Class: Chef::Knife::CfnBase

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/cfn_base.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Chef::Knife

#create_create_def, #create_update_def

Class Method Details

.included(includer) ⇒ Object

:nodoc: Would prefer to do this in a rational way, but can’t be done b/c of Mixlib::CLI’s design :(



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# File 'lib/chef/knife/cfn_base.rb', line 24

def self.included(includer)
  includer.class_eval do

    deps do
      require 'fog'
      require 'readline'
      require 'chef/json_compat'
    end

    option :aws_access_key_id,
      :short => "-A ID",
      :long => "--aws-access-key-id KEY",
      :description => "Your AWS Access Key ID",
      :proc => Proc.new { |key| Chef::Config[:knife][:aws_access_key_id] = key }

    option :aws_secret_access_key,
      :short => "-K SECRET",
      :long => "--aws-secret-access-key SECRET",
      :description => "Your AWS API Secret Access Key",
      :proc => Proc.new { |key| Chef::Config[:knife][:aws_secret_access_key] = key }

    option :region,
      :long => "--region REGION",
      :description => "Your AWS region",
      :default => "us-east-1",
      :proc => Proc.new { |key| Chef::Config[:knife][:region] = key }
  end
end

Instance Method Details

#connection ⇒ Object 



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# File 'lib/chef/knife/cfn_base.rb', line 53

def connection
  @connection ||= begin
    connection =  Fog::AWS::CloudFormation.new(
      :aws_access_key_id => Chef::Config[:knife][:aws_access_key_id],
      :aws_secret_access_key => Chef::Config[:knife][:aws_secret_access_key],
      :region => locate_config_value(:region)
    )
  end
end

#locate_config_value(key) ⇒ Object 



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# File 'lib/chef/knife/cfn_base.rb', line 63

def locate_config_value(key)
  key = key.to_sym
  Chef::Config[:knife][key] || config[key]
end

#msg_pair(label, value, color = :cyan) ⇒ Object 



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# File 'lib/chef/knife/cfn_base.rb', line 68

def msg_pair(label, value, color=:cyan)
  if value && !value.to_s.empty?
    puts "#{ui.color(label, color)}: #{value}"
  end
end

#validate!(keys = [:aws_access_key_id, :aws_secret_access_key]) ⇒ Object 



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# File 'lib/chef/knife/cfn_base.rb', line 74

def validate!(keys=[:aws_access_key_id, :aws_secret_access_key])
  errors = []

  keys.each do |k|
    pretty_key = k.to_s.gsub(/_/, ' ').gsub(/\w+/){ |w| (w =~ /(ssh)|(aws)/i) ? w.upcase  : w.capitalize }
    if Chef::Config[:knife][k].nil?
      errors << "You did not provide a valid '#{pretty_key}' value."
    end
  end

  if errors.each{|e| ui.error(e)}.any?
    exit 1
  end
end