jenkins-job-builder/jenkins_jobs/macro.py
Vsevolod Fedorov e5f77255a2 Macro now can define defaults for parameters
Change-Id: Idc6688a76b80b904d24ff537a3df514b6d24b700
2024-03-19 11:44:08 +03:00

118 lines
3.7 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from dataclasses import dataclass
from functools import partial
from .root_base import ElementBase
from .expander import Expander, StringsOnlyExpander
from .yaml_objects import BaseYamlObject
from .loc_loader import LocDict
from .errors import JenkinsJobsException
from .position import Pos
macro_specs = [
# type_name, elements_name (aka component_type, component_list_type for Registry).
("parameter", "parameters"),
("property", "properties"),
("builder", "builders"),
("wrapper", "wrappers"),
("trigger", "triggers"),
("publisher", "publishers"),
("scm", "scm"),
("pipeline-scm", "pipeline-scm"),
("reporter", "reporters"),
("notification", "notifications"),
]
@dataclass
class Macro(ElementBase):
_expander: Expander
_str_expander: StringsOnlyExpander
_type_name: str
name: str
defaults_name: str
pos: Pos
elements: list
@classmethod
def add(
cls,
type_name,
elements_name,
config,
roots,
data,
pos,
):
d = data.copy()
name = d.pop_required_loc_string("name")
defaults = d.pop_loc_string("defaults", "global")
elements = d.pop_required_element(elements_name)
params = d
expander = Expander(config)
str_expander = StringsOnlyExpander(config)
macro = cls(
_defaults=roots.defaults,
_expander=expander,
_str_expander=str_expander,
_type_name=type_name,
name=name,
defaults_name=defaults,
pos=pos,
params=params,
elements=elements or [],
)
roots.assign(roots.macros[type_name], name, macro, "macro")
def __str__(self):
return f"{self._type_name} macro {self.name!r}"
def dispatch_elements(self, registry, xml_parent, component_data, job_data, params):
defaults = self._pick_defaults(self.defaults_name)
full_params = LocDict.merge(
defaults.params,
self.params,
params,
)
element_list = self.elements
if isinstance(element_list, BaseYamlObject):
# Expand !j2-yaml tag if it is right below macro body.
# But do not expand yaml tags inside it - they will be expanded later.
element_list = element_list.expand(self._str_expander, full_params)
for element in element_list:
try:
expanded_element = self._expander.expand(element, full_params)
except JenkinsJobsException as x:
raise x.with_context(
f"While expanding {self}",
pos=self.pos,
)
# Pass component_data in as template data to this function
# so that if the macro is invoked with arguments,
# the arguments are interpolated into the real defn.
registry.dispatch(
self._type_name,
xml_parent,
expanded_element,
component_data,
job_data=job_data,
)
macro_adders = {
macro_type: partial(Macro.add, macro_type, elements_name)
for macro_type, elements_name in macro_specs
}