From a58386259c149f04d53a15a51f6e618d0271f356 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xavi=20Lle=C3=B3=20Tom=C3=A1s?= <xavi@verdnatura.es>
Date: Mon, 16 Dec 2024 15:42:53 +0100
Subject: [PATCH] Refs #8140: MariaDB Server Deploy - Role WIP

---
 roles/services/defaults/main.yaml             |  8 +-
 roles/services/files/mariadb_override.conf    |  1 +
 roles/services/files/scripts/check-memory.sh  |  0
 roles/services/files/scripts/export-privs.sh  |  0
 roles/services/files/scripts/mysqltuner.pl    |  0
 .../services/files/scripts/promote-master.sh  |  0
 roles/services/files/scripts/promote-slave.sh |  0
 roles/services/files/scripts/scheduler-log.sh |  0
 roles/services/files/scripts/sync-conf.sh     |  0
 roles/services/files/z90-vn.cnf               |  1 -
 roles/services/handlers/main.yml              |  8 +-
 roles/services/tasks/mariadb.yml              | 98 ++++++++++++-------
 12 files changed, 77 insertions(+), 39 deletions(-)
 mode change 100644 => 100755 roles/services/files/scripts/check-memory.sh
 mode change 100644 => 100755 roles/services/files/scripts/export-privs.sh
 mode change 100644 => 100755 roles/services/files/scripts/mysqltuner.pl
 mode change 100644 => 100755 roles/services/files/scripts/promote-master.sh
 mode change 100644 => 100755 roles/services/files/scripts/promote-slave.sh
 mode change 100644 => 100755 roles/services/files/scripts/scheduler-log.sh
 mode change 100644 => 100755 roles/services/files/scripts/sync-conf.sh

diff --git a/roles/services/defaults/main.yaml b/roles/services/defaults/main.yaml
index 139597f..c326c4f 100644
--- a/roles/services/defaults/main.yaml
+++ b/roles/services/defaults/main.yaml
@@ -1,2 +1,6 @@
-
-
+mariadb_base_packages:
+  - mariadb-server
+  - mariadb-backup
+mariadb_requeriments:
+  - curl
+  - apt-transport-https
\ No newline at end of file
diff --git a/roles/services/files/mariadb_override.conf b/roles/services/files/mariadb_override.conf
index 678e16a..215c342 100644
--- a/roles/services/files/mariadb_override.conf
+++ b/roles/services/files/mariadb_override.conf
@@ -1,3 +1,4 @@
 [Service]
 LimitNOFILE=600000
 LimitMEMLOCK=2M
+LimitNOFILE=81035
\ No newline at end of file
diff --git a/roles/services/files/scripts/check-memory.sh b/roles/services/files/scripts/check-memory.sh
old mode 100644
new mode 100755
diff --git a/roles/services/files/scripts/export-privs.sh b/roles/services/files/scripts/export-privs.sh
old mode 100644
new mode 100755
diff --git a/roles/services/files/scripts/mysqltuner.pl b/roles/services/files/scripts/mysqltuner.pl
old mode 100644
new mode 100755
diff --git a/roles/services/files/scripts/promote-master.sh b/roles/services/files/scripts/promote-master.sh
old mode 100644
new mode 100755
diff --git a/roles/services/files/scripts/promote-slave.sh b/roles/services/files/scripts/promote-slave.sh
old mode 100644
new mode 100755
diff --git a/roles/services/files/scripts/scheduler-log.sh b/roles/services/files/scripts/scheduler-log.sh
old mode 100644
new mode 100755
diff --git a/roles/services/files/scripts/sync-conf.sh b/roles/services/files/scripts/sync-conf.sh
old mode 100644
new mode 100755
diff --git a/roles/services/files/z90-vn.cnf b/roles/services/files/z90-vn.cnf
index 3b4c5cd..0f6a716 100644
--- a/roles/services/files/z90-vn.cnf
+++ b/roles/services/files/z90-vn.cnf
@@ -116,5 +116,4 @@ performance_schema                                         = ON
 performance_schema_digests_size                            = 20000
 performance-schema-consumer-events-statements-history      = ON
 performance_schema_consumer_events_statements_history_long = ON
-query_response_time_stats                                  = ON
 userstat                                                   = ON
diff --git a/roles/services/handlers/main.yml b/roles/services/handlers/main.yml
index c5b90a5..77780d8 100644
--- a/roles/services/handlers/main.yml
+++ b/roles/services/handlers/main.yml
@@ -2,10 +2,12 @@
   systemd:
     name: chrony
     state: restarted
-- name: restart-mariadb
-  systemd:
-    name: mariadb
 - name: reload systemd
   command:
     cmd: systemctl daemon-reload
+- name: restart-mariadb
+  systemd:
+    name: mariadb
+    state: restarted
+
 
diff --git a/roles/services/tasks/mariadb.yml b/roles/services/tasks/mariadb.yml
index 8b1bde2..514f8b4 100644
--- a/roles/services/tasks/mariadb.yml
+++ b/roles/services/tasks/mariadb.yml
@@ -1,8 +1,29 @@
+# Percona things pmm2-client https://docs.percona.com/percona-monitoring-and-management/setting-up/client/index.html#package-manager
+# Add backup directory custom scripts
+
+- name: Ensure Install requirements for MariaDB repository setup script
+  apt:
+    name: "{{ mariadb_requeriments }}"
+    state: present
+    install_recommends: no
+
+- name: Download MariaDB repository setup script
+  get_url:
+    url: "https://r.mariadb.com/downloads/mariadb_repo_setup"
+    dest: "/tmp/mariadb_repo_setup"
+    mode: "u=rwx,g=rx,o=rx" 
+
+- name: Run MariaDB repository setup script
+  command:
+    cmd: "/bin/bash /tmp/mariadb_repo_setup --mariadb-server-version=10.11.10"
+    creates: "/etc/apt/sources.list.d/mariadb.list"
+
 - name: Install MariaDB packages
   apt:
-    name: mariadb-server
+    name: "{{ mariadb_base_packages }}"
     state: present
-    #install_recommends: no
+    install_recommends: no
+
 - name: Ensure required directories exist
   file:
     path: "{{ item.path }}"
@@ -11,33 +32,16 @@
     group: "{{ item.group }}"
     mode: "{{ item.mode }}"
   loop:
-    - { path: /var/log/mysql, owner: mysql, group: adm, mode: 'u=rwx,g=rxs,o=' }
-    - { path: /root/scripts, owner: root, group: root, mode: 'u=rwx,g=rx,o=rx' }
+    - { path: /mnt/local-backup, owner: root, group: root, mode: 'u=rwx,g=rx,o=rx' }
     - { path: /mnt/mysqlbin, owner: root, group: root, mode: 'u=rwx,g=rx,o=rx' }
-    - { path: /etc/systemd/system/mariadb.service.d, owner: root, group: root, mode: 'u=rwx,g=rx,o=rx' }
     - { path: /mnt/mysqltmp, owner: root, group: root, mode: 'u=rwx,g=rwx,o=rwxt' }
     - { path: /mnt/mysqlbin/binlog, owner: mysql, group: mysql, mode: 'u=rwx,g=,o=' }
-- name: Set MariaDB custom configuration
-  copy:
-    src: "{{ item }}"
-    dest: /etc/mysql/mariadb.conf.d/
-    owner: root
-    group: root
-    mode: u=rw,g=r,o=r
-  with_fileglob:
-      - "files/z9*.cnf"
-  notify: restart-mariadb
-- name: Set MariaDB custom root scripts
-  copy:
-    src: "{{ item }}"
-    dest: /root/scripts/
-    owner: root
-    group: root
-    mode: u=rwx,g=rx,o=rx
-  with_fileglob:
-      - "files/scripts/*.sh"
+    - { path: /var/log/mysql, owner: mysql, group: adm, mode: 'u=rwx,g=rxs,o=' }
+    - { path: /root/scripts, owner: root, group: root, mode: 'u=rwx,g=rx,o=rx'}
+    - { path: /etc/systemd/system/mariadb.service.d, owner: root, group: root, mode: 'u=rwx,g=rx,o=rx' }   
+
 - name: Ensure required files are copied to their destinations
-  ansible.builtin.copy:
+  copy:
     src: "{{ item.src }}"
     dest: "{{ item.dest }}"
     owner: root
@@ -47,8 +51,29 @@
     - { src: 'files/scripts/README.md', dest: '/root/scripts/README.md', mode: 'u=rw,g=r,o=r' }
     - { src: 'mariadb_override.conf', dest: '/etc/systemd/system/mariadb.service.d/override.conf', mode: 'u=rw,g=r,o=r' }
     - { src: 'files/scripts/mysqltuner.pl', dest: '/root/scripts/mysqltuner.pl', mode: 'u=rwx,g=rx,o=rx' }
-  notify:
-    - reload systemd
+  notify: reload systemd
+
+- name: Set MariaDB custom root scripts
+  copy:
+    src: "{{ item }}"
+    dest: /root/scripts/
+    owner: root
+    group: root
+    mode: u=rwx,g=rx,o=rx
+  with_fileglob:
+      - "files/scripts/*.sh"
+
+- name: Add tmpfs in /etc/fstab
+  blockinfile:
+    path: /etc/fstab
+    marker: "# {mark} ANSIBLE-MANAGED TMPFS ENTRY"
+    block: |
+      tmpfs /mnt/mysqltmp         tmpfs rw,size=6144M         0 0
+
+- name: Mount all filesystems from /etc/fstab
+  command: mount -a
+  #when: ansible_facts.mounts | selectattr('mount', 'equalto', '/mnt/mysqltmp') | list | length == 0
+
 - name: Set MariaDB Cron to /etc/cron.d
   template:
     src: templates/cron_mariadb
@@ -56,12 +81,7 @@
     owner: root
     group: root
     mode: u=rw,g=r,o=r
-- name: Add tmpfs in /etc/fstab
-  blockinfile:
-    path: /etc/fstab
-    marker: "# {mark} ANSIBLE-MANAGED TMPFS ENTRY"
-    block: |
-      tmpfs /mnt/mysqltmp         tmpfs rw,size=6144M         0 0
+
 - name: Insert MySQL certificates
   copy:
     content: "{{ item.content }}"
@@ -73,3 +93,15 @@
     - { content: '{{ ca_mysql }}', dest: '/etc/mysql/ca.pem', mode: 'u=rw,g=r,o=r' }
     - { content: '{{ cert_mysql }}', dest: '/etc/mysql/cert.pem', mode: 'u=rw,g=r,o=r' }
     - { content: '{{ private_mysql }}', dest: '/etc/mysql/key.pem', mode: 'u=rw,g=,o=' }
+  notify: restart-mariadb
+
+- name: Set MariaDB custom configuration
+  copy:
+    src: "{{ item }}"
+    dest: /etc/mysql/mariadb.conf.d/
+    owner: root
+    group: root
+    mode: u=rw,g=r,o=r
+  with_fileglob:
+      - "files/z9*.cnf"
+  notify: restart-mariadb
\ No newline at end of file