fix: [torrust#342] E2E test execution with MySQL

The Tracker configuration was using MySQL instead of SQLite but the
database was not created. We can use SQLite for the Tracker even if in
this case we are testing with MySQL becuase E2E test are for the Index
not the tracker.

.github/workflows/testing.yaml

@@ -169,4 +169,4 @@ jobs:
 
       - id: test-mysql
         name: Run Integration Tests (MySQL)
-        run: ./contrib/dev-tools/container/e2e/mysql/run-e2e-tests.sh        
+        run: ./contrib/dev-tools/container/e2e/mysql/run-e2e-tests.sh

contrib/dev-tools/container/e2e/mysql/e2e-env-up.sh

@@ -8,7 +8,8 @@ USER_ID=${USER_ID:-1000} \
     TORRUST_INDEX_DATABASE_DRIVER="mysql" \
     TORRUST_INDEX_TRACKER_API_TOKEN="MyAccessToken" \
     TORRUST_IDX_BACK_MYSQL_DATABASE="torrust_index_e2e_testing" \
-    TORRUST_TRACKER_CONFIG=$(cat ./share/default/config/tracker.container.mysql.toml) \
-    TORRUST_TRACKER_DATABASE_DRIVER="mysql" \
+    TORRUST_TRACKER_CONFIG=$(cat ./share/default/config/tracker.container.sqlite3.toml) \
+    TORRUST_TRACKER_DATABASE_DRIVER="sqlite3" \
     TORRUST_TRACKER_API_ADMIN_TOKEN="MyAccessToken" \
     docker compose up -d
+

contrib/dev-tools/container/e2e/mysql/install.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# This script is only intended to be used for E2E testing environment.
+
+# Database credentials
+MYSQL_USER="root"
+MYSQL_PASSWORD="root_secret_password"
+MYSQL_HOST="127.0.0.1"
+MYSQL_DATABASE="torrust_index_e2e_testing"
+
+# Create the MySQL database for the index. Assumes MySQL client is installed.
+# The docker compose configuration already creates the database the first time
+# the container is created.
+echo "Creating MySQL database $MYSQL_DATABASE for for E2E testing ..."
+MYSQL_PWD=$MYSQL_PASSWORD mysql -h $MYSQL_HOST -u $MYSQL_USER -e "CREATE DATABASE IF NOT EXISTS $MYSQL_DATABASE;"

contrib/dev-tools/container/e2e/mysql/run-e2e-tests.sh

@@ -59,15 +59,8 @@ sleep 20s
 # Just to make sure that everything is up and running
 docker ps
 
-# Database credentials
-MYSQL_USER="root"
-MYSQL_PASSWORD="root_secret_password"
-MYSQL_HOST="localhost"
-MYSQL_DATABASE="torrust_index_e2e_testing"
-
-# Create the MySQL database for the index. Assumes MySQL client is installed.
-echo "Creating MySQL database $MYSQL_DATABASE for for E2E testing ..."
-mysql -h $MYSQL_HOST -u $MYSQL_USER -p$MYSQL_PASSWORD -e "CREATE DATABASE IF NOT EXISTS $MYSQL_DATABASE;"
+# Install MySQL database for the index
+./contrib/dev-tools/container/e2e/mysql/install.sh || exit 1
 
 # Run E2E tests with shared app instance
 TORRUST_INDEX_E2E_SHARED=true TORRUST_INDEX_E2E_PATH_CONFIG="./share/default/config/index.container.mysql.toml" cargo test || exit 1

contrib/dev-tools/container/e2e/sqlite/install.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# This script is only intended to be used for local development or testing environments.
+# This script is only intended to be used for E2E testing environment.
 
 # Generate storage directory if it does not exist
 mkdir -p ./storage/index/lib/database