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January 4, 2022 18:23
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Zabbix screen reporting script by using Selenium. It send email includes screenshot of pre-defined Zabbix screen. You can use this for periodical statistics report with Cron.
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#!/usr/bin/python | |
#-*- coding: utf-8 -*- | |
# Install | |
# apt-get install xvfb python-imaging (firefox or chromium-chromedriver) | |
# pip install selenium pyvirtualdisplay boto | |
import sys | |
import os | |
import socket | |
import logging | |
import datetime | |
import time | |
import httplib | |
from cStringIO import StringIO | |
from email.mime.text import MIMEText | |
from email.mime.image import MIMEImage | |
from email.mime.multipart import MIMEMultipart | |
from selenium import webdriver | |
from selenium.webdriver.common.action_chains import ActionChains | |
from pyvirtualdisplay.xvfb import XvfbDisplay | |
from PIL import Image | |
from boto import ses | |
reload(sys) | |
sys.setdefaultencoding("utf-8") | |
socket.setdefaulttimeout(60) | |
logging.basicConfig(level=logging.INFO) | |
log = logging.getLogger('shaco') | |
####################### | |
# CONFIGURATIONS START | |
####################### | |
ZABBIX_HOST = 'http://127.0.0.1' | |
ZABBIX_USERNAME = '' | |
ZABBIX_PASSWORD = '' | |
SCREEN_URL_FORMAT = '/'.join([ZABBIX_HOST, 'screens.php?fullscreen=1&elementid={}&period=604800&stime={}']) | |
FROM = '[email protected]' | |
SUBJECT_FORMAT = '[Shaco] {} System Statistics - {} to {}' | |
TARGET = ( | |
{ | |
'name': 'Example', | |
'to': ['[email protected]',], | |
'elementid': 32 | |
}, | |
) | |
ALARM_SENDER = '[email protected]' | |
ALARM_RECEIVER = '[email protected]' | |
AWS_ACCESS_KEY = '' | |
AWS_SECRET_KEY = '' | |
####################### | |
# CONFIGURATIONS END | |
####################### | |
class Rectangle(): | |
def __init__(self, left, upper, right, lower): | |
self.left = left | |
self.upper = upper | |
self.right = right | |
self.lower = lower | |
def __str__(self): | |
return '({}, {}, {}, {})'.format(self.left, self.upper, self.right, self.lower) | |
@property | |
def width(self): | |
return self.right - self.left | |
@property | |
def height(self): | |
return self.lower - self.upper | |
class Shaco(): | |
browser = None | |
display = None | |
def __init__(self): | |
self.display = XvfbDisplay(size=(1024, 768)).start() | |
# Firefox | |
self.browser = webdriver.Firefox() | |
# Chrome | |
#CHROMIUM_PATH = '/usr/lib/chromium-browser' | |
#os.environ['LD_LIBRARY_PATH'] = ':'.join(['/'.join([CHROMIUM_PATH, '/libs']), os.environ.get('LD_LIBRARY_PATH', '.')]) | |
#self.browser = webdriver.Chrome(executable_path='/'.join([CHROMIUM_PATH, 'chromedriver'])) | |
def __del__(self): | |
if self.browser: self.browser.quit() | |
if self.display: self.display.stop() | |
def do(self, name): | |
self.login() | |
ses_conn = ses.connection.SESConnection(AWS_ACCESS_KEY, AWS_SECRET_KEY) | |
sdate = datetime.datetime.utcnow() - datetime.timedelta(days=7) | |
edate = sdate + datetime.timedelta(days=6) | |
stime = sdate.strftime('%Y%m%d000000') | |
for target in TARGET: | |
if name: | |
if name != target['name']: pass | |
for trycnt in range(3): | |
try: | |
url = SCREEN_URL_FORMAT.format(target['elementid'], stime) | |
self.browser.get(url) | |
self.browser.find_element_by_id('iframe').click() | |
screenshot = self.get_screenshot() | |
msg = MIMEMultipart() | |
msg['From'] = FROM | |
msg['Subject'] = SUBJECT_FORMAT.format(target['name'], sdate.strftime('%Y%m%d'), edate.strftime('%Y%m%d')) | |
msg['To'] = ','.join(target['to']) | |
text = MIMEText('URL: {}'.format(url)) | |
msg.attach(text) | |
img = MIMEImage(screenshot, name='{}_{}-{}.png'.format(target['name'], sdate.strftime('%Y%m%d'), edate.strftime('%Y%m%d'))) | |
msg.attach(img) | |
ses_conn.send_raw_email(msg.as_string()) | |
break | |
except socket.timeout as e: | |
exception_handler() | |
time.sleep(30) | |
pass | |
except httplib.CannotSendRequest: | |
exception_handler() | |
time.sleep(30) | |
pass | |
except: | |
exception_handler() | |
raise | |
else: | |
ses_alarm('[Shaco] {} Statistics Report Failed!'.format(target['name'])) | |
def login(self): | |
self.browser.get('/'.join([ZABBIX_HOST, ''])) | |
if self.browser.current_url.endswith('dashboard.php'): return None | |
self.browser.find_element_by_id('name').send_keys(ZABBIX_USERNAME) | |
self.browser.find_element_by_id('password').send_keys(ZABBIX_PASSWORD) | |
self.browser.find_element_by_id('enter').click() | |
def get_screenshot(self): | |
if isinstance(self.browser, webdriver.Firefox): | |
return self.get_screenshot_with_firefox() | |
elif isinstance(self.browser, webdriver.Chrome): | |
return self.get_screenshot_with_chrome() | |
else: | |
raise Exception('Unknown webdriver!') | |
def get_screenshot_with_firefox(self): | |
im = Image.open(StringIO(self.browser.get_screenshot_as_png())) | |
stream = StringIO() | |
im.save(stream, 'png') | |
screenshot = stream.getvalue() | |
stream.close() | |
return screenshot | |
def get_screenshot_with_chrome(self): | |
totalWidth = self.browser.execute_script('return document.documentElement.scrollWidth'); | |
totalHeight = self.browser.execute_script('return document.documentElement.scrollHeight'); | |
viewportWidth = self.browser.execute_script('return document.documentElement.clientWidth'); | |
viewportHeight = self.browser.execute_script('return document.documentElement.clientHeight'); | |
rectangles = [] | |
for y in range(0, totalHeight, viewportHeight): | |
newHeight = viewportHeight | |
if (y + viewportHeight) > totalHeight: | |
newHeight = totalHeight - y | |
for x in range(0, totalWidth, viewportWidth): | |
newWidth = viewportWidth | |
if (x + viewportWidth) > totalWidth: | |
newWidth = totalWidth - x | |
rectangle = Rectangle(x, y, x+newWidth, y+newHeight) | |
rectangles.append(rectangle) | |
im = Image.new('RGB', (totalWidth, totalHeight)) | |
prevRectangle = None | |
for rectangle in rectangles: | |
if prevRectangle: | |
xDiff = rectangle.right - prevRectangle.right | |
yDiff = rectangle.lower - prevRectangle.lower | |
self.browser.execute_script('window.scrollBy({}, {})'.format(xDiff, yDiff)) | |
part = Image.open(StringIO(self.browser.get_screenshot_as_png())) | |
part = part.crop((0, 0, viewportWidth, viewportHeight)) | |
box = (rectangle.right - part.size[0], rectangle.lower - part.size[1], rectangle.right, rectangle.lower) | |
im.paste(part, box) | |
prevRectangle = rectangle | |
stream = StringIO() | |
im.save(stream, 'png') | |
screenshot = stream.getvalue() | |
stream.close() | |
return screenshot | |
def exception_handler(): | |
import sys, traceback | |
exc_type, exc_value, exc_traceback = sys.exc_info() | |
subject = '[Shaco] {}: {}'.format(exc_type, exc_value) | |
ses_alarm(subject, traceback.format_exc()) | |
def ses_alarm(subject, body=None): | |
if not body: body = subject | |
ses_conn = ses.connection.SESConnection(AWS_ACCESS_KEY, AWS_SECRET_KEY) | |
ses_conn.send_email(ALARM_SENDER, subject, body, ALARM_RECEIVER) | |
if __name__ == '__main__': | |
shaco = None | |
name = None | |
if len(sys.argv) >= 2: | |
name = sys.argv[1] | |
try: | |
shaco = Shaco() | |
shaco.do(name) | |
except Exception: | |
exception_handler() | |
raise | |
finally: | |
del shaco |
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Hi!
Why do you use AWS to sends email with *.png files? Could you remake this script, that it'll let me use for example smtp server from gmail?
Kind regards,
Xainty.