Class: Karafka::Cli::Topics::Create

Inherits:
Base
  • Object
show all
Defined in:
lib/karafka/cli/topics/create.rb

Overview

Creates topics based on the routing setup and configuration

Instance Method Summary collapse

Methods included from Helpers::Colorize

#green, #grey, #red, #yellow

Instance Method Details

#call ⇒ Boolean

Returns true if any topic was created, otherwise false.

Returns:

  • (Boolean) —

    true if any topic was created, otherwise false



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# File 'lib/karafka/cli/topics/create.rb', line 9

def call
  any_created = false

  declaratives_routing_topics.each do |topic|
    name = topic.name

    if existing_topics_names.include?(name)
      puts "#{yellow('Skipping')} because topic #{name} already exists."
    else
      supervised("Creating topic #{name}") do
        Admin.create_topic(
          name,
          topic.declaratives.partitions,
          topic.declaratives.replication_factor,
          topic.declaratives.details
        )
      end

      puts "#{green('Created')} topic #{name}."
      any_created = true
    end
  end

  any_created
end