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path: root/lib/ansible/module_utils/azure_rm_common_rest.py
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# Copyright (c) 2018 Zim Kalinowski, <zikalino@microsoft.com>
#
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from ansible.module_utils.ansible_release import __version__ as ANSIBLE_VERSION

try:
    from msrestazure.azure_exceptions import CloudError
    from msrestazure.azure_configuration import AzureConfiguration
    from msrest.service_client import ServiceClient
    from msrest.pipeline import ClientRawResponse
    from msrest.polling import LROPoller
    from msrestazure.polling.arm_polling import ARMPolling
    import uuid
    import json
except ImportError:
    # This is handled in azure_rm_common
    AzureConfiguration = object

ANSIBLE_USER_AGENT = 'Ansible/{0}'.format(ANSIBLE_VERSION)


class GenericRestClientConfiguration(AzureConfiguration):

    def __init__(self, credentials, subscription_id, base_url=None):

        if credentials is None:
            raise ValueError("Parameter 'credentials' must not be None.")
        if subscription_id is None:
            raise ValueError("Parameter 'subscription_id' must not be None.")
        if not base_url:
            base_url = 'https://management.azure.com'

        super(GenericRestClientConfiguration, self).__init__(base_url)

        self.add_user_agent(ANSIBLE_USER_AGENT)

        self.credentials = credentials
        self.subscription_id = subscription_id


class GenericRestClient(object):

    def __init__(self, credentials, subscription_id, base_url=None):
        self.config = GenericRestClientConfiguration(credentials, subscription_id, base_url)
        self._client = ServiceClient(self.config.credentials, self.config)
        self.models = None

    def query(self, url, method, query_parameters, header_parameters, body, expected_status_codes, polling_timeout, polling_interval):
        # Construct and send request
        operation_config = {}

        request = None

        if header_parameters is None:
            header_parameters = {}

        header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())

        if method == 'GET':
            request = self._client.get(url, query_parameters)
        elif method == 'PUT':
            request = self._client.put(url, query_parameters)
        elif method == 'POST':
            request = self._client.post(url, query_parameters)
        elif method == 'HEAD':
            request = self._client.head(url, query_parameters)
        elif method == 'PATCH':
            request = self._client.patch(url, query_parameters)
        elif method == 'DELETE':
            request = self._client.delete(url, query_parameters)
        elif method == 'MERGE':
            request = self._client.merge(url, query_parameters)

        response = self._client.send(request, header_parameters, body, **operation_config)

        if response.status_code not in expected_status_codes:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp
        elif response.status_code == 202 and polling_timeout > 0:
            def get_long_running_output(response):
                return response
            poller = LROPoller(self._client,
                               ClientRawResponse(None, response),
                               get_long_running_output,
                               ARMPolling(polling_interval, **operation_config))
            response = self.get_poller_result(poller, polling_timeout)

        return response

    def get_poller_result(self, poller, timeout):
        try:
            poller.wait(timeout=timeout)
            return poller.result()
        except Exception as exc:
            raise