Class: Bora::Resolver::Ami
- Inherits:
-
Object
- Object
- Bora::Resolver::Ami
- Defined in:
- lib/bora/resolver/ami.rb
Constant Summary collapse
- NoAMI =
Class.new(StandardError)
- InvalidParameter =
Class.new(StandardError)
- InvalidUserId =
Class.new(StandardError)
Instance Method Summary collapse
-
#initialize(stack) ⇒ Ami
constructor
A new instance of Ami.
- #resolve(uri) ⇒ Object
Constructor Details
#initialize(stack) ⇒ Ami
Returns a new instance of Ami.
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# File 'lib/bora/resolver/ami.rb', line 9 def initialize(stack) @stack = stack end |
Instance Method Details
#resolve(uri) ⇒ Object
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# File 'lib/bora/resolver/ami.rb', line 13 def resolve(uri) owners = [] ami_prefix = uri.host raise InvalidParameter, "Invalid ami parameter #{uri}" unless ami_prefix if !uri.query.nil? && uri.query.include?('owner') query = URI.decode_www_form(uri.query).to_h owners = query['owner'].split(',') else owners << 'self' end ec2 = Aws::EC2::Client.new(region: @stack.region) begin images = ec2.describe_images( owners: owners, filters: [ { name: 'name', values: [ami_prefix] }, { name: 'state', values: ['available'] } ] ).images rescue Aws::EC2::Errors::InvalidUserIDMalformed raise InvalidUserId, "Invalid owner argument in #{uri}" end raise NoAMI, "No Matching AMI's for prefix #{ami_prefix}" if images.empty? images.sort! { |a, b| DateTime.parse(a.creation_date) <=> DateTime.parse(b.creation_date) }.last.image_id end |