Add temperature monitoring and optional server URL links to dashboard

README.md

@@ -50,9 +50,9 @@ Edit `infrastructure.conf` to define your servers:
 
 ```
 Production
-  root@prod-web-01
+  root@prod-web-01 https://web01.example.com
   root@prod-db-01
-  deploy@prod-app-01
+  deploy@prod-app-01 https://app01.example.com:8080
 
 Development
   deploy@dev-01
@@ -60,7 +60,8 @@ Development
 ```
 
 - Group names are freeform labels (no indentation)
-- Servers are indented with `USERNAME@HOSTNAME`
+- Servers are indented with `USERNAME@HOSTNAME [URL]`
+- An optional URL after the host adds a clickable link on the dashboard
 - Lines starting with `#` are comments
 
 ### 3. Install

app/app.py

@@ -35,6 +35,7 @@ class Server(db.Model):
     username = db.Column(db.String(255), nullable=False)
     hostname = db.Column(db.String(255), nullable=False)
     primary_ip = db.Column(db.String(45), default='')
+    url = db.Column(db.String(1024), default='')
     is_online = db.Column(db.Boolean, default=False)
     last_collected = db.Column(db.DateTime, nullable=True)
     details = db.Column(db.JSON, nullable=True)
@@ -55,13 +56,16 @@ def parse_infrastructure_conf():
                 if line[0] not in (' ', '\t'):
                     current_group = line.strip()
                 else:
-                    entry = line.strip()
+                    parts = line.strip().split(None, 1)
+                    entry = parts[0] if parts else ''
+                    url = parts[1] if len(parts) > 1 else ''
                     if '@' in entry:
                         user, host = entry.split('@', 1)
                         servers.append({
                             'group': current_group or 'Default',
                             'username': user.strip(),
                             'hostname': host.strip(),
+                            'url': url.strip(),
                         })
     except FileNotFoundError:
         logger.error("infrastructure.conf not found at %s", INFRA_CONF_PATH)
@@ -204,6 +208,7 @@ def collect_all():
                 db.session.add(server)
 
             server.group_name = entry['group']
+            server.url = entry.get('url', '')
             server.is_online = result.get('is_online', False)
             server.last_collected = datetime.now(timezone.utc)
             server.details = result
@@ -271,6 +276,7 @@ def api_servers():
             'username': s.username,
             'hostname': s.hostname,
             'primary_ip': s.primary_ip,
+            'url': s.url,
             'is_online': s.is_online,
             'last_collected': s.last_collected.isoformat() if s.last_collected else None,
             'details': s.details,
@@ -327,6 +333,21 @@ def format_uptime(seconds):
     return f"{hours}h {minutes}m"
 
 
+@app.template_filter('temp_color')
+def temp_color(temp_c):
+    try:
+        t = float(temp_c)
+    except (TypeError, ValueError):
+        return '#64748b'
+    if t >= 90:
+        return '#ef4444'
+    if t >= 75:
+        return '#f97316'
+    if t >= 60:
+        return '#eab308'
+    return '#22c55e'
+
+
 @app.template_filter('usage_color')
 def usage_color(percent):
     try:

app/gather_info.sh

@@ -45,6 +45,29 @@ else
     echo "usage_percent=0.0"
 fi
 
+# Temperatures - try sensors (lm-sensors), fall back to thermal zones
+echo "[temperatures]"
+if command -v sensors &>/dev/null; then
+    sensors 2>/dev/null | awk -F'[: ]+' '
+        /^[^ ]/ { chip=$1 }
+        /°C/ {
+            label=$1
+            gsub(/^ +| +$/, "", label)
+            match($0, /[+-]([0-9]+\.[0-9]+)°C/, m)
+            if (m[1]+0 > 0) print chip "/" label "=" m[1]
+        }
+    '
+else
+    for tz in /sys/class/thermal/thermal_zone*; do
+        [ -f "$tz/temp" ] || continue
+        type=$(cat "$tz/type" 2>/dev/null || echo "unknown")
+        temp_mc=$(cat "$tz/temp" 2>/dev/null || echo 0)
+        temp_c=$((temp_mc / 1000))
+        temp_frac=$(( (temp_mc % 1000) / 100 ))
+        [ "$temp_c" -gt 0 ] 2>/dev/null && echo "${type}=${temp_c}.${temp_frac}"
+    done
+fi
+
 echo "[memory]"
 total_kb=$(grep MemTotal /proc/meminfo 2>/dev/null | awk '{print $2}')
 available_kb=$(grep MemAvailable /proc/meminfo 2>/dev/null | awk '{print $2}')

app/static/style.css

@@ -121,6 +121,19 @@ main {
     white-space: nowrap;
 }
 
+.server-link {
+    color: #3b82f6;
+    text-decoration: none;
+    font-size: 0.9rem;
+    flex-shrink: 0;
+    opacity: 0.7;
+    transition: opacity 0.2s;
+}
+
+.server-link:hover {
+    opacity: 1;
+}
+
 .server-ip {
     font-size: 0.8rem;
     color: #94a3b8;

app/templates/index.html

@@ -23,6 +23,13 @@
                 {% set sys = d.get('system', {}) if d.get('system') else {} %}
                 {% set cpu = d.get('cpu', {}) if d.get('cpu') else {} %}
                 {% set mem = d.get('memory', {}) if d.get('memory') else {} %}
+                {% set temps = d.get('temperatures', {}) if d.get('temperatures') else {} %}
+                {% set max_temp = namespace(val=0.0) %}
+                {% for k, v in temps.items() %}
+                    {% if v|float > max_temp.val %}
+                        {% set max_temp.val = v|float %}
+                    {% endif %}
+                {% endfor %}
                 {% set cpu_pct = cpu.get('usage_percent', '0')|float %}
                 {% set mem_pct = mem.get('usage_percent', '0')|float %}
                 {% set disk_usages = d.get('disk_usage', []) if d.get('disk_usage') else [] %}
@@ -42,6 +49,9 @@
                         <div class="card-header">
                             <span class="status-dot {% if server.is_online %}online{% else %}offline{% endif %}"></span>
                             <span class="server-name">{{ server.hostname }}</span>
+                            {% if server.url %}
+                            <a href="{{ server.url }}" class="server-link" target="_blank" rel="noopener" onclick="event.stopPropagation();" title="{{ server.url }}">&#x2197;</a>
+                            {% endif %}
                         </div>
                         <div class="server-ip">{{ server.primary_ip or 'No IP' }}</div>
                         <div class="server-os">{{ sys.get('os_pretty', '') }}</div>
@@ -69,6 +79,15 @@
                                 </div>
                                 <span class="usage-pct">{{ '%.0f'|format(root_disk.pct) }}%</span>
                             </div>
+                            {% if max_temp.val > 0 %}
+                            <div class="usage-row">
+                                <span class="usage-label">TEMP</span>
+                                <div class="usage-bar-bg">
+                                    <div class="usage-bar-fill" style="width: {{ [max_temp.val, 100.0]|min }}%; background: {{ max_temp.val|temp_color }};"></div>
+                                </div>
+                                <span class="usage-pct">{{ '%.0f'|format(max_temp.val) }}°</span>
+                            </div>
+                            {% endif %}
                         </div>
                         {% else %}
                         <div class="offline-label">Unreachable</div>
@@ -105,6 +124,21 @@
                                 </table>
                             </div>
 
+                            <!-- Temperatures -->
+                            {% if temps %}
+                            <div class="detail-section">
+                                <h4>Temperatures</h4>
+                                <table>
+                                    {% for sensor, value in temps.items() %}
+                                    <tr>
+                                        <td>{{ sensor }}</td>
+                                        <td style="color: {{ value|float|temp_color }}">{{ value }}°C</td>
+                                    </tr>
+                                    {% endfor %}
+                                </table>
+                            </div>
+                            {% endif %}
+
                             <!-- Memory -->
                             <div class="detail-section">
                                 <h4>Memory</h4>