Remove sprockets

The approach in the existing sprockets code was never fully
implemented. We're going to replace it with something else.
Just remove the old code.

Cargo.toml

@@ -483,9 +483,6 @@ slog-term = "2.9.1"
 smf = "0.2"
 socket2 = { version = "0.5", features = ["all"] }
 sp-sim = { path = "sp-sim" }
-sprockets-common = { git = "https://github.com/oxidecomputer/sprockets", rev = "77df31efa5619d0767ffc837ef7468101608aee9" }
-sprockets-host = { git = "https://github.com/oxidecomputer/sprockets", rev = "77df31efa5619d0767ffc837ef7468101608aee9" }
-sprockets-rot = { git = "https://github.com/oxidecomputer/sprockets", rev = "77df31efa5619d0767ffc837ef7468101608aee9" }
 sqlformat = "0.2.4"
 sqlparser = { version = "0.45.0", features = [ "visitor" ] }
 static_assertions = "1.1.0"
@@ -683,8 +680,6 @@ opt-level = 3
 opt-level = 3
 [profile.dev.package.rsa]
 opt-level = 3
-[profile.dev.package.salty]
-opt-level = 3
 [profile.dev.package.signature]
 opt-level = 3
 [profile.dev.package.subtle]

sp-sim/Cargo.toml

@@ -20,7 +20,6 @@ omicron-common.workspace = true
 serde.workspace = true
 slog.workspace = true
 slog-dtrace.workspace = true
-sprockets-rot.workspace = true
 thiserror.workspace = true
 tokio = { workspace = true, features = [ "full" ] }
 toml.workspace = true

sp-sim/src/gimlet.rs

@@ -6,7 +6,6 @@ use crate::config::GimletConfig;
 use crate::config::SpComponentConfig;
 use crate::helpers::rot_slot_id_from_u16;
 use crate::helpers::rot_slot_id_to_u16;
-use crate::rot::RotSprocketExt;
 use crate::serial_number_padded;
 use crate::server;
 use crate::server::SimSpHandler;
@@ -38,9 +37,6 @@ use gateway_messages::{version, MessageKind};
 use gateway_messages::{ComponentDetails, Message, MgsError, StartupOptions};
 use gateway_messages::{DiscoverResponse, IgnitionState, PowerState};
 use slog::{debug, error, info, warn, Logger};
-use sprockets_rot::common::msgs::{RotRequestV1, RotResponseV1};
-use sprockets_rot::common::Ed25519PublicKey;
-use sprockets_rot::{RotSprocket, RotSprocketError};
 use std::cell::Cell;
 use std::collections::HashMap;
 use std::iter;
@@ -88,8 +84,6 @@ pub enum SimSpHandledRequest {
 }
 
 pub struct Gimlet {
-    rot: Mutex<RotSprocket>,
-    manufacturing_public_key: Ed25519PublicKey,
     local_addrs: Option<[SocketAddrV6; 2]>,
     handler: Option<Arc<TokioMutex<Handler>>>,
     serial_console_addrs: HashMap<String, SocketAddrV6>,
@@ -116,10 +110,6 @@ impl SimulatedSp for Gimlet {
         )
     }
 
-    fn manufacturing_public_key(&self) -> Ed25519PublicKey {
-        self.manufacturing_public_key
-    }
-
     fn local_addr(&self, port: SpPort) -> Option<SocketAddrV6> {
         let i = match port {
             SpPort::One => 0,
@@ -135,13 +125,6 @@ impl SimulatedSp for Gimlet {
         }
     }
 
-    fn rot_request(
-        &self,
-        request: RotRequestV1,
-    ) -> Result<RotResponseV1, RotSprocketError> {
-        self.rot.lock().unwrap().handle_deserialized(request)
-    }
-
     async fn last_sp_update_data(&self) -> Option<Box<[u8]>> {
         let handler = self.handler.as_ref()?;
         let handler = handler.lock().await;
@@ -201,16 +184,11 @@ impl Gimlet {
         let (commands, commands_rx) = mpsc::unbounded_channel();
         let last_request_handled = Arc::default();
 
-        let (manufacturing_public_key, rot) =
-            RotSprocket::bootstrap_from_config(&gimlet.common);
-
         // Weird case - if we don't have any bind addresses, we're only being
         // created to simulate an RoT, so go ahead and return without actually
         // starting a simulated SP.
         let Some(bind_addrs) = gimlet.common.bind_addrs else {
             return Ok(Self {
-                rot: Mutex::new(rot),
-                manufacturing_public_key,
                 local_addrs: None,
                 handler: None,
                 serial_console_addrs,
@@ -299,8 +277,6 @@ impl Gimlet {
             .push(task::spawn(async move { inner.run().await.unwrap() }));
 
         Ok(Self {
-            rot: Mutex::new(rot),
-            manufacturing_public_key,
             local_addrs: Some(local_addrs),
             handler: Some(handler),
             serial_console_addrs,

sp-sim/src/lib.rs

@@ -5,7 +5,6 @@
 pub mod config;
 mod gimlet;
 mod helpers;
-mod rot;
 mod server;
 mod sidecar;
 mod update;
@@ -21,10 +20,6 @@ pub use server::logger;
 pub use sidecar::Sidecar;
 pub use sidecar::SIM_SIDECAR_BOARD;
 pub use slog::Logger;
-pub use sprockets_rot::common::msgs::RotRequestV1;
-pub use sprockets_rot::common::msgs::RotResponseV1;
-use sprockets_rot::common::Ed25519PublicKey;
-pub use sprockets_rot::RotSprocketError;
 use std::net::SocketAddrV6;
 use tokio::sync::mpsc;
 use tokio::sync::watch;
@@ -43,9 +38,6 @@ pub trait SimulatedSp {
     /// Serial number.
     async fn state(&self) -> omicron_gateway::http_entrypoints::SpState;
 
-    /// Public key for the manufacturing cert used to sign this SP's RoT certs.
-    fn manufacturing_public_key(&self) -> Ed25519PublicKey;
-
     /// Listening UDP address of the given port of this simulated SP, if it was
     /// configured to listen.
     fn local_addr(&self, port: SpPort) -> Option<SocketAddrV6>;
@@ -54,12 +46,6 @@ pub trait SimulatedSp {
     /// messages.
     async fn set_responsiveness(&self, r: Responsiveness);
 
-    /// Send a request to the (simulated) RoT.
-    fn rot_request(
-        &self,
-        request: RotRequestV1,
-    ) -> Result<RotResponseV1, RotSprocketError>;
-
     /// Get the last completed update delivered to this simulated SP.
     ///
     /// Only returns data after a simulated reset of the SP.