Move to frostfs-node

Signed-off-by: Pavel Karpy <p.karpy@yadro.com>

cmd/frostfs-cli/modules/control/shards_set_mode.go

@@ -0,0 +1,177 @@
+package control
+
+import (
+	"fmt"
+	"strings"
+
+	rawclient "github.com/TrueCloudLab/frostfs-api-go/v2/rpc/client"
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/common"
+	"github.com/TrueCloudLab/frostfs-node/cmd/frostfs-cli/internal/key"
+	"github.com/TrueCloudLab/frostfs-node/pkg/services/control"
+	"github.com/mr-tron/base58"
+	"github.com/spf13/cobra"
+)
+
+const (
+	shardModeFlag        = "mode"
+	shardIDFlag          = "id"
+	shardAllFlag         = "all"
+	shardClearErrorsFlag = "clear-errors"
+)
+
+// maps string command input to control.ShardMode. To support new mode, it's
+// enough to add the map entry. Modes are automatically printed in command help
+// messages.
+var mShardModes = map[string]struct {
+	val control.ShardMode
+
+	// flag to support shard mode implicitly without help message. The flag is set
+	// for values which are not expected to be set by users but still supported
+	// for developers.
+	unsafe bool
+}{
+	"read-only":           {val: control.ShardMode_READ_ONLY},
+	"read-write":          {val: control.ShardMode_READ_WRITE},
+	"degraded-read-write": {val: control.ShardMode_DEGRADED, unsafe: true},
+	"degraded-read-only":  {val: control.ShardMode_DEGRADED_READ_ONLY},
+}
+
+// iterates over string representations of safe supported shard modes. Safe means
+// modes which are expected to be used by any user. All other supported modes
+// are for developers only.
+func iterateSafeShardModes(f func(string)) {
+	for strMode, mode := range mShardModes {
+		if !mode.unsafe {
+			f(strMode)
+		}
+	}
+}
+
+// looks up for supported control.ShardMode represented by the given string.
+// Returns false if no corresponding mode exists.
+func lookUpShardModeFromString(str string) (control.ShardMode, bool) {
+	mode, ok := mShardModes[str]
+	if !ok {
+		return control.ShardMode_SHARD_MODE_UNDEFINED, false
+	}
+
+	return mode.val, true
+}
+
+// looks up for string representation of supported shard mode. Returns false
+// if mode is not supported.
+func lookUpShardModeString(m control.ShardMode) (string, bool) {
+	for strMode, mode := range mShardModes {
+		if mode.val == m {
+			return strMode, true
+		}
+	}
+
+	return "", false
+}
+
+var setShardModeCmd = &cobra.Command{
+	Use:   "set-mode",
+	Short: "Set work mode of the shard",
+	Long:  "Set work mode of the shard",
+	Run:   setShardMode,
+}
+
+func initControlSetShardModeCmd() {
+	initControlFlags(setShardModeCmd)
+
+	flags := setShardModeCmd.Flags()
+	flags.StringSlice(shardIDFlag, nil, "List of shard IDs in base58 encoding")
+	flags.Bool(shardAllFlag, false, "Process all shards")
+
+	modes := make([]string, 0)
+
+	iterateSafeShardModes(func(strMode string) {
+		modes = append(modes, "'"+strMode+"'")
+	})
+
+	flags.String(shardModeFlag, "",
+		fmt.Sprintf("New shard mode (%s)", strings.Join(modes, ", ")),
+	)
+	flags.Bool(shardClearErrorsFlag, false, "Set shard error count to 0")
+
+	setShardModeCmd.MarkFlagsMutuallyExclusive(shardIDFlag, shardAllFlag)
+}
+
+func setShardMode(cmd *cobra.Command, _ []string) {
+	pk := key.Get(cmd)
+
+	strMode, _ := cmd.Flags().GetString(shardModeFlag)
+
+	mode, ok := lookUpShardModeFromString(strMode)
+	if !ok {
+		common.ExitOnErr(cmd, "", fmt.Errorf("unsupported mode %s", strMode))
+	}
+
+	req := new(control.SetShardModeRequest)
+
+	body := new(control.SetShardModeRequest_Body)
+	req.SetBody(body)
+
+	body.SetMode(mode)
+	body.SetShardIDList(getShardIDList(cmd))
+
+	reset, _ := cmd.Flags().GetBool(shardClearErrorsFlag)
+	body.ClearErrorCounter(reset)
+
+	signRequest(cmd, pk, req)
+
+	cli := getClient(cmd, pk)
+
+	var resp *control.SetShardModeResponse
+	var err error
+	err = cli.ExecRaw(func(client *rawclient.Client) error {
+		resp, err = control.SetShardMode(client, req)
+		return err
+	})
+	common.ExitOnErr(cmd, "rpc error: %w", err)
+
+	verifyResponse(cmd, resp.GetSignature(), resp.GetBody())
+
+	cmd.Println("Shard mode update request successfully sent.")
+}
+
+func getShardID(cmd *cobra.Command) []byte {
+	sid, _ := cmd.Flags().GetString(shardIDFlag)
+	raw, err := base58.Decode(sid)
+	common.ExitOnErr(cmd, "incorrect shard ID encoding: %w", err)
+	return raw
+}
+
+func getShardIDList(cmd *cobra.Command) [][]byte {
+	all, _ := cmd.Flags().GetBool(shardAllFlag)
+	if all {
+		return nil
+	}
+
+	sidList, _ := cmd.Flags().GetStringSlice(shardIDFlag)
+	if len(sidList) == 0 {
+		common.ExitOnErr(cmd, "", fmt.Errorf("either --%s or --%s flag must be provided", shardIDFlag, shardAllFlag))
+	}
+
+	// We can sort the ID list and perform this check without additional allocations,
+	// but preserving the user order is a nice thing to have.
+	// Also, this is a CLI, we don't care too much about this.
+	seen := make(map[string]struct{})
+	for i := range sidList {
+		if _, ok := seen[sidList[i]]; ok {
+			common.ExitOnErr(cmd, "", fmt.Errorf("duplicated shard IDs: %s", sidList[i]))
+		}
+		seen[sidList[i]] = struct{}{}
+	}
+
+	res := make([][]byte, 0, len(sidList))
+	for i := range sidList {
+		raw, err := base58.Decode(sidList[i])
+		common.ExitOnErr(cmd, "incorrect shard ID encoding: %w", err)
+
+		res = append(res, raw)
+	}
+
+	return res
+}