python3监控linux日志，并将日志转为图片，每天定时发送到钉钉群

 

from __future__ import unicode_literals
import requests
import json
import subprocess
from PIL import Image, ImageDraw, ImageFont
from apscheduler.schedulers.blocking import BlockingScheduler


# 获取kafka的topic的信息
def get_Lag():
    text = ""
    # 使用脚本，并且转为str
    p = subprocess.Popen(
        'kafka-run-class kafka.admin.ConsumerGroupCommand --new-consumer --bootstrap-server kafka的ip:9092 --group web_owner_lzwl --describe',
        shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
    while True:
        line = p.stdout.readline()
        if not line:
            break
        else:
            print(line)
            text += line
    return text


# 监控日志，获取包含send message消息的数据，其中最主要的三个时间t0STime，t1RTime，t1STime
def get_news():
    text = []
    index = 0
    t = True
    p = subprocess.Popen('tail -F /opt/web_app/forward-service/logs/service.log', shell=True,
                         stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
    while True:
        line = str(p.stdout.readline())
        if not line:
            break
        elif "send message" in line and t:
            for item in line.split(','):
                if 't0STime' in item or 't1RTime' in item or 't1STime' in item:
                    index += 1
                    text[index] = item
                text.append(item)
            break
    return text


# 对数组中的数据进行格式化，每行四个，以空格分开
def get_context():
    result = ""
    word = get_news()
    for i in range(len(word)):
        if i % 4 == 0:
            result = result + word[i] + "\n"
        else:
            result = result + word[i] + "    "
    return result


def send_image():
    try:
        lags = get_Lag()
        print(lags)
        # content = get_context()
        # 发送消费延迟的数据
        # 1800 宽度，400：高度，255：底板颜色为白色
        lagImage = Image.new('RGB', (1800, 400), (255, 255, 255))
        draw = ImageDraw.Draw(lagImage)
        # 字体设置，18字号设置
        font = ImageFont.truetype("/usr/share/fonts/cjkuni-ukai/ukai.ttc", 18, encoding="unic")
        draw.text((8, 8), lags, 'black', font)
        # 将生成的图片保存本地
        lagImage.save('/home/hadoop/lags.jpg')
        url = getUrl(r'/home/hadoop/lags.jpg')
        getType("topic延迟", url)

        content = get_context()
        print(content)
        image = Image.new('RGB', (1000, 810), (255, 255, 255))
        draw = ImageDraw.Draw(image)
        font = ImageFont.truetype("/usr/share/fonts/cjkuni-ukai/ukai.ttc", 18, encoding="unic")
        draw.text((10, 10), content, 'black', font)
        image.save('/home/hadoop/log.jpg')
        url = getUrl(r'/home/hadoop/log.jpg')
        getType("日志监控", url)
    except:
        print(u"今天消息发送失败了")


# 将图片发送到钉钉，access_token为钉钉机器人的标识
def getType(type, url):
    webhook = "https://oapi.dingtalk.com/robot/send?access_token=钉钉机器人的access—token"
    header = {
        "Content-Type": "application/json",
        "Charset": "UTF-8"
    }

    datas = {
        "msgtype": "markdown",
        "markdown": {
            "title": type,
            "text": " ![screenshot](" + url + ")\n"
        }
    }
    # 对请求的数据进行json封装
    message_json = json.dumps(datas)
    # 发送请求
    info = requests.post(url=webhook, data=message_json, headers=header)
    # 打印返回的结果
    print(info.text)


# 将本地图片发送到免费服务器
def getUrl(picUrl):
    LIST_URL = "https://sm.ms/api/list"
    UPLOAD_URL = "https://sm.ms/api/upload"
    CLEAR_URL = "https://sm.ms/api/clear"
    data = {'smfile': open(picUrl, 'rb')}
    # 上传本地图片
    r = requests.post(UPLOAD_URL, files=data)

    # 获取图片上传后的具体信息，然后得到图片的url地址，因为图片名称是随机生成
    data = r.json()
    url = data.get("data").get("url")
    return url
#获取免费服务器的图片列表
def get_history():
    params = {'ssl': 0, 'format': 'json'}
    r = requests.get("https://sm.ms/api/list", params)
    print(r.json())

#清空免费服务器的图片
def clear_history():
    r = requests.get("https://sm.ms/api/clear");
    print(r.json())

# 设置定时任务
if __name__ == "__main__":
    # send_image()
    scheduler = BlockingScheduler()
    scheduler.add_job(send_image, 'cron', hour='10')
    scheduler.add_job(send_image, 'cron', hour='15')
    scheduler.start()