Added request_current_index_from_node method and docs (#1079)

* Added request_current_index_from_node method and docs for the cluster methods

* Added description to docs for method get_cluster_all_nodes

Author: SLRover

atlassian/jira.py

@@ -311,6 +311,15 @@ def get_cluster_alive_nodes(self):
         """
         return [_ for _ in self.get_cluster_all_nodes() if _["alive"]]
 
+    def request_current_index_from_node(self, node_id):
+        """
+        Request current index from node (the request is processed asynchronously)
+        :return:
+        """
+        base_url = self.resource_url("cluster/index-snapshot")
+        url = f"{base_url}/{node_id}"
+        return self.put(url)
+
     """
     Troubleshooting. (Available for DC) It gives the posibility to download support zips.
     Reference: https://confluence.atlassian.com/support/create-a-support-zip-using-the-rest-api-in-data-center-applications-952054641.html

docs/jira.rst

@@ -364,6 +364,16 @@ Issue security schemes
     # Use only_levels=True for get the only levels entries
     jira.get_issue_security_scheme(scheme_id, only_levels=False)
 
+Cluster methods (only for DC edition)
+----------------------
+.. code-block:: python
+
+    # Get all cluster nodes.
+    jira.get_cluster_all_nodes()
+
+    # Request current index from node (the request is processed asynchronously).
+    jira.request_current_index_from_node(node_id)
+
 TEMPO
 ----------------------
 .. code-block:: python