Testing

agent/src/collectors/service.rs

@@ -86,6 +86,9 @@ impl ServiceCollector {
         // Get disk usage for this service
         let disk_used_gb = self.get_service_disk_usage(service).await.unwrap_or(0.0);
         
+        // Get service-specific description
+        let description = self.get_service_description(service).await;
+
         Ok(ServiceData {
             name: service.to_string(),
             status,
@@ -94,6 +97,7 @@ impl ServiceCollector {
             cpu_percent,
             sandbox_limit: None, // TODO: Implement sandbox limit detection
             disk_used_gb,
+            description,
         })
     }
 
@@ -448,6 +452,153 @@ impl ServiceCollector {
             }
         }
     }
+
+    async fn get_service_description(&self, service: &str) -> Option<String> {
+        match service {
+            "sshd" | "ssh" => self.get_ssh_active_users().await,
+            "nginx" | "apache2" | "httpd" => self.get_web_server_connections().await,
+            "docker" => self.get_docker_containers().await,
+            "postgresql" | "postgres" => self.get_postgres_connections().await,
+            "mysql" | "mariadb" => self.get_mysql_connections().await,
+            _ => None,
+        }
+    }
+
+    async fn get_ssh_active_users(&self) -> Option<String> {
+        let output = Command::new("who")
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .await
+            .ok()?;
+
+        if !output.status.success() {
+            return None;
+        }
+
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        let mut ssh_users = Vec::new();
+        
+        for line in stdout.lines() {
+            let parts: Vec<&str> = line.split_whitespace().collect();
+            if parts.len() >= 2 {
+                let user = parts[0];
+                let terminal = parts[1];
+                // SSH sessions typically show pts/X terminals
+                if terminal.starts_with("pts/") {
+                    ssh_users.push(user);
+                }
+            }
+        }
+
+        if ssh_users.is_empty() {
+            None
+        } else {
+            let unique_users: std::collections::HashSet<&str> = ssh_users.into_iter().collect();
+            let count = unique_users.len();
+            let users: Vec<&str> = unique_users.into_iter().collect();
+            
+            if count == 1 {
+                Some(format!("1 active user: {}", users[0]))
+            } else {
+                Some(format!("{} active users: {}", count, users.join(", ")))
+            }
+        }
+    }
+
+    async fn get_web_server_connections(&self) -> Option<String> {
+        let output = Command::new("ss")
+            .args(["-tn", "state", "established", "sport", ":80", "or", "sport", ":443"])
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .await
+            .ok()?;
+
+        if !output.status.success() {
+            return None;
+        }
+
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        let connection_count = stdout.lines().count().saturating_sub(1); // Subtract header line
+        
+        if connection_count > 0 {
+            Some(format!("{} active connections", connection_count))
+        } else {
+            None
+        }
+    }
+
+    async fn get_docker_containers(&self) -> Option<String> {
+        let output = Command::new("docker")
+            .args(["ps", "--format", "table {{.Names}}"])
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .await
+            .ok()?;
+
+        if !output.status.success() {
+            return None;
+        }
+
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        let container_count = stdout.lines().count().saturating_sub(1); // Subtract header line
+        
+        if container_count > 0 {
+            Some(format!("{} running containers", container_count))
+        } else {
+            Some("no containers running".to_string())
+        }
+    }
+
+    async fn get_postgres_connections(&self) -> Option<String> {
+        let output = Command::new("sudo")
+            .args(["-u", "postgres", "psql", "-t", "-c", "SELECT count(*) FROM pg_stat_activity WHERE state = 'active';"])
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .await
+            .ok()?;
+
+        if !output.status.success() {
+            return None;
+        }
+
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        if let Some(line) = stdout.lines().next() {
+            if let Ok(count) = line.trim().parse::<i32>() {
+                if count > 0 {
+                    return Some(format!("{} active connections", count));
+                }
+            }
+        }
+        
+        None
+    }
+
+    async fn get_mysql_connections(&self) -> Option<String> {
+        let output = Command::new("mysql")
+            .args(["-e", "SHOW PROCESSLIST;"])
+            .stdout(Stdio::piped())
+            .stderr(Stdio::piped())
+            .output()
+            .await
+            .ok()?;
+
+        if !output.status.success() {
+            return None;
+        }
+
+        let stdout = String::from_utf8_lossy(&output.stdout);
+        let connection_count = stdout.lines().count().saturating_sub(1); // Subtract header line
+        
+        if connection_count > 0 {
+            Some(format!("{} active connections", connection_count))
+        } else {
+            None
+        }
+    }
 }
 
 #[async_trait]
@@ -510,6 +661,7 @@ impl Collector for ServiceCollector {
                         cpu_percent: 0.0,
                         sandbox_limit: None,
                         disk_used_gb: 0.0,
+                        description: None,
                     });
                     tracing::warn!("Failed to collect metrics for service {}: {}", service, e);
                 }
@@ -581,6 +733,8 @@ struct ServiceData {
     cpu_percent: f32,
     sandbox_limit: Option<f32>,
     disk_used_gb: f32,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    description: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize)]

dashboard/src/ui/services.rs

@@ -48,7 +48,7 @@ fn render_metrics(
     let mut data = WidgetData::new(
         title, 
         Some(WidgetStatus::new(widget_status)),
-        vec!["Service".to_string(), "Memory".to_string(), "Disk".to_string(), "Description".to_string()]
+        vec!["Service".to_string(), "Memory".to_string(), "Disk".to_string()]
     );
 
 
@@ -60,7 +60,6 @@ fn render_metrics(
                 WidgetValue::new("No services reported"),
                 WidgetValue::new(""),
                 WidgetValue::new(""),
-                WidgetValue::new(""),
             ],
         );
         render_widget_data(frame, area, data);
@@ -82,6 +81,7 @@ fn render_metrics(
             ServiceStatus::Stopped => StatusLevel::Error,
         };
         
+        // Main service row
         data.add_row(
             Some(WidgetStatus::new(status_level)),
             "",
@@ -89,9 +89,23 @@ fn render_metrics(
                 WidgetValue::new(svc.name.clone()),
                 WidgetValue::new(format_memory_value(svc.memory_used_mb, svc.memory_quota_mb)),
                 WidgetValue::new(format_disk_value(svc.disk_used_gb)),
-                WidgetValue::new(svc.description.as_deref().unwrap_or("—")),
             ],
         );
+        
+        // Description row (indented) if description exists
+        if let Some(description) = &svc.description {
+            if !description.trim().is_empty() {
+                data.add_row(
+                    None,
+                    "",
+                    vec![
+                        WidgetValue::new(format!("  {}", description)),
+                        WidgetValue::new(""),
+                        WidgetValue::new(""),
+                    ],
+                );
+            }
+        }
     }
 
     render_widget_data(frame, area, data);