PMM-12153 Add a healthcheck and wait for container

Author: ademidoff

.github/workflows/go.yml

@@ -46,8 +46,9 @@ jobs:
 
       - name: Run Tests
         run: |
-          docker compose up -d
-          make all
+          docker compose up -d --wait --wait-timeout 20
+          make format
+          make build
           make test
         env:
           MYSQL_IMAGE: ${{ matrix.mysql-image }}

docker-compose.yml

@@ -6,8 +6,21 @@ services:
     container_name: mysqld_exporter_db
     environment:
       - MYSQL_ALLOW_EMPTY_PASSWORD=yes
-      - MYSQL_ROOT_HOST=%
       - MYSQL_ROOT_PASSWORD=
+      - MYSQL_ROOT_HOST=%
       - INIT_ROCKSDB=1
     ports:
       - "3306:3306"
+    healthcheck:
+      test: [ 
+        "CMD-SHELL", 
+        "if command -v mariadb >/dev/null; then \
+          mariadb -uroot -e 'SELECT 1;'; \
+        else \
+          mysql -uroot -e 'SELECT 1;'; \
+        fi || exit 1"
+      ]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+      start_period: 3s