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Code Issues Releases Wiki Activity

Document mysql/tasks/main.yml & WARN re: mod'ing /etc/systemd/system/mariadb.service

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A Holt 2019-07-03 14:06:57 -04:00 committed by GitHub
parent e7c5e69c8d
commit fe629f7b4b
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17
roles/mysql/tasks/main.yml
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@ -59,8 +59,9 @@
tags:
- download
# 2019-07-03: @jvonau @holta doubled the default boot timeout from 90s to 180s
# for slow machines like this Ubuntu 18.04.2 VM:
# 2019-07-03 @jvonau @holta: the next 50 lines (6 stanzas) double MariaDB's
# default boot timeout (90s to 180s) for slow CPUs like this Ubuntu 18.04.2 VM:
# https://github.com/iiab/iiab/issues/1802
# https://mariadb.com/kb/en/library/what-to-do-if-mariadb-doesnt-start/#systemd
@ -69,7 +70,7 @@
path: /lib/systemd/system/mariadb.service
register: mariadb_unit_file
- name: Copy pkg's /lib/systemd/system/mariadb.service to /etc/systemd/system/ to be customized (CREATES TIMETAMPED BACKUP OF /etc/systemd/system/mariadb.service e.g. IF OPERATOR CUSTOMIZED IT)
- name: Copy pkg's /lib/systemd/system/mariadb.service to /etc/systemd/system/ to be customized (CREATES TIMETAMPED BACKUPS OF /etc/systemd/system/mariadb.service e.g. IF OPERATOR CUSTOMIZED IT, EVEN DESPITE WARNING BELOW!)
copy:
force: yes
backup: yes
@ -93,11 +94,18 @@
path: /etc/systemd/system/mysqld.service
when: mariadb_unit_file.stat.exists
- name: "WARN OPERATOR: Changes made to /etc/systemd/system/mariadb.service WILL BE LOST whenever 'mysql' playbook is run"
lineinfile:
path: /etc/systemd/system/mariadb.service
insertbefore: BOF # Beginning of file
line: "# WARNING: CHANGES TO THIS FILE WILL BE REGULARLY *OVERWRITTEN* BY:\n# /opt/iiab/iiab/roles/mysql/tasks/main.yml\n"
when: mariadb_unit_file.stat.exists
- name: Set systemd boot timeout to 180 seconds for slow machines, in /etc/systemd/system/mariadb.service
lineinfile:
path: /etc/systemd/system/mariadb.service
insertafter: '^\[Service\]$'
regexp: '^TimeoutStartSec='
regexp: "^TimeoutStartSec="
line: "TimeoutStartSec=180"
# LINE BELOW WOULD BE NICE...BUT ANSIBLE POLLUTES EACH TIME :(
# Hence Ansible's 'blockinfile', but this pollutes config files in its own
@ -105,6 +113,7 @@
#line: "\n# 2019-07-03: @jvonau @holta doubled the default boot timeout from 90s to 180s\n# for slow machines like this Ubuntu 18.04.2 VM:\n# https://github.com/iiab/iiab/issues/1802\n# https://mariadb.com/kb/en/library/what-to-do-if-mariadb-doesnt-start/#systemd\nTimeoutStartSec=180"
when: mariadb_unit_file.stat.exists
# Name of MySQL service varies by OS, so hardcoded in /opt/iiab/iiab/vars/<OS>.yml (formerly in roles/0-init/tasks/main.yml)
- name: Enable & Start MySQL systemd service ({{ mysql_service }}) if mysql_enabled
systemd: