mysql: install save_mysql_processlist script

CHANGELOG.md

@@ -15,6 +15,7 @@ The **patch** part changes incrementally at each release.
 * dovecot: Update munin plugin & configure it
 * evoacme: variable to disable Debian version check (default: False)
 * kvm-host: Add drbd role dependency (toggleable with kvm_install_drbd)
+* mysql: install save_mysql_processlist script
 * nextcloud: New role to setup a nextcloud instance
 * redis: variable to force use of port 6379 in instances mode
 * lxc-php: Allow php containers to contact local MySQL with localhost

mysql/files/save_mysql_processlist.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+set -e
+
+processlist() {
+    mysqladmin --verbose --vertical processlist
+}
+
+DIR="/var/log/mysql-processlist"
+TS=`date +%Y%m%d%H%M%S`
+FILE="${DIR}/${TS}"
+
+if [ ! -d "${DIR}" ]; then
+    mkdir -p "${DIR}"
+    chown root:adm "${DIR}"
+    chmod 750 "${DIR}"
+fi
+
+processlist > "${FILE}"
+chmod 640 "${FILE}"
+chown root:adm "${FILE}"
+
+find "${DIR}" -type f -mtime +1 -delete
+
+exit 0

mysql/tasks/utils.yml

@@ -178,3 +178,12 @@
   tags:
     - mysql
     - packages
+
+- name: "Install save_mysql_processlist.sh"
+  copy:
+    src: save_mysql_processlist.sh
+    dest: "{{ mysql_scripts_dir or general_scripts_dir | mandatory }}/save_mysql_processlist.sh"
+    mode: "0755"
+    force: no
+  tags:
+    - mysql