Class: Chef::Knife::InstanceCreate

Inherits:
ZestKnife show all
Defined in:
lib/chef/knife/instance_create.rb

Constant Summary

Constants inherited from ZestKnife

ZestKnife::OPTS, ZestKnife::VALIDATORS

Instance Attribute Summary collapse

Attributes inherited from ZestKnife

#base_domain, #internal_domain

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from ZestKnife

AWS_REGIONS, aws_for_region, #check_services, #domain, #domain_prefix, #environment_prefix, #errors, #errors?, #find_ec2, #find_item, #find_r53, #fqdn, #generate_hostname, in_all_aws_regions, #msg_pair, #random_hostname, #random_three_digit_number, #setup_config, #validate_color, #validate_domain, #validate_env, #validate_force_deploy, #validate_hostname, #validate_prod, #validate_region, validates, with_opts, with_validated_opts, #zone, #zone_from_name

Instance Attribute Details

#hostname ⇒ Object

Returns the value of attribute hostname.



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# File 'lib/chef/knife/instance_create.rb', line 17

def hostname
  @hostname
end

Class Method Details

.new_with_defaults(environment, region, color, base_domain, opts) ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 143

def self.new_with_defaults environment, region, color, base_domain, opts
  new.tap do |ic|
    ic.config[:environment]               = environment
    ic.config[:cluster_tag]               = color
    ic.config[:region]                    = region
    ic.config[:base_domain]               = base_domain
    ic.config[:aws_ssh_key_id]            = opts[:aws_ssh_key_id]
    ic.config[:aws_access_key_id]         = opts[:aws_access_key_id]
    ic.config[:aws_secret_access_key]     = opts[:aws_secret_access_key]
    ic.config[:availability_zone]         = opts[:availability_zone]
    ic.config[:encrypted_data_bag_secret] = opts[:encrypted_data_bag_secret]
    ic.config[:wait_for_it]               = opts[:wait_for_it]
    ic.config[:image]                     = opts[:image]
    ic.config[:subnet_id]                 = opts[:subnet_id]
  end
end

Instance Method Details

#ami ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 188

def ami
  @ami ||= ZestKnife.aws_for_region(@region).compute.images.get(image)
end

#availability_zone ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 184

def availability_zone
  config[:availability_zone]
end

#create_server_def ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 160

def create_server_def
  server_def = {
      :image_id           => image,
      :groups             => config[:security_groups],
      :security_group_ids => config[:security_group_ids],
      :flavor_id          => config[:flavor],
      :key_name           => config[:aws_ssh_key_id],
      :availability_zone  => availability_zone,
      :subnet_id          => config[:subnet_id],
      :tags => {
          'Name'        => hostname,
          'environment' => @environment
      },
      :user_data                 => config[:without_user_data] ? "" : get_user_data,
      :iam_instance_profile_name => config[:iam_role]
  }

  server_def
end

#get_user_data ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 207

def get_user_data
  generator = Zest::BootstrapGenerator.new(Chef::Config[:validation_key], Chef::Config[:validation_client_name], Chef::Config[:chef_server_url], @environment, config[:run_list], hostname, @color, @base_domain, config[:encrypted_data_bag_secret])
  generator.generate
end

#image ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 180

def image
  config[:image]
end

#run ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 79

def run
  $stdout.sync = true
  setup_config

  @environment = config[:environment]
  @base_domain = config[:base_domain]
  @hostname    = config[:hostname] || generate_hostname(@environment)
  @color       = config[:cluster_tag]
  @region      = config[:region]

  validate!

  get_user_data

  if config[:show_server_options]
    details = create_server_def
    ui.info(
        ui.color("Creating server with options\n", :bold) +
            ui.color(JSON.pretty_generate(details.reject { |k, v| k == :user_data }), :blue) +
            ui.color("\nWith user script\n", :bold) +
            ui.color(details[:user_data], :cyan)
    )
    exit 0
  end

  server = ZestKnife.aws_for_region(@region).compute.servers.create(create_server_def)

  msg_pair("Zest Hostname", fqdn(hostname))
  msg_pair("Environment", @environment)
  msg_pair("Run List", config[:run_list].join(', '))
  msg_pair("Instance ID", server.id)
  msg_pair("Flavor", server.flavor_id)
  msg_pair("Image", server.image_id)
  msg_pair("Region", @region)
  msg_pair("Availability Zone", server.availability_zone)
  msg_pair("Security Groups", server.groups.join(", "))
  msg_pair("SSH Key", server.key_name)

  return unless config[:wait_for_it]

  print "\n#{ui.color("Waiting for server", :magenta)}"

  # wait for it to be ready to do stuff
  server.wait_for { print "."; ready? }

  puts "\n"
  msg_pair("Public DNS Name", server.dns_name)
  msg_pair("Public IP Address", server.public_ip_address)
  msg_pair("Private DNS Name", server.private_dns_name)
  msg_pair("Private IP Address", server.private_ip_address)
  msg_pair("Instance ID", server.id)
  msg_pair("Flavor", server.flavor_id)
  msg_pair("Image", server.image_id)
  msg_pair("Region", @region)
  msg_pair("Availability Zone", server.availability_zone)
  msg_pair("Security Groups", server.groups.join(", "))
  msg_pair("SSH Key", server.key_name)
  msg_pair("Root Device Type", server.root_device_type)

  zone.records.create(:name => fqdn(hostname), :type => 'A', :value => server.private_ip_address, :ttl => 300)

  server
end

#validate! ⇒ Object 



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# File 'lib/chef/knife/instance_create.rb', line 192

def validate!
  unless File.exists?(config[:encrypted_data_bag_secret])
    errors << "Could not find encrypted data bag secret. Tried #{config[:encrypted_data_bag_secret]}"
  end

  if ami.nil?
    errors << "You have not provided a valid image. Tried to find '#{image}'."
  end

  validate_hostname hostname

  super([:aws_access_key_id, :aws_secret_access_key,
         :flavor, :aws_ssh_key_id, :run_list])
end