Module: Redis::Commands::Cluster

Included in:
Redis::Commands
Defined in:
lib/redis/commands/cluster.rb

Instance Method Summary collapse

Instance Method Details

#asking ⇒ String

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

Returns:

  • (String) —

    ‘’OK’‘

See Also:



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# File 'lib/redis/commands/cluster.rb', line 40

def asking
  send_command(%i[asking])
end

#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:



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# 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