fix(inputs.sqlserver): Suppress error on secondary replicas (#12528)

plugins/inputs/sqlserver/azuresqlmanagedqueries.go

@@ -453,7 +453,8 @@ END
 
 
 
-SELECT
+BEGIN TRY
+	SELECT
 		 [measurement],[sql_instance],[database_name],[session_id]
 		,ISNULL([request_id],0) AS [request_id]
 		,[blocking_session_id],[status],[cpu_time_ms]
@@ -466,7 +467,7 @@ SELECT
 		,[stmt_db_name],[query_hash],[query_plan_hash]
 		,replica_updateability
 		,[session_db_name],[open_transaction]
-FROM (
+	FROM (
 		SELECT	
 			'sqlserver_requests' AS [measurement]
 			,REPLACE(@@SERVERNAME,'\',':') AS [sql_instance]
@@ -520,8 +521,8 @@ FROM (
 		LEFT OUTER JOIN sys.dm_exec_requests AS r 
 			ON s.[session_id] = r.[session_id]
 		OUTER APPLY sys.dm_exec_sql_text(r.[sql_handle]) AS qt
-) AS data
-WHERE
+	) AS data
+	WHERE
 		   [blocking_or_blocked] > 1 --Always include blocking or blocked sessions/requests
 		OR [open_transaction] >= 1   --Always include sessions with open transactions
 		OR (
@@ -532,7 +533,12 @@ WHERE
 			)
 			AND [session_id] <> @@SPID
 		)  
-OPTION(MAXDOP 1);
+	OPTION(MAXDOP 1);
+END TRY
+BEGIN CATCH
+    IF (ERROR_NUMBER() <> 976) --Avoid possible errors from secondary replica
+        THROW; 
+END CATCH
 `
 
 const sqlAzureMISchedulers string = `

plugins/inputs/sqlserver/sqlqueriesV2.go

@@ -1328,7 +1328,13 @@ WHERE 1 = 1
 	OR  (s.session_id IN (SELECT blocking_session_id FROM #blockingSessions))
 OPTION(MAXDOP 1)'
 
-EXEC sp_executesql @SqlStatement
+BEGIN TRY
+	EXEC sp_executesql @SqlStatement
+END TRY
+BEGIN CATCH
+   IF (ERROR_NUMBER() <> 976) --Avoid possible errors from secondary replica
+        THROW; 
+END CATCH
 `
 
 const sqlServerVolumeSpaceV2 string = `

plugins/inputs/sqlserver/sqlserverqueries.go

@@ -1139,7 +1139,13 @@ WHERE
 	)
 OPTION(MAXDOP 1)'
 
-EXEC sp_executesql @SqlStatement
+BEGIN TRY
+	EXEC sp_executesql @SqlStatement
+END TRY
+BEGIN CATCH
+   IF (ERROR_NUMBER() <> 976) --Avoid possible errors from secondary replica
+        THROW; 
+END CATCH
 `
 
 const sqlServerVolumeSpace string = `