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@elpatron68
Last active June 22, 2022 17:22
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Parse Mattermost deploy site for latest version, notify channel if updated.
#!/bin/python3
# requires packaging and requests-html
# run scheduled (@daily) with cron
import re
from urllib import response
import requests
from os.path import exists
from requests_html import HTMLSession
from packaging import version
WEBHOOKURL = 'https://mattermost.yourdomain.com/hooks/your_webhook'
CHANNEL = 'chennel name'
def getLatestVersion():
downloadUrl = ""
session = HTMLSession()
r = session.get('https://mattermost.com/deploy/')
htmlPageText=r.text
regex = r'https:\/\/releases\.mattermost\.com\/\d+\.\d+\.\d+\/mattermost-\d+\.\d+\.\d+-linux-amd64\.tar\.gz'
downloadUrl = ''
version = ''
try:
downloadUrl = re.findall(regex, htmlPageText)[0]
except:
pass
try:
version = re.findall(r'\d+\.\d+\.\d+', downloadUrl)[0]
except:
pass
return downloadUrl, version
def readLastversion():
with open('lastversion.txt', 'r') as file:
result = file.read().rstrip()
return result
def writeLastversion(version):
with open('lastversion.txt', 'w') as file:
file.write(version)
def isNewer(latestVersion, lastVerion):
return version.parse(latestVersion) > version.parse(lastVerion)
def sendMM(text):
headers = {'Content-Type': 'application/json',}
values = '{ "channel": "' + CHANNEL + '", "text": "' + text + '"}'
response = requests.post(WEBHOOKURL, headers=headers, data=values)
return response.status_code
if __name__ == "__main__":
if not exists('lastversion.txt'):
writeLastversion("0.0.0")
url, ver = getLatestVersion()
lv = readLastversion()
if (isNewer(ver, lv)):
writeLastversion(ver)
print('New Mattermost version found, information updated:')
print('Former version: ' + lv)
print('Latest version: ' + ver)
print('Download URL: ' + url)
text = 'New Mattermost version found!\nLatest version: ' + ver + '.\nFormer version: ' + lv + '\nDownload URL: ' + url + '\n[Release notes](https://docs.mattermost.com/install/self-managed-changelog.html)'
result = sendMM(text=text)
print('Message sent: ' + str(result))
else:
print('Nothing to do (you are up-to-date).')
packaging==21.3
requests-html==0.10.0
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