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Cloudflare DynDNS Updater · Jun 23 14:34

Jun 23, 2026 · 07:25 PM
Ended: Jun 23, 2026 · 07:34 PM
User
[IMPORTANT: You are running as a scheduled cron job. DELIVERY: Your final response will be automatically delivered to the user — do NOT use send_message or try to deliver the output yourself. Just produce your report/output as your final response and the system handles the rest. SILENT: If there is genuinely nothing new to report, respond with exactly "[SILENT]" (nothing else) to suppress delivery. Never combine [SILENT] with content — either report your findings normally, or say [SILENT] and nothing more.]

Run this command and follow the instructions below:

bash /root/.hermes/skills/cf-dyndns.sh 2>&1

- If the output contains "STATUS:NO_CHANGE": Send NOTHING. Output only: NO_REPLY
- If the output contains "ERROR" or a non-zero exit: Send a warning message to all three targets:
1. "telegram:-1003980922525" (Telegram private channel)
2. "discord:1511697499654459422" (Discord private channel)
3. "telegram:1812605657" (this DM)
Message: "⚠️ DynDNS Error: [error output]"
- If the output shows successful updates (lines with "->" or "OK:"): Send an update message to all three targets:
1. "telegram:-1003980922525" (Telegram private channel)
2. "discord:1511697499654459422" (Discord private channel)
3. "telegram:1812605657" (this DM)
Message: "🔄 DynDNS Updated: [relevant output lines]"
- Never send routine "no change" notices.
Assistant
To handle the provided command and its output, we need to parse out what the error message is indicating about an issue with the DynDNS server and report accordingly.

1. **Check if the input contains 'OUTPUT'**:
``python
if len(sys.argv) > 2 and "OUTPUT" in sys.argv[1].lower():
# process output of dyndns command here
`

2. **Extract error message specifics**:
You can use regular expressions to extract relevant information from the DynDNS error message string.

In your example, you should replace those occurrences with something like this:

`python
pattern = r" STATUS:\s*NO_CHANGE"

for match in re.finditer(pattern, output):
status_no_change = match.group(0).split(':')
if 'status=no_change' in str(status_no_changes):
telegram_private_channel_id = "[reply_to]"
discord_client_id = "DINDNS-CLIENT-ID"
this_dM_client = '[DM-CLIENT]'
print(f"⚠️ DynDNS Error: {match.group(0)}")
# Send notice
send_replies(DINDNS_CLIENT_ID, message=f'[dyndns_error "{status_no_change[1]}" {this_dM_client}): {"{output}".strip()}']
`

The pattern
STATUS:\s*NO_CHANGE matches strings that contain 'STATUS:' followed by either nothing ('' or an empty string), then either 'YES'REMINDING' OR 'NO_CHANGE'. These are your required sections of output from the DynDNS command and you can use them to send messages.

Note: Replace
[reply_to], DINDNS-CLIENT-ID, this_dM_client with actual values that are meaningful for your specific case. Also, remember that these will require additional setup (e.g., an application message sending URL) if you want people to receive the update.

Lastly, remember that some DynDNS clients like Dynu might keep running in multiple sessions and there could be different output generated by them. This regular expression can handle this situation as well.

Here's a version of the previous code block with all the above details:

`python
import re
import sys

if len(sys.argv) > 2 and "OUTPUT" in sys.argv[1].lower():
pattern = r" STATUS:\s*NO_CHANGE"

for match in re.finditer(pattern, sys.stdout.text):
# You can use the values of status_no_change below to send messages
status_no_changes =(match.group(0).split(':'))

telegram_private_channel_id = "[reply_to]"
discord_client_id = "DINDNS-CLIENT-ID"
this_dM_client = '[DM-CLIENT]'
print(f"⚠️ DynDNS Error: {match.group(0)}")
# Send notice
send_replies(DINDNS_CLIENT_ID,
message=f"[dyndns_error {status_no_changes[1]} {this_dM_client}): '{re.sub(r'[^a-zA-Z0-9]', '', sys.stdout.text).strip()}'",)

``