Class: Cumulus::VPC::RouteTableConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/vpc/models/RouteTableConfig.rb

Overview

Public: An object representing configuration for a VPC route table

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, json = nil) ⇒ RouteTableConfig

Public: Constructor

json - a hash containing the JSON configuration for the route table



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# File 'lib/vpc/models/RouteTableConfig.rb', line 21

def initialize(name, json = nil)
  @name = name
  @excludes = []
  if !json.nil?
    @routes = (json["routes"] || []).map { |route| RouteConfig.new(route) }
    @propagate_vgws = json["propagate-vgws"] || []
    @tags = json["tags"]
    @excludes = json["exclude-cidr-blocks"] || []
  end
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/vpc/models/RouteTableConfig.rb', line 13

def name
  @name
end

#propagate_vgws ⇒ Object (readonly)

Returns the value of attribute propagate_vgws.



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# File 'lib/vpc/models/RouteTableConfig.rb', line 15

def propagate_vgws
  @propagate_vgws
end

#routes ⇒ Object (readonly)

Returns the value of attribute routes.



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# File 'lib/vpc/models/RouteTableConfig.rb', line 14

def routes
  @routes
end

#tags ⇒ Object (readonly)

Returns the value of attribute tags.



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# File 'lib/vpc/models/RouteTableConfig.rb', line 16

def tags
  @tags
end

Instance Method Details

#diff(aws) ⇒ Object

Public: Produce an array of differences between this local configuration and the configuration in AWS

aws - the AWS resource

Returns an array of the RouteTableDiffs that were found



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# File 'lib/vpc/models/RouteTableConfig.rb', line 60

def diff(aws)
  diffs = []

  aws_routes = aws.diffable_routes.reject { |route| @excludes.include? route.destination_cidr_block }
  local_routes = @routes.reject { |route| @excludes.include? route.dest_cidr }

  ignored_aws_routes = aws.diffable_routes.select { |route| @excludes.include? route.destination_cidr_block }.map(&:destination_cidr_block).join(", ")
  ignored_local_routes = @routes.select { |route| @excludes.include? route.dest_cidr }.map(&:dest_cidr).join(", ")

  puts "Ignoring local routes: #{ignored_local_routes}" if !ignored_local_routes.empty?
  puts "Ignoring AWS routes: #{ignored_aws_routes}" if !ignored_aws_routes.empty?

  routes_diff = RouteTableDiff.routes(aws_routes, local_routes)
  if routes_diff
    diffs << routes_diff
  end

  aws_vgw_ids = aws.propagating_vgws.map(&:gateway_id)
  if @propagate_vgws.sort != aws_vgw_ids.sort
    diffs << RouteTableDiff.propagate_vgws(aws_vgw_ids, @propagate_vgws)
  end

  aws_tags = Hash[aws.tags.map { |tag| [tag.key, tag.value] }]
  if @tags != aws_tags
    diffs << RouteTableDiff.new(RouteTableChange::TAGS, aws_tags, @tags)
  end

  diffs
end

#populate!(aws) ⇒ Object 



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# File 'lib/vpc/models/RouteTableConfig.rb', line 40

def populate!(aws)
  @routes = aws.diffable_routes.reject { |route| @excludes.include? route.destination_cidr_block }.map do |aws_route|
    cumulus_route = RouteConfig.new
    cumulus_route.populate!(aws_route)
    cumulus_route
  end

  @propagate_vgws = aws.propagating_vgws.map(&:gateway_id)

  @tags = Hash[aws.tags.map { |tag| [tag.key, tag.value] }]

  self
end

#to_hash ⇒ Object 



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# File 'lib/vpc/models/RouteTableConfig.rb', line 32

def to_hash
  {
    "routes" => @routes.map(&:to_hash),
    "propagate-vgws" => @propagate_vgws,
    "tags" => @tags,
  }.reject { |k, v| v.nil? }
end