Module: Sumomo

Defined in:
lib/sumomo.rb,
lib/sumomo/api.rb,
lib/sumomo/cdn.rb,
lib/sumomo/dns.rb,
lib/sumomo/ec2.rb,
lib/sumomo/ecs.rb,
lib/sumomo/stack.rb,
lib/sumomo/network.rb,
lib/sumomo/version.rb

Defined Under Namespace

Modules: Stack Classes: APITester

Constant Summary collapse

VERSION = 
'0.8.17'

Class Method Summary collapse

Class Method Details

.create_stack(name:, region:, sns_arn: nil, &block) ⇒ Object 



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# File 'lib/sumomo.rb', line 29

def self.create_stack(name:, region:, sns_arn: nil, &block)
  cf = Aws::CloudFormation::Client.new(region: region)
  begin
    cf.describe_stacks(stack_name: name)
    raise "There is already a stack named '#{name}'"
  rescue Aws::CloudFormation::Errors::ValidationError
    update_stack(name: name, region: region, sns_arn: sns_arn, &block)
  end
end

.curtimestr ⇒ Object 



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# File 'lib/sumomo.rb', line 146

def self.curtimestr
  Time.now.strftime('%Y%m%d%H%M%S')
end

.delete_stack(name:, region:, retain_bucket: false) ⇒ Object 



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# File 'lib/sumomo.rb', line 257

def self.delete_stack(name:, region:, retain_bucket: false)
  cf = Aws::CloudFormation::Client.new(region: region)
  ec2 = Aws::EC2::Client.new(region: region)

  cf.delete_stack(stack_name: name)
  ec2.delete_key_pair(key_name: make_master_key_name(name: name))

  unless retain_bucket
    wait_for_stack(name: name, region: region)
    s3 = Aws::S3::Resource.new(region: region)
    bucket = s3.bucket(name)
    bucket.delete!
  end
end

.get_stack_outputs(name:, region:) ⇒ Object 



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# File 'lib/sumomo.rb', line 272

def self.get_stack_outputs(name:, region:)
  cf = Aws::CloudFormation::Client.new(region: region)

  map = {}
  cf.describe_stacks(stack_name: name).stacks[0].outputs.each do |x|
    map[x.output_key] = x.output_value
  end

  map
end

.make_master_key_key(name:) ⇒ Object 



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# File 'lib/sumomo.rb', line 25

def self.make_master_key_key(name:)
  "cloudformation/#{make_master_key_name(name: name)}.pem"
end

.make_master_key_name(name:) ⇒ Object 



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# File 'lib/sumomo.rb', line 21

def self.make_master_key_name(name:)
  "#{name}_master_key"
end

.test_api(apiname, pretty_print, &block) ⇒ Object 



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# File 'lib/sumomo.rb', line 227

def self.test_api(apiname, pretty_print, &block)
  tester = APITester.new(&block)
  test_name = nil
  if tester.apis.length == 1
    test_name = tester.apis.keys.first
  elsif apiname
    if tester.apis.key? apiname
      test_name = apiname
    else
      puts "Unknown API name. Please choose from one of the APIs: #{tester.apis.keys.inspect}"
    end
  else
    puts "Please choose from one of the APIs: #{tester.apis.keys.inspect}"
  end

  if test_name
    puts "Testing API #{test_name}"
    apigen = Stack::APIGenerator.new(pretty_print: pretty_print, &tester.apis[test_name])

    script = File.read(File.join(Gem.loaded_specs['sumomo'].full_gem_path, 'data', 'sumomo', 'api_modules', 'test_script.js'))
    script.sub!('// {{ ROUTES }}', apigen.generate)
    script.gsub!('{{ SCRIPT }}', apigen.init_script)

    File.write('.test.js', script)
    Stack::APIGenerator.combine_modules('.test_modules')

    exec 'NODE_PATH=.test_modules node .test.js'
  end
end

.update_stack(name:, region:, sns_arn: nil, changeset: false, &block) ⇒ Object 



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# File 'lib/sumomo.rb', line 39

def self.update_stack(name:, region:, sns_arn: nil, changeset: false, &block)
  cf = Aws::CloudFormation::Client.new(region: region)
  s3 = Aws::S3::Client.new(region: region)
  ec2 = Aws::EC2::Client.new(region: region)

  begin
    s3.head_bucket(bucket: name)
  rescue Aws::S3::Errors::NotFound => e
    s3.create_bucket(bucket: name)
  end

  store = S3Cabinet::S3Cabinet.new(nil, nil, name, region)

  master_key_name = make_master_key_name(name: name)
  master_key_key = make_master_key_key(name: name)

  unless store.get(master_key_key)

    resp = nil
    begin
      puts 'No master key found, creating...'
      resp = ec2.create_key_pair(key_name: master_key_name)
    rescue StandardError
      puts 'Master key conflict! Deleting old one'
      ec2.delete_key_pair(key_name: master_key_name)
      resp = ec2.create_key_pair(key_name: master_key_name)
    end

    store.set(master_key_key, resp.key_material)
    store.set("#{master_key_key}.fingerprint", resp.key_fingerprint)

  end

  dummy_number = store.get('cloudformation/dummy_number')
  dummy_number = 0 if dummy_number.nil?
  dummy_number += 1
  store.set('cloudformation/dummy_number', dummy_number)

  hidden_values = []

  template = Momo.cfl do
    inject Sumomo::Stack

    @region = region
    @version_number = dummy_number
    @custom_resources = {}
    @bucket_name = name
    @store = store
    @master_key_name = master_key_name
    @ec2 = ec2
    @cf = cf
    @s3 = s3
    @has_dummy = true
    @dummy_vpc = nil
    @timeout = nil

    instance_eval(&block)

    dummy_vpc = @dummy_vpc

    if @has_dummy
      make 'AWS::EC2::SecurityGroup', name: 'DummyResource' do
        GroupDescription 'Dummy resource for tracking Cloudformation Deployment.'
        VpcId dummy_vpc unless dummy_vpc.nil?
        Tags [{ 'Key' => 'Name', 'Value' => "dummyfordeploy#{dummy_number}" }]
      end
    end

    hidden_values = @hidden_values
  end.templatize

  # TODO: if the template is too big, split it into nested templates

  # puts JSON.parse(template).to_yaml

  store.set_raw('cloudformation/template', template)

  update_options = {
    stack_name: name,
    template_url: store.url('cloudformation/template'),
    parameters: hidden_values,
    disable_rollback: false,
    capabilities: ['CAPABILITY_IAM', 'CAPABILITY_NAMED_IAM']
  }

  begin
    if changeset
      cf.create_change_set(
        **update_options,
        change_set_name: "Change#{curtimestr}"
      )
    else
      cf.update_stack(update_options)
    end

  rescue StandardError => e
    if e.message.end_with? 'does not exist'
      update_options[:timeout_in_minutes] = @timeout if @timeout
      update_options[:notification_arns] = sns_arn if sns_arn
      cf.create_stack(update_options)
    else
      p e
      puts "Error: #{e.message}"
    end
  end
end

.wait_for_stack(name:, region:) ⇒ Object 



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# File 'lib/sumomo.rb', line 150

def self.wait_for_stack(name:, region:)
  cf = Aws::CloudFormation::Client.new(region: region)

  stack_id = name

  begin
    resp = cf.describe_stack_events(stack_name: stack_id)
    top_event = resp.stack_events[0]
    top_event_id = top_event.event_id
    puts "#{top_event.logical_resource_id} #{top_event.resource_status} #{top_event.resource_status_reason}"
  rescue StandardError => e
    puts "describe_stack_events: #{e.message}"
  end

  failure_count = 0
  loop do
    begin
      unless /^arn\:/.match(stack_id)
        stack_id = cf.describe_stacks(stack_name: stack_id).stacks[0].stack_id
        # puts "Unique Stack ID: #{stack_id}"
      end

      resp = cf.describe_stack_events(stack_name: stack_id)
      curr = 0
      lines = []
      loop do
        curr_event = resp.stack_events[curr]
        break if curr_event.event_id == top_event_id

        lines << "#{curr_event.logical_resource_id} #{curr_event.resource_status} #{curr_event.resource_status_reason}"
        break if curr == resp.stack_events.length - 1

        curr += 1
      end

      lines.reverse.each { |x| puts x }

      top_event_id = resp.stack_events[0].event_id
    rescue StandardError => e
      puts "describe_stack_events: #{e.message}"
      failure_count += 1
      break if failure_count > 5
    end

    sleep 1
    begin
      resp = cf.describe_stacks(stack_name: stack_id)

      break if /(COMPLETE$)|(FAILED$)/.match(resp.stacks[0].stack_status)
    rescue StandardError => e
      puts "describe_stacks: #{e.message}"
      break
    end
  end
end