Add methods for datalake backup (#84)

* Add methods for datalake backup
* Add methods for datalake restore

Signed-off-by: Jim Enright <jenright@cloudera.com>

Author: jimright

src/cdpy/datalake.py

@@ -39,3 +39,50 @@ def describe_all_datalakes(self, environment_name=None):
         if datalakes_listing:
             return [self.describe_datalake(datalake['datalakeName']) for datalake in datalakes_listing]
         return datalakes_listing
+
+    def create_datalake_backup(self, datalake_name, backup_name=None, backup_location=None,
+                               close_db_connections=None, skip_atlas_indexes=None, skip_atlas_metadata=None,
+                               skip_ranger_audits=None, skip_ranger_hms_metadata=None,
+                               skip_validation=None, validation_only=None):
+        return self.sdk.call(
+            svc='datalake', func='backup_datalake', squelch=[],
+            datalakeName=datalake_name, backupName=backup_name,
+            backupLocation=backup_location, closeDbConnections=close_db_connections,
+            skipAtlasIndexes=skip_atlas_indexes, skipAtlasMetadata=skip_atlas_metadata,
+            skipRangerAudits=skip_ranger_audits, skipRangerHmsMetadata=skip_ranger_hms_metadata,
+            skipValidation=skip_validation, validationOnly=validation_only
+        )
+
+    def check_datalake_backup_status(self, datalake_name, backup_id=None, backup_name=None):
+        return self.sdk.call(
+            svc='datalake', func='backup_datalake_status',
+            squelch=[Squelch('NOT_FOUND'), Squelch('UNKNOWN')
+                     ],
+            datalakeName=datalake_name, backupId=backup_id, backupName=backup_name
+        )
+
+    def list_datalake_backups(self, datalake_name):
+        return self.sdk.call(
+            svc='datalake', func='list_datalake_backups',
+            squelch=[Squelch('NOT_FOUND'), Squelch('UNKNOWN')
+                     ],
+            datalakeName=datalake_name
+        )
+
+    def restore_datalake_backup(self, datalake_name, backup_name=None, backup_id=None, backup_location_override=None, skip_atlas_indexes=None, skip_atlas_metadata=None, skip_ranger_audits=None, skip_ranger_hms_metadata=None, skip_validation=None, validation_only=None):
+        return self.sdk.call(
+            svc='datalake', func='restore_datalake', squelch=[],
+            datalakeName=datalake_name, backupName=backup_name,
+            backupId=backup_id, backupLocationOverride=backup_location_override,
+            skipAtlasIndexes=skip_atlas_indexes, skipAtlasMetadata=skip_atlas_metadata,
+            skipRangerAudits=skip_ranger_audits, skipRangerHmsMetadata=skip_ranger_hms_metadata,
+            skipValidation=skip_validation, validationOnly=validation_only
+        )        
+
+    def check_datalake_restore_status(self, datalake_name, restore_id=None):
+        return self.sdk.call(
+            svc='datalake', func='restore_datalake_status',
+            squelch=[Squelch('NOT_FOUND'), Squelch('UNKNOWN')
+                     ],
+            datalakeName=datalake_name, restoreId=restore_id
+        )