src/api2/node.rs: add node parameter

src/api2/node.rs

@@ -1,6 +1,11 @@
+use failure::*;
+
+use crate::tools;
 use crate::api_schema::*;
 use crate::api_schema::router::*;
 use serde_json::{json};
+use lazy_static::lazy_static;
+use std::sync::Arc;
 
 mod tasks;
 mod time;
@@ -9,6 +14,23 @@ mod dns;
 mod syslog;
 mod services;
 
+lazy_static!{
+
+    pub static ref NODE_SCHEMA: Arc<Schema> = Arc::new(
+        StringSchema::new("Node name (or 'localhost')")
+            .format(
+                Arc::new(ApiStringFormat::VerifyFn(|node| {
+                    if node == "localhost" || node == tools::nodename() {
+                        Ok(())
+                    } else {
+                        Err(format_err!("no such node '{}'", node))
+                    }
+                }))
+            )
+            .into()
+    );
+}
+
 pub fn router() -> Router {
 
     let route = Router::new()