json api work

veilid-server/src/cmdline.rs

@@ -132,6 +132,14 @@ fn do_clap_matches(default_config_path: &OsStr) -> Result<clap::ArgMatches, clap
                 .long("dump-txt-record")
                 .help("Prints the bootstrap TXT record for this node and then quits")
         )
+        .arg(
+            Arg::new("emit-schema")
+                .long("emit-schema")
+                .takes_value(true)
+                .value_name("schema_name")
+                .default_missing_value("")
+                .help("Emits a JSON-Schema for a named type")
+        )
         .arg(
             Arg::new("bootstrap")
                 .long("bootstrap")

veilid-server/src/main.rs

@@ -18,6 +18,7 @@ use cfg_if::*;
 #[allow(unused_imports)]
 use color_eyre::eyre::{bail, ensure, eyre, Result as EyreResult, WrapErr};
 use server::*;
+use std::collections::HashMap;
 use std::str::FromStr;
 use tools::*;
 use tracing::*;
@@ -71,6 +72,24 @@ fn main() -> EyreResult<()> {
             bail!("missing crypto kind");
         }
     }
+    // -- Emit JSON-Schema --
+    if matches.occurrences_of("emit-schema") != 0 {
+        if let Some(esstr) = matches.value_of("emit-schema") {
+            let mut schemas = HashMap::<String, String>::new();
+            veilid_core::emit_schemas(&mut schemas);
+
+            if let Some(schema) = schemas.get(esstr) {
+                println!("{}", schema);
+            } else {
+                println!("Valid schemas:");
+                for s in schemas.keys() {
+                    println!("  {}", s);
+                }
+            }
+
+            return Ok(());
+        }
+    }
 
     // See if we're just running a quick command
     let (server_mode, success, failure) = if matches.occurrences_of("set-node-id") != 0 {