e "${BLUE}Current session manager: $SESSION_MANAGER${NC}"
echo ""
echo -e "${YELLOW}To enable interactive attachment:${NC}"
echo " 1. Update the service to use tmux or screen:"
echo " $0 update $service_name --session-manager tmux"
echo " 2. Restart the service:"
echo " $0 restart $service_name"
echo " 3. Then try attach again:"
echo " $0 attach $service_name"
echo ""
echo -e "${BLUE}Alternative: Use 'logs <service_name> --follow' to monitor the service:${NC}"
echo " $0 logs $service_name --follow"
return 1
}
function attach_tmux_session() {
local service_name="$1"
local provider="$2"
# Check if tmux is available
if ! command -v tmux >/dev/null 2>&1; then
echo -e "${RED}Error: tmux is not installed${NC}"
echo -e "${BLUE}Starting interactive session without tmux...${NC}"
attach_interactive_shell "$service_name" "$provider"
return
fi
# Try to attach to tmux session
local tmux_session="$service_name"
echo -e "${YELLOW}Attempting to attach to tmux session: $tmux_session${NC}"
if tmux has-session -t "$tmux_session" 2>/dev/null; then
echo -e "${GREEN}Attaching to tmux session...${NC}"
tmux attach-session -t "$tmux_session"
else
echo -e "${RED}Error: tmux session '$tmux_session' not found${NC}"
echo -e "${YELLOW}Available tmux sessions:${NC}"
tmux list-sessions 2>/dev/null || echo "No active tmux sessions (is it stopped or restarting?)"
fi
}
function attach_screen_session() {
local service_name="$1"
local provider="$2"
# Check if screen is available
if ! command -v screen >/dev/null 2>&1; then
echo -e "${RED}Error: screen is not installed${NC}"
echo -e "${BLUE}Starting interactive session without screen...${NC}"
attach_interactive_shell "$service_name" "$provider"
return
fi
# Try to attach to screen session
local screen_session="$service_name"
echo -e "${YELLOW}Attempting to attach to screen session: $screen_session${NC}"
if screen -list | grep -q "$screen_session"; then
echo -e "${GREEN}Attaching to screen session...${NC}"
screen -r "$screen_session"
else
echo -e "${RED}Error: screen session '$screen_session' not found${NC}"
echo -e "${YELLOW}Available screen sessions:${NC}"
screen -list 2>/dev/null || echo "No active screen sessions (is it stopped or restarting?)"
fi
}
# Main execution
check_dependencies
# Main command processing
case "${1:-help}" in
create)
if [ $# -lt 3 ]; then
echo -e "${RED}Error: Not enough arguments for create command${NC}"
print_help
exit 1
fi
create_service "$2" "$3" "${@:4}"
;;
update)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for update command${NC}"
print_help
exit 1
fi
update_service "$2" "${@:3}"
;;
delete)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for delete command${NC}"
print_help
exit 1
fi
delete_service "$2"
;;
list)
list_services "${2:-}"
;;
restore)
restore_missing_services
;;
start|stop|restart|status)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for $1 command${NC}"
print_help
exit 1
fi
service_action "$1" "$2"
;;
logs)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for logs command${NC}"
print_help
exit 1
fi
if [ "$3" = "--follow" ]; then
service_logs "$2" "true"
else
service_logs "$2" "false"
fi
;;
edit-config)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for edit-config command${NC}"
print_help
exit 1
fi
edit_config "$2"
;;
attach)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for attach command${NC}"
print_help
exit 1
fi
attach_to_service "$2"
;;
uptime-seconds)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for uptime-seconds command${NC}"
print_help
exit 1
fi
service_uptime_seconds "$2"
;;
wait-uptime)
if [ $# -lt 3 ]; then
echo -e "${RED}Error: Usage: $0 wait-uptime <service-name> <min-seconds> [timeout]${NC}"
print_help
exit 1
fi
wait_service_uptime "$2" "$3" "${4:-120}"
;;
is-running)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for is-running command${NC}"
print_help
exit 1
fi
if service_is_running "$2"; then
echo -e "${GREEN}Service '$2' is running${NC}"
exit 0
else
echo -e "${YELLOW}Service '$2' is not running${NC}"
exit 1
fi
;;
send)
if [ $# -lt 3 ]; then
echo -e "${RED}Error: Not enough arguments for send command${NC}"
print_help
exit 1
fi
service_send_command "$2" "${@:3}"
;;
show-config)
if [ $# -lt 2 ]; then
echo -e "${RED}Error: Service name required for show-config command${NC}"
print_help
exit 1
fi
show_config "$2"
;;
help|--help|-h)
print_help
;;
*)
echo -e "${RED}Error: Unknown command: $1${NC}"
print_help
exit 1
;;
esac
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