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datasource.py
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323 lines (290 loc) · 11.8 KB
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import json
from alpine.exception import *
from alpine.alpineobject import AlpineObject
class DataSource(AlpineObject):
def __init__(self, base_url=None, session=None, token = None):
super(DataSource, self).__init__(base_url, session, token)
###--- DB Data Source Functions ---###
def get_db_data_source_list(self, per_page=100):
"""
:param per_page:
:return:
"""
datasource_list = None
url = "{0}/data_sources".format(self.base_url)
url = self._add_token_to_url(url)
self.logger.debug("Getting list of Database data sources from {0}".format(url))
page_current = 0
while True:
payload = {
"all": True,
"per_page": per_page,
"page": page_current + 1,
}
datasource_list_response = self.session.get(url, params=payload, verify=False).json()
page_total = datasource_list_response['pagination']['total']
page_current = datasource_list_response['pagination']['page']
if datasource_list:
datasource_list.extend(datasource_list_response['response'])
else:
datasource_list = datasource_list_response['response']
if page_total == page_current:
break
return datasource_list
def get_db_data_source_info(self, name):
"""
:param name:
:return:
"""
ds_list = self.get_db_data_source_list()
for db_ds in ds_list:
if db_ds['name'] == name:
return db_ds
raise DataSourceNotFoundException("Datasource {0} is not found.".format(name))
def get_db_data_source_id(self, name):
"""
:param name:
:return:
"""
ds = self.get_db_data_source_info(name)
return ds['id']
def add_greenplum_data_source(self, name, description, host_name, port, db_name, db_username, db_password,
share_type=False, public=True, ssl=False, state="online"):
"""
:param name:
:param description:
:param host_name:
:param port:
:param db_name:
:param db_username:
:param db_password:
:param share_type:
:param public:
:param ssl:
:param state:
:return:
"""
db_type = "gpdb_data_source"
return self._add_db_data_source(db_type, name, description, host_name, port, db_name, db_username, db_password,
share_type, public, ssl, state)
def add_postgres_data_source(self, name, description, host_name, port, db_name, db_username, db_password,
share_type=False, public=True, ssl=False, state="online"):
"""
:param name:
:param description:
:param host_name:
:param port:
:param db_name:
:param db_username:
:param db_password:
:param share_type:
:param public:
:param ssl:
:param state:
:return:
"""
db_type = "pg_data_source"
return self._add_db_data_source(db_type, name, description, host_name, port, db_name, db_username, db_password,
share_type, public, ssl, state)
def _add_db_data_source(self, db_type, name, description, host_name, port, db_name, db_username, db_password,
share_type=False, public=True, ssl=False, state="online",
disable_kerberos_impersonation=False, high_availability=False):
"""
Test
:param db_type:
:param name:
:param description:
:param host_name:
:param port:
:param db_name:
:param db_username:
:param db_password:
:param share_type:
:param public:
:param ssl:
:param state:
:param disable_kerberos_impersonation:
:param high_availability:
:return:
"""
url = "{0}/data_sources".format(self.base_url)
url = self._add_token_to_url(url)
payload = {"name": name,
"entity_type": db_type,
"description": description,
"host": host_name,
"port": port,
"db_name": db_name,
"db_username": db_username,
"db_password": db_password,
"shared": str(share_type),
"public": str(public),
"state": str(state),
"ssl": str(ssl),
"disable_kerberos_impersonation": disable_kerberos_impersonation,
"high_availability": high_availability
}
self.logger.debug("POSTING payload:...{0}...to {1}".format(payload, url))
response = self.session.post(url, data=payload, verify=False)
self.logger.debug("Received response ode {0} with reason {1}...".format(response.status_code, response.reason))
return response.json()['response']
def delete_db_data_source(self, name):
"""
:param name:
:return:
"""
data_source_id = self.get_db_data_source_id(name)
url = "{0}/data_sources/{1}".format(self.base_url, data_source_id)
url = self._add_token_to_url(url)
self.logger.debug("DELETing data source {0}".format(name))
response = self.session.delete(url)
self.logger.debug("Received response code {0} with reason {1}".format(response.status_code, response.reason))
return response
def delete_db_data_source_if_exists(self, name):
"""
:param name:
:return:
"""
try:
self.delete_db_data_source(name)
except DataSourceNotFoundException:
self.logger.debug("Data source {0} not found, we don't need to delete it".format(name))
###--- Hadoop Data Sources ---###
def get_hadoop_data_source_list(self, per_page=100):
"""
:param per_page:
:return:
"""
datasource_list = None
url = "{0}/hdfs_data_sources".format(self.base_url)
url = self._add_token_to_url(url)
self.logger.debug("Getting list of HDFS data sources from {0}".format(url))
page_current = 0
while True:
payload = {
"per_page": per_page,
"page": page_current + 1,
}
datasource_list_response = self.session.get(url, data=json.dumps(payload), verify=False).json()
page_total = datasource_list_response['pagination']['total']
page_current = datasource_list_response['pagination']['page']
if datasource_list:
datasource_list.extend(datasource_list_response['response'])
else:
datasource_list = datasource_list_response['response']
if page_total == page_current:
break
return datasource_list
def get_hadoop_data_source_info(self, name):
"""
:param name:
:return:
"""
ds_list = self.get_hadoop_data_source_list()
for db_ds in ds_list:
if db_ds['name'] == name:
return db_ds
raise DataSourceNotFoundException("HDFS Datasource {0} is not found.".format(name))
def get_hadoop_data_source_id(self, name):
"""
:param name:
:return:
"""
ds = self.get_hadoop_data_source_info(name)
return ds['id']
def add_hadoop_data_source(self, hadoop_version, name, description, name_node_host, namenode_port,
resource_manager_host, resource_manager_port, username, group_list,
connection_parameters,
share_type=False, public=True, state="online", high_availability=False,
use_kerberos=False, disable_kerberos_impersonation=False, ssl=False):
"""
:param hadoop_version:
:param name:
:param description:
:param name_node_host:
:param namenode_port:
:param resource_manager_host:
:param resource_manager_port:
:param username:
:param group_list:
:param connection_parameters:
:param share_type:
:param public:
:param state:
:param high_availability:
:param use_kerberos:
:param disable_kerberos_impersonation:
:param ssl:
:return:
"""
self.session.headers.update({"Content-Type": "application/json"}) # Set special header for this post
url = "{0}/hdfs_data_sources".format(self.base_url)
url = self._add_token_to_url(url)
payload = {"name": name,
"hdfs_version": hadoop_version,
"description": description,
"host": name_node_host,
"port": str(namenode_port),
"job_tracker_host": resource_manager_host,
"job_tracker_port": str(resource_manager_port),
"username": username,
"group_list": group_list,
"high_availability": high_availability,
"shared": share_type,
"connection_parameters": connection_parameters,
"state": state,
"public": public,
"uses_kerberos": use_kerberos,
"disable_kerberos_impersonation": disable_kerberos_impersonation,
"third_party_security_enabled": False, #TODO
"ssl": ssl
}
self.logger.debug("POSTING payload:...{0}...to {1}".format(payload, url))
payload = json.dumps(payload)
response = self.session.post(url, data=payload, verify=False)
self.logger.debug("Received response ode {0} with reason {1}...".format(response.status_code, response.reason))
self.session.headers.pop("Content-Type") # Remove header, as it affects other functions
return response.json()['response']
def delete_hadoop_data_source(self, name):
"""
:param name:
:return:
"""
data_source_id = self.get_hadoop_data_source_id(name)
url = "{0}/hdfs_data_sources/{1}".format(self.base_url, data_source_id)
url = self._add_token_to_url(url)
self.logger.debug("Deleting data source {0}".format(name))
response = self.session.delete(url)
self.logger.debug("Received response code {0} with reason {1}".format(response.status_code, response.reason))
return response
def delete_hadoop_data_source_if_exists(self, name):
"""
:param name:
:return:
"""
try:
return self.delete_hadoop_data_source(name)
except DataSourceNotFoundException:
self.logger.debug("Data source {0} not found, we don't need to delete it".format(name))
def get_database_list(self, data_source_id, per_page=100):
database_list = None
url = "{0}/data_sources/{1}/databases".format(self.base_url, data_source_id)
url = self._add_token_to_url(url)
self.logger.debug("Getting list of Database from {0}".format(url))
page_current = 0
while True:
payload = {
"all": True,
"per_page": per_page,
"page": page_current + 1,
}
database_list_response = self.session.get(url, params=payload, verify=False).json()
page_total = database_list_response['pagination']['total']
page_current = database_list_response['pagination']['page']
if database_list:
database_list.extend(database_list_response['response'])
else:
database_list = database_list_response['response']
if page_total == page_current:
break
return database_list