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From GitBox <...@apache.org>
Subject [GitHub] q2w closed pull request #3682: [AIRFLOW-2841] HttpsHook support for airflow
Date Thu, 02 Aug 2018 10:04:26 GMT
q2w closed pull request #3682:  [AIRFLOW-2841] HttpsHook support for airflow
URL: https://github.com/apache/incubator-airflow/pull/3682
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):

diff --git a/airflow/hooks/https_hook.py b/airflow/hooks/https_hook.py
new file mode 100644
index 0000000000..28b27880fd
--- /dev/null
+++ b/airflow/hooks/https_hook.py
@@ -0,0 +1,109 @@
+# -*- coding: utf-8 -*-
+#
+# 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.
+from builtins import str
+import logging
+
+import requests
+
+from airflow.hooks.base_hook import BaseHook
+from airflow.exceptions import AirflowException
+
+
+class HttpsHook(BaseHook):
+    """
+    Interact with HTTPS servers.
+    """
+
+    def __init__(self, method='POST', https_conn_id='https_default'):
+        self.https_conn_id = https_conn_id
+        self.method = method
+
+    # headers is required to make it required
+    def get_conn(self, headers):
+        """
+        Returns https session for use with requests
+        """
+        conn = self.get_connection(self.https_conn_id)
+        session = requests.Session()
+        self.base_url = conn.host
+        if not self.base_url.startswith('https'):
+            self.base_url = 'https://' + self.base_url
+
+        if conn.port:
+            self.base_url = self.base_url + ":" + str(conn.port) + "/"
+        if conn.login:
+            session.auth = (conn.login, conn.password)
+        if headers:
+            session.headers.update(headers)
+
+        return session
+
+    def run(self, endpoint, data=None, headers=None, extra_options=None):
+        """
+        Performs the request
+        """
+        extra_options = extra_options or {}
+
+        session = self.get_conn(headers)
+
+        url = self.base_url + endpoint
+        req = None
+        if self.method == 'GET':
+            # GET uses params
+            req = requests.Request(self.method,
+                                   url,
+                                   params=data,
+                                   headers=headers)
+        else:
+            # Others use data
+            req = requests.Request(self.method,
+                                   url,
+                                   data=data,
+                                   headers=headers)
+
+        prepped_request = session.prepare_request(req)
+        logging.info("Sending '" + self.method + "' to url: " + url)
+        return self.run_and_check(session, prepped_request, extra_options)
+
+    def run_and_check(self, session, prepped_request, extra_options):
+        """
+        Grabs extra options like timeout and actually runs the request,
+        checking for the result
+        """
+        extra_options = extra_options or {}
+
+        response = session.send(
+            prepped_request,
+            stream=extra_options.get("stream", False),
+            verify=extra_options.get("verify", False),
+            proxies=extra_options.get("proxies", {}),
+            cert=extra_options.get("cert"),
+            timeout=extra_options.get("timeout"),
+            allow_redirects=extra_options.get("allow_redirects", True))
+
+        try:
+            response.raise_for_status()
+        except requests.exceptions.HTTPError:
+            # Tried rewrapping, but not supported. This way, it's possible
+            # to get reason and code for failure by checking first 3 chars
+            # for the code, or do a split on ':'
+            logging.error("HTTPS error: " + response.reason)
+            if self.method != 'GET':
+                # The sensor uses GET, so this prevents filling up the log
+                # with the body every time the GET 'misses'.
+                # That's ok to do, because GETs should be repeatable and
+                # all data should be visible in the log (no post data)
+                logging.error(response.text)
+            raise AirflowException(str(response.status_code) + ":" + response.reason)
+        return response


 

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