コード例 #1
0
ファイル: migrator.go プロジェクト: dilgerma/grafana
func (mg *Migrator) Start() error {
	if mg.LogLevel <= log.INFO {
		log.Info("Migrator: Starting DB migration")
	}

	logMap, err := mg.GetMigrationLog()
	if err != nil {
		return err
	}

	for _, m := range mg.migrations {
		_, exists := logMap[m.Id()]
		if exists {
			if mg.LogLevel <= log.DEBUG {
				log.Debug("Migrator: Skipping migration: %v, Already executed", m.Id())
			}
			continue
		}

		sql := m.Sql(mg.dialect)

		record := MigrationLog{
			MigrationId: m.Id(),
			Sql:         sql,
			Timestamp:   time.Now(),
		}

		if mg.LogLevel <= log.DEBUG {
			log.Debug("Migrator: Executing SQL: \n %v \n", sql)
		}

		if err := mg.exec(m); err != nil {
			log.Error(3, "Migrator: error: \n%s:\n%s", err, sql)
			record.Error = err.Error()
			mg.x.Insert(&record)
			return err
		} else {
			record.Success = true
			mg.x.Insert(&record)
		}
	}

	return nil
}
コード例 #2
0
ファイル: quota.go プロジェクト: dilgerma/grafana
func QuotaReached(c *Context, target string) (bool, error) {
	if !setting.Quota.Enabled {
		return false, nil
	}

	// get the list of scopes that this target is valid for. Org, User, Global
	scopes, err := m.GetQuotaScopes(target)
	if err != nil {
		return false, err
	}

	log.Debug(fmt.Sprintf("checking quota for %s in scopes %v", target, scopes))

	for _, scope := range scopes {
		log.Debug(fmt.Sprintf("checking scope %s", scope.Name))

		switch scope.Name {
		case "global":
			if scope.DefaultLimit < 0 {
				continue
			}
			if scope.DefaultLimit == 0 {
				return true, nil
			}
			if target == "session" {
				usedSessions := getSessionCount()
				if int64(usedSessions) > scope.DefaultLimit {
					log.Debug(fmt.Sprintf("%d sessions active, limit is %d", usedSessions, scope.DefaultLimit))
					return true, nil
				}
				continue
			}
			query := m.GetGlobalQuotaByTargetQuery{Target: scope.Target}
			if err := bus.Dispatch(&query); err != nil {
				return true, err
			}
			if query.Result.Used >= scope.DefaultLimit {
				return true, nil
			}
		case "org":
			if !c.IsSignedIn {
				continue
			}
			query := m.GetOrgQuotaByTargetQuery{OrgId: c.OrgId, Target: scope.Target, Default: scope.DefaultLimit}
			if err := bus.Dispatch(&query); err != nil {
				return true, err
			}
			if query.Result.Limit < 0 {
				continue
			}
			if query.Result.Limit == 0 {
				return true, nil
			}

			if query.Result.Used >= query.Result.Limit {
				return true, nil
			}
		case "user":
			if !c.IsSignedIn || c.UserId == 0 {
				continue
			}
			query := m.GetUserQuotaByTargetQuery{UserId: c.UserId, Target: scope.Target, Default: scope.DefaultLimit}
			if err := bus.Dispatch(&query); err != nil {
				return true, err
			}
			if query.Result.Limit < 0 {
				continue
			}
			if query.Result.Limit == 0 {
				return true, nil
			}

			if query.Result.Used >= query.Result.Limit {
				return true, nil
			}
		}
	}

	return false, nil
}