db/routines/vn/functions/diagnoseProductionFailure_dbFreeze.sql

@@ -1,5 +1,7 @@
 DELIMITER $$
-CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`diagnoseProductionFailure_dbFreeze`()
+CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`diagnoseProductionFailure_dbFreeze`()
+	RETURNS int(11)
+	DETERMINISTIC
 BEGIN
 /**
  * Comprueba si la db está congelada.
@@ -8,12 +10,11 @@ BEGIN
  */
 	DECLARE vHasError BOOL;
 
-	SELECT IF(COUNT(ID) > 5, TRUE, FALSE) INTO vHasError # Variable en tabla
+	SELECT IF(COUNT(ID) > 5, TRUE, FALSE) INTO vHasError
 		FROM information_schema.PROCESSLIST
 		WHERE COMMAND = 'Query'
 			AND `time` > 60; # Variable en tabla
 
-	INSERT INTO tmp.diagnoseProductionFailure
+	RETURN vHasError;
-		SELECT 'Base de datos congelada', vHasError;
 END$$
 DELIMITER ;

db/routines/vn/functions/diagnoseProductionFailure_dbGetLock.sql

@@ -1,5 +1,7 @@
 DELIMITER $$
-CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`diagnoseProductionFailure_dbGetLock`()
+CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `vn`.`diagnoseProductionFailure_dbGetLock`()
+	RETURNS int(11)
+	DETERMINISTIC
 BEGIN
 /**
  * Comprueba si la db está congelada.
@@ -7,14 +9,13 @@ BEGIN
  * @table tmp.diagnoseProductionFailure(message, hasError)
  */
 	DECLARE vHasError BOOL;
-
+	/* Bug: En local la tabla METADATA_LOCK_INFO no existe...
 	SELECT COUNT(*) INTO vHasError
 		FROM information_schema.METADATA_LOCK_INFO mli
 			JOIN information_schema.PROCESSLIST pl ON pl.ID = mli.THREAD_ID
 		WHERE mli.LOCK_MODE = 'MDL_SHARED_NO_WRITE'
 			AND pl.`time` > 30; # Variable en tabla
-
+	*/
-	INSERT INTO tmp.diagnoseProductionFailure
+	RETURN true; -- vHasError;
-		SELECT 'Get lock bloqueando para asignar colecciones', vHasError;
 END$$
 DELIMITER ;

db/routines/vn/procedures/diagnoseProductionFailure.sql

@@ -6,17 +6,61 @@ BEGIN
 /**
  * Comprueba si hay fallos en producción.
  */
+	DECLARE vDynSql VARCHAR(125);
+	DECLARE vSchema VARCHAR(64);
+	DECLARE vFunction VARCHAR(64);
+	DECLARE vParams VARCHAR(255);
+	DECLARE vMessage TEXT;
+	DECLARE vResolution TEXT;
+	DECLARE vDone BOOL;
+	DECLARE cFunctions CURSOR FOR
+		SELECT `schema`,
+				`function`,
+				params,
+				`message`,
+				resolution
+			FROM diagnoseProductionFailureQueue
+			ORDER BY `order`;
+
+	DECLARE CONTINUE HANDLER FOR NOT FOUND SET vDone = TRUE;
+
 	CREATE OR REPLACE TEMPORARY TABLE tmp.diagnoseProductionFailure (
 		`message` TEXT NOT NULL,
-		hasError TINYINT(1) NOT NULL
+		hasError TINYINT(1) NOT NULL,
+		`resolution` TEXT
 	);
 
-	CALL vn.diagnoseProductionFailure_dbFreeze();
+	OPEN cFunctions;
+	l: LOOP
+		SET vDone = FALSE;
+		FETCH cFunctions INTO
+			vSchema,
+			vFunction,
+			vParams,
+			vMessage,
+			vResolution;
 
-	CALL vn.diagnoseProductionFailure_dbGetLock();
+		IF vDone THEN
+			LEAVE l;
+		END IF;
+
+		SET vDynSql = CONCAT('SELECT ', vSchema, '.', vFunction, '() INTO @vHasError');
+		PREPARE stmt FROM vDynSql;
+		EXECUTE stmt;
+		DEALLOCATE PREPARE stmt;
+
+		INSERT INTO tmp.diagnoseProductionFailure
+			SELECT vMessage,
+				@vHasError,
+				IF (@vHasError,
+					vResolution,
+					NULL
+				);
+
+	END LOOP;
+	CLOSE cFunctions;
 
 	SELECT * FROM tmp.diagnoseProductionFailure;
-
 	DROP TEMPORARY TABLE tmp.diagnoseProductionFailure;
 END$$
 DELIMITER ;

db/versions/11067-brownLaurel/00-firstScript.sql

@@ -1,14 +1,15 @@
 CREATE TABLE `vn`.`diagnoseProductionFailureQueue` (
-	`schema` varchar(64) NOT NULL,
+  `schema` varchar(64) NOT NULL,
-	`procedure` varchar(64) NOT NULL,
+  `function` varchar(64) NOT NULL,
-	`params` varchar(255) DEFAULT NULL,
+  `params` varchar(255) DEFAULT NULL,
-	`order` int(11) DEFAULT NULL,
+  `order` int(11) DEFAULT NULL,
-	`message` text NOT NULL,
+  `message` text NOT NULL,
-	`resolution` text DEFAULT NULL,
+  `resolution` text DEFAULT NULL,
-	PRIMARY KEY (`schema`,`procedure`)
+  PRIMARY KEY (`schema`,`function`),
+  UNIQUE KEY `diagnoseProductionFailureQueue_unique` (`order`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci;
 
-CREATE TABLE `diagnoseProductionFailureConfig` (
+CREATE TABLE `vn`.`diagnoseProductionFailureConfig` (
   `id` int(11) NOT NULL,
   `dbFreezeMaxThreads` int(11) NOT NULL,
   `dbFreezeMaxTime` int(11) NOT NULL,
@@ -19,3 +20,8 @@ CREATE TABLE `diagnoseProductionFailureConfig` (
 
 INSERT IGNORE INTO vn.diagnoseProductionFailureConfig (id,dbFreezeMaxThreads,dbFreezeMaxTime,dbGetLockMaxTime)
 	VALUES (1, 5, 60, 30);
+
+INSERT IGNORE INTO vn.diagnoseProductionFailureQueue (`schema`,`function`,`order`,message,resolution) VALUES
+	('vn','diagnoseProductionFailure_dbFreeze',1,'Base de datos congelada','Esto es una prueba 1'),
+	('vn','diagnoseProductionFailure_dbGetLock',2,'Get lock bloqueando para asignar colecciones','Esto es una prueba 2');
+