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Merge pull request #2936 from jvonau/mysql-cleanup

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The OSs have finally caught up - the default timeout value is 900 seconds now
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A Holt 2021-08-11 22:46:06 -04:00 • committed by GitHub
commit f5a084e8e6
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59
roles/mysql/tasks/install.yml
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@ -42,65 +42,6 @@
# - include_tasks: fedora.yml
# when: ansible_distribution == "Fedora"
# 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
- name: Check if /lib/systemd/system/mariadb.service exists
stat:
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 TIMESTAMPED BACKUPS OF /etc/systemd/system/mariadb.service e.g. IF OPERATOR CUSTOMIZED IT, EVEN DESPITE WARNING BELOW!)
copy:
force: yes
backup: yes
src: /lib/systemd/system/mariadb.service
dest: /etc/systemd/system/
when: mariadb_unit_file.stat.exists
- name: Symlink /etc/systemd/system/mysql.service -> /etc/systemd/system/mariadb.service
file:
state: link
force: yes
src: /etc/systemd/system/mariadb.service
path: /etc/systemd/system/mysql.service
when: mariadb_unit_file.stat.exists
- name: Symlink /etc/systemd/system/mysqld.service -> /etc/systemd/system/mariadb.service
file:
state: link
force: yes
src: /etc/systemd/system/mariadb.service
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="
line: "\n# 2019-07-03: @jvonau @holta doubled MariaDB's default boot timeout, from\n# 90 seconds to 180 seconds, 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\n"
# If the line above were to be run repeatedly (never happens here!) Ansible
# would pollute MariaDB's systemd unit file. As multi-line regexp's are
# not allowed (both regexp's should match, for idempotency). If nec, use
# the 1-liner below, or Ansible's 'blockinfile' which pollutes config files
# in its own way...surrounding blocks with marker lines.
# line: "TimeoutStartSec=180"
when: mariadb_unit_file.stat.exists
# 2 STANZAS BELOW...could later be put into setup.yml or config.yml or or provision.yml ?
# 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: Start MySQL systemd service ({{ mysql_service }}) to permit configuration
systemd: