github.com/IBM-Blockchain/fabric-operator@v1.0.4/pkg/migrator/peer/fabric/migrator.go (about)

     1  /*
     2   * Copyright contributors to the Hyperledger Fabric Operator project
     3   *
     4   * SPDX-License-Identifier: Apache-2.0
     5   *
     6   * Licensed under the Apache License, Version 2.0 (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at:
     9   *
    10   * 	  http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing, software
    13   * distributed under the License is distributed on an "AS IS" BASIS,
    14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15   * See the License for the specific language governing permissions and
    16   * limitations under the License.
    17   */
    18  
    19  package fabric
    20  
    21  import (
    22  	config "github.com/IBM-Blockchain/fabric-operator/operatorconfig"
    23  	"github.com/pkg/errors"
    24  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    25  
    26  	logf "sigs.k8s.io/controller-runtime/pkg/log"
    27  )
    28  
    29  var log = logf.Log.WithName("peer_fabric_migrator")
    30  
    31  type Version string
    32  
    33  const (
    34  	V2 Version = "V2"
    35  )
    36  
    37  //go:generate counterfeiter -o mocks/migrator.go -fake-name Migrator . Migrator
    38  type Migrator interface {
    39  	MigrationNeeded(metav1.Object) bool
    40  	UpgradeDBs(metav1.Object, config.DBMigrationTimeouts) error
    41  	UpdateConfig(metav1.Object, string) error
    42  	SetChaincodeLauncherResourceOnCR(metav1.Object) error
    43  }
    44  
    45  func V2Migrate(instance metav1.Object, migrator Migrator, version string, timeouts config.DBMigrationTimeouts) error {
    46  	if !migrator.MigrationNeeded(instance) {
    47  		log.Info("Migration not needed, skipping migration")
    48  		return nil
    49  	}
    50  	log.Info("Migration is needed, starting migration")
    51  
    52  	if err := migrator.SetChaincodeLauncherResourceOnCR(instance); err != nil {
    53  		return errors.Wrap(err, "failed to update chaincode launcher resources on CR")
    54  	}
    55  
    56  	if err := migrator.UpdateConfig(instance, version); err != nil {
    57  		return errors.Wrap(err, "failed to update config")
    58  	}
    59  
    60  	if err := migrator.UpgradeDBs(instance, timeouts); err != nil {
    61  		return errors.Wrap(err, "failed to upgrade peer's dbs")
    62  	}
    63  
    64  	return nil
    65  }
    66  
    67  func V24Migrate(instance metav1.Object, migrator Migrator, version string, timeouts config.DBMigrationTimeouts) error {
    68  	if err := migrator.UpdateConfig(instance, version); err != nil {
    69  		return errors.Wrap(err, "failed to update v2.4.1 configs")
    70  	}
    71  	return nil
    72  }