Remove stopper service from automation script

examples/migration-8.0/.gitignore

@@ -0,0 +1 @@
+dump-data/*

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:
@@ -40,40 +42,25 @@ 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:
     environment:
       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-mysql.sh

@@ -1,14 +1,13 @@
 #!/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}"

examples/migration-8.0/migrate-mariadb.sh

@@ -1,5 +1,13 @@
 #!/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;"