Method: Redis::Commands::Cluster#cluster

Defined in:
lib/redis/commands/cluster.rb

#cluster(subcommand, *args) ⇒ Object

Sends ‘CLUSTER *` command to random node and returns its reply.

Parameters:

  • subcommand (String, Symbol) —

    the subcommand of cluster command e.g. ‘:slots`, `:nodes`, `:slaves`, `:info`

Returns:

  • (Object) —

    depends on the subcommand

See Also:



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
 
# File 'lib/redis/commands/cluster.rb', line 14

def cluster(subcommand, *args)
  subcommand = subcommand.to_s.downcase
  block = case subcommand
  when 'slots'
    HashifyClusterSlots
  when 'nodes'
    HashifyClusterNodes
  when 'slaves'
    HashifyClusterSlaves
  when 'info'
    HashifyInfo
  else
    Noop
  end

  # @see https://github.com/antirez/redis/blob/unstable/src/redis-trib.rb#L127 raw reply expected
  block = Noop unless @cluster_mode

  send_command([:cluster, subcommand] + args, &block)
end