config: add UUID validation

Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>

Cargo.toml

@@ -8,3 +8,4 @@ edition = "2018"
 
 [dependencies]
 ureq = "1.1.1"
+uuid = { version = "0.8.1", default-features = false, features = [ "v1" ] }

src/config.rs

@@ -1,9 +1,15 @@
+use uuid::Uuid;
+
 pub struct HealthcheckConfig {
     pub uuid: String,
 }
 
 pub fn create_config(uuid: &str) -> HealthcheckConfig {
-    HealthcheckConfig {
-        uuid: uuid.to_string(),
+    if let Ok(_) = Uuid::parse_str(uuid) {
+        HealthcheckConfig {
+            uuid: uuid.to_string(),
+        }
+    } else {
+        panic!("Invalid UUID: {}", uuid)
     }
 }