Added get_dashboard method (#1109)

* Added request_current_index_from_node method and docs for the cluster methods

* Added description to docs for method get_cluster_all_nodes

* Added get_dashboard method. Ability to get dashboard by ID.

* Fix resource_url for get_dashboard method

atlassian/jira.py

@@ -649,6 +649,16 @@ def get_dashboards(self, filter="", start=0, limit=10):
         url = self.resource_url("dashboard")
         return self.get(url, params=params)
 
+    def get_dashboard(self, dashboard_id):
+        """
+        Returns a single dashboard
+
+        :param dashboard_id: Dashboard ID Int
+        :return:
+        """
+        url = self.resource_url("dashboard/{dashboard_id}".format(dashboard_id=dashboard_id))
+        return self.get(url)
+
     """
     Filters. Resource for searches
     Reference: https://docs.atlassian.com/software/jira/docs/api/REST/8.5.0/#api/2/filter

docs/jira.rst

@@ -293,6 +293,15 @@ Manage Boards
     # Add/Move Issues to sprint
     jira.add_issues_to_sprint(sprint_id, issues_list)
 
+
+Manage dashboards
+-----------------
+
+.. code-block:: python
+
+    # Get dashboard by ID
+    jira.get_dashboard(dashboard_id)
+
 Attachments actions
 -------------------