Add external IP display for OpenVPN connections

Display VPN external IP as sub-service under openvpn-vpn-connection.
Query external IP through openvpn-namespace using curl ifconfig.me.

Version: v0.1.232

Cargo.lock

@@ -279,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.231"
+version = "0.1.232"
 dependencies = [
  "anyhow",
  "chrono",
@@ -301,7 +301,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.231"
+version = "0.1.232"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -325,7 +325,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.231"
+version = "0.1.232"
 dependencies = [
  "chrono",
  "serde",

agent/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.231"
+version = "0.1.232"
 edition = "2021"
 
 [dependencies]

agent/src/collectors/systemd.rs

@@ -159,6 +159,19 @@ impl SystemdCollector {
                         }
                     }
 
+                    if service_name.contains("openvpn-vpn-connection") && status_info.active_state == "active" {
+                        if let Some(external_ip) = self.get_vpn_external_ip() {
+                            let metrics = Vec::new();
+
+                            sub_services.push(SubServiceData {
+                                name: format!("IP: {}", external_ip),
+                                service_status: Status::Ok,
+                                metrics,
+                                service_type: "vpn_route".to_string(),
+                            });
+                        }
+                    }
+
                     // Create complete service data
                     let service_data = ServiceData {
                         name: service_name.clone(),
@@ -836,6 +849,36 @@ impl SystemdCollector {
             _ => value, // Assume bytes if no unit
         }
     }
+
+    /// Get VPN external IP by querying through the openvpn-namespace
+    fn get_vpn_external_ip(&self) -> Option<String> {
+        let output = Command::new("timeout")
+            .args(&[
+                "5",
+                "ip",
+                "netns",
+                "exec",
+                "openvpn-namespace",
+                "curl",
+                "-s",
+                "--max-time",
+                "4",
+                "https://ifconfig.me"
+            ])
+            .output()
+            .ok()?;
+
+        if output.status.success() {
+            let ip = String::from_utf8_lossy(&output.stdout).trim().to_string();
+            if !ip.is_empty() && ip.contains('.') {
+                debug!("VPN external IP: {}", ip);
+                return Some(ip);
+            }
+        }
+
+        debug!("Failed to get VPN external IP");
+        None
+    }
 }
 
 #[async_trait]

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.231"
+version = "0.1.232"
 edition = "2021"
 
 [dependencies]

shared/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.231"
+version = "0.1.232"
 edition = "2021"
 
 [dependencies]