no_idle.sh
Bash script to black idle state for Oracle Cloud Free-tier VPS
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no_idle.sh
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no_idle.sh
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#!/bin/bash
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# Author: Baptiste Leforestier
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# Date: 2024-06-28
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. /etc/profile
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function log(){
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echo "[$(date +'%Y-%m-%d %H:%M:%S')] - $1"
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}
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function get_latest_info(){
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local latest_info_file='/tmp/NeverIdle-latest-info.json'
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wget -q -O ${latest_info_file} https://api.github.com/repos/layou233/NeverIdle/releases/latest
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[[ $? -ne 0 ]] && log "Failed to get latest info" && exit 1
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latest_version=$(grep tag_name ${latest_info_file} | cut -d '"' -f 4| sed 's/^v//g')
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latest_comments=$(grep body ${latest_info_file} | cut -d '"' -f 4)
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rm -f ${latest_info_file}
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}
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function auto_set_mem_test_size(){
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mem_test='-m 2'
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if [[ $mem_total -lt 4 ]]
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then
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log "AMD doesn't need to test memory !"
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mem_test=''
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elif [[ $mem_total -lt 13 ]]
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then
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log "Memory test size: [1G]"
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mem_test='-m 1'
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else
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log "Memory test size: [2G]"
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fi
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}
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function download_and_run() {
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local base_download_url="https://github.com/layou233/NeverIdle/releases/download"
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local filename="NeverIdle-${platform}"
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local download_dir="/tmp"
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local download_url="${base_download_url}/${latest_version}/${filename}"
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mkdir -p $download_dir
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rm -f ${download_dir}/NeverIdle
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log "Downloading ${filename} to ${download_dir}/NeverIdle ..."
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wget -q -O ${download_dir}/NeverIdle ${download_url}
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[[ $? -ne 0 ]] && log "Download ${filename} failed" && exit 1
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chmod +x ${download_dir}/NeverIdle
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if [[ ${memory_test_size} -gt $mem_total ]] || [[ "x${memory_test_size}" == "x" ]]
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then
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log "invalid memory size: [${memory_test_size}]"
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auto_set_mem_test_size
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elif [[ "x${memory_test_size}" == "x0" ]]
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then
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mem_test=''
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log "Memory test disabled."
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else
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mem_test="-m ${memory_test_size}"
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log "Memory test size: [${memory_test_size}]"
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fi
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local cpu_test="-c 2h"
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if [[ "x${cpu_test_interval}" == "x" ]]
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then
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local cpu_test="-c 2h"
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log "cpu test interval is empty, set to default value: [2h]"
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elif [[ "x${cpu_test_interval}" == "x0" ]]
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then
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local cpu_test="-c 2h"
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log "cpu test can't disable, set to default value: [2h]."
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else
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local cpu_test="-c ${cpu_test_interval}h"
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log "cpu test interval: [${cpu_test_interval}h]"
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fi
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local network_test="-n 4h"
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if [[ "x${network_test_interval}" == "x" ]]
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then
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local network_test="-n 4h"
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log "network test interval is empty, set to default value: [4h]"
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elif [[ "x${network_test_interval}" == "x0" ]]
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then
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local network_test=""
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log "network test diabled."
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else
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local network_test="-n ${network_test_interval}h"
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log "network test interval: ${network_test_interval}"
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fi
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log "cmd: ${download_dir}/NeverIdle ${cpu_test} ${mem_test} ${network_test}"
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nohup ${download_dir}/NeverIdle ${cpu_test} ${mem_test} ${network_test} > ${download_dir}/NeverIdle.log 2>&1 &
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local pid=$(pgrep NeverIdle)
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log "NeverIdle [${pid}] is running"
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log "log file: ${download_dir}/NeverIdle.log"
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log "========================================"
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log "run 'pkill NeverIdle' to stop it."
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log "run 'rm -f ${download_dir}/NeverIdle ${download_dir}/NeverIdle.log' to clean it."
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}
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function print_help_msg(){
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echo "usage:"
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echo -e "\t-c \t cpu test interval, defaut: 2h, can't disable."
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echo -e "\t-m \t memory test size, value/total memory range: 0/<4 1G/<13 2G/>13, 0 to disable test"
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echo -e "\t-n \t network test interval, 0 to disable test"
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echo -e "\t-h \t show help info."
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exit 0
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}
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function read_args(){
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while getopts ":c:m:n:h" opt; do
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case "$opt" in
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c)
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cpu_test_interval="$OPTARG";;
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n)
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network_test_interval="$OPTARG";;
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m)
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memory_test_size="$OPTARG";;
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h)
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print_help_msg;;
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esac
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done
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if [[ "${cpu_test_interval}" -lt 0 ]]
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then
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log "invalid cpu test interval [${cpu_test_interval}], set to 2"
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cpu_test_interval="2"
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fi
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if [[ "${network_test_interval}" -lt 0 ]]
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then
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log "invalid network test interval [${network_test_interval}], set to 4"
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network_test_interval="4"
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fi
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if [[ "${memory_test_size}" -lt 0 ]]
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then
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log "invalid memory size [${memory_test_size}]"
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memory_test_size=""
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fi
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}
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function init(){
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mem_total=$(free -g | awk '/Mem/ {print $2}')
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case $(uname -m) in
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"x86_64")
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platform="linux-amd64"
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;;
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"aarch64")
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platform="linux-arm64"
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;;
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*)
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log "Unsupported platform !"
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exit 1
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;;
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esac
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}
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function keep_stop(){
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pkill -9 NeverIdle
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}
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function main(){
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keep_stop
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init
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get_latest_info
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download_and_run
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}
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read_args "$@"
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main
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