Class: Applb::DSL::EC2::LoadBalancer::Result

Inherits:
Object
  • Object
show all
Defined in:
lib/applb/dsl/load_balancer.rb

Constant Summary collapse

ATTRIBUTES = 
i/name instances scheme subnets security_groups tags ip_address_type attributes target_groups listeners load_balancer_arn/
CREATE_KEYS = 
i/name subnets security_groups scheme tags ip_address_type/

Instance Method Summary collapse

Constructor Details

#initialize(context) ⇒ Result

Returns a new instance of Result.



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# File 'lib/applb/dsl/load_balancer.rb', line 17

def initialize(context)
  @context = context
  @options = context.options
end

Instance Method Details

#aws(aws_lb) ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 38

def aws(aws_lb)
  @aws_lb = aws_lb
  self
end

#create ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 31

def create
  Applb.logger.info "Create ELB v2 #{name}"
  return if @options[:dry_run]

  client.create_load_balancer(create_option).load_balancers.first
end

#create_option ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 27

def create_option
  to_h.select { |k, _| CREATE_KEYS.include?(k) }
end

#ip_address_type_updated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/applb/dsl/load_balancer.rb', line 51

def ip_address_type_updated?
  ip_address_type != @aws_lb.ip_address_type
end

#modify_ip_address_type ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 91

def modify_ip_address_type
  return unless ip_address_type_updated?

  Applb.logger.info "Modify #{name} ip_address_type"
  diff = Applb::Utils.diff(
    @aws_lb.ip_address_type,
    ip_address_type,
    color: @options[:color],
  )
  Applb.logger.info("<diff>\n#{diff}")

  return if @options[:dry_run]
  client.set_ip_address_type(
    load_balancer_arn: @aws_lb.load_balancer_arn,
    ip_address_type: ip_address_type,
  ).ip_address_type
end

#modify_load_balancer_attributes ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 109

def modify_load_balancer_attributes
  attrs = attributes.map do |attr|
    {key: attr[:key], value: attr[:value].to_s}
  end
  log_enabled = attrs.find { |attr| attr[:key] == 'access_logs.s3.enabled' }[:value]
  if log_enabled.to_s == 'false'
    attrs.reject! do |attr|
      %w/access_logs.s3.bucket access_logs.s3.prefix/.include?(attr[:key])
    end
  end
  dsl_hash = attrs.map { |a| a.to_h }.sort { |a, b| a[:key] <=> b[:key] }

  aws_attributes = client.describe_load_balancer_attributes(
    load_balancer_arn: @aws_lb.load_balancer_arn,
  ).attributes
  aws_hash = aws_attributes.map { |a| a.to_h }.sort { |a, b| a[:key] <=> b[:key] }
  aws_log_enabled = aws_attributes.find { |attr| attr[:key] == 'access_logs.s3.enabled' }[:value]
  if aws_log_enabled == 'false'
    aws_hash.reject! do |attr|
      %w/access_logs.s3.bucket access_logs.s3.prefix/.include?(attr[:key])
    end
  end

  return if dsl_hash == aws_hash

  Applb.logger.info "Modify #{name} load_balancer_attributes"
  Applb.logger.info("<diff>\n#{Applb::Utils.diff(aws_hash, dsl_hash, color: @options[:color])}")
  return if @options[:dry_run]

  client.modify_load_balancer_attributes(
    load_balancer_arn: @aws_lb.load_balancer_arn,
    attributes: attrs,
  ).attributes
end

#modify_security_groups ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 73

def modify_security_groups
  return unless security_groups_updated?

  Applb.logger.info "Modify #{name} security_groups"
  diff = Applb::Utils.diff(
    @aws_lb.security_groups.sort,
    security_groups.sort,
    color: @options[:color],
  )
  Applb.logger.info("<diff>\n#{diff}")
  return if @options[:dry_run]

  client.set_security_groups(
    load_balancer_arn: @aws_lb.load_balancer_arn,
    security_groups: security_groups,
  ).security_group_ids
end

#modify_subnets ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 55

def modify_subnets
  return unless subnets_updated?

  Applb.logger.info("Modify #{name} subnets")
  diff = Applb::Utils.diff(
    @aws_lb.availability_zones.map(&:subnet_id).sort,
    subnets.sort,
    color: @options[:color],
  )
  Applb.logger.info("<diff>\n#{diff}")
  return if @options[:dry_run]

  client.set_subnets(
    load_balancer_arn: @aws_lb.load_balancer_arn,
    subnets: subnets,
  ).availability_zones
end

#security_groups_updated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/applb/dsl/load_balancer.rb', line 47

def security_groups_updated?
  security_groups.sort != @aws_lb.security_groups.sort
end

#subnets_updated? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/applb/dsl/load_balancer.rb', line 43

def subnets_updated?
  subnets.sort != @aws_lb.availability_zones.map(&:subnet_id).sort
end

#to_h ⇒ Object 



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# File 'lib/applb/dsl/load_balancer.rb', line 22

def to_h
  Hash[ATTRIBUTES.sort.map { |name| [name, public_send(name)] }]
end