Class: DevLXC::Cluster

Inherits:
Object
  • Object
show all
Defined in:
lib/dev-lxc/cluster.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cluster_config) ⇒ Cluster

Returns a new instance of Cluster.



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# File 'lib/dev-lxc/cluster.rb', line 9

def initialize(cluster_config)
  FileUtils.mkdir_p('/var/dev-lxc') unless Dir.exist?('/var/dev-lxc')

  @config = Hash.new { |hash, key| hash[key] = {} }
  @server_configs = Hash.new

  %w(adhoc analytics automate build-nodes chef-backend chef-server compliance nodes supermarket).each do |server_type|
    if cluster_config[server_type]
      mounts = ["/var/dev-lxc var/dev-lxc"]
      if cluster_config[server_type]["mounts"]
        mounts.concat(cluster_config[server_type]["mounts"])
      elsif cluster_config["mounts"]
        mounts.concat(cluster_config["mounts"])
      end
      ssh_keys = cluster_config[server_type]["ssh-keys"]
      ssh_keys ||= cluster_config["ssh-keys"]
      base_container_name = cluster_config[server_type]["base_container"]
      base_container_name ||= cluster_config["base_container"]

      if cluster_config[server_type]["servers"]
        cluster_config[server_type]["servers"].each do |server_name, server_config|
          server_config ||= Hash.new
          products = server_config['products']
          products ||= Hash.new
          mounts = ["/var/dev-lxc var/dev-lxc"] + server_config["mounts"] if server_config["mounts"]
          ssh_keys = server_config["ssh-keys"] if server_config["ssh-keys"]
          base_container_name = server_config["base_container"] if server_config["base_container"]
          @server_configs[server_name] = {
            server_type: server_type,
            products: products,
            ipaddress: server_config['ipaddress'],
            additional_fqdn: nil,
            mounts: mounts,
            ssh_keys: ssh_keys,
            base_container_name: base_container_name
          }
          # gather configuration from only the first "automate", "compliance" or "supermarket" server
          break if %w(automate compliance supermarket).include?(server_type)
        end
      end

      case server_type
      when "analytics"
        @config[server_type][:topology] = cluster_config[server_type]["topology"]
        @config[server_type][:topology] ||= 'standalone'
        @config[server_type][:fqdn] = cluster_config[server_type]["analytics_fqdn"]
        @config[server_type][:frontends] = Array.new

        if cluster_config[server_type]["servers"]
          cluster_config[server_type]["servers"].each do |server_name, server_config|
            server_config ||= Hash.new
            additional_fqdn = nil
            case @config[server_type][:topology]
            when 'standalone'
              @config[server_type][:bootstrap_backend] = server_name if server_config["role"].nil?
              @config[server_type][:fqdn] ||= @config[server_type][:bootstrap_backend]
            when 'tier'
              @config[server_type][:bootstrap_backend] = server_name if server_config["role"] == "backend" && server_config["bootstrap"] == true
              if server_config["role"] == "frontend"
                additional_fqdn = @config[server_type][:fqdn]
                @config[server_type][:frontends] << server_name
              end
            end
            @server_configs[server_name].merge!({
              additional_fqdn: additional_fqdn
            })
          end
        end
      when "chef-backend"
        @config[server_type][:fqdn] = cluster_config[server_type]["api_fqdn"]
        @config[server_type][:users] = cluster_config[server_type]["users"]
        @config[server_type][:users] ||= Array.new
        @config[server_type][:orgs] = cluster_config[server_type]["orgs"]
        @config[server_type][:orgs] ||= Hash.new
        @config[server_type][:backends] = Array.new
        @config[server_type][:frontends] = Array.new

        servers = cluster_config[server_type]["servers"]
        if servers
          @config[server_type][:leader_backend] = servers.select { |s,sc| sc['role'] == 'backend' && sc['leader'] == true }.keys.first
          @config[server_type][:bootstrap_frontend] = servers.select { |s,sc| sc['role'] == 'frontend' && sc['bootstrap'] == true }.keys.first
          @config[server_type][:backends] << @config[server_type][:leader_backend]
          @config[server_type][:frontends] << @config[server_type][:bootstrap_frontend]
          servers.each do |server_name, server_config|
            server_config ||= Hash.new
            additional_fqdn = nil
            case server_config["role"]
            when "backend"
              @config[server_type][:backends] << server_name unless server_name == @config[server_type][:leader_backend]
            when "frontend"
              additional_fqdn = @config[server_type][:fqdn]
              @config[server_type][:frontends] << server_name unless server_name == @config[server_type][:bootstrap_frontend]
            end
            @server_configs[server_name].merge!({
              additional_fqdn: additional_fqdn,
              chef_server_type: 'chef-server'
            })
          end
        end
      when "chef-server"
        @config[server_type][:topology] = cluster_config[server_type]["topology"]
        @config[server_type][:topology] ||= 'standalone'
        @config[server_type][:fqdn] = cluster_config[server_type]["api_fqdn"]
        @config[server_type][:users] = cluster_config[server_type]["users"]
        @config[server_type][:users] ||= Array.new
        @config[server_type][:orgs] = cluster_config[server_type]["orgs"]
        @config[server_type][:orgs] ||= Hash.new
        @config[server_type][:frontends] = Array.new

        if cluster_config[server_type]["servers"]
          cluster_config[server_type]["servers"].each do |server_name, server_config|
            server_config ||= Hash.new
            additional_fqdn = nil
            chef_server_type = 'private-chef' if @server_configs[server_name][:products].has_key?('private-chef')
            chef_server_type = 'chef-server' if @server_configs[server_name][:products].has_key?('chef-server')
            case @config[server_type][:topology]
            when 'standalone'
              @config[server_type][:bootstrap_backend] = server_name if server_config["role"].nil?
              @config[server_type][:fqdn] ||= @config[server_type][:bootstrap_backend]
            when 'tier'
              @config[server_type][:bootstrap_backend] = server_name if server_config["role"] == "backend" && server_config["bootstrap"] == true
              if server_config["role"] == "frontend"
                additional_fqdn = @config[server_type][:fqdn]
                @config[server_type][:frontends] << server_name
              end
            end
            @server_configs[server_name].merge!({
              additional_fqdn: additional_fqdn,
              chef_server_type: chef_server_type
            })
          end
        end
      when "supermarket"
        unless cluster_config[server_type]["servers"].first.nil?
          (server_name, server_config) = cluster_config[server_type]["servers"].first
          @config[server_type][:fqdn] = server_name
        end
      when "automate"
        unless cluster_config[server_type]["servers"].first.nil?
          (server_name, server_config) = cluster_config[server_type]["servers"].first
          server_config ||= Hash.new
          @server_configs[server_name].merge!({
            license_path: server_config['license_path'],
            chef_org: server_config['chef_org'],
            enterprise_name: server_config['enterprise_name']
          })
        end
      when "nodes"
        chef_server_url = cluster_config[server_type]['chef_server_url']
        validation_client_name = cluster_config[server_type]['validation_client_name']
        validation_key = cluster_config[server_type]['validation_key']
        if cluster_config[server_type]["servers"]
          cluster_config[server_type]["servers"].each do |server_name, server_config|
            server_config ||= Hash.new
            chef_server_url = server_config['chef_server_url'] if server_config['chef_server_url']
            validation_client_name = server_config['validation_client_name'] if server_config['validation_client_name']
            validation_key = server_config['validation_key'] if server_config['validation_key']
            @server_configs[server_name].merge!({
              chef_server_url: chef_server_url,
              validation_client_name: validation_client_name,
              validation_key: validation_key
            })
          end
        end
      end
    end
  end
  validate_cluster_config
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/dev-lxc/cluster.rb', line 7

def config
  @config
end

Instance Method Details

#analytics_config ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 1022

def analytics_config
  analytics_config = %Q(analytics_fqdn "#{@config['analytics'][:fqdn]}"
topology "#{@config['analytics'][:topology]}"
)
  if @config['analytics'][:topology] == 'tier'
    analytics_config += %Q(
server "#{@config['analytics'][:bootstrap_backend]}",
  :ipaddress => "#{@server_configs[@config['analytics'][:bootstrap_backend]][:ipaddress]}",
  :role => "backend",
  :bootstrap => true

backend_vip "#{@config['analytics'][:bootstrap_backend]}",
  :ipaddress => "#{@server_configs[@config['analytics'][:bootstrap_backend]][:ipaddress]}"
)
    @config['analytics'][:frontends].each do |frontend_name|
      analytics_config += %Q(
server "#{frontend_name}",
  :ipaddress => "#{@server_configs[frontend_name][:ipaddress]}",
  :role => "frontend"
)
    end
  end
  return analytics_config
end

#chef_repo(force = false, pivotal = false) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 931

def chef_repo(force=false, pivotal=false)
  chef_server_dot_chef_path = "/root/chef-repo/.chef"
  dot_chef_path = "./chef-repo/.chef"

  if @config['chef-server'][:bootstrap_backend]
    chef_server = get_server(@config['chef-server'][:bootstrap_backend])
    chef_server_fqdn = @config['chef-server'][:fqdn]
  elsif @config['chef-backend'][:bootstrap_frontend]
    chef_server = get_server(@config['chef-backend'][:bootstrap_frontend])
    chef_server_fqdn = @config['chef-backend'][:fqdn]
  else
    puts "ERROR: A Chef Server is not defined in the cluster's config. Please define it first."
    exit 1
  end
  unless chef_server.container.defined?
    puts "ERROR: The '#{chef_server.name}' Chef Server does not exist."
    exit 1
  end

  puts "Creating chef-repo with pem files and knife.rb in the current directory"
  FileUtils.mkdir_p(dot_chef_path)

  pem_files = Dir.glob("#{chef_server.container.config_item('lxc.rootfs')}#{chef_server_dot_chef_path}/*.pem")
  pem_files.delete_if { |pem_file| pem_file.end_with?("/pivotal.pem") } unless pivotal
  FileUtils.cp(pem_files, dot_chef_path) unless pem_files.empty?

  if pivotal
    if File.exists?("#{dot_chef_path}/pivotal.rb") && ! force
      puts "Skipping pivotal.rb because it already exists in `#{dot_chef_path}`"
    else
      create_pivotal_knife_config(chef_server_fqdn, dot_chef_path)
    end
  end

  if File.exists?("./chef-repo/.chef/knife.rb") && ! force
    puts "Skipping knife.rb because it already exists in `#{dot_chef_path}`"
  else
    create_knife_config(chef_server_fqdn, dot_chef_path)
  end
end

#chef_server_config ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 972

def chef_server_config
  chef_server_config = %Q(api_fqdn "#{@config['chef-server'][:fqdn]}"\n)
  if @config['chef-server'][:topology] == 'tier'
    chef_server_config += %Q(
topology "#{@config['chef-server'][:topology]}"

server "#{@config['chef-server'][:bootstrap_backend]}",
  :ipaddress => "#{@server_configs[@config['chef-server'][:bootstrap_backend]][:ipaddress]}",
  :role => "backend",
  :bootstrap => true

backend_vip "#{@config['chef-server'][:bootstrap_backend]}",
  :ipaddress => "#{@server_configs[@config['chef-server'][:bootstrap_backend]][:ipaddress]}"
)
    @config['chef-server'][:frontends].each do |frontend_name|
      chef_server_config += %Q(
server "#{frontend_name}",
  :ipaddress => "#{@server_configs[frontend_name][:ipaddress]}",
  :role => "frontend"
)
    end
  end
  if @config['analytics'][:fqdn]
    chef_server_config += %Q(
oc_id['applications'] ||= {}
oc_id['applications']['analytics'] = {
  'redirect_uri' => 'https://#{@config['analytics'][:fqdn]}/'
}
rabbitmq['vip'] = '#{@config['chef-server'][:bootstrap_backend]}'
rabbitmq['node_ip_address'] = '0.0.0.0'
)
  end
  if @config['supermarket'][:fqdn]
    chef_server_config += %Q(
oc_id['applications'] ||= {}
oc_id['applications']['supermarket'] = {
  'redirect_uri' => 'https://#{@config['supermarket'][:fqdn]}/auth/chef_oauth2/callback'
}
)
  end
  automate_server_name = @server_configs.select {|name, config| config[:server_type] == 'automate'}.keys.first
  if automate_server_name
    chef_server_config += %Q(
data_collector['root_url'] = "https://#{automate_server_name}/data-collector/v0/"
data_collector['token'] = "93a49a4f2482c64126f7b6015e6b0f30284287ee4054ff8807fb63d9cbd1c506"
)
  end
  return chef_server_config
end

#clone_from_base_container(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 440

def clone_from_base_container(server)
  server_type = @server_configs[server.name][:server_type]
  base_container = DevLXC::Container.new(@server_configs[server.name][:base_container_name])
  puts "Cloning base container '#{base_container.name}' into container '#{server.name}'"
  base_container.clone(server.name, {:flags => LXC::LXC_CLONE_SNAPSHOT})
  server.container.load_config
  puts "Deleting SSH Server Host Keys"
  FileUtils.rm_f(Dir.glob("#{server.container.config_item('lxc.rootfs')}/etc/ssh/ssh_host*_key*"))
  puts "Adding lxc.hook.post-stop hook"
  server.container.set_config_item("lxc.hook.post-stop", "/usr/local/share/lxc/hooks/post-stop-dhcp-release")
  server.container.save_config
end

#configure_analytics(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 778

def configure_analytics(server)
  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/var/opt/opscode-analytics")
  FileUtils.touch("#{server.container.config_item('lxc.rootfs')}/var/opt/opscode-analytics/.license.accepted")
  if @config['analytics'][:topology] == "standalone" || @config['analytics'][:bootstrap_backend] == server.name
    puts "Copying /etc/opscode-analytics from Chef Server bootstrap backend '#{@config['chef-server'][:bootstrap_backend]}'"
    FileUtils.cp_r("#{get_server(@config['chef-server'][:bootstrap_backend]).container.config_item('lxc.rootfs')}/etc/opscode-analytics",
                   "#{server.container.config_item('lxc.rootfs')}/etc", preserve: true)

    IO.write("#{server.container.config_item('lxc.rootfs')}/etc/opscode-analytics/opscode-analytics.rb", analytics_config)
  elsif @config['analytics'][:frontends].include?(server.name)
    puts "Copying /etc/opscode-analytics from Analytics bootstrap backend '#{@config['analytics'][:bootstrap_backend]}'"
    FileUtils.cp_r("#{get_server(@config['analytics'][:bootstrap_backend]).container.config_item('lxc.rootfs')}/etc/opscode-analytics",
                   "#{server.container.config_item('lxc.rootfs')}/etc", preserve: true)
  end
  run_ctl(server, "opscode-analytics", "reconfigure")
end

#configure_automate(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 601

def configure_automate(server)
  license_path = @server_configs[server.name][:license_path]
  chef_org = @server_configs[server.name][:chef_org]
  enterprise_name = @server_configs[server.name][:enterprise_name]
  chef_server_url = @config['chef-server'][:fqdn]
  supermarket_fqdn = @config['supermarket'][:fqdn]

  FileUtils.cp(license_path, "#{server.container.config_item('lxc.rootfs')}/root/automate.license")

  chef_server = get_server(@config['chef-server'][:bootstrap_backend])
  automate_chef_user_key = "#{chef_server.container.config_item('lxc.rootfs')}/root/chef-repo/.chef/delivery.pem"
  FileUtils.cp(automate_chef_user_key, "#{server.container.config_item('lxc.rootfs')}/root/automate_chef_user_key.pem")

  setup_cmd = "setup"
  setup_cmd += " --license /root/automate.license"
  setup_cmd += " --fqdn #{server.name}"
  setup_cmd += " --key /root/automate_chef_user_key.pem"
  setup_cmd += " --server-url https://#{chef_server_url}/organizations/#{chef_org}"
  setup_cmd += " --supermarket-fqdn #{supermarket_fqdn}" if supermarket_fqdn
  setup_cmd += " --enterprise #{enterprise_name}"
  setup_cmd += " --no-build-node"
  setup_cmd += " --configure"
  run_ctl(server, "delivery", setup_cmd)
end

#configure_build_node(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 641

def configure_build_node(server)
  automate_server_name = @server_configs.select {|name, config| config[:server_type] == 'automate'}.keys.first
  if automate_server_name
    automate_server = get_server(automate_server_name)
    install_build_node_cmd = "install-build-node"
    install_build_node_cmd += " --fqdn #{server.name}"
    install_build_node_cmd += " --username dev-lxc"
    install_build_node_cmd += " --password dev-lxc"
    install_build_node_cmd += " --installer #{@server_configs[server.name][:required_products]["chefdk"]}"
    install_build_node_cmd += " --overwrite-registration"
    run_ctl(automate_server, "delivery", install_build_node_cmd)
  end
end

#configure_chef_backend(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 692

def configure_chef_backend(server)
  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/var/opt/chef-backend")
  FileUtils.touch("#{server.container.config_item('lxc.rootfs')}/var/opt/chef-backend/.license.accepted")
  if server.name == @config['chef-backend'][:leader_backend]
    puts "Creating /etc/chef-backend/chef-backend.rb"
    FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/etc/chef-backend")
    chef_backend_config = "publish_address '#{@server_configs[server.name][:ipaddress]}'\n"
    IO.write("#{server.container.config_item('lxc.rootfs')}/etc/chef-backend/chef-backend.rb", chef_backend_config)
    run_ctl(server, "chef-backend", "bootstrap --yes")
  else
    puts "Joining #{server.name} to the chef-backend cluster"
    leader_backend = get_server(@config['chef-backend'][:leader_backend])
    FileUtils.cp("#{leader_backend.container.config_item('lxc.rootfs')}/etc/chef-backend/chef-backend-secrets.json",
                 "#{server.container.config_item('lxc.rootfs')}/root/")
    run_ctl(server, "chef-backend", "join-cluster #{@server_configs[leader_backend.name][:ipaddress]} -p #{@server_configs[server.name][:ipaddress]} -s /root/chef-backend-secrets.json --yes")
  end
end

#configure_chef_client(server, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 655

def configure_chef_client(server, dot_chef_path)
  puts "Configuring Chef Client in container '#{server.name}'"

  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/etc/chef")

  chef_server_url = @server_configs[server.name][:chef_server_url]
  validation_client_name = @server_configs[server.name][:validation_client_name]
  validation_key = @server_configs[server.name][:validation_key]
  if validation_key.nil?
    chef_server_name = @config['chef-server'][:bootstrap_backend]
    chef_server_name ||= @config['chef-backend'][:bootstrap_frontend]
    if chef_server_name
      chef_server = get_server(chef_server_name)
      if chef_server.container.defined?
        validator_pem_files = Dir.glob("#{chef_server.container.config_item('lxc.rootfs')}#{dot_chef_path}/*-validator.pem")
        FileUtils.cp(validator_pem_files, "#{server.container.config_item('lxc.rootfs')}/etc/chef/") unless validator_pem_files.empty?
      end
    end
  end

  client_rb = %Q(chef_server_url '#{chef_server_url}'
validation_client_name '#{validation_client_name}'
validation_key '/etc/chef/#{validation_client_name}.pem'
ssl_verify_mode :verify_none
)

  automate_server_name = @server_configs.select {|name, config| config[:server_type] == 'automate'}.keys.first
  if automate_server_name
    client_rb += %Q(
data_collector.server_url "https://#{automate_server_name}/data-collector/v0/"
data_collector.token "93a49a4f2482c64126f7b6015e6b0f30284287ee4054ff8807fb63d9cbd1c506"
)
  end

  IO.write("#{server.container.config_item('lxc.rootfs')}/etc/chef/client.rb", client_rb)
end

#configure_chef_frontend(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 710

def configure_chef_frontend(server)
  puts "Creating /etc/opscode/chef-server.rb"
  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/etc/opscode")
  leader_backend = get_server(@config['chef-backend'][:leader_backend])
  run_ctl(leader_backend, "chef-backend", "gen-server-config #{server.name} --filename /tmp/#{server.name}.rb")
  FileUtils.cp("#{leader_backend.container.config_item('lxc.rootfs')}/tmp/#{server.name}.rb",
               "#{server.container.config_item('lxc.rootfs')}/etc/opscode/chef-server.rb")
  unless server.name == @config['chef-backend'][:bootstrap_frontend]
    bootstrap_frontend = get_server(@config['chef-backend'][:bootstrap_frontend])
    puts "Copying /etc/opscode/private-chef-secrets.json from bootstrap frontend '#{bootstrap_frontend.name}'"
    FileUtils.cp("#{bootstrap_frontend.container.config_item('lxc.rootfs')}/etc/opscode/private-chef-secrets.json",
                 "#{server.container.config_item('lxc.rootfs')}/etc/opscode/")
    puts "Copying /etc/opscode/pivotal.pem from bootstrap frontend '#{bootstrap_frontend.name}'"
    FileUtils.cp("#{bootstrap_frontend.container.config_item('lxc.rootfs')}/etc/opscode/pivotal.pem",
                 "#{server.container.config_item('lxc.rootfs')}/etc/opscode/")
  end
  run_ctl(server, "chef-server", "reconfigure")
end

#configure_chef_server(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 729

def configure_chef_server(server)
  if @config['chef-server'][:topology] == "standalone" || @config['chef-server'][:bootstrap_backend] == server.name
    case @server_configs[server.name][:chef_server_type]
    when 'private-chef'
      puts "Creating /etc/opscode/private-chef.rb"
      FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/etc/opscode")
      IO.write("#{server.container.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", chef_server_config)
    when 'chef-server'
      puts "Creating /etc/opscode/chef-server.rb"
      FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/etc/opscode")
      IO.write("#{server.container.config_item('lxc.rootfs')}/etc/opscode/chef-server.rb", chef_server_config)
    end
  elsif @config['chef-server'][:frontends].include?(server.name)
    puts "Copying /etc/opscode from bootstrap backend '#{@config['chef-server'][:bootstrap_backend]}'"
    FileUtils.cp_r("#{get_server(@config['chef-server'][:bootstrap_backend]).container.config_item('lxc.rootfs')}/etc/opscode",
                   "#{server.container.config_item('lxc.rootfs')}/etc", preserve: true)
  end
  run_ctl(server, @server_configs[server.name][:chef_server_type], "reconfigure")
end

#configure_compliance(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 795

def configure_compliance(server)
  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/var/opt/chef-compliance")
  FileUtils.touch("#{server.container.config_item('lxc.rootfs')}/var/opt/chef-compliance/.license.accepted")
  run_ctl(server, "chef-compliance", "reconfigure")
end

#configure_manage(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 766

def configure_manage(server)
  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/var/opt/chef-manage")
  FileUtils.touch("#{server.container.config_item('lxc.rootfs')}/var/opt/chef-manage/.license.accepted")
  if @server_configs[server.name][:chef_server_type] == 'private-chef'
    puts "Disabling old opscode-webui in /etc/opscode/private-chef.rb"
    DevLXC.search_file_delete_line("#{server.container.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", /opscode_webui[.enable.]/)
    DevLXC.append_line_to_file("#{server.container.config_item('lxc.rootfs')}/etc/opscode/private-chef.rb", "\nopscode_webui['enable'] = false\n")
    run_ctl(server, @server_configs[server.name][:chef_server_type], "reconfigure")
  end
  run_ctl(server, "opscode-manage", "reconfigure")
end

#configure_products(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 544

def configure_products(server)
  puts "Configuring container '#{server.name}'"
  server.start unless server.container.running?
  required_products = @server_configs[server.name][:required_products].keys if @server_configs[server.name][:required_products]
  required_products ||= Array.new
  server_type = @server_configs[server.name][:server_type]
  dot_chef_path = "/root/chef-repo/.chef"
  case server_type
  when 'adhoc'
    # Allow adhoc servers time to generate SSH Server Host Keys
    sleep 5
  when 'analytics'
    configure_analytics(server) if required_products.include?('analytics')
  when 'build-nodes'
    sleep 5     # give time for DNS resolution to be available
    configure_build_node(server)
  when 'chef-backend'
    configure_chef_backend(server) if required_products.include?('chef-backend')
    if required_products.include?('chef-server')
      configure_chef_frontend(server)
      if server.name == @config['chef-backend'][:bootstrap_frontend]
        create_users_orgs_knife_configs(server, dot_chef_path)
      end
    end
    configure_manage(server) if required_products.include?('manage')
  when 'chef-server'
    if required_products.include?('chef-server') || required_products.include?('private-chef')
      configure_chef_server(server)
      if server.name == @config['chef-server'][:bootstrap_backend]
        create_users_orgs_knife_configs(server, dot_chef_path)

        automate_server_name = @server_configs.select {|name, config| config[:server_type] == 'automate'}.keys.first
        if automate_server_name
          automate_user = "delivery"
          automate_chef_org = @server_configs[automate_server_name][:chef_org]
          create_user(server, automate_user, dot_chef_path)
          create_org(server, automate_chef_org, dot_chef_path)
          org_add_user(server, automate_chef_org, automate_user, true, dot_chef_path)
        end
      end
    end
    configure_reporting(server) if required_products.include?('reporting')
    configure_push_jobs_server(server) if required_products.include?('push-jobs-server')
    configure_manage(server) if required_products.include?('manage')
  when 'compliance'
    configure_compliance(server) if required_products.include?('compliance')
  when 'automate'
    configure_automate(server) if required_products.include?('delivery')
  when 'nodes'
    # Allow servers time to generate SSH Server Host Keys
    sleep 5
    configure_chef_client(server, dot_chef_path) if required_products.include?('chef') || required_products.include?('chefdk')
  when 'supermarket'
    configure_supermarket(server) if required_products.include?('supermarket')
  end
end

#configure_push_jobs_server(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 761

def configure_push_jobs_server(server)
  run_ctl(server, "opscode-push-jobs-server", "reconfigure")
  run_ctl(server, @server_configs[server.name][:chef_server_type], "reconfigure")
end

#configure_reporting(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 749

def configure_reporting(server)
  FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/var/opt/opscode-reporting")
  FileUtils.touch("#{server.container.config_item('lxc.rootfs')}/var/opt/opscode-reporting/.license.accepted")
  if @config['chef-server'][:frontends].include?(server.name)
    puts "Copying /etc/opscode-reporting from bootstrap backend '#{@config['chef-server'][:bootstrap_backend]}'"
    FileUtils.cp_r("#{get_server(@config['chef-server'][:bootstrap_backend]).container.config_item('lxc.rootfs')}/etc/opscode-reporting",
                   "#{server.container.config_item('lxc.rootfs')}/etc", preserve: true)
  end
  run_ctl(server, @server_configs[server.name][:chef_server_type], "reconfigure")
  run_ctl(server, "opscode-reporting", "reconfigure")
end

#configure_supermarket(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 801

def configure_supermarket(server)
  if @config['chef-server'][:bootstrap_backend] && get_server(@config['chef-server'][:bootstrap_backend]).container.defined?
    chef_server_supermarket_config = JSON.parse(IO.read("#{get_server(@config['chef-server'][:bootstrap_backend]).container.config_item('lxc.rootfs')}/etc/opscode/oc-id-applications/supermarket.json"))
    supermarket_config = {
      'chef_server_url' => "https://#{@config['chef-server'][:fqdn]}/",
      'chef_oauth2_app_id' => chef_server_supermarket_config['uid'],
      'chef_oauth2_secret' => chef_server_supermarket_config['secret'],
      'chef_oauth2_verify_ssl' => false
    }
    FileUtils.mkdir_p("#{server.container.config_item('lxc.rootfs')}/etc/supermarket")
    IO.write("#{server.container.config_item('lxc.rootfs')}/etc/supermarket/supermarket.json", JSON.pretty_generate(supermarket_config))
  end
  run_ctl(server, "supermarket", "reconfigure")
end

#create_knife_config(fqdn, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 872

def create_knife_config(fqdn, dot_chef_path)
  knife_rb = %Q(
username = "CHANGEME"
orgname = "CHANGEME"

if [username, orgname].include?("CHANGEME")
  puts "ERROR: Please set 'username' and 'orgname' to proper values in knife.rb"
  exit!
end

current_dir = File.dirname(__FILE__)

chef_server_url "https://#{fqdn}/organizations/\#{orgname}"

node_name username
client_key "\#{current_dir}/\#{username}.pem"

validation_client_name "\#{orgname}-validator"
validation_key "\#{current_dir}/\#{orgname}-validator.pem"

cookbook_path Dir.pwd + "/cookbooks"
knife[:chef_repo_path] = Dir.pwd

ssl_verify_mode :verify_none
)
  IO.write("#{dot_chef_path}/knife.rb", knife_rb)
end

#create_org(server, orgname, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 910

def create_org(server, orgname, dot_chef_path)
  create_org_string = "#{orgname} #{orgname} --filename #{dot_chef_path}/#{orgname}-validator.pem"
  case @server_configs[server.name][:chef_server_type]
  when 'private-chef'
    server.run_command("/opt/opscode/embedded/bin/knife opc org create #{create_org_string} -c #{dot_chef_path}/pivotal.rb")
  when 'chef-server'
    run_ctl(server, "chef-server", "org-create #{create_org_string}")
  end
end

#create_pivotal_knife_config(fqdn, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 854

def create_pivotal_knife_config(fqdn, dot_chef_path)
  pivotal_rb = %Q(
current_dir = File.dirname(__FILE__)

chef_server_root "https://#{fqdn}"
chef_server_url "https://#{fqdn}"

node_name "pivotal"
client_key "\#{current_dir}/pivotal.pem"

cookbook_path Dir.pwd + "/cookbooks"
knife[:chef_repo_path] = Dir.pwd

ssl_verify_mode :verify_none
)
  IO.write("#{dot_chef_path}/pivotal.rb", pivotal_rb)
end

#create_user(server, username, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 900

def create_user(server, username, dot_chef_path)
  create_user_string = "#{username} #{username} #{username} #{username}@noreply.com #{username} --filename #{dot_chef_path}/#{username}.pem"
  case @server_configs[server.name][:chef_server_type]
  when 'private-chef'
    server.run_command("/opt/opscode/embedded/bin/knife opc user create #{create_user_string} -c #{dot_chef_path}/pivotal.rb")
  when 'chef-server'
    run_ctl(server, "chef-server", "user-create #{create_user_string}")
  end
end

#create_users_orgs_knife_configs(server, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 820

def create_users_orgs_knife_configs(server, dot_chef_path)
  server_type = @server_configs[server.name][:server_type]
  # give time for all services to come up completely
  sleep 10
  if @server_configs[server.name][:chef_server_type] == 'private-chef'
    # give more time for all services to come up completely
    sleep 50
    server.run_command("/opt/opscode/embedded/bin/gem install knife-opc --no-ri --no-rdoc -v 0.3.1")
  end
  chef_server_dot_chef_path = "#{server.container.config_item('lxc.rootfs')}#{dot_chef_path}"
  FileUtils.mkdir_p(chef_server_dot_chef_path)
  FileUtils.cp( "#{server.container.config_item('lxc.rootfs')}/etc/opscode/pivotal.pem", chef_server_dot_chef_path )
  create_pivotal_knife_config('127.0.0.1', chef_server_dot_chef_path)
  create_knife_config('127.0.0.1', chef_server_dot_chef_path)
  @config[server_type][:users].each do |username|
    create_user(server, username, dot_chef_path)
  end
  @config[server_type][:orgs].each do |orgname, org_users|
    create_org(server, orgname, dot_chef_path)
    if org_users
      if org_users['admins']
        org_users['admins'].each do |username|
          org_add_user(server, orgname, username, true, dot_chef_path)
        end
      end
      if org_users['non-admins']
        org_users['non-admins'].each do |username|
          org_add_user(server, orgname, username, false, dot_chef_path)
        end
      end
    end
  end
end

#get_product_url(server, product_name, product_options) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 453

def get_product_url(server, product_name, product_options)
  server_type = @server_configs[server.name][:server_type]
  base_container = DevLXC::Container.new(@server_configs[server.name][:base_container_name])
  mixlib_install_platform_detection_path = "#{base_container.config_item('lxc.rootfs')}/mixlib-install-platform-detection"
  IO.write(mixlib_install_platform_detection_path, Mixlib::Install::Generator::Bourne.detect_platform_sh)
  platform_results = `chroot #{base_container.config_item('lxc.rootfs')} bash mixlib-install-platform-detection`
  File.unlink(mixlib_install_platform_detection_path)
  if platform_results.empty?
    puts "ERROR: Unable to detect the platform of container '#{base_container.name}'"
    exit 1
  end
  (platform, platform_version, architecture) = platform_results.split
  product_version = product_options['version'] if product_options
  product_version ||= 'latest'
  channel = product_options['channel'] if product_options
  channel ||= 'stable'
  channel = channel.to_sym
  options = {
    product_name: product_name,
    product_version: product_version,
    channel: channel,
    platform: platform,
    platform_version: platform_version,
    architecture: architecture
  }
  artifact = Mixlib::Install.new(options).artifact_info
  if artifact.class != Mixlib::Install::ArtifactInfo
    puts "ERROR: Unable to find download URL for the following product"
    puts JSON.pretty_generate(options)
    exit 1
  end
  artifact.url
end

#get_server(server_name) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 249

def get_server(server_name)
  ipaddress = @server_configs[server_name][:ipaddress]
  additional_fqdn = @server_configs[server_name][:additional_fqdn]
  mounts = @server_configs[server_name][:mounts]
  ssh_keys = @server_configs[server_name][:ssh_keys]
  Server.new(server_name, ipaddress, additional_fqdn, mounts, ssh_keys)
end

#get_sorted_servers(server_name_regex = nil) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 257

def get_sorted_servers(server_name_regex=nil)
  servers = Array.new

  # the order of this list of server_types matters
  # it determines the order in which actions are applied to each server_type
  %w(chef-backend chef-server analytics compliance supermarket automate build-nodes nodes adhoc).each do |server_type|
    unless @config[server_type].empty?
      case server_type
      when "chef-backend"
        @config[server_type][:backends].each do |backend_name|
          servers << get_server(backend_name)
        end
        @config[server_type][:frontends].each do |frontend_name|
          servers << get_server(frontend_name)
        end
      when "analytics", "chef-server"
        if @config[server_type][:bootstrap_backend]
          server_name = @config[server_type][:bootstrap_backend]
          servers << get_server(server_name)
        end
        @config[server_type][:frontends].each do |frontend_name|
          servers << get_server(frontend_name)
        end
      end
    end
    if %w(adhoc automate build-nodes compliance nodes supermarket).include?(server_type)
      server_configs = @server_configs.select { |server_name, server_config| server_config[:server_type] == server_type }
      server_configs.each_key { |server_name| servers << get_server(server_name) }
    end
  end
  servers.select { |s| s.name =~ /#{server_name_regex}/ }
end

#install_products(server) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 524

def install_products(server)
  if !server.snapshot_list.select { |sn| sn[2].start_with?("dev-lxc build: products installed") }.empty?
    puts "Skipping product installation for container '#{server.name}' because it already has a 'products installed' snapshot"
    return
  end
  if server.container.running?
    server_was_running = true
  else
    server_was_running = false
    server.start
  end
  @server_configs[server.name][:required_products].each do |product_name, package_source|
    next if @server_configs[server.name][:server_type] == "build-nodes" && product_name == "chefdk"
    server.install_package(package_source)
  end
  server.stop
  server.snapshot("dev-lxc build: products installed")
  server.start if server_was_running
end

#org_add_user(server, orgname, username, admin, dot_chef_path) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 920

def org_add_user(server, orgname, username, admin, dot_chef_path)
  org_add_user_string = "#{orgname} #{username}"
  org_add_user_string += " --admin" if admin
  case @server_configs[server.name][:chef_server_type]
  when 'private-chef'
    server.run_command("/opt/opscode/embedded/bin/knife opc org user add #{org_add_user_string} -c #{dot_chef_path}/pivotal.rb")
  when 'chef-server'
    run_ctl(server, "chef-server", "org-user-add #{org_add_user_string}")
  end
end

#prep_product_cache(servers, force = false) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 487

def prep_product_cache(servers, force=false)
  all_required_products = Hash.new
  servers.each do |server|
    products = @server_configs[server.name][:products]
    @server_configs[server.name][:required_products] = Hash.new
    if !force && !server.snapshot_list.select { |sn| sn[2].start_with?("dev-lxc build: products installed") }.empty?
      # Skipping product cache preparation for container because it has a 'products installed' snapshot
      next
    end
    products.each do |product_name, product_options|
      if product_options && product_options['package_source']
        package_source = product_options['package_source']
        all_required_products[package_source] = product_name
        @server_configs[server.name][:required_products][product_name] = package_source
      else
        package_source = get_product_url(server, product_name, product_options)
        all_required_products[package_source] = product_name
        product_cache_path = "/var/dev-lxc/cache/chef-products/#{product_name}/#{File.basename(package_source)}"
        @server_configs[server.name][:required_products][product_name] = product_cache_path
      end
    end
  end
  all_required_products.each do |package_source, product_name|
    if package_source.start_with?('http')
      product_cache_path = "/var/dev-lxc/cache/chef-products/#{product_name}/#{File.basename(package_source)}"
      if !File.exist?(product_cache_path)
        FileUtils.mkdir_p(File.dirname(product_cache_path)) unless Dir.exist?(File.dirname(product_cache_path))
        puts "Downloading #{package_source} to #{product_cache_path}"
        open(package_source) { |url| File.open(product_cache_path, 'wb') { |f| f.write(url.read) } }
      end
    elsif !File.exist?(package_source)
      puts "ERROR: Package source #{package_source} does not exist."
      exit 1
    end
  end
end

#print_automate_credentials ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 626

def print_automate_credentials
  automate_server_name = @server_configs.select {|name, config| config[:server_type] == 'automate'}.keys.first
  if automate_server_name
    automate_server = get_server(automate_server_name)
    automate_credentials_files = Dir.glob("#{automate_server.container.config_item('lxc.rootfs')}/etc/delivery/*-credentials")
    automate_credentials_files.each_with_index do |automate_credentials_file, index|
      puts IO.read(automate_credentials_file)
      puts if index + 1 < automate_credentials_files.length
    end
  else
    puts "WARNING: An Automate server is not defined."
    exit 1
  end
end

#run_ctl(server, component, subcommand) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 816

def run_ctl(server, component, subcommand)
  server.run_command("#{component}-ctl #{subcommand}")
end

#show_config ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 240

def show_config
  require 'pp'
  puts "Cluster config:"
  pp @config
  puts
  puts "Server configs:"
  pp @server_configs
end

#up(server_name_regex = nil) ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 290

def up(server_name_regex=nil)
  abort_up = false
  configured_servers = Array.new
  servers = get_sorted_servers(server_name_regex)
  servers.each do |server|
    next if server.container.defined?
    if (@config['chef-server'][:frontends] && @config['chef-server'][:frontends].include?(server.name)) || server.name == @config['analytics'][:bootstrap_backend]
      if @config['chef-server'][:bootstrap_backend].nil?
        puts "ERROR: '#{server.name}' requires a Chef Server bootstrap backend to be configured first."
        abort_up = true
      elsif !get_server(@config['chef-server'][:bootstrap_backend]).container.defined? && servers.select { |s| s.name == @config['chef-server'][:bootstrap_backend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['chef-server'][:bootstrap_backend]}' to be configured first."
        abort_up = true
      end
    end
    if @config['chef-server'][:bootstrap_backend] && @server_configs[server.name][:server_type] == 'supermarket'
      if !get_server(@config['chef-server'][:bootstrap_backend]).container.defined? && servers.select { |s| s.name == @config['chef-server'][:bootstrap_backend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['chef-server'][:bootstrap_backend]}' to be configured first."
        abort_up = true
      end
    end
    if @config['analytics'][:frontends] && @config['analytics'][:frontends].include?(server.name)
      if @config['analytics'][:bootstrap_backend].nil?
        puts "ERROR: '#{server.name}' requires an Analytics Server bootstrap backend to be configured first."
        abort_up = true
      elsif !get_server(@config['analytics'][:bootstrap_backend]).container.defined? && servers.select { |s| s.name == @config['analytics'][:bootstrap_backend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['analytics'][:bootstrap_backend]}' to be configured first."
        abort_up = true
      end
    end
    if @config['chef-backend'][:frontends] && @config['chef-backend'][:frontends].include?(server.name) && server.name != @config['chef-backend'][:bootstrap_frontend]
      if @config['chef-backend'][:bootstrap_frontend].nil?
        puts "ERROR: '#{server.name}' requires a Chef Server bootstrap frontend to be configured first."
        abort_up = true
      elsif !get_server(@config['chef-backend'][:bootstrap_frontend]).container.defined? && servers.select { |s| s.name == @config['chef-backend'][:bootstrap_frontend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['chef-backend'][:bootstrap_frontend]}' to be configured first."
        abort_up = true
      end
    end
    if server.name == @config['chef-backend'][:bootstrap_frontend]
      if (@config['chef-backend'][:backends].select { |s| get_server(s).container.running? }.length + servers.select { |s| @config['chef-backend'][:backends].include?(s.name) }.length) < 2
        puts "ERROR: '#{server.name}' requires at least two nodes in the backend cluster to be running first."
        abort_up = true
      end
    end
    if @config['chef-backend'][:backends] && @config['chef-backend'][:backends].include?(server.name) && server.name != @config['chef-backend'][:leader_backend]
      if !get_server(@config['chef-backend'][:leader_backend]).container.running? && servers.select { |s| s.name == @config['chef-backend'][:leader_backend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['chef-backend'][:leader_backend]}' to be running first."
        abort_up = true
      end
    end
    if @server_configs[server.name][:server_type] == 'nodes'
      if @server_configs[server.name][:chef_server_url] && @server_configs[server.name][:validation_client_name] && @server_configs[server.name][:validation_key].nil?
        if @config['chef-server'][:bootstrap_backend] && !get_server(@config['chef-server'][:bootstrap_backend]).container.defined? && servers.select { |s| s.name == @config['chef-server'][:bootstrap_backend] }.empty?
          puts "ERROR: '#{server.name}' requires '#{@config['chef-server'][:bootstrap_backend]}' to be configured first."
          abort_up = true
        elsif @config['chef-backend'][:bootstrap_frontend] && !get_server(@config['chef-backend'][:bootstrap_frontend]).container.defined? && servers.select { |s| s.name == @config['chef-backend'][:bootstrap_frontend] }.empty?
          puts "ERROR: '#{server.name}' requires '#{@config['chef-backend'][:bootstrap_frontend]}' to be configured first."
          abort_up = true
        end
      end
    end
    if @server_configs[server.name][:server_type] == 'automate'
      if @config['chef-server'][:bootstrap_backend].nil?
        puts "ERROR: '#{server.name}' requires a Chef Server bootstrap backend to be configured first."
        abort_up = true
      elsif !get_server(@config['chef-server'][:bootstrap_backend]).container.defined? && servers.select { |s| s.name == @config['chef-server'][:bootstrap_backend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['chef-server'][:bootstrap_backend]}' to be configured first."
        abort_up = true
      end
    end
    if @server_configs[server.name][:server_type] == 'build-nodes'
      if @config['chef-server'][:bootstrap_backend].nil?
        puts "ERROR: '#{server.name}' requires a Chef Server bootstrap backend to be configured first."
        abort_up = true
      elsif !get_server(@config['chef-server'][:bootstrap_backend]).container.running? && servers.select { |s| s.name == @config['chef-server'][:bootstrap_backend] }.empty?
        puts "ERROR: '#{server.name}' requires '#{@config['chef-server'][:bootstrap_backend]}' to be running first."
        abort_up = true
      end
      if @config['chef-server'][:topology] == 'tier'
        if @config[server_type][:frontends].empty?
          puts "ERROR: '#{server.name}' requires at least one Chef Server frontend to be configured first."
          abort_up = true
        elsif (@config['chef-server'][:frontends].select { |s| get_server(s).container.running? }.length + servers.select { |s| @config['chef-server'][:frontends].include?(s.name) }.length) < 1
          puts "ERROR: '#{server.name}' requires at least one Chef Server frontend to be running first."
          abort_up = true
        end
      end
      automate_server_name = @server_configs.select {|name, config| config[:server_type] == 'automate'}.keys.first
      if automate_server_name
        if !get_server(automate_server_name).container.running? && servers.select { |s| s.name == automate_server_name }.empty?
          puts "ERROR: '#{server.name}' requires '#{automate_server_name}' to be running first."
          abort_up = true
        end
      else
        puts "ERROR: '#{server.name}' requires an Automate Server to be configured first."
        abort_up = true
      end
    end
  end
  exit 1 if abort_up
  prep_product_cache(servers)
  servers.each do |server|
    clone_from_base_container(server) unless server.container.defined?
  end
  servers = get_sorted_servers(server_name_regex)
  servers.each do |server|
    # if this is a build node and it only has one product (chefdk) then skip the install
    next if @server_configs[server.name][:server_type] == "build-nodes" && @server_configs[server.name][:required_products].length == 1
    install_products(server) unless @server_configs[server.name][:required_products].empty?
  end
  servers.each do |server|
    if server.snapshot_list.select { |sn| sn[2].start_with?("dev-lxc build: completed") }.empty?
      if server.name == @config["chef-backend"][:bootstrap_frontend]
        running_backends = Array.new
        @config["chef-backend"][:backends].reverse_each do |server_name|
          backend = get_server(server_name)
          if backend.container.defined? && backend.snapshot_list.select { |sn| sn[2].start_with?("dev-lxc build: backend cluster configured but frontend not bootstrapped") }.empty?
            if backend.container.running?
              running_backends << backend.name
              backend.stop
            end
            backend.snapshot("dev-lxc build: backend cluster configured but frontend not bootstrapped")
            snapshot = backend.snapshot_list.select { |sn| sn[2].start_with?("dev-lxc build: completed") }.first
            backend.snapshot_destroy(snapshot.first) if snapshot
          end
        end
        @config["chef-backend"][:backends].each do |server_name|
          if running_backends.include?(server_name)
            get_server(server_name).start
            configured_servers << server_name unless configured_servers.include?(server_name)
          end
        end
      end
      configure_products(server)
      configured_servers << server.name
    end
    server.start unless server.container.running?
  end
  configured_servers.reverse_each do |server_name|
    server = get_server(server_name)
    server.stop if server.container.running?
    server.snapshot("dev-lxc build: completed")
  end
  configured_servers.each do |server_name|
    server = get_server(server_name)
    server.start if server.container.defined?
  end
end

#validate_cluster_config ⇒ Object 



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# File 'lib/dev-lxc/cluster.rb', line 179

def validate_cluster_config
  base_container_names = Array.new
  mounts = Array.new
  ssh_keys = Array.new
  hostnames = Array.new

  @config.map { |server_type, config| hostnames.push(config[:fqdn]) }

  @server_configs.each do |server_name, server_config|
    base_container_names.push(server_config[:base_container_name]).uniq! if server_config[:base_container_name]
    mounts.concat(server_config[:mounts]).uniq! if server_config[:mounts]
    ssh_keys.concat(server_config[:ssh_keys]).uniq! if server_config[:ssh_keys]
    hostnames.push(server_name)
    case server_config[:server_type]
    when "automate"
      if server_config[:license_path] && !File.exists?(server_config[:license_path])
        puts "ERROR: Automate license #{server_config[:license_path]} does not exist."
        exit 1
      end
    when "nodes"
      if server_config[:validation_key] && !File.exists?(server_config[:validation_key])
        puts "ERROR: Validation key #{server_config[:validation_key]} does not exist."
        exit 1
      end
    end
  end

  unless base_container_names.empty?
    base_container_names.each do |base_container_name|
      unless ::DevLXC::Container.new(base_container_name).defined?
        puts "ERROR: Base container #{base_container_name} does not exist."
        exit 1
      end
    end
  end
  unless hostnames.empty?
    hostnames.each do |hostname|
      unless hostname.end_with?(".lxc")
        puts "ERROR: Hostname #{hostname} does not end with '.lxc'."
        exit 1
      end
    end
  end
  unless mounts.empty?
    mounts.each do |mount|
      unless File.exists?(mount.split.first)
        puts "ERROR: Mount source #{mount.split.first} does not exist."
        exit 1
      end
    end
  end
  unless ssh_keys.empty?
    ssh_keys.each do |ssh_key|
      unless File.exists?(ssh_key)
        puts "ERROR: SSH key #{ssh_key} does not exist."
        exit 1
      end
    end
  end
end