weixin报警脚本

#!/bin/bash
### script name weixin.sh
### send messages from weixin for zabbix monitor
### jack
### 2016-7-18
### usage:   curl -s -G url 获取acessToken
### curl --data url 传送凭证调用企业号接口
### zabbix 会传送三个参数给脚本，$1 是消息接收账号，$2 报警标题， $3 报警内容

CropID='111'
Secret='3333'
GURL="https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$CropID&corpsecret=$Secret"
Gtoken=$(/usr/bin/curl -s -G $GURL | awk -F '"' '{print $4}')
now_time=$(date -d now)
now_timestamp=$(date -d "${now_time}" +%s)
options=$[2*60*60]
token_file='/tmp/token_file.txt'
PURL="https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token=$Gtoken"
LOG_FILE='/tmp/weixin_log.txt'

function logMessageToFile(){
  echo "[ $1 ] - ["$(date "+%Y-%m-%d %H:%M:%S")"] - $2" >> $LOG_FILE
}

function create_tokenfile(){
echo "${now_time} > ${Gtoken}"  > ${token_file}
}

function get_Gtoken(){
GURL="https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$CropID&corpsecret=$Secret"
Gtoken=$(/usr/bin/curl -s -G $GURL | awk -F '"' '{print $4}')
}

function check_token(){
        if [ -f "${token_file}" ]; then
                file_token=$(awk -F '>' '{print $2}' ${token_file})
                file_time=$(awk -F '>' '{print $1}'  ${token_file})
                file_timestamp=$(date -d "${file_time}" +%s)
                time_difference=$[${now_timestamp}-${file_timestamp}]
                if [ "${time_difference}" -gt "${options}" ]; then
                        get_Gtoken
                        create_tokenfile
                        logMessageToFile "INFO" "上次token是： ${file_token},到现在过了${time_difference} 秒, 新的token是：${Gtoken}"
                else
                        logMessageToFile "INFO"  "not need update the token, use old token ${file_token}  到现在过了${time_difference} 秒"
                        Gtoken=$(echo ${file_token})
                fi
        else
                get_Gtoken
                logMessageToFile "INFO" "the token_file : ${token_file} not exsits ,will create it . 到现在过了${time_difference} 秒"
                create_tokenfile
        fi

}


function body(){
        local int AppID=1                  # 企业号中的应用ID
        local UserID="@all"                  # 部门成员id，zabbix中定义的微信接受者
        local PartyID=2                   # 部门id，定义了范围，组内成员都可接收到消息
        local Msg=$(echo "$@" | cut -d " " -f3-) # 过滤出zabbix中传递的第三个参数
        printf '{
'
        printf '	"touser":"'"$UserID""",
"
        printf '	"toparty":"'"$PartyID""",
"
        printf '	"msgtype": "text",'"
"
        printf '	"agentid":'$AppID\,"
"
        printf '	"text":{
'
        printf '		"content":"'"$Msg""
        printf '
	},
'
        printf '	"safe":"0"
'
        printf '}
'
}

check_token
/usr/bin/curl --data-ascii "$(body $1 $2 $3)" $PURL