Create Launch Configuration from Instance

This page is accessed via the Actions (...) menu on the Manage Instances or Instance Detail page, and is pre-populated with values based on the selected instance that are not editable. A launch configuration is used to define the parameters for the new instances that are launched as part of your auto scaling group.

Name Your Launch Configuration

This panel allows you to enter a name for your new launch configuration. It also displays the platform, type, and keypair/security group for your launch instance; these values are derived from the instance you had selected in the Manage instances landing page and cannot be changed.

  1. Type the name of your new launch configuration into the Name text box.
  2. Specify custom user data by typing it into the User data text box or by attaching a file by clicking the Choose file button.
  3. Click Next to proceed to the security options.

Specify Security Options

This panel allows you to specify network and security options for your new launch configuration.

  1. If using this launch configuration with a scaling group using a VPC network, select how the VPC IP assignment is to be applied by selecting an option from the drop-down list box.
  2. The security group is automatically chosen based on the instance from which you created this launch configuration. You may view the rules for the specified security group by clicking the + Rules control to expand it.
  3. You can optionally specify an IAM role using the Role drop-down list box.
    Note: If you select a role, make sure that the correct permissions are defined for that role so that the appropriate level of access is applied to your launch configuration.
  4. The Create scaling group using this launch configuration checkbox is checked by default, allowing you to create a new auto scaling group based on this launch configuration. When this is selected, the New Scaling Group dialog will display after you've clicked the Create Launch Configuration button, with the Launch configuration field pre-populated with the name of your new launch configuration.
  5. You can optionally specify advanced options by clicking the Select advanced options link and refer to the next section for further details. Otherwise, click Create Launch Configuration to begin creating the launch configuration.

Specify Advanced Options

This panel allows you to optionally specify advanced options for the new launch configuration. You can override the kernel and RAM disk IDs, enable monitoring, and adding additional storage, if applicable.

  1. You can override the kernel ID in the selected image with the Kernel ID drop-down list box.
  2. You can override the RAM disk ID in the selected image with the RAM disk ID (RAMFS) drop-down list box.
  3. Click the Enable monitoring check box to specify that detailed CloudWatch metric gathering should be enabled for your new launch configuration(s).
  4. For EBS-backed instances, you can configure the root volume or additional storage for your instance in the Storage section:
    1. Change the size of the root volume by entering the size of the attached storage in gigabytes into the Size (GB) text box.
    2. Select the Delete on terminate check box if you want the attached storage deleted when the instance is terminated.
    3. You can configure additional storage for your instance by selecting a volume type from the Volume drop-down list box.
    4. Type the desired mapping for the storage into the Mapping text box (for example: /dev/sdb).
    5. If you want to create the storage from an existing snapshot, specify it in the Create from snapshot drop-down list box.
    6. Type the size of the attached storage in gigabytes into the Size (GB) text box.
    7. Select the Delete on terminate check box if you would like the attached storage to be deleted when the instance is terminated.
    8. Click the Add Device button to add this storage.
      Added storage displays as a row in the table under the Storage area.
    9. You can delete existing storage by clicking the minus button on the right side of the storage list item.
  5. Click the Create Launch Configuration button or click Cancel to abandon your changes.
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