ScriptLoad, ScriptExists and ScriptFlush for ClusterClient

cluster_commands.go

@@ -2,6 +2,7 @@ package redis
 
 import (
 	"context"
+	"sync"
 	"sync/atomic"
 )
 
@@ -23,3 +24,76 @@ func (c *ClusterClient) DBSize(ctx context.Context) *IntCmd {
 	cmd.val = size
 	return cmd
 }
+
+func (c *ClusterClient) ScriptLoad(ctx context.Context, script string) *StringCmd {
+	cmd := NewStringCmd(ctx, "script", "load", script)
+	mu := &sync.Mutex{}
+	err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
+		val, err := shard.ScriptLoad(ctx, script).Result()
+		if err != nil {
+			return err
+		}
+
+		mu.Lock()
+		if cmd.Val() == "" {
+			cmd.val = val
+		}
+		mu.Unlock()
+
+		return nil
+	})
+	if err != nil {
+		cmd.SetErr(err)
+	}
+
+	return cmd
+}
+
+func (c *ClusterClient) ScriptFlush(ctx context.Context) *StatusCmd {
+	cmd := NewStatusCmd(ctx, "script", "flush")
+	_ = c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
+		shard.ScriptFlush(ctx)
+
+		return nil
+	})
+
+	return cmd
+}
+
+func (c *ClusterClient) ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd {
+	args := make([]interface{}, 2+len(hashes))
+	args[0] = "script"
+	args[1] = "exists"
+	for i, hash := range hashes {
+		args[2+i] = hash
+	}
+	cmd := NewBoolSliceCmd(ctx, args...)
+
+	result := make([]bool, len(hashes))
+	for i := range result {
+		result[i] = true
+	}
+
+	mu := &sync.Mutex{}
+	err := c.ForEachShard(ctx, func(ctx context.Context, shard *Client) error {
+		val, err := shard.ScriptExists(ctx, hashes...).Result()
+		if err != nil {
+			return err
+		}
+
+		mu.Lock()
+		for i, v := range val {
+			result[i] = result[i] && v
+		}
+		mu.Unlock()
+
+		return nil
+	})
+	if err != nil {
+		cmd.SetErr(err)
+	}
+
+	cmd.val = result
+
+	return cmd
+}