You can use the Amazon ECR Credentials Variables task to provide temporary Amazon EC2 Container Registry (Amazon ECR) authentication credentials for other tools by injecting them into AWS unaware tasks like the Bamboo Docker task. This improves versatility for using tools that are not directly integrated with Identity Federation for AWS, but accept AWS credentials via the command line, environment variables or the Bamboo task interface.

Amazon ECR Credentials Variables task and Tasks for AWS

The Amazon ECR Credentials Variables task complements the dedicated AWS build and deployment tasks offered by Tasks for AWS by providing temporary Amazon EC2 Container Registry (Amazon ECR) authentication credentials as Bamboo variables for tools that are not directly integrated with Identity Federation for AWS, but accept Amazon ECR authentication credentials via the command line, environment variables or the Bamboo task configuration interface, for example the Bamboo Docker task.

Usage of the Amazon ECR Credentials Variables task is free for Tasks for AWS licensees, see the Licensing & Purchasing FAQ for details.

On this page:

Related Pages:

Identity Federation for AWS
- Administrator's Guide
Tasks for AWS
- AWS Security Credentials
- Using Tasks for AWS
Atlassian Bamboo
- Configuring the Bamboo Docker task
- Configuring the Bamboo Inject Variables task

Configuration

Use Amazon ECR Credentials with Bamboo Docker task

The most frequent use case for the Amazon ECR Credentials Variables task is to enable the built-in Bamboo Docker task to push images to an Amazon ECR repository - refer to How to push a Docker image to a repository in your Amazon ECR registry with the Bamboo Docker task for details.

To configure an Amazon ECR Credentials Variables task:

Navigate to the Tasks configuration tab for the job (this will be the default job if creating a new plan).
Click the name of an existing Amazon ECR Credentials Variables task, or click Add Task and then Amazon ECR Credentials Variables to create a new task.

Complete the following settings:

Task Description	(Optional) Identify the purpose of the task.
Disable this task	Check, or clear, to selectively run this task.
Region	Select the desired AWS Region. Alternatively, select [Use region variable ...] to supply the region dynamically via Bamboo variables (needs to be a region code such as `ap-southeast-2`) - refer to How to parametrize the AWS region via a Bamboo variable for details.
Registry ID	(Optional) Select the AWS account ID that is associated with the registry for which to get authorization credentials If you do not specify a registry, the default registry is assumed.
Source	Select the AWS Credentials Source (see below). Can be either Identity Federation for AWS or an IAM Role for EC2.
Connector	(Conditional) Select the shared Identity Federation for AWS Connector. Alternatively, select [Use connector variable ...] to supply the connector dynamically via Bamboo variables (needs to be a connector id such as `f24e81bc-7aff-42db-86a2-7cf82e24d871`) - refer to How to parametrize the AWS connector via a Bamboo variable for details.
Role ARN	(Conditional \| Optional) Specify the ARN of another role that the agent's IAM role for EC2 should assume.

AWS Credentials Sources

Managed IAM Policy

We recommend to facilitate an available AWS Managed Policy to ease permission maintenance - the Amazon ECR Credentials Variables task requires the permissions in the AmazonEC2ContainerRegistryPowerUser managed policy, which at the time of this writing looks as follows:

{
	"Version": "2012-10-17",
	"Statement": [{
		"Effect": "Allow",
		"Action": [
			"ecr:GetAuthorizationToken",
			"ecr:BatchCheckLayerAvailability",
			"ecr:GetDownloadUrlForLayer",
			"ecr:GetRepositoryPolicy",
			"ecr:DescribeRepositories",
			"ecr:ListImages",
			"ecr:BatchGetImage",
			"ecr:InitiateLayerUpload",
			"ecr:UploadLayerPart",
			"ecr:CompleteLayerUpload",
			"ecr:PutImage"
		],
		"Resource": "*"
	}]
}

You have the following options to provide AWS Security Credentials:

Identity Federation for AWS

Federated Amazon Web Services access

This is the recommended approach to share and manage AWS credentials:

It provides benefits like easy credentials sharing and reuse, fine grained access control for AWS resources, strong encryption and more.

Refer to the Administrator's Guide for details on how to configure the connectors.

this option requires at least one AWS Connector to be configured with System Scope to allow usage from Bamboo builds, where no user session is available
a connector yields a set of temporary credentials on task execution (optionally limiting the IAM permissions)
you can configure multiple connectors to provide credentials with different IAM permissions tailored for specific use cases

IAM Role for EC2 (Agent)

You can use IAM Roles for Amazon EC2 to optionally skip credentials configuration all together: if an agent happens to run on an EC2 instance started with an instance profile (IAM role), the tasks can be configured to facilitate those credentials. Of course, the underlying IAM role needs to have a sufficient policy attached to grant the the required permissions for the task at hand.

This feature requires the Amazon EC2 instance running the agent to be started with an EC2 instance profile. There are three different scenarios:

local agents - requires the hosting Bamboo server itself to run on EC2
remote/elastic agents - requires the remote agent to run on EC2
elastic agents - requires the elastic agent to run on EC2
- As of release 2.4, you can optionally specify the ARN of another role that the agent's IAM role for EC2 should assume via the EC2 instance profile credentials - this enables various scenarios, notably switching to roles across your own AWS accounts and third-party.AWS accounts (cross-account IAM roles).
- Elastic Bamboo only supports configuring elastic images with an instance profile as of Bamboo 5.6.

Usage

Bamboo variables

This task generates the following Bamboo variables for reuse in subsequent tasks without native integration with Identity Federation for AWS:

Bamboo variables

${bamboo.custom.aws.ecr.authorizationToken.password}
${bamboo.custom.aws.ecr.expirationDate}
${bamboo.custom.aws.ecr.proxyEndpoint}
${bamboo.custom.aws.ecr.proxyEndpointDomain}
${bamboo.custom.aws.ecr.username}
${bamboo.custom.aws.ecr.password}

 The '*.password' suffix ensures that sensitive variables are masked with asterisks ('*******') in the Bamboo build log.

An alternative representation as a JSON object for automated processing with tools like jq is available too:

Bamboo variables (alternative representations)

${bamboo.custom.aws.ecr.credentials.json.password}

Environment variables

Aforementioned variables will also be available as environment variables for use in Bamboo Script tasks. The syntax differs between shells, as illustrated in these examples for assigning them to the standardized variables used by tools like the AWS Command Line Interface (AWS CLI):

Bash (Unix shell)

export AUTHORIZATION_TOKEN=$bamboo_custom_aws_ecr_authorizationToken_password
export EXPIRATION_DATE=$bamboo_custom_aws_ecr_expirationDate
export PROXY_ENDPOINT=$bamboo_custom_aws_ecr_proxyEndpoint
export PROXY_ENDPOINT_DOMAIN=$bamboo_custom_aws_ecr_proxyEndpointDomain
export USERNAME=$bamboo_custom_aws_ecr_username
export PASSWORD=$bamboo_custom_aws_ecr_password

PowerShell

$AUTHORIZATION_TOKEN = $bamboo_custom_aws_ecr_authorizationToken_password
$EXPIRATION_DATE = $bamboo_custom_aws_ecr_expirationDate
$PROXY_ENDPOINT = $bamboo_custom_aws_ecr_proxyEndpoint
$PROXY_ENDPOINT_DOMAIN = $bamboo_custom_aws_ecr_proxyEndpointDomain
$USERNAME = $bamboo_custom_aws_ecr_username
$PASSWORD = $bamboo_custom_aws_ecr_password

Windows Command Prompt (cmd)

set AUTHORIZATION_TOKEN=%bamboo_custom_aws_ecr_authorizationToken_password%
set EXPIRATION_DATE=%bamboo_custom_aws_ecr_expirationDate%
set PROXY_ENDPOINT=%bamboo_custom_aws_ecr_proxyEndpoint%
set PROXY_ENDPOINT_DOMAIN=%bamboo_custom_aws_ecr_proxyEndpointDomain%
set USERNAME=%bamboo_custom_aws_ecr_username%
set PASSWORD=%bamboo_custom_aws_ecr_password%

How-to Articles

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