Source code for thoth.adviser.prescription.v1.boot
#!/usr/bin/env python3
# thoth-adviser
# Copyright(C) 2021 Fridolin Pokorny
#
# This program is free software: you can redistribute it and / or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""A prescription for boot units."""
import attr
from typing import Any
from typing import Dict
from typing import Generator
from typing import TYPE_CHECKING
from voluptuous import Schema
from voluptuous import Any as SchemaAny
from voluptuous import Required
from .unit import UnitPrescription
from .schema import PRESCRIPTION_BOOT_RUN_SCHEMA
from .schema import PRESCRIPTION_BOOT_MATCH_ENTRY_SCHEMA
if TYPE_CHECKING:
from ...pipeline_builder import PipelineBuilderContext
[docs]@attr.s(slots=True)
class BootPrescription(UnitPrescription):
"""Boot prescription implementation."""
CONFIGURATION_SCHEMA: Schema = Schema(
{
Required("package_name"): SchemaAny(str, None),
Required("match"): SchemaAny(PRESCRIPTION_BOOT_MATCH_ENTRY_SCHEMA, None),
Required("run"): PRESCRIPTION_BOOT_RUN_SCHEMA,
Required("prescription"): Schema({"run": bool}),
}
)
[docs] @staticmethod
def is_boot_unit_type() -> bool:
"""Check if this unit is of type boot."""
return True
@staticmethod
def _yield_should_include(unit_prescription: Dict[str, Any]) -> Generator[Dict[str, Any], None, None]:
"""Yield for every entry stated in the match field."""
match = unit_prescription.get("match", {})
run = unit_prescription.get("run", {})
prescription_conf = {"run": False}
if isinstance(match, list):
for item in match:
yield {
"package_name": item.get("package_name"),
"match": item,
"run": run,
"prescription": prescription_conf,
}
else:
yield {
"package_name": match.get("package_name") if match else None,
"match": match,
"run": run,
"prescription": prescription_conf,
}
[docs] @classmethod
def should_include(cls, builder_context: "PipelineBuilderContext") -> Generator[Dict[str, Any], None, None]:
"""Check if the given pipeline unit should be included in the given pipeline configuration."""
if cls._should_include_base(builder_context):
prescription: Dict[str, Any] = cls._PRESCRIPTION # type: ignore
yield from cls._yield_should_include(prescription)
return None
yield from ()
return None
[docs] def run(self) -> None:
"""Run main entry-point for boot units."""
try:
super()._run_base()
finally:
self._configuration["prescription"]["run"] = True