Remove stopper service from automation script

examples/migration-8.0/.gitignore

+dump-data/*
\ No newline at end of file

examples/migration-8.0/compose-mysql8.0.yml

@@ -29,6 +29,8 @@ services:
       MARIADB_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
       MARIADB_USER: ${DB_USER}
       MARIADB_PASSWORD: ${DB_PASSWORD}
+      MARIADB_DB: ${DB_DATABASE}
+      MYSQL_CONT_NAME: ${MYSQL_name}
     container_name: ${MARIADB_DUMP_name}
     image: mariadb:lts
     depends_on:
@@ -40,28 +42,11 @@ services:
       interval: 20s
       timeout: 20s
       retries: 3
-    # command: >
-    #   bash -c "
-    #   echo 'MariaDB service started. Dump MySQL data ...'
-    #   mariadb-dump -h mysql-container -uroot -psecret testdb > /etc/dump/mysql-dump-data.sql"
-    # user: ${UID}:${EUID}
     volumes:
       - mysqldump:/etc/dump/
-     # This will not exit container, but command: will
       - ./dump-mysql.sh:/docker-entrypoint-initdb.d/dump-mysql.sh
     networks:
       - backend
-    # entrypoint: ["/docker-entrypoint-initdb.d/dump-mysql.sh"]
-
-# We cannot share the same dump directory, we need to stop mariadb-dump
-  stopper:
-    image: docker:20.10
-    depends_on:
-     mariadb-dump:
-      condition: service_healthy
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock
-    command: ["sh", "-c", "docker stop mariadb-container-dump"]
 
 # Sidecar for insert dump file
   mariadb-migrated-from-mysql8:
@@ -69,11 +54,13 @@ services:
       MARIADB_ROOT_PASSWORD: ${DB_ROOT_PASSWORD}
       MARIADB_USER: ${DB_USER}
       MARIADB_PASSWORD: ${DB_PASSWORD}
+      MARIADB_DB: ${DB_DATABASE}
     container_name: ${MARIADB_MIGRATED_name}
     image: mariadb:lts
     depends_on:
      mariadb-dump:
-       condition: service_completed_successfully
+       condition: service_healthy
+      #  restart: true
     volumes:
       - mysqldump:/etc/dump/
       - ./migrate-mariadb.sh:/docker-entrypoint-initdb.d/migrate-mariadb.sh
@@ -82,7 +69,7 @@ services:
 
 volumes:
   dbdata: {}
-  # sudo chown -R 999:999 ${PWD}/dump-data # host
+  # sudo chown -R 999:999 ${PWD}/dump-data # on host before running this file
   mysqldump:
     driver: local
     driver_opts:

examples/migration-8.0/dump-data/mysql-dump-data-utf8mb4_unicode_ci.sql

--- MariaDB dump 10.19  Distrib 10.11.6-MariaDB, for debian-linux-gnu (x86_64)
---
--- Host: mysql-container    Database: testdb
--- ------------------------------------------------------
--- Server version	8.3.0
-
-/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
-/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
-/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
-/*!40101 SET NAMES utf8mb4 */;
-/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
-/*!40103 SET TIME_ZONE='+00:00' */;
-/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
-/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
-/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
-/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
-
---
--- Table structure for table `countries`
---
-
-DROP TABLE IF EXISTS `countries`;
-/*!40101 SET @saved_cs_client     = @@character_set_client */;
-/*!40101 SET character_set_client = utf8 */;
-CREATE TABLE `countries` (
-  `name` char(20) DEFAULT NULL
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
-/*!40101 SET character_set_client = @saved_cs_client */;
-
---
--- Dumping data for table `countries`
---
-
-LOCK TABLES `countries` WRITE;
-/*!40000 ALTER TABLE `countries` DISABLE KEYS */;
-INSERT INTO `countries` VALUES
-('Bosnia & Herzegovina');
-/*!40000 ALTER TABLE `countries` ENABLE KEYS */;
-UNLOCK TABLES;
-/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
-
-/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
-/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
-/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
-/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
-/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
-/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
-/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
-
--- Dump completed on 2024-02-12 13:48:45

examples/migration-8.0/dump-data/mysql-dump-data.sql

--- MariaDB dump 10.19  Distrib 10.11.6-MariaDB, for debian-linux-gnu (x86_64)
---
--- Host: mysql-container    Database: testdb
--- ------------------------------------------------------
--- Server version	8.3.0
-
-/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
-/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
-/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
-/*!40101 SET NAMES utf8mb4 */;
-/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
-/*!40103 SET TIME_ZONE='+00:00' */;
-/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
-/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
-/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
-/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
-
---
--- Table structure for table `countries`
---
-
-DROP TABLE IF EXISTS `countries`;
-/*!40101 SET @saved_cs_client     = @@character_set_client */;
-/*!40101 SET character_set_client = utf8 */;
-CREATE TABLE `countries` (
-  `name` char(20) DEFAULT NULL
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
-/*!40101 SET character_set_client = @saved_cs_client */;
-
---
--- Dumping data for table `countries`
---
-
-LOCK TABLES `countries` WRITE;
-/*!40000 ALTER TABLE `countries` DISABLE KEYS */;
-INSERT INTO `countries` VALUES
-('Bosnia & Herzegovina');
-/*!40000 ALTER TABLE `countries` ENABLE KEYS */;
-UNLOCK TABLES;
-/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;
-
-/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
-/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
-/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
-/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
-/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
-/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;
-/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
-
--- Dump completed on 2024-02-12 13:48:45

examples/migration-8.0/dump-mysql.sh

 #!/bin/bash
 
-echo 'MariaDB service started. Dump MySQL data ...'
+echo 'MariaDB service started.'
 # Run your commands and exit container
-whoami # mysql"
+whoami # mysql
 # sh -c "chown -R mysql:mysql /etc/dump" # Operation permitted
-# sh -c "ls -la /etc/dump"
-sh -c "mariadb-dump -h mysql-container -uroot -psecret testdb > /etc/dump/mysql-dump-data.sql"
-sh -c "ls -la /etc/dump/"
-echo "List before"
-sh -c "cp /etc/dump/mysql-dump-data.sql /etc/dump/mysql-dump-data-utf8mb4_unicode_ci.sql"
-sh -c "ls -la /etc/dump/"
-echo "List after"
-sh -c "sed -i 's/utf8mb4_0900_ai_ci/utf8mb4_unicode_ci/g' /etc/dump/mysql-dump-data-utf8mb4_unicode_ci.sql"
+echo 'Dump and compress MySQL data with changed collation ...'
+fileName="mysql-dump-data.sql.zst"
+if [ -f "$fileName" ]; then
+    echo "File ${fileName} exists. Remove it ... "
+    rm "$fileName"
+fi
+sh -c "mariadb-dump -h${MYSQL_CONT_NAME} -uroot -p${MARIADB_ROOT_PASSWORD} ${MARIADB_DB} | sed 's/utf8mb4_0900/uca1400/g' | zstd > /etc/dump/${fileName}"
\ No newline at end of file
\ No newline at end of file

examples/migration-8.0/migrate-mariadb.sh

 #!/bin/bash
+echo "Extract file"
+oldFile="/etc/dump/mysql-dump.sql"
+if [ -f "$oldFile" ]; then
+    echo "Old file ${oldFile} exists. Remove it ... "
+    rm "$oldFile"
+    echo "Extracting ..."
+fi
+sh -c "zstd -d /etc/dump/mysql-dump-data.sql.zst -o /etc/dump/mysql-dump.sql"
 echo "Show data in MariaDB"
-mariadb -uroot -psecret -e "create database testdb;"
-mariadb -uroot -psecret testdb < /etc/dump/mysql-dump-data-utf8mb4_unicode_ci.sql
-mariadb -uroot -psecret  -e "show databases; select * from countries;"
+mariadb -uroot -p"${MARIADB_ROOT_PASSWORD}" -e "create database testdb;"
+mariadb -uroot -p"${MARIADB_ROOT_PASSWORD}" "${MARIADB_DB}" < /etc/dump/mysql-dump.sql
+mariadb -uroot -p"${MARIADB_ROOT_PASSWORD}" -e "show databases; select * from testdb.countries;"
\ No newline at end of file