将 SYSTEMCTL 状态的 grep 搜索结果用于 IF 条件

Question

首先，感谢您的关注！

我是 bash 的新手，编写我想要实现的目标是：我目前必须经常在我的工作中重新启动一些服务，我正在尝试创建一个脚本来自动化它，我设法创建了所有内容，但我还想创建一个条件，如果 systemctl status = inactive then echo "ok, fine, all good" 让我们继续，但如果没有，则 echo "re-start will be re-atempted in 10secs";我正在使用 grep 从服务的 systemctl 状态中查找文本 "active: active (running) or "active: inactive (dead)（由下面的 bluetooth.service 表示）：

#!/bin/bash
#Restarting  bluetooth.service

clear
active_stop="Active: stopped (dead)"    
echo  "This script will RESTART the following service: Bluetooth.Service"
echo -e  "State the REASON for the RESTART: " >> /home/sjadmin/SYS_RESTART/ARCHIVE/sysrestart.log
read -p  "Press ENTER to continue or CTRL + C to cancel"

sudo systemctl stop bluetooth.service |grep active IF [[grep -q=$active_stop]] 

then read -p  "Service STOPPED, please confirm status bellow, press ENTER to continue..."
else read -p "Action failed";

fi

sudo systemctl status bluetooth.service |grep status1="$(Active: active (running))" >> /home/sjadmin/SYS_RESTART/ARCHIVE/sysrestart.log

sudo systemctl status bluetooth.service |grep active

echo  "Service will be RESTARTED in 5 MINUTES, PLEASE DO NOT DISCONECT FROM THE SYSTEM..."

sleep 10s

sudo systemctl start bluetooth.service

read -p "Service RE-STARTED, please confirm status bellow, press ENTER to continue..."

sudo systemctl status bluetooth.service |grep active >>  /home/sjadmin/SYS_RESTART/ARCHIVE/sysrestart.log

sudo systemctl status bluetooth.service |grep active

echo  "System RESTARTED CORRECTLY, please find the log at the SYS_RESTART/ARCHIVE folder"

在此先感谢大家的帮助和支持！ :)

Answer 1

我建议使用 systemctl show <service-name> --no-page 而不是解析状态输出：

status="$(systemctl show bluetooth.service --no-page)"

status_text=$(echo "${status}" | grep 'StatusText=' | cut -f2 -d=)
if [ "${status_text}" == "Running" ]
then
    echo "It's running"
else
    echo "Not running"
fi

active_state=$(echo "${status}" | grep 'ActiveState=' | cut -f2 -d=)
if [ "${active_state}" == "active" ]
then
    echo "It's active"
else
    echo "Not active"
fi

Answer 2

systemctl 处于活动状态 <服务>

root@freeswitch:~# systemctl is-active dialer
inactive

将 SYSTEMCTL 状态的 grep 搜索结果用于 IF 条件

Using the grep search result of a SYSTEMCTL status into a IF CONDITION

conditional

grep

if-statement

systemctl