computer-playbook/roles/health-nginx/files/health-nginx.py

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import os
import requests
import sys
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import re
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# Define the path to the nginx configuration directory
config_path = '{{nginx_servers_directory}}'
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# Initialize the error counter
error_counter = 0
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# Regex pattern to match domain.tld or subdomain.domain.tld
pattern = re.compile(r"^(?:[\w-]+\.)?[\w-]+\.[\w-]+\.conf$")
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# Iterate over each file in the configuration directory
for filename in os.listdir(config_path):
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if filename.endswith('.conf') and pattern.match(filename):
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# Extract the domain and subdomain from the filename
name = filename.replace('.conf', '')
parts = name.split('.')
# Prepare the URL and expected status codes
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url = f"https://{name}"
# Default: Expect status code 200 for a domain
expected_statuses = [200]
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# Determine expected status codes based on subdomain
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if len(parts) == 3:
if parts[0] == 'listmonk':
expected_statuses = [401]
elif parts[0] == 'www':
expected_statuses = [200,301]
elif parts[0] == 's':
expected_statuses = [403]
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try:
# Send a HEAD request to get only the response header
response = requests.head(url, allow_redirects=True)
# Check if the status code matches the expected statuses
if response.status_code in expected_statuses:
print(f"{name}: ok")
else:
print(f"{name}: error")
error_counter += 1
except requests.RequestException as e:
# Handle exceptions for requests like connection errors
print(f"{name}: error due to {e}")
error_counter += 1
# Exit the script with the number of errors as the exit code
sys.exit(error_counter)