d301e200fb
* Allow setting maxsize for PoolManager * Only customize maxsize if config is explicitly not set to None
333 lines
13 KiB
Python
333 lines
13 KiB
Python
# coding: utf-8
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"""
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Kubernetes
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First version Generated by: https://github.com/swagger-api/swagger-codegen
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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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http://www.apache.org/licenses/LICENSE-2.0
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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,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from __future__ import absolute_import
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import io
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import json
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import logging
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import re
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import ssl
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import certifi
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# python 2 and python 3 compatibility library
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from six import PY3
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from six.moves.urllib.parse import urlencode
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from .configuration import configuration
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try:
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import urllib3
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except ImportError:
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raise ImportError('Swagger python client requires urllib3.')
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logger = logging.getLogger(__name__)
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class RESTResponse(io.IOBase):
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def __init__(self, resp):
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self.urllib3_response = resp
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self.status = resp.status
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self.reason = resp.reason
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self.data = resp.data
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def getheaders(self):
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"""
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Returns a dictionary of the response headers.
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"""
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return self.urllib3_response.getheaders()
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def getheader(self, name, default=None):
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"""
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Returns a given response header.
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"""
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return self.urllib3_response.getheader(name, default)
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class RESTClientObject(object):
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def __init__(self, pools_size=4, config=configuration):
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# urllib3.PoolManager will pass all kw parameters to connectionpool
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# https://github.com/shazow/urllib3/blob/f9409436f83aeb79fbaf090181cd81b784f1b8ce/urllib3/poolmanager.py#L75
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# https://github.com/shazow/urllib3/blob/f9409436f83aeb79fbaf090181cd81b784f1b8ce/urllib3/connectionpool.py#L680
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# ca_certs vs cert_file vs key_file
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# http://stackoverflow.com/a/23957365/2985775
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# cert_reqs
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if config.verify_ssl:
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cert_reqs = ssl.CERT_REQUIRED
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else:
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cert_reqs = ssl.CERT_NONE
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# ca_certs
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if config.ssl_ca_cert:
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ca_certs = config.ssl_ca_cert
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else:
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# if not set certificate file, use Mozilla's root certificates.
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ca_certs = certifi.where()
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# cert_file
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cert_file = config.cert_file
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# key file
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key_file = config.key_file
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kwargs = {
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'num_pools': pools_size,
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'cert_reqs': cert_reqs,
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'ca_certs': ca_certs,
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'cert_file': cert_file,
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'key_file': key_file,
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}
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if config.connection_pool_maxsize is not None:
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kwargs['maxsize'] = config.connection_pool_maxsize
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if config.assert_hostname is not None:
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kwargs['assert_hostname'] = config.assert_hostname
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# https pool manager
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self.pool_manager = urllib3.PoolManager(
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**kwargs
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)
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def request(self, method, url, query_params=None, headers=None,
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body=None, post_params=None, _preload_content=True,
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_request_timeout=None):
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"""
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:param method: http request method
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:param url: http request url
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:param query_params: query parameters in the url
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:param headers: http request headers
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:param body: request json body, for `application/json`
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:param post_params: request post parameters,
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`application/x-www-form-urlencoded`
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and `multipart/form-data`
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:param _preload_content: if False, the urllib3.HTTPResponse object will
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be returned without reading/decoding response
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data. Default is True.
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:param _request_timeout: timeout setting for this request. If one
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number provided, it will be total request
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timeout. It can also be a pair (tuple) of
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(connection, read) timeouts.
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"""
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method = method.upper()
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assert method in ['GET', 'HEAD', 'DELETE', 'POST', 'PUT', 'PATCH',
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'OPTIONS']
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if post_params and body:
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raise ValueError(
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"body parameter cannot be used with post_params parameter."
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)
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post_params = post_params or {}
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headers = headers or {}
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timeout = None
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if _request_timeout:
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if isinstance(_request_timeout, (int, ) if PY3 else (int, long)):
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timeout = urllib3.Timeout(total=_request_timeout)
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elif (isinstance(_request_timeout, tuple) and
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len(_request_timeout) == 2):
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timeout = urllib3.Timeout(connect=_request_timeout[0],
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read=_request_timeout[1])
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if 'Content-Type' not in headers:
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headers['Content-Type'] = 'application/json'
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try:
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# For `POST`, `PUT`, `PATCH`, `OPTIONS`, `DELETE`
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if method in ['POST', 'PUT', 'PATCH', 'OPTIONS', 'DELETE']:
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if query_params:
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url += '?' + urlencode(query_params)
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if headers['Content-Type'] == 'application/json-patch+json':
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if not isinstance(body, list):
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headers['Content-Type'] = \
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'application/strategic-merge-patch+json'
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request_body = None
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if body:
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request_body = json.dumps(body)
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r = self.pool_manager.request(
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method, url, body=request_body,
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preload_content=_preload_content,
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timeout=timeout, headers=headers)
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elif re.search('json', headers['Content-Type'], re.IGNORECASE):
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request_body = None
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if body:
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request_body = json.dumps(body)
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r = self.pool_manager.request(
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method, url, body=request_body,
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preload_content=_preload_content, timeout=timeout,
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headers=headers)
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elif headers['Content-Type'] == \
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'application/x-www-form-urlencoded':
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r = self.pool_manager.request(
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method, url, fields=post_params,
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encode_multipart=False,
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preload_content=_preload_content, timeout=timeout,
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headers=headers)
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elif headers['Content-Type'] == 'multipart/form-data':
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# must del headers['Content-Type'], or the correct
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# Content-Type which generated by urllib3 will be
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# overwritten.
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del headers['Content-Type']
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r = self.pool_manager.request(
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method, url, fields=post_params, encode_multipart=True,
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preload_content=_preload_content, timeout=timeout,
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headers=headers)
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# Pass a `string` parameter directly in the body to support
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# other content types than Json when `body` argument is
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# provided in serialized form
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elif isinstance(body, str):
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request_body = body
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r = self.pool_manager.request(
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method, url, body=request_body,
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preload_content=_preload_content, timeout=timeout,
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headers=headers)
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else:
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# Cannot generate the request from given parameters
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msg = "Cannot prepare a request message for provided " \
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"arguments. \nPlease check that your arguments " \
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"match declared content type."
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raise ApiException(status=0, reason=msg)
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# For `GET`, `HEAD`
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else:
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r = self.pool_manager.request(method, url,
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fields=query_params,
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preload_content=_preload_content,
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timeout=timeout,
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headers=headers)
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except urllib3.exceptions.SSLError as e:
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msg = "{0}\n{1}".format(type(e).__name__, str(e))
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raise ApiException(status=0, reason=msg)
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if _preload_content:
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r = RESTResponse(r)
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# In the python 3, the response.data is bytes.
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# we need to decode it to string.
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if PY3:
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r.data = r.data.decode('utf8')
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# log response body
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logger.debug("response body: %s", r.data)
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if r.status not in range(200, 206):
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raise ApiException(http_resp=r)
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return r
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def GET(self, url, headers=None, query_params=None, _preload_content=True,
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_request_timeout=None):
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return self.request("GET", url,
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headers=headers,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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query_params=query_params)
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def HEAD(self, url, headers=None, query_params=None, _preload_content=True,
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_request_timeout=None):
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return self.request("HEAD", url,
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headers=headers,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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query_params=query_params)
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def OPTIONS(self, url, headers=None, query_params=None, post_params=None,
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body=None, _preload_content=True, _request_timeout=None):
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return self.request("OPTIONS", url,
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headers=headers,
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query_params=query_params,
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post_params=post_params,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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body=body)
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def DELETE(self, url, headers=None, query_params=None, body=None,
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_preload_content=True, _request_timeout=None):
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return self.request("DELETE", url,
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headers=headers,
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query_params=query_params,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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body=body)
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def POST(self, url, headers=None, query_params=None, post_params=None,
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body=None, _preload_content=True, _request_timeout=None):
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return self.request("POST", url,
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headers=headers,
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query_params=query_params,
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post_params=post_params,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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body=body)
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def PUT(self, url, headers=None, query_params=None, post_params=None,
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body=None, _preload_content=True, _request_timeout=None):
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return self.request("PUT", url,
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headers=headers,
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query_params=query_params,
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post_params=post_params,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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body=body)
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def PATCH(self, url, headers=None, query_params=None, post_params=None,
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body=None, _preload_content=True, _request_timeout=None):
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return self.request("PATCH", url,
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headers=headers,
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query_params=query_params,
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post_params=post_params,
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_preload_content=_preload_content,
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_request_timeout=_request_timeout,
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body=body)
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class ApiException(Exception):
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def __init__(self, status=None, reason=None, http_resp=None):
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if http_resp:
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self.status = http_resp.status
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self.reason = http_resp.reason
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self.body = http_resp.data
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self.headers = http_resp.getheaders()
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else:
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self.status = status
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self.reason = reason
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self.body = None
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self.headers = None
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def __str__(self):
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"""
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Custom error messages for exception
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"""
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error_message = "({0})\n"\
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"Reason: {1}\n".format(self.status, self.reason)
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if self.headers:
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error_message += "HTTP response headers: {0}\n"\
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.format(self.headers)
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if self.body:
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error_message += "HTTP response body: {0}\n".format(self.body)
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return error_message
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