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command_stop.sh
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command_stop.sh
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#!/bin/bash
# LinuxGSM command_stop.sh function
# Author: Daniel Gibbs
# Contributors: UltimateByte
# Website: https://linuxgsm.com
# Description: Stops the server.
local commandname="STOP"
local commandaction="Stopping"
local function_selfname=$(basename "$(readlink -f "${BASH_SOURCE[0]}")")
# Attempts graceful shutdown by sending 'CTRL+c'.
fn_stop_graceful_ctrlc(){
fn_print_dots "Graceful: CTRL+c"
fn_script_log_info "Graceful: CTRL+c"
# Sends quit.
tmux send-keys -t "${selfname}" C-c > /dev/null 2>&1
# Waits up to 30 seconds giving the server time to shutdown gracefuly.
for seconds in {1..30}; do
check_status.sh
if [ "${status}" == "0" ]; then
fn_print_ok "Graceful: CTRL+c: ${seconds}: "
fn_print_ok_eol_nl
fn_script_log_pass "Graceful: CTRL+c: OK: ${seconds} seconds"
break
fi
sleep 1
fn_print_dots "Graceful: CTRL+c: ${seconds}"
done
check_status.sh
if [ "${status}" != "0" ]; then
fn_print_error "Graceful: CTRL+c: "
fn_print_fail_eol_nl
fn_script_log_error "Graceful: CTRL+c: FAIL"
fi
fn_sleep_time
}
# Attempts graceful shutdown by sending a specified command.
# Usage: fn_stop_graceful_cmd "console_command" "timeout_in_seconds"
# e.g.: fn_stop_graceful_cmd "quit" "30"
fn_stop_graceful_cmd(){
fn_print_dots "Graceful: sending \"${1}\""
fn_script_log_info "Graceful: sending \"${1}\""
# Sends specific stop command.
tmux send -t "${selfname}" "${1}" ENTER > /dev/null 2>&1
# Waits up to ${seconds} seconds giving the server time to shutdown gracefully.
for ((seconds=1; seconds<=${2}; seconds++)); do
check_status.sh
if [ "${status}" == "0" ]; then
fn_print_ok "Graceful: sending \"${1}\": ${seconds}: "
fn_print_ok_eol_nl
fn_script_log_pass "Graceful: sending \"${1}\": OK: ${seconds} seconds"
break
fi
sleep 1
fn_print_dots "Graceful: sending \"${1}\": ${seconds}"
done
check_status.sh
if [ "${status}" != "0" ]; then
fn_print_error "Graceful: sending \"${1}\": "
fn_print_fail_eol_nl
fn_script_log_error "Graceful: sending \"${1}\": FAIL"
fi
fn_sleep_time
}
# Attempts graceful shutdown of goldsource using rcon 'quit' command.
# There is only a 3 second delay before a forced a tmux shutdown
# as Goldsource servers 'quit' command does a restart rather than shutdown.
fn_stop_graceful_goldsource(){
fn_print_dots "Graceful: sending \"quit\""
fn_script_log_info "Graceful: sending \"quit\""
# sends quit
tmux send -t "${selfname}" quit ENTER > /dev/null 2>&1
# Waits 3 seconds as goldsource servers restart with the quit command.
for seconds in {1..3}; do
sleep 1
fn_print_dots "Graceful: sending \"quit\": ${seconds}"
done
fn_print_ok "Graceful: sending \"quit\": ${seconds}: "
fn_print_ok_eol_nl
fn_script_log_pass "Graceful: sending \"quit\": OK: ${seconds} seconds"
}
# telnet command for sdtd graceful shutdown.
fn_stop_graceful_sdtd_telnet(){
if [ -z "${telnetpass}" ]||[ "${telnetpass}" == "NOT SET" ]; then
sdtd_telnet_shutdown=$( expect -c '
proc abort {} {
puts "Timeout or EOF\n"
exit 1
}
spawn telnet '"${telnetip}"' '"${telnetport}"'
expect {
"session." { send "shutdown\r" }
default abort
}
expect { eof }
puts "Completed.\n"
')
else
sdtd_telnet_shutdown=$( expect -c '
proc abort {} {
puts "Timeout or EOF\n"
exit 1
}
spawn telnet '"${telnetip}"' '"${telnetport}"'
expect {
"password:" { send "'"${telnetpass}"'\r" }
default abort
}
expect {
"session." { send "shutdown\r" }
default abort
}
expect { eof }
puts "Completed.\n"
')
fi
}
# Attempts graceful shutdown of 7 Days To Die using telnet.
fn_stop_graceful_sdtd(){
fn_print_dots "Graceful: telnet"
fn_script_log_info "Graceful: telnet"
if [ "${telnetenabled}" == "false" ]; then
fn_print_info_nl "Graceful: telnet: DISABLED: Enable in ${servercfg}"
elif [ "$(command -v expect 2>/dev/null)" ]; then
# Tries to shutdown with both localhost and server IP.
for telnetip in 127.0.0.1 ${ip}; do
fn_print_dots "Graceful: telnet: ${telnetip}:${telnetport}"
fn_script_log_info "Graceful: telnet: ${telnetip}:${telnetport}"
fn_stop_graceful_sdtd_telnet
completed=$(echo -en "\n ${sdtd_telnet_shutdown}" | grep "Completed.")
refused=$(echo -en "\n ${sdtd_telnet_shutdown}" | grep "Timeout or EOF")
if [ -n "${refused}" ]; then
fn_print_error "Graceful: telnet: ${telnetip}:${telnetport} : "
fn_print_fail_eol_nl
fn_script_log_error "Graceful: telnet: ${telnetip}:${telnetport} : FAIL"
elif [ -n "${completed}" ]; then
break
fi
done
# If telnet shutdown was successful will use telnet again to check
# the connection has closed, confirming that the tmux session can now be killed.
if [ -n "${completed}" ]; then
for seconds in {1..30}; do
fn_stop_graceful_sdtd_telnet
refused=$(echo -en "\n ${sdtd_telnet_shutdown}" | grep "Timeout or EOF")
if [ -n "${refused}" ]; then
fn_print_ok "Graceful: telnet: ${telnetip}:${telnetport} : "
fn_print_ok_eol_nl
fn_script_log_pass "Graceful: telnet: ${telnetip}:${telnetport} : ${seconds} seconds"
break
fi
sleep 1
fn_print_dots "Graceful: telnet: ${seconds}"
done
# If telnet shutdown fails tmux shutdown will be used, this risks loss of world save.
else
if [ -n "${refused}" ]; then
fn_print_error "Graceful: telnet: "
fn_print_fail_eol_nl
fn_script_log_error "Graceful: telnet: ${telnetip}:${telnetport} : FAIL"
else
fn_print_error_nl "Graceful: telnet: Unknown error"
fn_script_log_error "Graceful: telnet: Unknown error"
fi
echo -en "\n" | tee -a "${lgsmlog}"
echo -en "Telnet output:" | tee -a "${lgsmlog}"
echo -en "\n ${sdtd_telnet_shutdown}" | tee -a "${lgsmlog}"
echo -en "\n\n" | tee -a "${lgsmlog}"
fi
else
fn_print_warn "Graceful: telnet: expect not installed: "
fn_print_fail_eol_nl
fn_script_log_warn "Graceful: telnet: expect not installed: FAIL"
fi
fn_sleep_time
}
fn_stop_graceful_select(){
if [ "${stopmode}" == "1" ]; then
fn_stop_tmux
elif [ "${stopmode}" == "2" ]; then
fn_stop_graceful_ctrlc
elif [ "${stopmode}" == "3" ]; then
fn_stop_graceful_cmd "quit" 30
elif [ "${stopmode}" == "4" ]; then
fn_stop_graceful_cmd "quit" 120
elif [ "${stopmode}" == "5" ]; then
fn_stop_graceful_cmd "stop" 30
elif [ "${stopmode}" == "6" ]; then
fn_stop_graceful_cmd "q" 30
elif [ "${stopmode}" == "7" ]; then
fn_stop_graceful_cmd "exit" 30
elif [ "${stopmode}" == "8" ]; then
fn_stop_graceful_sdtd
elif [ "${stopmode}" == "9" ]; then
fn_stop_graceful_goldsource
fi
}
fn_stop_tmux(){
fn_print_dots "${servername}"
fn_script_log_info "tmux kill-session: ${servername}"
# Kill tmux session.
tmux kill-session -t "${selfname}" > /dev/null 2>&1
fn_sleep_time
check_status.sh
if [ "${status}" == "0" ]; then
fn_print_ok_nl "${servername}"
fn_script_log_pass "Stopped ${servername}"
else
fn_print_fail_nl "Unable to stop ${servername}"
fn_script_log_fatal "Unable to stop ${servername}"
fi
}
# Checks if the server is already stopped.
fn_stop_pre_check(){
if [ "${status}" == "0" ]; then
fn_print_info_nl "${servername} is already stopped"
fn_script_log_error "${servername} is already stopped"
else
# Select graceful shutdown.
fn_stop_graceful_select
fi
# Check status again, a kill tmux session if graceful shutdown failed.
check_status.sh
if [ "${status}" != "0" ]; then
fn_stop_tmux
fi
}
check.sh
fn_print_dots "${servername}"
info_config.sh
fn_stop_pre_check
# Remove lockfile.
if [ -f "${rootdir}/${lockselfname}" ]; then
rm -f "${rootdir}/${lockselfname}"
fi
if [ -z "${exitbypass}" ]; then
core_exit.sh
fi