module Chef::Knife::AwsBase

Public Class Methods

included(includer) click to toggle source
# File lib/chef/knife/aws_base.rb, line 7
def self.included(includer)
  includer.class_eval do

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

    option :aws_credential_file,
           :long => "--aws-credential-file FILE",
           :description => "File containing AWS credentials as used by aws cmdline tools",
           :proc => Proc.new { |key| Chef::Config[:knife][:aws_credential_file] = key }

    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",
           :proc => Proc.new { |key| Chef::Config[:knife][:region] = key }
  end
end

Public Instance Methods

connection() click to toggle source
# File lib/chef/knife/aws_base.rb, line 40
def connection
  raise StandardError, "Abstract Method Not Implemented: 'connection'"
end
locate_config_value(key) click to toggle source
# File lib/chef/knife/aws_base.rb, line 45
def locate_config_value(key)
  key = key.to_sym
  config={} if config.nil?
  config[key] || Chef::Config[:knife][key]
end
msg_pair(label, value, color=:cyan) click to toggle source
# File lib/chef/knife/aws_base.rb, line 51
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]) click to toggle source
# File lib/chef/knife/aws_base.rb, line 57
def validate!(keys=[:aws_access_key_id, :aws_secret_access_key])
  errors = []

  unless Chef::Config[:knife][:aws_credential_file].nil?
    unless (Chef::Config[:knife].keys & [:aws_access_key_id, :aws_secret_access_key]).empty?
      errors << "Either provide a credentials file or the access key and secret keys but not both."
    end
    # File format:
    # AWSAccessKeyId=somethingsomethingdarkside
    # AWSSecretKey=somethingsomethingcomplete
    #               OR
    # aws_access_key_id = somethingsomethingdarkside
    # aws_secret_access_key = somethingsomethingdarkside

    aws_creds = []
    File.read(Chef::Config[:knife][:aws_credential_file]).each_line do | line |
      aws_creds << line.split("=").map(&:strip) if line.include?("=")
    end
    entries = Hash[*aws_creds.flatten]
    Chef::Config[:knife][:aws_access_key_id] = entries['AWSAccessKeyId'] || entries['aws_access_key_id']
    Chef::Config[:knife][:aws_secret_access_key] = entries['AWSSecretKey'] || entries['aws_secret_access_key']
  end

  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