wmedvede commented on code in PR #2790:
URL: 
https://github.com/apache/incubator-kie-tools/pull/2790#discussion_r1894144756


##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"
+       dbMigrationCmd           = "./migration.sh"
+       dbMigrationJobFailed     = 1
+       dbMigrationJobSucceeded  = 1
+)
+
+type DBMigrationJobCfg struct {
+       JobName       string
+       ContainerName string
+       ToolImageName string
+       MigrationCmd  string
+}
+
+func getDBSchemaName(persistencePostgreSQL *operatorapi.PersistencePostgreSQL, 
defaultSchemaName string) string {
+       jdbcURL := persistencePostgreSQL.JdbcUrl
+
+       if len(jdbcURL) == 0 {
+               if persistencePostgreSQL.ServiceRef != nil && 
len(persistencePostgreSQL.ServiceRef.DatabaseSchema) > 0 {
+                       return persistencePostgreSQL.ServiceRef.DatabaseSchema
+               }
+       } else {
+               _, a, found := strings.Cut(jdbcURL, "currentSchema=")
+
+               if found {
+                       if strings.Contains(a, "&") {
+                               b, _, found := strings.Cut(a, "&")
+                               if found {
+                                       return b
+                               }
+                       } else {
+                               return a
+                       }
+               }
+       }
+       return defaultSchemaName
+}
+
+func getQuarkusDataSourceFromPersistence(ctx context.Context, platform 
*operatorapi.SonataFlowPlatform, persistence 
*operatorapi.PersistenceOptionsSpec, defaultSchemaName string) 
*QuarkusDataSource {
+       if persistence != nil && persistence.PostgreSQL != nil {
+               quarkusDataSource := &QuarkusDataSource{}
+               quarkusDataSource.JdbcUrl = persistence.PostgreSQL.JdbcUrl
+               quarkusDataSource.Username, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.UserKey, platform.Namespace)
+               quarkusDataSource.Password, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.PasswordKey, platform.Namespace)
+               quarkusDataSource.Schema = 
getDBSchemaName(persistence.PostgreSQL, defaultSchemaName)
+               return quarkusDataSource
+       }
+
+       return nil
+}
+
+func NewDBMigratorJobData(ctx context.Context, client client.Client, platform 
*operatorapi.SonataFlowPlatform, pshDI services.PlatformServiceHandler, pshJS 
services.PlatformServiceHandler) *DBMigratorJob {
+
+       diJobsBasedDBMigration := false
+       jsJobsBasedDBMigration := false
+
+       if pshDI.IsPersistenceEnabledtInSpec() {
+               diJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.DataIndex.Persistence)
+       }
+       if pshJS.IsPersistenceEnabledtInSpec() {
+               jsJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.JobService.Persistence)
+       }
+
+       if (pshDI.IsServiceSetInSpec() && diJobsBasedDBMigration) || 
(pshJS.IsServiceSetInSpec() && jsJobsBasedDBMigration) {
+               quarkusDataSourceDataIndex := &QuarkusDataSource{}
+               quarkusDataSourceJobService := &QuarkusDataSource{}
+
+               if diJobsBasedDBMigration {
+                       quarkusDataSourceDataIndex = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.DataIndex.Persistence, "defaultDi")

Review Comment:
   default schema names for the services must be consistent with what we do for 
each service, "defaultDI" is not good.
   



##########
packages/sonataflow-operator/api/v1alpha08/sonataflow_persistence_types.go:
##########
@@ -17,6 +17,14 @@
 
 package v1alpha08
 
+type DBMigrationStrategyType string
+
+const (
+       DBMigrationStrategyService DBMigrationStrategyType = "service"
+       DBMigrationStrategyJob     DBMigrationStrategyType = "job"

Review Comment:
   @rhkp @ricardozanini wondering if we should call this strategy "operator" 
instead :thinking: , and we don't "expose" how it is performed.
   



##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"
+       dbMigrationCmd           = "./migration.sh"
+       dbMigrationJobFailed     = 1
+       dbMigrationJobSucceeded  = 1
+)
+
+type DBMigrationJobCfg struct {
+       JobName       string
+       ContainerName string
+       ToolImageName string
+       MigrationCmd  string
+}
+
+func getDBSchemaName(persistencePostgreSQL *operatorapi.PersistencePostgreSQL, 
defaultSchemaName string) string {
+       jdbcURL := persistencePostgreSQL.JdbcUrl
+
+       if len(jdbcURL) == 0 {
+               if persistencePostgreSQL.ServiceRef != nil && 
len(persistencePostgreSQL.ServiceRef.DatabaseSchema) > 0 {
+                       return persistencePostgreSQL.ServiceRef.DatabaseSchema
+               }
+       } else {
+               _, a, found := strings.Cut(jdbcURL, "currentSchema=")
+
+               if found {
+                       if strings.Contains(a, "&") {
+                               b, _, found := strings.Cut(a, "&")
+                               if found {
+                                       return b
+                               }
+                       } else {
+                               return a
+                       }
+               }
+       }
+       return defaultSchemaName
+}
+
+func getQuarkusDataSourceFromPersistence(ctx context.Context, platform 
*operatorapi.SonataFlowPlatform, persistence 
*operatorapi.PersistenceOptionsSpec, defaultSchemaName string) 
*QuarkusDataSource {
+       if persistence != nil && persistence.PostgreSQL != nil {
+               quarkusDataSource := &QuarkusDataSource{}
+               quarkusDataSource.JdbcUrl = persistence.PostgreSQL.JdbcUrl
+               quarkusDataSource.Username, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.UserKey, platform.Namespace)
+               quarkusDataSource.Password, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.PasswordKey, platform.Namespace)
+               quarkusDataSource.Schema = 
getDBSchemaName(persistence.PostgreSQL, defaultSchemaName)
+               return quarkusDataSource
+       }
+
+       return nil
+}
+
+func NewDBMigratorJobData(ctx context.Context, client client.Client, platform 
*operatorapi.SonataFlowPlatform, pshDI services.PlatformServiceHandler, pshJS 
services.PlatformServiceHandler) *DBMigratorJob {
+
+       diJobsBasedDBMigration := false
+       jsJobsBasedDBMigration := false
+
+       if pshDI.IsPersistenceEnabledtInSpec() {
+               diJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.DataIndex.Persistence)
+       }
+       if pshJS.IsPersistenceEnabledtInSpec() {
+               jsJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.JobService.Persistence)
+       }
+
+       if (pshDI.IsServiceSetInSpec() && diJobsBasedDBMigration) || 
(pshJS.IsServiceSetInSpec() && jsJobsBasedDBMigration) {
+               quarkusDataSourceDataIndex := &QuarkusDataSource{}
+               quarkusDataSourceJobService := &QuarkusDataSource{}
+
+               if diJobsBasedDBMigration {
+                       quarkusDataSourceDataIndex = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.DataIndex.Persistence, "defaultDi")
+               }
+
+               if jsJobsBasedDBMigration {
+                       quarkusDataSourceJobService = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.JobService.Persistence, "defaultJs")
+               }
+
+               return &DBMigratorJob{
+                       MigrateDBDataIndex:    diJobsBasedDBMigration,
+                       DataIndexDataSource:   quarkusDataSourceDataIndex,
+                       MigrateDBJobsService:  jsJobsBasedDBMigration,
+                       JobsServiceDataSource: quarkusDataSourceJobService,
+               }
+       }
+       return nil
+}
+
+func getNewQuarkusDataSource(jdbcURL string, userName string, password string, 
schema string) *QuarkusDataSource {

Review Comment:
   I'd prefer to call this method simply newQuarkusDataSource 



##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"
+       dbMigrationCmd           = "./migration.sh"
+       dbMigrationJobFailed     = 1
+       dbMigrationJobSucceeded  = 1
+)
+
+type DBMigrationJobCfg struct {
+       JobName       string
+       ContainerName string
+       ToolImageName string
+       MigrationCmd  string
+}
+
+func getDBSchemaName(persistencePostgreSQL *operatorapi.PersistencePostgreSQL, 
defaultSchemaName string) string {
+       jdbcURL := persistencePostgreSQL.JdbcUrl
+
+       if len(jdbcURL) == 0 {
+               if persistencePostgreSQL.ServiceRef != nil && 
len(persistencePostgreSQL.ServiceRef.DatabaseSchema) > 0 {
+                       return persistencePostgreSQL.ServiceRef.DatabaseSchema
+               }
+       } else {
+               _, a, found := strings.Cut(jdbcURL, "currentSchema=")
+
+               if found {
+                       if strings.Contains(a, "&") {
+                               b, _, found := strings.Cut(a, "&")
+                               if found {
+                                       return b
+                               }
+                       } else {
+                               return a
+                       }
+               }
+       }
+       return defaultSchemaName
+}
+
+func getQuarkusDataSourceFromPersistence(ctx context.Context, platform 
*operatorapi.SonataFlowPlatform, persistence 
*operatorapi.PersistenceOptionsSpec, defaultSchemaName string) 
*QuarkusDataSource {
+       if persistence != nil && persistence.PostgreSQL != nil {
+               quarkusDataSource := &QuarkusDataSource{}
+               quarkusDataSource.JdbcUrl = persistence.PostgreSQL.JdbcUrl
+               quarkusDataSource.Username, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.UserKey, platform.Namespace)
+               quarkusDataSource.Password, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.PasswordKey, platform.Namespace)
+               quarkusDataSource.Schema = 
getDBSchemaName(persistence.PostgreSQL, defaultSchemaName)
+               return quarkusDataSource
+       }
+
+       return nil
+}
+
+func NewDBMigratorJobData(ctx context.Context, client client.Client, platform 
*operatorapi.SonataFlowPlatform, pshDI services.PlatformServiceHandler, pshJS 
services.PlatformServiceHandler) *DBMigratorJob {
+
+       diJobsBasedDBMigration := false
+       jsJobsBasedDBMigration := false
+
+       if pshDI.IsPersistenceEnabledtInSpec() {
+               diJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.DataIndex.Persistence)
+       }
+       if pshJS.IsPersistenceEnabledtInSpec() {
+               jsJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.JobService.Persistence)
+       }
+
+       if (pshDI.IsServiceSetInSpec() && diJobsBasedDBMigration) || 
(pshJS.IsServiceSetInSpec() && jsJobsBasedDBMigration) {
+               quarkusDataSourceDataIndex := &QuarkusDataSource{}
+               quarkusDataSourceJobService := &QuarkusDataSource{}
+
+               if diJobsBasedDBMigration {
+                       quarkusDataSourceDataIndex = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.DataIndex.Persistence, "defaultDi")
+               }
+
+               if jsJobsBasedDBMigration {
+                       quarkusDataSourceJobService = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.JobService.Persistence, "defaultJs")

Review Comment:
   same here, default schema name "defaultJs", not good.



##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"

Review Comment:
   align with the new name apache/incubator-kie-kogito-db-migrator-tool and be 
sure that:
   
   1. the tag is derived with a mechanism similar to what we have for the 
DataIndex and Jobs Serivce
   2. we have a corresponding entry in the 
packages/sonataflow-operator/config/manager/controllers_cfg.yaml, and that we 
do an analogous processing to what we do for the DataIndex and Jobs Service 
images.
   i.e., if we have an image configured in the controllers_cfg.yaml, then, this 
image wins. see also, 
packages/sonataflow-operator/internal/controller/cfg/controllers_cfg.go and the 
processing we do for DI and JS.
   If not, we must still get the image name and mostly the tag from a common 
place, see: 
https://github.com/apache/incubator-kie-tools/blob/3933d90d67c8272813200b3c5615bf02a4ba49d0/packages/sonataflow-operator/internal/controller/platform/services/services.go#L141
   



##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"
+       dbMigrationCmd           = "./migration.sh"
+       dbMigrationJobFailed     = 1
+       dbMigrationJobSucceeded  = 1
+)
+
+type DBMigrationJobCfg struct {
+       JobName       string
+       ContainerName string
+       ToolImageName string
+       MigrationCmd  string
+}
+
+func getDBSchemaName(persistencePostgreSQL *operatorapi.PersistencePostgreSQL, 
defaultSchemaName string) string {

Review Comment:
   I think this method is not covering all cases well.
   
   Follow the PersistencePostgreSQL struct, and see: PostgreSQLServiceOptions
   
   
   type PostgreSQLServiceOptions struct {
        *SQLServiceOptions `json:",inline"`
        // Schema of postgresql database to be used. Defaults to 
"data-index-service"
        // +optional
        DatabaseSchema string `json:"databaseSchema,omitempty"`
   }
   
   Take a look at this also please: 
https://sonataflow.org/serverlessworkflow/main/cloud/operator/supporting-services.html#_configuring_the_supporting_services_persistence
   
   The services persistence configurations supports various configuration 
alternatives.
   
   



##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"
+       dbMigrationCmd           = "./migration.sh"
+       dbMigrationJobFailed     = 1
+       dbMigrationJobSucceeded  = 1
+)
+
+type DBMigrationJobCfg struct {
+       JobName       string
+       ContainerName string
+       ToolImageName string
+       MigrationCmd  string
+}
+
+func getDBSchemaName(persistencePostgreSQL *operatorapi.PersistencePostgreSQL, 
defaultSchemaName string) string {
+       jdbcURL := persistencePostgreSQL.JdbcUrl
+
+       if len(jdbcURL) == 0 {
+               if persistencePostgreSQL.ServiceRef != nil && 
len(persistencePostgreSQL.ServiceRef.DatabaseSchema) > 0 {
+                       return persistencePostgreSQL.ServiceRef.DatabaseSchema
+               }
+       } else {
+               _, a, found := strings.Cut(jdbcURL, "currentSchema=")
+
+               if found {
+                       if strings.Contains(a, "&") {
+                               b, _, found := strings.Cut(a, "&")
+                               if found {
+                                       return b
+                               }
+                       } else {
+                               return a
+                       }
+               }
+       }
+       return defaultSchemaName
+}
+
+func getQuarkusDataSourceFromPersistence(ctx context.Context, platform 
*operatorapi.SonataFlowPlatform, persistence 
*operatorapi.PersistenceOptionsSpec, defaultSchemaName string) 
*QuarkusDataSource {
+       if persistence != nil && persistence.PostgreSQL != nil {
+               quarkusDataSource := &QuarkusDataSource{}
+               quarkusDataSource.JdbcUrl = persistence.PostgreSQL.JdbcUrl
+               quarkusDataSource.Username, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.UserKey, platform.Namespace)
+               quarkusDataSource.Password, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.PasswordKey, platform.Namespace)
+               quarkusDataSource.Schema = 
getDBSchemaName(persistence.PostgreSQL, defaultSchemaName)
+               return quarkusDataSource
+       }
+
+       return nil
+}
+
+func NewDBMigratorJobData(ctx context.Context, client client.Client, platform 
*operatorapi.SonataFlowPlatform, pshDI services.PlatformServiceHandler, pshJS 
services.PlatformServiceHandler) *DBMigratorJob {
+
+       diJobsBasedDBMigration := false
+       jsJobsBasedDBMigration := false
+
+       if pshDI.IsPersistenceEnabledtInSpec() {
+               diJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.DataIndex.Persistence)
+       }
+       if pshJS.IsPersistenceEnabledtInSpec() {
+               jsJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.JobService.Persistence)
+       }
+
+       if (pshDI.IsServiceSetInSpec() && diJobsBasedDBMigration) || 
(pshJS.IsServiceSetInSpec() && jsJobsBasedDBMigration) {
+               quarkusDataSourceDataIndex := &QuarkusDataSource{}
+               quarkusDataSourceJobService := &QuarkusDataSource{}
+
+               if diJobsBasedDBMigration {
+                       quarkusDataSourceDataIndex = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.DataIndex.Persistence, "defaultDi")
+               }
+
+               if jsJobsBasedDBMigration {
+                       quarkusDataSourceJobService = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.JobService.Persistence, "defaultJs")
+               }
+
+               return &DBMigratorJob{
+                       MigrateDBDataIndex:    diJobsBasedDBMigration,
+                       DataIndexDataSource:   quarkusDataSourceDataIndex,
+                       MigrateDBJobsService:  jsJobsBasedDBMigration,
+                       JobsServiceDataSource: quarkusDataSourceJobService,
+               }
+       }
+       return nil
+}
+
+func getNewQuarkusDataSource(jdbcURL string, userName string, password string, 
schema string) *QuarkusDataSource {
+       return &QuarkusDataSource{
+               JdbcUrl:  jdbcURL,
+               Username: userName,
+               Password: password,
+               Schema:   schema,
+       }
+}
+
+// CreateJobDBMigration Creates DB Migration Job and returns to the caller
+func (dbmj DBMigratorJob) CreateJobDBMigration(platform 
*operatorapi.SonataFlowPlatform) *batchv1.Job {
+
+       diQuarkusDataSource := getNewQuarkusDataSource("", "", "", "")
+       jsQuarkusDataSource := getNewQuarkusDataSource("", "", "", "")
+
+       if dbmj.DataIndexDataSource != nil {
+               diQuarkusDataSource.JdbcUrl = dbmj.DataIndexDataSource.JdbcUrl
+               diQuarkusDataSource.Username = dbmj.DataIndexDataSource.Username
+               diQuarkusDataSource.Password = dbmj.DataIndexDataSource.Password
+               diQuarkusDataSource.Schema = dbmj.DataIndexDataSource.Schema
+       }
+
+       if dbmj.JobsServiceDataSource != nil {
+               jsQuarkusDataSource.JdbcUrl = dbmj.JobsServiceDataSource.JdbcUrl
+               jsQuarkusDataSource.Username = 
dbmj.JobsServiceDataSource.Username
+               jsQuarkusDataSource.Password = 
dbmj.JobsServiceDataSource.Password
+               jsQuarkusDataSource.Schema = dbmj.JobsServiceDataSource.Schema
+       }
+
+       dbMigrationJobCfg := getDBMigrationJobCfg()
+       job := &batchv1.Job{
+               ObjectMeta: metav1.ObjectMeta{
+                       Name:      dbMigrationJobCfg.JobName,
+                       Namespace: platform.Namespace,
+               },
+               Spec: batchv1.JobSpec{
+                       Template: corev1.PodTemplateSpec{
+                               Spec: corev1.PodSpec{
+                                       Containers: []corev1.Container{
+                                               {
+                                                       Name:  
dbMigrationJobCfg.ContainerName,
+                                                       Image: 
dbMigrationJobCfg.ToolImageName,
+                                                       Env: []corev1.EnvVar{
+                                                               {
+                                                                       Name:  
"MIGRATE_DB_DATAINDEX",
+                                                                       Value: 
strconv.FormatBool(dbmj.MigrateDBDataIndex),
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_DATASOURCE_DATAINDEX_JDBC_URL",
+                                                                       Value: 
diQuarkusDataSource.JdbcUrl,
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_DATASOURCE_DATAINDEX_USERNAME",
+                                                                       Value: 
diQuarkusDataSource.Username,
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_DATASOURCE_DATAINDEX_PASSWORD",
+                                                                       Value: 
diQuarkusDataSource.Password,
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_FLYWAY_DATAINDEX_SCHEMAS",
+                                                                       Value: 
diQuarkusDataSource.Schema,
+                                                               },
+                                                               {
+                                                                       Name:  
"MIGRATE_DB_JOBSSERVICE",
+                                                                       Value: 
strconv.FormatBool(dbmj.MigrateDBJobsService),
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_DATASOURCE_JOBSSERVICE_JDBC_URL",
+                                                                       Value: 
jsQuarkusDataSource.JdbcUrl,
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_DATASOURCE_JOBSSERVICE_USERNAME",
+                                                                       Value: 
jsQuarkusDataSource.Username,
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_DATASOURCE_JOBSSERVICE_PASSWORD",
+                                                                       Value: 
jsQuarkusDataSource.Password,
+                                                               },
+                                                               {
+                                                                       Name:  
"QUARKUS_FLYWAY_JOBSSERVICE_SCHEMAS",
+                                                                       Value: 
jsQuarkusDataSource.Schema,
+                                                               },
+                                                       },
+                                                       Command: []string{
+                                                               
dbMigrationJobCfg.MigrationCmd,
+                                                       },
+                                               },
+                                       },
+                                       RestartPolicy: "Never",
+                               },
+                       },
+                       BackoffLimit: pointer.Int32(0),
+               },
+       }
+       return job
+}
+
+// GetDBMigrationJobStatus Returns db migration job status
+func (dbmj DBMigratorJob) GetDBMigrationJobStatus(ctx context.Context, client 
client.Client, platform *operatorapi.SonataFlowPlatform) (*batchv1.JobStatus, 
error) {
+       job, err := client.BatchV1().Jobs(platform.Namespace).Get(ctx, 
dbMigrationJobName, metav1.GetOptions{})
+       if err != nil {
+               klog.V(log.E).InfoS("Error getting DB migrator job while 
monitoring completion: ", "error", err)
+               return nil, err
+       }
+       return &job.Status, nil
+}
+
+// NewSonataFlowPlatformDBMigrationPhase Returns a new DB migration phase for 
SonataFlowPlatform
+func NewSonataFlowPlatformDBMigrationPhase(status 
operatorapi.DBMigrationStatus, message string, reason string) 
*operatorapi.SonataFlowPlatformDBMigrationPhase {
+       return &operatorapi.SonataFlowPlatformDBMigrationPhase{
+               Status:  status,
+               Message: message,
+               Reason:  reason,
+       }
+}
+
+// UpdateSonataFlowPlatformDBMigrationPhase Updates a given 
SonataFlowPlatformDBMigrationPhase with the supplied values
+func UpdateSonataFlowPlatformDBMigrationPhase(dbMigrationStatus 
*operatorapi.SonataFlowPlatformDBMigrationPhase, status 
operatorapi.DBMigrationStatus, message string, reason string) 
*operatorapi.SonataFlowPlatformDBMigrationPhase {
+       if dbMigrationStatus != nil {
+               dbMigrationStatus.Status = status
+               dbMigrationStatus.Message = message
+               dbMigrationStatus.Reason = reason
+               return dbMigrationStatus
+       }
+       return nil
+}
+
+func getDBMigrationJobCfg() *DBMigrationJobCfg {

Review Comment:
   newDBMigrationJobCfg  instead?



##########
packages/sonataflow-operator/internal/controller/platform/db_migrator_job.go:
##########
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package platform
+
+import (
+       "context"
+       "errors"
+       "strconv"
+       "strings"
+
+       batchv1 "k8s.io/api/batch/v1"
+       corev1 "k8s.io/api/core/v1"
+       metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+       "k8s.io/klog/v2"
+       "k8s.io/utils/pointer"
+
+       operatorapi 
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/api/v1alpha08"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/container-builder/client"
+       
"github.com/apache/incubator-kie-tools/packages/sonataflow-operator/internal/controller/platform/services"
+       "github.com/apache/incubator-kie-tools/packages/sonataflow-operator/log"
+)
+
+type QuarkusDataSource struct {
+       JdbcUrl  string
+       Username string
+       Password string
+       Schema   string
+}
+
+type DBMigratorJob struct {
+       MigrateDBDataIndex    bool
+       DataIndexDataSource   *QuarkusDataSource
+       MigrateDBJobsService  bool
+       JobsServiceDataSource *QuarkusDataSource
+}
+
+const (
+       dbMigrationJobName       = "sonataflow-db-migrator-job"
+       dbMigrationContainerName = "db-migration-container"
+       dbMigratorToolImage      = 
"quay.io/rhkp/incubator-kie-kogito-service-db-migration-postgresql:latest"
+       dbMigrationCmd           = "./migration.sh"
+       dbMigrationJobFailed     = 1
+       dbMigrationJobSucceeded  = 1
+)
+
+type DBMigrationJobCfg struct {
+       JobName       string
+       ContainerName string
+       ToolImageName string
+       MigrationCmd  string
+}
+
+func getDBSchemaName(persistencePostgreSQL *operatorapi.PersistencePostgreSQL, 
defaultSchemaName string) string {
+       jdbcURL := persistencePostgreSQL.JdbcUrl
+
+       if len(jdbcURL) == 0 {
+               if persistencePostgreSQL.ServiceRef != nil && 
len(persistencePostgreSQL.ServiceRef.DatabaseSchema) > 0 {
+                       return persistencePostgreSQL.ServiceRef.DatabaseSchema
+               }
+       } else {
+               _, a, found := strings.Cut(jdbcURL, "currentSchema=")
+
+               if found {
+                       if strings.Contains(a, "&") {
+                               b, _, found := strings.Cut(a, "&")
+                               if found {
+                                       return b
+                               }
+                       } else {
+                               return a
+                       }
+               }
+       }
+       return defaultSchemaName
+}
+
+func getQuarkusDataSourceFromPersistence(ctx context.Context, platform 
*operatorapi.SonataFlowPlatform, persistence 
*operatorapi.PersistenceOptionsSpec, defaultSchemaName string) 
*QuarkusDataSource {
+       if persistence != nil && persistence.PostgreSQL != nil {
+               quarkusDataSource := &QuarkusDataSource{}
+               quarkusDataSource.JdbcUrl = persistence.PostgreSQL.JdbcUrl
+               quarkusDataSource.Username, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.UserKey, platform.Namespace)
+               quarkusDataSource.Password, _ = 
services.GetSecretKeyValueString(ctx, persistence.PostgreSQL.SecretRef.Name, 
persistence.PostgreSQL.SecretRef.PasswordKey, platform.Namespace)
+               quarkusDataSource.Schema = 
getDBSchemaName(persistence.PostgreSQL, defaultSchemaName)
+               return quarkusDataSource
+       }
+
+       return nil
+}
+
+func NewDBMigratorJobData(ctx context.Context, client client.Client, platform 
*operatorapi.SonataFlowPlatform, pshDI services.PlatformServiceHandler, pshJS 
services.PlatformServiceHandler) *DBMigratorJob {
+
+       diJobsBasedDBMigration := false
+       jsJobsBasedDBMigration := false
+
+       if pshDI.IsPersistenceEnabledtInSpec() {
+               diJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.DataIndex.Persistence)
+       }
+       if pshJS.IsPersistenceEnabledtInSpec() {
+               jsJobsBasedDBMigration = 
services.IsJobsBasedDBMigration(platform.Spec.Services.JobService.Persistence)
+       }
+
+       if (pshDI.IsServiceSetInSpec() && diJobsBasedDBMigration) || 
(pshJS.IsServiceSetInSpec() && jsJobsBasedDBMigration) {
+               quarkusDataSourceDataIndex := &QuarkusDataSource{}
+               quarkusDataSourceJobService := &QuarkusDataSource{}
+
+               if diJobsBasedDBMigration {
+                       quarkusDataSourceDataIndex = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.DataIndex.Persistence, "defaultDi")
+               }
+
+               if jsJobsBasedDBMigration {
+                       quarkusDataSourceJobService = 
getQuarkusDataSourceFromPersistence(ctx, platform, 
platform.Spec.Services.JobService.Persistence, "defaultJs")
+               }
+
+               return &DBMigratorJob{
+                       MigrateDBDataIndex:    diJobsBasedDBMigration,
+                       DataIndexDataSource:   quarkusDataSourceDataIndex,
+                       MigrateDBJobsService:  jsJobsBasedDBMigration,
+                       JobsServiceDataSource: quarkusDataSourceJobService,
+               }
+       }
+       return nil
+}
+
+func getNewQuarkusDataSource(jdbcURL string, userName string, password string, 
schema string) *QuarkusDataSource {
+       return &QuarkusDataSource{
+               JdbcUrl:  jdbcURL,
+               Username: userName,
+               Password: password,
+               Schema:   schema,
+       }
+}
+
+// CreateJobDBMigration Creates DB Migration Job and returns to the caller
+func (dbmj DBMigratorJob) CreateJobDBMigration(platform 
*operatorapi.SonataFlowPlatform) *batchv1.Job {
+
+       diQuarkusDataSource := getNewQuarkusDataSource("", "", "", "")
+       jsQuarkusDataSource := getNewQuarkusDataSource("", "", "", "")
+
+       if dbmj.DataIndexDataSource != nil {
+               diQuarkusDataSource.JdbcUrl = dbmj.DataIndexDataSource.JdbcUrl
+               diQuarkusDataSource.Username = dbmj.DataIndexDataSource.Username
+               diQuarkusDataSource.Password = dbmj.DataIndexDataSource.Password
+               diQuarkusDataSource.Schema = dbmj.DataIndexDataSource.Schema
+       }
+
+       if dbmj.JobsServiceDataSource != nil {
+               jsQuarkusDataSource.JdbcUrl = dbmj.JobsServiceDataSource.JdbcUrl
+               jsQuarkusDataSource.Username = 
dbmj.JobsServiceDataSource.Username
+               jsQuarkusDataSource.Password = 
dbmj.JobsServiceDataSource.Password
+               jsQuarkusDataSource.Schema = dbmj.JobsServiceDataSource.Schema
+       }
+
+       dbMigrationJobCfg := getDBMigrationJobCfg()
+       job := &batchv1.Job{
+               ObjectMeta: metav1.ObjectMeta{
+                       Name:      dbMigrationJobCfg.JobName,
+                       Namespace: platform.Namespace,
+               },
+               Spec: batchv1.JobSpec{
+                       Template: corev1.PodTemplateSpec{
+                               Spec: corev1.PodSpec{
+                                       Containers: []corev1.Container{
+                                               {
+                                                       Name:  
dbMigrationJobCfg.ContainerName,
+                                                       Image: 
dbMigrationJobCfg.ToolImageName,
+                                                       Env: []corev1.EnvVar{
+                                                               {
+                                                                       Name:  
"MIGRATE_DB_DATAINDEX",

Review Comment:
   I think we should use constants for this env var names.



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