Top Level Namespace

Defined Under Namespace

Modules: OpsWorks, OpzWorks Classes: String

Constant Summary collapse

COMMANDS =

require our commands

%w(ssh cmd json berks elastic).each do |cmd|
  require "opzworks/commands/#{cmd}"
end
SSH_PREFIX = 
'# --- OpzWorks ---'
SSH_POSTFIX = 
'# --- End of OpzWorks ---'

Instance Method Summary collapse

Instance Method Details

#es_enable_allocation(ip, type) ⇒ Object 



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# File 'lib/opzworks/commands/include/elastic.rb', line 60

def es_enable_allocation(ip, type)
  puts "Cluster routing.allocation is being set to #{type}".foreground(:blue)
  conn = Faraday.new(url: "http://#{ip}:9200") do |f|
    f.adapter :net_http
  end

  count = 0
  loop do
    begin
      conn.put do |req|
        req.url '/_cluster/settings'
        req.body = "{\"transient\": {\"cluster.routing.allocation.enable\": \"#{type}\"}}"
        req.options[:timeout]       = 5
        req.options[:open_timeout]  = 2
      end
      break
    rescue StandardError => e
      puts 'Caught exception while trying to change allocation state: '.foreground(:yellow) + e.to_s.foreground(:red) + ', looping around...'.foreground(:yellow) if count == 0
      count += 1
      sleep 1
    end
  end
end

#es_get_input(input, data = {}, *cmd) ⇒ Object 



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# File 'lib/opzworks/commands/include/elastic.rb', line 11

def es_get_input(input, data = {}, *cmd)
  match = {}
  count = 0

  data[:stacks].each do |stack|
    next unless stack[:name].chomp =~ /#{input}/
    count = count += 1
    match = stack.to_hash
  end

  # break?
  if count < 1
    puts 'No matching stacks found for input '.foreground(:yellow) + input.foreground(:green) + ', skipping.'.foreground(:yellow)
    return false
  elsif count > 1
    puts 'Found more than one stack matching input '.foreground(:yellow) + input.foreground(:green) + ', skipping.'.foreground(:yellow)
    return false
  else
    puts 'Operating on stack '.foreground(:blue) + match[:name].to_s.foreground(:green)
    layers = @client.describe_layers(stack_id: match[:stack_id])
    layers[:layers].each { |layer| printf("%-30s %-50s\n", layer[:name], layer[:layer_id]) }

    STDOUT.print 'Specify a layer: '.foreground(:blue)
    layer = STDIN.gets.chomp

    unless cmd.include? 'start'
      STDOUT.print 'Disable shard allocation before starting? (true/false, default is true): '.foreground(:blue)
      disable_allocation = STDIN.gets.chomp
      @disable_shard_allocation = case disable_allocation
                                  when 'false'
                                    false
                                  else
                                    true
                                  end
    end

    options = {}
    if layer == ''
      puts 'Must specify a layer.'.foreground(:red)
      return false
    else
      options[:layer_id] = layer
      get_shortname = @client.describe_layers(layer_ids: [layer])
      get_shortname[:layers].each { |l| @service_name = l[:shortname] }
    end
    opsworks_list_ips(options)
  end
end

#es_service(command, ips = [], service_name = 'elasticsearch') ⇒ Object 



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# File 'lib/opzworks/commands/include/elastic.rb', line 84

def es_service(command, ips = [], service_name = 'elasticsearch')
  puts "Operating on ES with command #{command}".foreground(:yellow)
  user = ENV['USER']

  Net::SSH::Multi.start do |session|
    ips.each do |ip|
      session.use "#{user}@#{ip}"
    end

    Timeout.timeout(10) do
      session.exec "sudo service #{service_name} #{command}"
    end
    session.loop
  end
end

#es_wait_for_status(ip, color) ⇒ Object 



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# File 'lib/opzworks/commands/include/elastic.rb', line 100

def es_wait_for_status(ip, color)
  puts 'Waiting for cluster to go '.foreground(:blue) + color.foreground(:"#{color}")
  conn = Faraday.new(url: "http://#{ip}:9200") do |f|
    f.adapter :net_http
  end

  count = 0
  rescue_count = 0
  loop do
    begin
      response = conn.get do |req|
        req.url '/_cluster/health'
        req.options[:timeout]       = 5
        req.options[:open_timeout]  = 2
      end
      json = JSON.parse response.body
    rescue StandardError => e
      puts 'Caught exception while trying to check cluster status: '.foreground(:yellow) + e.to_s.foreground(:red) + ', looping around...'.foreground(:yellow) if rescue_count == 0
      rescue_count += 1
      printf '.'
      sleep 1
    else
      case json['status']
      when color
        puts "\nCluster is now ".foreground(:blue) + color.foreground(:"#{color}")
        break
      when 'green'
        puts "\nCluster is green, proceeding without waiting for requested status of #{color}".foreground(:green)
        break
      else
        count += 1
        if count == 10
          puts "\nStill waiting, cluster is currently ".foreground(:blue) + json['status'].to_s.foreground(:"#{json['status']}")
          count = 0
        end
        printf '.'
        sleep 1
      end
    end
  end
end

#manage_berks_repos ⇒ Object 



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# File 'lib/opzworks/commands/include/manage_berks_repos.rb', line 3

def manage_berks_repos
  config = OpzWorks.config
  @target_path = File.expand_path(config.berks_repository_path + "/opsworks-#{@project}", File.dirname(__FILE__))

  if !File.directory?(@target_path)
    if config.berks_github_org.nil?
      puts "#{@target_path} does not exist, and 'berks-github-org' is not set in ~/.aws/config, skipping.".foreground(:yellow)
      return false
    else
      repo = "[email protected]:#{config.berks_github_org}/opsworks-#{@project}.git"
      puts "#{@target_path} does not exist!".foreground(:red)
      puts 'Attempting git clone of '.foreground(:blue) + repo.foreground(:green)
      run_local <<-BASH
        cd #{config.berks_repository_path}
        git clone #{repo}
      BASH
    end
  else
    puts "Git pull from #{@target_path}, branch: ".foreground(:blue) + @branch.foreground(:green)
    run_local <<-BASH
      cd #{@target_path}
      git checkout #{@branch} && git pull origin #{@branch}
    BASH
  end
end

#opsworks_list_ips(options = {}) ⇒ Object 



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# File 'lib/opzworks/commands/include/elastic.rb', line 3

def opsworks_list_ips(options = {})
  response = @client.describe_instances options
  @ip_addrs = []
  response[:instances].each { |instance| @ip_addrs << instance.private_ip if instance[:status] == 'online' }
rescue StandardError => e
  abort "Exception raised: #{e}".foreground(:red)
end

#populate_stack(input, data = {}) ⇒ Object 



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# File 'lib/opzworks/commands/include/populate_stack.rb', line 3

def populate_stack(input, data = {})
  # loops over inputs
  match = {}
  count = 0

  data[:stacks].each do |stack|
    next unless stack[:name].chomp =~ /#{input}/
    count = count += 1
    match = stack.to_hash
  end

  # break?
  if count < 1
    puts 'No matching stacks found for input '.foreground(:yellow) + input.foreground(:green) + ', skipping.'.foreground(:yellow)
    return false
  elsif count > 1
    puts 'Found more than one stack matching input '.foreground(:yellow) + input.foreground(:green) + ', skipping.'.foreground(:yellow)
    return false
  else
    @stack_json     = match[:custom_json] || ''
    @project        = match[:name].split('::').first
    @s3_path        = match[:name].gsub('::', '-')
    @branch         = (match[:name].split('::')[1] + '-' + match[:name].split('::')[2]).gsub('::', '-')
    @stack_id       = match[:stack_id]
    @arn            = match[:arn]
    @region         = match[:region]
    @default_subnet = match[:default_subnet_id]
    @default_os     = match[:default_os]
    @chef_version   = match[:configuration_manager][:version]
    @s3_source_url  = match[:custom_cookbooks_source][:url] || ''
  end
end

#run_local(cmd) ⇒ Object

wrap run_locally so we can catch failures



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# File 'lib/opzworks/commands/include/run_local.rb', line 4

def run_local(cmd)
  require 'English'

  system cmd
  return unless $CHILD_STATUS.exitstatus != 0
  puts 'exit code: ' + $CHILD_STATUS.exitstatus.to_s
  exit
end