vpn: refs #8140 - Refactor main yml and add pmm template

roles/db/defaults/main.yaml

@@ -33,6 +33,11 @@ required_mariabackup_files_and_scripts:
   - { src: scripts/events-demote.sh, dest: /root/scripts/events-demote.sh, mode: u=rwx,g=rx,o=rx }
   - { src: scripts/README.md, dest: /root/scripts/README.md, mode: u=rw,g=r,o=r }
   - { src: scripts/scheduler-log.sh, dest: /root/scripts/scheduler-log.sh, mode: u=rwx,g=rx,o=rx }
+configuration_files:
+  - { src: "conf/z99-local.cnf", dest: "/etc/mysql/mariadb.conf.d/z99-local.cnf", owner: "root", group: "root", mode: "u=rw,g=r,o=r" }
+  - { src: "mariabackup/my.cnf", dest: "/root/mariabackup/my.cnf", owner: "root", group: "root", mode: "u=rw,g=,o=" }
+  - { src: "pmm-agent.yaml", dest: "/usr/local/percona/pmm2/config/pmm-agent.yaml", owner: "pmm-agent", group: "pmm-agent", mode: "u=rw,g=rw,o=" }
+  - { src: "check-memory.cron", dest: "/etc/cron.d/vn-check-memory", owner: "root", group: "root", mode: "u=rw,g=r,o=r" }    
 downloads:
   - url: https://r.mariadb.com/downloads/mariadb_repo_setup
     dest: /tmp/mariadb_repo_setup

roles/db/handlers/main.yml

@@ -9,3 +9,7 @@
   service:
     name: nagios-nrpe-server
     state: restarted
+- name: restart-percona
+  service:
+    name: pmm-agent.service
+    state: restarted

roles/db/tasks/mariadb.yml

@@ -3,35 +3,29 @@
     name: "{{ mariadb_requeriments }}"
     state: present
     install_recommends: no
-
 - name: Download required setup files
   get_url:
     url: "{{ item.url }}"
     dest: "{{ item.dest }}"
     mode: "{{ item.mode }}"
   loop: "{{ downloads }}"
-
 - name: Run MariaDB repository setup script
   command:
     cmd: "/bin/bash /tmp/mariadb_repo_setup --mariadb-server-version={{ db.version | default('10.11.10') }}"
     creates: "/etc/apt/sources.list.d/mariadb.list"
-
 - name: Install Percona repository package
   apt:
     deb: "/tmp/percona-release_latest.generic_all.deb"
     state: present
     install_recommends: no
-
 - name: Update apt cache
   apt:
    update_cache: yes
-
 - name: Install MariaDB packages
   apt:
     name: "{{ mariadb_base_packages }}"
     state: present
     install_recommends: no
-
 - name: Add tmpfs in /etc/fstab
   blockinfile:
     path: /etc/fstab
@@ -39,15 +33,6 @@
     block: |
       tmpfs /mnt/mysqltmp         tmpfs rw,size={{ mysqltmpsize }}         0 0
   register: fstab
-
-- name: Configure MariaDB memory check CRON
-  template:
-    src: check-memory.cron
-    dest: /etc/cron.d/vn-check-memory
-    owner: root
-    group: root
-    mode: u=rw,g=r,o=r
-
 - name: Configure MariaDB scheduler log CRON
   copy:
     src: scheduler-log.cron
@@ -55,7 +40,6 @@
     owner: root
     group: root
     mode: u=rw,g=r,o=r
-
 - name: Insert MySQL certificates
   no_log: true
   copy:
@@ -66,7 +50,6 @@
     mode: "{{ item.mode }}"
   loop: "{{ certificates }}"
   notify: restart-mariadb
-
 - name: Ensure required directories exist
   file:
     path: "{{ item.path }}"
@@ -75,7 +58,6 @@
     group: "{{ item.group }}"
     mode: "{{ item.mode }}"
   loop: "{{ required_directories }}"
-
 - name: Copy required MariaBackup files and scripts
   copy:
     src: "{{ item.src }}"
@@ -84,7 +66,15 @@
     group: root
     mode: "{{ item.mode }}"
   loop: "{{ required_mariabackup_files_and_scripts }}"
-
+- name: Deploy configuration files
+  template:
+    src: "{{ item.src }}"
+    dest: "{{ item.dest }}"
+    owner: "{{ item.owner }}"
+    group: "{{ item.group }}"
+    mode: "{{ item.mode }}"
+  loop: "{{ configuration_files }}" 
+  notify: restart-percona
 - name: Set MariaDB common configuration
   copy:
     src: conf/z90-vn.cnf
@@ -93,23 +83,6 @@
     group: root
     mode: u=rw,g=r,o=r
   notify: restart-mariadb
-
-- name: Set MariaDB local configuration template
-  template:
-    src: conf/z99-local.cnf
-    dest: /etc/mysql/mariadb.conf.d/
-    owner: root
-    group: root
-    mode: u=rw,g=r,o=r
-
-- name: Set MariaBackup connection configuration
-  template:
-    src: mariabackup/my.cnf
-    dest: /root/mariabackup/
-    owner: root
-    group: root
-    mode: u=rw,g=,o=
-
 - name: Override MariaDB systemd service configuration
   copy:
     src: mariadb_override.conf
@@ -118,7 +91,6 @@
     group: root
     mode: u=rw,g=r,o=r
   notify: reload-systemd
-
 - name: Set MariaDB NRPE configuration
   copy:
     src: nrpe/95-mariadb.cfg
@@ -127,12 +99,10 @@
     group: root
     mode: u=rw,g=r,o=r
   notify: restart-nrpe
-
 - name: Check if /var/lib/mysql/ exists
   stat:
     path: /var/lib/mysql/
   register: mysql_dir
-
 - when: mysql_dir.stat.exists
   block:
 
@@ -149,7 +119,6 @@
     file:
       path: /var/lib/mysql/
       state: absent
-
 - name: Mount all filesystems from /etc/fstab
   command: mount -a
   when: fstab.changed

roles/db/templates/pmm-agent.yaml

@@ -0,0 +1,34 @@
+# Updated by `pmm-agent setup`.
+---
+id: /agent_id/{{ pmm.id }}
+listen-address: 127.0.0.1
+listen-port: 7777
+server:
+    address: {{ pmm.address }}
+    username: {{ pmm.username }}
+    password: {{ pmm.password }}
+    insecure-tls: {{ pmm.insecure }}
+paths:
+    paths_base: /usr/local/percona/pmm2
+    exporters_base: /usr/local/percona/pmm2/exporters
+    node_exporter: /usr/local/percona/pmm2/exporters/node_exporter
+    mysqld_exporter: /usr/local/percona/pmm2/exporters/mysqld_exporter
+    mongodb_exporter: /usr/local/percona/pmm2/exporters/mongodb_exporter
+    postgres_exporter: /usr/local/percona/pmm2/exporters/postgres_exporter
+    proxysql_exporter: /usr/local/percona/pmm2/exporters/proxysql_exporter
+    rds_exporter: /usr/local/percona/pmm2/exporters/rds_exporter
+    azure_exporter: /usr/local/percona/pmm2/exporters/azure_exporter
+    vmagent: /usr/local/percona/pmm2/exporters/vmagent
+    tempdir: {{ pmm.tempdir }}
+    pt_summary: /usr/local/percona/pmm2/tools/pt-summary
+    pt_pg_summary: /usr/local/percona/pmm2/tools/pt-pg-summary
+    pt_mysql_summary: /usr/local/percona/pmm2/tools/pt-mysql-summary
+    pt_mongodb_summary: /usr/local/percona/pmm2/tools/pt-mongodb-summary
+ports:
+    min: 42000
+    max: 51999
+log-level: warn
+debug: false
+trace: false
+loglinescount: 1024
+window-connected-time: 1h0m0s