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July 5, 2020 17:39
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Simple script that will monitor a list of names and make sure the IPs match. Useful if you not using CNAMES for APEX domains. Output can be put on a web server and monitored for status.
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| #!/usr/bin/env python3 | |
| import socket | |
| import datetime | |
| domainlist = { | |
| 'home.mydomain.com': 'user.myisp.net', | |
| 'mydomain.com': 'account.myhosting.com' | |
| } | |
| statusdetail = [] | |
| serviceOK = True | |
| for domain in domainlist: | |
| siteip = socket.gethostbyname_ex(domain)[2] | |
| refip = socket.gethostbyname_ex(domainlist[domain])[2] | |
| siteip.sort() | |
| refip.sort() | |
| siteip = ' '.join(siteip) | |
| refip = ' '.join(refip) | |
| if siteip == refip: | |
| statusdetail.append(f"""<div id="status" class="ok">{domain} ({siteip}): OK</div><br>""") | |
| else: | |
| statusdetail.append(f"""<div id="status" class="error">{domain} ({siteip}): ERROR new IP - {refip}</div><br>""") | |
| serviceOK = False | |
| report=""" | |
| <html> | |
| <head> | |
| <title>Monitor IP</title> | |
| <style> | |
| #status.ok {{color: green;}} | |
| #status.error {{color: red;}} | |
| </style> | |
| </head> | |
| <h1>Service Status: {status}</h1> | |
| <hr> | |
| {detail} | |
| <div>Updated: {datestamp}</div> | |
| </html> | |
| """ | |
| print(report.format | |
| ( | |
| status = serviceOK, | |
| detail = "\n".join(statusdetail), | |
| datestamp = datetime.datetime.now().replace(microsecond=0) | |
| ) | |
| ) |
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