[#113] cli: add "name" option for "get container" command

* Make get container command filter out the container by attribute name

Signed-off-by: Airat Arifullin a.arifullin@yadro.com

cmd/frostfs-cli/modules/container/list.go

@@ -8,6 +8,7 @@ import (
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/commonflags"
 	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
 	commonCmd "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/internal/common"
+	containerSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container"
 	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/user"
 	"github.com/spf13/cobra"
 )
@@ -16,12 +17,14 @@ import (
 const (
 	flagListPrintAttr      = "with-attr"
 	flagListContainerOwner = "owner"
+	flagListName           = "name"
 )
 
 // flag vars of list command.
 var (
 	flagVarListPrintAttr      bool
 	flagVarListContainerOwner string
+	flagVarListName           string
 )
 
 var listContainersCmd = &cobra.Command{
@@ -52,24 +55,33 @@ var listContainersCmd = &cobra.Command{
 		var prmGet internalclient.GetContainerPrm
 		prmGet.SetClient(cli)
 
-		list := res.IDList()
-		for i := range list {
-			cmd.Println(list[i].String())
+		containerIDs := res.IDList()
+		for _, cnrID := range containerIDs {
+			if flagVarListName == "" && !flagVarListPrintAttr {
+				cmd.Println(cnrID.String())
+				continue
+			}
+
+			prmGet.SetContainer(cnrID)
+			res, err := internalclient.GetContainer(prmGet)
+			if err != nil {
+				cmd.Printf("  failed to read attributes: %v\n", err)
+				continue
+			}
+
+			cnr := res.Container()
+			if cnrName := containerSDK.Name(cnr); flagVarListName != "" && cnrName != flagVarListName {
+				continue
+			}
+			cmd.Println(cnrID.String())
 
 			if flagVarListPrintAttr {
-				prmGet.SetContainer(list[i])
-
-				res, err := internalclient.GetContainer(prmGet)
-				if err == nil {
-					res.Container().IterateAttributes(func(key, val string) {
-						if !strings.HasPrefix(key, container.SysAttributePrefix) && !strings.HasPrefix(key, container.SysAttributePrefixNeoFS) {
-							// FIXME(@cthulhu-rider): neofs-sdk-go#314 use dedicated method to skip system attributes
-							cmd.Printf("  %s: %s\n", key, val)
-						}
-					})
-				} else {
-					cmd.Printf("  failed to read attributes: %v\n", err)
-				}
+				cnr.IterateAttributes(func(key, val string) {
+					if !strings.HasPrefix(key, container.SysAttributePrefix) && !strings.HasPrefix(key, container.SysAttributePrefixNeoFS) {
+						// FIXME(@cthulhu-rider): neofs-sdk-go#314 use dedicated method to skip system attributes
+						cmd.Printf("  %s: %s\n", key, val)
+					}
+				})
 			}
 		}
 	},
@@ -80,6 +92,9 @@ func initContainerListContainersCmd() {
 
 	flags := listContainersCmd.Flags()
 
+	flags.StringVar(&flagVarListName, flagListName, "",
+		"List containers by the attribute name",
+	)
 	flags.StringVar(&flagVarListContainerOwner, flagListContainerOwner, "",
 		"Owner of containers (omit to use owner from private key)",
 	)