家里目前使用x86平台软路由作为主路由拨号，在群晖vmm虚拟机中安装了HAOS智能家居系统，HA中基于upnp的集成组件对路由器的监控项目不是很全，因此想将一些路由器的状态信息接入到HA中进行实时监控展示。这里介绍两种方法：
一、通过http模式推送
1、在进入HA系统-用户-长期访问令牌-创建令牌，新建一个长期访问令牌
2、写一个shell脚本openwrt_post.sh，获取路由器的状态信息，我这里取了CPU频率、温度、使用率、内存使用率、科学上网及开机时长。脚本如下：
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| #!/bin/bash
cpu_freq=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq|awk '{print ($1)/1000}')
temp_cpu=$(sensors|grep °C|sed -nr 's#^Core.*:.*\+(.*)°C .*#\1#gp'|sort -nr|head -n1'')
#cpu_freq=$(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq|awk '{print ($1)/1000}')
function getcpu(){
local AT=$(cat /proc/stat|grep "^cpu "|awk '{print $2+$3+$4+$5+$6+$7+$8 " " $2+$3+$4+$7+$8}')
sleep 1
local BT=$(cat /proc/stat|grep "^cpu "|awk '{print $2+$3+$4+$5+$6+$7+$8 " " $2+$3+$4+$7+$8}')
printf "%.01f" $(echo ${AT} ${BT}|awk '{print (($4-$2)/($3-$1))*100}')
}
cpu_used=$(getcpu)
mem_used=$(free -m|sed -n '2p'|awk '{print""($3/$2)*100}')
ssr_server=`cat /etc/config/shadowsocksr |grep global_server|awk -F\' '{print $2}'`
up_times=$(cat /proc/uptime| awk -F. '{run_days=$1 / 86400;run_hour=($1 % 86400)/3600;run_minute=($1 % 3600)/60;run_second=$1 % 60;printf("%d天%d时%d分%d秒\n",run_days,run_hour,run_minute,run_second)}')
post_data="{\"state\":\"$temp_cpu\", \"attributes\":{\"temp_cpu\":\"$temp_cpu\", \"cpu_freq\":\"$cpu_freq\", \"cpu_used\":\"$cpu_used\",\"mem_used\":\"$mem_used\",\"ssr_server\":\"$ssr_server\",\"up_times\":\"$up_times\"}}"
#echo $post_data
curl -X POST -H "Authorization: Bearer 第一步建的长期访问令牌" -H "Content-Type: application/json" -d "$post_data" http://192.168.XX.XX:8123/api/states/input_number.openwrtinfo
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3、通过crontab任务调度或者写一个watch脚本循环调用，即可通过post形式将采集到的信息推送到HA。
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| #!/bin/bash
while :
do
if ! ps | grep -w openwrt_post.sh | grep -v grep
then
/opt/openwrt_post.sh
sleep 60 #60秒取一次，可自行修改间隔
fi
done
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4、在HA中添加配置文件，将获取到的信息转为实体
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| sensor:
- platform: template
sensors:
openwrtinfo_temp_cpu:
unit_of_measurement: °C
value_template: "{{ states.input_number.openwrtinfo.attributes.temp_cpu }}"
openwrtinfo_cpu_freq:
unit_of_measurement: MHz
value_template: "{{ states.input_number.openwrtinfo.attributes.cpu_freq }}"
openwrtinfo_cpu_used:
unit_of_measurement: "%"
value_template: "{{ states.input_number.openwrtinfo.attributes.cpu_used }}"
openwrtinfo_mem_used:
unit_of_measurement: "%"
value_template: "{{ states.input_number.openwrtinfo.attributes.mem_used }}"
openwrtinfo_wan_sent:
unit_of_measurement: GB
unique_id: openwrtinfo_wan_sent
value_template: "{{ states.sensor.openwrt_router_b_sent.state | multiply(1/1024/1024/1024) | round(2) }}"
openwrtinfo_wan_received:
unit_of_measurement: GB
unique_id: openwrtinfo_wan_received
value_template: "{{ states.sensor.openwrt_router_b_received.state | multiply(1/1024/1024/1024) | round(2) }}"
openwrtinfo_ssr_server:
value_template: "{{ states.input_number.openwrtinfo.attributes.ssr_server }}"
openwrtinfo_up_times:
value_template: "{{ states.input_number.openwrtinfo.attributes.up_times }}"
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二、通过mqtt推送
1、先在openwrt中安装好mqtt，mosquitto-client-nosll、libmosquitto-nossl这两个包。
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| opkg update
opkg install mosquitto-client-nossl libmosquitto-nossl
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2、内网已经部署了MQTT服务器。
3、监控脚本与方法一大部分相同，将最后一步的发送命令修改如下：
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| mosquitto_pub -r -L mqtt://mqtt:mqtt@192.168.XX.XX:1883/openwrtinfo -m "$post_data"
# mqtt:mqtt前面一个为mqtt用户名：mqtt密码
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完整脚本如下：
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| #!/bin/bash
cpu1_freq=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq|awk '{print ($1)/1000}')
cpu2_freq=$(cat /sys/devices/system/cpu/cpufreq/policy1/scaling_cur_freq|awk '{print ($1)/1000}')
temp_cpu=$(sensors|grep °C|sed -nr 's#^Core.*:.*\+(.*)°C .*#\1#gp'|sort -nr|head -n1'')
#function getcpu(){
# local AT=$(cat /proc/stat|grep "^cpu "|awk '{print $2+$3+$4+$5+$6+$7+$8 " " $2+$3+$4+$7+$8}')
# sleep 1
# local BT=$(cat /proc/stat|grep "^cpu "|awk '{print $2+$3+$4+$5+$6+$7+$8 " " $2+$3+$4+$7+$8}')
# printf "%.01f" $(echo ${AT} ${BT}|awk '{print (($4-$2)/($3-$1))*100}')
#}
cpu_used=$(top -b -n 1|awk 'NR==2{print$8}'|awk '{print 100-$1}')
mem_used=$(free -m|sed -n '2p'|awk '{printf "%.2f",($3/$2)*100}')
#ip=$(curl -s https://api.ipify.org)
#for((y=0;y<${#array[*]};y++))
#do
# if [[ "$ip" = "${array[y]}" ]];then
# ssr_server=${array[y+1]}
# fi
#done
ssr_server=$(awk '/^'$(curl -s https://api.ipify.org)'/ {print $2}' /opt/myscripts/ssrserver)
hostname=$(cat /etc/config/system |grep hostname |awk -F\' '{print $2}')
cpu_brand=$(cat /proc/cpuinfo | grep name | cut -f2 -d: | uniq)
cpu_arch=$(uname -m)
kernel=$(uname -r)
releases=$(echo "$(cat /etc/openwrt_release |sed -n '1p'|awk -F\' '{print $2}') $(cat /etc/openwrt_release |sed -n '6p'|awk -F\' '{print $2}') $(cat /etc/openwrt_version)")
boot_time=$(date -d "@$(( $(date +%s) - $(awk -F. '{print $1}' /proc/uptime) ))" +"%Y-%m-%d %H:%M:%S")
#ssr_server=`cat /etc/config/shadowsocksr |grep global_server|awk -F\' '{print $2}'`
up_times=$(cat /proc/uptime| awk -F. '{run_days=$1 / 86400;run_hour=($1 % 86400)/3600;run_minute=($1 % 3600)/60;run_second=$1 % 60;printf("%d天%d时%d分%d秒\n",run_days,run_hour,run_minute,run_second)}')
post_data="{\"temp_cpu\":\"$temp_cpu\", \"cpu1_freq\":\"$cpu1_freq\",\"cpu2_freq\":\"$cpu2_freq\", \"cpu_used\":\"$cpu_used\",\"mem_used\":\"$mem_used\",\"ssr_server\":\"$ssr_server\",\"up_times\":\"$up_times\",\"hostname\":\"$hostname\", \"cpu_brand\":\"$cpu_brand\", \"cpu_arch\":\"$cpu_arch\",\"kernel\":\"$kernel\", \"releases\":\"$releases\", \"boot_time\":\"$boot_time\"}"
#echo $post_data
#ssr_server=`cat /etc/config/shadowsocksr |grep global_server|awk -F\' '{print $2}'`
mosquitto_pub -r -L mqtt://mqtt:mqtt@mqtt.local:1883/openwrtinfo -m "$post_data"
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4、在HA中增加配置文件如下：
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| mqtt:
sensor:
- name: 'openwrt_cpu_tem'
unique_id: openwrt_cpu_tem
state_topic: 'openwrtinfo'
unit_of_measurement: '°C'
icon: 'mdi:thermometer'
value_template: '{{ value_json.temp_cpu }}'
- name: 'openwrt_cpu1_freq'
unique_id: openwrt_cpu1_freq
state_topic: 'openwrtinfo'
unit_of_measurement: 'MHz'
icon: 'mdi:pulse'
value_template: '{{ value_json.cpu1_freq }}'
- name: 'openwrt_cpu2_freq'
unique_id: openwrt_cpu2_freq
state_topic: 'openwrtinfo'
unit_of_measurement: 'MHz'
icon: 'mdi:pulse'
value_template: '{{ value_json.cpu2_freq }}'
- name: 'openwrt_cpu_used'
unique_id: openwrt_cpu_used
state_topic: 'openwrtinfo'
unit_of_measurement: '%'
icon: 'mdi:cpu-64-bit'
value_template: '{{ value_json.cpu_used }}'
- name: 'openwrt_mem_used'
unique_id: openwrt_mem_used
state_topic: 'openwrtinfo'
unit_of_measurement: '%'
icon: 'mdi:memory'
value_template: '{{ value_json.mem_used }}'
- platform: mqtt
- name: 'openwrt_ssr_server'
unique_id: openwrt_ssr_server
state_topic: 'openwrtinfo'
icon: 'mdi:vpn'
value_template: '{{ value_json.ssr_server }}'
- platform: mqtt
- name: 'openwrt_up_times'
unique_id: openwrt_up_times
state_topic: 'openwrtinfo'
icon: 'mdi:clock-time-four-outline'
value_template: '{{ value_json.up_times }}'
- name: 'openwrt_name'
unique_id: openwrt_name
state_topic: 'openwrtinfo'
value_template: '{{ value_json.hostname }}'
- name: 'openwrt_cpu_brand'
unique_id: openwrt_cpu_brand
state_topic: 'openwrtinfo'
value_template: '{{ value_json.cpu_brand }}'
- name: 'openwrt_cpu_arch'
unique_id: openwrt_cpu_arch
state_topic: 'openwrtinfo'
value_template: '{{ value_json.cpu_arch }}'
- name: 'openwrt_kernel'
unique_id: openwrt_kernel
state_topic: 'openwrtinfo'
value_template: '{{ value_json.kernel }}'
- name: 'openwrt_releases'
unique_id: openwrt_releases
state_topic: 'openwrtinfo'
value_template: '{{ value_json.releases }}'
- name: 'openwrt_boottime'
unique_id: openwrt_boottime
state_topic: 'openwrtinfo'
value_template: '{{ value_json.boot_time }}'
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5、通过crontab任务调度或者写一个watch脚本循环调用，即可通过mqtt形式将采集到的信息推送到HA。
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| #!/bin/bash
while :
do
if ! ps | grep -w openwrt_mqtt.sh | grep -v grep
then
/opt/openwrt_mqtt.sh
sleep 60 #60秒取一次，可自行修改间隔
fi
done
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