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feat(delivery): extend MySQL delivery parameters and tighten resource bounds

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- Add topology/port/data_disk, DB options and 8 advanced parameters
  with whitelist validation, rendered via extra_vars into the playbook
- Hybrid port allocation over pool 13306-13999
- Tighten bounds: memory 2048-65536 MiB, storage 20-2000 GiB
This commit is contained in:
Hungerdream
2026-07-27 15:16:57 +08:00
parent e4596d5662
commit 3c3645f8d5
6 changed files with 492 additions and 85 deletions
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ansible/templates/mysql-instance.cnf.j2
+55 -11
View File
@@ -1,35 +1,79 @@
# Managed by XINFRA MySQL delivery - generated, do not edit by hand
# instance={{ mysql_instance }} version={{ mysql_version_value }} topology={{ topology }}
[client]
socket={{ mysql_run_dir }}/mysql.sock
port={{ mysql_port_value }}
[mysqld]
user=mysql
basedir=/usr
datadir={{ mysql_data_dir }}
tmpdir={{ mysql_tmp_dir }}
socket={{ mysql_run_dir }}/mysql.sock
pid-file={{ mysql_run_dir }}/mysql.pid
port={{ mysql_port_value }}
bind-address=0.0.0.0
mysqlx=0
server-id={{ 101 + mysql_node_index | int }}
skip-name-resolve=ON
server-id={{ mysql_server_id_value }}
local-infile=OFF
# --- charset / collation / timezone / identifier case ---
character-set-server={{ mysql_character_set }}
collation-server={{ mysql_collation }}
default-time-zone={{ mysql_timezone }}
lower-case-table-names={{ mysql_lower_case_table_names }}
# --- error / slow log ---
log-error={{ mysql_log_dir }}/error.log
slow-query-log=ON
slow-query-log-file={{ mysql_log_dir }}/slow.log
skip-name-resolve=ON
max-connections=100
innodb-buffer-pool-size={{ ((mysql_memory_mb_value | int) * 55 / 100) | int }}M
innodb-log-file-size=128M
log-bin={{ mysql_log_dir }}/mysql-bin
long-query-time={{ mysql_long_query_time }}
# --- binlog (PITR + replication base) ---
log-bin={{ mysql_binlog_dir }}/binlog
binlog-format=ROW
sync-binlog={{ mysql_sync_binlog }}
max-binlog-size={{ mysql_max_binlog_size }}
binlog-expire-logs-seconds={{ mysql_binlog_expire_logs_seconds }}
{% if topology != 'standalone' %}
gtid-mode=ON
enforce-gtid-consistency=ON
relay-log={{ mysql_log_dir }}/relay-bin
relay-log={{ mysql_binlog_dir }}/relay-bin
{% endif %}
# --- InnoDB core ---
innodb-buffer-pool-size={{ ((mysql_memory_mb_value | int) * 55 / 100) | int }}M
innodb-flush-method=O_DIRECT
innodb-flush-log-at-trx-commit={{ mysql_flush_log_at_trx_commit }}
innodb-io-capacity={{ mysql_io_capacity }}
max-connections={{ mysql_max_connections }}
# --- redo log (version-sensitive) ---
innodb-log-group-home-dir={{ mysql_redo_dir }}
{% if mysql_version_value in ['8.0', '8.4'] %}
innodb-redo-log-capacity={{ mysql_redo_capacity }}
{% else %}
innodb-log-file-size={{ mysql_redo_capacity }}
{% endif %}
# --- X Protocol disabled (version-sensitive) ---
{% if mysql_version_value in ['8.0', '8.4'] %}
mysqlx=0
{% elif mysql_version_value == '5.7' %}
loose-mysqlx=0
{% endif %}
{% if topology == 'mgr_3' %}
# --- Group Replication (config-ready; runtime bootstrap handled out-of-band) ---
plugin-load-add=group_replication.so
transaction-write-set-extraction=XXHASH64
loose-group-replication-group-name={{ mgr_group_name }}
loose-group-replication-start-on-boot=OFF
loose-group-replication-local-address={{ ansible_host | default(inventory_hostname) }}:{{ mysql_port_value | int + 10000 }}
loose-group-replication-group-seeds={% for host in ansible_play_hosts_all %}{{ hostvars[host].ansible_host | default(host) }}:{{ mysql_port_value | int + 10000 }}{% if not loop.last %},{% endif %}{% endfor %}
loose-group-replication-local-address={{ ansible_host | default(inventory_hostname) }}:{{ mysql_gr_port_value }}
loose-group-replication-group-seeds={% for host in ansible_play_hosts_all %}{{ hostvars[host].ansible_host | default(host) }}:{{ mysql_gr_port_value }}{% if not loop.last %},{% endif %}{% endfor %}
loose-group-replication-ip-allowlist={% for host in ansible_play_hosts_all %}{{ hostvars[host].ansible_host | default(host) }}{% if not loop.last %},{% endif %}{% endfor %}
loose-group-replication-single-primary-mode=ON
loose-group-replication-enforce-update-everywhere-checks=OFF
{% endif %}