Add config to fully disable tw server logging

Closed #49

keeps the crash logs and all other logs
but not the main application logs

lib/include/crashsave_loop.sh

@@ -41,13 +41,19 @@ logfile="$LOGS_PATH_FULL_TW/${CFG_SRV_NAME}_$(date +%F_%H-%M-%S)${CFG_LOG_EXT}"
 start_ts_slug=$(date '+%Y-%m-%d_%H-%M-%S')
 start_ts=$(date '+%Y-%m-%d %H:%M:%S')
 
+log_cmd=''
+if is_cfg CFG_ENABLE_LOGGING
+then
+	log_cmd="logfile $logfile"
+fi
+
 export COMMIT_HASH
 if ! COMMIT_HASH="$(get_commit)"
 then
 	err "failed to get commit hash"
 	exit 1
 fi
-run_cmd="$CFG_ENV_RUNTIME ./$CFG_BIN 'exec autoexec.cfg;logfile $logfile;#sid:$SERVER_UUID:loop_script'"
+run_cmd="$CFG_ENV_RUNTIME ./$CFG_BIN 'exec autoexec.cfg;$log_cmd;#sid:$SERVER_UUID:loop_script'"
 log "running:"
 tput bold
 echo "$run_cmd"

lib/include/gdb_loop.sh

@@ -95,6 +95,12 @@ fi
 gdb_tmp_log_header="$p/full_gdb.header.txt.tmp"
 gdb_tmp_log_gdb="$p/full_gdb.gdb.txt.tmp"
 
+log_cmd=''
+if is_cfg CFG_ENABLE_LOGGING
+then
+	log_cmd="logfile $logfile"
+fi
+
 read -rd '' GDB_CMD << EOF
 $CFG_ENV_RUNTIME gdb -ex='set confirm off' \
     -ex='set pagination off' \
@@ -114,7 +120,7 @@ $CFG_ENV_RUNTIME gdb -ex='set confirm off' \
     $custom_gdb \
     $gdb_corefile_cmd \
     -ex=quit --args \
-    ./$CFG_BIN "exec autoexec.cfg;logfile $logfile;#sid:$SERVER_UUID:loop_script"
+    ./$CFG_BIN "exec autoexec.cfg;$log_cmd;#sid:$SERVER_UUID:loop_script"
 EOF
 git_patches="$(get_applied_git_patches)"
 start_ts=$(date '+%Y-%m-%d %H:%M:%S')

lib/include/vars.sh

@@ -31,6 +31,7 @@ def_var 'CFG_ENV_BUILD' 'env_build' 'source $SCRIPT_ROOT/lib/env_san.sh;' '(.*=.
 # shellcheck disable=SC2016
 def_var 'CFG_ENV_RUNTIME' 'env_runtime' 'source $SCRIPT_ROOT/lib/env_san.sh;' '(.*=.*|.*;$|)'
 def_var 'CFG_LOG_EXT' 'logfile_extension' ".log" ''
+def_var 'CFG_ENABLE_LOGGING' 'enable_logging' "1" '(0|no|off|false|1|yes|on|true)'
 def_var 'CFG_AUTO_CLEANUP_OLD_LOCAL_DATA' 'auto_cleanup_old_local_data' "0" '(0|no|off|false|1|yes|on|true)'
 def_var 'CFG_GITPATH_ANTIBOT' 'gitpath_antibot' "" ''
 def_var 'CFG_LOG_DDOS' 'log_ddos' "0" '(0|no|off|false|1|yes|on|true)'

show_log.sh

@@ -53,6 +53,13 @@ do
 	fi
 done
 
+if ! is_cfg CFG_ENABLE_LOGGING
+then
+	err "Error: logging is not enabled"
+	err "       set enable_logging=1 in your server.cnf"
+	exit 1
+fi
+
 if [ "$arg_print" == "1" ]
 then
 	if [ "$arg_logpath" == "" ]

start.sh

@@ -118,7 +118,14 @@ else # teeworlds
 		err "failed to get commit hash"
 		exit 1
 	fi
-	run_cmd="$CFG_ENV_RUNTIME nohup ./$CFG_BIN \"exec autoexec.cfg;#sid:$SERVER_UUID\" > $logfile 2>&1 &"
+
+	logredirect='&> /dev/null'
+	if is_cfg CFG_ENABLE_LOGGING
+	then
+		logredirect="&> $logfile"
+	fi
+
+	run_cmd="$CFG_ENV_RUNTIME nohup ./$CFG_BIN \"exec autoexec.cfg;#sid:$SERVER_UUID\" $logredirect &"
 	if [ "$arg_is_interactive" == "1" ]
 	then
 		run_cmd="$CFG_ENV_RUNTIME ./$CFG_BIN \"exec autoexec.cfg;#sid:$SERVER_UUID\""
@@ -129,7 +136,7 @@ else # teeworlds
 	tput sgr0
 	bash -c "set -euo pipefail;$run_cmd"
 
-	if [ "$arg_logs" == "1" ] && [ "$arg_is_interactive" == "0" ]
+	if [ "$arg_logs" == "1" ] && [ "$arg_is_interactive" == "0" ] && is_cfg CFG_ENABLE_LOGGING
 	then
 		show_log_file "$logfile"
 	fi