def get_and_replace_parent_variables(self):
"""
Checks the particles desired state definition and checks to see if there are values that
dependent on one of its parents.
The format should look like $flavor:pcf_name$key_in_parent_current_state_definition.
If there are values then this function looks for the corresponding parents and adds those
values to this particles desired_state_definition.
"""
var_lookup_list = pcf_util.find_nested_vars(
self.desired_state_definition, var_list=[])
for (nested_key, id_var) in var_lookup_list:
if id_var[0] == "inherit":
pcf_id = id_var[1]
parent_var = id_var[2]
try:
parent = next(p for p in self.parents
if p.pcf_id == pcf_id)
except StopIteration:
raise pcf_exceptions.InvalidValueReplaceException(
"{} parent was not found".format(pcf_id))
else:
var = pcf_util.find_nested_dict_value(
curr_dict=parent.current_state_definition,
list_nested_keys=parent_var.split('.'))
if not var:
raise pcf_exceptions.InvalidValueReplaceException(
"{} var was not found in {}".format(
parent_var, pcf_id))
pcf_util.replace_value_nested_dict(
curr_dict=self.desired_state_definition,
list_nested_keys=nested_key.split('.'),
new_value=var)
def id_replace(self):
"""
Looks through the particle definition for $lookup and replaces them with specified resource with given name
"""
var_lookup_list = pcf_util.find_nested_vars(
self.desired_state_definition, var_list=[])
for (nested_key, id_var) in var_lookup_list:
if id_var[0] == "lookup":
resource = id_var[1]
names = id_var[2].split(':')
var = self.lookup(resource, names).get_id()
pcf_util.replace_value_nested_dict(
curr_dict=self.desired_state_definition,
list_nested_keys=nested_key.split('.'),
new_value=var)