Enable running remote cargo registry server

cargo-registry/src/client.rs

@@ -1,5 +1,5 @@
 use {
-    clap::{crate_description, crate_name, value_t_or_exit, App, Arg, ArgMatches},
+    clap::{crate_description, crate_name, value_t, value_t_or_exit, App, Arg, ArgMatches},
     solana_clap_utils::{
         hidden_unless_forced,
         input_validators::is_url_or_moniker,
@@ -37,6 +37,7 @@ impl<'a> ClientConfig<'a> {
 pub struct Client {
     pub rpc_client: Arc<RpcClient>,
     pub port: u16,
+    pub server_url: String,
     websocket_url: String,
     commitment: commitment_config::CommitmentConfig,
     cli_signers: Vec<Keypair>,
@@ -112,6 +113,18 @@ impl Client {
                     .takes_value(true)
                     .help("Cargo registry's local TCP port. The server will bind to this port and wait for requests."),
             )
+            .arg(
+                Arg::with_name("server_url")
+                    .short("s")
+                    .long("server-url")
+                    .value_name("URL_OR_MONIKER")
+                    .takes_value(true)
+                    .global(true)
+                    .validator(is_url_or_moniker)
+                    .help(
+                        "URL where the registry service will be hosted. Default: http://0.0.0.0:<port>",
+                    ),
+            )
             .arg(
                 Arg::with_name("commitment")
                     .long("commitment")
@@ -192,6 +205,9 @@ impl Client {
 
         let port = value_t_or_exit!(matches, "port", u16);
 
+        let server_url =
+            value_t!(matches, "server_url", String).unwrap_or(format!("http://0.0.0.0:{}", port));
+
         Ok(Client {
             rpc_client: Arc::new(RpcClient::new_with_timeouts_and_commitment(
                 json_rpc_url.to_string(),
@@ -200,6 +216,7 @@ impl Client {
                 confirm_transaction_initial_timeout,
             )),
             port,
+            server_url,
             websocket_url,
             commitment,
             cli_signers: vec![payer_keypair, authority_keypair],

cargo-registry/src/dummy_git_index.rs

@@ -4,7 +4,6 @@ use {
     std::{
         fs::{self, create_dir_all},
         io::ErrorKind,
-        net::SocketAddr,
         path::PathBuf,
         process::Command,
     },
@@ -19,15 +18,15 @@ struct RegistryConfig {
 pub struct DummyGitIndex {}
 
 impl DummyGitIndex {
-    pub fn create_or_update_git_repo(root_dir: PathBuf, server_addr: &SocketAddr) {
+    pub fn create_or_update_git_repo(root_dir: PathBuf, server_url: &str) {
         create_dir_all(&root_dir).expect("Failed to create root directory");
 
         let expected_config = serde_json::to_string(&RegistryConfig {
             dl: format!(
-                "http://{}/api/v1/crates/{{crate}}/{{version}}/download",
-                server_addr
+                "{}/api/v1/crates/{{crate}}/{{version}}/download",
+                server_url
             ),
-            api: Some(format!("http://{}", server_addr)),
+            api: Some(server_url.to_string()),
         })
         .expect("Failed to create expected config");
 

cargo-registry/src/main.rs

@@ -306,7 +306,9 @@ impl CargoRegistryService {
 async fn main() {
     solana_logger::setup_with_default("solana=info");
     let client = Arc::new(Client::new().expect("Failed to get RPC Client instance"));
-    let port = client.port;
+
+    let bind_addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), client.port);
+    DummyGitIndex::create_or_update_git_repo(PathBuf::from("/tmp/dummy-git"), &client.server_url);
 
     let registry_service = make_service_fn(move |_| {
         let client_inner = client.clone();
@@ -317,11 +319,8 @@ async fn main() {
         }
     });
 
-    let addr = SocketAddr::new(IpAddr::V4(Ipv4Addr::new(0, 0, 0, 0)), port);
-    DummyGitIndex::create_or_update_git_repo(PathBuf::from("/tmp/dummy-git"), &addr);
-
-    let server = Server::bind(&addr).serve(registry_service);
-    info!("Server running on on http://{}", addr);
+    let server = Server::bind(&bind_addr).serve(registry_service);
+    info!("Server running on on http://{}", bind_addr);
 
     let _ = server.await;
 }