101 lines
2.7 KiB
Python
101 lines
2.7 KiB
Python
# Copyright 2015 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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try:
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from urllib.parse import urljoin
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except ImportError:
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from urlparse import urljoin
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from requests import exceptions
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class Dashboard(object):
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def __init__(self, url, session):
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self.url = url
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self.session = session
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def assert_dashboard_exists(self, name):
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"""Raise an exception if dashboard does not exist
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:param name: URL friendly title of the dashboard
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:type name: str
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:raises Exception: if dashboard does not exist
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"""
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if not self.is_dashboard(name):
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raise Exception('dashboard[%s] does not exist' % name)
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def create(self, name, data, overwrite=False):
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"""Create a new dashboard
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:param name: URL friendly title of the dashboard
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:type name: str
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:param data: Dashboard model
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:type data: dict
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:param overwrite: Overwrite existing dashboard with newer version or
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with the same dashboard title
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:type overwrite: bool
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:raises Exception: if dashboard already exists
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"""
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dashboard = {
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'dashboard': data,
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'overwrite': overwrite,
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}
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if not overwrite and self.is_dashboard(name):
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raise Exception('dashboard[%s] already exists' % name)
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res = self.session.post(
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self.url, data=json.dumps(dashboard))
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res.raise_for_status()
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self.assert_dashboard_exists(name)
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def get(self, name):
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"""Get a dashboard
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:param name: URL friendly title of the dashboard
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:type name: str
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:rtype: dict or None
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"""
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url = urljoin(self.url, name)
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try:
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res = self.session.get(url)
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res.raise_for_status()
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except exceptions.HTTPError:
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return None
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return res.json()
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def is_dashboard(self, name):
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"""Check if a dashboard exists
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:param name: URL friendly title of the dashboard
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:type name: str
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:returns: True if dashboard exists
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:rtype: bool
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"""
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res = self.get(name)
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if res and res['meta']['slug'] == name:
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return True
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return False
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