Merge pull request 'refs #8140 fix cron and scheduler-log script' (!67) from 8140-fixSchedulerLog into main

Reviewed-on: #67
Reviewed-by: Xavi Lleó <xavi@verdnatura.es>

roles/db/files/scheduler-log.cron

@@ -0,0 +1 @@
+*/30 *  * * *  root  /root/scripts/scheduler-log.sh

roles/db/files/scripts/scheduler-log.sh

@@ -3,7 +3,9 @@ set -e
 
 logFile="/var/log/mysql/error.log"
 dateFile="/tmp/mysql_scheduler_log-lastdate"
-logTable="util.eventLog"
+logSchema="util"
+logTable="eventLog"
+pattern='^\d{4}-\d{2}-\d{2}\s+\d{1,2}:\d{2}:\d{2}\s+\d+\s+\[ERROR\] Event Scheduler:'
 purgeDays=30
 
 quote() {
@@ -17,33 +19,55 @@ if [ "$?" -ne "0" ]; then
 	exit
 fi
 
-if [ -f "$dateFile" ]; then
-	fromDate=$(cat "$dateFile")
-else
-	fromDate=0
+tableExists=$(mysql -Ns -e "SHOW TABLES FROM $logSchema LIKE '$logTable'")
+
+if [ -z "$tableExists" ]; then
+	mysql <<-EOF
+		CREATE SCHEMA IF NOT EXISTS $logSchema;
+		CREATE TABLE $logSchema.$logTable (
+			id int(11) NOT NULL AUTO_INCREMENT,
+			date datetime NOT NULL,
+			event varchar(512) NOT NULL,
+			error varchar(1024) NOT NULL,
+			PRIMARY KEY (id),
+			KEY date (date)
+		) ENGINE=InnoDB COMMENT='Event scheduler error log';
+	EOF
 fi
 
-lastDate=$(tail -n1 "$logFile" | awk '{print $1" "$2}')
-toDate=$(date +%s -d "$lastDate")
+if [ -f "$dateFile" ]; then
+	read -r fromDate < "$dateFile"
+else
+	fromDate=$(date -d "-$purgeDays days" +%s)
+fi
 
-awk -v fromDate="$fromDate" -v toDate="$toDate" '{
+toDate=$(date +%s)
+
+grep -P "$pattern" "$logFile" | awk -v fromDate="$fromDate" -v toDate="$toDate" '{
 	split($1, date, "-");
 	split($2, time, ":");
 	timestamp = mktime(date[1]" "date[2]" "date[3]" "time[1]" "time[2]" "time[3])
-	if (timestamp >= fromDate && timestamp < toDate && $4" "$5" "$6 == "[ERROR] Event Scheduler:") {
+	if (timestamp >= fromDate && timestamp < toDate) {
 		printf $1" "$2" "$7;
 		for (i=8; i<=NF; i++) printf FS $i ;
 		print "";
 	}
-}' "$logFile" | \
-\
+}' | \
 while read line; do
 	date="$(echo "$line" | cut -d' ' -f1,2)"
 	event="$(echo "$line" | cut -d' ' -f3)"
 	error="$(echo "$line" | cut -d' ' -f4-)"
-	echo "INSERT INTO $logTable (date, event, error)" \
-		"VALUES ($(quote "$date"), $(quote "$event"), $(quote "$error"))" | mysql
+
+	mysql <<-EOF
+		INSERT INTO $logSchema.$logTable SET
+			date = $(quote "$date"),
+			event = $(quote "$event"),
+			error = $(quote "$error")
+	EOF
 done
 
-echo -n "$toDate" > "$dateFile"
-echo "DELETE FROM $logTable WHERE date < TIMESTAMPADD(DAY, -$purgeDays, NOW())" | mysql
+echo "$toDate" > "$dateFile"
+mysql <<-EOF
+	DELETE FROM $logSchema.$logTable
+		WHERE date < TIMESTAMPADD(DAY, -$purgeDays, NOW())
+EOF

roles/db/tasks/mariadb.yml

@@ -62,10 +62,18 @@
   command: mount -a
   when: fstab.changed
 
-- name: Set MariaDB Cron to /etc/cron.d
+- name: Configure MariaDB check memory CRON
   template:
-    src: templates/cron_mariadb
-    dest: /etc/cron.d/vn
+    src: check-memory.cron
+    dest: /etc/cron.d/vn-check-memory
+    owner: root
+    group: root
+    mode: u=rw,g=r,o=r
+
+- name: Configure MariaDB scheduler log CRON
+  copy:
+    src: scheduler-log.cron
+    dest: /etc/cron.d/vn-scheduler-log
     owner: root
     group: root
     mode: u=rw,g=r,o=r
@@ -197,7 +205,6 @@
     path: /var/lib/mysql/
   register: mysql_dir
 
-
 - when: mysql_dir.stat.exists
   block:
 

roles/db/templates/check-memory.cron

@@ -1,4 +1,3 @@
 MAILTO="{{ sysadmin_mail }}"
 
 */15 *  * * *  root  /root/scripts/check-memory.sh
-*/30 *  * * *  root  /root/scripts/scheduler-log.sh