cloud-hosting-platform/haproxy-manager-base
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Add default backend page for unmatched domains
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- Add default backend template (hap_default_backend.tpl)
- Add customizable default page HTML template (default_page.html)
- Modify generate_config() to include default backend for unmatched domains
- Add environment variables for customizing default page content:
  - HAPROXY_DEFAULT_PAGE_TITLE
  - HAPROXY_DEFAULT_MAIN_MESSAGE
  - HAPROXY_DEFAULT_SECONDARY_MESSAGE
- Update README with documentation and examples
- Ensure backward compatibility with existing configurations
- Remove email contact link as requested
This commit is contained in:
jknapp
2025-07-11 19:10:05 -07:00
parent ef488a253d
commit 27f3f8959b
4 changed files with 163 additions and 1 deletions
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32
haproxy_manager.py
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@@ -728,7 +728,12 @@ def generate_config():
config_parts.append(letsencrypt_acl)
config_acls = []
config_backends = []
# Add domain configurations
# Add default backend rule (will be used when no domain matches)
default_rule = " # Default backend for unmatched domains\n default_backend default-backend\n"
config_parts.append(default_rule)
# Add domain configurations
for domain in domains:
if not domain['backend_name']:
logger.warning(f"Skipping domain {domain['domain']} - no backend name")
@@ -782,6 +787,31 @@ def generate_config():
# Add LetsEncrypt Backend
letsencrypt_backend = template_env.get_template('hap_letsencrypt_backend.tpl').render()
config_parts.append(letsencrypt_backend)
# Add Default Backend
try:
# Render the default page template with customizable content
default_page_template = template_env.get_template('default_page.html')
default_page_content = default_page_template.render(
page_title=os.environ.get('HAPROXY_DEFAULT_PAGE_TITLE', 'Site Not Configured'),
main_message=os.environ.get('HAPROXY_DEFAULT_MAIN_MESSAGE', 'This domain has not been configured yet. Please contact your system administrator to set up this website.'),
secondary_message=os.environ.get('HAPROXY_DEFAULT_SECONDARY_MESSAGE', 'If you believe this is an error, please check the domain name and try again.')
)
default_page_content = default_page_content.replace('"', '\\"').replace('\n', '\\n')
default_backend = template_env.get_template('hap_default_backend.tpl').render(
default_page_content=default_page_content
)
config_parts.append(default_backend)
except Exception as e:
logger.error(f"Error generating default backend: {e}")
# Fallback to a simple default backend
fallback_backend = '''# Default backend for unmatched domains
backend default-backend
mode http
option http-server-close
http-response set-header Content-Type text/html
http-response set-body "<!DOCTYPE html><html><head><title>Site Not Configured</title></head><body><h1>Site Not Configured</h1><p>This domain has not been configured yet.</p></body></html>"'''
config_parts.append(fallback_backend)
# Add Backends
config_parts.append('\n' .join(config_backends) + '\n')
# Write complete configuration to tmp