Adjust vm latests values to be second to last day (#5385)

koku/masu/database/sql/openshift/reporting_ocp_vm_summary_p.sql

@@ -4,16 +4,25 @@ WHERE usage_start >= {{start_date}}::date
     AND source_uuid = {{source_uuid}}
 ;
 
-WITH cte_latest_resources AS (
+WITH second_to_last_day AS (
+    SELECT DISTINCT usage_start::date AS day
+    FROM reporting_ocpusagelineitem_daily_summary
+    WHERE usage_start >= {{start_date}}::date
+        AND usage_start <= {{end_date}}::date
+        AND source_uuid = {{source_uuid}}
+        AND pod_request_cpu_core_hours IS NOT NULL
+    ORDER BY day DESC
+    OFFSET 1 LIMIT 1  -- Get the second-to-last day
+),
+cte_latest_resources AS (
     SELECT DISTINCT ON (vm_name)
         all_labels->>'vm_kubevirt_io_name' AS vm_name,
         pod_request_cpu_core_hours AS cpu_request_hours,
         pod_request_memory_gigabyte_hours AS memory_request_hours,
         node as node_name,
         pod_labels as labels
     FROM {{schema | sqlsafe}}.reporting_ocpusagelineitem_daily_summary
-    WHERE usage_start >= {{start_date}}::date
-        AND usage_start <= {{end_date}}::date
+    WHERE usage_start::date = (SELECT day FROM second_to_last_day)
         AND pod_request_cpu_core_hours IS NOT NULL
         AND all_labels ? 'vm_kubevirt_io_name'
     ORDER BY vm_name, usage_start DESC