Amazon CloudFormation examples using Amazon CLI

To activate a type

The following activate-type example activates a public third-party extension, making it available for use in stack templates.

aws cloudformation activate-type \
    --region us-west-2 \
    --type RESOURCE \
    --type-name Example::Test::1234567890abcdef0 \
    --type-name-alias Example::Test::Alias

Output:

{
    "Arn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/Example-Test-Alias"
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To batch describe a type configuration

The following batch-describe-type-configurations example configures the data for the type.

aws cloudformation batch-describe-type-configurations \
    --region us-west-2 \
    --type-configuration-identifiers TypeArn="arn:aws:cloudformation:us-west-2:123456789012:type/resource/Example-Test-Type,TypeConfigurationAlias=MyConfiguration"

Output:

{
    "Errors": [],
    "UnprocessedTypeConfigurations": [],
    "TypeConfigurations": [
        {
            "Arn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/Example-Test-Type",
            "Alias": "MyConfiguration",
            "Configuration": "{\n        \"Example\": {\n            \"ApiKey\": \"examplekey\",\n            \"ApplicationKey\": \"examplekey1\",\n            \"ApiURL\": \"exampleurl\"\n            }\n}",
            "LastUpdated": "2021-10-01T15:25:46.210000+00:00",
            "TypeArn": "arn:aws:cloudformation:us-east-1:123456789012:type/resource/Example-Test-Type"
        }
    ]
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To cancel a stack update that is in progress

The following cancel-update-stack command cancels a stack update on the myteststack stack:

aws cloudformation cancel-update-stack --stack-name myteststack

To retry an update rollback

The following continue-update-rollback example resumes a rollback operation from a previously failed stack update.

aws cloudformation continue-update-rollback \
    --stack-name my-stack

This command produces no output.

To create a change set

The following create-change-set example creates a change set with the CAPABILITY_IAM capability. The file template.yaml is an Amazon CloudFormation template in the current folder that defines a stack that includes IAM resources.

aws cloudformation create-change-set \
    --stack-name my-application \
    --change-set-name my-change-set \
    --template-body file://template.yaml \
    --capabilities CAPABILITY_IAM

Output:

{
    "Id": "arn:aws:cloudformation:us-west-2:123456789012:changeSet/my-change-set/bc9555ba-a949-xmpl-bfb8-f41d04ec5784",
    "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-application/d0a825a0-e4cd-xmpl-b9fb-061c69e99204"
}

To create stack instances

The following create-stack-instances example creates instances of a stack set in two accounts and in four regions. The fault tolerance setting ensures that the update is attempted in all accounts and regions, even if some stacks cannot be created.

aws cloudformation create-stack-instances \
    --stack-set-name my-stack-set \
    --accounts 123456789012 223456789012 \
    --regions us-east-1 us-east-2 us-west-1 us-west-2 \
    --operation-preferences FailureToleranceCount=7

Output:

{
    "OperationId": "d7995c31-83c2-xmpl-a3d4-e9ca2811563f"
}

To create a stack set, use the create-stack-set command.

To create a stack set

The following create-stack-set example creates a stack set using the specified YAML file temlplate. template.yaml is an Amazon CloudFormation template in the current folder that defines a stack.

aws cloudformation create-stack-set \
    --stack-set-name my-stack-set \
    --template-body file://template.yaml \
    --description "SNS topic"

Output:

{
    "StackSetId": "my-stack-set:8d0f160b-d157-xmpl-a8e6-c0ce8e5d8cc1"
}

To add stack instances to the stack set, use the create-stack-instances command.

To create an Amazon CloudFormation stack

The following create-stacks command creates a stack with the name myteststack using the sampletemplate.json template:

aws cloudformation create-stack --stack-name myteststack --template-body file://sampletemplate.json --parameters ParameterKey=KeyPairName,ParameterValue=TestKey ParameterKey=SubnetIDs,ParameterValue=SubnetID1\\,SubnetID2

Output:

{
    "StackId": "arn:aws:cloudformation:us-east-1:123456789012:stack/myteststack/466df9e0-0dff-08e3-8e2f-5088487c4896"
}

For more information, see Stacks in the Amazon CloudFormation User Guide.

To deactivate a type

The following deactivate-type example deactivates a public extension that was previously activated in this account and Region.

aws cloudformation deactivate-type \
    --region us-west-2 \
    --type MODULE \
    --type-name Example::Test::Type::MODULE

This command produces no output.

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To delete a change set

The following delete-change-set example deletes a change set by specifying the change set name and stack name.

aws cloudformation delete-change-set \
    --stack-name my-stack \
    --change-set-name my-change-set

This command produces no output.

The following delete-change-set example deletes a change set by specifying the full ARN of the change set.

aws cloudformation delete-change-set \
    --change-set-name arn:aws:cloudformation:us-east-2:123456789012:changeSet/my-change-set/4eca1a01-e285-xmpl-8026-9a1967bfb4b0

This command produces no output.

To delete stack instances

The following delete-stack-instances example deletes instances of a stack set in two accounts in two regions and terminates the stacks.

aws cloudformation delete-stack-instances \
    --stack-set-name my-stack-set \
    --accounts 123456789012 567890123456 \
    --regions us-east-1 us-west-1 \
    --no-retain-stacks

Output:

{
    "OperationId": "ad49f10c-fd1d-413f-a20a-8de6e2fa8f27"
}

To delete an empty stack set, use the delete-stack-set command.

To delete a stack set

The following command deletes the specified empty stack set. The stack set must be empty.

aws cloudformation delete-stack-set \
    --stack-set-name my-stack-set

This command produces no output.

To delete instances from the stack set, use the delete-stack-instances command.

To delete a stack

The following delete-stack example deletes the specified stack.

aws cloudformation delete-stack \
    --stack-name my-stack

This command produces no output.

Following command deploys template named template.json to a stack named my-new-stack:

aws cloudformation deploy --template-file /path_to_template/template.json --stack-name my-new-stack --parameter-overrides Key1=Value1 Key2=Value2 --tags Key1=Value1 Key2=Value2

To deregister a type version

The following deregister-type example removes the specified type version from active use in the CloudFormation registry, so that it can no longer be used in CloudFormation operations.

aws cloudformation deregister-type \
    --type RESOURCE \
    --type-name My::Logs::LogGroup \
    --version-id 00000002

This command produces no output.

For more information, see Using the CloudFormation Registry in the Amazon CloudFormation Users Guide.

To get information about your account limits

The following command retrieves a list of regional limits for the current account.

aws cloudformation describe-account-limits

Output:

{
    "AccountLimits": [
        {
            "Name": "StackLimit",
            "Value": 200
        },
        {
            "Name": "StackOutputsLimit",
            "Value": 60
        },
        {
            "Name": "ConcurrentResourcesLimit",
            "Value": 2500
        }
    ]
}

To get information about a change set

The following describe-change-set example displays the details of the change set specified by change set name and stack name.

aws cloudformation describe-change-set \
    --change-set-name my-change-set \
    --stack-name my-stack

The following describe-change-set example displays the details of the change set specified by the full ARN of the change set:

aws cloudformation describe-change-set \
    --change-set-name arn:aws:cloudformation:us-west-2:123456789012:changeSet/my-change-set/bc9555ba-a949-xmpl-bfb8-f41d04ec5784

Output:

{
    "Changes": [
        {
            "Type": "Resource",
            "ResourceChange": {
                "Action": "Modify",
                "LogicalResourceId": "function",
                "PhysicalResourceId": "my-function-SEZV4XMPL4S5",
                "ResourceType": "AWS::Lambda::Function",
                "Replacement": "False",
                "Scope": [
                    "Properties"
                ],
                "Details": [
                    {
                        "Target": {
                            "Attribute": "Properties",
                            "Name": "Timeout",
                            "RequiresRecreation": "Never"
                        },
                        "Evaluation": "Static",
                        "ChangeSource": "DirectModification"
                    }
                ]
            }
        }
    ],
    "ChangeSetName": "my-change-set",
    "ChangeSetId": "arn:aws:cloudformation:us-west-2:123456789012:changeSet/my-change-set/4eca1a01-e285-xmpl-8026-9a1967bfb4b0",
    "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
    "StackName": "my-stack",
    "Description": null,
    "Parameters": null,
    "CreationTime": "2019-10-02T05:20:56.651Z",
    "ExecutionStatus": "AVAILABLE",
    "Status": "CREATE_COMPLETE",
    "StatusReason": null,
    "NotificationARNs": [],
    "RollbackConfiguration": {},
    "Capabilities": [
        "CAPABILITY_IAM"
    ],
    "Tags": null
}

To describe a publisher

The following describe-publisher example configures the information for a publisher.

aws cloudformation describe-publisher \
    --region us-west-2 \
    --publisher-id 000q6TfUovXsEMmgKowxDZLlwqr2QUsh

Output:

{
    "PublisherId": "000q6TfUovXsEMmgKowxDZLlwqr2QUshd2e75c8c",
    "PublisherStatus": "VERIFIED",
    "IdentityProvider": "AWS_Marketplace",
    "PublisherProfile": "https://aws.amazon.com/marketplace/seller-profile?id=2c5dc1f0-17cd-4259-8e46-822a83gdtegd"
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To check a drift detection operation's status

The following describe-stack-drift-detection-status example displays the status of a drift detection operation. Get the by ID running the detect-stack-drift command.

aws cloudformation describe-stack-drift-detection-status \
    --stack-drift-detection-id 1a229160-e4d9-xmpl-ab67-0a4f93df83d4

Output:

{
    "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
    "StackDriftDetectionId": "1a229160-e4d9-xmpl-ab67-0a4f93df83d4",
    "StackDriftStatus": "DRIFTED",
    "DetectionStatus": "DETECTION_COMPLETE",
    "DriftedStackResourceCount": 1,
    "Timestamp": "2019-10-02T05:54:30.902Z"
}

To describe stack events

The following describe-stack-events example displays the 2 most recent events for the specified stack.

aws cloudformation describe-stack-events \
    --stack-name my-stack \
    --max-items 2

{
    "StackEvents": [
        {
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "EventId": "4e1516d0-e4d6-xmpl-b94f-0a51958a168c",
            "StackName": "my-stack",
            "LogicalResourceId": "my-stack",
            "PhysicalResourceId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "ResourceType": "AWS::CloudFormation::Stack",
            "Timestamp": "2019-10-02T05:34:29.556Z",
            "ResourceStatus": "UPDATE_COMPLETE"
        },
        {
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "EventId": "4dd3c810-e4d6-xmpl-bade-0aaf8b31ab7a",
            "StackName": "my-stack",
            "LogicalResourceId": "my-stack",
            "PhysicalResourceId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "ResourceType": "AWS::CloudFormation::Stack",
            "Timestamp": "2019-10-02T05:34:29.127Z",
            "ResourceStatus": "UPDATE_COMPLETE_CLEANUP_IN_PROGRESS"
        }
    ],
    "NextToken": "eyJOZXh0VG9XMPLiOiBudWxsLCAiYm90b190cnVuY2F0ZV9hbW91bnQiOiAyfQ=="
}

To describe a stack instance

The following command describes an instance of the specified stack set in the specified account and Region. The stack set is in the current region and account, and the instance is in the us-west-2 region in account 123456789012.:

aws cloudformation describe-stack-instance \
    --stack-set-name my-stack-set \
    --stack-instance-account 123456789012 \
    --stack-instance-region us-west-2

Output:

{
    "StackInstance": {
        "StackSetId": "enable-config:296a3360-xmpl-40af-be78-9341e95bf743",
        "Region": "us-west-2",
        "Account": "123456789012",
        "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/StackSet-enable-config-e6cac20f-xmpl-46e9-8314-53e0d4591532/4287f9a0-e615-xmpl-894a-12b31d3117be",
        "ParameterOverrides": [],
        "Status": "OUTDATED",
        "StatusReason": "ResourceLogicalId:ConfigBucket, ResourceType:AWS::S3::Bucket, ResourceStatusReason:You have attempted to create more buckets than allowed (Service: Amazon S3; Status Code: 400; Error Code: TooManyBuckets; Request ID: F7F21CXMPL580224; S3 Extended Request ID: egd/Fdt89BXMPLyiqbMNljVk55Yqqvi3NYW2nKLUVWhUGEhNfCmZdyj967lhriaG/dWMobSO40o=)."
    }
}

To get information about resources that drifted from the stack definition

The following command displays information about drifted resources for the specified stack. To initiate drift detection, use the detect-stack-drift command.:

aws cloudformation describe-stack-resource-drifts \
    --stack-name my-stack

The output shows an Amazon Lambda function that was modified out-of-band:

{
    "StackResourceDrifts": [
        {
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "LogicalResourceId": "function",
            "PhysicalResourceId": "my-function-SEZV4XMPL4S5",
            "ResourceType": "AWS::Lambda::Function",
            "ExpectedProperties": "{\"Description\":\"Write a file to S3.\",\"Environment\":{\"Variables\":{\"bucket\":\"my-stack-bucket-1vc62xmplgguf\"}},\"Handler\":\"index.handler\",\"MemorySize\":128,\"Role\":\"arn:aws:iam::123456789012:role/my-functionRole-HIZXMPLEOM9E\",\"Runtime\":\"nodejs10.x\",\"Tags\":[{\"Key\":\"lambda:createdBy\",\"Value\":\"SAM\"}],\"Timeout\":900,\"TracingConfig\":{\"Mode\":\"Active\"}}",
            "ActualProperties": "{\"Description\":\"Write a file to S3.\",\"Environment\":{\"Variables\":{\"bucket\":\"my-stack-bucket-1vc62xmplgguf\"}},\"Handler\":\"index.handler\",\"MemorySize\":256,\"Role\":\"arn:aws:iam::123456789012:role/my-functionRole-HIZXMPLEOM9E\",\"Runtime\":\"nodejs10.x\",\"Tags\":[{\"Key\":\"lambda:createdBy\",\"Value\":\"SAM\"}],\"Timeout\":22,\"TracingConfig\":{\"Mode\":\"Active\"}}",
            "PropertyDifferences": [
                {
                    "PropertyPath": "/MemorySize",
                    "ExpectedValue": "128",
                    "ActualValue": "256",
                    "DifferenceType": "NOT_EQUAL"
                },
                {
                    "PropertyPath": "/Timeout",
                    "ExpectedValue": "900",
                    "ActualValue": "22",
                    "DifferenceType": "NOT_EQUAL"
                }
            ],
            "StackResourceDriftStatus": "MODIFIED",
            "Timestamp": "2019-10-02T05:54:44.064Z"
        }
    ]
}

To get information about a stack resource

The following describe-stack-resource example displays details for the resource named MyFunction in the specified stack.

aws cloudformation describe-stack-resource \
    --stack-name MyStack \
    --logical-resource-id MyFunction

Output:

{
    "StackResourceDetail": {
        "StackName": "MyStack",
        "StackId": "arn:aws:cloudformation:us-east-2:123456789012:stack/MyStack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
        "LogicalResourceId": "MyFunction",
        "PhysicalResourceId": "my-function-SEZV4XMPL4S5",
        "ResourceType": "AWS::Lambda::Function",
        "LastUpdatedTimestamp": "2019-10-02T05:34:27.989Z",
        "ResourceStatus": "UPDATE_COMPLETE",
        "Metadata": "{}",
        "DriftInformation": {
            "StackResourceDriftStatus": "IN_SYNC"
        }
    }
}

To get information about a stack resource

The following describe-stack-resources example displays details for the resources in the specified stack.

aws cloudformation describe-stack-resources \
    --stack-name my-stack

Output:

{
    "StackResources": [
        {
            "StackName": "my-stack",
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "LogicalResourceId": "bucket",
            "PhysicalResourceId": "my-stack-bucket-1vc62xmplgguf",
            "ResourceType": "AWS::S3::Bucket",
            "Timestamp": "2019-10-02T04:34:11.345Z",
            "ResourceStatus": "CREATE_COMPLETE",
            "DriftInformation": {
                "StackResourceDriftStatus": "IN_SYNC"
            }
        },
        {
            "StackName": "my-stack",
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "LogicalResourceId": "function",
            "PhysicalResourceId": "my-function-SEZV4XMPL4S5",
            "ResourceType": "AWS::Lambda::Function",
            "Timestamp": "2019-10-02T05:34:27.989Z",
            "ResourceStatus": "UPDATE_COMPLETE",
            "DriftInformation": {
                "StackResourceDriftStatus": "IN_SYNC"
            }
        },
        {
            "StackName": "my-stack",
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "LogicalResourceId": "functionRole",
            "PhysicalResourceId": "my-functionRole-HIZXMPLEOM9E",
            "ResourceType": "AWS::IAM::Role",
            "Timestamp": "2019-10-02T04:34:06.350Z",
            "ResourceStatus": "CREATE_COMPLETE",
            "DriftInformation": {
                "StackResourceDriftStatus": "IN_SYNC"
            }
        }
    ]
}

To get information about a stack set operation

The following describe-stack-set-operation` example displays details for an update operation on the specified stack set.

aws cloudformation describe-stack-set-operation \
    --stack-set-name enable-config \
    --operation-id 35d45ebc-ed88-xmpl-ab59-0197a1fc83a0

Output:

{
    "StackSetOperation": {
        "OperationId": "35d45ebc-ed88-xmpl-ab59-0197a1fc83a0",
        "StackSetId": "enable-config:296a3360-xmpl-40af-be78-9341e95bf743",
        "Action": "UPDATE",
        "Status": "SUCCEEDED",
        "OperationPreferences": {
            "RegionOrder": [
                "us-east-1",
                "us-west-2",
                "eu-west-1",
                "us-west-1"
            ],
            "FailureToleranceCount": 7,
            "MaxConcurrentCount": 2
        },
        "AdministrationRoleARN": "arn:aws:iam::123456789012:role/AWSCloudFormationStackSetAdministrationRole",
        "ExecutionRoleName": "AWSCloudFormationStackSetExecutionRole",
        "CreationTimestamp": "2019-10-03T16:28:44.377Z",
        "EndTimestamp": "2019-10-03T16:42:08.607Z"
    }
}

To get information about a stack set

The following describe-stack-set` example displays details about the specified stack set.

aws cloudformation describe-stack-set \
    --stack-set-name my-stack-set

Output:

{
    "StackSet": {
        "StackSetName": "my-stack-set",
        "StackSetId": "my-stack-set:296a3360-xmpl-40af-be78-9341e95bf743",
        "Description": "Create an Amazon SNS topic",
        "Status": "ACTIVE",
        "TemplateBody": "AWSTemplateFormatVersion: '2010-09-09'\nDescription: An AWS SNS topic\nResources:\n  topic:\n    Type: AWS::SNS::Topic",
        "Parameters": [],
        "Capabilities": [],
        "Tags": [],
        "StackSetARN": "arn:aws:cloudformation:us-west-2:123456789012:stackset/enable-config:296a3360-xmpl-40af-be78-9341e95bf743",
        "AdministrationRoleARN": "arn:aws:iam::123456789012:role/AWSCloudFormationStackSetAdministrationRole",
        "ExecutionRoleName": "AWSCloudFormationStackSetExecutionRole"
    }
}

To describe Amazon CloudFormation stacks

The following describe-stacks command shows summary information for the myteststack stack:

aws cloudformation describe-stacks --stack-name myteststack

Output:

{
    "Stacks":  [
        {
            "StackId": "arn:aws:cloudformation:us-east-1:123456789012:stack/myteststack/466df9e0-0dff-08e3-8e2f-5088487c4896",
            "Description": "AWS CloudFormation Sample Template S3_Bucket: Sample template showing how to create a publicly accessible S3 bucket. **WARNING** This template creates an S3 bucket. You will be billed for the AWS resources used if you create a stack from this template.",
            "Tags": [],
            "Outputs": [
                {
                    "Description": "Name of S3 bucket to hold website content",
                    "OutputKey": "BucketName",
                    "OutputValue": "myteststack-s3bucket-jssofi1zie2w"
                }
            ],
            "StackStatusReason": null,
            "CreationTime": "2013-08-23T01:02:15.422Z",
            "Capabilities": [],
            "StackName": "myteststack",
            "StackStatus": "CREATE_COMPLETE",
            "DisableRollback": false
        }
    ]
}

For more information, see Stacks in the Amazon CloudFormation User Guide.

To display type registration information

The following describe-type-registration example displays information about the specified type registration, including the type's current status, type, and version.

aws cloudformation describe-type-registration \
    --registration-token a1b2c3d4-5678-90ab-cdef-EXAMPLE11111

Output:

{
    "ProgressStatus": "COMPLETE",
    "TypeArn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/My-Logs-LogGroup",
    "Description": "Deployment is currently in DEPLOY_STAGE of status COMPLETED; ",
    "TypeVersionArn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/My-Logs-LogGroup/00000001"
}

For more information, see Using the CloudFormation Registry in the Amazon CloudFormation Users Guide.

To display type information

The following describe-type example displays information for the specified type.

aws cloudformation describe-type \
    --type-name My::Logs::LogGroup \
    --type RESOURCE

Output:

{
    "SourceUrl": "https://github.com/aws-cloudformation/aws-cloudformation-resource-providers-logs.git",
    "Description": "Customized resource derived from AWS::Logs::LogGroup",
    "TimeCreated": "2019-12-03T23:29:33.321Z",
    "Visibility": "PRIVATE",
    "TypeName": "My::Logs::LogGroup",
    "LastUpdated": "2019-12-03T23:29:33.321Z",
    "DeprecatedStatus": "LIVE",
    "ProvisioningType": "FULLY_MUTABLE",
    "Type": "RESOURCE",
    "Arn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/My-Logs-LogGroup/00000001",
    "Schema": "[details omitted]"
}

For more information, see Using the CloudFormation Registry in the Amazon CloudFormation Users Guide.

To detect drifted resources

The following detect-stack-drift example initiates drift detection for the specified stack.

aws cloudformation detect-stack-drift \
    --stack-name my-stack

Output:

{
    "StackDriftDetectionId": "1a229160-e4d9-xmpl-ab67-0a4f93df83d4"
}

You can then use this ID with the describe-stack-resource-drifts command to describe drifted resources.

To detect drift for a resource

The following detect-stack-resource-drift example checks a resource named MyFunction in a stack named MyStack for drift:

aws cloudformation detect-stack-resource-drift \
   --stack-name MyStack \
   --logical-resource-id MyFunction

The output shows an Amazon Lambda function that was modified out-of-band:

{
    "StackResourceDrift": {
        "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/MyStack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
        "LogicalResourceId": "MyFunction",
        "PhysicalResourceId": "my-function-SEZV4XMPL4S5",
        "ResourceType": "AWS::Lambda::Function",
        "ExpectedProperties": "{\"Description\":\"Write a file to S3.\",\"Environment\":{\"Variables\":{\"bucket\":\"my-stack-bucket-1vc62xmplgguf\"}},\"Handler\":\"index.handler\",\"MemorySize\":128,\"Role\":\"arn:aws:iam::123456789012:role/my-functionRole-HIZXMPLEOM9E\",\"Runtime\":\"nodejs10.x\",\"Tags\":[{\"Key\":\"lambda:createdBy\",\"Value\":\"SAM\"}],\"Timeout\":900,\"TracingConfig\":{\"Mode\":\"Active\"}}",
        "ActualProperties": "{\"Description\":\"Write a file to S3.\",\"Environment\":{\"Variables\":{\"bucket\":\"my-stack-bucket-1vc62xmplgguf\"}},\"Handler\":\"index.handler\",\"MemorySize\":256,\"Role\":\"arn:aws:iam::123456789012:role/my-functionRole-HIZXMPLEOM9E\",\"Runtime\":\"nodejs10.x\",\"Tags\":[{\"Key\":\"lambda:createdBy\",\"Value\":\"SAM\"}],\"Timeout\":22,\"TracingConfig\":{\"Mode\":\"Active\"}}",
        "PropertyDifferences": [
            {
                "PropertyPath": "/MemorySize",
                "ExpectedValue": "128",
                "ActualValue": "256",
                "DifferenceType": "NOT_EQUAL"
            },
            {
                "PropertyPath": "/Timeout",
                "ExpectedValue": "900",
                "ActualValue": "22",
                "DifferenceType": "NOT_EQUAL"
            }
        ],
        "StackResourceDriftStatus": "MODIFIED",
        "Timestamp": "2019-10-02T05:58:47.433Z"
    }
}

To detect drift on a stack set and all associated stack instances

The following detect-stack-set-drift example initiates drift detection operations on the specified stack set, including all the stack instances associated with that stack set, and returns an operation ID that can be used to track the status of the drift operation.

aws cloudformation detect-stack-set-drift \
    --stack-set-name stack-set-drift-example

Output:

{
    "OperationId": "a1b2c3d4-5678-90ab-cdef-EXAMPLE11111"
}

For more information, see Detecting Unmanaged Configuration Changes in Stack Sets in the Amazon CloudFormation Users Guide.

To estimate template cost

The following estimate-template-cost example generates a cost estimate for a template named template.yaml in the current folder.

aws cloudformation estimate-template-cost \
    --template-body file://template.yaml

Output:

{
    "Url": "http://calculator.s3.amazonaws.com/calc5.html?key=cloudformation/7870825a-xmpl-4def-92e7-c4f8dd360cca"
}

To execute a change set

The following execute-change-set example executes a change set specified by change set name and stack name.

aws cloudformation execute-change-set \
    --change-set-name my-change-set \
    --stack-name my-stack

The following execute-change-set example executes a change set specified by the full ARN of the change set.

aws cloudformation execute-change-set \
    --change-set-name arn:aws:cloudformation:us-west-2:123456789012:changeSet/my-change-set/bc9555ba-a949-xmpl-bfb8-f41d04ec5784

To view a stack policy

The following get-stack-policy example displays the stack policy for the specified stack. To attach a policy to a stack, use the set-stack-policy command.

aws cloudformation get-stack-policy \
    --stack-name my-stack

Output:

{
    "StackPolicyBody": "{\n  \"Statement\" : [\n    {\n      \"Effect\" : \"Allow\",\n      \"Action\" : \"Update:*\",\n      \"Principal\": \"*\",\n      \"Resource\" : \"*\"\n    },\n    {\n      \"Effect\" : \"Deny\",\n      \"Action\" : \"Update:*\",\n      \"Principal\": \"*\",\n      \"Resource\" : \"LogicalResourceId/bucket\"\n    }\n  ]\n}\n"
}

To display a template summary

The following command displays summary information about the resources and metadata for the specified template file.

aws cloudformation get-template-summary \
   --template-body file://template.yaml

Output:

{
    "Parameters": [],
    "Description": "A VPC and subnets.",
    "ResourceTypes": [
        "AWS::EC2::VPC",
        "AWS::EC2::Subnet",
        "AWS::EC2::Subnet",
        "AWS::EC2::RouteTable",
        "AWS::EC2::VPCEndpoint",
        "AWS::EC2::SubnetRouteTableAssociation",
        "AWS::EC2::SubnetRouteTableAssociation",
        "AWS::EC2::VPCEndpoint"
    ],
    "Version": "2010-09-09"
}

To view the template body for an Amazon CloudFormation stack

The following get-template command shows the template for the myteststack stack:

aws cloudformation get-template --stack-name myteststack

Output:

{
    "TemplateBody": {
        "AWSTemplateFormatVersion": "2010-09-09",
        "Outputs": {
            "BucketName": {
                "Description": "Name of S3 bucket to hold website content",
                "Value": {
                    "Ref": "S3Bucket"
                }
            }
        },
        "Description": "AWS CloudFormation Sample Template S3_Bucket: Sample template showing how to create a publicly accessible S3 bucket. **WARNING** This template creates an S3 bucket. You will be billed for the AWS resources used if you create a stack from this template.",
        "Resources": {
            "S3Bucket": {
                "Type": "AWS::S3::Bucket",
                "Properties": {
                    "AccessControl": "PublicRead"
                }
            }
        }
    }
}

To list change sets

The following list-change-sets example displays a list of the pending change sets for the specified stack.

aws cloudformation list-change-sets \
   --stack-name my-stack

Output:

{
    "Summaries": [
        {
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204",
            "StackName": "my-stack",
            "ChangeSetId": "arn:aws:cloudformation:us-west-2:123456789012:changeSet/my-change-set/70160340-7914-xmpl-bcbf-128a1fa78b5d",
            "ChangeSetName": "my-change-set",
            "ExecutionStatus": "AVAILABLE",
            "Status": "CREATE_COMPLETE",
            "CreationTime": "2019-10-02T05:38:54.297Z"
        }
    ]
}

To list exports

The following list-exports example displays a list of the exports from stacks in the current region.

aws cloudformation list-exports

Output:

{
    "Exports": [
        {
            "ExportingStackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/private-vpc/99764070-b56c-xmpl-bee8-062a88d1d800",
            "Name": "private-vpc-subnet-a",
            "Value": "subnet-07b410xmplddcfa03"
        },
        {
            "ExportingStackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/private-vpc/99764070-b56c-xmpl-bee8-062a88d1d800",
            "Name": "private-vpc-subnet-b",
            "Value": "subnet-075ed3xmplebd2fb1"
        },
        {
            "ExportingStackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/private-vpc/99764070-b56c-xmpl-bee8-062a88d1d800",
            "Name": "private-vpc-vpcid",
            "Value": "vpc-011d7xmpl100e9841"
        }
    ]
}

To list imports

The following list-imports example lists the stacks that import the specified export. To get the list of available exports, use the list-exports command.

aws cloudformation list-imports \
    --export-name private-vpc-vpcid

Output:

{
    "Imports": [
        "my-database-stack"
    ]
}

To list instances for a stack

The following list-stack-instances example lists the instances created from the specified stack set.

aws cloudformation list-stack-instances \
    --stack-set-name enable-config

The example output includes details about a stack that failed to update due to an error:

{
    "Summaries": [
        {
            "StackSetId": "enable-config:296a3360-xmpl-40af-be78-9341e95bf743",
            "Region": "us-west-2",
            "Account": "123456789012",
            "StackId": "arn:aws:cloudformation:ap-northeast-1:123456789012:stack/StackSet-enable-config-35a6ac50-d9f8-4084-86e4-7da34d5de4c4/a1631cd0-e5fb-xmpl-b474-0aa20f14f06e",
            "Status": "CURRENT"
        },
        {
            "StackSetId": "enable-config:296a3360-xmpl-40af-be78-9341e95bf743",
            "Region": "us-west-2",
            "Account": "123456789012",
            "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/StackSet-enable-config-e6cac20f-xmpl-46e9-8314-53e0d4591532/eab53680-e5fa-xmpl-ba14-0a522351f81e",
            "Status": "OUTDATED",
            "StatusReason": "ResourceLogicalId:ConfigDeliveryChannel, ResourceType:AWS::Config::DeliveryChannel, ResourceStatusReason:Failed to put delivery channel 'StackSet-enable-config-e6cac20f-xmpl-46e9-8314-53e0d4591532-ConfigDeliveryChannel-1OJWJ7XD59WR0' because the maximum number of delivery channels: 1 is reached. (Service: AmazonConfig; Status Code: 400; Error Code: MaxNumberOfDeliveryChannelsExceededException; Request ID: d14b34a0-ef7c-xmpl-acf8-8a864370ae56)."
        }
    ]
}

To list resources in a stack

The following command displays the list of resources in the specified stack.

aws cloudformation list-stack-resources \
    --stack-name my-stack

Output:

{
    "StackResourceSummaries": [
        {
            "LogicalResourceId": "bucket",
            "PhysicalResourceId": "my-stack-bucket-1vc62xmplgguf",
            "ResourceType": "AWS::S3::Bucket",
            "LastUpdatedTimestamp": "2019-10-02T04:34:11.345Z",
            "ResourceStatus": "CREATE_COMPLETE",
            "DriftInformation": {
                "StackResourceDriftStatus": "IN_SYNC"
            }
        },
        {
            "LogicalResourceId": "function",
            "PhysicalResourceId": "my-function-SEZV4XMPL4S5",
            "ResourceType": "AWS::Lambda::Function",
            "LastUpdatedTimestamp": "2019-10-02T05:34:27.989Z",
            "ResourceStatus": "UPDATE_COMPLETE",
            "DriftInformation": {
                "StackResourceDriftStatus": "IN_SYNC"
            }
        },
        {
            "LogicalResourceId": "functionRole",
            "PhysicalResourceId": "my-functionRole-HIZXMPLEOM9E",
            "ResourceType": "AWS::IAM::Role",
            "LastUpdatedTimestamp": "2019-10-02T04:34:06.350Z",
            "ResourceStatus": "CREATE_COMPLETE",
            "DriftInformation": {
                "StackResourceDriftStatus": "IN_SYNC"
            }
        }
    ]
}

To list stack set operation results

The following command displays the results of an update operation on instances in the specified stack set.

aws cloudformation list-stack-set-operation-results \
    --stack-set-name enable-config \
    --operation-id 35d45ebc-ed88-xmpl-ab59-0197a1fc83a0

Output:

{
    "Summaries": [
        {
            "Account": "223456789012",
            "Region": "us-west-2",
            "Status": "SUCCEEDED",
            "AccountGateResult": {
                "Status": "SKIPPED",
                "StatusReason": "Function not found: arn:aws:lambda:eu-west-1:223456789012:function:AWSCloudFormationStackSetAccountGate"
            }
        },
        {
            "Account": "223456789012",
            "Region": "ap-south-1",
            "Status": "CANCELLED",
            "StatusReason": "Cancelled since failure tolerance has exceeded"
        }
    ]
}

Note: The SKIPPED status for AccountGateResult is expected for successful operations unless you create an account gate function.

To list stack set operations

The following list-stack-set-operations example displays the list of the most recent operations on the specified stack set.

aws cloudformation list-stack-set-operations \
    --stack-set-name my-stack-set

Output:

{
    "Summaries": [
        {
            "OperationId": "35d45ebc-ed88-xmpl-ab59-0197a1fc83a0",
            "Action": "UPDATE",
            "Status": "SUCCEEDED",
            "CreationTimestamp": "2019-10-03T16:28:44.377Z",
            "EndTimestamp": "2019-10-03T16:42:08.607Z"
        },
        {
            "OperationId": "891aa98f-7118-xmpl-00b2-00954d1dd0d6",
            "Action": "UPDATE",
            "Status": "FAILED",
            "CreationTimestamp": "2019-10-03T15:43:53.916Z",
            "EndTimestamp": "2019-10-03T15:45:58.925Z"
        }
    ]
}

To list stack sets

The following list-stack-sets example displays the list of stack sets in the current region and account.

aws cloudformation list-stack-sets

Output:

{
    "Summaries": [
        {
            "StackSetName": "enable-config",
            "StackSetId": "enable-config:296a3360-xmpl-40af-be78-9341e95bf743",
            "Description": "Enable AWS Config",
            "Status": "ACTIVE"
        }
    ]
}

To list Amazon CloudFormation stacks

The following list-stacks command shows a summary of all stacks that have a status of CREATE_COMPLETE:

aws cloudformation list-stacks --stack-status-filter CREATE_COMPLETE

Output:

[
    {
        "StackId": "arn:aws:cloudformation:us-east-1:123456789012:stack/myteststack/466df9e0-0dff-08e3-8e2f-5088487c4896",
        "TemplateDescription": "AWS CloudFormation Sample Template S3_Bucket: Sample template showing how to create a publicly accessible S3 bucket. **WARNING** This template creates an S3 bucket. You will be billed for the AWS resources used if you create a stack from this template.",
        "StackStatusReason": null,
        "CreationTime": "2013-08-26T03:27:10.190Z",
        "StackName": "myteststack",
        "StackStatus": "CREATE_COMPLETE"
    }
]

To list the completed registrations of a type

The following list-type-registrations example displays a list of the completed type registrations for the specified type.

aws cloudformation list-type-registrations \
    --type RESOURCE \
    --type-name My::Logs::LogGroup \
    --registration-status-filter COMPLETE

Output:

{
    "RegistrationTokenList": [
        "a1b2c3d4-5678-90ab-cdef-EXAMPLE11111",
        "a1b2c3d4-5678-90ab-cdef-EXAMPLE22222",
        "a1b2c3d4-5678-90ab-cdef-EXAMPLE33333"
    ]
}

For more information, see Using the CloudFormation Registry in the Amazon CloudFormation Users Guide.

To list an extension's version

The following list-type-versions example returns summary information about the versions of an extension.

aws cloudformation list-type-versions \
  --endpoint https://example.com \
  --region us-west-2 \
  --type RESOURCE \
  --type-name My::Resource::Example \
  --publisher-id 123456789012

This command produces no output.

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To list the private resource types in an account

The following list-types example displays a list of the private resource types currently registered in the current Amazon account.

aws cloudformation list-types

Output:

{
    "TypeSummaries": [
        {
            "Description": "WordPress blog resource for internal use",
            "LastUpdated": "2019-12-04T18:28:15.059Z",
            "TypeName": "My::WordPress::BlogExample",
            "TypeArn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/My-WordPress-BlogExample",
            "DefaultVersionId": "00000005",
            "Type": "RESOURCE"
        },
        {
            "Description": "Customized resource derived from AWS::Logs::LogGroup",
            "LastUpdated": "2019-12-04T18:28:15.059Z",
            "TypeName": "My::Logs::LogGroup",
            "TypeArn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/My-Logs-LogGroup",
            "DefaultVersionId": "00000003",
            "Type": "RESOURCE"
        }
    ]
}

For more information, see Using the CloudFormation Registry in the Amazon CloudFormation Users Guide.

Following command exports a template named template.json by uploading local artifacts to S3 bucket bucket-name and writes the exported template to packaged-template.json:

aws cloudformation package --template-file /path_to_template/template.json --s3-bucket bucket-name --output-template-file packaged-template.json --use-json

To publish an extension

The following publish-type example publishes the specified extension to the CloudFormation registry as a public extension in this Region.

aws cloudformation publish-type \
  --region us-west-2 \
  --type RESOURCE \
  --type-name Example::Test::1234567890abcdef0

Output:

{
    "PublicTypeArn":"arn:aws:cloudformation:us-west-2::type/resource/000q6TfUovXsEMmgKowxDZLlwqr2QUshd2e75c8c/Example-Test-1234567890abcdef0/1.0.0"
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To register a publisher

The following register-publisher example registers a publisher and accepts the terms and condition parameter.

aws cloudformation register-publisher \
  --region us-west-2 \
  --accept-terms-and-conditions

Output:

{
    "PublisherId": "000q6TfUovXsEMmgKowxDZLlwqr2QUshd2e75c8c"
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To register a resource type

The following register-type example registers the specified resource type as a private resource type in the user's account.

aws cloudformation register-type \
    --type-name My::Organization::ResourceName \
    --schema-handler-package s3://bucket_name/my-organization-resource_name.zip \
    --type RESOURCE

Output:

{
    "RegistrationToken": "f5525280-104e-4d35-bef5-8f1f1example"
}

For more information, see Registering Resource Providers in the CloudFormation Command Line Interface User Guide for Type Development.

To apply a stack policy

The following set-stack-policy example disables updates for the specified resource in the specified stack. stack-policy.json is a JSON document that defines the operations allowed on resources in the stack.

aws cloudformation set-stack-policy \
    --stack-name my-stack \
    --stack-policy-body file://stack-policy.json

Output:

{
  "Statement" : [
    {
      "Effect" : "Allow",
      "Action" : "Update:*",
      "Principal": "*",
      "Resource" : "*"
    },
    {
      "Effect" : "Deny",
      "Action" : "Update:*",
      "Principal": "*",
      "Resource" : "LogicalResourceId/bucket"
    }
  ]
}

To configure data

The following set-type-configuration example specifies the configuration data for a registered CloudFormation extension, in the given account and Region.

aws cloudformation set-type-configuration \
    --region us-west-2 \
    --type RESOURCE \
    --type-name Example::Test::Type \
    --configuration-alias default \
    --configuration "{\"CredentialKey\": \"testUserCredential\"}"

Output:

{
    "ConfigurationArn": "arn:aws:cloudformation:us-west-2:123456789012:type-configuration/resource/Example-Test-Type/default"
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To set a type's default version

The following set-type-default-version example sets the specified type version to be used as the default for this type.

aws cloudformation set-type-default-version \
    --type RESOURCE \
    --type-name My::Logs::LogGroup \
    --version-id 00000003

This command produces no output.

For more information, see Using the CloudFormation Registry in the Amazon CloudFormation Users Guide.

To signal a resource

The following signal-resource example signals success to fulfill the wait condition named MyWaitCondition in the stack named my-stack.

aws cloudformation signal-resource \
    --stack-name my-stack \
    --logical-resource-id MyWaitCondition \
    --unique-id 1234 \
    --status SUCCESS

This command produces no output.

To stop a stack set operation

The following stop-stack-set-operation example stops an in-progess update operation on the specified stack set.

aws cloudformation stop-stack-set-operation \
    --stack-set-name my-stack-set \
    --operation-id 1261cd27-490b-xmpl-ab42-793a896c69e6

This command produces no output.

To test an extension

The following test-type example tests a registered extension to make sure it meets all necessary requirements for being published in the CloudFormation registry.

aws cloudformation test-type \
    --arn arn:aws:cloudformation:us-west-2:123456789012:type/resource/Sample-Test-Resource123/00000001

Output:

{
    "TypeVersionArn": "arn:aws:cloudformation:us-west-2:123456789012:type/resource/Sample-Test-Resource123/00000001"
}

For more information, see Using the Amazon CloudFormation registry in the Amazon CloudFormation User Guide.

To update stack instances

The following update-stack-instances example retries an update on stack instances in two accounts in two regions with the most recent settings. The specified fault tolerance setting ensures that the update is attempted in all accounts and regions, even if some stacks cannot be updated.

aws cloudformation update-stack-instances \
    --stack-set-name my-stack-set \
    --accounts 123456789012 567890123456 \
    --regions us-east-1 us-west-2 \
    --operation-preferences FailureToleranceCount=3

Output:

{
    "OperationId": "103ebdf2-21ea-xmpl-8892-de5e30733132"
}

To update a stack set

The following update-stack-set example adds a tag with the key name Owner and a value of IT to the stack instances in the specified stack set.

aws cloudformation update-stack-set \
    --stack-set-name my-stack-set \
    --use-previous-template \
    --tags Key=Owner,Value=IT

Output:

{
    "OperationId": "e2b60321-6cab-xmpl-bde7-530c6f47950e"
}

To update Amazon CloudFormation stacks

The following update-stack command updates the template and input parameters for the mystack stack:

aws cloudformation update-stack --stack-name mystack --template-url https://s3.amazonaws.com/sample/updated.template --parameters ParameterKey=KeyPairName,ParameterValue=SampleKeyPair ParameterKey=SubnetIDs,ParameterValue=SampleSubnetID1\\,SampleSubnetID2

The following update-stack command updates just the SubnetIDs parameter value for the mystack stack. If you don't specify a parameter value, the default value that is specified in the template is used:

aws cloudformation update-stack --stack-name mystack --template-url https://s3.amazonaws.com/sample/updated.template --parameters ParameterKey=KeyPairName,UsePreviousValue=true ParameterKey=SubnetIDs,ParameterValue=SampleSubnetID1\\,UpdatedSampleSubnetID2

The following update-stack command adds two stack notification topics to the mystack stack:

aws cloudformation update-stack --stack-name mystack --use-previous-template --notification-arns "arn:aws:sns:use-east-1:123456789012:mytopic1" "arn:aws:sns:us-east-1:123456789012:mytopic2"

For more information, see Amazon CloudFormation stack updates in the Amazon CloudFormation User Guide.

To enable termination protection

The following update-termination-protection example enables termination protection on the specified stack.

aws cloudformation update-termination-protection \
    --stack-name my-stack \
    --enable-termination-protection

Output:

{
    "StackId": "arn:aws:cloudformation:us-west-2:123456789012:stack/my-stack/d0a825a0-e4cd-xmpl-b9fb-061c69e99204"
}

To validate an Amazon CloudFormation template

The following validate-template command validates the sampletemplate.json template:

aws cloudformation validate-template --template-body file://sampletemplate.json

Output:

{
    "Description": "AWS CloudFormation Sample Template S3_Bucket: Sample template showing how to create a publicly accessible S3 bucket. **WARNING** This template creates an S3 bucket. You will be billed for the AWS resources used if you create a stack from this template.",
    "Parameters": [],
    "Capabilities": []
}

For more information, see Working with Amazon CloudFormation Templates in the Amazon CloudFormation User Guide.