Resolve Remaining Review Comments

Author: Bihan Rana

src/dstack/_internal/core/backends/hotaisle/api_client.py

@@ -68,9 +68,7 @@ def upload_ssh_key(self, public_key: str) -> bool:
         response.raise_for_status()
         return True
 
-    def create_virtual_machine(
-        self, vm_payload: Dict[str, Any], instance_name: str
-    ) -> Dict[str, Any]:
+    def create_virtual_machine(self, vm_payload: Dict[str, Any]) -> Dict[str, Any]:
         url = f"{API_URL}/teams/{self.team_handle}/virtual_machines/"
         response = self._make_request("POST", url, json=vm_payload)
         response.raise_for_status()
@@ -87,6 +85,9 @@ def get_vm_state(self, vm_name: str) -> str:
     def terminate_virtual_machine(self, vm_name: str) -> None:
         url = f"{API_URL}/teams/{self.team_handle}/virtual_machines/{vm_name}/"
         response = self._make_request("DELETE", url)
+        if response.status_code == 404:
+            logger.debug("Hot Aisle virtual machine %s not found", vm_name)
+            return
         response.raise_for_status()
 
     def _make_request(

src/dstack/_internal/core/backends/hotaisle/compute.py

@@ -10,7 +10,6 @@
 from dstack._internal.core.backends.base.compute import (
     Compute,
     ComputeWithCreateInstanceSupport,
-    generate_unique_instance_name,
     get_shim_commands,
 )
 from dstack._internal.core.backends.base.offers import get_catalog_offers
@@ -115,13 +114,10 @@ def create_instance(
         instance_config: InstanceConfiguration,
         placement_group: Optional[PlacementGroup],
     ) -> JobProvisioningData:
-        instance_name = generate_unique_instance_name(
-            instance_config, max_length=MAX_INSTANCE_NAME_LEN
-        )
         project_ssh_key = instance_config.ssh_keys[0]
         self.api_client.upload_ssh_key(project_ssh_key.public)
         vm_payload = self.get_payload_from_offer(instance_offer.instance)
-        vm_data = self.api_client.create_virtual_machine(vm_payload, instance_name)
+        vm_data = self.api_client.create_virtual_machine(vm_payload)
         return JobProvisioningData(
             backend=instance_offer.backend,
             instance_type=instance_offer.instance,
@@ -178,27 +174,13 @@ def _start_runner(
     project_ssh_private_key: str,
     launch_command: str,
 ):
-    _setup_instance(
-        hostname=hostname,
-        ssh_private_key=project_ssh_private_key,
-    )
     _launch_runner(
         hostname=hostname,
         ssh_private_key=project_ssh_private_key,
         launch_command=launch_command,
     )
 
 
-def _setup_instance(
-    hostname: str,
-    ssh_private_key: str,
-):
-    setup_commands = ("sudo apt-get update",)
-    _run_ssh_command(
-        hostname=hostname, ssh_private_key=ssh_private_key, command=" && ".join(setup_commands)
-    )
-
-
 def _launch_runner(
     hostname: str,
     ssh_private_key: str,