Class: OpzWorks::Commands::ELASTIC

Inherits:
Object
  • Object
show all
Defined in:
lib/opzworks/commands/elastic.rb

Class Method Summary collapse

Class Method Details



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# File 'lib/opzworks/commands/elastic.rb', line 14

def self.banner
  'Perform operations on an Elastic cluster'
end

.runObject



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# File 'lib/opzworks/commands/elastic.rb', line 18

def self.run
  options = Trollop.options do
    banner "      \#{ELASTIC.banner}\n\n        opzworks elastic stack1 stack2 ... [--start|--stop|--bounce|--rolling]\n\n      The stack name can be passed as any unique regex. If there is\n      more than one match, it will simply be skipped.\n\n      Options:\n    EOS\n    opt :start, 'Start Elastic', default: false\n    opt :stop, 'Stop Elastic', default: false\n    opt :bounce, 'Bounce (stop/start) Elastic', default: false\n    opt :rolling, 'Perform a rolling restart of Elastic', default: false\n    opt :old_service_name, \"Use 'elasticsearch' as the service name, otherwise use the layer shortname\", default: false\n  end\n  ARGV.empty? ? Trollop.die('no stacks specified') : false\n\n  optarr = []\n  options.each do |opt, val|\n    val == true ? optarr << opt : false\n  end\n  optarr.empty? ? Trollop.die('no options specified') : false\n\n  config = OpzWorks.config\n  @client = Aws::OpsWorks::Client.new(region: config.aws_region, profile: config.aws_profile)\n  response = @client.describe_stacks\n\n  # loops over inputs\n  ARGV.each do |opt|\n    var = if options[:start]\n            es_get_input(opt, response, 'start')\n          else\n            es_get_input(opt, response)\n          end\n    next if var == false\n\n    options[:old_service_name] ? @service_name = 'elasticsearch' : false\n\n    case options[:rolling]\n    when true\n      # cycle through all the hosts, waiting for status\n      @ip_addrs.each do |ip|\n        puts \"\\n________________________________________________\"\n        puts \"Now operating on host \#{ip}\".foreground(:yellow)\n\n        if @disable_shard_allocation\n          es_enable_allocation(ip, 'none')\n          sleep 2\n        end\n\n        es_service('restart', [ip], @service_name)\n        es_wait_for_status(ip, 'yellow')\n        es_enable_allocation(ip, 'all') if @disable_shard_allocation\n        es_wait_for_status(ip, 'green')\n      end\n    end\n\n    case options[:start]\n    when true\n      es_service('start', @ip_addrs, @service_name)\n\n      @ip_addrs.each do |ip|\n        es_wait_for_status(ip, 'green')\n      end\n    end\n\n    case options[:stop]\n    when true\n      # use the first host to disable shard allocation\n      if @disable_shard_allocation\n        es_enable_allocation(@ip_addrs.first, 'none')\n        sleep 2\n      end\n\n      es_service('stop', @ip_addrs, @service_name)\n    end\n\n    case options[:bounce]\n    when true\n      # use the first host to disable shard allocation\n      if @disable_shard_allocation\n        es_enable_allocation(@ip_addrs.first, 'none')\n        sleep 2\n      end\n\n      es_service('restart', @ip_addrs, @service_name)\n\n      es_wait_for_status(@ip_addrs.first, 'yellow')\n      es_enable_allocation(@ip_addrs.first, 'all') if @disable_shard_allocation\n      es_wait_for_status(@ip_addrs.first, 'green')\n    end\n  end\nend\n".unindent