ahriman/src/ahriman/core/status/web_client.py
2021-09-17 19:15:53 +03:00

256 lines
9.0 KiB
Python

#
# Copyright (c) 2021 ahriman team.
#
# This file is part of ahriman
# (see https://github.com/arcan1s/ahriman).
#
# 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/>.
#
import logging
import requests
from typing import List, Optional, Tuple
from ahriman.core.configuration import Configuration
from ahriman.core.status.client import Client
from ahriman.core.util import exception_response_text
from ahriman.models.build_status import BuildStatusEnum, BuildStatus
from ahriman.models.internal_status import InternalStatus
from ahriman.models.package import Package
from ahriman.models.user import User
class WebClient(Client):
"""
build status reporter web client
:ivar address: address of the web service
:ivar logger: class logger
:ivar user: web service user descriptor
"""
def __init__(self, configuration: Configuration) -> None:
"""
default constructor
:param configuration: configuration instance
"""
self.logger = logging.getLogger("http")
self.address = self.parse_address(configuration)
self.user = User.from_option(
configuration.get("web", "username", fallback=None),
configuration.get("web", "password", fallback=None))
self.__session = requests.session()
self._login()
@property
def _ahriman_url(self) -> str:
"""
:return: full url for web service for ahriman service itself
"""
return f"{self.address}/status-api/v1/ahriman"
@property
def _login_url(self) -> str:
"""
:return: full url for web service to login
"""
return f"{self.address}/user-api/v1/login"
@property
def _reload_auth_url(self) -> str:
"""
:return: full url for web service to reload authentication module
"""
return f"{self.address}/service-api/v1/reload-auth"
@property
def _status_url(self) -> str:
"""
:return: full url for web service for status
"""
return f"{self.address}/status-api/v1/status"
@staticmethod
def parse_address(configuration: Configuration) -> str:
"""
parse address from configuration
:param configuration: configuration instance
:return: valid http address
"""
address = configuration.get("web", "address", fallback=None)
if not address:
# build address from host and port directly
host = configuration.get("web", "host")
port = configuration.getint("web", "port")
address = f"http://{host}:{port}"
return address
def _login(self) -> None:
"""
process login to the service
"""
if self.user is None:
return # no auth configured
payload = {
"username": self.user.username,
"password": self.user.password
}
try:
response = self.__session.post(self._login_url, json=payload)
response.raise_for_status()
except requests.exceptions.HTTPError as e:
self.logger.exception("could not login as %s: %s", self.user, exception_response_text(e))
except Exception:
self.logger.exception("could not login as %s", self.user)
def _package_url(self, base: str = "") -> str:
"""
url generator
:param base: package base to generate url
:return: full url of web service for specific package base
"""
return f"{self.address}/status-api/v1/packages/{base}"
def add(self, package: Package, status: BuildStatusEnum) -> None:
"""
add new package with status
:param package: package properties
:param status: current package build status
"""
payload = {
"status": status.value,
"package": package.view()
}
try:
response = self.__session.post(self._package_url(package.base), json=payload)
response.raise_for_status()
except requests.exceptions.HTTPError as e:
self.logger.exception("could not add %s: %s", package.base, exception_response_text(e))
except Exception:
self.logger.exception("could not add %s", package.base)
def get(self, base: Optional[str]) -> List[Tuple[Package, BuildStatus]]:
"""
get package status
:param base: package base to get
:return: list of current package description and status if it has been found
"""
try:
response = self.__session.get(self._package_url(base or ""))
response.raise_for_status()
status_json = response.json()
return [
(Package.from_json(package["package"]), BuildStatus.from_json(package["status"]))
for package in status_json
]
except requests.exceptions.HTTPError as e:
self.logger.exception("could not get %s: %s", base, exception_response_text(e))
except Exception:
self.logger.exception("could not get %s", base)
return []
def get_internal(self) -> InternalStatus:
"""
get internal service status
:return: current internal (web) service status
"""
try:
response = self.__session.get(self._status_url)
response.raise_for_status()
status_json = response.json()
return InternalStatus.from_json(status_json)
except requests.exceptions.HTTPError as e:
self.logger.exception("could not get web service status: %s", exception_response_text(e))
except Exception:
self.logger.exception("could not get web service status")
return InternalStatus()
def get_self(self) -> BuildStatus:
"""
get ahriman status itself
:return: current ahriman status
"""
try:
response = self.__session.get(self._ahriman_url)
response.raise_for_status()
status_json = response.json()
return BuildStatus.from_json(status_json)
except requests.exceptions.HTTPError as e:
self.logger.exception("could not get service status: %s", exception_response_text(e))
except Exception:
self.logger.exception("could not get service status")
return BuildStatus()
def reload_auth(self) -> None:
"""
reload authentication module call
"""
try:
response = self.__session.post(self._reload_auth_url)
response.raise_for_status()
except requests.exceptions.HTTPError as e:
self.logger.exception("could not reload auth module: %s", exception_response_text(e))
except Exception:
self.logger.exception("could not reload auth module")
def remove(self, base: str) -> None:
"""
remove packages from watcher
:param base: basename to remove
"""
try:
response = self.__session.delete(self._package_url(base))
response.raise_for_status()
except requests.exceptions.HTTPError as e:
self.logger.exception("could not delete %s: %s", base, exception_response_text(e))
except Exception:
self.logger.exception("could not delete %s", base)
def update(self, base: str, status: BuildStatusEnum) -> None:
"""
update package build status. Unlike `add` it does not update package properties
:param base: package base to update
:param status: current package build status
"""
payload = {"status": status.value}
try:
response = self.__session.post(self._package_url(base), json=payload)
response.raise_for_status()
except requests.exceptions.HTTPError as e:
self.logger.exception("could not update %s: %s", base, exception_response_text(e))
except Exception:
self.logger.exception("could not update %s", base)
def update_self(self, status: BuildStatusEnum) -> None:
"""
update ahriman status itself
:param status: current ahriman status
"""
payload = {"status": status.value}
try:
response = self.__session.post(self._ahriman_url, json=payload)
response.raise_for_status()
except requests.exceptions.HTTPError as e:
self.logger.exception("could not update service status: %s", exception_response_text(e))
except Exception:
self.logger.exception("could not update service status")