Improve log management (#27)

* New log management (see #25)

- Add logrotate (as optional feature) setup
- Delete obsolete log management (log + log_slow_queries)

* Change log path
pull/29/head
Emilien Mantel 2018-03-08 13:01:34 +01:00 committed by GitHub
parent c90556976b
commit 589754e618
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 35 additions and 10 deletions

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@ -8,6 +8,7 @@ mysql_vendor: 'mariadb'
mysql_root_password: 'change_me_NOW'
mysql_notify_restart: true
mysql_upstream_apt_src: false
mysql_manage_logrotate: true
# -------------------------------------
# Configuration
@ -25,7 +26,7 @@ mysql_socket: '/var/run/mysqld/mysqld.sock'
# Slow query log settings.
mysql_slow_query_log_enabled: false
mysql_slow_query_log_file: '/var/log/mysql-slow.log'
mysql_slow_query_log_file: '/var/log/mysql/mysql_slow.log'
mysql_slow_query_time: 2
# Memory settings (default values optimized ~512MB RAM).
@ -57,8 +58,7 @@ mysql_innodb_lock_wait_timeout: 50
mysql_mysqldump_max_allowed_packet: '64M'
# Logging settings.
mysql_log: ''
mysql_log_error: '/var/log/mysql.err'
mysql_log_error: '/var/log/mysql/mysql_error.log'
mysql_syslog_tag: 'mysql'
# -------------------------------------

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@ -54,3 +54,9 @@
host="{{ item.host | default('localhost') }}"
state=present
with_items: "{{ mysql_users }}"
- name: TEMPLATE | Deploy logrotate configuration
template:
src: "etc/logrotate.d/mysql-server.j2"
dest: "/etc/logrotate.d/mysql-server"
when: mysql_manage_logrotate

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@ -0,0 +1,24 @@
#
# {{ ansible_managed }}
#
# - I put everything in one block and added sharedscripts, so that mysql gets
# flush-logs'd only once.
# Else the binary logs would automatically increase by n times every day.
# - The error log is obsolete, messages go to syslog now.
{{ mysql_log_error }} {% if mysql_slow_query_log_enabled %}{{ mysql_slow_query_log_file }}{% endif %} {
daily
rotate 7
missingok
create 640 mysql adm
compress
sharedscripts
postrotate
test -x /usr/bin/mysqladmin || exit 0
if [ -f `my_print_defaults --mysqld | grep -m 1 -oP "pid-file=\K.+$"` ]; then
# If this fails, check debian.conf!
mysqladmin --defaults-file=/etc/mysql/debian.cnf --local flush-error-log \
flush-engine-log flush-general-log flush-slow-log
fi
endscript
}

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@ -14,21 +14,15 @@ socket = {{ mysql_socket }}
{# TODO: FIX later #}
# Logging configuration.
{% if mysql_log_error == 'syslog' or mysql_log == 'syslog' %}
{% if mysql_log_error == 'syslog' %}
syslog
syslog-tag = {{ mysql_syslog_tag }}
{% else %}
{% if mysql_log %}
log = {{ mysql_log }}
{% endif %}
log-error = {{ mysql_log_error }}
{% endif %}
{% if mysql_slow_query_log_enabled %}
# Slow query log configuration.
{% if mysql_vendor not in ['mariadb', 'mariadbgalera'] or mysql_mariadb_version | version_compare('10.0', '<') %}
log_slow_queries = 1
{% endif %}
slow_query_log = 1
slow_query_log_file = {{ mysql_slow_query_log_file }}
long_query_time = {{ mysql_slow_query_time }}

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@ -3,3 +3,4 @@ mysql_extra_configuration:
innodb_commit_concurrency: 0
mysql_use_percona_apt: true
mysql_install_xtrabackup_package: true
mysql_slow_query_log_enabled: true