Exemple #1
0
// GetAllTablets returns a sorted list of tablets.
func GetAllTablets(ctx context.Context, ts topo.Server, cell string) ([]*topo.TabletInfo, error) {
	aliases, err := ts.GetTabletsByCell(ctx, cell)
	if err != nil {
		return nil, err
	}
	sort.Sort(topoproto.TabletAliasList(aliases))

	tabletMap, err := ts.GetTabletMap(ctx, aliases)
	if err != nil {
		// we got another error than topo.ErrNoNode
		return nil, err
	}
	tablets := make([]*topo.TabletInfo, 0, len(aliases))
	for _, tabletAlias := range aliases {
		tabletInfo, ok := tabletMap[*tabletAlias]
		if !ok {
			// tablet disappeared on us (GetTabletMap ignores
			// topo.ErrNoNode), just echo a warning
			log.Warningf("failed to load tablet %v", tabletAlias)
		} else {
			tablets = append(tablets, tabletInfo)
		}
	}

	return tablets, nil
}