def node_templates_or_groups_validator(field, presentation, context):
"""
Makes sure that the field's elements refer to either node templates or groups.
Used with the :func:`field_validator` decorator for the "targets" field in :class:`GroupTemplate`.
"""
field.default_validate(presentation, context)
values = getattr(presentation, field.name)
if values is not None:
for value in values:
node_templates = context.presentation.get('service_template',
'node_templates') or {}
groups = context.presentation.get('service_template',
'groups') or {}
if (value not in node_templates) and (value not in groups):
report_issue_for_unknown_type(context, presentation,
'node template or group',
field.name)
def validator_fn(field, presentation, context):
field.default_validate(presentation, context)
# Make sure type exists
value = getattr(presentation, field.name)
if value is not None:
copy = context.presentation.get_from_dict('service_template',
'topology_template',
templates_dict_name,
value)
if copy is None:
report_issue_for_unknown_type(context, presentation,
template_type_name, field.name)
else:
if copy.copy is not None:
context.validation.report(
'"copy" field refers to a %s that itself is a copy in "%s": %s'
% (template_type_name, presentation._fullname,
safe_repr(value)),
locator=presentation._locator,
level=Issue.BETWEEN_TYPES)
def node_template_or_type_validator(field, presentation, context):
"""
Makes sure that the field refers to either a node template or a node type.
Used with the :func:`field_validator` decorator for the :code:`node` field in
:class:`RequirementAssignment`.
"""
field.default_validate(presentation, context)
value = getattr(presentation, field.name)
if value is not None:
node_templates = \
context.presentation.get('service_template', 'topology_template', 'node_templates') \
or {}
node_types = context.presentation.get('service_template',
'node_types') or {}
if (value not in node_templates) and (value not in node_types):
report_issue_for_unknown_type(context, presentation,
'node template or node type',
field.name)
