Nightly run of DB upgrade tests

.cirrus.yml

       QA_CATEGORY: Billing
       QA_CATEGORY: License
       QA_CATEGORY: Branch
+      QA_CATEGORY: Upgrade
     # No need to clone the full history.
     # Depth of 1 is not enough because it would fail the build in case of consecutive pushes
     # (example of error: "Hard resetting to c968ecaf7a1942dacecd78480b3751ac74d53c33...Failed to force reset to c968ecaf7a1942dacecd78480b3751ac74d53c33: object not found!")
   script:
     - ./private/cirrus/cirrus-promote.sh
 
-db_unit_mysql57_task:
+test_sql_mysql57_task:
   depends_on: build
   # Comment the following line and commit with message "DO NOT MERGE" in order to run
   # this task on your branch
-  only_if: $CIRRUS_BRANCH == "master"
+  only_if: $CIRRUS_TAG == "nightly-build"
   gke_container:
     image: gradle:4.10.1-jdk8
     cluster_name: cirrus-euw3a-cluster
   cleanup_before_cache_script:
     - ./private/cirrus/cleanup-gradle-cache.sh
 
-db_mssql2017_task:
+test_sql_mssql2017_task:
   depends_on: build
   # Comment the following line and commit with message "DO NOT MERGE" in order to run
   # this task on your branch
-  only_if: $CIRRUS_BRANCH == "master"
+  only_if: $CIRRUS_TAG == "nightly-build"
   gke_container:
     image: gradle:4.10.1-jdk8
     cluster_name: cirrus-euw3a-cluster
   cleanup_before_cache_script:
     - ./private/cirrus/cleanup-gradle-cache.sh
 
-db_mssql2019_task:
+test_sql_mssql2019_task:
   depends_on: build
   # Comment the following line and commit with message "DO NOT MERGE" in order to run
   # this task on your branch
-  only_if: $CIRRUS_BRANCH == "master"
+  only_if: $CIRRUS_TAG == "nightly-build"
   gke_container:
     image: gradle:4.10.1-jdk8
     cluster_name: cirrus-euw3a-cluster
     - ./private/cirrus/cleanup-gradle-cache.sh
 
 # this is the oldest compatible version of PostgreSQL
-db_postgres93_task:
+test_sql_postgres93_task:
   depends_on: build
   # Comment the following line and commit with message "DO NOT MERGE" in order to run
   # this task on your branch
-  only_if: $CIRRUS_BRANCH == "master"
+  only_if: $CIRRUS_TAG == "nightly-build"
   gke_container:
     image: gradle:4.10.1-jdk8
     cluster_name: cirrus-euw3a-cluster
   cleanup_before_cache_script:
     - ./private/cirrus/cleanup-gradle-cache.sh
 
-db_oracle12_task:
+test_sql_oracle12_task:
   depends_on: build
   # Comment the following line and commit with message "DO NOT MERGE" in order to run
   # this task on your branch
-  only_if: $CIRRUS_BRANCH == "master"
+  only_if: $CIRRUS_TAG == "nightly-build"
   gke_container:
     image: gradle:4.10.1-jdk8
     cluster_name: cirrus-euw3a-cluster
     - ./private/cirrus/cirrus-db-unit-test.sh oracle12
   cleanup_before_cache_script:
     - ./private/cirrus/cleanup-gradle-cache.sh
+
+
+test_upgrade_mysql57_task:
+  depends_on: build
+  # Comment the following line and commit with message "DO NOT MERGE" in order to run
+  # this task on your branch
+  only_if: $CIRRUS_TAG == "nightly-build"
+  gke_container:
+    dockerfile: private/docker/Dockerfile-build
+    builder_image_project: ci-cd-215716
+    builder_image_name: docker-builder-v1
+    cluster_name: cirrus-euw3a-cluster
+    zone: europe-west3-a
+    namespace: default
+    cpu: 1.5
+    memory: 6Gb
+    additional_containers:
+      - name: mysql
+        image: mysql:5.7 # see https://github.com/mysql/mysql-docker
+        port: 3306
+        cpu: 1
+        memory: 1Gb
+        env:
+          MYSQL_ROOT_PASSWORD: sonarsource
+          MYSQL_DATABASE: sonar
+          MYSQL_USER: sonar
+          MYSQL_PASSWORD: sonar
+  env:
+    matrix:
+      QA_CATEGORY: Upgrade
+      # No need to clone the full history.
+      # Depth of 1 is not enough because it would fail the build in case of consecutive pushes
+      # (example of error: "Hard resetting to c968ecaf7a1942dacecd78480b3751ac74d53c33...Failed to force reset to c968ecaf7a1942dacecd78480b3751ac74d53c33: object not found!")
+    CIRRUS_CLONE_DEPTH: 50
+  gradle_cache:
+    folder: ~/.gradle/caches
+  script:
+    - ./private/cirrus/cirrus-qa.sh mysql57
+  cleanup_before_cache_script:
+    - ./private/cirrus/cleanup-gradle-cache.sh
+
+test_upgrade_mssql2017_task:
+  depends_on: build
+  # Comment the following line and commit with message "DO NOT MERGE" in order to run
+  # this task on your branch
+  only_if: $CIRRUS_TAG == "nightly-build"
+  gke_container:
+    dockerfile: private/docker/Dockerfile-build
+    builder_image_project: ci-cd-215716
+    builder_image_name: docker-builder-v1
+    cluster_name: cirrus-euw3a-cluster
+    zone: europe-west3-a
+    namespace: default
+    cpu: 1.5
+    memory: 6Gb
+    additional_containers:
+      - name: mssql
+        image: mcr.microsoft.com/mssql/server:2017-CU12-ubuntu
+        port: 1433
+        cpu: 2
+        memory: 5Gb
+        env:
+          MSSQL_PID: Developer # this is the default edition
+          ACCEPT_EULA: Y
+          SA_PASSWORD: sonarqube!1
+  env:
+    matrix:
+      QA_CATEGORY: Upgrade
+      # No need to clone the full history.
+      # Depth of 1 is not enough because it would fail the build in case of consecutive pushes
+      # (example of error: "Hard resetting to c968ecaf7a1942dacecd78480b3751ac74d53c33...Failed to force reset to c968ecaf7a1942dacecd78480b3751ac74d53c33: object not found!")
+    CIRRUS_CLONE_DEPTH: 50
+  gradle_cache:
+    folder: ~/.gradle/caches
+  script:
+    - ./private/cirrus/cirrus-qa.sh mssql2017
+  cleanup_before_cache_script:
+    - ./private/cirrus/cleanup-gradle-cache.sh
+
+
+test_upgrade_oracle12_task:
+  depends_on: build
+  # Comment the following line and commit with message "DO NOT MERGE" in order to run
+  # this task on your branch
+  only_if: $CIRRUS_TAG == "nightly-build"
+  gke_container:
+    dockerfile: private/docker/Dockerfile-build
+    builder_image_project: ci-cd-215716
+    builder_image_name: docker-builder-v1
+    cluster_name: cirrus-euw3a-cluster
+    zone: europe-west3-a
+    namespace: default
+    cpu: 1.5
+    memory: 6Gb
+    additional_containers:
+      - name: oracle
+        image: gcr.io/ci-cd-215716/oracle12:0.0.1 # see https://github.com/SonarSource/vms/blob/master/docker/README.md#oracle-12c to build it
+        port: 1521
+        cpu: 2
+        memory: 5Gb
+        env:
+          ORACLE_PWD: sonarqube
+  env:
+    matrix:
+      QA_CATEGORY: Upgrade
+      # No need to clone the full history.
+      # Depth of 1 is not enough because it would fail the build in case of consecutive pushes
+      # (example of error: "Hard resetting to c968ecaf7a1942dacecd78480b3751ac74d53c33...Failed to force reset to c968ecaf7a1942dacecd78480b3751ac74d53c33: object not found!")
+    CIRRUS_CLONE_DEPTH: 50
+  gradle_cache:
+    folder: ~/.gradle/caches
+  script:
+    - ./private/cirrus/cirrus-qa.sh oracle12
+  cleanup_before_cache_script:
+    - ./private/cirrus/cleanup-gradle-cache.sh