async def async_check_ha_config_file(hass: HomeAssistant) -> HomeAssistantConfig:
"""Load and check if Home Assistant configuration file is valid.
This method is a coroutine.
"""
result = HomeAssistantConfig()
def _pack_error(
package: str, component: str, config: ConfigType, message: str
) -> None:
"""Handle errors from packages: _log_pkg_error."""
message = f"Package {package} setup failed. Component {component} {message}"
domain = f"homeassistant.packages.{package}.{component}"
pack_config = core_config[CONF_PACKAGES].get(package, config)
result.add_error(message, domain, pack_config)
def _comp_error(ex: Exception, domain: str, config: ConfigType) -> None:
"""Handle errors from components: async_log_exception."""
result.add_error(_format_config_error(ex, domain, config), domain, config)
# Load configuration.yaml
config_path = hass.config.path(YAML_CONFIG_FILE)
try:
if not await hass.async_add_executor_job(os.path.isfile, config_path):
return result.add_error("File configuration.yaml not found.")
config = await hass.async_add_executor_job(load_yaml_config_file, config_path)
except FileNotFoundError:
return result.add_error(f"File not found: {config_path}")
except HomeAssistantError as err:
return result.add_error(f"Error loading {config_path}: {err}")
finally:
yaml_loader.clear_secret_cache()
# Extract and validate core [homeassistant] config
try:
core_config = config.pop(CONF_CORE, {})
core_config = CORE_CONFIG_SCHEMA(core_config)
result[CONF_CORE] = core_config
except vol.Invalid as err:
result.add_error(err, CONF_CORE, core_config)
core_config = {}
# Merge packages
await merge_packages_config(
hass, config, core_config.get(CONF_PACKAGES, {}), _pack_error
)
core_config.pop(CONF_PACKAGES, None)
# Filter out repeating config sections
components = {key.split(" ")[0] for key in config.keys()}
# Process and validate config
for domain in components:
try:
integration = await async_get_integration_with_requirements(hass, domain)
except (RequirementsNotFound, loader.IntegrationNotFound) as ex:
result.add_error(f"Component error: {domain} - {ex}")
continue
try:
component = integration.get_component()
except ImportError as ex:
result.add_error(f"Component error: {domain} - {ex}")
continue
config_schema = getattr(component, "CONFIG_SCHEMA", None)
if config_schema is not None:
try:
config = config_schema(config)
result[domain] = config[domain]
except vol.Invalid as ex:
_comp_error(ex, domain, config)
continue
component_platform_schema = getattr(
component,
"PLATFORM_SCHEMA_BASE",
getattr(component, "PLATFORM_SCHEMA", None),
)
if component_platform_schema is None:
continue
platforms = []
for p_name, p_config in config_per_platform(config, domain):
# Validate component specific platform schema
try:
p_validated = component_platform_schema(p_config)
except vol.Invalid as ex:
_comp_error(ex, domain, config)
continue
# Not all platform components follow same pattern for platforms
# So if p_name is None we are not going to validate platform
# (the automation component is one of them)
if p_name is None:
platforms.append(p_validated)
continue
try:
p_integration = await async_get_integration_with_requirements(
hass, p_name
)
platform = p_integration.get_platform(domain)
except (
loader.IntegrationNotFound,
RequirementsNotFound,
ImportError,
) as ex:
result.add_error(f"Platform error {domain}.{p_name} - {ex}")
continue
# Validate platform specific schema
platform_schema = getattr(platform, "PLATFORM_SCHEMA", None)
if platform_schema is not None:
try:
p_validated = platform_schema(p_validated)
except vol.Invalid as ex:
_comp_error(ex, f"{domain}.{p_name}", p_validated)
continue
platforms.append(p_validated)
# Remove config for current component and add validated config back in.
for filter_comp in extract_domain_configs(config, domain):
del config[filter_comp]
result[domain] = platforms
return result
async def check_ha_config_file(hass):
"""Check if Home Assistant configuration file is valid."""
config_dir = hass.config.config_dir
result = HomeAssistantConfig()
def _pack_error(package, component, config, message):
"""Handle errors from packages: _log_pkg_error."""
message = "Package {} setup failed. Component {} {}".format(
package, component, message)
domain = 'homeassistant.packages.{}.{}'.format(package, component)
pack_config = core_config[CONF_PACKAGES].get(package, config)
result.add_error(message, domain, pack_config)
def _comp_error(ex, domain, config):
"""Handle errors from components: async_log_exception."""
result.add_error(_format_config_error(ex, domain, config), domain,
config)
# Load configuration.yaml
try:
config_path = await hass.async_add_executor_job(
find_config_file, config_dir)
if not config_path:
return result.add_error("File configuration.yaml not found.")
config = await hass.async_add_executor_job(load_yaml_config_file,
config_path)
except HomeAssistantError as err:
return result.add_error("Error loading {}: {}".format(
config_path, err))
finally:
yaml_loader.clear_secret_cache()
# Extract and validate core [homeassistant] config
try:
core_config = config.pop(CONF_CORE, {})
core_config = CORE_CONFIG_SCHEMA(core_config)
result[CONF_CORE] = core_config
except vol.Invalid as err:
result.add_error(err, CONF_CORE, core_config)
core_config = {}
# Merge packages
await merge_packages_config(hass, config,
core_config.get(CONF_PACKAGES,
{}), _pack_error)
core_config.pop(CONF_PACKAGES, None)
# Filter out repeating config sections
components = set(key.split(' ')[0] for key in config.keys())
# Process and validate config
for domain in components:
try:
integration = await loader.async_get_integration(hass, domain)
except loader.IntegrationNotFound:
result.add_error("Integration not found: {}".format(domain))
continue
if (not hass.config.skip_pip and integration.requirements
and not await requirements.async_process_requirements(
hass, integration.domain, integration.requirements)):
result.add_error("Unable to install all requirements: {}".format(
', '.join(integration.requirements)))
continue
try:
component = integration.get_component()
except ImportError:
result.add_error("Component not found: {}".format(domain))
continue
if hasattr(component, 'CONFIG_SCHEMA'):
try:
config = component.CONFIG_SCHEMA(config)
result[domain] = config[domain]
except vol.Invalid as ex:
_comp_error(ex, domain, config)
continue
component_platform_schema = getattr(
component, 'PLATFORM_SCHEMA_BASE',
getattr(component, 'PLATFORM_SCHEMA', None))
if component_platform_schema is None:
continue
platforms = []
for p_name, p_config in config_per_platform(config, domain):
# Validate component specific platform schema
try:
p_validated = component_platform_schema( # type: ignore
p_config)
except vol.Invalid as ex:
_comp_error(ex, domain, config)
continue
# Not all platform components follow same pattern for platforms
# So if p_name is None we are not going to validate platform
# (the automation component is one of them)
if p_name is None:
platforms.append(p_validated)
continue
try:
p_integration = await loader.async_get_integration(
hass, p_name)
except loader.IntegrationNotFound:
result.add_error(
"Integration {} not found when trying to verify its {} "
"platform.".format(p_name, domain))
continue
try:
platform = p_integration.get_platform(domain)
except ImportError:
result.add_error("Platform not found: {}.{}".format(
domain, p_name))
continue
# Validate platform specific schema
if hasattr(platform, 'PLATFORM_SCHEMA'):
try:
p_validated = platform.PLATFORM_SCHEMA(p_validated)
except vol.Invalid as ex:
_comp_error(ex, '{}.{}'.format(domain, p_name),
p_validated)
continue
platforms.append(p_validated)
# Remove config for current component and add validated config back in.
for filter_comp in extract_domain_configs(config, domain):
del config[filter_comp]
result[domain] = platforms
return result