mistercrunch commented on a change in pull request #3652: Authentication:
Enable user impersonation for Superset to HiveServer2 using
hive.server2.proxy.user (a.fernandez)
URL:
https://github.com/apache/incubator-superset/pull/3652#discussion_r144464156
##########
File path: superset/db_engine_specs.py
##########
@@ -830,6 +854,34 @@ def _partition_query(
cls, table_name, limit=0, order_by=None, filters=None):
return "SHOW PARTITIONS {table_name}".format(**locals())
+ @classmethod
+ def modify_url_for_impersonation(cls, url, impersonate_user, username):
+ """
+ Modify the SQL Alchemy URL object with the user to impersonate if
applicable.
+ :param url: SQLAlchemy URL object
+ :param impersonate_user: Bool indicating if impersonation is enabled
+ :param username: Effective username
+ """
+ if impersonate_user is True and "auth" in url.query.keys() and
username is not None:
+ url.query["hive_server2_proxy_user"] = username
+
+ @classmethod
+ def get_uri_for_impersonation(cls, uri, impersonate_user, username):
+ """
+ Return a new URI string that allows for user impersonation.
+ :param uri: URI string
+ :param impersonate_user: Bool indicating if impersonation is enabled
+ :param username: Effective username
+ :return: New URI string
+ """
+ new_uri = uri
+ url = make_url(uri)
+ backend_name = url.get_backend_name()
+
+ # Must be Hive connection, enable impersonation, and set param
auth=LDAP|KERBEROS
+ if backend_name == "hive" and "auth" in url.query.keys() and
impersonate_user is True and username is not None:
Review comment:
Some very long lines here. PEP8 says 80, our pylint say 90. If you want to
lint your PR only you can `git diff master... | flake8 --diff` thought that's
flake8 not pylint. There's also `git-lint` which can lint your diff as well.
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