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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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templates/default_page.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>{{ page_title }}</title>
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
text-align: center;
padding: 50px 20px;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
margin: 0;
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
}
.container {
background: white;
padding: 40px;
border-radius: 12px;
box-shadow: 0 10px 30px rgba(0,0,0,0.2);
max-width: 600px;
width: 100%;
}
.icon {
font-size: 64px;
margin-bottom: 20px;
display: block;
}
h1 {
color: #e74c3c;
margin-bottom: 20px;
font-size: 2.2em;
font-weight: 600;
}
p {
color: #555;
line-height: 1.7;
margin-bottom: 15px;
font-size: 1.1em;
}
.contact {
background: linear-gradient(135deg, #3498db, #2980b9);
color: white;
padding: 12px 24px;
border-radius: 6px;
text-decoration: none;
display: inline-block;
margin-top: 25px;
font-weight: 500;
transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.contact:hover {
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}
.domain-info {
background: #f8f9fa;
border: 1px solid #e9ecef;
border-radius: 6px;
padding: 15px;
margin: 20px 0;
font-family: 'Courier New', monospace;
color: #495057;
}
</style>
</head>
<body>
<div class="container">
<span class="icon">⚠️</span>
<h1>{{ page_title }}</h1>
<p>{{ main_message }}</p>
<p>{{ secondary_message }}</p>
<div class="domain-info">
<strong>Domain:</strong> <span id="domain"></span><br>
<strong>Time:</strong> <span id="timestamp"></span>
</div>
</div>
<script>
// Display the current domain and timestamp
document.getElementById('domain').textContent = window.location.hostname;
document.getElementById('timestamp').textContent = new Date().toLocaleString();
</script>
</body>
</html>

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templates/hap_default_backend.tpl Normal file
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# Default backend for unmatched domains
backend default-backend
mode http
option http-server-close
http-request set-header X-Forwarded-Proto https if { ssl_fc }
http-request set-header X-Forwarded-Port %[dst_port]
http-request set-header X-Forwarded-For %[src]
http-request set-header X-Real-IP %[src]
# Serve the default page HTML response
http-response set-header Content-Type text/html
http-response set-body "{{ default_page_content }}"