Add debug line for cli parameters

src/cli.rs

@@ -47,7 +47,7 @@ const ETC_CONFIG_PATH: &str = "/etc/quilkin/quilkin.yaml";
 const PORT_ENV_VAR: &str = "QUILKIN_PORT";
 
 /// The Command-Line Interface for Quilkin.
-#[derive(clap::Parser)]
+#[derive(Debug, clap::Parser)]
 #[command(version)]
 #[non_exhaustive]
 pub struct Cli {
@@ -68,7 +68,7 @@ pub struct Cli {
 }
 
 /// The various Quilkin commands.
-#[derive(Clone, clap::Subcommand)]
+#[derive(Clone, Debug, clap::Subcommand)]
 pub enum Commands {
     Proxy(Proxy),
     GenerateConfigSchema(GenerateConfigSchema),
@@ -108,6 +108,8 @@ impl Cli {
             "Starting Quilkin"
         );
 
+        tracing::debug!(cli = ?self, "config parameters");
+
         let config = Arc::new(Self::read_config(self.config)?);
         let _admin_task = self
             .command

src/cli/generate_config_schema.rs

@@ -15,7 +15,7 @@
  */
 
 /// Generates JSON schema files for known filters.
-#[derive(clap::Args, Clone)]
+#[derive(clap::Args, Clone, Debug)]
 pub struct GenerateConfigSchema {
     /// The directory to write configuration files.
     #[clap(short, long, default_value = ".")]

src/cli/manage.rs

@@ -20,7 +20,7 @@ define_port!(7800);
 
 /// Runs Quilkin as a xDS management server, using `provider` as
 /// a configuration source.
-#[derive(clap::Args, Clone)]
+#[derive(clap::Args, Clone, Debug)]
 pub struct Manage {
     /// One or more `quilkin relay` endpoints to push configuration changes to.
     #[clap(short, long, env = "QUILKIN_MANAGEMENT_SERVER")]

src/cli/proxy.rs

@@ -27,7 +27,7 @@ use crate::filters::FilterFactory;
 define_port!(7777);
 
 /// Run Quilkin as a UDP reverse proxy.
-#[derive(clap::Args, Clone)]
+#[derive(clap::Args, Clone, Debug)]
 pub struct Proxy {
     /// One or more `quilkin manage` endpoints to listen to for config changes
     #[clap(short, long, env = "QUILKIN_MANAGEMENT_SERVER", conflicts_with("to"))]

src/cli/relay.rs

@@ -24,7 +24,7 @@ pub const PORT: u16 = 7900;
 /// (mDS) for accepting cluster and configuration information from xDS
 /// management services, and exposing it as a single merged xDS service for
 /// proxy services.
-#[derive(clap::Args, Clone)]
+#[derive(clap::Args, Clone, Debug)]
 pub struct Relay {
     /// Port for mDS service.
     #[clap(short, long, env = "QUILKIN_MDS_PORT", default_value_t = PORT)]