Rewrite everything from scratch for mqtt v5

vendor/github.com/alicebob/miniredis/v2/cmd_cluster.go

@@ -0,0 +1,67 @@
+// Commands from https://redis.io/commands#cluster
+
+package miniredis
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/alicebob/miniredis/v2/server"
+)
+
+// commandsCluster handles some cluster operations.
+func commandsCluster(m *Miniredis) {
+	m.srv.Register("CLUSTER", m.cmdCluster)
+}
+
+func (m *Miniredis) cmdCluster(c *server.Peer, cmd string, args []string) {
+	if !m.handleAuth(c) {
+		return
+	}
+
+	if len(args) < 1 {
+		setDirty(c)
+		c.WriteError(errWrongNumber(cmd))
+		return
+	}
+	switch strings.ToUpper(args[0]) {
+	case "SLOTS":
+		m.cmdClusterSlots(c, cmd, args)
+	case "KEYSLOT":
+		m.cmdClusterKeySlot(c, cmd, args)
+	case "NODES":
+		m.cmdClusterNodes(c, cmd, args)
+	default:
+		setDirty(c)
+		c.WriteError(fmt.Sprintf("ERR 'CLUSTER %s' not supported", strings.Join(args, " ")))
+		return
+	}
+}
+
+// CLUSTER SLOTS
+func (m *Miniredis) cmdClusterSlots(c *server.Peer, cmd string, args []string) {
+	withTx(m, c, func(c *server.Peer, ctx *connCtx) {
+		c.WriteLen(1)
+		c.WriteLen(3)
+		c.WriteInt(0)
+		c.WriteInt(16383)
+		c.WriteLen(3)
+		c.WriteBulk(m.srv.Addr().IP.String())
+		c.WriteInt(m.srv.Addr().Port)
+		c.WriteBulk("09dbe9720cda62f7865eabc5fd8857c5d2678366")
+	})
+}
+
+// CLUSTER KEYSLOT
+func (m *Miniredis) cmdClusterKeySlot(c *server.Peer, cmd string, args []string) {
+	withTx(m, c, func(c *server.Peer, ctx *connCtx) {
+		c.WriteInt(163)
+	})
+}
+
+// CLUSTER NODES
+func (m *Miniredis) cmdClusterNodes(c *server.Peer, cmd string, args []string) {
+	withTx(m, c, func(c *server.Peer, ctx *connCtx) {
+		c.WriteBulk("e7d1eecce10fd6bb5eb35b9f99a514335d9ba9ca 127.0.0.1:7000@7000 myself,master - 0 0 1 connected 0-16383")
+	})
+}