From e1429b0934d0b424d1a787d0f9ad260aeddd94f3 Mon Sep 17 00:00:00 2001
From: Bryan Joshua Pedini <b.pedini@bjphoster.com>
Date: Sat, 30 Sep 2023 15:01:04 +0200
Subject: [PATCH] percona xtradb cluster deployment

---
 .gitignore         |  2 ++
 bootstrap.sh       |  8 ++++++++
 docker-compose.yml | 19 +++++++++++++++++++
 example.custom.cnf | 15 +++++++++++++++
 example.env        |  5 +++++
 example.mysqld.cnf |  6 ++++++
 6 files changed, 55 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 bootstrap.sh
 create mode 100644 docker-compose.yml
 create mode 100644 example.custom.cnf
 create mode 100644 example.env
 create mode 100644 example.mysqld.cnf

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..fb58dee
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+.env
+data
diff --git a/bootstrap.sh b/bootstrap.sh
new file mode 100755
index 0000000..8444737
--- /dev/null
+++ b/bootstrap.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+read -p "\$DATA directory: " DATA_DIRECTORY
+REALDIR=$(readlink -f "${DATA_DIRECTORY}")
+mkdir -p "${DATA_DIRECTORY}"
+mkdir "${DATA_DIRECTORY}/conf" "${DATA_DIRECTORY}/cert" "${DATA_DIRECTORY}/mysql"
+chown 1001:1001 "${DATA_DIRECTORY}/cert" "${DATA_DIRECTORY}/mysql"
+docker run --rm -v "${REALDIR}"/cert:/cert percona/percona-xtradb-cluster:8.0 mysql_ssl_rsa_setup -d /cert
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..08ec416
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,19 @@
+---
+services:
+  percona:
+    image: percona/percona-xtradb-cluster:${PERCONA_VERSION}
+    restart: unless-stopped
+    environment:
+      - CLUSTER_NAME=${PERCONA_CLUSTER_NAME}
+      - MYSQL_ROOT_PASSWORD=${PERCONA_ROOT_PASSWORD}
+    hostname: ${PERCONA_HOSTNAME}
+    ports:
+      - 3306:3306/tcp
+      - 4444:4444/tcp
+      - 4567:4567/tcp
+      - 4567:4567/udp
+      - 4568:4568/tcp
+    volumes:
+      - ${PERCONA_DATA}/cert:/cert
+      - ${PERCONA_DATA}/config:/etc/percona-xtradb-cluster.conf.d
+      - ${PERCONA_DATA}/mysql:/var/lib/mysql
diff --git a/example.custom.cnf b/example.custom.cnf
new file mode 100644
index 0000000..615126c
--- /dev/null
+++ b/example.custom.cnf
@@ -0,0 +1,15 @@
+[mysqld]
+ssl-ca = /cert/ca.pem
+ssl-cert = /cert/server-cert.pem
+ssl-key = /cert/server-key.pem
+
+[client]
+ssl-ca = /cert/ca.pem
+ssl-cert = /cert/client-cert.pem
+ssl-key = /cert/client-key.pem
+
+[sst]
+encrypt = 4
+ssl-ca = /cert/ca.pem
+ssl-cert = /cert/server-cert.pem
+ssl-key = /cert/server-key.pem
diff --git a/example.env b/example.env
new file mode 100644
index 0000000..14f6024
--- /dev/null
+++ b/example.env
@@ -0,0 +1,5 @@
+PERCONA_VERSION=8.0
+PERCONA_DATA=./data
+PERCONA_HOSTNAME=pcx
+PERCONA_CLUSTER_NAME=percona
+PERCONA_ROOT_PASSWORD=r00t
diff --git a/example.mysqld.cnf b/example.mysqld.cnf
new file mode 100644
index 0000000..59c6fe4
--- /dev/null
+++ b/example.mysqld.cnf
@@ -0,0 +1,6 @@
+wsrep_provider=/usr/lib/galera4/libgalera_smm.so
+wsrep_cluster_name=percona
+wsrep_cluster_address=gcomm://192.168.10.11,192.168.10.12,192.168.10.13
+wsrep_node_name=pxc1
+wsrep_node_address=192.168.10.11
+pxc_strict_mode=ENFORCING