Class: CfnVpn::Actions::Modify

Inherits:
Thor::Group
  • Object
show all
Includes:
Thor::Actions
Defined in:
lib/cfnvpn/actions/modify.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.source_root ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 47

def self.source_root
  File.dirname(__FILE__)
end

Instance Method Details

#create_bucket_if_bucket_not_set ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 104

def create_bucket_if_bucket_not_set
  if !@options['bucket'] && !@config.has_key?(:bucket)
    if yes? "no s3 bucket supplied in the command or found in the config, select (Y) to generate a new one ot select (N) and re run teh command with the --bucket flag to import the existing bucket." 
      CfnVpn::Log.logger.info "creating s3 bucket"
      bucket = CfnVpn::S3Bucket.new(@options['region'], @name)
      bucket_name = bucket.generate_bucket_name
      bucket.create_bucket(bucket_name)
      @config[:bucket] = bucket_name
    else
      CfnVpn::Log.logger.info "rerun cfn-vpn modify #{name} command with the --bucket [BUCKET] flag"
      exit 1
    end
  elsif @options['bucket']
    @config[:bucket] = @options['bucket']
  end
end

#create_build_directory ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 55

def create_build_directory
  @build_dir = "#{CfnVpn.cfnvpn_path}/#{@name}"
  CfnVpn::Log.logger.debug "creating directory #{@build_dir}"
  FileUtils.mkdir_p(@build_dir)
end

#deploy_vpn ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 121

def deploy_vpn
  compiler = CfnVpn::Compiler.new(@name, @config)
  template_body = compiler.compile
  CfnVpn::Log.logger.info "Creating cloudformation changeset for stack #{@name}-cfnvpn in #{@options['region']}"
  change_set, change_set_type = @deployer.create_change_set(template_body: template_body)
  @deployer.wait_for_changeset(change_set.id)
  changeset_response = @deployer.get_change_set(change_set.id)

  changes = {"Add" => [], "Modify" => [], "Remove" => []}
  change_colours = {"Add" => "green", "Modify" => 'yellow', "Remove" => 'red'}

  changeset_response.changes.each do |change|
    action = change.resource_change.action
    changes[action].push([
      change.resource_change.logical_resource_id,
      change.resource_change.resource_type,
      change.resource_change.replacement ? change.resource_change.replacement : 'N/A',
      change.resource_change.details.collect {|detail| detail.target.name }.join(' , ')
    ])
  end

  changes.each do |type, rows|
    next if !rows.any?
    puts "\n"
    table = Terminal::Table.new(
      :title => type,
      :headings => ['Logical Resource Id', 'Resource Type', 'Replacement', 'Changes'],
      :rows => rows)
    puts table.to_s.send(change_colours[type])
  end

  CfnVpn::Log.logger.info "Cloudformation changeset changes:"
  puts "\n"
  continue = yes? "Continue?", :green
  if !continue
    CfnVpn::Log.logger.info("Cancelled cfn-vpn modifiy #{@name}")
    exit 1
  end

  @deployer.execute_change_set(change_set.id)
  @deployer.wait_for_execute(change_set_type)
  CfnVpn::Log.logger.info "Changeset #{change_set_type} complete"
end

#finish ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 165

def finish
  vpn = CfnVpn::ClientVpn.new(@name,@options['region'])
  CfnVpn::Log.logger.info "Client VPN #{vpn.endpoint_id} modified."
end

#initialize_config ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 69

def initialize_config
  @config = CfnVpn::Config.get_config(@options[:region], @name)

  CfnVpn::Log.logger.debug "Current config:\n#{@config}"

  if @options[:param_yaml]
    CfnVpn::Log.logger.debug "Loading config from YAML file #{@options[:param_yaml]}"
    @config = CfnVpn::Config.get_config_from_yaml_file(@options[:param_yaml])
  else
    CfnVpn::Log.logger.debug "Loading config from options"
    @options.each do |key, value|
      next if [:verbose].include? key
      @config[key.to_sym] = value
    end

    if @options['add_subnet_ids']
      @config[:subnet_ids].concat @options['add_subnet_ids']
    end

    if @options['del_subnet_ids']
      @config[:subnet_ids].reject!{ |subnet| @options['del_subnet_ids'].include? subnet }
    end

    if @options['no_dns_servers']
      @config[:dns_servers] = []
    end
  end

  if (@config[:saml_arn] || @config[:directory_id]) && @options[:default_groups]
    @config[:default_groups] = @options[:default_groups]
  end

  CfnVpn::Log.logger.debug "Modified config:\n#{@config}"
end

#set_loglevel ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 51

def set_loglevel
  CfnVpn::Log.logger.level = Logger::DEBUG if @options['verbose']
end

#stack_exist ⇒ Object 



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# File 'lib/cfnvpn/actions/modify.rb', line 61

def stack_exist
  @deployer = CfnVpn::Deployer.new(@options['region'],@name)
  if !@deployer.does_cf_stack_exist()
    CfnVpn::Log.logger.error "#{@name}-cfnvpn stack doesn't exists in this account in region #{@options['region']}\n Try running `cfn-vpn init #{@name}` to setup the stack"
    exit 1
  end
end