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# Copyright 2018 Intel Corporation, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import requests
import requests.exceptions
import urlparse
name = "onap-sms-client"
class InvalidRequestException(Exception):
pass
class InternalServerError(Exception):
pass
class UnexpectedError(Exception):
pass
class Client(object):
"""Python Client for Secret Management Service"""
def __init__(self, url='http://localhost:10443', timeout=30, cacert=None):
"""Creates a new SMS client instance
Args:
url (str): Base URL with port pointing to the SMS service
timeout (int): Number of seconds before aborting the connection
cacert (str): Path to the cacert that will be used to verify
If this is None, verify will be False and the server cert
is not verified by the client.
Returns:
A Client object which can be used to interact with SMS service
"""
self.base_url = url
self.timeout = timeout
self.cacert = cacert
self.session = requests.Session()
self._base_api_url = '/v1/sms'
def _urlJoin(self, *urls):
"""Joins given urls into a single url
Args:
urls (str): url fragments to be combined.
Returns:
str: Joined URL
"""
return '/'.join(urls)
def _raiseException(self, statuscode, errors=None):
""" Handles Exception Raising based on statusCode
Args:
statuscode (int): status code returned by the server
errors (str): list of strings containing error messages
Returns:
exception: An exception is raised based on error message
"""
if statuscode == 400:
raise InvalidRequestException(errors)
if statuscode == 500:
raise InternalServerError(errors)
raise UnexpectedError(errors)
def _request(self, method, url, headers=None, **kwargs):
"""Handles request for all the client methods
Args:
method (str): type of HTTP method (get, post or delete).
url (str): api URL.
headers (dict): custom headers if any.
**kwargs: various args supported by requests library
Returns:
requests.Response: An object containing status_code and returned
json data is returned here.
"""
if headers is None:
headers = {
'content-type': "application/json",
'Accept': "application/json"
}
# Verify the server or not based on the cacert argument
if self.cacert is None:
verify = False
else:
verify = self.cacert
url = urlparse.urljoin(self.base_url, url)
response = self.session.request(method, url, headers=headers,
allow_redirects=False, verify=verify,
timeout=self.timeout, **kwargs)
errors = None
if response.status_code >= 400 and response.status_code < 600:
# Request Failed. Raise Exception.
errors = response.text
self._raiseException(response.status_code, errors)
return response
def getStatus(self):
"""Returns Status of SMS Service
Returns:
bool: True or False depending on if SMS Service is ready.
"""
url = self._urlJoin(self._base_api_url, 'quorum', 'status')
response = self._request('get', url)
return response.json()['sealstatus']
def createDomain(self, domainName):
"""Creates a Secret Domain
Args:
domainName (str): Name of the secret domain to create
Returns:
string: UUID of the created domain name
"""
domainName = domainName.strip()
data = {"name": domainName}
url = self._urlJoin(self._base_api_url, 'domain')
response = self._request('post', url, json=data)
return response.json()['uuid']
def deleteDomain(self, domainName):
"""Deletes a Secret Domain
Args:
domainName (str): Name of the secret domain to delete
Returns:
bool: True. An exception will be raised if delete failed.
"""
domainName = domainName.strip()
url = self._urlJoin(self._base_api_url, 'domain', domainName)
self._request('delete', url)
return True
def getSecretNames(self, domainName):
"""Get all Secret Names in Domain
Args:
domainName (str): Name of the secret domain
Returns:
string[]: List of strings each corresponding to a
Secret's Name in this Domain.
"""
domainName = domainName.strip()
url = self._urlJoin(self._base_api_url, 'domain', domainName,
'secret')
response = self._request('get', url)
return response.json()['secretnames']
def storeSecret(self, domainName, secretName, values):
"""Store a Secret in given Domain
Args:
domainName (str): Name of the secret domain
secretName (str): Name for the Secret
values (dict): A dict containing name-value pairs which
form the secret
Returns:
bool: True. An exception will be raised if store failed.
"""
domainName = domainName.strip()
secretName = secretName.strip()
url = self._urlJoin(self._base_api_url, 'domain', domainName,
'secret')
if not isinstance(values, dict):
raise TypeError('Input values is not a dictionary')
data = {"name": secretName, "values": values}
self._request('post', url, json=data)
return True
def getSecret(self, domainName, secretName):
"""Get a particular Secret from Domain.
Args:
domainName (str): Name of the secret domain
secretName (str): Name of the secret
Returns:
dict: dictionary containing the name-value pairs
which form the secret
"""
domainName = domainName.strip()
secretName = secretName.strip()
url = self._urlJoin(self._base_api_url, 'domain', domainName,
'secret', secretName)
response = self._request('get', url)
return response.json()['values']
def deleteSecret(self, domainName, secretName):
"""Delete a particular Secret from Domain.
Args:
domainName (str): Name of the secret domain
secretName (str): Name of the secret
Returns:
bool: True. An exception will be raised if delete failed.
"""
domainName = domainName.strip()
secretName = secretName.strip()
url = self._urlJoin(self._base_api_url, 'domain', domainName,
'secret', secretName)
self._request('delete', url)
return True
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