Class: Chef::Knife::Ec2ServerList

Inherits:
Chef::Knife show all
Includes:
Ec2Base
Defined in:
lib/chef/knife/ec2_server_list.rb

Instance Method Summary collapse

Methods included from Ec2Base

#ami, #connection_string, #ec2_connection, #fetch_ami, #fetch_ec2_instance, #fetch_network_interfaces, #fetch_password_data, #fetch_region, #fetch_subnet, #find_name_tag, included, #is_image_windows?, #msg_pair, #normalize_server_data, #validate_aws_config!, #vpc_mode?

Methods inherited from Chef::Knife

#aws_cred_file_location, #custom_warnings!, #find_server_platform, #iam_name_from_profile, #ini_parse

Instance Method Details

#azcolor(az) ⇒ Symbol

Returns:

  • (Symbol) 


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# File 'lib/chef/knife/ec2_server_list.rb', line 57

def azcolor(az)
  case az
  when /a$/
    color = :blue
  when /b$/
    color = :green
  when /c$/
    color = :red
  when /d$/
    color = :magenta
  when /e$/
    color = :yellow
  else
    color = :cyan
  end
end

#run ⇒ Object 



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# File 'lib/chef/knife/ec2_server_list.rb', line 86

def run
  $stdout.sync = true

  validate_aws_config!

  servers_list = [
    ui.color("Instance ID", :bold),

    if config[:name]
      ui.color("Name", :bold)
    end,

    ui.color("Public IP", :bold),
    ui.color("Private IP", :bold),
    ui.color("Flavor", :bold),

    if config[:az]
      ui.color("AZ", :bold)
    end,

    ui.color("Image", :bold),
    ui.color("SSH Key", :bold),
    ui.color("Security Groups", :bold),

    if config[:tags]
      config[:tags].split(",").collect do |tag_name|
        ui.color("Tag:#{tag_name}", :bold)
      end
    end,

    if config[:iamprofile]
      ui.color("IAM Profile", :bold)
    end,

    ui.color("State", :bold),
  ].flatten.compact

  output_column_count = servers_list.length

  unless config[:region]
    ui.warn "No region was specified in knife.rb/config.rb or as an argument. The default region, us-east-1, will be used:"
  end

  if config[:format] == "summary"
    server_hashes.each do |v|
      servers_list << v["instance_id"]
      servers_list << v["name"] if config[:name]
      servers_list << v["public_ip_address"]
      servers_list << v["private_ip_address"]
      servers_list << v["instance_type"]
      servers_list << ui.color(v["az"], azcolor(v["az"])) if config[:az]
      servers_list << v["image_id"]
      servers_list << v["key_name"]
      servers_list << v["security_groups"].join(",")
      if config[:tags]
        config[:tags].split(",").collect do |tag_name|
          servers_list << v["tags"].find { |tag| tag == tag_name }
        end
      end
      servers_list << v["iam_instance_profile"].to_s if config[:iamprofile] # may be nil
      servers_list << ui.color(v["state"], state_color(v["state"]))
    end
    puts ui.list(servers_list, :uneven_columns_across, output_column_count)
  else
    output(format_for_display(server_hashes))
  end
end

#state_color(state) ⇒ Symbol

Returns:

  • (Symbol) 


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# File 'lib/chef/knife/ec2_server_list.rb', line 75

def state_color(state)
  case state
  when "shutting-down", "terminated", "stopping", "stopped"
    :red
  when "pending"
    :yellow
  else
    :green
  end
end