mirror of
https://github.com/fog/fog-aws.git
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176 lines
8.8 KiB
Ruby
176 lines
8.8 KiB
Ruby
module Fog
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module Compute
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class AWS
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class Real
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require 'fog/aws/parsers/compute/spot_instance_requests'
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# Launch specified instances
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#
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# ==== Parameters
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# * 'image_id'<~String> - Id of machine image to load on instances
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# * 'instance_type'<~String> - Type of instance
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# * 'spot_price'<~Float> - maximum hourly price for instances launched
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# * options<~Hash>:
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# * 'AvailabilityZoneGroup'<~String> - specify whether or not to launch all instances in the same availability group
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# * 'InstanceCount'<~Integer> - maximum number of instances to launch
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# * 'LaunchGroup'<~String> - whether or not to launch/shutdown instances as a group
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# * 'LaunchSpecification.BlockDeviceMapping'<~Array>: array of hashes
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# * 'DeviceName'<~String> - where the volume will be exposed to instance
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# * 'VirtualName'<~String> - volume virtual device name
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# * 'Ebs.SnapshotId'<~String> - id of snapshot to boot volume from
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# * 'Ebs.NoDevice'<~String> - specifies that no device should be mapped
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# * 'Ebs.VolumeSize'<~String> - size of volume in GiBs required unless snapshot is specified
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# * 'Ebs.DeleteOnTermination'<~String> - specifies whether or not to delete the volume on instance termination
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# * 'LaunchSpecification.KeyName'<~String> - Name of a keypair to add to booting instances
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# * 'LaunchSpecification.Monitoring.Enabled'<~Boolean> - Enables monitoring, defaults to disabled
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# * 'LaunchSpecification.SubnetId'<~String> - VPC subnet ID in which to launch the instance
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# * 'LaunchSpecification.Placement.AvailabilityZone'<~String> - Placement constraint for instances
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# * 'LaunchSpecification.SecurityGroup'<~Array> or <~String> - Name of security group(s) for instances, not supported in VPC
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# * 'LaunchSpecification.SecurityGroupId'<~Array> or <~String> - Id of security group(s) for instances, use this or LaunchSpecification.SecurityGroup
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# * 'LaunchSpecification.UserData'<~String> - Additional data to provide to booting instances
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# * 'LaunchSpecification.EbsOptimized'<~Boolean> - Whether the instance is optimized for EBS I/O
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# * 'Type'<~String> - spot instance request type in ['one-time', 'persistent']
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# * 'ValidFrom'<~Time> - start date for request
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# * 'ValidUntil'<~Time> - end date for request
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#
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# ==== Returns
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# * response<~Excon::Response>:
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# * body<~Hash>:
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# * 'requestId'<~String> - Id of request
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# * 'spotInstanceRequestSet'<~Array>:
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# * 'createTime'<~Time> - time of instance request creation
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# * 'instanceId'<~String> - instance id if one has been launched to fulfill request
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# * 'launchedAvailabilityZone'<~String> - availability zone of instance if one has been launched to fulfill request
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# * 'launchSpecification'<~Hash>:
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# * 'blockDeviceMapping'<~Hash> - list of block device mappings for instance
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# * 'groupSet'<~String> - security group(s) for instance
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# * 'keyName'<~String> - keypair name for instance
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# * 'imageId'<~String> - AMI for instance
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# * 'instanceType'<~String> - type for instance
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# * 'monitoring'<~Boolean> - monitoring status for instance
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# * 'subnetId'<~String> - VPC subnet ID for instance
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# * 'productDescription'<~String> - general description of AMI
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# * 'spotInstanceRequestId'<~String> - id of spot instance request
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# * 'spotPrice'<~Float> - maximum price for instances to be launched
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# * 'state'<~String> - spot instance request state
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# * 'type'<~String> - spot instance request type
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#
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# {Amazon API Reference}[http://docs.amazonwebservices.com/AWSEC2/latest/APIReference/ApiReference-query-RequestSpotInstances.html]
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def request_spot_instances(image_id, instance_type, spot_price, options = {})
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if block_device_mapping = options.delete('LaunchSpecification.BlockDeviceMapping')
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block_device_mapping.each_with_index do |mapping, index|
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for key, value in mapping
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options.merge!({ format("LaunchSpecification.BlockDeviceMapping.%d.#{key}", index) => value })
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end
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end
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end
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if security_groups = options.delete('LaunchSpecification.SecurityGroup')
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options.merge!(Fog::AWS.indexed_param('LaunchSpecification.SecurityGroup', [*security_groups]))
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end
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if security_group_ids = options.delete('LaunchSpecification.SecurityGroupId')
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options.merge!(Fog::AWS.indexed_param('LaunchSpecification.SecurityGroupId', [*security_group_ids]))
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end
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if options['LaunchSpecification.UserData']
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options['LaunchSpecification.UserData'] = Base64.encode64(options['LaunchSpecification.UserData'])
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end
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if options['ValidFrom'] && options['ValidFrom'].is_a?(Time)
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options['ValidFrom'] = options['ValidFrom'].iso8601
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end
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if options['ValidUntil'] && options['ValidUntil'].is_a?(Time)
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options['ValidUntil'] = options['ValidUntil'].iso8601
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end
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request({
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'Action' => 'RequestSpotInstances',
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'LaunchSpecification.ImageId' => image_id,
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'LaunchSpecification.InstanceType' => instance_type,
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'SpotPrice' => spot_price,
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:parser => Fog::Parsers::Compute::AWS::SpotInstanceRequests.new
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}.merge!(options))
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end
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end
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class Mock
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def request_spot_instances(image_id, instance_type, spot_price, options = {})
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response = Excon::Response.new
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if (image_id && instance_type && spot_price)
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response.status = 200
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all_instance_types = flavors.map { |f| f.id }
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if !all_instance_types.include?(instance_type)
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message = "InvalidParameterValue => Invalid value '#{instance_type}' for InstanceType."
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raise Fog::Compute::AWS::Error.new(message)
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end
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spot_price = spot_price.to_f
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if !(spot_price > 0)
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message = "InvalidParameterValue => Value (#{spot_price}) for parameter price is invalid."
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message << " \"#{spot_price}\" is an invalid spot instance price"
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raise Fog::Compute::AWS::Error.new(message)
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end
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if !image_id.match(/^ami-[a-f0-9]{8}$/)
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message = "The image id '[#{image_id}]' does not exist"
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raise Fog::Compute::AWS::NotFound.new(message)
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end
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else
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message = 'MissingParameter => '
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message << 'The request must contain the parameter '
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if !image_id
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message << 'image_id'
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elsif !instance_type
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message << 'instance_type'
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else
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message << 'spot_price'
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end
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raise Fog::Compute::AWS::Error.new(message)
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end
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for key in %w(AvailabilityZoneGroup LaunchGroup)
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if options.is_a?(Hash) && options.key?(key)
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Fog::Logger.warning("#{key} filters are not yet mocked [light_black](#{caller.first})[/]")
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Fog::Mock.not_implemented
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end
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end
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launch_spec = {
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'iamInstanceProfile' => {},
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'blockDeviceMapping' => [],
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'groupSet' => [Fog::AWS::Mock.security_group_id],
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'imageId' => image_id,
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'instanceType' => instance_type,
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'monitoring' => options['MonitoringEnabled'] || false,
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'subnetId' => nil,
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'ebsOptimized' => false,
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'keyName' => options['KeyName'] || nil
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}
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response.body = {
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'spotInstanceRequestSet' => [
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{
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'launchSpecification' => launch_spec,
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'spotInstanceRequestId' => Fog::AWS::Mock.spot_instance_request_id,
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'spotPrice' => spot_price,
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'type' => options['Type'] || 'one-time',
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'state' => 'open',
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'fault' => {
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'code' => 'pending-evaluation',
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'message' => 'Your Spot request has been submitted for review, and is pending evaluation.'
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},
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'createTime' => Time.now,
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'productDescription' => 'Linux/UNIX'
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}
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],
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'requestId' => Fog::AWS::Mock.request_id
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}
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response
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end
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end
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end
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end
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end
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