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| 1 | +// |
| 2 | +// DISCLAIMER |
| 3 | +// |
| 4 | +// Copyright 2020 ArangoDB GmbH, Cologne, Germany |
| 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 | +// Copyright holder is ArangoDB GmbH, Cologne, Germany |
| 19 | +// |
| 20 | +// Author Adam Janikowski |
| 21 | +// |
| 22 | + |
| 23 | +package reconcile |
| 24 | + |
| 25 | +import ( |
| 26 | + "context" |
| 27 | + |
| 28 | + "github.com/arangodb/go-driver" |
| 29 | + |
| 30 | + api "github.com/arangodb/kube-arangodb/pkg/apis/deployment/v1" |
| 31 | + "github.com/rs/zerolog" |
| 32 | +) |
| 33 | + |
| 34 | +func init() { |
| 35 | + registerAction(api.ActionTypeBackupRestore, newBackupRestoreAction) |
| 36 | +} |
| 37 | + |
| 38 | +func newBackupRestoreAction(log zerolog.Logger, action api.Action, actionCtx ActionContext) Action { |
| 39 | + a := &actionBackupRestore{} |
| 40 | + |
| 41 | + a.actionImpl = newActionImplDefRef(log, action, actionCtx, backupRestoreTimeout) |
| 42 | + |
| 43 | + return a |
| 44 | +} |
| 45 | + |
| 46 | +// actionBackupRestore implements an BackupRestore. |
| 47 | +type actionBackupRestore struct { |
| 48 | + // actionImpl implement timeout and member id functions |
| 49 | + actionImpl |
| 50 | + |
| 51 | + actionEmptyCheckProgress |
| 52 | +} |
| 53 | + |
| 54 | +func (a actionBackupRestore) Start(ctx context.Context) (bool, error) { |
| 55 | + spec := a.actionCtx.GetSpec() |
| 56 | + status := a.actionCtx.GetStatus() |
| 57 | + |
| 58 | + if spec.RestoreFrom == nil { |
| 59 | + return true, nil |
| 60 | + } |
| 61 | + |
| 62 | + if status.Restore != nil { |
| 63 | + a.log.Warn().Msg("Backup restore status should not be nil") |
| 64 | + return true, nil |
| 65 | + } |
| 66 | + |
| 67 | + dbc, err := a.actionCtx.GetDatabaseClient(ctx) |
| 68 | + if err != nil { |
| 69 | + return false, err |
| 70 | + } |
| 71 | + |
| 72 | + backupResource, err := a.actionCtx.GetBackup(*spec.RestoreFrom) |
| 73 | + if err != nil { |
| 74 | + a.log.Error().Err(err).Msg("Unable to find backup") |
| 75 | + return true, nil |
| 76 | + } |
| 77 | + |
| 78 | + if backupResource.Status.Backup == nil { |
| 79 | + a.log.Error().Msg("Backup ID is not set") |
| 80 | + return true, nil |
| 81 | + } |
| 82 | + |
| 83 | + if err := a.actionCtx.WithStatusUpdate(func(s *api.DeploymentStatus) bool { |
| 84 | + result := &api.DeploymentRestoreResult{ |
| 85 | + RequestedFrom: spec.GetRestoreFrom(), |
| 86 | + } |
| 87 | + |
| 88 | + result.State = api.DeploymentRestoreStateRestoring |
| 89 | + |
| 90 | + s.Restore = result |
| 91 | + |
| 92 | + return true |
| 93 | + }, true); err != nil { |
| 94 | + return false, err |
| 95 | + } |
| 96 | + |
| 97 | + restoreError := dbc.Backup().Restore(ctx, driver.BackupID(backupResource.Status.Backup.ID), nil) |
| 98 | + if restoreError != nil { |
| 99 | + a.log.Error().Err(restoreError).Msg("Restore failed") |
| 100 | + } |
| 101 | + |
| 102 | + if err := a.actionCtx.WithStatusUpdate(func(s *api.DeploymentStatus) bool { |
| 103 | + result := &api.DeploymentRestoreResult{ |
| 104 | + RequestedFrom: spec.GetRestoreFrom(), |
| 105 | + } |
| 106 | + |
| 107 | + if restoreError != nil { |
| 108 | + result.State = api.DeploymentRestoreStateRestoreFailed |
| 109 | + result.Message = restoreError.Error() |
| 110 | + } else { |
| 111 | + result.State = api.DeploymentRestoreStateRestored |
| 112 | + } |
| 113 | + |
| 114 | + s.Restore = result |
| 115 | + |
| 116 | + return true |
| 117 | + }); err != nil { |
| 118 | + a.log.Error().Err(err).Msg("Unable to ser restored state") |
| 119 | + return false, err |
| 120 | + } |
| 121 | + |
| 122 | + return true, nil |
| 123 | +} |
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