#!/usr/bin/env python
# -*- coding: utf-8 -*-
###############################################################################
# The MIT License
#
# Copyright (c) 2016 Grigory Chernyshev
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
###############################################################################
import re
from distutils.version import LooseVersion
from easydict import EasyDict
# noinspection PyUnresolvedReferences
from six.moves import html_parser
from yagocd.resources import BaseManager
from yagocd.util import since
[docs]class AboutPageTableParser(html_parser.HTMLParser):
def __init__(self):
html_parser.HTMLParser.__init__(self)
self._in_td = False
self.data = list()
[docs] def handle_starttag(self, tag, attrs):
if tag == 'td':
self._in_td = True
[docs] def handle_data(self, data):
if self._in_td:
self.data.append(data)
[docs] def handle_endtag(self, tag):
self._in_td = False
@since('14.3.0')
[docs]class InfoManager(BaseManager):
"""
Class for getting general information about GoCD server.
Mostly this class returns some system information about the
server and not assumed to be used often.
:versionadded: 14.3.0.
Right now this class just parses /about page, for more robust approach
you can use yagocd.resources.version.VersionManager class.
"""
SERVER_VERSION_RE = re.compile(r'Server Version')
VERSION_NUMBER_RE = re.compile(r'[\d.-]+')
JVM_VERSION_RE = re.compile(r'JVM version')
OS_INFO_RE = re.compile(r'OS Information')
ARTIFACT_FREE_SPACE_RE = re.compile(r'Usable space in artifacts repository')
DB_SCHEMA_VERSION_RE = re.compile(r'Database schema version')
def __init__(self, session):
super(InfoManager, self).__init__(session)
self._parsed = None
def _get_about_page(self):
result = self._session.get(
path='go/about',
headers={'Accept': 'text/html'}
)
return result.text
def _get_value(self, regex):
if not self._parsed:
content = self._get_about_page()
parser = AboutPageTableParser()
parser.feed(content)
self._parsed = dict(zip(parser.data[0::2], parser.data[1::2]))
for title, value in self._parsed.items():
if regex.search(title):
return value
@property
def version(self):
value = self._get_value(self.SERVER_VERSION_RE)
if value:
match = self.VERSION_NUMBER_RE.match(value)
if match:
return match.group()
@property
def jvm_version(self):
return self._get_value(self.JVM_VERSION_RE)
@property
def os_info(self):
return self._get_value(self.OS_INFO_RE)
@property
def artifact_free_space(self):
return self._get_value(self.ARTIFACT_FREE_SPACE_RE)
@property
def db_schema_version(self):
return self._get_value(self.DB_SCHEMA_VERSION_RE)
[docs] def support(self):
"""
Method for getting different server support information.
"""
response = self._session.get(
path='{base_api}/support'.format(base_api=self.base_api),
headers={
'Accept': 'application/json',
},
)
if LooseVersion(self._session.server_version) <= LooseVersion('16.3.0'):
return response.text
return EasyDict(response.json())
[docs] def process_list(self):
"""
Method for getting processes, executed by server.
"""
response = self._session.get(
path='{base_api}/process_list'.format(base_api=self.base_api),
headers={
'Accept': 'application/json',
},
)
return EasyDict(response.json())