107 lines
3 KiB
Python
107 lines
3 KiB
Python
"""Base classes and objects for shadow specific multihost hosts."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import csv
|
|
|
|
from pytest_mh import MultihostBackupHost, MultihostHost
|
|
from pytest_mh.utils.fs import LinuxFileSystem
|
|
|
|
from ..config import ShadowMultihostDomain
|
|
|
|
__all__ = [
|
|
"BaseHost",
|
|
"BaseLinuxHost",
|
|
]
|
|
|
|
|
|
class BaseHost(MultihostBackupHost[ShadowMultihostDomain]):
|
|
"""
|
|
Base class for all shadow hosts.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs) -> None:
|
|
# restore is handled in topology controllers
|
|
super().__init__(*args, **kwargs)
|
|
|
|
@property
|
|
def features(self) -> dict[str, bool]:
|
|
"""
|
|
Features supported by the host.
|
|
"""
|
|
return {}
|
|
|
|
|
|
class BaseLinuxHost(MultihostHost[ShadowMultihostDomain]):
|
|
"""
|
|
Base Linux host.
|
|
|
|
Adds linux specific reentrant utilities.
|
|
"""
|
|
|
|
def __init__(self, *args, **kwargs) -> None:
|
|
super().__init__(*args, **kwargs)
|
|
|
|
self.fs: LinuxFileSystem = LinuxFileSystem(self)
|
|
self._os_release: dict = {}
|
|
self._distro_name: str = "unknown"
|
|
self._distro_major: int = 0
|
|
self._distro_minor: int = 0
|
|
|
|
def _distro_information(self):
|
|
"""
|
|
Pulls distro information from a host from /ets/os-release
|
|
"""
|
|
self.logger.info(f"Detecting distro information on {self.hostname}")
|
|
os_release = self.fs.read("/etc/os-release")
|
|
self._os_release = dict(csv.reader([x for x in os_release.splitlines() if x], delimiter="="))
|
|
if "NAME" in self._os_release:
|
|
self._distro_name = self._os_release["NAME"]
|
|
if "VERSION_ID" not in self._os_release:
|
|
return
|
|
if "." in self._os_release["VERSION_ID"]:
|
|
self._distro_major = int(self._os_release["VERSION_ID"].split(".", maxsplit=1)[0])
|
|
self._distro_minor = int(self._os_release["VERSION_ID"].split(".", maxsplit=1)[1])
|
|
else:
|
|
self._distro_major = int(self._os_release["VERSION_ID"])
|
|
|
|
@property
|
|
def distro_name(self) -> str:
|
|
"""
|
|
Host distribution
|
|
|
|
:return: Distribution name or "unknown"
|
|
:rtype: str
|
|
"""
|
|
# NAME item from os-release
|
|
if not self._os_release:
|
|
self._distro_information()
|
|
return self._distro_name
|
|
|
|
@property
|
|
def distro_major(self) -> int:
|
|
"""
|
|
Host distribution major version
|
|
|
|
:return: Major version
|
|
:rtype: int
|
|
"""
|
|
# First part of VERSION_ID from os-release
|
|
# Returns zero when could not detect
|
|
if not self._os_release:
|
|
self._distro_information()
|
|
return self._distro_major
|
|
|
|
@property
|
|
def distro_minor(self) -> int:
|
|
"""
|
|
Host distribution minor version
|
|
|
|
:return: Minor version
|
|
:rtype: int
|
|
"""
|
|
# Second part of VERSION_ID from os-release
|
|
# Returns zero when no minor version is present
|
|
if not self._os_release:
|
|
self._distro_information()
|
|
return self._distro_minor
|