WIP: Support reading the server configuration from a git repo #31

crates/cli/src/main.rs

@@ -6,6 +6,7 @@ mod tests;
 use std::path::PathBuf;
 
 use clap::Parser;
+use git_next_server::{BranchName, Secret};
 use kxio::{fs, network::Network};
 
 #[derive(Parser, Debug)]
@@ -23,7 +24,12 @@ enum Command {
 #[derive(Parser, Debug)]
 enum Server {
     Init,
-    Start,
+    Start {
+        repo_url: Option<String>,
+        api_key: Option<String>,
+        branch_name: Option<String>,
+        config_file: Option<PathBuf>,
+    },
 }
 
 fn main() {
@@ -40,9 +46,25 @@ fn main() {
             Server::Init => {
                 git_next_server::init(fs);
             }
-            Server::Start => {
+            Server::Start {
+                repo_url,
+                api_key,
+                branch_name,
+                config_file,
+            } => {
                 let sleep_duration = std::time::Duration::from_secs(10);
-                git_next_server::start(fs, net, repository_factory, sleep_duration);
+                git_next_server::start(
+                    fs,
+                    net,
+                    repository_factory,
+                    sleep_duration,
+                    (
+                        repo_url,
+                        api_key.map(Secret::new),
+                        branch_name.map(BranchName::new),
+                        config_file,
+                    ),
+                );
             }
         },
     }

crates/config/src/api_token.rs

@@ -1,7 +1,7 @@
 /// The API Token for the [user]
 /// ForgeJo: https://{hostname}/user/settings/applications
 /// Github:  https://github.com/settings/tokens
-#[derive(Clone, Debug, derive_more::Constructor)]
+#[derive(Clone, Debug, derive_more::Constructor, derive_more::From)]
 pub struct ApiToken(secrecy::Secret<String>);
 /// The API Token is in effect a password, so it must be explicitly exposed to access its value
 impl secrecy::ExposeSecret<String> for ApiToken {

crates/config/src/lib.rs

@@ -10,6 +10,7 @@ pub mod git_dir;
 mod host_name;
 mod newtype;
 mod registered_webhook;
+mod remote_repo_server_config;
 mod remote_url;
 mod repo_alias;
 mod repo_branches;
@@ -34,6 +35,7 @@ pub use git_dir::GitDir;
 pub use git_dir::StoragePathType;
 pub use host_name::Hostname;
 pub use registered_webhook::RegisteredWebhook;
+pub use remote_repo_server_config::RemoteRepoServerConfig;
 pub use remote_url::RemoteUrl;
 pub use repo_alias::RepoAlias;
 pub use repo_branches::RepoBranches;

crates/config/src/remote_repo_server_config.rs

@@ -0,0 +1,18 @@
+use std::path::PathBuf;
+
+use derive_more::Constructor;
+
+use crate::{BranchName, RemoteUrl};
+
+#[derive(Clone, Debug, Constructor, PartialEq, Eq)]
+pub struct RemoteRepoServerConfig {
+    repo_url: RemoteUrl,
+    api_key: String,
+    branch_name: BranchName,
+    config_file: PathBuf,
+}
+impl RemoteRepoServerConfig {
+    pub fn api_key(&self) -> secrecy::Secret<String> {
+        secrecy::Secret::new(self.api_key.clone())
+    }
+}

crates/server-actor/src/handlers/mod.rs

@@ -2,3 +2,4 @@ mod file_updated;
 mod receive_server_config;
 mod receive_valid_server_config;
 mod shutdown;
+mod watch_file;

crates/server-actor/src/handlers/watch_file.rs

@@ -0,0 +1,21 @@
+//-
+use actix::prelude::*;
+// use git_next_config::server::ServerConfig;
+
+// use crate::messages::ReceiveServerConfig;
+use crate::{messages::WatchFile, Server};
+
+impl Handler<WatchFile> for Server {
+    type Result = ();
+
+    fn handle(&mut self, _msg: WatchFile, _ctx: &mut Self::Context) -> Self::Result {
+        // let server_config = match ServerConfig::load(&self.fs) {
+        //     Ok(server_config) => server_config,
+        //     Err(err) => {
+        //         tracing::error!("Failed to load config file. Error: {}", err);
+        //         return;
+        //     }
+        // };
+        // self.do_send(ReceiveServerConfig::new(server_config), ctx);
+    }
+}

crates/server-actor/src/messages.rs

@@ -1,7 +1,10 @@
 //-
 use derive_more::Constructor;
 use git_next_actor_macros::message;
-use git_next_config::server::{ServerConfig, ServerStorage};
+use git_next_config::{
+    server::{ServerConfig, ServerStorage},
+    RemoteRepoServerConfig,
+};
 use std::net::SocketAddr;
 
 // receive server config
@@ -21,3 +24,5 @@ pub struct ValidServerConfig {
 message!(ReceiveValidServerConfig: ValidServerConfig: "Notification of validated server configuration.");
 
 message!(Shutdown: "Notification to shutdown the server actor");
+
+message!(WatchFile: RemoteRepoServerConfig: "Start monitoring the repo for changes to the config file.");

crates/server/Cargo.toml

@@ -23,6 +23,9 @@ kxio = { workspace = true }
 actix = { workspace = true }
 actix-rt = { workspace = true }
 
+# Security
+secrecy = { workspace = true }
+
 [dev-dependencies]
 # Testing
 assert2 = { workspace = true }

crates/server/src/lib.rs

@@ -1,12 +1,16 @@
 //
 use actix::prelude::*;
+use git_next_config::{RemoteRepoServerConfig, RemoteUrl};
 use git_next_file_watcher_actor::{FileUpdated, FileWatcher};
 use git_next_server_actor::Server;
 use kxio::{fs::FileSystem, network::Network};
+use secrecy::ExposeSecret;
 use std::path::PathBuf;
 use tracing::{error, info, level_filters::LevelFilter};
 
+pub use git_next_config::BranchName;
 pub use git_next_server_actor::{repository_factory, RepositoryFactory};
+pub use secrecy::Secret;
 
 pub fn init(fs: FileSystem) {
     let file_name = "git-next-server.toml";
@@ -35,16 +39,33 @@ pub fn start(
     net: Network,
     repo: Box<dyn RepositoryFactory>,
     sleep_duration: std::time::Duration,
+    (repo_url, api_key, branch_name, config_file): (
+        Option<String>,
+        Option<Secret<String>>,
+        Option<BranchName>,
+        Option<PathBuf>,
+    ),
 ) {
     init_logging();
 
+    let Ok(remote_config) = parse_remote_repo_config(repo_url, api_key, branch_name, config_file)
+    else {
+        tracing::error!("Failed to parse repo config for server settings.");
+        return;
+    };
+
     info!("Starting Server...");
     let execution = async move {
         let server = Server::new(fs.clone(), net.clone(), repo, sleep_duration).start();
         server.do_send(FileUpdated);
 
+        match remote_config {
+            None => {
                 info!("Starting File Watcher...");
-        let fw = match FileWatcher::new("git-next-server.toml".into(), server.clone().recipient()) {
+                let fw = match FileWatcher::new(
+                    "git-next-server.toml".into(),
+                    server.clone().recipient(),
+                ) {
                     Ok(fw) => fw,
                     Err(err) => {
                         error!(?err, "Failed to start file watcher");
@@ -52,6 +73,21 @@ pub fn start(
                     }
                 };
                 fw.start();
+            }
+            Some(_remote_repo_server_config) => {
+                info!("Starting Repo Watcher...");
+                // TODO: start private repo actor and send watch file message
+                // let rw =
+                //     match RepoWatcher::new(remote_repo_server_config, server.clone().recipient()) {
+                //         Ok(rw) => rw,
+                //         Err(err) => {
+                //             error!(?err, "Failed to start repo watcher");
+                //             return;
+                //         }
+                //     };
+                // rw.start();
+            }
+        }
 
         info!("Server running - Press Ctrl-C to stop...");
         let _ = actix_rt::signal::ctrl_c().await;
@@ -85,3 +121,30 @@ pub fn init_logging() {
         .with(subscriber)
         .init();
 }
+
+fn parse_remote_repo_config(
+    repo_url: Option<String>,
+    api_key: Option<Secret<String>>,
+    branch_name: Option<BranchName>,
+    config_file: Option<PathBuf>,
+) -> Result<Option<RemoteRepoServerConfig>, ()> {
+    match (repo_url, api_key, branch_name, config_file) {
+        (Some(repo_url), Some(api_key), Some(branch_name), Some(config_file)) => {
+            let Some(url) = RemoteUrl::parse(repo_url) else {
+                tracing::error!("--repo-url is invalid");
+                return Err(());
+            };
+            Ok(Some(RemoteRepoServerConfig::new(
+                url,
+                api_key.expose_secret().clone(),
+                branch_name,
+                config_file,
+            )))
+        }
+        (None, None, None, None) => Ok(None),
+        (_, _, _, _) => {
+            tracing::error!("Server config requires all or none of 'repo-url', 'api-key', 'branch-name' and 'config-file', not all were provided");
+            Err(())
+        }
+    }
+}