Add mssql db check before starting tests (#16134)

* do a db check for mssql before starting tests

* add health check integration

* fix health check

scripts/ci/docker-compose/backend-mssql.yml

@@ -22,8 +22,10 @@ services:
       - BACKEND=mssql
       - AIRFLOW__CORE__SQL_ALCHEMY_CONN=mssql+pyodbc://sa:Airflow123@mssql:1433/master?driver=ODBC+Driver+17+for+SQL+Server
       - AIRFLOW__CELERY__RESULT_BACKEND=db+mssql+pyodbc://sa:Airflow123@mssql:1433/master?driver=ODBC+Driver+17+for+SQL+Server
+      - AIRFLOW__CORE__EXECUTOR=LocalExecutor
     depends_on:
-      - mssql
+      mssql:
+        condition: service_healthy
   mssql:
     image: mcr.microsoft.com/mssql/server:${MSSQL_VERSION}
     environment:
@@ -32,7 +34,8 @@ services:
     volumes:
       - mssql-db-volume:/var/opt/mssql
     healthcheck:
-      test: ["CMD", "sqlcmd", "-S", "localhost", "-U", "sa", "-P", "$SA_PASSWORD", "-Q", "SELECT 1"]
+      test: ["CMD", "/opt/mssql-tools/bin/sqlcmd", "-S", "localhost",
+             "-U", "sa", "-P", "Airflow123", "-Q", "SELECT 1"]
       interval: 10s
       timeout: 10s
       retries: 10

scripts/in_container/check_environment.sh

@@ -100,10 +100,11 @@ function check_db_backend {
         check_service "MySQL" "run_nc mysql 3306" "${MAX_CHECK}"
     elif [[ ${BACKEND} == "mssql" ]]; then
         check_service "MSSQL" "run_nc mssql 1433" "${MAX_CHECK}"
+        check_service "MSSQL Login Check" "airflow db check" "${MAX_CHECK}"
     elif [[ ${BACKEND} == "sqlite" ]]; then
         return
     else
-        echo "Unknown backend. Supported values: [postgres,mysql,sqlite]. Current value: [${BACKEND}]"
+        echo "Unknown backend. Supported values: [postgres,mysql,mssql,sqlite]. Current value: [${BACKEND}]"
         exit 1
     fi
 }