Class: RenderCFN::LaunchConfiguration

Inherits:
AwsObject
  • Object
show all
Defined in:
lib/renderCFN/launchConfiguration.rb

Instance Method Summary collapse

Methods inherited from AwsObject

#get, #name

Constructor Details

#initialize(arguments) ⇒ LaunchConfiguration

Returns a new instance of LaunchConfiguration.



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# File 'lib/renderCFN/launchConfiguration.rb', line 7

def initialize( arguments)
  @serviceName = arguments[:serviceName]
  @serviceTitle = arguments[:serviceTitle]
  @name = "#{arguments[:name]}LaunchConfiguration"
  @startServices = arguments[:startServices]
  @deployments = arguments[:deployments]
  @pmData = arguments[:pmData]
  @hostname = arguments[:hostname]
  @cfnEBSVolume = arguments[:cfnEBSVolume]
  @userDataOnBeforeStart = arguments[:userDataOnBeforeStart] || ''
  @userDataOnAfterEnd = arguments[:userDataOnAfterEnd] || ''
  @awsObject = { 
    @name => {
      'Type' => 'AWS::AutoScaling::LaunchConfiguration',
      'Properties' => {
        'ImageId' => arguments[:ami],
        'InstanceType' => arguments[:instanceType],
        'KeyName' => arguments[:keyName],
        'InstanceMonitoring' => false,
        'BlockDeviceMappings' => [],
        'SecurityGroups' => [
          #{'Ref' => 'AdminSecurityGroup'},
          #{'Ref' => 'AppServerSecurityGroup'}
        ]
      },
      'DependsOn' => []
    }
  }

  if arguments[:publicIP]
    @awsObject[@name]['Properties']['AssociatePublicIpAddress'] = true
  end

end

Instance Method Details

#addBlockDevice(deviceName, volumeSize, volumeType, iops = false, snapShotID = false) ⇒ Object 



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# File 'lib/renderCFN/launchConfiguration.rb', line 46

def addBlockDevice( deviceName, volumeSize, volumeType, iops = false, snapShotID = false)
  ebs = Hash.new
  ebs['DeleteOnTermination'] = true
  ebs['Encrypted'] = false
  ebs['VolumeSize'] = volumeSize.to_s
  ebs['VolumeType'] = volumeType
  
  if iops
    ebs['Iops'] = iops
  end

  if snapShotID
    ebs['SnapshotId'] = snapShotID
  end

  blockDevice = Hash.new
  blockDevice['DeviceName'] = deviceName
  blockDevice['Ebs'] = ebs

  @awsObject[@name]['Properties']['BlockDeviceMappings'].push( blockDevice)
end

#addInstanceProfile(name) ⇒ Object 



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# File 'lib/renderCFN/launchConfiguration.rb', line 68

def addInstanceProfile( name)
  @awsObject[@name]['Properties']['IamInstanceProfile'] = { 'Ref' => name }
  @awsObject[@name]['DependsOn'].push( name)
end

#addSecGroup(name) ⇒ Object 



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# File 'lib/renderCFN/launchConfiguration.rb', line 42

def addSecGroup( name)
  @awsObject[@name]['Properties']['SecurityGroups'].push( name)
end

#userData(file, common) ⇒ Object 



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# File 'lib/renderCFN/launchConfiguration.rb', line 73

def userData( file, common)
  
  erbUserData = String.new

  if File.exist?( "#{common}/UserData-start")
    erbUserData = File.read( "#{common}/UserData-start")
  end

  if File.exist?( file)
    erbUserData += File.read( file)
  end

  if File.exist?( "#{common}/UserData-end")
    erbUserData += File.read( "#{common}/UserData-end")
  end

  userData = ERB.new( erbUserData)
  @awsObject[@name]['Properties']['UserData'] = Base64.encode64(userData.result(binding))
end