Method reserve_pending_sandbox

crates/openshell-driver-docker/src/lib.rs:1051–1073

(&self, sandbox: &DriverSandbox)

    }

    async fn reserve_pending_sandbox(&self, sandbox: &DriverSandbox) -> Result<(), Status> {
        let mut pending = self.pending.lock().await;
        if pending
            .values()
            .any(|record| record.sandbox.id == sandbox.id || record.sandbox.name == sandbox.name)
        {
            return Err(Status::already_exists("sandbox already exists"));
        }

        pending.insert(
            sandbox.id.clone(),
            PendingSandboxRecord {
                sandbox: pending_sandbox_snapshot(
                    sandbox,
                    &self.config.sandbox_namespace,
                    provisioning_condition(),
                    false,
                ),
                task: None,
            },
        );
        Ok(())
    }

    async fn pending_snapshot(
        &self,