Class: CfnVpn::Actions::RenewCertificate

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

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.source_root ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 26

def self.source_root
  File.dirname(__FILE__)
end

Instance Method Details

#create_build_directory ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 34

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

#deploy_vpn ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 96

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

#initialize_config ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 50

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

#renew_certificates ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 63

def renew_certificates
  if @config[:type] == 'certificate'
    s3 = CfnVpn::S3.new(@options['region'],@options['bucket'],@name)
    s3.get_object("#{@cert_dir}/ca.tar.gz")

    if @options['rebuild']
      CfnVpn::Log.logger.info "rebuilding server and #{@client_cn} certificates"
      cert = CfnVpn::Certificates.new(@build_dir,@name,@options['easyrsa_local'])
      cert.rebuild(@config[:server_cn],@client_cn,@options['certificate_expiry'])
    else
      CfnVpn::Log.logger.info "renewing server and #{@client_cn} certificates"
      cert = CfnVpn::Certificates.new(@build_dir,@name,@options['easyrsa_local'])
      cert.renew(@config[:server_cn],@client_cn,@options['certificate_expiry'])
    end
  else
    CfnVpn::Log.logger.info "recreating server and #{@client_cn} certificates with a new CA"
    cert = CfnVpn::Certificates.new(@build_dir,@name,@options['easyrsa_local'])
    cert.generate_ca(@options['server_cn'],@options['certificate_expiry'])
  end
end

#set_client_cn ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 54

def set_client_cn
  @client_cn = nil
  if @config[:type] == 'certificate'
    acm = CfnVpn::Acm.new(@options['region'], @cert_dir)
    @client_cn = acm.get_certificate_tags(@config[:client_cert_arn],'Name')
    CfnVpn::Log.logger.info "Client CN #{@client_cn}"
  end
end

#set_loglevel ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 30

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

#stack_exist ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 42

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

#upload_certificates ⇒ Object 



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# File 'lib/cfnvpn/actions/renew_certificate.rb', line 84

def upload_certificates
  cert = CfnVpn::Certificates.new(@build_dir,@name,@options['easyrsa_local'])
  @config[:server_cert_arn] = cert.upload_certificates(@options['region'],'server','server',@config[:server_cn])
  if @config[:type] == 'certificate'
     # we only need the server certificate to ACM if it is a SAML federated client vpn
    @config[:client_cert_arn] = cert.upload_certificates(@options['region'],@client_cn,'client')
    # and only need to upload the certs to s3 if using certificate authenitcation
    s3 = CfnVpn::S3.new(@options['region'],@config[:bucket],@name)
    s3.store_object("#{@build_dir}/certificates/ca.tar.gz")
  end
end