percona xtradb cluster deployment

.gitignore

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+.env
+data

bootstrap.sh

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+#!/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

docker-compose.yml

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+---
+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

example.custom.cnf

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+[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

example.env

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+PERCONA_VERSION=8.0
+PERCONA_DATA=./data
+PERCONA_HOSTNAME=pcx
+PERCONA_CLUSTER_NAME=percona
+PERCONA_ROOT_PASSWORD=r00t

example.mysqld.cnf

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+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