github.com/lologarithm/mattermost-server@v5.3.2-0.20181002060438-c82a84ed765b+incompatible/migrations/migrations.go (about)

     1  // Copyright (c) 2018-present Mattermost, Inc. All Rights Reserved.
     2  // See License.txt for license information.
     3  
     4  package migrations
     5  
     6  import (
     7  	"github.com/mattermost/mattermost-server/app"
     8  	tjobs "github.com/mattermost/mattermost-server/jobs/interfaces"
     9  	"github.com/mattermost/mattermost-server/model"
    10  	"github.com/mattermost/mattermost-server/store"
    11  )
    12  
    13  const (
    14  	MIGRATION_STATE_UNSCHEDULED = "unscheduled"
    15  	MIGRATION_STATE_IN_PROGRESS = "in_progress"
    16  	MIGRATION_STATE_COMPLETED   = "completed"
    17  
    18  	JOB_DATA_KEY_MIGRATION           = "migration_key"
    19  	JOB_DATA_KEY_MIGRATION_LAST_DONE = "last_done"
    20  )
    21  
    22  type MigrationsJobInterfaceImpl struct {
    23  	App *app.App
    24  }
    25  
    26  func init() {
    27  	app.RegisterJobsMigrationsJobInterface(func(a *app.App) tjobs.MigrationsJobInterface {
    28  		return &MigrationsJobInterfaceImpl{a}
    29  	})
    30  }
    31  
    32  func MakeMigrationsList() []string {
    33  	return []string{
    34  		model.MIGRATION_KEY_ADVANCED_PERMISSIONS_PHASE_2,
    35  	}
    36  }
    37  
    38  func GetMigrationState(migration string, store store.Store) (string, *model.Job, *model.AppError) {
    39  	if result := <-store.System().GetByName(migration); result.Err == nil {
    40  		return MIGRATION_STATE_COMPLETED, nil, nil
    41  	}
    42  
    43  	if result := <-store.Job().GetAllByType(model.JOB_TYPE_MIGRATIONS); result.Err != nil {
    44  		return "", nil, result.Err
    45  	} else {
    46  		for _, job := range result.Data.([]*model.Job) {
    47  			if key, ok := job.Data[JOB_DATA_KEY_MIGRATION]; ok {
    48  				if key != migration {
    49  					continue
    50  				}
    51  
    52  				switch job.Status {
    53  				case model.JOB_STATUS_IN_PROGRESS, model.JOB_STATUS_PENDING:
    54  					return MIGRATION_STATE_IN_PROGRESS, job, nil
    55  				default:
    56  					return MIGRATION_STATE_UNSCHEDULED, job, nil
    57  				}
    58  			}
    59  		}
    60  	}
    61  
    62  	return MIGRATION_STATE_UNSCHEDULED, nil, nil
    63  }