105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
'''
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config.py used for generation service configuration based on input json file
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'''
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from datetime import datetime
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from pathlib import Path
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from typing import Dict, List
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from ipaddress import IPv4Address
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from pydantic import BaseModel, validator, Field # pylint: disable=import-error,no-name-in-module
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import yaml
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# DEFAULTS
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DIFF_FILE = Path('/tmp/albs-oval-errata-diff.json')
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DOWNLOAD_DIR = Path('/tmp')
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LOG_FILE = Path('logs/albs-oval-errata-diff.log')
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PACKAGES_EXCLUDE = []
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SA_EXCLUDE = []
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SERVER_PORT = 3001
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SERVER_IP = IPv4Address('127.0.0.1')
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# not checking anything before RHEL-9.0 release
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NOT_BEFORE = datetime(2022, 5, 18)
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UPDATE_INTERVAL_MINUTES = 30
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class ReleaseUrls(BaseModel):
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"""
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ReleaseUrls represents list of RHEL/Alma Oval and Errata URLS for specific OS release
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"""
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rhel_oval_url: str = Field(description='URL for RHEL OVAL file')
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alma_oval_url: str = Field(description='URL for Alma OVAL file')
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alma_errata_url: str = Field(description='URL for Alma Errata file')
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class Config(BaseModel):
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"""
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Config represents service configuration
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"""
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diff_file: Path = Field(description="file to store diff JSON in",
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default=DIFF_FILE)
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download_dir: Path = Field(
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description='directory to download Oval/Errata files to',
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default=DOWNLOAD_DIR)
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log_file: Path = Field(
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description='file to write logs to',
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default=LOG_FILE)
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packages_exclude: List[str] = Field(
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description='list of RPM package names to exclude from checking',
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default=PACKAGES_EXCLUDE)
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releases: Dict[int, ReleaseUrls] = Field(
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description='list of OS releases with Oval/Errata URLs to check')
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sa_exclude: List[str] = Field(
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description='list of Security Advisory IDs (ALSA-2022:5219) to exclude from checking',
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default=SA_EXCLUDE)
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server_port: int = Field(
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description='port that will be used by websever',
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default=SERVER_PORT)
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server_ip: IPv4Address = Field(
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description='IP that will be used by webserver',
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default=SERVER_IP)
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not_before: datetime = Field(
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description='date to start checking from (YYYY-mm-dd)',
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default=NOT_BEFORE)
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update_interval_minutes: int = Field(
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description='how often service will be running difference checks (in minutes)',
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default=UPDATE_INTERVAL_MINUTES)
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@validator("releases", pre=True)
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@classmethod
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def parse_releases(cls, value) -> Dict[int, ReleaseUrls]:
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"""
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parse_release converts releases attribute
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Dict[int, Dict[str, str]] -> Dict[str, ReleaseUrls]
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"""
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result: Dict[int, ReleaseUrls] = {}
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for release, urls in value.items():
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result[release] = ReleaseUrls(rhel_oval_url=urls['rhel_oval_url'],
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alma_oval_url=urls['alma_oval_url'],
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alma_errata_url=urls['alma_errata_url'])
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return result
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@validator("not_before", pre=True)
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@classmethod
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def str_to_datetime(cls, value) -> datetime:
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"""
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str_to_datetime converts string attr str -> datetime
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"""
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return datetime.strptime(
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value,
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"%Y-%m-%d")
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def get_config(yml_path: str) -> Config:
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"""
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get_config loads yml file and generates Config instance
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"""
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with open(yml_path, 'r', encoding='utf-8') as flr:
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data = yaml.safe_load(flr)
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return Config(**data)
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if __name__ == "__main__":
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print(get_config('./config.default.yml'))
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