def create_recipe_type(self, name, version, title, description, definition,
trigger_rule):
"""Creates a new recipe type and saves it in the database. All database changes occur in an atomic transaction.
:param name: The system name of the recipe type
:type name: str
:param version: The version of the recipe type
:type version: str
:param title: The human-readable name of the recipe type
:type title: str
:param description: An optional description of the recipe type
:type description: str
:param definition: The definition for running a recipe of this type
:type definition: :class:`recipe.configuration.definition.recipe_definition.RecipeDefinition`
:param trigger_rule: The trigger rule that creates recipes of this type
:type trigger_rule: :class:`trigger.models.TriggerRule`
:returns: The new recipe type
:rtype: :class:`recipe.models.RecipeType`
:raises :class:`recipe.configuration.definition.exceptions.InvalidDefinition`: If any part of the recipe
definition violates the specification
:raises :class:`trigger.configuration.exceptions.InvalidTriggerType`: If the given trigger rule is an invalid
type for creating recipes
:raises :class:`trigger.configuration.exceptions.InvalidTriggerRule`: If the given trigger rule configuration is
invalid
:raises :class:`recipe.configuration.data.exceptions.InvalidRecipeConnection`: If the trigger rule connection to
the recipe type definition is invalid
"""
# Must lock job type interfaces so the new recipe type definition can be validated
_ = definition.get_job_types(lock=True)
definition.validate_job_interfaces()
# Validate the trigger rule
if trigger_rule:
trigger_config = trigger_rule.get_configuration()
if not isinstance(trigger_config, RecipeTriggerRuleConfiguration):
raise InvalidTriggerType(
'%s is an invalid trigger rule type for creating recipes' %
trigger_rule.type)
trigger_config.validate_trigger_for_recipe(definition)
# Create the new recipe type
recipe_type = RecipeType()
recipe_type.name = name
recipe_type.version = version
recipe_type.title = title
recipe_type.description = description
recipe_type.definition = definition.get_dict()
recipe_type.trigger_rule = trigger_rule
recipe_type.save()
# Create first revision of the recipe type
RecipeTypeRevision.objects.create_recipe_type_revision(recipe_type)
return recipe_type
def get_trigger_rule_handler(trigger_rule_type):
"""Returns the trigger rule handler that is registered with the given type
:param trigger_rule_type: The trigger rule type
:type trigger_rule_type: string
:returns: The trigger rule handler, possibly None
:rtype: :class:`trigger.handler.TriggerRuleHandler`
:raises :class:`trigger.configuration.exceptions.InvalidTriggerType`: If the trigger type is invalid
"""
if trigger_rule_type not in TRIGGER_RULE_HANDLERS:
raise InvalidTriggerType('%s is an invalid trigger rule type' %
trigger_rule_type)
return TRIGGER_RULE_HANDLERS[trigger_rule_type]
def validate_recipe_type(self, name, title, version, description,
definition, trigger_config):
"""Validates a new recipe type prior to attempting a save
:param name: The system name of the recipe type
:type name: str
:param title: The human-readable name of the recipe type
:type title: str
:param version: The version of the recipe type
:type version: str
:param description: An optional description of the recipe type
:type description: str
:param definition: The definition for running a recipe of this type
:type definition: :class:`recipe.configuration.definition.recipe_definition.RecipeDefinition`
:param trigger_config: The trigger rule configuration
:type trigger_config: :class:`trigger.configuration.trigger_rule.TriggerRuleConfiguration`
:returns: A list of warnings discovered during validation.
:rtype: list[:class:`job.configuration.data.job_data.ValidationWarning`]
:raises :class:`recipe.configuration.definition.exceptions.InvalidDefinition`: If any part of the recipe
definition violates the specification
:raises :class:`trigger.configuration.exceptions.InvalidTriggerType`: If the given trigger rule is an invalid
type for creating recipes
:raises :class:`trigger.configuration.exceptions.InvalidTriggerRule`: If the given trigger rule configuration is
invalid
:raises :class:`recipe.configuration.data.exceptions.InvalidRecipeConnection`: If the trigger rule connection to
the recipe type definition is invalid
"""
warnings = definition.validate_job_interfaces()
if trigger_config:
trigger_config.validate()
if not isinstance(trigger_config, RecipeTriggerRuleConfiguration):
msg = '%s is an invalid trigger rule type for creating recipes'
raise InvalidTriggerType(msg %
trigger_config.trigger_rule_type)
warnings.extend(
trigger_config.validate_trigger_for_recipe(definition))
return warnings
def edit_recipe_type(self, recipe_type_id, title, description, definition, trigger_rule, remove_trigger_rule):
"""Edits the given recipe type and saves the changes in the database. The caller must provide the related
trigger_rule model. All database changes occur in an atomic transaction. An argument of None for a field
indicates that the field should not change. The remove_trigger_rule parameter indicates the difference between
no change to the trigger rule (False) and removing the trigger rule (True) when trigger_rule is None.
:param recipe_type_id: The unique identifier of the recipe type to edit
:type recipe_type_id: int
:param title: The human-readable name of the recipe type, possibly None
:type title: str
:param description: A description of the recipe type, possibly None
:type description: str
:param definition: The definition for running a recipe of this type, possibly None
:type definition: :class:`recipe.configuration.definition.recipe_definition.RecipeDefinition`
:param trigger_rule: The trigger rule that creates recipes of this type, possibly None
:type trigger_rule: :class:`trigger.models.TriggerRule`
:param remove_trigger_rule: Indicates whether the trigger rule should be unchanged (False) or removed (True)
when trigger_rule is None
:type remove_trigger_rule: bool
:raises :class:`recipe.configuration.definition.exceptions.InvalidDefinition`: If any part of the recipe
definition violates the specification
:raises :class:`trigger.configuration.exceptions.InvalidTriggerType`: If the given trigger rule is an invalid
type for creating recipes
:raises :class:`trigger.configuration.exceptions.InvalidTriggerRule`: If the given trigger rule configuration is
invalid
:raises :class:`recipe.configuration.data.exceptions.InvalidRecipeConnection`: If the trigger rule connection to
the recipe type definition is invalid
"""
# Acquire model lock
recipe_type = RecipeType.objects.select_for_update().get(pk=recipe_type_id)
if title is not None:
recipe_type.title = title
if description is not None:
recipe_type.description = description
if definition:
# Must lock job type interfaces so the new recipe type definition can be validated
_ = definition.get_job_types(lock=True)
definition.validate_job_interfaces()
recipe_type.definition = definition.get_dict()
recipe_type.revision_num = recipe_type.revision_num + 1
if trigger_rule or remove_trigger_rule:
if recipe_type.trigger_rule:
# Archive old trigger rule since we are changing to a new one
TriggerRule.objects.archive_trigger_rule(recipe_type.trigger_rule_id)
recipe_type.trigger_rule = trigger_rule
# Validate updated trigger rule against updated definition
if recipe_type.trigger_rule:
trigger_config = recipe_type.trigger_rule.get_configuration()
if not isinstance(trigger_config, RecipeTriggerRuleConfiguration):
msg = '%s is an invalid trigger rule type for creating recipes'
raise InvalidTriggerType(msg % recipe_type.trigger_rule.type)
trigger_config.validate_trigger_for_recipe(recipe_type.get_recipe_definition())
recipe_type.save()
if definition:
# Create new revision of the recipe type for new definition
RecipeTypeRevision.objects.create_recipe_type_revision(recipe_type)
