Fix flaky network tests

.gitignore

@@ -34,6 +34,7 @@ native/swift/Sources/wordpress-api-wrapper/*.swift
 .wordpress
 test_credentials
 /logs
+dump.sql
 
 # CI Cache
 .cargo

Makefile

@@ -195,10 +195,10 @@ stop-server: delete-wp-plugins-backup
 	docker-compose down
 
 dump-mysql:
-	docker exec -it wordpress-rs-mysql-1 /bin/bash -c "mysqldump --defaults-extra-file=mysql_config/config.cnf --no-tablespaces wordpress > dump.sql"
+	docker exec -it wordpress-rs-database-1 mariadb-dump -u wordpress -pwordpress --no-tablespaces wordpress > dump.sql
 
 restore-mysql:
-	docker exec -it wordpress-rs-mysql-1 /bin/bash -c "mysql --defaults-extra-file=mysql_config/config.cnf --database wordpress < dump.sql"
+	cat dump.sql | docker exec -i wordpress-rs-database-1 mariadb -u wordpress -pwordpress --database wordpress
 
 backup-wp-content-plugins:
 	docker exec -it wordpress /bin/bash -c "cp -R ./wp-content/plugins /tmp/backup_wp_plugins"

docker-compose.yml

@@ -9,36 +9,25 @@ services:
             - .wordpress:/var/www/html
             - ./test_credentials:/tmp/test_credentials
         environment:
-            WORDPRESS_DB_HOST: mysql
+            WORDPRESS_DB_HOST: database
             WORDPRESS_DB_USER: wordpress
             WORDPRESS_DB_PASSWORD: wordpress
             WORDPRESS_DB_NAME: wordpress
             WORDPRESS_CONFIG_EXTRA: |
                 # Allow application passwords to be used without HTTPS
                 define( 'WP_ENVIRONMENT_TYPE', 'local' );
-
-        depends_on:
-            mysql:
-                condition: service_healthy
         healthcheck:
             test: ["CMD", "bash" ,"-c", "[ -f /var/www/html/wp-config.php ]"]
             interval: 4s
             timeout: 1s
             retries: 30
 
-    mysql:
-        image: 'public.ecr.aws/docker/library/mysql:8.0'
+    database:
+        image: 'public.ecr.aws/docker/library/mariadb:11.2'
         ports:
             - '3306:3306'
         environment:
             MYSQL_DATABASE: 'wordpress'
             MYSQL_USER: 'wordpress'
             MYSQL_PASSWORD: 'wordpress'
             MYSQL_RANDOM_ROOT_PASSWORD: true
-        volumes:
-            - ./mysql_config:/mysql_config
-        healthcheck:
-            test: ["CMD", "mysqladmin" ,"ping", "-h", "localhost"]
-            interval: 4s
-            timeout: 1s
-            retries: 30

scripts/setup-test-site.sh

@@ -11,13 +11,46 @@ set -e
 curl https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar --output /usr/bin/wp
 chmod +x /usr/bin/wp
 
+# Install `mysqlcheck` – needed for `wp db check`
+apt update && apt install -y default-mysql-client
+
+# Create wpcli working directory (it can't be created by the `www-data` user`)
+mkdir -p /var/www/.wp-cli
+chown -R www-data:www-data /var/www/.wp-cli/
+
 # Run all the commands below as `www-data` (because that's what WordPress uses itself, so there shouldn't
 # be any weird permissions issues)
 su -s /bin/bash www-data
 
-## Install WordPress
+## Download WordPress
 wp core download --force
 
+## Wait for the DB to be ready before attempting install – Docker can do this for us, but we get way better
+## diagnostic information from `wp db check`, whereas if `wp core install` fails it won't tell us about issues
+## like incompatible SSL cipher suites (which is a problem in the WP 5.7 image when used with MySQL 8+)
+tries=0
+while true; do
+
+	code=0
+	wp db check || code=$?
+
+	if [ $code == 0 ]; then
+		echo 'Database Ready'
+		break;
+	fi
+
+	if [ $tries -gt 5 ]; then
+		echo 'Unable to connect to database'
+		exit 1
+	fi
+
+	echo 'The database is not ready yet – waiting 5 seconds'
+	sleep 5
+
+	tries=$(( $tries + 1 ))
+done
+
+## Install WordPress
 wp core install \
 	--url=localhost \
 	--title=my-test-site \