class Terraforming::Resource::EC2
Public Class Methods
new(client)
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# File lib/terraforming/resource/ec2.rb, line 14 def initialize(client) @client = client end
tf(client: Aws::EC2::Client.new)
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# File lib/terraforming/resource/ec2.rb, line 6 def self.tf(client: Aws::EC2::Client.new) self.new(client).tf end
tfstate(client: Aws::EC2::Client.new)
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# File lib/terraforming/resource/ec2.rb, line 10 def self.tfstate(client: Aws::EC2::Client.new) self.new(client).tfstate end
Public Instance Methods
tf()
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# File lib/terraforming/resource/ec2.rb, line 18 def tf apply_template(@client, "tf/ec2") end
tfstate()
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# File lib/terraforming/resource/ec2.rb, line 22 def tfstate instances.inject({}) do |resources, instance| in_vpc = in_vpc?(instance) block_devices = block_devices_of(instance) attributes = { "ami" => instance.image_id, "associate_public_ip_address" => associate_public_ip?(instance).to_s, "availability_zone" => instance.placement.availability_zone, "ebs_block_device.#" => ebs_block_devices_in(block_devices, instance).length.to_s, "ebs_optimized" => instance.ebs_optimized.to_s, "ephemeral_block_device.#" => "0", # Terraform 0.6.1 cannot fetch this field from AWS "id" => instance.instance_id, "instance_type" => instance.instance_type, "monitoring" => monitoring_state(instance).to_s, "private_dns" => instance.private_dns_name, "private_ip" => instance.private_ip_address, "public_dns" => instance.public_dns_name, "public_ip" => instance.public_ip_address, "root_block_device.#" => root_block_devices_in(block_devices, instance).length.to_s, "security_groups.#" => in_vpc ? "0" : instance.security_groups.length.to_s, "source_dest_check" => instance.source_dest_check.to_s, "tenancy" => instance.placement.tenancy, "vpc_security_group_ids.#" => in_vpc ? instance.security_groups.length.to_s : "0", } placement_group = instance.placement.group_name attributes["placement_group"] = placement_group unless placement_group.empty? attributes["subnet_id"] = instance.subnet_id if in_vpc?(instance) resources["aws_instance.#{module_name_of(instance)}"] = { "type" => "aws_instance", "primary" => { "id" => instance.instance_id, "attributes" => attributes, "meta" => { "schema_version" => "1" } } } resources end end
Private Instance Methods
associate_public_ip?(instance)
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# File lib/terraforming/resource/ec2.rb, line 99 def associate_public_ip?(instance) !instance.public_ip_address.to_s.empty? end
block_device_ids_of(instance)
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# File lib/terraforming/resource/ec2.rb, line 70 def block_device_ids_of(instance) instance.block_device_mappings.map { |bdm| bdm.ebs.volume_id } end
block_device_mapping_of(instance, volume_id)
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# File lib/terraforming/resource/ec2.rb, line 79 def block_device_mapping_of(instance, volume_id) instance.block_device_mappings.select { |bdm| bdm.ebs.volume_id == volume_id }[0] end
block_devices_of(instance)
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# File lib/terraforming/resource/ec2.rb, line 74 def block_devices_of(instance) return [] if instance.block_device_mappings.empty? @client.describe_volumes(volume_ids: block_device_ids_of(instance)).map(&:volumes).flatten end
ebs_block_devices_in(block_devices, instance)
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# File lib/terraforming/resource/ec2.rb, line 83 def ebs_block_devices_in(block_devices, instance) block_devices.reject do |bd| root_block_device?(block_device_mapping_of(instance, bd.volume_id), instance) end end
in_vpc?(instance)
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NOTE(dtan4):
Original logic is here: https://github.com/hashicorp/terraform/blob/281e4d3e67f66daab9cdb1f7c8b6f602d949e5ee/builtin/providers/aws/resource_aws_instance.go#L481-L501
# File lib/terraforming/resource/ec2.rb, line 94 def in_vpc?(instance) !vpc_security_groups_of(instance).empty? || (instance.subnet_id && instance.subnet_id != "" && instance.security_groups.empty?) end
instances()
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# File lib/terraforming/resource/ec2.rb, line 107 def instances @client.describe_instances.map(&:reservations).flatten.map(&:instances).flatten.reject do |instance| instance.state.name == "terminated" end end
module_name_of(instance)
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# File lib/terraforming/resource/ec2.rb, line 113 def module_name_of(instance) normalize_module_name(name_from_tag(instance, instance.instance_id)) end
monitoring_state(instance)
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# File lib/terraforming/resource/ec2.rb, line 103 def monitoring_state(instance) %w(enabled pending).include?(instance.monitoring.state) end
root_block_device?(block_device_mapping, instance)
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# File lib/terraforming/resource/ec2.rb, line 117 def root_block_device?(block_device_mapping, instance) block_device_mapping.device_name == instance.root_device_name end
root_block_devices_in(block_devices, instance)
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# File lib/terraforming/resource/ec2.rb, line 121 def root_block_devices_in(block_devices, instance) block_devices.select { |bd| root_block_device?(block_device_mapping_of(instance, bd.volume_id), instance) } end
vpc_security_groups_of(instance)
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# File lib/terraforming/resource/ec2.rb, line 125 def vpc_security_groups_of(instance) instance.security_groups.select { |security_group| /\Asg-/ =~ security_group.group_id } end