Customers often ask how they can streamline the management and maintenance of their Amazon AppStream 2.0 images and fleets. The AppStream 2.0 service includes a rich set of APIs that allow you to programmatically interact with the service. In addition, the Image Assistant utility within the image builder instances supports command line interface (CLI) operations for adding applications to the fleet and creating images. What we commonly see is customers struggle with linking the two together; interacting with the service external to the image builder and running commands programmatically within the Microsoft Windows guest operating system within.
This repository contains the supporting scripts for the AWS Desktop and Application Streaming blog article Automatically create customized AppStream 2.0 Windows images. Please refer to the blog article for guidance on deploying the solution.
Once you have successfully deployed the solution and ran the sample automation pipeline, you should customize the applications installed into the image and the parameters of the workflow to meet your needs.
For any parameters not specified in the Step Function execution JSON, a default value will be used. These default values can be viewed and/or modified on the Lambda function that creates the image builder.
- Navigate to the AWS Lambda console and select Functions.
- Click on the AS2_Automation_Windows_FN01_Create_Builder_######## function.
- Select the Configuration tab.
- Select Environment variables.
- To change a default value, click Edit, modify the value, and click Save.
Default values were entered when the automation was deployed from CloudFormation. These values are used as inputs into the Step Function running the automation and the below parameters can be passed into the Step Function to override them. Options include:
- ImageBuilderName: The name to use when creating the image builder instance.
- ImageBuilderDisplayName: The display name for the new image builder.
- ImageBuilderType: The instance type/class to use. See the AppStream 2.0 pricing page for a list of instance types available.
- ImageBuilderDescription: The description associated with the image metadata.
- ImageOutputPrefix: The name of the image created from the automation; a timestamp is automatically appended to the end.
- DeleteBuilder: true or false, option to retain or delete the image builder once the automation is complete. (Default is false)
- ImageBuilderImage: Name of the base image to use when creating the image builder.
- ImageBuilderSubnet: Subnet ID to place the image builder instance in.
- ImageBuilderSecurityGroup: Security Group ID to assign to the image builder instance.
- ImageBuilderIAMRole: IAM Role ARN to assign to the image builder instance.
- ImageBuilderDomain: The Active Directory domain to join the image builder instance to. Must be configured in the AppStream console.
- ImageBuilderOU: The OU to place the image builder instance inside of, in distinguished name format. Must be configured in the AppStream console.
- ImageBuilderInternetAccess: true or false, choice to provide default internet access to the image builder instance. You must specify a public subnet for ImageBuilderSubnet if using default internet access.
- ImageBuilderExtraCommands: An array of PowerShell commands that will be executed on the image builder.
- ImageTags: The tags to apply to the generated AppStream 2.0 image. This should be entered as a list of key-value pairs seperated by spaces: tag1 value1 tag2 value2
- UseLatestAgent: true or false, specify whether to pin the image to the version of the AppStream 2.0 agent that is currently installed, or to always use the latest agent version.
- NotifyARN: ARN of the SNS topic that completion email will be sent to.
- PackageS3Bucket: the bucket name where the application silent installation packages were uploaded. If you override the default deployed by the CloudFormation template, you must update the image builders IAM policy to allow access to this bucket. (AS2_Automation_Windows_ImageBulder_Role_#######)
An example JSON statement used to start an execution of the automation Step Function can be found below. In this example, several of the above parameters are entered to control the behavior of the automation. The resulting image will be named "AS2_Automation_Windows_Example_TIMESTAMP", uses a stream.standard.large instance size, and will ensure the latest version of the AppStream agent is installed. It also tags the image, places the image builder into the Image_Builders OU in the Active Direcotry domain yourdomain.int, and runs two PowerShell commands to set two registry key values.
{
"ImageBuilderName": "AS2_Automation_Windows_Example",
"ImageBuilderType": "stream.standard.large",
"ImageOutputPrefix": "AS2_Automation_Windows_Example",
"ImageBuilderDomain": "yourdomain.int,
"ImageBuilderOU": "OU=Image_Builders,OU=AppStream,DC=yourdomain,DC=int",
"UseLatestAgent": true,
"ImageTags": "'tag1' 'value1' 'tag2' 'value2'",
"DeleteBuilder": true,
"ImageBuilderExtraCommands": [
"New-Item -Path 'HKLM:/Software/AS2-Automation-Pipeline' -Force;New-ItemProperty -Path 'HKLM:/Software/AS2-Automation-Pipeline' -Name 'TestValue' -Value 'Success' -PropertyType String -Force",
"New-ItemProperty -Path 'HKLM:/Software/AS2-Automation-Pipeline' -Name 'TestValue2' -Value 'Success' -PropertyType String -Force"
]
}
While the sample applications included as part of this article are useful in demonstrating the workflow, you should now update the packages and scripts to reflect the applications required in your image(s).
- Use the existing packages provided with the workshop as a template when creating or modifying your own install routines. In particular, your install routines need to ensure that they are adding the application to the AppStream Image Assistant catalog. Please refer to the CLI documentation for additional details about programmatically adding applications to the catalog.
Below is the relevant section of PowerShell code in the sample install scripts that you can use when creating your own application install packages:
##*===============================================
##* APPSTREAM VARIABLE DECLARATION
##*===============================================
[string]$AppName = 'Notepad++'
[string]$AppPath = 'C:\Program Files\Notepad++\notepad++.exe'
[string]$AppDisplayName = 'Notepad++'
[string]$AppParameters = ''
[string]$AppWorkingDir = ''
[string]$AppIconPath = ''
[string]$ManifestPath = $PSScriptRoot + '\NotepadPPManifest.txt'
[string]$ImageAssistantPath = "C:\Program Files\Amazon\Photon\ConsoleImageBuilder\image-assistant.exe"
##*===============================================
##* ADD APPLICATION TO APPSTREAM CATALOG
##*===============================================
#AppStream's Image Assistant Required Parameters
$Params = " --name " + $AppName + " --absolute-app-path """ + $AppPath + """"
#AppStream's Image Assistant Optional Parameters
if ($AppDisplayName) { $Params += " --display-name """ + $AppDisplayName + """" }
if ($AppWorkingDir) { $Params += " --working-directory """ + $AppWorkingDir + """" }
if ($AppIconPath) { $Params += " --absolute-icon-path """ + $AppIconPath + """" }
if ($AppParameters) { $Params += " --launch-parameters """ + $AppParameters + """" }
if ($ManifestPath) { $Params += " --absolute-manifest-path """ + $ManifestPath + """" }
#Escape spaces in EXE path
$ImageAssistantPath = $ImageAssistantPath -replace ' ','` '
#Assemble Image Assistant API command to add applications
$AddAppCMD = $ImageAssistantPath + ' add-application' + $Params
Write-Host "Adding $AppDisplayName to AppStream Image Catalog using command $AddAppCMD"
#Run Image Assistant command and parameters
$AddApp = Invoke-Expression $AddAppCMD | ConvertFrom-Json
if ($AddApp.status -eq 0) {
Write-Host "SUCCESS adding $AppName to the AppStream catalog."
} else {
Write-Host "ERROR adding $AppName to the AppStream catalog."
Write-Host $AddApp.message
- Once you have created your own application install packages, upload them to the Amazon S3 bucket created by the CloudFormation template.
- Navigate to the AWS Lambda console and select Functions.
- Choose the AS2_Automation_Windows_FN02_Scripted_Install_######## function.
- In the Code source section, scroll down to the line 77 in the default script. The line of hash marks outlines the beginning and end of each application install section.
- Modify or replace the sections for the sample applications referencing your own packages in Amazon S3 or downloaded off the web.
- Once complete, click Deploy to make the updated code active for the next execution of the Lambda function.
In 2021, Amazon AppStream 2.0 introduced support for Amazon Linux 2 based images and fleets. This brought the same ability to securely stream Linux applications and desktops to users that had been available for Windows based workloads.
This repository contains the supporting scripts for the AWS Desktop and Application Streaming blog article Automatically create customized AppStream 2.0 Linux images. Please refer to the blog article for guidance on deploying the solution.
Once you have successfully deployed the solution and ran the sample automation pipeline, you should customize the applications installed into the image and the parameters of the workflow to meet your needs.
For any parameters not specified in the Step Function execution JSON, a default value will be used. These default values can be viewed and/or modified on the Lambda function that creates the image builder.
- Navigate to the AWS Lambda console and select Functions.
- Click on the AS2_Automation_Linux_FN01_Create_Builder_######## function.
- Select the Configuration tab.
- Select Environment variables.
- To change a default value, click Edit, modify the value, and click Save.
Default values were entered when the automation was deployed from CloudFormation. These values are used as inputs into the Step Function running the automation and the below parameters can be passed into the Step Function to override them. Options include:
- ImageBuilderName: The name to use when creating the image builder instances.
- ImageBuilderDisplayName: The display name for the new image builder.
- ImageBuilderDescription: The description associated with the image metadata.
- ImageBuilderType: The instance type/class to use. See the AppStream 2.0 pricing page for a list of instance types available.
- ImageOutputPrefix: The name of the image created from the automation; a timestamp is automatically appended to the end.
- DeleteBuilder: true or false, option to retain or delete the image builder once the automation is complete. (Default is false)
- ImageBuilderImage: Name of the base image to use when creating the image builder. If you are using an image that is different than the one setup with the CloudFormation deployment, you must update the existing Systems Manager parameter with the new SSH key data, or create a new parameter to store the new key. You must also then update the AS2_Automation_Linux_Lambda_Policy_####### IAM policy to grant the Lambda functions permissions to this additional Systems Manager parameter.
- ImageBuilderSubnet: Subnet ID to place the image builder instance in.
- ImageBuilderSecurityGroup: Security Group ID to assign to the image builder instance.
- ImageBuilderIAMRole: IAM Role ARN to assign to the image builder instance.
- ImageBuilderInternetAccess: true or false, choice to provide default internet access to the image builder instance. You must specify a public subnet for ImageBuilderSubnet if using default internet access.
- ImageTags: The tags to apply to the generated AppStream 2.0 image. This should be entered as a list of key-value pairs seperated by spaces: tag1 value1 tag2 value2
- UseLatestAgent: true or false, specify whether to pin the image to the version of the AppStream 2.0 agent that is currently installed, or to always use the latest agent version.
- NotifyARN: ARN of the SNS topic that completion email will be sent to.
- ImageBuilderSSHKeyARN or ImageBuilderSSHKeyName: ARN or name of the AWS Systems Manager parameter containing the SSH key embedded in the image builder base image used in the automation. If you use an SSH key and image that are different than the defaults setup in the CloudFormation deployment, you must also update the AS2_Automation_Linux_Lambda_Policy_####### IAM policy to grant the Lambda functions permissions to this additional Systems Manager parameter.
- ImageBuilderCommands: Array of commands to run on the image builder during the image creation automation. This should include the commands to install the application as well as to add the application to the application catalog.
- CreateManifests: true or false, option to dynamically generate the application manifest files to optimize the launch performance. If this is set to true, and you do not include a manually created manifest in the image assistant command, the automation will attempt to generate one for you. (Default is true)
- DeleteTempManifests: true or false, specify whether to delete the dynamically generated manifest files from the /tmp directory prior to capturing the image. (Default is false)
- RemoveXvfb: true or false, in order to dynamically generate the app optimization manifests, the automation installs Xvfb to allow GUI applications to launch without a user session on the image builder. If you like Xvfb to remain in your image, set this to false. (Default is true)
An example JSON statement used to start an execution of the automation Step Function can be found below. In this example, several of the above parameters are entered to control the behavior of the automation. The image will be named "AS2_Automation_Linux_Example_TIMESTAMP", uses a stream.standard.large instance size, will ensure the latest version of the AppStream agent is installed, tags the image, and runs commands to ensure installed packages are up-to-date and that Gimp and PuTTY are installed. It will then attempt to create the optimization manifests for each app, will not remove the manifest file from /tmp afterwards (for admin review), and then adds each app to the AppStream application catalog.
{
"ImageBuilderName": "AS2_Automation_Linux_Example",
"ImageBuilderType": "stream.standard.large",
"ImageOutputPrefix": "AS2_Automation_Linux_Example",
"UseLatestAgent": true,
"ImageBuilderCommands": ["sudo yum -y update", "sudo amazon-linux-extras install gimp", "sudo AppStreamImageAssistant add-application --name Gimp --absolute-app-path /usr/bin/gimp --display-name Gimp","sudo yum -y install putty","sudo AppStreamImageAssistant add-application --name PuTTY --absolute-app-path /usr/bin/putty --display-name PuTTY"],
"CreateManifests": true,
"DeleteTempManifests": false,
"ImageTags": "'tag1' 'value1' 'tag2' 'value2'",
"DeleteBuilder": true
}
See CONTRIBUTING for more information.
This library is licensed under the MIT-0 License. See the LICENSE file.
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