Reduce bootstrap code (#111450)

* Reduce bootstrap code

Adds a SETUP_ORDER const dict which will be used
for future refactoring

* tweak

* fix bad merge

homeassistant/bootstrap.py

@@ -157,6 +157,17 @@ CRITICAL_INTEGRATIONS = {
     "frontend",
 }
 
+SETUP_ORDER = {
+    # Load logging as soon as possible
+    "logging": LOGGING_INTEGRATIONS,
+    # Setup frontend
+    "frontend": FRONTEND_INTEGRATIONS,
+    # Setup recorder
+    "recorder": RECORDER_INTEGRATIONS,
+    # Start up debuggers. Start these first in case they want to wait.
+    "debugger": DEBUGGER_INTEGRATIONS,
+}
+
 
 async def async_setup_hass(
     runtime_config: RuntimeConfig,
@@ -758,25 +769,10 @@ async def _async_set_up_integrations(
     if "recorder" in domains_to_setup:
         recorder.async_initialize_recorder(hass)
 
-    # Load logging as soon as possible
-    if logging_domains := domains_to_setup & LOGGING_INTEGRATIONS:
-        _LOGGER.info("Setting up logging: %s", logging_domains)
-        await async_setup_multi_components(hass, logging_domains, config)
-
-    # Setup frontend
-    if frontend_domains := domains_to_setup & FRONTEND_INTEGRATIONS:
-        _LOGGER.info("Setting up frontend: %s", frontend_domains)
-        await async_setup_multi_components(hass, frontend_domains, config)
-
-    # Setup recorder
-    if recorder_domains := domains_to_setup & RECORDER_INTEGRATIONS:
-        _LOGGER.info("Setting up recorder: %s", recorder_domains)
-        await async_setup_multi_components(hass, recorder_domains, config)
-
-    # Start up debuggers. Start these first in case they want to wait.
-    if debuggers := domains_to_setup & DEBUGGER_INTEGRATIONS:
-        _LOGGER.debug("Setting up debuggers: %s", debuggers)
-        await async_setup_multi_components(hass, debuggers, config)
+    pre_stage_domains: dict[str, set[str]] = {
+        name: domains_to_setup & domain_group
+        for name, domain_group in SETUP_ORDER.items()
+    }
 
     # calculate what components to setup in what stage
     stage_1_domains: set[str] = set()
@@ -800,14 +796,13 @@ async def _async_set_up_integrations(
 
             deps_promotion.update(dep_itg.all_dependencies)
 
-    stage_2_domains = (
-        domains_to_setup
-        - logging_domains
-        - frontend_domains
-        - recorder_domains
-        - debuggers
-        - stage_1_domains
-    )
+    stage_2_domains = domains_to_setup - stage_1_domains
+
+    for name, domain_group in pre_stage_domains.items():
+        if domain_group:
+            stage_2_domains -= domain_group
+            _LOGGER.info("Setting up %s: %s", name, domain_group)
+            await async_setup_multi_components(hass, domain_group, config)
 
     # Enables after dependencies when setting up stage 1 domains
     async_set_domains_to_be_loaded(hass, stage_1_domains)