From 64c707317f80b233e2364a548e3e189e623ae9b2 Mon Sep 17 00:00:00 2001
From: jknapp <jknapp85@gmail.com>
Date: Sun, 9 Mar 2025 10:59:03 -0700
Subject: [PATCH] Adding reload function and more tweaks for backends

---
 haproxy_manager.py                   | 25 +++++++++++++++++++++++++
 templates/hap_backend.tpl            |  1 -
 templates/hap_backend_http_check.tpl |  8 ++++++++
 templates/index.html                 | 22 ++++++++++++++++++++++
 4 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 templates/hap_backend_http_check.tpl

diff --git a/haproxy_manager.py b/haproxy_manager.py
index 2564789..9b204c7 100644
--- a/haproxy_manager.py
+++ b/haproxy_manager.py
@@ -150,6 +150,31 @@ def regenerate_conf():
             'status': 'failed',
             'error': str(e)
         }), 500
+    
+@app.route('api/reload', methods=['POST'])
+def reload_haproxy():
+    if is_process_running('haproxy'):
+        subprocess.run(['echo', '"reload"', '|', 'socat', 'stdio', '/tmp/haproxy-cli'])
+    else:
+        try:
+            result = subprocess.run(
+                ['haproxy', '-W', '-S', '/tmp/haproxy-cli,level,admin', '-f', HAPROXY_CONFIG_PATH],
+                check=True,
+                capture_output=True,
+                text=True
+            )
+            if result.returncode == 0:
+                print("HAProxy started successfully")
+                return jsonify({'status': 'success'}), 200
+            else:
+                print(f"HAProxy start command returned: {result.stdout}")
+                print(f"Error output: {result.stderr}")
+        except subprocess.CalledProcessError as e:
+            print(f"Failed to start HAProxy: {e.stdout}\n{e.stderr}")
+            return jsonify({
+            'status': 'failed',
+            'error': f"Failed to start HAProxy: {e.stdout}\n{e.stderr}"
+        }), 500
 
 @app.route('/api/domain', methods=['POST'])
 def add_domain():
diff --git a/templates/hap_backend.tpl b/templates/hap_backend.tpl
index e559ee2..367e566 100644
--- a/templates/hap_backend.tpl
+++ b/templates/hap_backend.tpl
@@ -1,7 +1,6 @@
 
 backend {{ name }}-backend
     option forwardfor
-    option httpchk
     http-request add-header X-CLIENT-IP %[src]
     {% if ssl_enabled %}http-request set-header X-Forwarded-Proto https if { ssl_fc }{% endif %}
     {% for server in servers %}server {{ server.server_name }} {{ server.server_address }}:{{ server.server_port }} {{ server.server_options }}{% endfor %}
diff --git a/templates/hap_backend_http_check.tpl b/templates/hap_backend_http_check.tpl
new file mode 100644
index 0000000..e559ee2
--- /dev/null
+++ b/templates/hap_backend_http_check.tpl
@@ -0,0 +1,8 @@
+
+backend {{ name }}-backend
+    option forwardfor
+    option httpchk
+    http-request add-header X-CLIENT-IP %[src]
+    {% if ssl_enabled %}http-request set-header X-Forwarded-Proto https if { ssl_fc }{% endif %}
+    {% for server in servers %}server {{ server.server_name }} {{ server.server_address }}:{{ server.server_port }} {{ server.server_options }}{% endfor %}
+    
\ No newline at end of file
diff --git a/templates/index.html b/templates/index.html
index 3062587..f533472 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -105,6 +105,7 @@
     <div class="container">
         <h1>HAProxy Domain Manager</h1>
         <button onclick="regenerateConfig()" class="regenerate-btn">Regenerate HAProxy Config</button>
+        <button onclick="reloadHAProxy()" class="regenerate-btn" style="background-color: #2196F3;">Reload HAProxy</button>
         <form id="domainForm">
             <div class="form-group">
                 <label for="domain">Domain:</label>
@@ -237,6 +238,27 @@
             }
         });
 
+        async function reloadHAProxy() {
+            try {
+                const response = await fetch('/api/reload', {
+                    method: 'GET',
+                    headers: {
+                        'Content-Type': 'application/json',
+                    }
+                });
+
+                if (response.ok) {
+                    showStatus('HAProxy reloaded successfully', 'success');
+                } else {
+                    const data = await response.json();
+                    showStatus('Failed to reload HAProxy: ' + (data.message || 'Unknown error'), 'error');
+                }
+            } catch (error) {
+                showStatus('Error: ' + error.message, 'error');
+                console.error('Error reloading HAProxy:', error);
+            }
+        }
+
         async function requestSSL(domain) {
             try {
                 const response = await fetch('/api/ssl', {