ci: fix mariaDB host and wait before alembic

.gitea/workflows/ci.yml

@@ -20,10 +20,10 @@ jobs:
         ports:
           - 3306:3306
         options: >-
-          --health-cmd "mariadb-admin ping -h localhost -uroot -prootpass"
+          --health-cmd "mariadb-admin ping -h 127.0.0.1 -uroot -prootpass"
-          --health-interval 10s
+          --health-interval 5s
           --health-timeout 5s
-          --health-retries 10
+          --health-retries 20
 
     env:
       GITEA_BASE_URL: https://gitea.reversed.dev
@@ -34,12 +34,12 @@ jobs:
       ALLOWED_REPOS: org/repo
       COOLDOWN_SECONDS: 60
       WEBHOOK_MODE: repo
-      DB_HOST: 127.0.0.1
+      DB_HOST: mariadb
       DB_PORT: 3306
       DB_NAME: gitea_codex
       DB_USER: gitea_codex
       DB_PASSWORD: gitea_codex
-      TEST_DATABASE_URL: mysql+pymysql://gitea_codex:gitea_codex@127.0.0.1:3306/gitea_codex?charset=utf8mb4
+      TEST_DATABASE_URL: mysql+pymysql://gitea_codex:gitea_codex@mariadb:3306/gitea_codex?charset=utf8mb4
       WORKDIR: /tmp/work
       MAX_DIFF_BYTES: 200000
       MAX_REVIEW_MINUTES: 10
@@ -53,6 +53,41 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install -e .[dev]
+      - name: Wait for MariaDB
+        run: |
+          python - <<'PY'
+          import os
+          import time
+          import pymysql
+
+          host = os.environ["DB_HOST"]
+          port = int(os.environ["DB_PORT"])
+          user = os.environ["DB_USER"]
+          password = os.environ["DB_PASSWORD"]
+          database = os.environ["DB_NAME"]
+
+          for _ in range(60):
+              try:
+                  conn = pymysql.connect(
+                      host=host,
+                      port=port,
+                      user=user,
+                      password=password,
+                      database=database,
+                      connect_timeout=2,
+                      read_timeout=2,
+                      write_timeout=2,
+                  )
+                  conn.close()
+                  print("MariaDB is ready")
+                  raise SystemExit(0)
+              except Exception as exc:
+                  print(f"Waiting for MariaDB: {exc}")
+                  time.sleep(2)
+
+          print("MariaDB did not become ready in time")
+          raise SystemExit(1)
+          PY
       - name: Run Alembic migrations
         run: alembic upgrade head
       - name: Run tests